CN216282243U - Sensible heat defrosting system for refrigeration house - Google Patents
Sensible heat defrosting system for refrigeration house Download PDFInfo
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- CN216282243U CN216282243U CN202122974537.6U CN202122974537U CN216282243U CN 216282243 U CN216282243 U CN 216282243U CN 202122974537 U CN202122974537 U CN 202122974537U CN 216282243 U CN216282243 U CN 216282243U
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- evaporator
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- storage tank
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Abstract
The utility model discloses a sensible heat defrosting system for a refrigeration house, which comprises a refrigerating unit and an air cooler, wherein the refrigerating unit comprises a refrigerating machine shell, a condenser, a compressor and a liquid storage tank; according to the utility model, the first electromagnetic circulation valve is closed, the second electromagnetic circulation valve is opened, high-temperature and high-pressure gas in the compressor is led to the air cooler through the copper pipe, the pressure control defrosting valve is opened again, the gas enters the evaporator and is discharged from the air outlet end of the evaporator and led into the compressor for circulation, and the defrosting system is suitable for low-temperature environments such as a refrigeration house and the like, can greatly improve the defrosting efficiency of a unit, and has a certain energy-saving effect relative to heating wire defrosting.
Description
Technical Field
The utility model relates to the technical field of air coolers, in particular to a sensible heat defrosting system for a refrigeration house.
Background
A heating wire is arranged in the air cooler, after the cold storage runs for a period of time, the heating wire is started when the unit stops refrigerating, when the fins in the unit reach a certain temperature, the power supply of the heating wire is cut off, and then the air cooler is started for refrigerating; because the freezer is in low temperature state for a long time, the heater can't clear away the frosting of fin totally, if the heating time is too long, the freezer also appears overtemperature and reports an emergency and asks for help or increased vigilance too easily, can only increase the defrosting frequency, also can increase power consumption simultaneously, and the heater also damages easily.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a sensible heat defrosting system for a refrigeration house, which solves the problems that the existing refrigeration house is not completely defrosted, the temperature in the refrigeration house is ultrahigh, a heating wire is frequently started, and the loss is increased.
In order to achieve the purpose, the utility model provides the following technical scheme: a sensible heat defrosting system for a refrigeration house comprises a refrigerating unit and an air cooler, wherein the refrigerating unit comprises a refrigerating machine shell, a condenser, a compressor and a liquid storage tank, the air cooler comprises a refrigerating machine shell and an evaporator, the condenser and the compressor are fixedly connected through a copper pipe, a first electromagnetic circulation valve is fixedly arranged on the copper pipe between the condenser and the compressor, the condenser and the liquid storage tank are fixedly connected through a copper pipe, the liquid storage tank and the evaporator are fixedly connected through a copper pipe, an expansion valve is fixedly arranged on the copper pipe between the liquid storage tank and the evaporator, the compressor and the evaporator are fixedly connected through a copper pipe, a second electromagnetic circulation valve is fixedly arranged on one side, close to the compressor, of the copper pipe between the compressor and the evaporator, a pressure control defrosting valve is fixedly arranged on one side, close to the evaporator, of the copper pipe between the compressor and the evaporator, the output end of the evaporator is fixedly connected with the input end of the compressor through a copper pipe.
The condenser, the compressor and the liquid storage tank are all arranged inside the refrigeration shell, and the evaporator is arranged inside the cold air fan shell.
Wherein, the input end of the evaporator is fixedly provided with a copper tee joint.
And the copper pipe between the liquid storage tank and the evaporator is fixedly connected with one port of the copper tee joint.
And the copper pipe between the compressor and the evaporator is fixedly connected with the other port of the copper tee joint.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model introduces the high-temperature high-pressure gas discharged by the compressor into the air cooler evaporator, removes the frost layer on the outer side of the fins of the evaporator, and simultaneously ensures that the refrigerant only carries out sensible heat exchange in the evaporator without condensation; when defrosting is needed, the first electromagnetic circulation valve is closed, the second electromagnetic circulation valve is opened, high-temperature and high-pressure gas in the compressor is led to the air cooler through the copper pipe, the pressure control defrosting valve is opened again, the gas enters the evaporator and is discharged from the air outlet end of the evaporator to be led into the compressor for circulation.
