CN209840448U - High-temperature medium temperature control cold system based on compressor - Google Patents
High-temperature medium temperature control cold system based on compressor Download PDFInfo
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- CN209840448U CN209840448U CN201920553604.7U CN201920553604U CN209840448U CN 209840448 U CN209840448 U CN 209840448U CN 201920553604 U CN201920553604 U CN 201920553604U CN 209840448 U CN209840448 U CN 209840448U
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Abstract
The utility model discloses a high temperature medium temperature control cold system based on compressor, it includes the evaporimeter, high temperature medium input tube, circulating pump and heater, the low temperature medium output tube that communicates with the evaporimeter that communicate with the evaporimeter intercommunication formation return circuit, compressor and condenser that set up a branch pipeline at the output of condenser, the other end reposition of redundant personnel of branch pipeline is first pipeline, second pipeline and third pipeline three routes, all be provided with the hydrojet valve on the three-way pipeline, first pipeline and the pipeline intercommunication evaporimeter and vapour and liquid separator; the second pipeline is communicated with a pipeline connecting the gas-liquid separator and the compressor; the third pipeline is directly communicated with the inner chamber of the compressor. The utility model discloses all adopt the compressor operation to carry out whole cooling to the medium in high temperature district and low temperature district, and can ensure the normal operating of compressor and avoid self overheated and influence work.
Description
Technical Field
The utility model belongs to the technical field of the temperature control equipment, especially, relate to a high temperature medium temperature control cooling system based on compressor.
Background
In the experimental testing industry, it is often necessary to maintain a constant high temperature media temperature, typically in the range of 100 ℃ to 200 ℃. When the test conditions require a reduction from high to low temperatures, there are generally two ways of reducing the temperature. The first is to adopt cooling water circulation to indirectly cool the medium in a medium high-temperature region and then adopt a compressor to operate in a medium low-temperature region to indirectly cool the medium; the second method is that the high-temperature area and the low-temperature area are both operated by a compressor to carry out whole-course cooling on the medium.
The first method has the advantages that the compressor is not operated when the temperature is reduced in the high-temperature region, so that the energy is saved; cooling is carried out on the high-temperature medium by cooling water without phase change heat absorption, and temperature control is accurate; the first method has the disadvantages that a separate cooling water loop is required, the equipment needs to be increased in volume and cost, and the occupied area and cost of the equipment are not dominant.
The second method has the advantages of small equipment volume, simple control, and high cooling speed due to the adoption of refrigerant phase change cooling; the second method has the disadvantages that when the temperature of the high-temperature area is reduced, the suction temperature of the compressor is high, the motor in the compressor is designed to be cooled by the refrigerant, if the temperature of the refrigerant is high, the motor is cooled badly, and the compressor can be subjected to overheat protection and stop running, so that the compressor can not work normally.
Therefore, there is a need to provide a new compressor-based high temperature medium temperature control cooling system to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a cold system of high temperature medium temperature control based on compressor adopts and all adopts the mechanism that the compressor operation carries out whole cooling to the medium in high-temperature region and low temperature zone, and can ensure the normal operating of compressor and avoid self overheated and influence work.
The utility model discloses a following technical scheme realizes above-mentioned purpose: a high-temperature medium temperature control cold system based on a compressor comprises an evaporator, a high-temperature medium input pipe communicated with the evaporator, a circulating pump and a heater which are arranged on the high-temperature medium input pipe, a low-temperature medium output pipe communicated with the evaporator, and a refrigeration cycle unit which cools the medium in the high-temperature medium input pipe in the evaporator, wherein the refrigeration cycle unit comprises a gas-liquid separator, a compressor and a condenser which are communicated with the evaporator to form a loop; the second pipeline is communicated with a pipeline which communicates the gas-liquid separator and the compressor; the third conduit is in direct communication with the interior chamber of the compressor.
Further, the liquid spraying valve comprises a first liquid spraying valve arranged on the first pipeline, a second liquid spraying valve arranged on the second pipeline and a third liquid spraying valve arranged on the third pipeline.
Furthermore, the liquid spraying valve can be made of a thermal expansion valve, an electronic expansion valve or a throttling capillary tube.
Furthermore, a liquid spraying electromagnetic valve is arranged on the branch pipeline to control the conduction and the blockage of the branch pipeline.
Further, a refrigerant circulates inside the refrigeration cycle unit.
Further, the circulating pump is a high-temperature-resistant magnetic pump.
Furthermore, a throttling device is arranged on a pipeline for communicating the condenser and the evaporator.
Furthermore, a first thermometer is arranged on a pipeline for communicating the compressor with the condenser.
Further, an expansion tank is arranged on the high-temperature medium input pipe and located at the upstream of the circulating pump.
Furthermore, a second thermometer is arranged on the low-temperature medium output pipe.
