CN220250148U - Indoor unit and air source heat pump system - Google Patents
Indoor unit and air source heat pump system Download PDFInfo
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- CN220250148U CN220250148U CN202321714386.3U CN202321714386U CN220250148U CN 220250148 U CN220250148 U CN 220250148U CN 202321714386 U CN202321714386 U CN 202321714386U CN 220250148 U CN220250148 U CN 220250148U
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- indoor unit
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- pipeline
- installation area
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 88
- 239000003507 refrigerant Substances 0.000 claims abstract description 53
- 238000009434 installation Methods 0.000 claims abstract description 25
- 238000010438 heat treatment Methods 0.000 claims abstract description 19
- 239000000725 suspension Substances 0.000 claims description 9
- 230000002411 adverse Effects 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 description 13
- 239000007789 gas Substances 0.000 description 12
- 239000007788 liquid Substances 0.000 description 12
- 239000002918 waste heat Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- Other Air-Conditioning Systems (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
The utility model discloses an indoor unit and an air source heat pump system, wherein the indoor unit comprises: a housing including a first mounting region and a second mounting region inside, the first mounting region being laminated with the second mounting region; the water pump is arranged in the first installation area; the indoor heat exchanger is arranged in the second installation area and comprises a water circulation inlet, a water circulation outlet, a first refrigerant port and a second refrigerant port, wherein the water circulation inlet is used for being connected with an outlet of an external air conditioner and/or a floor heating device through a pipeline after passing through a water pump, the water circulation outlet is used for being connected with an inlet of the external air conditioner and/or the floor heating device through a pipeline, and the first refrigerant port and the second refrigerant port are used for being connected with an external host through refrigerant circulation pipelines. According to the utility model, the indoor heat exchanger is integrated into the indoor unit, so that the space of the outdoor host is saved, and the indoor heat exchanger can be prevented from being adversely affected by outdoor low temperature.
Description
Technical Field
The utility model relates to the technical field of indoor units, in particular to an indoor unit and an air source heat pump system.
Background
The plate change of the existing air energy heat pump two-supply or multi-supply system is integrated into the outdoor unit, and the plate change is easily adversely affected by outdoor low temperature.
Disclosure of Invention
Accordingly, it is desirable to provide an indoor unit and an air-source heat pump system in order to solve the above-mentioned problems.
The technical scheme adopted for solving the technical problems is as follows: an indoor unit is configured, comprising:
a housing including a first mounting region and a second mounting region inside the housing, the first mounting region being laminated with the second mounting region;
the water pump is arranged in the first installation area;
the indoor heat exchanger is arranged in the second installation area and comprises a water circulation inlet, a water circulation outlet, a first refrigerant port and a second refrigerant port, wherein the water circulation inlet is used for being connected with an external air conditioner and/or an outlet of a floor heating device through a pipeline after passing through the water pump, the water circulation outlet is used for being connected with the external air conditioner and/or an inlet of the floor heating device through a pipeline, and the first refrigerant port and the second refrigerant port are used for being connected with an external host through a refrigerant circulation pipeline.
In one embodiment, in the indoor unit according to the present utility model, the indoor unit further includes:
the water flow switch valve is arranged in the first installation area and is arranged on a pipeline of the water circulation outlet.
In one embodiment, in the indoor unit according to the present utility model, the housing further includes a third installation area, and the third installation area is located on the same side of the first installation area and the second installation area;
the indoor unit further includes:
the buffer water tank is arranged in the third installation area, and the buffer water tank is arranged at the inlet end of the water pump.
In one embodiment, in the indoor unit according to the present utility model, the indoor unit further includes:
the exhaust pipeline and the automatic exhaust valve are installed in the third installation area, the exhaust pipeline is communicated with the outside and the upper part of the buffer water tank, and the automatic exhaust valve is arranged on the exhaust pipeline.
In one embodiment, in the indoor unit according to the present utility model, the indoor unit further includes:
the water draining pipeline and the water draining valve are arranged in the third installation area, the water draining pipeline is communicated with the outside and the lower part of the buffer water tank, and the water draining valve is arranged on the water draining pipeline.
In one embodiment, in the indoor unit according to the present utility model, the indoor unit further includes:
and the pressure buffer is arranged in the first installation area and is arranged at the inlet end of the water pump.
