CN219674513U - Refrigerating device - Google Patents
Refrigerating device Download PDFInfo
- Publication number
- CN219674513U CN219674513U CN202320267483.6U CN202320267483U CN219674513U CN 219674513 U CN219674513 U CN 219674513U CN 202320267483 U CN202320267483 U CN 202320267483U CN 219674513 U CN219674513 U CN 219674513U
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- Prior art keywords
- compressor
- condenser
- refrigerating
- evaporator
- utility
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- 238000005057 refrigeration Methods 0.000 claims abstract description 15
- 230000002265 prevention Effects 0.000 claims abstract description 13
- 238000001704 evaporation Methods 0.000 claims description 6
- 239000003921 oil Substances 0.000 description 29
- 239000003507 refrigerant Substances 0.000 description 24
- 239000007788 liquid Substances 0.000 description 12
- 230000005484 gravity Effects 0.000 description 8
- 238000001816 cooling Methods 0.000 description 6
- 239000010687 lubricating oil Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
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Abstract
The utility model provides a refrigerating device, wherein an evaporator is connected to an inlet of a compressor, a condenser is connected to an outlet of the compressor, an anti-backflow component is arranged between the compressor and the condenser, and an anti-backflow component is added on a compressor exhaust pipe of a refrigerating system; after the compressor is started, because the exhaust pressure of the compressor is very high, the backflow prevention component can be completely opened, the compressor can normally run, and the problem that the inverted compressor is damaged due to inversion or lying when a product with the refrigeration compressor is transported or carried is solved.
Description
Technical Field
The utility model relates to the technical field of refrigeration, in particular to a refrigeration device.
Background
The refrigerating compressor is internally provided with refrigerating lubricating oil, when the compressor is inverted or laid down, the refrigerating lubricating oil in the compressor flows out from an exhaust port of the compressor and enters an exhaust pipe pipeline or a condenser, if the refrigerating lubricating oil entering the exhaust pipe pipeline or the condenser is too much, the refrigerating lubricating oil in the compressor is too little, and therefore the compressor is damaged due to oil shortage when the compressor runs.
Disclosure of Invention
The utility model aims to provide a refrigerating device which overcomes the defects in the prior art.
In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a refrigerating plant, the import of compressor is connected with the evaporimeter, the exit linkage of compressor has the condenser, the export of condenser is connected with the evaporimeter, be provided with the anti-backflow part between compressor and the condenser.
In the scheme, the compressor compresses the gaseous refrigerant into the high-temperature high-pressure gas, sends the gas to the condenser for cooling, takes away heat through the condenser, cools the refrigerant to become the medium-temperature high-pressure liquid refrigerant, throttles and reduces the pressure of the medium-temperature liquid refrigerant through the throttle valve to become a low-temperature low-pressure gas-liquid mixture, absorbs the heat in the air flowing through the evaporator for vaporization, changes the refrigerant into the gas, and then returns to the compressor for continuous compression, and continues to circulate for refrigeration. A backflow prevention component is added on a compressor exhaust pipe (close to the end of the compressor) of the refrigerating system, when the compressor is inverted or lying down, only a small part of refrigerating oil flows out of the compressor, and the backflow prevention component cannot be opened because of insufficient pressure of the part of refrigerating oil, so that the refrigerating oil can be blocked from continuously flowing out of the compressor, and after the compressor is erected, the small part of the refrigerating oil flows back to the compressor again because of gravity; after the compressor is started, because the exhaust pressure of the compressor is very high, the backflow prevention component can be completely opened, and the compressor can normally run.
As an improvement of the refrigerating device, the backflow preventing component is an electromagnetic valve.
In the above scheme, the electromagnetic valve is additionally arranged on the exhaust pipe (close to the end of the compressor) of the refrigeration system, and the electromagnetic valve is closed when the compressor is carried, so that even if the compressor is inverted or laid down, only a small part of refrigerating oil flows out of the compressor, after the compressor is upright, the small part of refrigerating oil flows back to the compressor again due to gravity, and when the compressor needs to be started and operated, the refrigerant needs to circulate through the exhaust pipe, and then the electromagnetic valve is opened, so that the compressor can normally operate.
As an improvement of the refrigerating device, the backflow preventing component is a one-way valve.
