CN106608695A - Deionized water processing loop used for water cooling system - Google Patents

Deionized water processing loop used for water cooling system Download PDF

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Publication number
CN106608695A
CN106608695A CN201710040825.XA CN201710040825A CN106608695A CN 106608695 A CN106608695 A CN 106608695A CN 201710040825 A CN201710040825 A CN 201710040825A CN 106608695 A CN106608695 A CN 106608695A
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China
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signal
flow
cooling system
pipe
water
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CN201710040825.XA
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CN106608695B (en
Inventor
周庆鹏
薛飞
高坡
付冲
管有志
潘国琴
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Shengyihao Technology Jiangsu Co ltd
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HANGZHOU SHENGYIGAO TECHNOLOGY Co Ltd
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Priority to CN201710040825.XA priority Critical patent/CN106608695B/en
Publication of CN106608695A publication Critical patent/CN106608695A/en
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/42Treatment of water, waste water, or sewage by ion-exchange
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)

Abstract

The invention discloses a deionized water processing loop used for a water cooling system. The loop comprises an ion exchange and an ultra-filter. The ultra-filter includes a housing, a cover body, a penetration pipe, a filter screen located at the surface of the penetration pipe, a filtration gap is formed between the housing and the filter screen, and a water inlet pipe and a drain pipe communicating with the filtration gap are arranged on the cover body and the housing, respectively, wherein the water inlet pipe is in series connection with the ion exchange, the side wall of the penetration pipe is provided with penetration holes, the cover body is equipped with a water outlet pipe communicating with the penetration pipe, and the drain pipe is equipped with a first solenoid valve coupling with a switching system. The switching system includes a flow velocity detection unit used to detect the flow velocity at the water outlet pipe and outputs a flow velocity sensing signal; and a processing unit coupled to a signal output terminal of the flow velocity detection unit and allows the first solenoid valve to be conducted when the flow velocity sensing signal is lower than a threshold signal. The loop can lessen workload of maintenance personnel, improves the efficiency and timeliness of cleaning of an ultra-filter, and makes automatic cleaning accurate.

