CN201212761Y - Novel liquid cooling temperature control device - Google Patents
Novel liquid cooling temperature control device Download PDFInfo
- Publication number
- CN201212761Y CN201212761Y CNU2008200883071U CN200820088307U CN201212761Y CN 201212761 Y CN201212761 Y CN 201212761Y CN U2008200883071 U CNU2008200883071 U CN U2008200883071U CN 200820088307 U CN200820088307 U CN 200820088307U CN 201212761 Y CN201212761 Y CN 201212761Y
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Abstract
The utility model relates to a novel control device for liquid cooling temperature. The prior device is hard to obtain high-accuracy and constant-temperature cooling liquid so as not to satisfy the requirements. The control device for liquid cooling temperature comprises a compressor, a condenser, a throttle mechanism and an evaporator which are sequentially connected, wherein the evaporator and a temperature sensor are arranged in a liquid cooling box, and a condensation blower is arranged corresponding to the position of the condenser; one end of an electronic expansion valve is communicated with a pipeline between the air vent of the compressor and the inlet of the condenser through a pipeline, and the other end is communicated with a pipeline between the outlet of the throttle mechanism and the inlet of the evaporator through a pipeline; and the compressor, the throttle mechanism, the condensation blower, the electronic expansion valve and the temperature sensor are all in signal connection with an electrical control device. The utility model has simple structure and good economy and can obtain the high-accuracy and constant-temperature cooling liquid.
Description
Technical field
The utility model belongs to refrigeration technology field, is specifically related to a kind of new liquid chilling temperature control device in the Precision Machining.
Background technology
Along with industrial expansion, it is more and more that parts are carried out the Precision Machining occasion, and also more and more higher to the requirement of the control accuracy of parts processing temperature and process equipment main shaft oil temperature, the liquid cooling machine that uses at machine tool also moves towards market gradually.What the cooling system of most liquid cooler adopted at present is air-cooled vapour compression refrigeration system structure.Be to link to each other by pipeline successively by compressor, condenser, throttle mechanism, evaporimeter to form, by condensation fan go to condenser dispel the heat the condensation that realizes cold-producing medium, obtain the liquid refrigerant of low-temp low-pressure by throttle mechanism, liquid refrigerant enters evaporimeter, and evaporimeter is installed in the liquid cools case.Thereby by liquid circulation pump will be cooled liquid send in the liquid cools case with, carry out heat exchange with evaporimeter and obtain cooling, the low-temp low-pressure liquid refrigerant in the evaporimeter has absorbed the heat of the liquid that is cooled and has flashed to gas.Enter compressor starts new round kind of refrigeration cycle.Becoming hydraulic fluid after the liquid that the is cooled cooling sends into the machine tool working region and is used for cooling.Generally the temperature sensor by being arranged on the outlet of liquid cools case detects the temperature of the liquid of its outlet.When temperature reaches design temperature, then close compressor in the refrigeration system by electrical control gear, this moment, refrigeration system did not provide cooling load to the machine tool liquid system, the required refrigeration duty of machine tool liquid system is provided by the cryogenic liquid of storage in the liquid cools case, when the temperature of cryogenic liquid exceeds certain scope of setting value, then compressor is opened again, and refrigeration system works on, and liquid provides refrigeration duty to being cooled.The temperature that this compressor start-stop mode is controlled the liquid of required cooling is to cause the fluctuation of its temperature, can not be accurately according to the situation of change that enters the fluid temperature of cooler, and the refrigerating capacity of regulating evaporimeter in real time is to follow the tracks of the situation of change of fluid temperature; Be difficult to obtain the cooling liquid of high-accuracy and constant fixed temperature, can only be provided at the cooling liquid environment of a certain temperature range fluctuation, can't satisfy some like this chilled liquid temperature excursion is required under the very little occasion.
Summary of the invention
The purpose of this utility model is exactly at the deficiencies in the prior art, and a kind of new liquid chilling temperature control device is provided.