In the above scheme, a check valve (a check valve with a valve opening pressure difference) is added on a compressor exhaust pipe (close to a compressor end) of the refrigeration system, the check valve has a valve opening pressure difference, when the compressor is inverted or lying down, only a small part of refrigerating oil flows out of the compressor, the check valve cannot be opened because the pressure of the part of refrigerating oil is insufficient, so that the refrigerating oil can be blocked from continuously flowing out of the compressor, and after the compressor is upright, the small part of the refrigerating oil flowing out flows back to the compressor again because of gravity; after the compressor is started, the check valve can be completely opened because the exhaust pressure of the compressor is large, and the compressor can normally run.
As an improvement of the refrigerating device, a throttle valve is arranged between the condenser and the evaporator.
In the above scheme, the throttle valve is used for controlling the flow rate of the liquid refrigerant flowing to the evaporator from the condenser, so that the refrigeration efficiency of the evaporator is ensured.
As an improvement of the refrigerating device of the utility model, the condenser is provided with a condensing fan 7.
In the above scheme, the compressor compresses the gaseous refrigerant into high-temperature and high-pressure gas, and sends the gas to the condenser for cooling, and the heat is taken away by the air circulated by the condensing fan 7 flowing through the condenser to promote the cooling efficiency of the condenser.
As an improvement of the refrigerating device, the evaporator is provided with an evaporating fan.
In the above scheme, the medium-temperature liquid refrigerant is vaporized by the evaporator absorbing heat in the air flowing through the evaporator, the refrigerant becomes gaseous, and the evaporating fan is used for accelerating the speed that the air is absorbed by the medium-temperature liquid refrigerant in the evaporator to become cold air.
Compared with the prior art, the utility model has the beneficial effects that: a backflow prevention component is added on a compressor exhaust pipe (close to the end of the compressor) of the refrigerating system, when the compressor is inverted or lying down, only a small part of refrigerating oil flows out of the compressor, and the backflow prevention component cannot be opened because of insufficient pressure of the part of refrigerating oil, so that the refrigerating oil can be blocked from continuously flowing out of the compressor, and after the compressor is erected, the small part of the refrigerating oil flows back to the compressor again because of gravity; after the compressor is started, because the exhaust pressure of the compressor is very high, the backflow prevention component can be completely opened, the compressor can normally run, and the problem that the inverted compressor is damaged due to inversion or lying when a product with the refrigeration compressor is transported or carried is solved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.
FIG. 1 is a schematic structural diagram of embodiment 1 of the present utility model;
fig. 2 is a schematic structural diagram of embodiment 2 of the present utility model.
Arrows indicate flow direction.
1, a compressor; 2. an evaporator; 3. a condenser; 4. an electromagnetic valve; 5. a one-way valve; 6. a throttle valve; 7. a condensing fan 7; 8. an evaporation fan.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1, in a refrigeration device, an evaporator 2 is connected to an inlet of a compressor 1, a condenser 3 is connected to an outlet of the compressor 1, an outlet of the condenser 3 is connected to the evaporator 2, and a backflow preventing member is disposed between the compressor 1 and the condenser 3.
The compressor 1 compresses the gaseous refrigerant into a high-temperature high-pressure gaseous state, sends the gaseous refrigerant to the condenser 3 for cooling, takes away heat through the condenser 3, changes the cooled refrigerant into a medium-temperature high-pressure liquid refrigerant, throttles and reduces the pressure of the medium-temperature liquid refrigerant through the throttle valve 6 into a low-temperature low-pressure gas-liquid mixture, absorbs the heat in the air flowing through the evaporator 2 for vaporization, changes the refrigerant into a gaseous state, and then returns to the compressor 1 for continuous compression and continuous circulation for refrigeration. A backflow prevention component is added on an exhaust pipe (near the end of the compressor 1) of the compressor 1 of the refrigeration system, when the compressor 1 is inverted or lying down, only a small part of the refrigerating oil flows out of the compressor 1, and the part of the refrigerating oil cannot be opened because of insufficient pressure, so that the refrigerating oil can be blocked from continuously flowing out of the compressor 1, and after the compressor 1 is upright, the small part of the refrigerating oil flowing out flows back to the compressor 1 again because of gravity; after the compressor 1 is started, because the exhaust pressure of the compressor 1 is large, the backflow prevention component can be completely opened, and the compressor 1 can normally operate.
