Archive for July, 2016

Walther-Prazision quick change adapter BF-012

Since 1951, WALTHER-PRAZISION, Karl and Kurt Walter Company has been devoted to developing and producing the single joint all the time, used in any liquid, steam, gas much coupling and merging system, the electric or optical WALTHER-PRAZISION engineer’s solution with friendly development environment, having met the most challenging requirement, such as the car, Aero-Space, aviation, chemical industry, medicine, ocean, medical treatment, our extensive range that the communications and transportation trade is unfavorable, make us offer the monosomatous coupling of maximum in the world, many coupling joint and scheme of the merging system, there are over 400000 changes. Nearly each utility program can be realized by our standard program. As to special application, we offer individualized custom design. Our fast automated system offers technology, the safety and flexibility, and allow to use tool and assembly effectively.

WALTHER-PRAZISION staples has Walther-Prazision quick change adapters, Walther-Prazision makes up and connects, Walther-Prazision merging system Walther-Prazision coupling joint

Low pressure form coupling joint series Walther-Prazision



Type: BF-005, BF-009, BF-012, BF-025, BF-050

Size: 5,9,12,25 and 50 mm

Pressure range: 0~64 bar / 928 psi

Medium: Water, steam, the solvent, sour, alkali, oil, non- all lubricates mediums



Type: CG-G06, CG-G09, CG-G12, CG-G16, CG-G20, CG-G25

Size: 6,9,12,16,20 and 25 mm

Pressure range: 0~16 bar / 232 psi

Medium: Cool Water



Type: CK-G09

Size: 9mm

Pressure range: 0~ 16 bar / 232 psi

Medium: Cooling water



Type: CN-025, CN-040, CN-050, CN-080, CN-100 size: 25,40,50,80 and 100 mm

Pressure range: 0~ 25 bar / 360 psi

Medium: Water, compressed air, various liquid, fuel, lubricating oil / oil, gas of industry



Type: CT-003, CT-005, CT-007, CT-012, CT-019 size: 3,5,7,9,12 and 19 mm

Pressure range: 0~ 64 bar /928 psi

Medium: Water



Type: KL-006, KL-012, KL-012-Z11 (PVDF) ,KL-030

Size: 6,12 und 30 mm

Pressure range: 0~ 16 bar / 232 psi

Medium: Water, compressed air, various liquid, fuel, lubricating oil / oil, gas of industry



Type: KM-006, KM-019, KM-025, KM-032, KM-050

Size: 6,19,25,32 and 50 mm

Pressure range: 0~5bar

Medium: Many kinds of liquid



Type: 06-003,LP-003, 07-003, LP-004, LV-004, LP-006, SP-006, LP-007, SP-009, LP-012, LP-019, LP-032, LP-050

Size: 2.5,3,4,6,7,9,12,19,32 and 50 mm

Pressure range: 0~100bar (or 200bar)

Medium: Water, compressed air, various liquid, fuel, lubricating oil / oil, gas of industry


Large swan’s Trade Co., Ltd of self-service instrument of Anhui T:0550-7510299 F:0550-7510799




Contacts: Bao YuXiu
Telephone: 860550-7510299
Fax: 86
Email: kefu@shuoho.com
Web site:
Address: Room 604, Building 10 of world of the Thai long mayor of it

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Saturday, July 30th, 2016 Power & control products No Comments

SUCO pressure switch 0159-43214-1-001

Germany SUCO Company was established in 1938, it developed and set up two major pillar products – pressure to monitor (mechanical pressure switch, vacuum switch, electronic pressure switch and pressure capsule) And transmit technology (centrifugal clutch and brake, electromagnetic clutch and brake) . The company has 140 employees, the business volume over 15 million euro now. SUCO has a branch company in France now, has 35 general agents in more than 40 countries.

SUCO has covered hydraulical control and pneumatical system industry with the extensive product series. Mechanical pressure and vacuum switch of SUCO Company, and its suitable plug or tube, electronic pressure switch and pressure capsule have gained good reputation in the whole trade. The products have also contained the unexplosive pressure switch, and according to new ATEX standard formulation.