In one embodiment, in the indoor unit according to the present utility model, the indoor unit further includes:
the differential pressure bypass pipeline and the differential pressure bypass valve are installed in the first installation area, the differential pressure bypass pipeline is communicated with the water pump inlet and the water circulation outlet, and the differential pressure bypass valve is arranged on the differential pressure bypass pipeline.
In one embodiment, in the indoor unit according to the present utility model, the indoor unit further includes:
and the controller is arranged in the first installation area and is used for controlling all electric control components in the shell.
In one embodiment, in the indoor unit according to the present utility model, the indoor unit further includes:
a suspension structure for suspension from an external fixture, the suspension structure being provided on the housing exterior.
The utility model also constructs an air source heat pump system which comprises the indoor unit of any one of the above.
By implementing the utility model, the following beneficial effects are achieved:
according to the utility model, the indoor heat exchanger is integrated into the indoor unit, so that the space of an outdoor host is saved, and the indoor heat exchanger can be prevented from being adversely affected by outdoor low temperature.
Drawings
The utility model will be further described with reference to the accompanying drawings and examples, in which:
fig. 1 is a schematic diagram of the indoor unit according to the present utility model;
FIG. 2 is a schematic view of the first mounting area and the second mounting area in the right view of FIG. 1;
FIG. 3 is a schematic view of the third mounting area in the left view of FIG. 1;
fig. 4 is a schematic connection diagram of the indoor unit, the air conditioner, the floor heating device and the host according to the present utility model.
Detailed Description
For a clearer understanding of technical features, objects and effects of the present utility model, a detailed description of embodiments of the present utility model will be made with reference to the accompanying drawings.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "disposed," and "located" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or chemically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
As shown in fig. 1 and 2, an embodiment of the present utility model discloses an indoor unit 10, including:
a housing 101, wherein a first mounting region 1011 and a second mounting region 1012 are included in the housing 101, and the first mounting region 1011 and the second mounting region 1012 are laminated, as shown in fig. 2;
a water pump 102, where the water pump 102 is mounted on the first mounting area 1011, for example, the water pump 102 is a variable frequency water pump;
an indoor heat exchanger 103, the indoor heat exchanger 103 is mounted in the second mounting area 1012, the indoor heat exchanger 103 includes a water circulation inlet 1031, a water circulation outlet 1032, a first refrigerant port 1033 and a second refrigerant port 1034, the water circulation inlet 1031 is used for being connected with an outlet of the external air conditioner 20 and/or the floor heating device 30 through a pipeline after passing through the water pump 102, the water circulation outlet 1032 is used for being connected with an inlet of the external air conditioner 20 and/or the floor heating device 30 through a pipeline, and the first refrigerant port 1033 and the second refrigerant port 1034 are used for being connected with the external host 40 through refrigerant circulation pipelines. For example, the indoor heat exchanger 103 is a plate heat exchanger, and exchanges heat with water of the external air conditioner 20 and/or the floor heating device 30.
In this embodiment, the indoor unit 10 further includes:
a water flow switching valve 104, the water flow switching valve 104 is mounted on the first mounting area 1011, and the water flow switching valve 104 is disposed on a pipeline of the water circulation outlet 1032. For example, the water flow switching valve 104 is a solenoid valve.
In this embodiment, as shown in fig. 1 and 3, the housing 101 further includes a third mounting area 1013 inside the housing 101, and the third mounting area 1013 is located on the same side of the first mounting area 1011 and the second mounting area 1012.
The indoor unit 10 further includes:
a buffer tank 105, the buffer tank 105 is mounted on the third mounting region 1013, and the buffer tank 105 is provided at an inlet end of the water pump 102.
In this embodiment, the indoor unit 10 further includes:
an exhaust pipe 106 and an automatic exhaust valve 107, the exhaust pipe 106 and the automatic exhaust valve 107 being mounted to the third mounting region 1013, the exhaust pipe 106 communicating the outside with the upper portion of the buffer tank 105, the automatic exhaust valve 107 being provided on the exhaust pipe 106.
In this embodiment, the indoor unit 10 further includes:
a drain pipe 108 and a drain valve 109, wherein the drain pipe 108 and the drain valve 109 are installed in the third installation area 1013, the drain pipe 108 communicates with the outside and the lower part of the buffer water tank 105, and the drain valve 109 is provided on the drain pipe 108. For example, the drain valve 109 is a solenoid valve.