Compared with the prior art, the utility model relates to a cold system of high temperature medium temperature control based on compressor's beneficial effect lies in: the high-temperature area and the low-temperature area both adopt a method for carrying out whole-process cooling on a medium by adopting compressor operation, a multi-point throttling liquid spraying cooling design is added, when equipment detects that the exhaust temperature of a compressor exceeds a set value, a refrigerant in a refrigeration cycle is utilized, a first liquid spraying valve, a second liquid spraying valve and a third liquid spraying valve are respectively utilized to carry out liquid spraying cooling on three positions of a compression chamber of the compressor, an air suction port of the compressor and an air suction pipe section of the compressor, the exhaust temperature of the compressor is controlled not to exceed a safety value, and the safe and reliable operation of a unit in the high.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
the figures in the drawings represent:
1, an evaporator; 2, a high-temperature medium input pipe; 3, a circulating pump; 4, a heater; 5, a low-temperature medium output pipe; 6 a second thermometer; 7 gas-liquid separator; 8, a compressor; 9 a condenser; 10 branch pipelines; 11 a first conduit; 12 a second conduit; 13 a third line; 14 a first liquid spray valve; 15 a second liquid spray valve; 16 a third liquid spray valve; 17 a liquid spraying electromagnetic valve; 18 a throttling device; 19 a first thermometer; 20 expansion tank.
Detailed Description
Example (b):
referring to fig. 1, the present embodiment is a high temperature medium temperature control cold system 100 based on a compressor, which includes an evaporator 1, a high temperature medium input pipe 2 communicated with the evaporator 1, a circulating pump 3 disposed on the high temperature medium input pipe 2, a heater 4 for heating a medium in the high temperature medium input pipe 2 before entering the evaporator 1, a low temperature medium output pipe 5 communicated with the evaporator 1, and a refrigeration cycle unit for cooling the medium in the high temperature medium input pipe 2 in the evaporator 1, wherein the refrigeration cycle unit includes a gas-liquid separator 7 communicated with the evaporator 1 to form a loop, a compressor 8, and a condenser 9, an output end of the condenser 9 is provided with a branch pipe 10, and the other end of the branch pipe 10 is divided into three paths, namely a first pipe 11, a second pipe 12, and a third pipe 13, and liquid spray valves are disposed on the three paths, the first pipeline 11 is communicated with a pipeline for communicating the evaporator 1 with the gas-liquid separator 7; the second pipeline 12 is communicated with a pipeline connecting the gas-liquid separator 7 and the compressor 8; the third conduit 13 communicates directly with the internal chamber of the compressor 8.
The liquid discharge valves include a first liquid discharge valve 14 provided on the first pipe 11, a second liquid discharge valve 15 provided on the second pipe 12, and a third liquid discharge valve 16 provided on the third pipe 13. The liquid spraying valve can be made of a thermal expansion valve, an electronic expansion valve or a throttling capillary tube.
The branch pipeline 10 is provided with a liquid spraying electromagnetic valve 17 for controlling the conduction and the blockage of the branch pipeline 10.
Refrigerant circulates inside the refrigeration cycle unit.
The first liquid spraying valve 14 is used for directly throttling and cooling the inner cavity of the compressor 8, and the cooling object is the compression chamber part of the compressor; the second liquid spraying valve 15 is used for directly throttling and cooling the air suction port of the compressor 8, and the cooling object is a motor in the compressor; the third liquid spraying valve 16 is used for directly throttling and cooling the air suction pipe section of the compressor 8 (namely, the pipe sections communicated between the evaporator 1 and the gas-liquid separator 7 and between the gas-liquid separator 7 and the compressor 8), the cooling objects are the air suction pipeline and the gas-liquid separator 7, because the heat of a medium at the hot side can be transferred into the compressor 8 through the air suction pipe, the third liquid spraying valve 16 can play a role of spraying liquid in advance, and certain metal heat capacity of the air suction pipe section and the gas-liquid separator 7 is utilized, so that the compressor 8 can be protected in advance before high temperature, and the third liquid spraying valve is a relatively important liquid spraying valve.
In this embodiment, circulating pump 3 adopts high temperature resistant magnetic force pumping, and the design of no mechanical bearing seal can realize being difficult to under the high temperature and leak.
The pipeline connecting the condenser 9 and the evaporator 1 is provided with a throttling device 18, which is used for reducing the pressure of the high-temperature high-pressure liquid refrigerant through throttling and then changing the high-temperature high-pressure liquid refrigerant into a low-temperature low-pressure gas-liquid two-phase refrigerant, thereby creating conditions for the subsequent evaporation and heat absorption of the refrigerant.
A first thermometer 19 is arranged on a pipeline for communicating the compressor 8 and the condenser 9 and is used for detecting the temperature of a medium at the output end of the compressor 8.
