CN210569339U - Combined refrigerant system - Google Patents
Combined refrigerant system Download PDFInfo
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- CN210569339U CN210569339U CN201921383403.3U CN201921383403U CN210569339U CN 210569339 U CN210569339 U CN 210569339U CN 201921383403 U CN201921383403 U CN 201921383403U CN 210569339 U CN210569339 U CN 210569339U
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Abstract
The utility model discloses a combined refrigerant system, which is characterized in that a one-way valve bridge is arranged below a compressor, a heat return pipe is arranged below an evaporator, the inlet of the compressor is connected with a gas-liquid separator, and the outlet of the compressor is connected with a four-way valve interface a; a four-way valve interface d is connected with a gas-liquid separator, a four-way valve interface b is connected with an inlet of a condenser, and a four-way valve connecting pipe c is connected with one end of an evaporator; the one-way valve bridge is provided with four interfaces, the first interface is connected with the outlet of the condenser, the second interface is connected with one end of the regenerative tube, and the other end of the regenerative tube is connected with the inlet of the liquid storage device; the third interface is connected with the other end of evaporimeter, and the fourth interface is connected with throttling mechanism, and throttling mechanism is connected with the reservoir export. The advantage is that check valve bridge and backheat pipe combination can enough prevent effectively that the chassis from frosting, also can reduce high-pressure, reduce compressor power, improve the energy efficiency ratio, make the unit operation more reliable, stability is better.
Description
Technical Field
The utility model relates to a heat pump field especially relates to a modular refrigerant system.
Background
The problem that a heat pump or an air conditioner outdoor unit is installed in a low-temperature area is solved, namely, the problem of chassis drainage is solved, once the outdoor temperature is lower than 0 ℃ for a long time, a unit is defrosted and operates, a frost layer on an evaporator is melted and then flows to a chassis, the frost layer is discharged out of the unit through a drain hole in the chassis, the chassis drainage is always remained, the remained condensate water is frozen to cause the drain hole in the chassis to be iced and blocked, the problem that the chassis is prevented from freezing is solved by installing electric heating on most of drainage water on the chassis of the heat pump or the air conditioner outdoor unit in the current market, and the problems of potential safety hazard, energy saving and.
Disclosure of Invention
The utility model aims at providing a modular refrigerant system, simple structure is reasonable, makes up with backheating pipe with one-way valve bridge, has solved above technical problem.
In order to realize the technical purpose, reach foretell technical requirement, the utility model discloses the technical scheme who adopts is: a combined refrigerant system comprises a compressor and a condenser; the method is characterized in that: the condenser is arranged on the left side of the compressor, a four-way valve is arranged above the compressor, a one-way valve bridge is arranged below the compressor, an evaporator is arranged at the right end of the compressor, a heat return pipe is arranged below the evaporator, and an axial flow fan is arranged on the right side of the evaporator; the inlet of the compressor is connected with the gas-liquid separator, and the outlet of the compressor is connected with a four-way valve interface a; a four-way valve interface d is connected with a gas-liquid separator, a four-way valve interface b is connected with an inlet of a condenser, and a four-way valve connecting pipe c is connected with one end of an evaporator; the one-way valve bridge is provided with four interfaces, the first interface is connected with the outlet of the condenser, the second interface is connected with one end of a regenerative tube, and the other end of the regenerative tube is connected with the inlet of the liquid storage device; the third interface is connected with the other end of evaporimeter, and the fourth interface is connected with throttling mechanism, and throttling mechanism is connected with the reservoir export.
Preferably: the heat return pipe is arranged between the evaporator and the chassis.
Preferably: the evaporator and the heat return pipe are arranged in a continuous U shape.
Preferably: the gas-liquid separator is arranged on the left side of the compressor.
Preferably: the throttling mechanism is arranged on the left side of the liquid storage device, and the liquid storage device is arranged below the evaporator.
The utility model has the advantages that; a combined refrigerant system, compare with traditional structure: the left end of the compressor is provided with a condenser, the right end of the compressor is provided with an evaporator, a heat return pipe is arranged below the evaporator, a one-way valve bridge is arranged below the compressor, a first interface of the one-way valve bridge is connected with an outlet of the condenser, a second interface is connected with one end of the heat return pipe, a third interface is connected with the other end of the evaporator, and a fourth interface is connected with a throttling mechanism; through the combination of the one-way valve bridge and the heat return pipe, in refrigeration cycle or heating cycle, the heat return pipe is always kept in a high-pressure medium-temperature state before throttling, pressure reducing and temperature reducing, the phenomenon of unsmooth drainage caused by ice blockage of the chassis is effectively avoided, and the device is safe and reliable; the heat return pipe can be used as a base plate for preventing frosting, and meanwhile, in a mode of producing high-temperature hot water, the heat exchange between the heat return pipe and the ambient temperature can reduce high-pressure and reduce the power of a compressor, so that the energy efficiency ratio is improved, the unit is more reliable in operation, better in stability and more energy-saving for users.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1. a compressor; 2. a condenser; 2-1. condenser inlet; 2-2. outlet of condenser; 3. a four-way valve; 3-1, four-way valve interface a; 3-2, a four-way valve interface b; 3-3, four-way valve interface c; 3-4, four-way valve interface d; 4. a check valve body; 4-1. a first interface; 4-2. a second interface; 4-3. a third interface; 4-4. a fourth interface; 5. an evaporator; 6. a heat recovery pipe; 7. a throttle mechanism; 8. an axial flow fan; 9. a gas-liquid separator; 10. a reservoir.