In this embodiment, the indoor unit 10 further includes:
and a pressure damper 110, wherein the pressure damper 110 is mounted on the first mounting region 1011, and the pressure damper 110 is provided at an inlet end of the water pump 102. Preferably, a pressure buffer 110 is provided at the inlet end of the buffer tank 105, said pressure buffer 110 being an expansion tank.
In this embodiment, the indoor unit 10 further includes:
a differential pressure bypass line 111 and a differential pressure bypass valve 112, wherein the differential pressure bypass line 111 and the differential pressure bypass valve 112 are mounted on the first mounting area 1011, the differential pressure bypass line 111 communicates with the water pump 102 inlet and the water circulation outlet 1032, and the differential pressure bypass valve 112 is provided on the differential pressure bypass line 111. For example, the differential pressure bypass valve 112 is a solenoid valve.
In this embodiment, the indoor unit 10 further includes:
a controller is mounted to the first mounting area 1011 for controlling various electrically controlled components within the housing 101, such as the water pump 102, the water flow switch valve 104, the drain valve 109, and the differential pressure bypass valve 112.
In this embodiment, the indoor unit 10 further includes:
a suspension structure for suspension on an external fixture, said suspension structure being provided on the outside of said housing 101. For example, the hanging structure is a hook which is hung on a wall.
As shown in fig. 4, an embodiment of the present utility model discloses an air-source heat pump system, which includes the indoor unit 10 described in the above embodiment, and will not be described herein. Further comprises: the air conditioner 20 and/or the floor heating device 30, and a host 40 located outdoors. For example, the air energy heat pump system is an air energy heat pump two-unit or three-unit system.
The main unit 40 comprises a compressor 401, a heat recovery heat exchanger 402, a reversing valve 403, an outdoor side heat exchanger 404, a throttling device 405 and a domestic water tank 406.
Wherein, the heat recovery heat exchanger 402 heats the domestic water flowing through by heat exchange, and the heat recovery heat exchanger 402 is a double pipe heat exchanger, which includes: a cold water inlet 4021, a hot water outlet 4022, a refrigerant inlet 4023, and a refrigerant outlet 4024.
The cold water inlet 4021 and the hot water outlet 4022 are connected to the domestic water tank 406. The outlet of the compressor 401 is connected to the refrigerant inlet 4023, the refrigerant outlet 4024 is connected to the first port 4031 of the reversing valve 403, and the inlet of the compressor 401 is connected to the second port 4032 of the reversing valve 403.
The third valve port 4033 of the reversing valve 403 is connected to the third refrigerant port 4041 of the outdoor heat exchanger 404. One path of the fourth refrigerant port 4042 of the outdoor heat exchanger 404 is connected to the inlet of the throttling device 405, and the other path is connected to the outlet of the throttling device 405, specifically, the path is connected to the inlet of the throttling device 405 through the liquid storage container 409, that is, not directly connected to the inlet of the throttling device 405;
the fourth port 4044 of the reversing valve 403 is connected to the first refrigerant port 1033 of the indoor heat exchanger 103. One path of the second refrigerant port 1034 of the indoor heat exchanger 103 is connected to the outlet of the throttling device 405, and the other path is connected to the inlet of the throttling device 405, and the path is specifically connected to the inlet of the throttling device 405 through the liquid storage container 409, that is, not directly connected.
In this embodiment, the host 40 further includes:
a bypass line 407, said bypass line 407 communicating an outlet of said compressor 401 with said first valve port 4031. The bypass line 407 may be configured to use waste heat (partial heat) to heat the domestic water.
And, the host 40 further includes:
a first on-off valve 408, wherein the first on-off valve 408 is provided on a refrigerant line communicating the outlet of the compressor 401 with the refrigerant inlet 4023 and/or on the bypass line 407. For example, the first switching valve 408 is a solenoid valve.
When waste heat recovery, i.e., a part of heat is required for heating the domestic water, both the first switching valves 408 are simultaneously opened. When total heat recovery, i.e., when all heat is needed for heating the domestic water, the first switch valve 408 on the bypass line 407 is closed, and only the first switch valve 408 on the refrigerant line connecting the outlet of the compressor 401 and the refrigerant inlet 4023 is opened. When the domestic hot water reaches the set temperature, the first switch valve 408 on the refrigerant pipeline connecting the outlet of the compressor 401 and the refrigerant inlet 4023 can be closed, and only the first switch valve 408 on the bypass pipeline 407 can be opened.