Drawings
FIG. 1 is a schematic view of a partial cross-sectional structure of a front view of the present invention.
In the figure: 10. a refrigeration unit; 11. a refrigeration housing; 12. a condenser; 13. a compressor; 14. a liquid storage tank; 15. a first electromagnetic flow valve; 16. a second electromagnetic flow valve; 20. an air cooler; 21. a cold air blower housing; 22. an evaporator; 23. a copper tee; 24. an expansion valve; 25. the pressure controls the defrost valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a sensible heat defrosting system for a refrigeration house comprises a refrigerating unit 10 and an air cooler 20, wherein the refrigerating unit 10 comprises a refrigerating machine shell 11, a condenser 12, a compressor 13 and a liquid storage tank 14, the air cooler 20 comprises a cold fan shell 21 and an evaporator 22, the condenser 12, the compressor 13 and the liquid storage tank 14 are all arranged inside the refrigerating machine shell 11, the evaporator 22 is arranged inside the cold fan shell 21, the output end of the condenser 12 is fixedly connected with the input end of the compressor 13 through a copper pipe, a first electromagnetic circulation valve 15 is fixedly arranged on the copper pipe between the condenser 12 and the compressor 13, the output end of the condenser 12 is fixedly connected with the input end of the liquid storage tank 14 through a copper pipe, the output end of the liquid storage tank 14 is fixedly connected with the input end of the evaporator 22 through a copper pipe, an expansion valve 24 is fixedly arranged on the copper pipe between the liquid storage tank 14 and the evaporator 22, the output end of the compressor 13 is fixedly connected with the input end of the evaporator 22 through a copper pipe, a second electromagnetic circulation valve 16 is fixedly arranged on one side, close to the compressor 13, of the copper pipe between the compressor 13 and the evaporator 22, a pressure control defrosting valve 25 is fixedly arranged on one side, close to the evaporator 22, of the copper pipe between the compressor 13 and the evaporator 22, and the output end of the evaporator 22 is fixedly connected with the input end of the compressor 13 through the copper pipe.
When the cold air needs to be delivered, the second electromagnetic flow valve 16 is closed, the first electromagnetic flow valve 15 and the expansion valve 24 are opened, then the condenser 12 generates the cold air, then the condenser 12 delivers the cold air into the liquid storage tank 14, then water drops generated by condensation of the cold air are stored in the liquid storage tank 14, and then the cold air is delivered into the evaporator 22 through the copper pipe, so that the cold air is generated in the refrigeration house for cooling.
When defrosting is required, the first electromagnetic circulation valve 15 and the expansion valve 24 are closed, the second electromagnetic circulation valve 16 is opened, high-temperature and high-pressure gas in the compressor 13 is led to the air cooler 20 through a copper pipe, the pressure control defrosting valve 25 is opened, the gas enters the evaporator 22 and is discharged from the air outlet end of the evaporator 22 to be led into the compressor 13 for circulation, and the defrosting system is suitable for low-temperature environments such as a refrigeration house.
Wherein, the input end of the evaporator 22 is fixedly provided with a copper tee 23; the copper pipe between the liquid storage tank 14 and the evaporator 22 is fixedly connected with one port of the copper tee 23; the copper pipe between the compressor 13 and the evaporator 22 is fixedly connected with the other port of the copper tee 23.
Wherein, the liquid storage tank 14 and the compressor 13 are respectively fixedly connected with the input end of the evaporator 22 through a copper tee 23, when refrigeration is needed, the expansion valve 24 is opened, and then the cold air generated by the condenser 12 is conveyed into the evaporator 22 through the liquid storage tank 14, thereby forming cold air cooling in the refrigeration house; when defrosting is needed, the expansion valve 24 is closed, the second electromagnetic circulation valve 16 and the pressure control defrosting valve 25 are opened, high-temperature and high-pressure gas in the compressor 13 is led to the air cooler 20 through a copper pipe, the pressure control defrosting valve 25 is opened, the gas enters the evaporator 22 and is discharged from the air outlet end of the evaporator 22 to be led into the compressor 13 for circulation, and the defrosting effect is achieved.