SUCO common products: SUCO pressure switch, SUCO diaphragm switch, SUCO the intersection of oil pressure and switch, the intersection of SUCO and pressure capsule, SUCO brake switch, the intersection of SUCO and the intersection of electronic formula and switch, the intersection of SUCO and clutch, the intersection of SUCO and the intersection of pressure switch and hardhat



Contacts: Bao YuXiu
Telephone: 860550-7510299
Fax: 86
Email: kefu@shuoho.com
Web site:
Address: Room 604, Building 10 of world of the Thai long mayor of it

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Saturday, July 30th, 2016 Power & control products No Comments

The water level of hydrology observes and predicts the system DATA-9201

Systematic summary

The water level of hydrology observes and predicts the system and suitable for monitoring the real-time hydrology state in natural river, artificial canal, view river,etc. long-rangely. It is flat that the water level of hydrology rises to observe and predict the system and grasp river the change and early warning flood accident in time of water source in time in Tangshan, prevent respects such as personnel and economic loss,etc. from having important meanings.


Systematic characteristic
Pass the monitoring data transmission protocol of the hydrology of national Ministry of Water Resources (SL651-2014) , hydrology remote measurement terminal machine (SL180-2015) , ” the hydrology of special area, water resource data security acquisition system RTU add extra testing ” Wait for the authority to measure.
Get ” national industrial products production licence ” .
Obtain ” hydrology monitors the supervising system in real time ” Software copyright certificate.
Sensors such as compatible various typological velocity of flow, flow instrument, water level, water temperature, water quality, rainfall, evaporating,etc..

Solution
1,The system makes up
The water level of hydrology is observed and predicted and made up of four parts such as monitoring center, communication network, forward end monitoring equipment, measuring device systematically.
Monitoring center: By the server, individual line of public network ‘ Or move the individual line) , hydrology monitors the system software to make up.
Communication network: GPRS / short message / the Big Dipper satellite, individual line of Internet public network / movement.
The monitoring equipment of forward end: Hydrology remote measurement terminal station.
Measuring device: Rain sensor, fluviograph, industry camera or other instrument transducers.


2,The centre disposes

The monitoring center apparatus is mainly made up of the server and individual line of public network, install operating system software, data library software and hydrology and monitor the system software on the server.
Hydrology monitors the system software and adopts C/S constructional design. Have administrative staff who operates authority, can inscroll this system long-rangely after installing and visiting the customer end, have guaranteed the systematic safety.

3,Communication network

The monitoring center possesses the broadband network ‘ Type: Optic fibre, mesh wire, ADSL,etc.) ,And bind fixed IP.
The forward end monitoring equipment can adopt many kinds of communication ways such as GPRS, short message or the Big Dipper satellite to the transmit data of monitoring center.

4,Monitoring equipment of forward end

Adopt ultra low power consumption to be designed, the key product chooses GPRS low power consumption and observes and controls the terminal station DATA-6311, can reduce solar energy, power cost greatly, reduce the difficulty of construction at the same time.
Support many kinds of wireless communication ways such as GPRS, short message, the Big Dipper satellite.
Support with polycentric to go on data communication.
GPRS, at the real-time online transmit data, can presume at every monitor machine format, the intersection of lower limit and person who call the police, the data prescribe a time limit and appear in the newspaper voluntarily.
Support convenient maintenance, terminal station in situ /presume by job parameter,support in situ /remote-distance updating apparatus procedure.
The shelter external box made of iron / stainless steel is available.
Can supply power for the transducer regularly.
But the output switch measures the control signal, realize the remote control of the apparatus.
Can insert the industry camera, timing, abnormal circumstance, to taking a picture live, send the photo to the control center.
System function
Supervisory function: Have hierarchical supervisory function of data, functions such as the management of monitoring point,etc..
Gather the function: Gather hydrology data such as water level of the monitoring point, rainfall,etc..
Communication function: The monitoring centers at all levels can be with authorizing the monitoring point of management to carry on the communication separately.
Alarm function: Water level, rainfall report an emergency and ask for help or increased vigilance to higher authorities voluntarily in monitoring point when the data exceed the upgrade of reporting an emergency and asking for help or increased vigilance.
Inquire about the function: Can inquire about various history records while monitoring the system software.
Storage function: The forward end monitoring equipment possesses the poke function of the large volume data; The database of monitoring center can record all historical datas.
Analyze the function: Data such as water level, rainfall,etc. can produce curve and report form, offer trend analysis.
Expanded function: Support to connect with other systems through OPC interface.

