CN204301590U - A kind of liquid-circulating control system - Google Patents
A kind of liquid-circulating control system Download PDFInfo
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- CN204301590U CN204301590U CN201420768980.5U CN201420768980U CN204301590U CN 204301590 U CN204301590 U CN 204301590U CN 201420768980 U CN201420768980 U CN 201420768980U CN 204301590 U CN204301590 U CN 204301590U
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Abstract
The utility model discloses a kind of liquid-circulating control system, comprises controller, motor drive power supply, motor, hydraulic pump, fuel tank, valve group, flow sensor, pressure sensor, temperature sensor; Controller is electrically connected with motor drive power supply, flow sensor, pressure sensor, temperature sensor, and motor drive power supply is electrically connected with motor; Motor is connected with hydraulic pump, and drive pump head to rotate, the liquid inlet of hydraulic pump communicates with fuel tank, outlet end connects one by valve group and removes liquid pipeline, go liquid pipeline to be connected to the arrival end using liquid equipment, connect a liquid back pipe road with the port of export of liquid equipment, liquid back pipe road takes back fuel tank.The utility model adopts new structure mode, thus reduces the class requirement of liquid medium thing, also not high to the quality requirement of pump and valve.
Description
Technical field
The utility model belongs to hydraulic test, in particular to a kind of fluid flow cyclic control system.
Background technology
Along with China's industrial expansion, the cooling technology of equipment becomes crucial.Machine needs extraneous cooling support equipment to cool internal electronic equipment when working, checking, overhaul or debugging.Liquid cooling is the type of cooling that current routine is taked.
Liquid circulation principle in liquid cooling equipment belongs to hydraulic principle.The automatically controlled variable volume control mode of usual hydraulic system is divided into throttle grverning and volumetric speed control two kinds of methods.Throttle grverning refers to that proportioning valve passes through the size of the size coutroi velocity changing restriction.Volumetric speed control refers to that passing ratio variable pump changes the output size of the output displacement control flow velocity of pump.These two kinds of modes all belong to the method for electrical-liquid control flow, and these two kinds of methods require higher to the contamination level of cooling medium, otherwise easily occur the phenomenon of the failure such as card valve, oil filter blocking; The quality requirement of proportioning valve, proportioning pump is also higher simultaneously, buys and maintenance cost costliness.
So it is simple to study a kind of flow-control, the flow control system of equipment and the little liquid cooling equipment of environmental pollution is necessary.
Utility model content
The utility model proposes a kind of novel liquid-circulating control system for the problems referred to above, this liquid-circulating control system can use the variable-flow supply realizing liquid in common valve body and pump housing situation, and low to cooling medium class requirement, equipment cost is low.
The technical scheme that the utility model is taked is: a kind of liquid flow control system, is characterized in that: comprise controller, motor drive power supply, motor, hydraulic pump, fuel tank, valve group, flow sensor, pressure sensor, temperature sensor; Described controller is electrically connected with motor drive power supply, flow sensor, pressure sensor, temperature sensor, and described motor drive power supply is electrically connected with motor; Described motor is connected with hydraulic pump, and drive pump head to rotate, the liquid inlet of hydraulic pump communicates with fuel tank, outlet end connects one by described valve group and removes liquid pipeline, go liquid pipeline to be connected to the arrival end using liquid equipment, connect a liquid back pipe road with the port of export of liquid equipment, liquid back pipe road takes back fuel tank.
Describedly go on liquid pipeline, immediately hydraulic pump outlet end is provided with a filter.
Go out an overflow passage in the described liquid pipeline top set that goes, overflow passage is connected to fuel tank, and overflow passage is provided with overflow valve.
Describedly go to liquid pipeline and liquid back pipe road, be connected on a two-way reversal valve simultaneously.
Described flow sensor, pressure sensor, temperature sensor, be arranged on entrance and the exit close to using liquid equipment.
Described liquid-circulating control system has many groups, shares a described fuel tank, shares a described controller, is connected between each group system by stop valve pipeline.
A refrigerating plant is equipped with in described fuel tank.Described refrigerating plant is a Cempression engine refrigerating apparatus; Or described refrigerating plant is a water-cooled refrigerating plant.
The utility model adopts new structure mode, controller is directly controlled motor, the flow of fluid circulation is changed by the speed changing motor, solve legacy equipment controls flow mode by hydraulic pump or control valve, thus reduce the class requirement of liquid medium thing, not high to the quality requirement of pump and valve yet.
Other feature and advantage of the present utility model will be set forth in the following description, and, becoming apparent from description of part, or understand by implementing the utility model.
Accompanying drawing explanation
Fig. 1 is system construction drawing of the present utility model.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in detail.
According to the embodiment that Fig. 1 provides, can find out that liquid-circulating control system of the present utility model is made up of controller 1, motor drive power supply 2, motor 3, hydraulic pump 4, fuel tank 5, valve group 6, flow sensor 7, pressure sensor 8, temperature sensor 9 etc. substantially.
