CN204202231U - A kind of double evaporators air source heat pump - Google Patents
A kind of double evaporators air source heat pump Download PDFInfo
- Publication number
- CN204202231U CN204202231U CN201420523171.8U CN201420523171U CN204202231U CN 204202231 U CN204202231 U CN 204202231U CN 201420523171 U CN201420523171 U CN 201420523171U CN 204202231 U CN204202231 U CN 204202231U
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- China
- Prior art keywords
- evaporimeter
- magnetic valve
- pipeline
- condenser
- filter
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- Expired - Lifetime
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- 239000007788 liquid Substances 0.000 claims abstract description 14
- 230000008676 import Effects 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 abstract description 8
- 238000010257 thawing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
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- Defrosting Systems (AREA)
Abstract
The utility model discloses a kind of double evaporators air source heat pump, comprise the first evaporimeter, the second evaporimeter, vapour liquid separator, compressor, condenser, filter and expansion valve; The first described evaporimeter, the second evaporimeter, vapour liquid separator, compressor, condenser, filter and expansion valve are linked to be loop successively by pipeline, and wherein, the first evaporimeter and the second evaporimeter are connected in parallel between vapour liquid separator and expansion valve; Described, the import and export of the first evaporimeter and the second evaporimeter, all by the connecting line between pipeline connection condenser and filter, each pipeline are provided with necessary magnetic valve.Double evaporators air source heat pump of the present utility model, adopting double evaporators, heating for being switched to another evaporimeter during winter heating defrost gap, and carry out defrost with partial heat, guarantee that room temperature can not turn cold very soon, energy-conserving and environment-protective, it is convenient to control, and has good practicality.
Description
Technical field
The utility model belongs to air-conditioner set technical field, is specifically related to a kind of double evaporators air source heat pump.
Background technology
Existing air conditioner with air-source heat pump group, primary structure comprises and being made up of compressor, condenser, evaporimeter, expansion valve, gas-liquid separator, connecting line.Major function is that the summer is in refrigeration, heating in winter.But when evaporimeter defrost, can affect result of use, unit also will freeze while can not heating.
Utility model content
Goal of the invention: for the deficiencies in the prior art, the purpose of this utility model is to provide a kind of double evaporators air source heat pump, adopt double evaporators, heat for being switched to another evaporimeter during winter heating defrost gap, and carry out defrost with partial heat, guarantee that room temperature is stablized.
Technical scheme: in order to realize foregoing invention object, the technical solution adopted in the utility model is:
A kind of double evaporators air source heat pump, comprises the first evaporimeter, the second evaporimeter, vapour liquid separator, compressor, condenser, filter and expansion valve; The first described evaporimeter, the second evaporimeter, vapour liquid separator, compressor, condenser, filter and expansion valve are linked to be loop successively by pipeline, and wherein, the first evaporimeter and the second evaporimeter are connected in parallel between vapour liquid separator and expansion valve; Described, the import and export of the first evaporimeter and the second evaporimeter, all by the connecting line between pipeline connection condenser and filter, each pipeline are provided with necessary magnetic valve.
Pipeline between described expansion valve with the first evaporimeter is connected the first magnetic valve, the pipeline between expansion valve with the second evaporimeter is connected the second magnetic valve.
Connecting line between described condenser and filter is provided with the 5th magnetic valve, the import of the first evaporimeter and the second evaporimeter is all by the connecting line between pipeline connection filter and the 5th magnetic valve, the outlet of the first evaporimeter and the second evaporimeter is all by the connecting line between pipeline connection condenser and the 5th magnetic valve, the 4th magnetic valve is established in the outlet of the first evaporimeter and the pipeline of the connecting line be communicated with between condenser and the 5th magnetic valve, the 3rd magnetic valve is established in the outlet of the second evaporimeter and the pipeline of the connecting line be communicated with between condenser and the 5th magnetic valve.
When working under winter condition (when needing defrosting), the 5th closed electromagnetic valve, when the first evaporimeter frosting, the second magnetic valve, the 4th magnetic valve are opened, the first magnetic valve, the 3rd closed electromagnetic valve.When the second evaporimeter frosting, the first magnetic valve, the 3rd magnetic valve are opened, the second magnetic valve, the 4th closed electromagnetic valve.When non-winter condition runs, the 5th magnetic valve is opened.
Beneficial effect: compared with prior art, double evaporators air source heat pump of the present utility model, adopt double evaporators, heat for being switched to another evaporimeter during winter heating defrost gap, and carry out defrost with partial heat, guarantee that room temperature can not turn cold very soon, energy-conserving and environment-protective, it is convenient to control, and has good practicality.