Field installation picture


The water level of hydrology observes and predicts the systematic terminal installation




The water level of hydrology observes and predicts the systematic related data:

Examining report and qualification certificate of Ministry of Water Resources are downloaded: http://www.data86.com/? cat =51




Contacts: Han JianYing
Telephone: 860315-7872528,0315-7872692, 0315-7872690
Fax: 860315-7746232
Email: 2758527290@qq.com
Web site: http://www.data86.com
Address: The national high and new technology development zone of Tangshan starts an undertaking in the centre

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Thursday, July 28th, 2016 Power & control products No Comments

But macro-screen IUD1 of bar

Damien Beijing Science Technologies Co., Ltd. can specialize in BARCO bar large screen bulb consumptive material is sold and offered the technological service company in the the disciplines of Beijing! Allocate the fittings warehouse that specialized technological engineer and variety are complete, bear, describe as to the intersection of trouble and our company that customer put forward 24 little to carry the replacement part and catch the scene and finish the repair inside according to the intersection of customer and phenomenon such.
The company is with the only brand ” Bar can ” Carry on the maintenance of large screen, does not participate in other brands. Reflect the intersection of our company and the intersection of speciality and only, professional lines, our company can carry on Palestine only at the market at present but IU, the intersection of PU and professional the intersection of service and Company of maintenance fully.
Main business lines: Large screen consumptive material ( Bulb filter screen) Sell; And send installation to debug and serve
The trouble of the large screen is repaired and served fast ‘ Resume in 24 hours)
Periodical polling and Maintenance of large screen
Large screen projector cell IU/PU maintenance
Large screen control device main fact ( Control chassises, expand the chassis, worker to accuse of chassises) Maintenance
Suitable for: Bar can (BARCO) Overview CDR67-DL display element
Bar can (BARCO) Overview CDR 67 – DL display element
Bar can (BARCO) Overview CDR 80 – DL display element
Bar can (BARCO) Overview MDG50, display element
Bar can (BARCO) Overview CDG67 display element
Bar can (BARCO) Overview MDR 50, display element
Bar can (BARCO) Overview CDR 80 display element
Type: R9842808/R9842807, power: 120W-132W-180W, life-span: 8000-10000 hours, the place of production: Belgium
Suitable for: Bar can (BARCO) OV-6715 display element
Bar can (BARCO) OV-708 display element, bar can (BARCO) OV-815 display element, bar can (BARCO) OV-715 display element bar can (BARCO) OV-808 display element bar can (BARCO) OV-1015 display element, bar can (BARCO) OV-808 display element Bar can (BARCO) OV-8413 display element, bar can (BARCO) OV-508 display element


Contacts: One
Telephone: 86010-51265155
Fax: 86
Email: zjp@jjzd.com.cn
Web site:
Address: No. 958 Zhongguancun

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Thursday, July 28th, 2016 Power & control products No Comments

But D1 macro-screen PUD1 of bar

But large screen bulb of bar: But R9842807 bulb of bar, but R9842020 bulb of bar, but R9842808 bulb of bar, but R9842760 bulb of bar, but R764425 bulb of bar, but R9842807 bulb of bar, but OV-715 bulb of bar, but OV-815 bulb of bar, bar but OV-708 bulb, bar but OV-808 bulb, bar but OV-508 bulb, bar but OV-6715 bulb, bar but OV-515 bulb, bar but OV-1015 bulb But R764741 bulb of bar
But large screen IU of bar: R764582 Overview D IU 120W The place of production: Belgium
But large screen IU of bar: The place of production of R764740 Overview D2 IU 120W/132W: Belgium
But large screen IU of bar: The place of production of R764739 Overview D2 IU 180W: Belgium
But large screen PU of bar: R7646525 Overview DR PU The place of production: Belgium
But large screen PU of bar: The place of production of R7647385 Overview D2 PU SXGA 2DVI: The intersection of Billy and bar can
But the place of production of large screen PU R7647365 Overview D2 PU XGA 2DVI of bar: The intersection of Billy and bar can
Large screen filter screen: R 9842800 The place of production: Belgium
BARCO large screen control device (control chassises, expand the chassis, worker to accuse of chassises) The TransFormAX4/AX8/AX12/AX16 series plate card is sold:
Display card, card, power flow to zoom card, RGB and input the card, video input card, double-channel DVI card, video screen