The working principle is as follows: when the cold air is required to be conveyed, the second electromagnetic circulation valve 16 is closed, the first electromagnetic circulation valve 15 and the expansion valve 24 are opened, then the condenser 12 generates cold air, then the condenser 12 conveys the cold air into the liquid storage tank 14, then water drops generated by condensation of the cold air are stored in the liquid storage tank 14, and then the cold air is conveyed into the evaporator 22 through the copper pipe, so that the cold air is generated in the cold storage for cooling; when defrosting is needed, the first electromagnetic circulation valve 15 and the expansion valve 24 are closed, the second electromagnetic circulation valve 16 is opened, high-temperature and high-pressure gas in the compressor 13 is led to the air cooler 20 through a copper pipe, the pressure control defrosting valve 25 is opened, the gas enters the evaporator 22 and is discharged from the air outlet end of the evaporator 22 to be led into the compressor 13 for circulation, and the defrosting system is suitable for low-temperature environments such as a refrigeration house.
It should be noted that although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a sensible heat defrost system for freezer, includes refrigerating unit (10) and air-cooler (20), its characterized in that: the refrigeration unit (10) comprises a refrigeration shell (11), a condenser (12), a compressor (13) and a liquid storage tank (14), the air cooler (20) comprises a cold fan shell (21) and an evaporator (22), the condenser (12) is fixedly connected with the compressor (13) through a copper pipe, a first electromagnetic circulation valve (15) is fixedly mounted on the copper pipe between the condenser (12) and the compressor (13), the condenser (12) is fixedly connected with the liquid storage tank (14) through the copper pipe, the liquid storage tank (14) is fixedly connected with the evaporator (22) through the copper pipe, an expansion valve (24) is fixedly mounted on the copper pipe between the liquid storage tank (14) and the evaporator (22), the compressor (13) is fixedly connected with the evaporator (22) through the copper pipe, and a second electromagnetic circulation valve (16) is fixedly mounted on one side, close to the compressor (13), of the copper pipe between the compressor (13) and the evaporator (22), and a pressure control defrosting valve (25) is fixedly installed on one side, close to the evaporator (22), of the copper pipe between the compressor (13) and the evaporator (22), and the output end of the evaporator (22) is fixedly connected with the input end of the compressor (13) through the copper pipe.
2. The sensible heat defrost system for a cold store of claim 1, wherein: the condenser (12), the compressor (13) and the liquid storage tank (14) are all arranged inside the refrigeration machine shell (11), and the evaporator (22) is arranged inside the cold air fan shell (21).
3. The sensible heat defrost system for a cold store of claim 1, wherein: and a copper tee joint (23) is fixedly arranged at the input end of the evaporator (22).
4. The sensible heat defrost system for a cold store of claim 3, wherein: the copper pipe between the liquid storage tank (14) and the evaporator (22) is fixedly connected with one port of the copper tee joint (23).
5. The sensible heat defrost system for a cold store of claim 4, wherein: and a copper pipe between the compressor (13) and the evaporator (22) is fixedly connected with the other port of the copper tee joint (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122974537.6U CN216282243U (en) | 2021-11-30 | 2021-11-30 | Sensible heat defrosting system for refrigeration house |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122974537.6U CN216282243U (en) | 2021-11-30 | 2021-11-30 | Sensible heat defrosting system for refrigeration house |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216282243U true CN216282243U (en) | 2022-04-12 |
Family
ID=81040385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122974537.6U Active CN216282243U (en) | 2021-11-30 | 2021-11-30 | Sensible heat defrosting system for refrigeration house |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216282243U (en) |
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2021
- 2021-11-30 CN CN202122974537.6U patent/CN216282243U/en active Active
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