Detailed Description
In order to make the object, technical solution and beneficial technical effects of the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments;
in the drawings: a combined refrigerant system comprises a compressor 1 and a condenser 2; the method is characterized in that: the condenser 2 is arranged on the left side of the compressor 1, the four-way valve 3 is arranged above the compressor 1, the one-way valve bridge 4 is arranged below the compressor 1, the evaporator 5 is arranged at the right end of the compressor 1, the heat return pipe 6 is arranged below the evaporator 5, and the axial flow fan 8 is arranged on the right side of the evaporator 5; the inlet of the compressor 1 is connected with the gas-liquid separator 9, and the outlet of the compressor 1 is connected with a four-way valve interface a 3-1; a four-way valve interface d3-4 is connected with a gas-liquid separator 9, a four-way valve interface b3-2 is connected with a condenser inlet 2-1, and a four-way valve connecting pipe c3-3 is connected with one end of an evaporator 6; the one-way valve bridge 4 is provided with four interfaces, a first interface 4-1 is connected with a condenser outlet 2-2, a second interface 4-2 is connected with one end of a heat return pipe 6, and the other end of the heat return pipe 6 is connected with an inlet of a liquid accumulator 10; the third interface 4-3 is connected with the other end of the evaporator 6, the fourth interface 4-4 is connected with a throttling mechanism 7, and the throttling mechanism 7 is connected with an outlet of the liquid storage device 10.
The evaporator 5 and the heat return pipe 6 are arranged up and down; the evaporator 5 and the heat return pipe 6 are arranged in a continuous U shape; the gas-liquid separator 9 is arranged at the left side of the compressor 1; the throttling mechanism 7 is arranged on the left side of the liquid storage device 10, and the liquid storage device 10 is arranged below the evaporator 5.
The utility model discloses a concrete implementation: when the refrigeration cycle is operated, the electric control board controls the four-way valve to have no output, namely a four-way valve interface a is communicated with a four-way valve interface c, and a four-way valve interface b is communicated with a four-way valve interface d; the high temperature gas discharged from the exhaust port of the compressor enters the evaporator after passing through a four-way valve interface a and a four-way valve interface c, the high temperature gas is changed into high pressure medium temperature liquid after coming out of the evaporator, the high pressure medium temperature liquid enters a third interface of a one-way valve bridge, the high temperature medium temperature liquid enters a heat return pipe from a second interface of the one-way valve bridge, the liquid enters a liquid storage device, the liquid enters a throttling mechanism for throttling and pressure reduction after coming out of the liquid storage device, the temperature is reduced, the low temperature low pressure liquid enters a fourth interface of the one-way valve bridge, the refrigerant cannot flow to the high pressure side interface from the low pressure side interface because the third interface of the one-way valve bridge is the high pressure side, the low pressure low temperature refrigerant liquid flows to the first interface of the one-way valve bridge from the fourth interface through the one-way valve, then enters the inlet of the condenser and passes through, after passing through the four-way valve interface b, the refrigerant returns to the gas-liquid separator through the four-way valve interface d and then enters the compressor for recompression, and a refrigeration cycle is completed.
When the heating cycle is operated, the electric control board controls the four-way valve to be electrified, namely, the four-way valve interface a is communicated with the four-way valve interface b, and the four-way valve interface c is communicated with the four-way valve interface d. The heating cycle is opposite to the refrigeration, high-temperature gas discharged from an exhaust port of the compressor enters an inlet of a condenser after passing through a four-way valve interface a and a four-way valve interface b, then exits from an outlet of the condenser under the action of the condenser, enters a first interface of a one-way valve bridge, enters a second interface from the first interface, then enters a regenerative pipe from the second interface, enters a liquid storage device after exiting from the regenerative pipe, enters a fourth interface of the one-way valve bridge through a throttling mechanism after exiting from the liquid storage device, then enters a third interface from the fourth interface, then enters an evaporator from the third interface, then enters an interface c of the four-way valve from the evaporator, returns to a gas-liquid separator through an interface d, and then enters the compressor for recompression, so that the heating cycle is completed.