The backflow prevention component is an electromagnetic valve 4. The electromagnetic valve 4 is added on the exhaust pipe of the compressor 1 (near the end of the compressor 1) of the refrigerating system, the electromagnetic valve 4 is closed when the compressor is carried, and the whole exhaust pipe is closed, so that even if the compressor 1 is inverted or laid down, only a small part of refrigerating oil flows out of the compressor 1, after the compressor 1 is upright, the small part of the refrigerating oil flows back to the compressor 1 again due to gravity, the refrigerant is required to circulate through the exhaust pipe when the compressor 1 is required to be started, and then the electromagnetic valve 4 is opened, so that the compressor 1 can normally run.
A throttle valve 6 is arranged between the condenser 3 and the evaporator 2. The throttle valve 6 controls the flow rate of the liquid refrigerant flowing to the evaporator 2 from the condenser 3, thereby securing the refrigerating efficiency of the evaporator 2.
The condenser 3 is provided with a condensing fan 7. The compressor 1 compresses the gaseous refrigerant into a high-temperature and high-pressure gaseous state, and sends the gaseous refrigerant to the condenser 3 for cooling, and the heat is taken away by the air circulated by the condensing fan 7 flowing through the condenser 3 to improve the cooling efficiency of the condenser 3.
The evaporator 2 is provided with an evaporation fan 8. The medium-temperature liquid refrigerant is vaporized by the evaporator 2 absorbing heat in the air flowing through the evaporator 2, the refrigerant becomes gaseous, and the evaporating fan 8 is used for accelerating the speed that the air is absorbed by the medium-temperature liquid refrigerant in the evaporator 2 to become cold air.
A backflow prevention component is added on an exhaust pipe (near the end of the compressor 1) of the compressor 1 of the refrigeration system, when the compressor 1 is inverted or lying down, only a small part of the refrigerating oil flows out of the compressor 1, and the part of the refrigerating oil cannot be opened because of insufficient pressure, so that the refrigerating oil can be blocked from continuously flowing out of the compressor 1, and after the compressor 1 is upright, the small part of the refrigerating oil flowing out flows back to the compressor 1 again because of gravity; after the compressor 1 is started, because the exhaust pressure of the compressor 1 is large, the backflow prevention component can be completely opened, the compressor 1 can normally run, and the problem that the inverted compressor 1 is damaged due to inversion or lying when a product with the refrigeration compressor 1 is transported or carried is solved.
Example 2
As shown in fig. 2, the backflow preventing member is a check valve 5. A check valve 5 (a check valve 5 with a valve opening pressure difference) is added on a discharge pipe (close to the end of the compressor 1) of the compressor 1 of the refrigerating system, the check valve 5 has a valve opening pressure difference, when the compressor 1 is inverted or lying down, only a small part of refrigerating oil flows out of the compressor 1, the part of refrigerating oil cannot open the check valve 5 because of insufficient pressure, so that the refrigerating oil can be blocked from continuously flowing out of the compressor 1, and after the compressor 1 is upright, the small part of the refrigerating oil flowing out flows back to the compressor 1 again because of gravity; after the compressor 1 is started, the check valve 5 can be completely opened because the exhaust pressure of the compressor 1 is large, and the compressor 1 can normally operate.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (4)
1. The utility model provides a refrigerating plant, includes the compressor, the entrance connection of compressor has the evaporimeter, the exit linkage of compressor has the condenser, the export of condenser is connected with the evaporimeter, its characterized in that, be provided with the anti-backflow part between compressor and the condenser, the condenser is furnished with condensing fan, the evaporimeter is furnished with evaporating fan.
2. A refrigerating apparatus as recited in claim 1 wherein the backflow preventing member is a solenoid valve.
3. A refrigeration unit as recited in claim 1 wherein said backflow prevention means is a one-way valve.
4. A refrigeration unit as recited in claim 1 wherein a throttle valve is disposed between said condenser and said evaporator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320267483.6U CN219674513U (en) | 2023-02-21 | 2023-02-21 | Refrigerating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320267483.6U CN219674513U (en) | 2023-02-21 | 2023-02-21 | Refrigerating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219674513U true CN219674513U (en) | 2023-09-12 |
Family
ID=87928433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320267483.6U Active CN219674513U (en) | 2023-02-21 | 2023-02-21 | Refrigerating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219674513U (en) |
-
2023
- 2023-02-21 CN CN202320267483.6U patent/CN219674513U/en active Active
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