CN219841696U - Refrigerating system suitable for alternating temperature storehouse - Google Patents
Refrigerating system suitable for alternating temperature storehouse Download PDFInfo
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- CN219841696U CN219841696U CN202320503925.2U CN202320503925U CN219841696U CN 219841696 U CN219841696 U CN 219841696U CN 202320503925 U CN202320503925 U CN 202320503925U CN 219841696 U CN219841696 U CN 219841696U
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- compressor unit
- pipeline
- temperature
- liquid
- evaporator
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- 239000007788 liquid Substances 0.000 claims abstract description 33
- 238000005057 refrigeration Methods 0.000 claims abstract description 11
- 238000001704 evaporation Methods 0.000 abstract description 6
- 230000008020 evaporation Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
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- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The refrigerating system suitable for the variable-temperature refrigerator effectively solves the problems of narrow evaporating temperature adjusting range and single refrigerator temperature setting of the refrigerator; the device comprises a compressor unit, a condenser, an evaporator and an electronic expansion valve, wherein a liquid supply port of the compressor unit is connected with a liquid inlet of the evaporator through a liquid supply pipeline, an evaporator outlet is connected with a return air port of the compressor unit through a return air pipeline, an exhaust port of the compressor unit is connected with an air inlet of the condenser through an exhaust pipeline, and a liquid outlet of the condenser is connected with a liquid inlet of the compressor unit through a liquid dropping pipeline; the electronic expansion valve is arranged on the liquid supply pipeline; the utility model has simple and ingenious structure and convenient use, and compared with the traditional throttling elements such as capillary tubes, thermal expansion valves and the like, the electronic expansion valve has wide temperature adjustment range, and the temperature of the refrigeration house has various setting modes, so that the refrigeration requirement of the variable-temperature house can be met.
Description
Technical Field
The utility model relates to the technical field of temperature-changing warehouse refrigerating systems, in particular to a refrigerating system suitable for a temperature-changing warehouse.
Background
According to the refrigeration principle, the saturated evaporation pressure and the evaporation temperature of the refrigeration working medium are in one-to-one correspondence, and the principle determines that the refrigeration house with a determined storage temperature can maintain the storage temperature at a determined value by using a traditional thermal expansion valve; for a variable temperature warehouse with uncertain required warehouse temperature, the thermal expansion valve cannot meet the wide-range regulation requirement.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a refrigerating system suitable for a variable-temperature refrigerator, and the problems of narrow evaporation temperature adjusting range and single refrigerator temperature setting of the refrigerator are effectively solved.
The technical scheme for solving the technical problems is as follows: a refrigerating system suitable for a variable-temperature warehouse comprises a compressor unit, a condenser, an evaporator and an electronic expansion valve, wherein a liquid supply port of the compressor unit is connected with a liquid inlet of the evaporator through a liquid supply pipeline, an evaporator outlet is connected with a return air port of the compressor unit through a return air pipeline, an exhaust port of the compressor unit is connected with an air inlet of the condenser through an exhaust pipeline, and a liquid outlet of the condenser is connected with a liquid inlet of the compressor unit through a liquid dropping pipeline; the electronic expansion valve is arranged on the liquid supply pipeline.
Preferably, the liquid supply pipeline is also provided with a ball valve, a filter and an electromagnetic valve.
Preferably, the return air pipeline is provided with a return air stop valve.
The utility model has simple and ingenious structure and convenient use, and compared with the traditional throttling elements such as capillary tubes, thermal expansion valves and the like, the electronic expansion valve has wide temperature adjustment range, and the temperature of the refrigeration house has various setting modes, so that the refrigeration requirement of the variable-temperature house can be met.
Drawings
Fig. 1 is a schematic diagram of a refrigeration system suitable for use in a temperature swing library according to the present utility model.
Fig. 2 is a schematic view of the structure of the compression unit of the present utility model.
FIG. 3 is a schematic view of a condenser according to the present utility model.
Fig. 4 is a schematic structural view of the evaporator in the present utility model.
Description of the embodiments
The following describes the embodiments of the present utility model in further detail with reference to the drawings.
As can be seen from fig. 1 to fig. 4, a refrigeration system suitable for a temperature-changing warehouse comprises a compressor unit 1, a condenser 2, an evaporator 3 and an electronic expansion valve 7, wherein a liquid supply port of the compressor unit 1 is connected with a liquid inlet of the evaporator 3 through a liquid supply pipeline 9, an outlet of the evaporator 3 is connected with a return air port of the compressor unit 1 through a return air pipeline 10, an exhaust port of the compressor unit 1 is connected with an air inlet of the condenser 2 through an exhaust pipeline 11, and a liquid outlet of the condenser 2 is connected with a liquid inlet of the compressor unit 1 through a liquid dropping pipeline 12; the electronic expansion valve 7 is arranged on the liquid supply pipeline 9; the liquid supply pipeline 9 is also provided with a ball valve 4, a filter and an electromagnetic valve 6; the return air pipe 10 is provided with a return air stop valve 8.