Contacts: One
Telephone: 86010-51265155
Fax: 86
Email: zjp@jjzd.com.cn
Web site:
Address: No. 958 Zhongguancun

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Thursday, July 28th, 2016 Power & control products No Comments

Bar can chat on video and switch over the video of the Console and switch over the Console

Bar but the bulb, bar but bulb control room of large screen, large screen bulb R7647385, R7646525 bar but high score PUR764582, R764740 bar but 120W, 132WIUR7647385 R7647365 bar but OV-D2 PU
But IU bar but PU BARCO PU bar but large screen bulb bar but DLP large screen bulb R9842807/R9842020 of BARCO IU bar
BARCO bar can RGB input the card DVI and input the power color circle of the card
BARCO bar can display card zoom the card power supply control chassis
BARCO bulb, bar but bulb, bar but IU, bar but PU, bar but gauze filter, bar can large screen control the machine BARCO PU BARCO IU
But large screen PU of BARCO bar: R7646525, R7647385, R7647365, R7642005R765287, R765285
But large screen IU of BARCO bar: R764582, R764740, R764739 R764463
But large screen PU of bar: Overview D2 PU SXGA+ 2DVI /Overview D2 PU XGA 2DVI Overview DR+PU Overview DG PU
PU Greyhawk 1* XGA PU GreyHawk 1* SXGA+
PU Greyhawk XGA-loopthrough PU GreyHawk 1.5* XGAPU Greyhawk 2 SXGA/SXGA+
But large screen IU of PU Greyhawk 2 XGA bar: Overview D IU 120W Overview D IU 200W Overview D2 IU 120W/132W Overview D2 IU 180W
IU Greyhawk 120W PowerPack IU Greyhawk 2 120/132W
IU Greyhawk 2 180W
IU Greyhawk 200W PowerPack


Contacts: One
Telephone: 86010-51265155
Fax: 86
Email: zjp@jjzd.com.cn
Web site:
Address: No. 958 Zhongguancun

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Thursday, July 28th, 2016 Power & control products No Comments

But interface converter interface converter of bar

Our company can accept Palestine (BARCO) Large screen IU / PU, large screen control device (major control chassis, last chassis, worker to accuse of chassis of) Maintain, old for new service business! Can offer the technical support, protecting of the large screen every year, accurate maintaining, fixed polling to customer, meet an urgent need another the trouble is repaired fast, the important activity stay in the field and support on festivals or holidays!

Bar, BARCO of Beijing, can large screen maintain accurate to maintain dusting, maintain, protect, serve Palestine every year but the intersection of R9842807 R9842020 and the intersection of bulb and bar but the intersection of large screen and bulb / IU/PU / gauze filter / plane Case / the intersection of color circle and the whole new bus can the intersection of large screen and bulb taste the intersection of UHP120/132W BARCO R9842020 and the intersection of R9842807 R9842808 and the intersection of bulb and R7647385, the intersection of the intersection of R7646525 and bar and the intersection of high score and PUR764582, R764740 bar but 120W, 132WIU BARCO bar but bar, IU BARCO of large screen, but bar, PU BARCO of large screen, but large screen bar, BARCO of bulb, but control device bar, BARCO of power, can control device zoom Carlos But one bar of large screens screen BARCO bar but projector cell bar but Overview CDR +50 – DL bulb / bar but Overview CDR +67 – DL of large screen display card BARCO of BARCO bar But Overview CDR +80 – DL bulb bar but Overview CDR +100 – DL bulb of bulb bar



Contacts: One
Telephone: 86010-51265155
Fax: 86
Email: zjp@jjzd.com.cn
Web site:
Address: No. 958 Zhongguancun

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Thursday, July 28th, 2016 Power & control products No Comments

Intellectual fire hydrant, intellectual fire hydrant control DATA-6242

Intellectual fire hydrant, intellectual fire hydrant are controlled


[Research and develop the background ]

Municipal fire hydrant quantity numerous installing scattering, fire hydrant destroy and fire protection water usurp and fire control pipeline underpressure scheduling problem emerge in an endless stream, lead to the fact when the fire takes place, the fire hydrant can’t play a due role, will cause the great losses of life and property when being serious.