The utility model comprises the refrigeration system that is in turn connected into by pipeline by compressor, condenser, throttle mechanism, evaporimeter, and evaporimeter is arranged in the liquid cools case that is connected with liquid circulation pump, is provided with temperature sensor in the liquid cools case.Corresponding condenser locations is provided with condensation fan.One end of electric expansion valve is by the pipeline connection between pipeline and exhaust outlet of compressor and the condenser inlet, and the other end is by the pipeline connection between pipeline and throttle mechanism outlet and the evaporator.Compressor, throttle mechanism, condensation fan, electric expansion valve and temperature sensor all are connected with the electrical control gear signal.
The utility model can adopt a plurality of electric expansion valves to be connected in parallel between the pipeline between pipeline between exhaust outlet of compressor and the condenser inlet and throttle mechanism outlet and the evaporator.
The utility model can produce high temperature and low temperature two-way cold-producing medium enters evaporimeter simultaneously, when the refrigeration duty of the liquid that is cooled changes, the control system control of liquid cooling machine enters the flow of two kinds of temperature cold-producing mediums of evaporimeter, so that the refrigerating capacity of evaporimeter can be according to the temperature real-time change of carrying out the liquid that is cooled of heat exchange with it, reach the temperature constant of the hydraulic fluid that is used to cool off that comes out from the liquid cools case.Simple in structure, the good economy performance of the utility model can obtain the cooling liquid of high-accuracy and constant fixed temperature.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further specified.
As shown in Figure 1, new liquid chilling temperature control device comprises the refrigeration system that is in turn connected into by pipeline by compressor 4, condenser 2, throttle mechanism 12, evaporimeter 8, evaporimeter 8 is arranged in the liquid cools case 7 that is connected with liquid circulation pump 9, is provided with temperature sensor 6 in the liquid cools case 7.Corresponding condenser 2 positions are provided with condensation fan 1.One end of electric expansion valve 11 is communicated with pipeline 3 between compressor 4 exhaust outlets and condenser 2 imports by pipeline, and the other end is communicated with pipeline 10 between throttle mechanism 12 outlets and evaporimeter 8 imports by pipeline.Compressor 4, throttle mechanism 12, condensation fan 1, electric expansion valve 11 and temperature sensor 6 all are connected with electrical control gear 5 signals.
This liquid cools temperature control equipment is not shut down in the machine tool course of work, electrical control gear except have compressor, condensation fan, throttle mechanism, liquid circulation pump controlled, also control by electric expansion valve.
Its concrete operation principle is: the user is provided with the liquid cools temperature that needs by electrical control gear, electrical apparatus control system will send instruction and make compressor, liquid circulation pump, throttle mechanism, condensation fan, electric expansion valve is started working, the HTHP cold media gas of discharging from compressor this moment is divided into two-way and circulates, the first via is consistent with the kind of refrigeration cycle of present liquid cooling machine, be specially by exhaust outlet of compressor and enter condenser along pipeline, the high temperature refrigerant gas that condensation fan forces air and flows through in condenser and the condenser carries out heat exchange, makes high temperature refrigerant condensation of gas Cheng Zhongwen high pressure refrigerant liquid.In warm high pressure refrigerant liquid through the throttle mechanism throttling, become the refrigerant liquid of low-temp low-pressure.The refrigerant liquid of low-temp low-pressure enters evaporimeter by pipeline, because evaporimeter places in the liquid cools case, the liquid that is cooled flows through the liquid cools case under the effect of liquid circulation pump.Be cooled liquid in cooler bin by with evaporimeter in the low-temp low-pressure liquid coolant carry out heat exchange, the heat of liquid of being cooled is absorbed by the cryogenic liquid refrigerant and obtains cooling, the heat absorption of cryogenic liquid refrigerant flashes to the cryogenic gas refrigerant, gets back to compressor at last, carries out new circulation.The second the tunnel is specially part high temperature and high pressure gas refrigerant has entered and has been connected the electric expansion valve of exhaust outlet of compressor to the pipeline of condenser inlet, become the cold media gas of high-temperature low-pressure, then this portion gas enters on the pipeline that throttle mechanism is exported to evaporator, enters evaporimeter again.That is to say that the low-pressure gas refrigerant higher than the liquid coolant temperature of low-temp low-pressure in the evaporimeter is mixed into evaporimeter.More than the flow of the two-way refrigerant of discharging from compressor control distribution by throttle mechanism and electric expansion valve according to the instruction of electrical apparatus control system respectively, the flow-control of this road high-temperature gas refrigerant that electric expansion valve is controlled is difference value and the difference value according to the measured temperature that is placed on the temperature sensor in the liquid cools case and user's the value of the setting rate value realization that changes.
