CN106608695A - Deionized water processing loop used for water cooling system - Google Patents
Deionized water processing loop used for water cooling system Download PDFInfo
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- 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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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 238000001816 cooling Methods 0.000 title claims abstract description 29
- 239000008367 deionised water Substances 0.000 title claims abstract description 24
- 229910021641 deionized water Inorganic materials 0.000 title claims abstract description 24
- 238000012545 processing Methods 0.000 title claims abstract description 18
- 238000001514 detection method Methods 0.000 claims abstract description 20
- 238000001914 filtration Methods 0.000 claims abstract description 19
- 230000008878 coupling Effects 0.000 claims abstract description 4
- 238000010168 coupling process Methods 0.000 claims abstract description 4
- 238000005859 coupling reaction Methods 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 14
- 230000035699 permeability Effects 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 abstract description 10
- 238000005342 ion exchange Methods 0.000 abstract description 3
- 230000035515 penetration Effects 0.000 abstract 5
- 238000012423 maintenance Methods 0.000 abstract 1
- 239000002826 coolant Substances 0.000 description 18
- 239000012535 impurity Substances 0.000 description 16
- 230000008859 change Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 238000002242 deionisation method Methods 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes 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
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.
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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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