The running water Company of Tangshan, in line with the spirit responsible for the public, convoyed as the public safety, available when in order to find the trouble of the fire hydrant in time, handle and steal water incident rapidly, guarantee the calamity of the fire hydrant, discuss with numerous our company and trust our company research and develop intellectual fire hydrant finally ‘ The intellectual fire hydrant is controlled) .

This product only wouldn’t carry on marketing and sale in department’s commissioning of Tangshan water at present.

[The products are summed up ]

The intellectual fire hydrant does not need to change the original hydrant structure to gauge effluent state of the fire hydrant, and give the warning message of effluent to the centralized control centre through GPRS remote transmitting and realize the centralized supervision of the fire hydrant; Can monitor the pipeline pressure depending upon need at the same time.

Intellectual fire hydrant ‘ Theft-proof water alarm device of fire hydrant) It is flat to promote Development Co., Ltd. of electron technology to research and develop independently by Tangshan, has already applied for the national patent.

Fire hydrant have 2-3 delivery port generally, delivery port diameter 65mm and the intersection of 100mm and two kinds. Among them 65mm delivery port is used for connecting fire control to take, 100mm delivery port specially used for for water make up of fire control vehicle. Under the regular situation, all delivery ports bear bored Gael, prevent leaking from, where delivery port is used turns on the correspondent stuffy lid.

The intellectual fire hydrant installs the requirements as 100mm, is used for replacing the original 100mm delivery port stuffy lid.


[The products are employed ]




1,When someone in 100mm delivery port water using, are twisting the theft-proof water alarm device of fire hydrant, shift takes place and turn on, touch off the theft-proof water alarm device of fire hydrant and pass the warning message to the centralized control centre far through GPRS in the slope switch in the device, realize that calls the police in time.

2,In 65mm delivery port water using as someone, the inner water pressure of the fire hydrant touches off the theft-proof water alarm device inner inching switch on of the fire hydrant after effluent, touch off this device and pass the warning message to the centralized control centre far too.

3,The intellectual fire hydrant allocates the communication function of bluetooth, realize that carries on it wirelessly and maintains through the mobile phone APP.

The expansion of the intellectual fire hydrant is employed:

The intellectual fire hydrant still allocates 433MHz wireless communication function, is used for expanding and monitoring the pipeline pressure of fire control.

Installation 433MHz low power loss observes and controls terminally and gathers the pipeline pressure in the instrument well of fire hydrant, , at the intersection of fire hydrant and theft-proof the intersection of ink and alarm device, retiming transmit to the intersection of centralized control and in the center through GPRS the intersection of pressure and data transmission.


[Technical parameter of the intellectual fire hydrant ]

Communication mode: GPRS, 433MHz, bluetooth

Install the requirements: ¦Õ 100mm

Power supply mode: Battery-driven (lithium cell of 2 sections of high-energy, battery capacity: 14AH) .

Battery life-span: 2-5.

Waterproof grade: IP68.

Operating temperature: -40 ~ +85 ¡æ.

Outer cover material: Nylon of high strength.


Intellectual fire hydrant ‘ The intellectual fire hydrant is controlled) The relevant video is seen: http://www.data86.com/? p =5195



Contacts: Han JianYing
Telephone: 860315-7872528,0315-7872692, 0315-7872690
Fax: 860315-7746232
Email: 2758527290@qq.com
Web site: http://www.data86.com
Address: The national high and new technology development zone of Tangshan starts an undertaking in the centre

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Thursday, July 28th, 2016 Power & control products No Comments

Lithium battery charger LYD3601500

Pay attention to the battery charger


The characteristic of the products:
1.The input 100-240V of wide-voltage, great: 90-264V is available for countries all over the world.
2.Short out, over load, overcurrent protection function, use the security.
3.100% of the full load test, the characteristic is steady.
4.Good insulating property, electric-resisting is tall in intensity.
5.It is good to resist the jamming intensity, the unfailing performance is high.
6.The direct-flow ripple of the characteristic of the switching power supply is little, operating efficiency is high, energy-conserving environmental protection.
7.Product set up the rule, authorize, require through world.