In this embodiment, the host 40 further includes:
the liquid storage container 409 is used for storing liquid refrigerant, and the liquid storage container 409 is arranged at the inlet end of the throttling device 405.
In this embodiment, the host 40 further includes: a first check valve 410, a second check valve 411, a third check valve 412 and a fourth check valve 413.
The first check valve 410 is disposed on a refrigerant pipe that communicates the second refrigerant port 1034 with the inlet of the throttle device 405, and the refrigerant flows from the second refrigerant port 1034 to the inlet of the throttle device 405.
The second check valve 411 is disposed on a refrigerant pipe that communicates the outlet of the throttle device 405 with the fourth refrigerant port 4042, and the refrigerant flows from the outlet of the throttle device 405 to the fourth refrigerant port 4042.
The third check valve 412 is disposed on a refrigerant pipe that communicates the fourth refrigerant port 4042 with the inlet of the throttle device 405, and the refrigerant flows from the fourth refrigerant port 4042 to the inlet of the throttle device 405.
The fourth check valve 413 is disposed on a refrigerant pipe that communicates the outlet of the throttling device 405 with the second refrigerant port 1034, and the refrigerant flows from the outlet of the throttling device 405 to the second refrigerant port 1034.
Specifically, when the air conditioner 20 is refrigerating in summer, the air-source heat pump system operates in the following manner: the heat recovery heat exchanger 402, the reversing valve 403, the outdoor heat exchanger 404, the throttling device 405, the indoor heat exchanger 103 and the air conditioner 20, the reversing valve 403, the compressor 401, the refrigerant firstly passes through the compressor 401 and then becomes high-temperature high-pressure gas, then the high-temperature high-pressure gas heats the flowing domestic water in the heat recovery heat exchanger 402 through heat exchange to generate high-temperature domestic hot water, after heating, part of heat is consumed, the high-temperature high-pressure gas passes through the reversing valve 403 and then enters the outdoor heat exchanger 404 (condenser) to improve condensation efficiency when condensation heat is released, the high-temperature high-pressure gas is condensed and released and then becomes medium-temperature high-pressure liquid, the medium-temperature high-pressure liquid passes through the throttling device 405 and then becomes low-temperature low-pressure liquid, finally the low-temperature low-pressure liquid is subjected to heat exchange with circulating water in the air conditioner 20 in the indoor heat exchanger 103 (evaporator), the air conditioner 20 blows cold air, the low-temperature low-pressure liquid is evaporated and becomes low-temperature low-pressure gas, and the low-temperature low-pressure gas passes through the reversing valve 403 and then returns to the compressor 401 after heat absorption.
When the air conditioner 20 and the floor heating device 30 heat in winter, the air-source heat pump system operates in the following manner: the heat recovery device comprises a compressor 401, a heat recovery heat exchanger 402, a reversing valve 403, an indoor heat exchanger 103, an air conditioner 20 and a floor heating device 30, a throttling device 405, an outdoor heat exchanger 404, the reversing valve 403, the compressor 401, wherein a refrigerant firstly passes through the compressor 401 and then becomes high-temperature high-pressure gas, then the high-temperature high-pressure gas heats domestic water flowing through the heat recovery heat exchanger 402 through heat exchange to generate high-temperature domestic hot water, the high-temperature high-pressure gas passes through the reversing valve 403 and then enters the indoor heat exchanger 103 (condenser) to exchange heat with circulating water of the air conditioner 20 and the floor heating device 30, the air conditioner 20 blows hot air and the floor heating device 30 to generate heat, the high-temperature high-pressure gas is condensed and released to become medium-temperature high-pressure liquid after passing through the throttling device 405, finally the low-temperature low-pressure liquid is evaporated by the outdoor heat exchanger 404 (evaporator) and then becomes low-temperature low-pressure gas, and finally the low-temperature high-pressure gas is evaporated by the outdoor heat exchanger 404 and then passes through the reversing valve 403 and then returns to the reciprocating compressor 401.
It should be noted that the heat recovery heat exchanger 402 is not required to pass through during the cooling and heating processes, but only during the waste heat recovery or total heat recovery, and if the hot water reaches a certain temperature, the heat from the compressor 401 may also directly reach the reversing valve 403.