Description

A kind of deionized water treatment loop for water-cooling system
Technical field
The present invention relates to Water Cooling Technology field, more specifically, it relates at a kind of deionized water for water-cooling system Reason loop.
Background technology
In the industrial production, it is often necessary to the big equipment of caloric value install water-cooling system additional for its cooling, prevent equipment because Temperature is too high and damages.Water-cooling system primary clustering includes circulating pump, surge tank, ion exchanger, major cycle pipeline, control system System, the circulating pump, filter constitute closed circuit with the thermal-collecting tube being installed at cooled equipment.To adapt to high-power electric Use requirement of the electronic equipment under high voltage condition, prevents leakage current is produced under high voltage environment, and cooling medium must have Standby high resistivity.Therefore the deionized water treatment loop in parallel on major cycle pipeline.Default constant flow it is a part of cold But the constant ion exchanger flowed through in deionized water treatment loop of medium, constantly purifies the possible ion for separating out in pipeline, so Afterwards by surge tank, collaborate before circulating pump with major cycle pipeline cooling medium.As the cooling in general major cycle pipeline is situated between Matter is recirculated water, often there is certain impurity in recirculated water, and ion exchanger can also produce broken resin particle in addition, when miscellaneous Matter is entered into.
A kind of circulating water equipment, its air water point are disclosed in the Chinese patent of Publication No. CN205082123U Main frame water inlet pipe is provided with from the water inlet of device, outlet is connected with main circulation pump;The water inlet of electric T-shaped valve and major cycle Pump is connected;The water inlet of heating and filtering component is connected with one of outlet of electric T-shaped valve;Heating and filtering component goes out The mouth of a river is provided with main frame outlet pipe;The water inlet of plate type heat exchanger is connected with another outlet of electric T-shaped valve, board-like to change The outlet of hot device is connected with the water inlet of heating and filtering component, and the outer water intake-outlet of plate type heat exchanger is connected with cooling tower; The water inlet of the ion tank is connected with the outlet of heating and filtering component, and outlet is connected with accurate filter;Secondary filter The outlet of device is connected with expansion drum;Expansion drum is connected with moisture trap;Small pump is connected with moisture trap.In accurate mistake Filter need to periodically open using in whether confirmation filter screen blocks and cleared up, and waste time and energy for attendant, work Efficiency is low.
The content of the invention
In view of the shortcomings of the prior art, it is an object of the invention to provide a kind of deionized water for water-cooling system Treatment loop, the impurity that can be cleared up on the filter screen of accurate filter automatically.
For achieving the above object, the invention provides following technical scheme:
A kind of deionized water treatment loop for water-cooling system, including ion exchanger and accurate filter, the accurate mistake Filter includes the osmos tube that housing, the lid being arranged on housing, upper end be arranged on the lid, is arranged on the osmos tube The filter screen on surface, is provided with time of filtration, the company of being respectively equipped with the lid and the housing between the housing and the filter screen Lead to the water inlet pipe and blow-off pipe of the time of filtration, the water inlet pipe is in series with the ion exchanger, the osmos tube Side wall be provided with permeability hole and bottom end closure, the outlet pipe of the osmos tube, the blow-off pipe are communicated with the lid The first electromagnetic valve for coupling switched system is installed, the switched system includes:Flow rate detection unit, for detect it is described go out Flow velocity at water pipe, and export flow-velocity sensing signal;Processing unit, is coupled to the signal output part of the flow rate detection unit, First electromagnetic valve is turned on when the flow-velocity sensing signal is less than threshold signal.
The break-make of blow-off pipe, water when the outer impurity of filter screen is less by adopting above-mentioned technical proposal, the first solenoid valve control The flow velocity of stream is normal, and the cooling medium come from ion exchanger stream enters into time of filtration, cooling medium Jing filters again along water inlet pipe Enter in osmos tube from permeability hole after net filtration and Jing outlet pipes flow out, reached the purpose of impurity screening;It is miscellaneous outside filter screen When matter is more, impurity plugs filter screen, and when flow-velocity sensing signal is less than threshold signal, processing unit turns on the first electromagnetic valve, makes The cooling medium come from ion exchanger stream is entered into along water inlet pipe and wash away in time of filtration screen surface and by outside filter screen Impurity flows away from blow-off pipe, so as to reach the purpose of the impurity on the filter screen of automatic cleaning accurate filter.
Further, the ion exchanger is in series with the first one way stop peturn valve.
By adopting above-mentioned technical proposal, can prevent liquid after water-cooling system power-off Jing after accurate filter is filtered and Just through the cooling medium backflow of ion exchanger deionization process.
Further, logical first header box, institute are in series between first one way stop peturn valve and the ion exchanger State the first header box and be connected with liquid supply device, the liquid supply device includes the small pump being sequentially connected in series, the second one way stop peturn valve, enters Mouth valve, the imported valve are connected to first header box.
By adopting above-mentioned technical proposal, can be with by the liquid supply device of the liquid supply device that is connected with ion exchanger connection Keep water-cooling system pipeline in cooling medium full of and isolation air, make the hydraulic pressure in deionized water treatment loop more steady It is fixed, so that the data of flow rate detection unit collection are more accurate, make the judgement of switched system more accurate.
Further, the flow rate detection unit includes the water flow sensing unit being arranged in the outlet pipe, the threshold value Signal is threshold voltage signal, and when the flow-velocity sensing signal is less than threshold voltage signal, the processing unit conducting is described First electromagnetic valve;When the flow-velocity sensing signal is higher than threshold voltage signal, the processing unit closes first electromagnetism Valve.