Detailed parameter:

Rated input: 100-240VAC 50/60Hz Max: 90-264VAC 47/63Hz
Nominal output: 36VDC¡À 5%
Rated current: 1A
Power rating: 36W
The document involves the noise:
Short circuit protection: The separating by type is disconnected, resume fast.
Overcurrent protection: 130%-150%
Overvoltage protection: 115% – -135%
Operating temperature: -10-50 ¡æ(¡À is 10 ¡æ)
Working humidity: 20%-90%RH
Storage temperature: -40-80 ¡æ(¡À is 10 ¡æ)
Dielectric Strength test: Input it to exporting: 3KV AC inputs to earthing: 3KV AC
Insulating to resist and hinder: 100M ohms
Appearance size: mm
Interface unit: DC interface 2.1*5.5*11 (can be made to order on request)
DC wire rod: 1.2M (can be made to order on request)
Supply the specification: China’s rule, American gauge, Great Britain’s rule, Europe gauge, Korea S.’s rule, Australia’s rule, the sundial,etc. (customize according to customer’s demand)



Contacts: Yuan LuMing
Telephone: 860755-27825520
Fax: 86
Email: 3359809347@qq.com
Web site: http://www.lyd6688.com
Address: It becomes of the east of six storeys of the 3-6th floor of the building that it is luxuriant that the west of residential district of west township becomes the industrial area

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Wednesday, July 27th, 2016 Power & control products No Comments

Craft logic design and application DATA-9201 of pump station of the unattended operation

Craft logic design and application of pump station of the unattended operation

( The work logic design and applications for unattended water-pumping stations)

Yao YanBin, Pang ChuanLong, Lu ChengWei, Zhang XiaoHua

(the information-based engineering research center of the affair of city water in Tangshan, Hebei Tangshan 063020)

Summary: Combining the embodiment explains mentality of designing and implement method of the pump station of the unattended operation, have summarized the multi-ported well of water source and mended the logic design of the aqueous automatic control in order to hold the water pitcher especially, have provided new thinking for automatic transformation of water pump station for this kind of.

Abstract: the paper mainly introduces the design and realization for unattended water-pumping stations, summarizes the auto-control logic of several water-pumps supply water for one water storage tank. It provides a new thought for this kind of pump stations’ automation.

Keyword: Well of water source, pump station, transforming, unattended operation, automatic control logic of the pump station of feeding water

1,Project background

There are more than 100 of persons, panel buildings of resident population 80,000 in the biotope of the mining area of the Wan ‘s of Langfang of oil field of North China, the inner domestic water is provided for water pump station from 4 distributed in the east, the south, the west, the north of Residential Area separately in the Residential Area. 4 pump stations adopt the operating mode of manpower on duty, 32 workers take turns watch in 24 hours, the handling cost is extremely high.

In order to reduce the operating expenses of pump station, the administrative department demands to transform all pump stations into the unattended operation pump station of the unattended operation, hope to only dispose the apparatus attenbant of drib and ensure the normal operation of the pump station.

2,Mentality of designing and transformation are required

Problem it is in that should data transmission first solve,namely all data concentration of pump station to in accuse of by room computer, so that control long-rangely. Consider the floor space in the Residential Area is larger, if adopt optical fiber transmission, the routing, difficulty of construction are big and time is long, costly. Seeing that the mobile phone signal is better in the biotope, adopt GPRS to transmit and respond to the request that the data are transmitted in real time, and transform the fast, low cost and confirm the transmission mode to adopt GPRS finally.

Secondly should solve to feed water the unattended operation of pump station is transformed, need control sequence, logic and various troubles which solve a large amount of site plant to automatically process the mechanism. These problems are very apt to solve when there are personnel on dutying, after personnel all withdraw, how to guarantee the normal operation of the pump station is more difficult.