In this control system, controller 1 is the master control part of system, forms primarily of each PLC module.Controller 1 is electrically connected with motor drive power supply 2, flow sensor 7, pressure sensor 8, temperature sensor 9, if having electrically-controlled valve in valve group 6, is also connected with controller 1.The signal of telecommunication of acquisition stream quantity sensor 7, pressure sensor 8, temperature sensor 9 is responsible for by controller 1, then converts corresponding flow, pressure, temperature value to.Motor drive power supply 2 is connected with controller 1, and controller 1 sends drive singal to motor drive power supply 2.Motor drive power supply 2 is connected with motor 4, leads to by motor drive power supply 2 rotating speed that superpotential size changes motor.
Hydraulic pump 4 is connected with motor 3, is rotated by driven by motor pump head, and the utility model carrys out control pump flow by controlling motor speed.The liquid inlet of hydraulic pump 4 communicates with fuel tank 5, and outlet end connects one and removes liquid pipeline 10, and go liquid pipeline 10 to be connected to the arrival end using liquid equipment, connect a liquid back pipe road 11 with the port of export of liquid equipment, liquid back pipe road takes back fuel tank 5, forms a liquid circulation line thus.
Further, for preventing flow excessive, hypertonia, going to liquid pipeline top set to go out an overflow passage 12, overflow passage is also connected to fuel tank 5, is recovered in fuel tank by overflowing liquid.Overflow passage adjustable systems pressure, if external loading is excessive, is no longer risen after being elevated to specified pressure by system pressure after overflow passage overflow, more than flow will turn back to fuel tank by overflow passage.Overflow passage installs overflow valve, whether opens and aperture size for controlling water kick pipeline.
Further, going, on liquid pipeline 10, to be provided with filter 13, for carrying out filtration, purification to liquid, in case damage equipment.
Further, go to liquid pipeline 10 and liquid back pipe road 11, be connected on a two-way reversal valve 14 simultaneously, the flow direction of liquid can be changed by reversal valve 14, when not needing to during with liquid equipment feed flow, the valve port going back to liquid direction is opened, and liquid returns fuel tank by reversal valve 14; When needs are to during with liquid equipment feed flow, go the valve port of liquid pipeline to open, liquid by reversal valve 14 to using liquid equipment.If when reversal valve 14 is solenoid directional control valve, need be connected with controller 1, controls it by controller and open or close.
It is preferred that above overflow passage 12 and reversal valve 14 all should be arranged on the pipeline after filter 13.
Further, going on liquid pipeline 10, be provided with flow sensor 7, pressure sensor 8, temperature sensor 9, be especially arranged on close to the porch with liquid equipment, for flow, the pressure and temperature of measurement device entrance.Equally, on liquid back pipe road 11, flow sensor 7, pressure sensor 8, temperature sensor 9 also can be set, especially be arranged on close to the exit with liquid equipment, for flow, the pressure and temperature of measurement device outlet.These sensors are all received on controller 1, to controller transmission measurement signal.
Further, two even more liquid-circulating control systems be made up of controller 1, motor drive power supply 2, motor 3, hydraulic pump 4, fuel tank 5, valve group 6, flow sensor 7, pressure sensor 8, temperature sensor 9 like this can be set in same fuel tank.All systems share a fuel tank, share a controller, can be connected, can realize redundancy each other like this between each system by stop valve pipeline, to meet the supply of the equipment of larger demand.Or, when wherein a certain road hydraulic circuit breaks down, replace its work by another loop.As can be seen here, each cyclic control system can share a large tank, also a controller can be shared, and respectively organize the type feed flow that loop can be only oneself, also can coordinate to fight under the environment that this is common, this tactic pattern can simplify the formation of system greatly, for equipment saves space, also reduce cost simultaneously, improve the versatility of equipment.
In refrigerating field, this system can be work like this: motor 3 drives hydraulic pump 4 to work, and the refrigerating fluid in fuel tank 5 is pressurized to certain pressure and outputs to filter 13 by hydraulic pump 4.Overflow valve pipeline 12 adjustable systems pressure.Refrigerating fluid is to reversal valve 14 after filter, and reversal valve 14 goes the valve port in liquid direction to open, then liquid can use liquid equipment by going liquid pipeline to enter, and can carry out the measurement of temperature, pressure, flow on the way.From the refrigerating fluid flowed out with liquid equipment through reversal valve 14, the liquid valve port that returns of reversal valve is opened, and liquid flow back into fuel tank 5 through liquid back pipe road.
Further, at refrigerating field, this cyclic control system can be equipped with a refrigerating plant.In one embodiment, described refrigerating plant can be a Cempression engine refrigerating apparatus, this device comprises pipeline, and the electric-motor pump group 15, filter 16, heat exchanger 17, the overflow valve 18 that are connected on pipeline, refrigeration compressor 19, evaporimeter 20, liquid reservoir 21, air-liquid converter 22, gas-liquid separator 23.Electric-motor pump group 15 liquid inlet is connected to fuel tank, and outlet end is connected to filter 16, and the outlet end of filter 16 is connected to heat exchanger 17, and heat exchanger 17 outer circulation case is connected to fuel tank; The built-in refrigerating module of heat exchanger 17 is then connected to refrigeration compressor 19 through gas-liquid separator 23, refrigeration compressor 19 outlet is connected to evaporimeter 20, evaporator outlet is connected to liquid reservoir 21, liquid reservoir outlet is connected to air-liquid converter 22, air-liquid converter 22 outlet takes back the built-in refrigerating module electric-motor pump group 15 of heat exchanger 17 and twitches refrigerating fluid in fuel tank to filter 16, and the refrigerating fluid filtered through filter 16 gets back to fuel tank through over-heat-exchanger 17.In overflow valve setting pipeline, the maximum pressure of refrigerating fluid, overflows back fuel tank when pressure exceedes.The refrigerating module of heat exchanger self is connected to refrigeration compressor, gaseous refrigerant is compressed into liquid refrigerant by refrigeration compressor, gas-liquid conversion chien shih fluid temperature rises, the heat of liquid refrigerant is taken away through evaporimeter, relatively cold cold-producing medium through liquid reservoir to air-liquid converter, convert to gaseous process at cold-producing medium from liquid state, gaseous refrigerant temperature significantly reduces, the fluid entered in heat exchanger and fuel tank carries out heat exchange to reduce the temperature of fuel tank fluid, then gaseous refrigerant gets back to refrigeration compressor through gas-liquid separator, so complete a kind of refrigeration cycle.Controller 1 completes the control to refrigeration compressor, controls the temperature of fuel tank Inner eycle liquid with this.
In another embodiment, described refrigerating plant can also be the refrigeration of water-cooling pattern, under above-described embodiment, keep the outer circulation structure of electric-motor pump group 15, filter 16, heat exchanger 17, overflow valve 18 constant, only the refrigeration module of heat exchanger 17 is changed into circulating water and supply.Also can be other forms of refrigeration measure.
As can be seen here, the utility model provides unique liquid-circulating control system, and flow-control uses electrical motor gearshift to control, and all reduces, save manufacturing cost to the requirement of hydraulic pump and control valve group.System can additional refrigeration measure, is applied in refrigeration industry.Above embodiment is only the utility model preferably detailed description of the invention; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (9)
1. a liquid flow control system, is characterized in that: comprise controller, motor drive power supply, motor, hydraulic pump, fuel tank, valve group, flow sensor, pressure sensor, temperature sensor;
Described controller is electrically connected with motor drive power supply, flow sensor, pressure sensor, temperature sensor, and described motor drive power supply is electrically connected with motor;
Described motor is connected with hydraulic pump, and drive pump head to rotate, the liquid inlet of hydraulic pump communicates with fuel tank, outlet end connects one by described valve group and removes liquid pipeline, go liquid pipeline to be connected to the arrival end using liquid equipment, connect a liquid back pipe road with the port of export of liquid equipment, liquid back pipe road takes back fuel tank.
2. liquid flow control system according to claim 1, is characterized in that: described in go on liquid pipeline, immediately hydraulic pump outlet end is provided with a filter.
3. liquid flow control system according to claim 1, is characterized in that: go out an overflow passage in the described liquid pipeline top set that goes, overflow passage is connected to fuel tank, and overflow passage is provided with overflow valve.
4. the liquid flow control system according to claim 1 or 2 or 3, is characterized in that: described in go to liquid pipeline and liquid back pipe road, be connected on a two-way reversal valve simultaneously.
5. liquid flow control system according to claim 1, is characterized in that: described flow sensor, pressure sensor, temperature sensor, is arranged on entrance and exit close to using liquid equipment.
6. liquid flow control system according to claim 1, is characterized in that: described liquid-circulating control system has many groups, shares a described fuel tank, shares a described controller, is connected between each group system by stop valve pipeline.
7. liquid flow control system according to claim 1, is characterized in that: with a refrigerating plant in described fuel tank.
8. liquid flow control system according to claim 7, is characterized in that: described refrigerating plant is a Cempression engine refrigerating apparatus.
9. liquid flow control system according to claim 7, is characterized in that: described refrigerating plant is a water-cooled refrigerating plant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420768980.5U CN204301590U (en) | 2014-12-08 | 2014-12-08 | A kind of liquid-circulating control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420768980.5U CN204301590U (en) | 2014-12-08 | 2014-12-08 | A kind of liquid-circulating control system |
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| CN204301590U true CN204301590U (en) | 2015-04-29 |
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| CN201420768980.5U Active CN204301590U (en) | 2014-12-08 | 2014-12-08 | A kind of liquid-circulating control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107881653A (en) * | 2017-12-29 | 2018-04-06 | 山东康洁非织造布有限公司 | Nonwovens Line chill roll water changes oil system |
| CN114413178A (en) * | 2021-12-13 | 2022-04-29 | 烟台杰瑞石油装备技术有限公司 | Automatic liquid supply system |
-
2014
- 2014-12-08 CN CN201420768980.5U patent/CN204301590U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107881653A (en) * | 2017-12-29 | 2018-04-06 | 山东康洁非织造布有限公司 | Nonwovens Line chill roll water changes oil system |
| CN114413178A (en) * | 2021-12-13 | 2022-04-29 | 烟台杰瑞石油装备技术有限公司 | Automatic liquid supply system |
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