CN219199539U - Six-constant air source heat pump system - Google Patents
Six-constant air source heat pump system Download PDFInfo
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- CN219199539U CN219199539U CN202320225324.XU CN202320225324U CN219199539U CN 219199539 U CN219199539 U CN 219199539U CN 202320225324 U CN202320225324 U CN 202320225324U CN 219199539 U CN219199539 U CN 219199539U
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Abstract
The utility model aims to solve the technical problem of providing a six-constant air source heat pump system, which can realize direct expansion type cooling and dehumidification, has high dehumidification efficiency, good effect, no influence on normal refrigeration efficiency and low cost, and comprises a main compressor, a gas-liquid separator and a four-way valve, wherein the four-way valve comprises a port 1, a port 2, a port 3 and a port 4, and also comprises a dehumidification compressor, and the port 3 of the four-way valve is sequentially connected with the gas-liquid separator, the main compressor and the port 1 of the four-way valve; the port No. 2 of the four-way valve and the exhaust port of the dehumidification compressor are communicated with an air heat exchanger together, the other end of the air heat exchanger is communicated with a liquid storage device, the other end of the liquid storage device is respectively communicated with a dehumidification fresh air unit and a water heat exchanger, and the other ends of the dehumidification fresh air unit and the water heat exchanger are respectively correspondingly communicated with the air suction port of the dehumidification compressor and the port No. 4 of the four-way valve.
Description
Technical Field
The utility model relates to the technical field of renewable energy source application healthy residences, in particular to a six-constant air source heat pump system.
Background
The six-constant system is a system device which is totally called as a constant temperature, constant humidity, constant oxygen, constant clean, constant static and constant intelligence system and consists of a heat pump host, an indoor tail end, a fresh air module, a dehumidifying and humidifying module, an intelligent control system and the like, and adopts the technologies of radiation heating, radiation cooling, fresh air replacement, dehumidifying and humidifying filtration, indoor environment monitoring, APP control, remote background monitoring and the like to realize indoor constant temperature, constant humidity, constant oxygen, constant static, constant clean and constant intelligence.
In the six-constant system, two main types of system modes exist at present, one type is that an air source heat pump under the working condition of summer provides low-temperature cold water for supplying and dehumidifying a fresh air handling unit for dehumidification, and meanwhile, a water mixing center provides high-temperature cold water for supplying and cooling a terminal radiation cooling device for cooling, and a heat pump dehumidifier disclosed in the prior patent document (publication number is CN 103017404B) comprises an air treatment system, a refrigerant circulation system and a cooling water circulation system. The air treatment system comprises a second evaporator, a first condenser and a blower, wherein the air to be treated sequentially passes through the second evaporator, the first condenser and the blower; refrigeration cycle system: the outlet of the compressor is connected with the first condenser and the second condenser which are connected in parallel, the inlet of the compressor is connected with the first evaporator and the second evaporator which are connected in parallel, the first evaporator and the second evaporator which are connected in parallel are connected with each other after being connected in parallel, and correspondingly, an electromagnetic valve, an expansion valve and the like which are connected in parallel are also arranged, and the flow direction of the refrigerant is changed through the electromagnetic valve to realize the switching of the refrigeration cycle and the heating cycle of the heat pump. In another mode, the dehumidifying fresh air unit is independently matched with the outdoor unit, direct expansion cooling and dehumidifying are adopted, and the tail end radiation cooling source is independently matched with the high-temperature cold water air source heat pump.
The two modes have low refrigeration efficiency, complex system design, high manufacturing cost and difficult installation, and are especially oriented to high-rise building users, and the system cannot be used due to limited installation positions.
Disclosure of Invention
The utility model aims to solve the technical problem of providing the six-constant air source heat pump system, which can realize direct expansion type cooling and dehumidification, has high dehumidification efficiency and good effect, does not influence normal refrigeration efficiency, and has low cost.
The utility model is realized by the following technical scheme:
the six-constant air source heat pump system comprises a main compressor, a gas-liquid separator and a four-way valve, wherein the four-way valve comprises a No. 1 port, a No. 2 port, a No. 3 port and a No. 4 port, and also comprises a dehumidifying compressor, and the No. 3 port of the four-way valve is sequentially connected with the gas-liquid separator, the main compressor and the No. 1 port of the four-way valve;
the port No. 2 of the four-way valve and the exhaust port of the dehumidification compressor are communicated with an air heat exchanger together, the other end of the air heat exchanger is communicated with a liquid storage device, the other end of the liquid storage device is respectively communicated with a dehumidification fresh air unit and a water heat exchanger, and the other ends of the dehumidification fresh air unit and the water heat exchanger are respectively correspondingly communicated with the air suction port of the dehumidification compressor and the port No. 4 of the four-way valve.
Further, the other end of the air heat exchanger is communicated with the other end of the liquid reservoir through a first auxiliary path, and a first electromagnetic valve is arranged on the first auxiliary path.
Further, the front end and the rear end of the dehumidifying fresh air handling unit are respectively provided with a second electromagnetic valve and a third electromagnetic valve.