An expansion tank 20 is provided on the high-temperature medium inlet pipe 2 upstream of the circulation pump 3. And a second thermometer 6 is arranged on the low-temperature medium output pipe 5 and is used for detecting the temperature of the medium at the output end of the low-temperature medium output pipe 5.
When the unit works, when the first thermometer 19 detects that the exhaust temperature of the compressor 8 exceeds a set value, the liquid spraying electromagnetic valve 17 is opened, and liquid spraying cooling is performed on three positions of a compressor compression chamber, a compressor suction port and a compressor suction pipe section by using a refrigerant of the refrigeration cycle unit and respectively using the first liquid spraying valve 14, the second liquid spraying valve 15 and the third liquid spraying valve 16, so that the exhaust temperature of the compressor is not higher than a safety value.
What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.
Claims (10)
1. The utility model provides a cold system of high temperature medium temperature control based on compressor which characterized in that: the refrigeration cycle unit comprises a gas-liquid separator, a compressor and a condenser which are communicated with the evaporator to form a loop, wherein a branch pipeline is arranged at the output end of the condenser, the other end of the branch pipeline is divided into three pipelines, namely a first pipeline, a second pipeline and a third pipeline, liquid spraying valves are arranged on the three pipelines, and the first pipeline is communicated with a pipeline communicated with the evaporator and the gas-liquid separator; the second pipeline is communicated with a pipeline which communicates the gas-liquid separator and the compressor; the third conduit is in direct communication with the interior chamber of the compressor.
2. A compressor-based high temperature media temperature control cold system as claimed in claim 1, wherein: the liquid spraying valve comprises a first liquid spraying valve arranged on the first pipeline, a second liquid spraying valve arranged on the second pipeline and a third liquid spraying valve arranged on the third pipeline.
3. A compressor-based high temperature media temperature control cold system as claimed in claim 1, wherein: the liquid spraying valve can be made of a thermal expansion valve, an electronic expansion valve or a throttling capillary tube.
4. A compressor-based high temperature media temperature control cold system as claimed in claim 1, wherein: and the branch pipeline is provided with a liquid spraying electromagnetic valve for controlling the conduction and the blockage of the branch pipeline.
5. A compressor-based high temperature media temperature control cold system as claimed in claim 1, wherein: refrigerant circulates inside the refrigeration cycle unit.
6. A compressor-based high temperature media temperature control cold system as claimed in claim 1, wherein: the circulating pump is a high-temperature resistant magnetic pump.
7. A compressor-based high temperature media temperature control cold system as claimed in claim 1, wherein: and a throttling device is arranged on a pipeline for communicating the condenser and the evaporator.
8. A compressor-based high temperature media temperature control cold system as claimed in claim 1, wherein: and a first thermometer is arranged on a pipeline for communicating the compressor with the condenser.
9. A compressor-based high temperature media temperature control cold system as claimed in claim 1, wherein: and an expansion tank is arranged on the high-temperature medium input pipe and positioned at the upstream of the circulating pump.
10. A compressor-based high temperature media temperature control cold system as claimed in claim 1, wherein: and a second thermometer is arranged on the low-temperature medium output pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920553604.7U CN209840448U (en) | 2019-04-22 | 2019-04-22 | High-temperature medium temperature control cold system based on compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920553604.7U CN209840448U (en) | 2019-04-22 | 2019-04-22 | High-temperature medium temperature control cold system based on compressor |
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| Publication Number | Publication Date |
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| CN209840448U true CN209840448U (en) | 2019-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920553604.7U Active CN209840448U (en) | 2019-04-22 | 2019-04-22 | High-temperature medium temperature control cold system based on compressor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109916100A (en) * | 2019-04-22 | 2019-06-21 | 苏州奥德机械有限公司 | A kind of high-temperature medium temperature control refrigeration system based on compressor |
| CN112083742A (en) * | 2020-08-31 | 2020-12-15 | 北京京仪自动化装备技术有限公司 | Temperature control device, integrated circuit manufacturing equipment and method |
-
2019
- 2019-04-22 CN CN201920553604.7U patent/CN209840448U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109916100A (en) * | 2019-04-22 | 2019-06-21 | 苏州奥德机械有限公司 | A kind of high-temperature medium temperature control refrigeration system based on compressor |
| CN112083742A (en) * | 2020-08-31 | 2020-12-15 | 北京京仪自动化装备技术有限公司 | Temperature control device, integrated circuit manufacturing equipment and method |
| CN112083742B (en) * | 2020-08-31 | 2021-10-26 | 北京京仪自动化装备技术股份有限公司 | Temperature control device, integrated circuit manufacturing equipment and method |
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Address after: Room 3 and 4, 228 Wulian Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province Patentee after: Suzhou Aode high end equipment Co.,Ltd. Address before: 215300 rooms 3 and 4, 228 Wulian Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province Patentee before: SUZHOU AODE MACHINERY Co.,Ltd. |