The on-the-spot overview of feeding water at the pump station: The pump is quarried from the groundwater in the water source inside the station, each pump station has 1-3 wells of water source that offer the water source. Most wells of water source are distributed inside the station, the specific well of water source is relatively far from the pump station. Feed water pump installation hold 1-5 of water pitcher on the ground inside the station, the intersection of capacity and one (large to hold water pitcher volume 700m3, holding water pitchering little volume 300 m3) ,Hold the water pitcher bottom to connect through the pipeline, the water level change is unanimous in the pot. Install 3 pressurization pump separately inside the station, hold the intersection of water pitcher and inner the intersection of water and the intersection of frequency conversion and constant voltage, transport, feed water pipe network to Residential Area. The synoptic diagram of the craft is as follows:









Transform the thinking: Inflating the control room of pumping set and installing the main monitor terminal, is used for gathering the liquid level of the pond, flowrate of pipe network, pressure of pipe network and automaticallying control and inflating the operation of the pumping set. In inside the station, stand exterior the intersection of water source and the intersection of well and install the sub monitor terminal separately, each sub monitor terminal controls a well of water source. The sub monitor terminal adopts the serial port cable to connect with main monitor terminal inside the station, the sub monitor terminal links with main monitor terminal through GPRS network to stand outside. The control logic of pump station is come to deal with by the main monitor terminal.

Adopt the intersection of logic control unit and DATA-7301, abundant expanding convenient by I/O control unit interface this in the main monitor terminal. The intersection of RS485 and serial port of logic control unit have 3, connect a DATA-6106GPRS module all the way, and set up as the A type, can and the other sub monitor terminal of well of water source stands with the control center at the same time to communicate; Two way connect the intersection of water source and the intersection of well and sub monitor terminal inside the station; The third No. is reserved. Meanwhile, the logic control unit expands the module (DATA-7302) through CAN bus connection 3 I/Os ,Control the pressurization pump of 3 frequency conversion separately.

The pump station controls the chassis picture:

On-the-spot control request: The multi-ported well of water source gives and holds the water pitcher to supply water, hold water in the water pitcher and inflate confessing to the outside from inflating the pumping set. All water source well according to hold trend of water pitcher water level change ( Because of pressurization pump effluent abnormality) Can automatically controlled sinking pump open, park, and self-regulate the water pump and start the number, equipoise each well of water source water using, guarantee water table to be steady lengthening life time of the sinking pump, keep the water level of the water tank within the range of a reference value all the time, and support the water level to overrun to call the police, close down all pressurization pumps automatically when the pond is overlow.

3,Overall constructional design of control logic



The automatic water supply system of well of water source is divided into 2 parts, respectively in order to hold end and water source well end of water pitcher. Hold the end of water pitcher and mainly gather the water level of the water pitcher, and presume that expects water place value, expects the change value of water level , 4 pieces of limit of water level alarm, calculate the demand flowrate according to state and water level change value of the present water level, close down and inflate the pumping set automatically when the water level is overlow. Water source the intersection of well and end gather the intersection of water source and the intersection of well and water level, the intersection of water source and the intersection of well and flowrate, the intersection of pump and state, the intersection of accumulative total and run time of the pump mainly, and select the pump according to state and run time of the water pump, the demand flowrate and then outputted according to the end of pond accuses of the pump.

3.1 calculates the demand flowrate Q

The system calculates regularly, gets the instant needed to add or subtract in pond and flows into the value of a quantity Q, thus get quantity and opportunity of the accurate controlled switch pump. So calculate accurately and promptly Q-factor is a core of logic control of the pond.

Q follows the control strategy of a set of water level to obtain by calculating according to information of water level, time information and various settlement parameters.








The instant needed to add or subtract in pond flows into the value of a quantity The operation course of Q is as follows:

(1) Calculate the present water place value L

Water place value needs to carry on Shelving at present, presume the water level strains the wave spacing T1.

Gather cycle t and gather a piece of water place value Li, the averaging of place value of all water to gathering within T1 time each one.