The utility model is in a high-pressure and medium-temperature state before throttling, pressure reducing and temperature reducing no matter in a refrigeration cycle or a heating cycle, the heat return pipe is always kept in the high-pressure and medium-temperature state before throttling, pressure reducing and temperature reducing, thereby ensuring that the chassis contacted with the heat return pipe can not be blocked by ice; effectively avoids the phenomenon of unsmooth drainage caused by ice blockage of the chassis, and is safe and reliable. The heat return pipe can be used as a base plate for preventing frosting, and meanwhile, in a mode of producing high-temperature hot water, the heat exchange between the heat return pipe and the ambient temperature can reduce high-pressure and reduce the power of a compressor, so that the energy efficiency ratio is improved, the unit is more reliable in operation, better in stability and more energy-saving for users.
The foregoing examples are given for the purpose of illustrating the present invention in a clear and non-restrictive manner, and it will be apparent to those skilled in the art that variations and modifications of the present invention may be made in other variations and modifications based on the foregoing description, and it is not necessary or necessary to exhaustively enumerate all embodiments, and all such variations and modifications as are obvious and desirable in the art are within the scope of the present invention.
Claims (5)
1. A combined refrigerant system comprises a compressor (1) and a condenser (2); the method is characterized in that: the condenser (2) is arranged on the left side of the compressor (1), the four-way valve (3) is arranged above the compressor (1), the one-way valve bridge (4) is arranged below the compressor (1), the evaporator (5) is arranged at the right end of the compressor (1), the heat return pipe (6) is arranged below the evaporator (5), and the axial flow fan (8) is arranged on the right side of the evaporator (5); the inlet of the compressor (1) is connected with the gas-liquid separator (9), and the outlet of the compressor (1) is connected with a four-way valve interface a (3-1); a four-way valve interface d (3-4) is connected with a gas-liquid separator (9), a four-way valve interface b (3-2) is connected with a condenser inlet (2-1), and a four-way valve connecting pipe c (3-3) is connected with one end of an evaporator (5); the one-way valve bridge (4) is provided with four interfaces, a first interface (4-1) is connected with an outlet (2-2) of the condenser, a second interface (4-2) is connected with one end of a heat return pipe (6), and the other end of the heat return pipe (6) is connected with an inlet of a liquid storage device (10); the third interface (4-3) is connected with the other end of the evaporator (5), the fourth interface (4-4) is connected with a throttling mechanism (7), and the throttling mechanism (7) is connected with an outlet of the liquid storage device (10).
2. The combined refrigerant system as claimed in claim 1, wherein: the heat return pipe (6) is arranged at the joint of the evaporator (5) and the chassis.
3. The combined refrigerant system as claimed in claim 2, wherein: the evaporator (5) and the heat return pipe (6) are arranged in a continuous U shape.
4. The combined refrigerant system as claimed in claim 1, wherein: the gas-liquid separator (9) is arranged on the left side of the compressor (1).
5. The combined refrigerant system as claimed in claim 1, wherein: the throttling mechanism (7) is arranged on the left side of the liquid storage device (10), and the liquid storage device (10) is arranged below the evaporator (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921383403.3U CN210569339U (en) | 2019-08-24 | 2019-08-24 | Combined refrigerant system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921383403.3U CN210569339U (en) | 2019-08-24 | 2019-08-24 | Combined refrigerant system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210569339U true CN210569339U (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921383403.3U Active CN210569339U (en) | 2019-08-24 | 2019-08-24 | Combined refrigerant system |
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| Country | Link |
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| CN (1) | CN210569339U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113074474A (en) * | 2021-04-12 | 2021-07-06 | 长虹美菱股份有限公司 | Intermediate liquid collection energy storage evaporator and efficient refrigerating system thereof |
-
2019
- 2019-08-24 CN CN201921383403.3U patent/CN210569339U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113074474A (en) * | 2021-04-12 | 2021-07-06 | 长虹美菱股份有限公司 | Intermediate liquid collection energy storage evaporator and efficient refrigerating system thereof |
| CN113074474B (en) * | 2021-04-12 | 2022-06-07 | 长虹美菱股份有限公司 | Intermediate liquid collection energy storage evaporator and efficient refrigerating system thereof |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 214500 68-10 North Third Ring Road, Chengbei Park, Jingjiang Economic Development Zone, Taizhou, Jiangsu Patentee after: JIANGSU JIXIANG AIR CONDITIONING EQUIPMENT Co.,Ltd. Address before: No. 68-10, North Third Ring Road, Chengbei Park, Jingjiang Economic Development Zone, Nantong City, Jiangsu Province Patentee before: JIANGSU JIXIANG AIR CONDITIONING EQUIPMENT Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |