CN212274321U - Air source heat pump with heat radiation structure - Google Patents
Air source heat pump with heat radiation structure Download PDFInfo
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- CN212274321U CN212274321U CN202021306082.XU CN202021306082U CN212274321U CN 212274321 U CN212274321 U CN 212274321U CN 202021306082 U CN202021306082 U CN 202021306082U CN 212274321 U CN212274321 U CN 212274321U
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- heat dissipation
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Abstract
The utility model relates to a heat pump heat dissipation technical field, concretely relates to air source heat pump with heat radiation structure, include: the compressor, the first heat exchanger, the throttling structure and the second heat exchanger are connected in a closed mode; and the heat dissipation structure is arranged between the throttling structure and the second heat exchanger and is close to the frequency conversion module, and the heat dissipation structure comprises a first fan and a refrigerant circulation pipeline communicated with the throttling structure and the second heat exchanger. The utility model provides an air source heat pump that radiating effect is good, and unit efficiency is high has heat radiation structure.
Description
Technical Field
The utility model relates to a heat pump heat dissipation technical field, concretely relates to air source heat pump with heat radiation structure.
Background
The existing variable-frequency air source heat pump generally adopts an air cooling mode to cool a power device of a frequency converter module, namely, an air port is arranged near the frequency converter module, and the frequency converter module is cooled and radiated by exhausting air to the air port so as to ensure the normal and reliable work of a unit. The heat dissipation mode utilizes air flow to carry out exchange heat dissipation, the heat dissipation effect is poor when the unit is in refrigeration operation, and the cost of the unit needs to be increased for achieving a good effect; when the unit heats, the heat generated by the frequency conversion module is directly discharged to the air, the energy utilization rate is low, and the energy efficiency of the unit is influenced.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the air source heat pump radiating effect among the prior art poor, influences the defect of unit efficiency to it is good to provide a radiating effect, and the high air source heat pump that has heat radiation structure of unit efficiency.
In order to solve the technical problem, the utility model provides an air source heat pump with heat radiation structure, include:
the compressor, the first heat exchanger, the throttling structure and the second heat exchanger are connected in a closed mode;
and the heat dissipation structure is arranged between the throttling structure and the second heat exchanger and is close to the frequency conversion module, and the heat dissipation structure comprises a first fan and a refrigerant circulation pipeline communicated with the throttling structure and the second heat exchanger.
The air source heat pump with the heat dissipation structure is characterized in that the refrigerant circulation pipeline is in a coil pipe shape and covers the surface of the frequency conversion module.
The air source heat pump with the heat dissipation structure is characterized in that the refrigerant circulation pipeline is arranged at the top of the compressor.
The air source heat pump with the heat dissipation structure is characterized in that the first heat exchanger is a plate heat exchanger, and the second heat exchanger is a fin heat exchanger.
The air source heat pump with the heat dissipation structure further comprises a shell, wherein the compressor, the first heat exchanger, the throttling structure and the second heat exchanger are all arranged in the shell, an opening is formed in the position, corresponding to the frequency conversion module, of the shell, and the first fan corresponds to the opening.
The air source heat pump with the heat dissipation structure is characterized in that an air channel communicated with the frequency conversion module is arranged between the opening and the first fan, and a valve is arranged at the air channel.
The air source heat pump with the heat dissipation structure is characterized in that the throttling structure comprises a first electronic expansion valve and a second electronic expansion valve which are connected in series, an economizer is arranged between the first electronic expansion valve and the second electronic expansion valve, and the economizer is further connected with the first heat exchanger and the compressor.
The utility model discloses technical scheme has following advantage:
1. the utility model provides an air source heat pump with heat radiation structure sets up heat radiation structure between throttle structure and second heat exchanger, and heat radiation structure is close to the frequency conversion module setting, including first fan and with the refrigerant circulation pipeline of throttle structure and second heat exchanger intercommunication. Therefore, when the unit operates, the frequency conversion module can be subjected to air cooling heat dissipation through the first fan, the refrigerant in the refrigerant circulation pipeline and the frequency conversion module can be used for liquid cooling heat dissipation, the heat dissipation effect is good, the refrigerant in the refrigerant circulation pipeline and the frequency conversion module participate in the circulation of the unit after heat exchange, and when the unit operates in heating, the heat can be utilized so as to improve the energy efficiency of the unit.
2. The utility model provides an air source heat pump with heat radiation structure, refrigerant circulation pipeline are the coil pipe form, cover on frequency conversion module's surface to increase and frequency conversion module's heat transfer area improves the radiating effect.
3. The utility model provides an air source heat pump with heat radiation structure, the setting of casing opening part valve can be when the unit heats circulation, closes the valve in wind channel department between first fan and the frequency conversion module for the heat that the frequency conversion module produced is whole to be absorbed by the refrigerant in the refrigerant circulation pipeline, improves the heating capacity and the efficiency ratio of unit.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an air source heat pump with a heat dissipation structure according to the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 with a second heat exchanger removed;
fig. 3 is a schematic structural view of the frequency conversion module and the refrigerant circulation pipeline in fig. 1;
fig. 4 is a schematic view of the working principle of the air source heat pump with the heat dissipation structure provided by the present invention.
Description of reference numerals:
1. a housing; 2. a compressor; 3. a four-way reversing valve; 4. a first heat exchanger; 5. a reservoir; 6. a filter; 7. a second heat exchanger; 8. a gas-liquid separator; 9. a second fan; 10. a first electronic expansion valve; 11. a second electronic expansion valve; 12. an economizer; 13. a first fan; 14. a refrigerant circulation line; 15. a frequency conversion module; 16. and (4) a valve.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
One embodiment of the air source heat pump with the heat dissipation structure shown in fig. 1 to 4 includes a compressor 2, a four-way reversing valve 3, a first heat exchanger 4, an accumulator 5, a filter 6, a throttling structure, a second heat exchanger 7 and a gas-liquid separator 8, which are arranged in a casing 1 and are connected in a closed manner. The first heat exchanger 4 is a side plate heat exchanger, and the side plate heat exchanger is connected with a water using end and provides hot water or cold water after exchanging heat with a refrigerant; the second heat exchanger 7 is a heat source side fin type heat exchanger, and a second fan 9 is arranged on one side of the heat source side fin type heat exchanger to improve the heat exchange effect. The throttling structure comprises a first electronic expansion valve 10 and a second electronic expansion valve 11 which are connected in series, an economizer 12 is arranged between the first electronic expansion valve 10 and the second electronic expansion valve 11, the economizer 12 is also connected with the first heat exchanger 4 through a filter 6 and a liquid storage device 5, and meanwhile, the economizer 12 is also connected with an air supplement port of the compressor 2 so as to press gaseous refrigerant after heat exchange into the compressor 2 again for continuous compression.
A heat dissipation structure is arranged between the second electronic expansion valve 11 and the second heat exchanger 7, the heat dissipation structure comprises a first fan 13 and a refrigerant circulation pipeline 14 communicated with the second electronic expansion valve 11 and the second heat exchanger 7, the first fan 13 is arranged corresponding to an opening on the shell 1, the opening is arranged corresponding to the frequency conversion module 15, and the first fan 13 draws air at the opening so as to dissipate heat of the frequency conversion module 15; the refrigerant circulation pipeline 14 is attached to the frequency conversion module 15, and dissipates heat to the frequency conversion module 15 through refrigerant contact.
Specifically, the refrigerant circulation line 14 is disposed at the top of the compressor 2 on the right side of the casing 1. The refrigerant circulation pipeline 14 is in a coil pipe shape and covers the surface of the frequency conversion module 15.
In order to facilitate the control of the opening and closing of the first fan 13, an air duct communicated with the frequency conversion module 15 is arranged between the opening and the first fan 13, and a valve 16 is arranged at the air duct. During the refrigeration cycle, the valve 16 is opened, and the air cooling heat dissipation of the first fan 13 and the liquid cooling heat dissipation of the refrigerant circulation pipeline 14 are simultaneously performed to ensure the heat dissipation effect; during heating circulation, the valve 16 is closed, and heat dissipation is performed only through liquid cooling of the refrigerant circulation pipeline 14, so that heat generated by the unit frequency conversion module 15 is fully utilized for circulation, and the heating capacity and the energy efficiency of the unit are improved.
During refrigeration cycle, high-temperature and high-pressure gaseous refrigerant in the compressor 2 enters through an upper opening of the four-way reversing valve 3, flows out through a lower right opening, enters the second heat exchanger 7 to be discharged into low-temperature and high-pressure liquid refrigerant, then enters the refrigerant circulation pipeline 14, because the temperature of the refrigerant is lower than that of the frequency conversion module 15 at the moment, the refrigerant and the frequency conversion module 15 perform heat exchange, the refrigerant absorbs heat generated by the frequency conversion module 15 to dissipate heat, meanwhile, a valve 16 at the opening is opened, the first fan 13 performs air cooling heat dissipation on the frequency conversion module 15, the refrigerant after heat absorption is throttled by the second electronic expansion valve 11 to become low-temperature and low-pressure liquid refrigerant, and then the refrigerant sequentially enters the first heat exchanger 4 through the economizer 12, the filter 6 and the liquid reservoir 5 to absorb heat of water in the first heat exchanger 4 to cool the refrigerant so as to provide cold water for a user end, and the refrigerant, enters through the opening at the left side of the lower part of the four-way reversing valve 3, flows out from the middle opening of the lower part, enters the gas-liquid separator 8, returns to the compressor 2 again, is compressed into a high-temperature high-pressure gaseous refrigerant, and continues to circulate.
During the heating cycle, high-temperature and high-pressure gaseous refrigerant in the compressor 2 enters through an upper opening and a lower left opening of the four-way reversing valve 3, enters the first heat exchanger 4 to release heat to heat water in the first heat exchanger 4, and provides hot water for a user, the refrigerant after heat release becomes low-temperature and high-pressure liquid refrigerant, after passing through the liquid reservoir 5 and the filter 6, one part of the refrigerant directly enters the economizer 12, the other part of the refrigerant is throttled by the first electronic expansion valve 10 and then is converted into low-temperature and low-pressure liquid refrigerant to enter the economizer 12, the two parts of refrigerant generate heat exchange due to the temperature difference, the gaseous refrigerant after heat exchange returns to the compressor 2 through a pipeline communicated with the economizer 12 to be compressed, the liquid refrigerant enters a refrigerant circulation pipeline 14 to exchange heat with the frequency conversion module 15 after being throttled again by the second electronic expansion valve 11, and a valve 16 at the opening is closed, the air duct between the frequency conversion module 15 and the first fan 13 is closed, so that heat generated by the frequency conversion module 15 is absorbed and utilized to the maximum extent, the refrigerant enters the second heat exchanger 7, and continuously absorbs external heat to become a low-temperature low-pressure gaseous refrigerant, and the low-temperature low-pressure gaseous refrigerant enters the right opening at the lower part of the four-way reversing valve 3, flows out from the middle opening at the lower part of the four-way reversing valve, enters the gas-liquid separator 8, returns to the compressor 2 again, is compressed into a high-temperature high-pressure gaseous refrigerant, and.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (7)
1. An air source heat pump with a heat dissipation structure is characterized by comprising:
the compressor (2), the first heat exchanger (4), the throttling structure and the second heat exchanger (7) are connected in a closed mode;
and the heat dissipation structure is arranged between the throttling structure and the second heat exchanger (7) and is close to the frequency conversion module (15), and the heat dissipation structure comprises a first fan (13) and a refrigerant circulation pipeline (14) communicated with the throttling structure and the second heat exchanger (7).
2. The air source heat pump with the heat dissipation structure as recited in claim 1, wherein the refrigerant circulation pipeline (14) is coil-shaped and covers a surface of the frequency conversion module (15).
3. The air source heat pump with the heat dissipation structure as recited in claim 2, wherein the refrigerant circulation line (14) is disposed at a top of the compressor (2).
4. The air source heat pump with the heat dissipation structure according to any one of claims 1 to 3, wherein the first heat exchanger (4) is a plate heat exchanger and the second heat exchanger (7) is a fin heat exchanger.
5. The air source heat pump with the heat dissipation structure according to any one of claims 1 to 3, further comprising a housing (1), wherein the compressor (2), the first heat exchanger (4), the throttling structure and the second heat exchanger (7) are all disposed in the housing (1), an opening is disposed in a position of the housing (1) corresponding to the frequency conversion module (15), and the first fan (13) is disposed corresponding to the opening.
6. The air source heat pump with the heat dissipation structure as recited in claim 5, wherein an air duct communicated with the frequency conversion module (15) is arranged between the opening and the first fan (13), and a valve (16) is arranged at the air duct.
7. The air source heat pump with a heat dissipation structure according to any one of claims 1-3, wherein the throttling structure comprises a first electronic expansion valve (10) and a second electronic expansion valve (11) connected in series, an economizer (12) is arranged between the first electronic expansion valve (10) and the second electronic expansion valve (11), and the economizer (12) is further connected with the first heat exchanger (4) and the compressor (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021306082.XU CN212274321U (en) | 2020-07-06 | 2020-07-06 | Air source heat pump with heat radiation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021306082.XU CN212274321U (en) | 2020-07-06 | 2020-07-06 | Air source heat pump with heat radiation structure |
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| Publication Number | Publication Date |
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| CN212274321U true CN212274321U (en) | 2021-01-01 |
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| CN202021306082.XU Active CN212274321U (en) | 2020-07-06 | 2020-07-06 | Air source heat pump with heat radiation structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111664608A (en) * | 2020-07-06 | 2020-09-15 | 浙江正理生能科技有限公司 | Air source heat pump with heat radiation structure |
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2020
- 2020-07-06 CN CN202021306082.XU patent/CN212274321U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111664608A (en) * | 2020-07-06 | 2020-09-15 | 浙江正理生能科技有限公司 | Air source heat pump with heat radiation structure |
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