If acquisition time has not sums place value of water that is gathered, and calculate and gather the number of times n to T1, calculate the mean value of water place value according to gathering the number of times;

If acquisition time is greater than T1, to averaging of T1 all inner water place value all the time. Namely each collection, until the new water place value, water sum of place value deduct, have primary the intersection of water level and mean value, combine with the new water place value; It is constant to gather the number of times n, later calculated the mean value of water place value.

(2) Calculate the change value of present water level L

Carry on the backup Lbak after calculating water place value at present = L, fetch one present the intersection of water and place value through the intersection of T2 and time while being every later, calculate present the intersection of water level and change value L.

L = L – Lbak

L > 0 shows the water level is in the ascendant trend;

L < 0 shows the water level is in the downswing.

(3) Calculate the demand flowrate

Q = L*S/ T2*3600;

Result tried to get of a step on L:.

S: pond floor space.

T2: Fetch the spacing interval of the water level.

Convert the result of calculation *3600 to the demand flowrate for each hour finally.

3.2 ponds of water level control strategy

The system carries on switch pump movements according to the state of the pond, realizes the control on water level of the pond.

(1) The water level drops

Namely bit line of water happens after touching and expecting the lower limit of the water level, the system enters the state of a control, so as to ensure the water level of the pond rises continuously. Until the water level is touched and expected the water level, decontrol.

At stage of this control, carry on logical calculus regularly, control and turn on the pump to operate, make the water level held? ? ? Rise. In this course, only carry out and turn on pump movements, does not carry out and turn off pump movements.

(2) The water level rises

Namely bit line of water happens after touching and expecting the upgrade of water level, the system enters the state of a control, so as to ensure the water level of the pond drops continuously. Until the water level is touched and expected the water level, finished controlling at this moment.

At stage of this control, carry on logical calculus regularly, control and turn off the pump, make the water level drop continuously. In this course, only carry out and turn off pump movements, does not carry out and turn on pump movements.

The control goal of this course: Keep the water level being in the lasting downswing.

3.3 overshoot

Overshoot refers to needing the pump of the switch to adjust and control water level, except should offset Outside Q, should increase the water level to adjust and control

The speed but the extra flowrate or switch pump that increases is counted:

Q1 = Q + corresponds to the overshoot of the water level

Adopt the table look-up method to realize, the table below is a table example.

Code number


High water level ( Rice)


Low water level ( Rice)


Overshoot ( Ton / hour)


1


100


3


0


2


3


2


0


3


2


1.3


50


4


1.3


1


100


5


1


0.5


150


6


0.5


-100


200


4,Transform the result

Four pieces of water supply are transformed through the above-mentioned logic at pump station, have already totally accorded with the demands for pump station of the unattended operation, namely no matter in the peak period of water supply or low peak period, the water level of the water pitcher can be guaranteed in the intended scope. The main, sub monitor terminal, according to starting number and run time of the well of water source of intellectual control of water level of water pitcher, prevent water source from well the intersection of pump and damage and pressurization pump caused to start dally emergence of the phenomenon frequently, improve the efficiency of running of the water pump, save the electric energy, has realized perfectly the automation of the water equipment runs and feeds water the unattended operation of the pump station is managed.

4 fed water the pump station has been transformed for nearly 2 years so far, a whole set of system operates well, the economic benefits are prominent. Two troubles have taken place altogether in 2 years, it is the trouble of the electrical relay, the control center has obtained warning message in time, the trouble can be solved rapidly. The pump station is after it is transformed that with no guard, remove the attenbant 29 people, increase 2 attenbants live, have reduced the operation cost of pump station and raised the speed of response of the trouble greatly.

Since 2014, automatic control logic had been successively used in many transfermation projects of pump station of Shanxi, Gansu, Inner Mongol and other places at this pump station, it is steady reliable for system to turn round, result go beyond anticipated greatly, well received by user.

Note: This text publish until ” whether China feed water drain off water ” magazine publish number 11 of Vol. 32 on June 1, 2016 already ‘ Always the 415th One) ,Such as needing to reprint, please mark and reprint information such as the names of source, author’s unit, author, otherwise deemed to infringe.



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Wednesday, July 27th, 2016 Power & control products No Comments