Accompanying drawing explanation
Fig. 1 is the structural representation of double evaporators air source heat pump.
Detailed description of the invention
Below in conjunction with specific embodiment, the utility model is further described.
As shown in Figure 1, double evaporators air source heat pump, critical piece comprises two evaporimeters (the first evaporimeter 1, second evaporimeter 2, vapour liquid separator 3, compressor 4, condenser 5, filter 6 and expansion valve 7.First evaporimeter 1, second evaporimeter 2, vapour liquid separator 3, compressor 4, condenser 5, filter 6 and expansion valve 7 are linked to be heat supplying loop successively by pipeline, and wherein, the first evaporimeter 1 and the second evaporimeter 2 are connected in parallel between vapour liquid separator 3 and expansion valve 7.Pipeline between expansion valve 7 with the first evaporimeter 1 is connected the first magnetic valve 8, the pipeline between expansion valve 7 with the second evaporimeter 2 is connected the second magnetic valve 9.Connecting line between condenser 5 and filter 6 is provided with the 5th magnetic valve 12, the import of the first evaporimeter 1 and the second evaporimeter 2 is all by the connecting line between pipeline connection filter 6 and the 5th magnetic valve 12, the outlet of the first evaporimeter 1 and the second evaporimeter 2 is all by the connecting line between pipeline connection condenser 5 and the 5th magnetic valve 12, the 4th magnetic valve 11 is established in the outlet of the first evaporimeter 1 and the pipeline of the connecting line be communicated with between condenser 5 and the 5th magnetic valve 12, the 3rd magnetic valve 10 is established in the outlet of the second evaporimeter 2 and the pipeline of the connecting line be communicated with between condenser 5 and the 5th magnetic valve 12.
When working under winter condition (when needing defrosting), the 5th magnetic valve 12 cuts out, and when the first evaporimeter 1 frosting, the second magnetic valve 9, the 4th magnetic valve 11 are opened, and the first magnetic valve 8, the 3rd magnetic valve 11 are closed.When the second evaporimeter 2 frosting, the first magnetic valve 8, the 3rd magnetic valve 11 are opened, and the second magnetic valve 9, the 4th magnetic valve 11 are closed.When non-winter condition runs, the 5th magnetic valve 12 is opened.
Double evaporators air source heat pump of the present utility model, adopts double evaporators, heating, and carrying out defrost with partial heat, being unlikely to room temperature is turned cold very soon for being switched to another evaporimeter during winter heating defrost gap.Control the start and stop of defrost, the difference primarily of evaporator surface temperature and environment temperature carrys out the start and stop of Controlling solenoid valve.And each evaporimeter has part to communicate with the high-temp liquid before throttling, reaches the object of defrost.
Claims (3)
1. a double evaporators air source heat pump, is characterized in that: comprise the first evaporimeter (1), the second evaporimeter (2), vapour liquid separator (3), compressor (4), condenser (5), filter (6) and expansion valve (7); Described the first evaporimeter (1), the second evaporimeter (2), vapour liquid separator (3), compressor (4), condenser (5), filter (6) and expansion valve (7) are linked to be loop successively by pipeline, wherein, the first evaporimeter (1) and the second evaporimeter (2) are connected in parallel between vapour liquid separator (3) and expansion valve (7); Described the first evaporimeter (1) and the import and export of the second evaporimeter (2), all by the connecting line between pipeline connection condenser (5) and filter (6), each pipeline are provided with magnetic valve.
2. double evaporators air source heat pump according to claim 1, it is characterized in that: be connected the first magnetic valve (8) at described expansion valve (7) with on the pipeline between the first evaporimeter (1), the pipeline between expansion valve (7) with the second evaporimeter (2) be connected the second magnetic valve (9).