Further, one end of the water heat exchanger is communicated with one end of the liquid reservoir through a second auxiliary path, a first one-way valve is arranged on the second auxiliary path, and a second one-way valve is arranged between the air heat exchanger and one end of the liquid reservoir.
Further, the front end of the dehumidifying fresh air unit is communicated with the front end of the water heat exchanger through a pipeline with a fourth electromagnetic valve, and the rear end of the dehumidifying fresh air unit is communicated with the front end of the water heat exchanger through a pipeline with a fifth electromagnetic valve.
Compared with the prior art, the utility model has the following beneficial effects:
1) The direct expansion dehumidification of the dehumidification fresh air unit and the production of high-temperature cold water can be realized through the cooperation of the dehumidification compressor, the main compressor, the dehumidification fresh air unit and the water heat exchanger; the dehumidification efficiency is high, the energy efficiency ratio of the unit is high, the installation space is saved, the installation is convenient, and the cost is low;
2) The dehumidifying compressor and the main compressor share one air heat exchanger, so that the heat exchange area can be effectively utilized, the heating working condition in winter is not needed, and the heat exchange effect is good;
3) When heating in winter, can provide heat for the room, heat low temperature air through dehumidification fresh air handling unit simultaneously, satisfy six permanent demands.
Drawings
FIG. 1 is a schematic diagram of a six-constant air source heat pump system according to the present utility model;
in the figure: 1. the device comprises an air heat exchanger 2, a dehumidification compressor 3, a main compressor 4, a four-way valve 5, a gas-liquid separator 6, a water heat exchanger 7, a dehumidification fresh air unit 8, a second one-way valve 9, a first auxiliary way 10, a first electromagnetic valve 11, a second electromagnetic valve 12, a liquid storage device 13, a third electromagnetic valve 14, a second auxiliary way 15, a first one-way valve 16, a fourth electromagnetic valve 17 and a fifth electromagnetic valve.
Detailed Description
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments in accordance with the present disclosure. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The embodiment discloses six constant air source heat pump system, as shown in fig. 1, including main compressor 3, dehumidification compressor 2, gas-liquid separator 5, reservoir 12, cross valve 4, dehumidification fresh air unit 7 and water heat exchanger 6, cross valve 4 includes No. 1 port, no. 2 port, no. 3 port and No. 4 port, and No. 3 port of cross valve 4 links gradually through the pipeline to gas-liquid separator 5, main compressor 3 and No. 1 port of cross valve 4. The port No. 2 of the four-way valve 4 and the exhaust port of the dehumidification compressor 2 are communicated with the air heat exchanger 1 together through a three-way pipeline, the other end of the air heat exchanger 1 is communicated with the liquid storage device 12 through a pipeline, and a second one-way valve 8 is arranged on the pipeline between the air heat exchanger 1 and one end of the liquid storage device 12, so that the air heat exchanger 1 can flow to the liquid storage device 12 in one direction. The other end of the liquid storage 12 is respectively communicated with the dehumidifying fresh air handling unit 7 and the water heat exchanger 6 through a three-way pipeline, and the other ends of the dehumidifying fresh air handling unit 7 and the water heat exchanger 6 are respectively correspondingly communicated with the air suction port of the dehumidifying compressor 2 and the number 4 port of the four-way valve 4 through pipelines.
The other end of the air heat exchanger 1 is communicated with the other end of the liquid storage device 12 through the first auxiliary path 9, and the first electromagnetic valve 10 is arranged on the first auxiliary path 9, so that the design is convenient for switching loops. Since the dehumidifying fresh air handling unit 7 only works when dehumidification is performed, the second electromagnetic valve 11 and the third electromagnetic valve 13 are respectively arranged at the front end and the rear end of the dehumidifying fresh air handling unit 7. One end of the water heat exchanger 6 is communicated with one end of the liquid storage device 12 through a second auxiliary path 14, a first one-way valve 15 is arranged on the second auxiliary path 14, the front end of the dehumidifying fresh air handling unit 7 is communicated with the front end of the water heat exchanger 6 through a pipeline with a fourth electromagnetic valve 16, and the rear end of the dehumidifying fresh air handling unit is communicated with the front end of the water heat exchanger through a pipeline with a fifth electromagnetic valve 17.