Further, the processing unit includes:Comparison circuit, is coupled to the signal output of the flow rate detection unit End, the flow-velocity sensing signal for receiving is compared with the threshold voltage signal and exports a control OFF signal;On-off circuit, The signal output part of the comparison circuit is coupled to, to the break-make that first electromagnetic valve is controlled according to the control OFF signal.
Further, the comparison circuit includes:One threshold voltage generative circuit, with first resistor R1, its one end One first unidirectional current Vout_1 is coupled to, the other end is grounded after being connected with second resistance R2, electric from first resistor R1 and second The threshold voltage signal is produced between resistance R2;One comparator A, with an in-phase input end, an inverting input and an output End, its inverting input are coupled to the outfan of the flow rate detection unit, and in-phase input end is coupled to first resistor R1 and the The junction point of two resistance R2, outfan export the control OFF signal.
Further, the on-off circuit includes:One NPN triode Q1, its grounded emitter, base stage are electric by one the 3rd Resistance R3 be coupled to the comparator A outfans and by one the 4th resistance R4 and emitter stage altogether, its colelctor electrode and the first electromagnetism The second unidirectional current Vout_2 is coupled to after the coil KM1 series connection of valve.
By adopting above-mentioned technical proposal, when the flow-velocity sensing signal is less than threshold voltage signal, comparator A's is defeated Go out end output high level, Jing after NPN triode Q1 is amplified, turn on the first electromagnetic valve, make from ion exchanger stream the cooling for coming be situated between Matter is entered into along water inlet pipe washes away screen surface and the impurity outside filter screen flows away from blow-off pipe in time of filtration, so as to reach The purpose of the impurity on the filter screen of automatic cleaning accurate filter;When flow-velocity sensing signal is higher than threshold voltage signal, i.e., After screen surface recovers unimpeded, the processing unit closes first electromagnetic valve, reduces the waste of cooling medium.
Further, first resistor R1 is rheostat.
By adopting above-mentioned technical proposal, due to by change first resistor R1 resistance can change first resistor R1 with The threshold voltage signal size produced at the junction point of second resistance R2, and the first electromagnetic valve is less than threshold value when flow-velocity sensing signal Open during voltage signal, and close when flow-velocity sensing signal is higher than threshold voltage signal, i.e., attendant can be by adjusting The resistance of first resistor R1 come change the first electromagnetic valve keying trigger condition, when increase first resistor R1 resistance when, threshold value electricity Pressure signal reduces, i.e., impurity is just opened the first electromagnetic valve and is rinsed cleaning when screen surface accumulates more, and when reduction During first resistor R1 resistance, threshold voltage signal increase, i.e. impurity turn on the first electromagnetism when screen surface accumulates less Valve is rinsed cleaning, and the former more economizes on water, and the latter's filter efficiency is higher and filter screen service life is longer, and attendant can be voluntarily Adjust.
Compared with prior art, it is an advantage of the invention that:
(1)Blow-off pipe is set in accurate filter, precision is cleared up automatically by the keying of switched system the first electromagnetic valve of control Impurity on the filter screen of filter, greatly reduces the amount of labour of attendant, improves the efficiency and promptness of cleaning;
(2)Ion exchanger is in series with the first one way stop peturn valve, it is to avoid the backflow phenomenon after power-off occurs, and reduces repeated work, Improve efficiency;
(3)Liquid supply device is provided with deionized water treatment loop, makes the hydraulic pressure in deionized water treatment loop more stable, from And make the data of flow rate detection unit collection more accurate, make the judgement of switched system more accurate;
(4)First resistor R1 be rheostat, attendant can pass through adjust first resistor R1 resistance voluntarily change first The trigger condition of electromagnetic valve, voluntarily adjusts the cleaning frequency of filter screen.
Description of the drawings
Structural representations of the Fig. 1 for the present embodiment;
Internal structure schematic diagrams of the Fig. 2 for the accurate filter of the present embodiment;
Fig. 3 is the circuit diagram of the present embodiment, shows the circuit diagram of flow rate detection unit and processing unit;
Circuit diagrams of the Fig. 4 for the power subsystem of the present embodiment.
Reference:1st, the first one way stop peturn valve;2nd, flow control valve;3rd, the first header box;4th, ion exchanger;5th, Two header boxs;6th, accurate filter;7th, suspended body flowmeter;8th, surge tank;9th, liquid supply device;10th, Y rows filter;11st, moisturizing Pump;12nd, the second one way stop peturn valve;13rd, imported valve;14th, housing;15th, lid;16th, osmos tube;17th, filter screen;18th, between filtering Gap;19th, water inlet pipe;20th, blow-off pipe;21st, permeability hole;22nd, outlet pipe;23rd, the first electromagnetic valve;24th, switched system;25th, flow velocity Detector unit;26th, processing unit;27th, power subsystem;28th, comparison circuit;29th, on-off circuit;30th, threshold voltage generative circuit.
Specific embodiment
With reference to the accompanying drawings and examples, describe the present invention.
As depicted in figs. 1 and 2, a kind of deionized water treatment loop for water-cooling system, including the first one way stop peturn valve 1st, flow control valve 2,3, two ion exchangers 4 of the first header box, the second header box 5, accurate filter 6, suspended body flowmeter 7 With surge tank 8.First one way stop peturn valve 1 is diverted to two ion exchanges by the first header box 3 after connecting with flow control valve 2 Device 4.Two ion exchangers 4 are connected to accurate filter 6 after confluxing by the second header box 5 again.Accurate filter 6 again with it is floating Subflow gauge 7 is linked in surge tank 8 after connecting again.First header box 3 is also associated with liquid supply device 9.Liquid supply device 9 include according to The Y rows filter 10, small pump 11 of secondary series connection, the second one way stop peturn valve 12, imported valve 13, imported valve 13 are connected to first Header box 3.
The deionized water treatment loop for water-cooling system of the present embodiment is parallel to the major cycle pipeline of water-cooling system(Not Illustrate)On.Ensure that the cooling medium being externally entering, can through deionized water treatment loop by the first one way stop peturn valve 1 With prevent after water cooling system power-off Jing accurate filter 6 filtration after cooling medium and just through 4 deionization of ion exchanger at The cooling medium of reason is back in major cycle pipeline, reduces repeated work, is improved efficiency, is also prevented from ion exchanger 4 Shredded resin grain be back in the main circulation loop of water-cooling system.Deionized water treatment loop is adjusted by flow control valve 2 Flow;Two are diverted to after conflux by the cooling medium flowed into from flow control valve 2 and imported valve 13 Individual ion exchanger 4 is carried out while deionization process, is converged by the second header box 5 again from the liquid outlet of two ion exchangers 4 It is connected to after stream in accurate filter 6;Fall to intercept the resin particle that may be crushed in cooling medium etc. by accurate filter 6 miscellaneous Matter, cooling medium is by the suspended body flowmeter 7 that is connected between accurate filter 6 and surge tank 8 to ionized water treatment loop Flow is recorded and is shown;Cooling medium is returned in major cycle pipeline by surge tank 8 again.By connecting with ion exchanger 4 The liquid supply device 9 of the connection of liquid supply device 9 for connecing can keep cooling medium in water-cooling system pipeline full of and isolation air, make Hydraulic pressure in deionized water treatment loop is more stable, so that the data of the collection of flow rate detection unit 25 are more accurate, makes to cut The judgement for changing system 24 is more accurate.
As depicted in figs. 1 and 2, accurate filter 6 includes housing 14, the lid 15, upper end being threaded on housing 14 Be threaded in osmos tube 16 on lid 15, installed in the filter screen 17 on 16 surface of osmos tube.Housing 14 with diameter greater than filter screen 17, a time of filtration 18 is produced between, is respectively fixedly connected with what is be connected with time of filtration 18 on lid 15 and housing 14 Water inlet pipe 19 and blow-off pipe 20, water inlet pipe 19 are in series with ion exchanger 4, and the side wall of osmos tube 16 is provided with permeability hole 21 and bottom End seal is closed, and the outlet pipe 22 of osmos tube 16 is communicated with lid 15, as shown in Figures 2 and 3, is provided with coupling on blow-off pipe 20 Then the first electromagnetic valve 23 of switched system 24.
As shown in Figure 3 and Figure 4, switched system 24 includes:Flow rate detection unit 25, for detecting the stream at outlet pipe 22 Speed, and export flow-velocity sensing signal;Processing unit 26, is coupled to the signal output part of flow rate detection unit 25, works as flow-velocity sensing Signal turns on the first electromagnetic valve 23 when being less than threshold signal;And power subsystem 27.
The circuit diagram of power subsystem 27 is filtered through step-down rectifier as shown in figure 4, its input is coupled to 220V alternating current power supplys The first unidirectional current Vout_1 is exported after ripple, first unidirectional current Vout_1 is 5V;Second unidirectional current Vout_2, second unidirectional current Vout_2 is 12V, so that switched system 24 is used.
As shown in Figure 3 and Figure 4, flow rate detection unit 25 includes the water flow sensing unit being arranged in outlet pipe 22, threshold value letter Number be threshold voltage signal, when flow-velocity sensing signal be less than threshold voltage signal when, processing unit 26 turn on the first electromagnetic valve 23; When flow-velocity sensing signal is higher than threshold voltage signal, processing unit 26 closes the first electromagnetic valve 23.
Processing unit 26 includes:Comparison circuit 28, is coupled to the signal output part of flow rate detection unit 25, by what is received Flow-velocity sensing signal exports a control OFF signal compared with threshold voltage signal;On-off circuit 29, is coupled to comparison circuit 28 Signal output part, to the break-make that the first electromagnetic valve 23 is controlled according to control OFF signal.
Comparison circuit 28 includes:One threshold voltage generative circuit 30, with first resistor R1, its one end is coupled to one One unidirectional current Vout_1, the other end are grounded after being connected with second resistance R2, are produced between first resistor R1 and second resistance R2 Raw threshold voltage signal;One comparator A, with an in-phase input end, an inverting input and an outfan, its inverting input The outfan of flow rate detection unit is coupled to, in-phase input end is coupled to the junction point of first resistor R1 and second resistance R2, defeated Go out end output control OFF signal.
In foregoing circuit, first comparator A is active voltage comparator, and power access end is coupled to the first unidirectional current Vout_1, earth terminal ground connection.
On-off circuit 29 includes:One NPN triode Q1, its grounded emitter, base stage are coupled to by 3rd resistor R3 Comparator A outfans simultaneously pass through one the 4th resistance R4 with emitter stage altogether, the coil KM1 strings of its colelctor electrode and the first electromagnetic valve 23 The second unidirectional current Vout_2 is coupled to after connection.
In actual use, when flow-velocity sensing signal is less than threshold voltage signal, the high electricity of outfan output of comparator A It is flat, Jing after NPN triode Q1 is amplified, the first electromagnetic valve 23 is turned on, made from the next cooling medium of the stream of ion exchanger 4 along water inlet pipe 19 enter into and wash away 17 surface of filter screen and the impurity outside filter screen 17 flows away from blow-off pipe 20 in time of filtration 18, so as to reach The purpose of the impurity on the filter screen 17 of automatic cleaning accurate filter 6;When flow-velocity sensing signal is higher than threshold voltage signal, I.e. 17 surface recovery of filter screen it is unimpeded after, the outfan of comparator A output low level, NPN triode Q1 cut-off, so as to close first Electromagnetic valve 23, reduces the waste of cooling medium.
First resistor R1 is rheostat.As the resistance by changing first resistor R1 can change first resistor R1 With the threshold voltage signal size produced at the junction point of second resistance R2, and the first electromagnetic valve 23 is less than when flow-velocity sensing signal Open during threshold voltage signal, and close when flow-velocity sensing signal is higher than threshold voltage signal, i.e., attendant can pass through Adjust first resistor R1 resistance come change the first electromagnetic valve 23 keying trigger condition, when increase first resistor R1 resistance when, Threshold voltage signal reduces, i.e., impurity is just opened the first electromagnetic valve 23 and is rinsed clearly when 17 surface of filter screen accumulates more Reason, and when first resistor R1 resistance is reduced, threshold voltage signal increase, i.e. impurity when 17 surface of filter screen accumulates less just Open the first electromagnetic valve 23 and be rinsed cleaning, the former more economizes on water, the latter's filter efficiency is higher and 17 service life of filter screen more Long, attendant voluntarily can be adjusted.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned enforcement Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications Should be regarded as protection scope of the present invention.

Claims (8)

1. a kind of deionized water treatment loop for water-cooling system, including ion exchanger (4) and accurate filter (6), its It is characterised by, the accurate filter (6) is arranged on including housing (14), the lid (15) being arranged on housing (14), upper end Osmos tube (16) on the lid (15), the filter screen (17) for being arranged on the osmos tube (16) surface, the housing (14) with Time of filtration (18) is provided between the filter screen (17), the lid (15) connects institute with being respectively equipped with the housing (14) The water inlet pipe (19) and blow-off pipe (20) of time of filtration (18) are stated, the water inlet pipe (19) is mutually gone here and there with the ion exchanger (4) Connection, the side wall of the osmos tube (16) are provided with permeability hole (21) and bottom end closure, are communicated with described on the lid (15) The outlet pipe (22) of osmos tube (16), the blow-off pipe (20) are provided with the first electromagnetic valve for coupling switched system (24) (23), the switched system (24) includes:
Flow rate detection unit (25), for detecting the flow velocity at the outlet pipe (22) place, and exports flow-velocity sensing signal;
Processing unit (26), is coupled to the signal output part of the flow rate detection unit (25), when the flow-velocity sensing signal it is low First electromagnetic valve (23) is turned on when threshold signal.
2. a kind of deionized water treatment loop for water-cooling system according to claim 1, it is characterised in that it is described from Sub- exchanger (4) is in series with the first one way stop peturn valve (1).
3. a kind of deionized water treatment loop for water-cooling system according to claim 2, it is characterised in that described Logical first header box (3), first header box (3) are in series between one one way stop peturn valve (1) and the ion exchanger (4) Be connected with liquid supply device (9), the liquid supply device (9) including the small pump (11), the second one way stop peturn valve (12) being sequentially connected in series, Imported valve (13), the imported valve (13) are connected to first header box (3).
4. a kind of deionized water treatment loop for water-cooling system according to claim 1, it is characterised in that the stream Fast detector unit (25) includes the water flow sensing unit being arranged in the outlet pipe (22), and the threshold signal is believed for threshold voltage Number, when the flow-velocity sensing signal is less than threshold voltage signal, the processing unit (26) turns on first electromagnetic valve (23);When the flow-velocity sensing signal is higher than threshold voltage signal, the processing unit (26) closes first electromagnetic valve (23)。
5. a kind of deionized water treatment loop for water-cooling system according to claim 4, it is characterised in that the place Reason unit (26) includes:Comparison circuit (28), is coupled to the signal output part of the flow rate detection unit (25), by what is received The flow-velocity sensing signal exports a control OFF signal compared with the threshold voltage signal;On-off circuit (29), is coupled to institute The signal output part of comparison circuit (28) is stated, to the break-make that first electromagnetic valve (23) is controlled according to the control OFF signal.
6. a kind of deionized water treatment loop for water-cooling system according to claim 5, it is characterised in that the ratio Include compared with circuit (28):
One threshold voltage generative circuit (30), with first resistor R1, its one end is coupled to one first unidirectional current Vout_1, separately One end is grounded after being connected with second resistance R2, and the threshold voltage letter is produced between first resistor R1 and second resistance R2 Number;
One comparator A, with an in-phase input end, an inverting input and an outfan, its inverting input is coupled to described The outfan of flow rate detection unit, in-phase input end are coupled to the junction point of first resistor R1 and second resistance R2, and outfan is defeated Go out the control OFF signal.
7. a kind of deionized water treatment loop for water-cooling system according to claim 6, it is characterised in that described to open Powered-down road (29) includes:
One NPN triode Q1, its grounded emitter, base stage are coupled to the comparator A outfans simultaneously by 3rd resistor R3 By one the 4th resistance R4 and emitter stage altogether, its colelctor electrode is coupled to the after connecting with the coil KM1 of the first electromagnetic valve (23) Two unidirectional current Vout_2.
8. a kind of deionized water treatment loop for water-cooling system according to claim 6, it is characterised in that described One resistance R1 is rheostat.
CN201710040825.XA 2017-01-20 2017-01-20 Deionized water treatment loop for water cooling system Active CN106608695B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN106608695B CN106608695B (en) 2022-09-02

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004325169A (en) * 2003-04-23 2004-11-18 Matsushita Electric Ind Co Ltd Device for measuring fluid flow
CN201332354Y (en) * 2008-12-30 2009-10-21 上海发电设备成套设计研究院 Water cooling device of static frequency changer
CN201535217U (en) * 2009-09-16 2010-07-28 徐州工业职业技术学院 Simple pulse type electromagnetic fuel injector detecting & cleaning device
CN202733331U (en) * 2012-04-13 2013-02-13 中国石油天然气股份有限公司 Oil field complex pipe network adjustable electromagnetism anti-scale instrument
CN104953794A (en) * 2015-06-25 2015-09-30 常州博瑞电力自动化设备有限公司 HVDC (high-voltage direct current) converter valve water cooling system
CN106253635A (en) * 2016-08-17 2016-12-21 常州博瑞电力自动化设备有限公司 The double water distribution cooling system of a kind of direct-current transmission converter valve

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004325169A (en) * 2003-04-23 2004-11-18 Matsushita Electric Ind Co Ltd Device for measuring fluid flow
CN201332354Y (en) * 2008-12-30 2009-10-21 上海发电设备成套设计研究院 Water cooling device of static frequency changer
CN201535217U (en) * 2009-09-16 2010-07-28 徐州工业职业技术学院 Simple pulse type electromagnetic fuel injector detecting & cleaning device
CN202733331U (en) * 2012-04-13 2013-02-13 中国石油天然气股份有限公司 Oil field complex pipe network adjustable electromagnetism anti-scale instrument
CN104953794A (en) * 2015-06-25 2015-09-30 常州博瑞电力自动化设备有限公司 HVDC (high-voltage direct current) converter valve water cooling system
CN106253635A (en) * 2016-08-17 2016-12-21 常州博瑞电力自动化设备有限公司 The double water distribution cooling system of a kind of direct-current transmission converter valve

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