3. double evaporators air source heat pump according to claim 1 and 2, it is characterized in that: the connecting line between described condenser (5) and filter (6) is provided with the 5th magnetic valve (12), the import of the first evaporimeter (1) and the second evaporimeter (2) is all by the connecting line between pipeline connection filter (6) and the 5th magnetic valve (12), the outlet of the first evaporimeter (1) and the second evaporimeter (2) is all by the connecting line between pipeline connection condenser (5) and the 5th magnetic valve (12), the 4th magnetic valve (11) is established in the outlet of the first evaporimeter (1) and the pipeline of the connecting line be communicated with between condenser (5) and the 5th magnetic valve (12), the 3rd magnetic valve (10) is established in the outlet of the second evaporimeter (2) and the pipeline of the connecting line be communicated with between condenser (5) and the 5th magnetic valve (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420523171.8U CN204202231U (en) | 2014-09-12 | 2014-09-12 | A kind of double evaporators air source heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420523171.8U CN204202231U (en) | 2014-09-12 | 2014-09-12 | A kind of double evaporators air source heat pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204202231U true CN204202231U (en) | 2015-03-11 |
Family
ID=52660182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420523171.8U Expired - Lifetime CN204202231U (en) | 2014-09-12 | 2014-09-12 | A kind of double evaporators air source heat pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204202231U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105865130A (en) * | 2016-04-27 | 2016-08-17 | 青岛海尔股份有限公司 | Constant-temperature refrigerator and control method thereof |
| CN106907877A (en) * | 2017-03-10 | 2017-06-30 | 南京理工大学 | A kind of double evaporators replace defrosting net for air-source heat pump units and its Defrost method |
| CN107120831A (en) * | 2017-05-27 | 2017-09-01 | 南京理工大学 | A kind of continuous heating air friction drag |
| CN108800687A (en) * | 2018-05-21 | 2018-11-13 | 顺德职业技术学院 | Dual chamber external heat exchanger heat pump with defrosting function and defrosting method |
| CN108917219A (en) * | 2018-07-19 | 2018-11-30 | 广东芬尼克兹节能设备有限公司 | Heat pump unit removes defrosting system and its Defrost method |
| CN109405324A (en) * | 2018-11-06 | 2019-03-01 | 广东建设职业技术学院 | A kind of double evaporators air-conditioner set and its control method |
| CN113669791A (en) * | 2021-08-12 | 2021-11-19 | 珠海市金品创业共享平台科技有限公司 | Three-pipe type single-cooling air conditioning system and control method of air conditioner with same |
| CN113701375A (en) * | 2021-09-09 | 2021-11-26 | 珠海格力电器股份有限公司 | Frostless type refrigeration house and control method thereof |
| US11435124B2 (en) | 2018-02-28 | 2022-09-06 | Carrier Corporation | Refrigeration system with leak detection |
| WO2023071152A1 (en) * | 2021-10-28 | 2023-05-04 | 青岛海尔空调器有限总公司 | Air conditioner defrosting control method, control apparatus, and air conditioner |
-
2014
- 2014-09-12 CN CN201420523171.8U patent/CN204202231U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105865130A (en) * | 2016-04-27 | 2016-08-17 | 青岛海尔股份有限公司 | Constant-temperature refrigerator and control method thereof |
| CN106907877B (en) * | 2017-03-10 | 2019-05-07 | 南京理工大学 | A kind of double evaporators alternately defrosting net for air-source heat pump units and its Defrost method |
| CN106907877A (en) * | 2017-03-10 | 2017-06-30 | 南京理工大学 | A kind of double evaporators replace defrosting net for air-source heat pump units and its Defrost method |
| CN107120831A (en) * | 2017-05-27 | 2017-09-01 | 南京理工大学 | A kind of continuous heating air friction drag |
| CN107120831B (en) * | 2017-05-27 | 2019-07-16 | 南京理工大学 | A kind of continuous heating air friction drag |
| US11435124B2 (en) | 2018-02-28 | 2022-09-06 | Carrier Corporation | Refrigeration system with leak detection |
| CN108800687A (en) * | 2018-05-21 | 2018-11-13 | 顺德职业技术学院 | Dual chamber external heat exchanger heat pump with defrosting function and defrosting method |
| CN108917219A (en) * | 2018-07-19 | 2018-11-30 | 广东芬尼克兹节能设备有限公司 | Heat pump unit removes defrosting system and its Defrost method |
| CN109405324A (en) * | 2018-11-06 | 2019-03-01 | 广东建设职业技术学院 | A kind of double evaporators air-conditioner set and its control method |
| CN109405324B (en) * | 2018-11-06 | 2023-08-15 | 广东建设职业技术学院 | Double-evaporator air conditioning unit and control method thereof |
| CN113669791A (en) * | 2021-08-12 | 2021-11-19 | 珠海市金品创业共享平台科技有限公司 | Three-pipe type single-cooling air conditioning system and control method of air conditioner with same |
| CN113701375A (en) * | 2021-09-09 | 2021-11-26 | 珠海格力电器股份有限公司 | Frostless type refrigeration house and control method thereof |
| WO2023071152A1 (en) * | 2021-10-28 | 2023-05-04 | 青岛海尔空调器有限总公司 | Air conditioner defrosting control method, control apparatus, and air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150311 |