Claims (2)
1, new liquid chilling temperature control device, comprise the refrigeration system that is in turn connected into by pipeline by compressor, condenser, throttle mechanism, evaporimeter, it is characterized in that: evaporimeter is arranged in the liquid cools case that is connected with liquid circulation pump, be provided with temperature sensor in the liquid cools case, corresponding condenser locations is provided with condensation fan; One end of electric expansion valve is by the pipeline connection between pipeline and exhaust outlet of compressor and the condenser inlet, and the other end is by the pipeline connection between pipeline and throttle mechanism outlet and the evaporator; Compressor, throttle mechanism, condensation fan, electric expansion valve and temperature sensor all are connected with the electrical control gear signal.
2, new liquid chilling temperature control device as claimed in claim 1, it is characterized in that: a plurality of electric expansion valves are by after the pipeline parallel connection, pipeline connection between one end and exhaust outlet of compressor and the condenser inlet, the pipeline connection between the other end and throttle mechanism outlet and the evaporator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200883071U CN201212761Y (en) | 2008-06-03 | 2008-06-03 | Novel liquid cooling temperature control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200883071U CN201212761Y (en) | 2008-06-03 | 2008-06-03 | Novel liquid cooling temperature control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201212761Y true CN201212761Y (en) | 2009-03-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200883071U Expired - Fee Related CN201212761Y (en) | 2008-06-03 | 2008-06-03 | Novel liquid cooling temperature control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201212761Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101807084A (en) * | 2010-04-01 | 2010-08-18 | 常州江南电力环境工程有限公司 | Point-to-point constant temperature device |
| CN103471302A (en) * | 2013-08-29 | 2013-12-25 | 合肥天鹅制冷科技有限公司 | Liquid cooling source with wide-temperature-range liquid supply |
| CN103604242A (en) * | 2013-11-21 | 2014-02-26 | Tcl空调器(中山)有限公司 | Refrigerating device and refrigerating control method thereof |
| CN114414274A (en) * | 2021-12-28 | 2022-04-29 | 势加透博(重庆)科技有限公司 | Measurement and control system of closed refrigeration cycle test device |
-
2008
- 2008-06-03 CN CNU2008200883071U patent/CN201212761Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101807084A (en) * | 2010-04-01 | 2010-08-18 | 常州江南电力环境工程有限公司 | Point-to-point constant temperature device |
| CN101807084B (en) * | 2010-04-01 | 2011-08-31 | 常州江南电力环境工程有限公司 | Point-to-point constant temperature device |
| CN103471302A (en) * | 2013-08-29 | 2013-12-25 | 合肥天鹅制冷科技有限公司 | Liquid cooling source with wide-temperature-range liquid supply |
| CN103604242A (en) * | 2013-11-21 | 2014-02-26 | Tcl空调器(中山)有限公司 | Refrigerating device and refrigerating control method thereof |
| CN103604242B (en) * | 2013-11-21 | 2016-05-11 | Tcl空调器(中山)有限公司 | Refrigerating plant and refrigeration control method thereof |
| CN114414274A (en) * | 2021-12-28 | 2022-04-29 | 势加透博(重庆)科技有限公司 | Measurement and control system of closed refrigeration cycle test device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090325 Termination date: 20120603 |