The air heat exchanger 1 is generally positioned outdoors, the water heat exchanger 6 is positioned indoors, the utility model has the working conditions of refrigeration and heating, and the working process of the six-constant air source heat pump system is as follows:
1) During refrigeration working conditions, high-temperature and high-pressure gaseous refrigerant discharged from the main compressor 3 enters the air heat exchanger 1 through the four-way valve 4, condensate enters the liquid storage 12 through the second one-way valve 8, then throttled into a low-pressure and low-temperature gas-liquid mixture through the thermal expansion valve (because of a conventional structure and not described in detail herein), enters the water heat exchanger 6 to cool high-temperature cold water, and low-pressure gaseous refrigerant subjected to heat absorption and evaporation enters the main compressor 3 through the four-way valve 4 and the gas-liquid separator 5;
2) When the dehumidification fresh air unit 7 is required to dehumidify, the second electromagnetic valve 11 and the third electromagnetic valve 13 are opened, high-temperature and high-pressure gaseous refrigerant discharged by the dehumidification compressor 2 enters the air heat exchanger 1, condensate enters the liquid storage 12 through the second one-way valve 8, then throttled into a low-pressure and low-temperature gas-liquid mixture through the thermal expansion valve, enters the dehumidification fresh air unit 7, dehumidifies the high-humidity fresh air, and absorbs heat and evaporates the low-pressure gaseous refrigerant to be sucked into the dehumidification compressor 2;
3) When heating is needed in winter, the system is switched into a heating working condition through the four-way valve 4, the first electromagnetic valve 10 is opened, high-temperature high-pressure gaseous refrigerant discharged from the main compressor 3 enters the water heating pipeline of the water heat exchanger 6 through the four-way valve 4, condensate enters the liquid storage 12 through the second auxiliary pipeline 14 and the first one-way valve 15, then throttled into a low-pressure gas-liquid mixture through the thermal expansion valve to enter the air heat exchanger 1, heat of outdoor air is absorbed for gasification, and low-pressure gaseous refrigerant steam enters the main compressor 3 through the four-way valve 4 and the gas-liquid separator 5;
4) When fresh air is heated in winter, the fourth electromagnetic valve 16 and the fifth electromagnetic valve 17 are opened, high-temperature and high-pressure gaseous refrigerant discharged from the main compressor 3 enters the water heat exchanger 6 and the dehumidifying fresh air unit 7 through the four-way valve 4, and the dehumidifying fresh air unit 7 heats the fresh air. The condensate enters the liquid storage 12 through the second auxiliary passage 14 and the first one-way valve 15, then throttled into a low-pressure gas-liquid mixture through the thermal expansion valve, enters the air heat exchanger 1, absorbs heat of outdoor air to gasify, and the low-pressure gas-state refrigerant vapor enters the main compressor 3 through the four-way valve 4 and the gas-liquid separator 5.
According to the utility model, through the cooperation of the dehumidification compressor 2, the main compressor 3, the dehumidification fresh air unit 7 and the water heat exchanger 6, the direct expansion dehumidification of the dehumidification fresh air unit 7 can be realized, and high-temperature cold water can be produced; the dehumidifying efficiency is high, the energy efficiency ratio of the unit is high, the installation space is saved, the installation is convenient, and the manufacturing cost is low.
Claims (5)
1. The six-constant air source heat pump system comprises a main compressor, a gas-liquid separator and a four-way valve, wherein the four-way valve comprises a No. 1 port, a No. 2 port, a No. 3 port and a No. 4 port, and the six-constant air source heat pump system is characterized by further comprising a dehumidifying compressor, wherein the No. 3 port of the four-way valve is sequentially connected with the gas-liquid separator, the main compressor and the No. 1 port of the four-way valve;
the port No. 2 of the four-way valve and the exhaust port of the dehumidification compressor are communicated with an air heat exchanger together, the other end of the air heat exchanger is communicated with a liquid storage device, the other end of the liquid storage device is respectively communicated with a dehumidification fresh air unit and a water heat exchanger, and the other ends of the dehumidification fresh air unit and the water heat exchanger are respectively correspondingly communicated with the air suction port of the dehumidification compressor and the port No. 4 of the four-way valve.
2. A six constant air source heat pump system according to claim 1, wherein the other end of the air heat exchanger is communicated with the other end of the reservoir through a first auxiliary passage, and a first electromagnetic valve is arranged on the first auxiliary passage.
3. The six-constant air source heat pump system according to claim 2, wherein the front end and the rear end of the dehumidifying fresh air handling unit are respectively provided with a second electromagnetic valve and a third electromagnetic valve.
4. A six constant air source heat pump system according to claim 3, wherein one end of the water heat exchanger is communicated with one end of the liquid reservoir through a second auxiliary path, a first one-way valve is arranged on the second auxiliary path, and a second one-way valve is arranged between the air heat exchanger and one end of the liquid reservoir.
5. The system of claim 4, wherein the front end of the dehumidifying fresh air handling unit is connected to the water heat exchanger by a pipeline with a fourth solenoid valve, and the rear end is connected to the water heat exchanger by a pipeline with a fifth solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320225324.XU CN219199539U (en) | 2023-02-16 | 2023-02-16 | Six-constant air source heat pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320225324.XU CN219199539U (en) | 2023-02-16 | 2023-02-16 | Six-constant air source heat pump system |
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| Publication Number | Publication Date |
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| CN219199539U true CN219199539U (en) | 2023-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320225324.XU Active CN219199539U (en) | 2023-02-16 | 2023-02-16 | Six-constant air source heat pump system |
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| CN (1) | CN219199539U (en) |
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- 2023-02-16 CN CN202320225324.XU patent/CN219199539U/en active Active
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