In the specific use of the present utility model,
the system is installed in a temperature changing warehouse, proper temperature is set according to the requirement of the temperature changing warehouse, the compressor unit 1 provides medium power to push a medium to flow in a pipeline, the medium enters the evaporator 3 from the compressor unit 1 through the liquid supply pipeline 9, the medium absorbs heat to gasify and then flows back into the compressor unit 1 through the air return pipeline 10, gas enters the condenser 2 through the exhaust pipeline 11, heat is released to liquefy in the condenser 2, and finally the medium returns to the compressor unit 1 through the liquid dropping pipeline 12, so that the circulation of the medium is completed, and the temperature control of the temperature changing warehouse is realized.
In the pipeline, be provided with ball valve 4, filter valve 5, solenoid valve 6 and electronic expansion valve 7 on the feed pipeline 9, ball valve 4, filter valve 5 and solenoid valve 6 are used for controlling feed pipeline 9's start-stop and filter the medium, avoid impurity to get into evaporimeter 3, electronic expansion valve 7 is connected with compressor unit 1 and evaporimeter 3 electricity, electronic expansion valve 7's step motor is according to the power of the real-time output change of the compressor unit 1 superheat degree of breathing in, can overcome various operating modes and the spring force of the electronic expansion valve 7 change under various load condition in time, make the aperture of valve satisfy the demand of evaporimeter 3 feed volume, and then the feed volume of evaporimeter 3 can be in real time with evaporating load phase-match, consequently, electronic expansion valve 7 can be considered to set for through the controller, effectual control superheat degree.
In some occasions with severe load variation or wider operating condition range, the traditional throttling element (such as a capillary tube, a thermal expansion valve and the like) cannot meet the requirements on comfort and energy conservation, but the electronic expansion valve 7 can solve the problem, the electronic expansion valve 7 is used for adjusting the heat of the refrigerant at the outlet of the evaporator 3, a temperature sensor and a pressure sensor arranged at the outlet of the evaporator 3 are used for collecting superheat signals, and the opening degree of the electronic expansion valve 7 is controlled by adopting feedback adjustment; and the feedforward and feedback compound regulation can be adopted, so that the superheat degree control lag caused by the pipe wall of the evaporator 3 and the heat capacity of the evaporator 3 is eliminated, the system regulation quality is improved, and the superheat degree is controlled within a target range in a very wide evaporation temperature area.
Compared with the prior art, the utility model has the following beneficial effects: the electronic expansion valve is adopted to adjust the superheat degree of the evaporator, so that the temperature adjusting range of the evaporator is enlarged, and the requirement of large temperature span of the temperature changing warehouse is met.
Claims (3)
1. The refrigerating system suitable for the variable-temperature warehouse is characterized by comprising a compressor unit (1), a condenser (2), an evaporator (3) and an electronic expansion valve (7), wherein a liquid supply port of the compressor unit (1) is connected with a liquid inlet of the evaporator (3) through a liquid supply pipeline (9), an outlet of the evaporator (3) is connected with a return air port of the compressor unit (1) through a return air pipeline (10), an exhaust port of the compressor unit (1) is connected with an air inlet of the condenser (2) through an exhaust pipeline (11), and a liquid outlet of the condenser (2) is connected with a liquid inlet of the compressor unit (1) through a liquid dropping pipeline (12);
the electronic expansion valve (7) is arranged on the liquid supply pipeline (9).
2. A refrigeration system for a temperature change warehouse according to claim 1, wherein the liquid supply pipe (9) is further provided with a ball valve (4), a filter and a solenoid valve (6).
3. A refrigeration system for a variable temperature storage according to claim 1, wherein the return air pipe (10) is provided with a return air stop valve (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320503925.2U CN219841696U (en) | 2023-03-16 | 2023-03-16 | Refrigerating system suitable for alternating temperature storehouse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320503925.2U CN219841696U (en) | 2023-03-16 | 2023-03-16 | Refrigerating system suitable for alternating temperature storehouse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219841696U true CN219841696U (en) | 2023-10-17 |
Family
ID=88299177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320503925.2U Active CN219841696U (en) | 2023-03-16 | 2023-03-16 | Refrigerating system suitable for alternating temperature storehouse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219841696U (en) |
-
2023
- 2023-03-16 CN CN202320503925.2U patent/CN219841696U/en active Active
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