By implementing the utility model, the following beneficial effects are achieved:
according to the utility model, the indoor heat exchanger is integrated into the indoor unit, so that the space of an outdoor host is saved, and the indoor heat exchanger can be prevented from being adversely affected by outdoor low temperature.
It is to be understood that the above examples represent only some embodiments of the utility model, which are described in more detail and are not to be construed as limiting the scope of the utility model; it should be noted that, for a person skilled in the art, the above embodiments or technical features may be freely combined, and several variations and modifications may be made, without departing from the spirit of the utility model, which fall within the scope of the utility model, i.e. the embodiments described in "some embodiments" may be freely combined with any of the above and below embodiments; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (10)
1. An indoor unit, comprising:
a housing including a first mounting region and a second mounting region inside the housing, the first mounting region being laminated with the second mounting region;
the water pump is arranged in the first installation area;
the indoor heat exchanger is arranged in the second installation area and comprises a water circulation inlet, a water circulation outlet, a first refrigerant port and a second refrigerant port, wherein the water circulation inlet is used for being connected with an external air conditioner and/or an outlet of a floor heating device through a pipeline after passing through the water pump, the water circulation outlet is used for being connected with the external air conditioner and/or an inlet of the floor heating device through a pipeline, and the first refrigerant port and the second refrigerant port are used for being connected with an external host through a refrigerant circulation pipeline.
2. The indoor unit of claim 1, further comprising:
the water flow switch valve is arranged in the first installation area and is arranged on a pipeline of the water circulation outlet.
3. The indoor unit of claim 1, wherein the housing interior further comprises a third mounting area, the third mounting area being located on the same side of the first and second mounting areas;
the indoor unit further includes:
the buffer water tank is arranged in the third installation area, and the buffer water tank is arranged at the inlet end of the water pump.
4. The indoor unit of claim 3, further comprising:
the exhaust pipeline and the automatic exhaust valve are installed in the third installation area, the exhaust pipeline is communicated with the outside and the upper part of the buffer water tank, and the automatic exhaust valve is arranged on the exhaust pipeline.
5. The indoor unit of claim 3, further comprising:
the water draining pipeline and the water draining valve are arranged in the third installation area, the water draining pipeline is communicated with the outside and the lower part of the buffer water tank, and the water draining valve is arranged on the water draining pipeline.
6. The indoor unit of claim 1, further comprising:
and the pressure buffer is arranged in the first installation area and is arranged at the inlet end of the water pump.
7. The indoor unit of claim 1, further comprising:
the differential pressure bypass pipeline and the differential pressure bypass valve are installed in the first installation area, the differential pressure bypass pipeline is communicated with the water pump inlet and the water circulation outlet, and the differential pressure bypass valve is arranged on the differential pressure bypass pipeline.
8. The indoor unit of claim 1, further comprising:
and the controller is arranged in the first installation area and is used for controlling all electric control components in the shell.
9. The indoor unit of claim 1, further comprising:
a suspension structure for suspension from an external fixture, the suspension structure being provided on the housing exterior.
10. An air-source heat pump system comprising the indoor unit according to any one of claims 1 to 9.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321369707 | 2023-05-31 | ||
| CN2023213697070 | 2023-05-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220250148U true CN220250148U (en) | 2023-12-26 |
Family
ID=89229883
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321728970.4U Active CN220287814U (en) | 2023-05-31 | 2023-06-30 | Outdoor unit and air source heat pump system |
| CN202321717228.3U Active CN220417725U (en) | 2023-05-31 | 2023-06-30 | Air-source heat pump system |
| CN202321714386.3U Active CN220250148U (en) | 2023-05-31 | 2023-06-30 | Indoor unit and air source heat pump system |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321728970.4U Active CN220287814U (en) | 2023-05-31 | 2023-06-30 | Outdoor unit and air source heat pump system |
| CN202321717228.3U Active CN220417725U (en) | 2023-05-31 | 2023-06-30 | Air-source heat pump system |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN220287814U (en) |
-
2023
- 2023-06-30 CN CN202321728970.4U patent/CN220287814U/en active Active
- 2023-06-30 CN CN202321717228.3U patent/CN220417725U/en active Active
- 2023-06-30 CN CN202321714386.3U patent/CN220250148U/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN220287814U (en) | 2024-01-02 |
| CN220417725U (en) | 2024-01-30 |
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