Heat pump system using one-way valve group

Abstract

The utility model discloses a heat pump system using a one-way valve group, which comprises a compressor, a needle valve, a gas-liquid separator, a four-way reversing valve, a heat exchanger and an electronic expansion valve, the side end of the compressor is connected with a main path electronic expansion valve, the side end of the main path electronic expansion valve is connected with the four-way reversing valve, and the other end of the main path electronic expansion valve is connected with the heat exchanger. The side end of the four-way reversing valve is connected with a one-way valve, the side end of the one-way valve is connected with a needle valve, the side end of the needle valve is provided with an economizer and a two-way liquid storage tank, the compressor is further communicated with a gas-liquid separator, the side end of the economizer is communicated with an electronic expansion valve, and the side end of the electronic expansion valve is communicated with a heat exchanger. And the side end of the heat exchanger is communicated with a bidirectional drying filter. According to the heat pump system using the one-way valve set, the purpose of controlling the one-way valve set is achieved through structural arrangement.

Description

Technical Field

[0001] The utility model relates to the technical field of heat pump systems, and particularly relates to a heat pump system using a one-way valve group. Background Technique

[0002] In the current situation of tightening energy supply and continuously improving environmental protection requirements, people are constantly seeking new energy sources that are both energy-saving and environmentally friendly, and the heat pump is one of the new energy sources. Since the heat pump can realize the function of transporting low-temperature heat energy to high-temperature heat energy, it can make extensive use of the heat in natural resources and waste heat resources, effectively saving the primary energy required for civil and industrial use. As a new heating technology, it has not only received wide attention but has also been quickly applied to practical projects and achieved good results.

[0003] The current control method is relatively complex, and the system using a one-way valve group has a simple control and needs to be improved. Content of the Utility Model

[0004] The purpose of the utility model is to provide a heat pump system using a one-way valve group to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A heat pump system using a one-way valve group includes a compressor, a needle valve, a gas-liquid separator, a four-way reversing valve, a heat exchanger, and an electronic expansion valve. A main circuit electronic expansion valve is connected to the side end of the compressor, a four-way reversing valve is connected to the side end of the main circuit electronic expansion valve, a one-way valve is connected to the side end of the four-way reversing valve, a needle valve is connected to the side end of the one-way valve, an economizer and a two-way liquid storage tank are provided at the side end of the needle valve, and the compressor is also communicated with a gas-liquid separator;

[0006] The side end of the economizer is communicated with an electronic expansion valve, the side end of the electronic expansion valve is communicated with a heat exchanger, and a two-way drying filter is provided at the side end of the heat exchanger.

[0007] Specifically, the compressor adopts a double-pass design.

[0008] Specifically, the gas-liquid separator adopts a columnar design.

[0009] Specifically, the heat exchanger adopts a bent pipe setting.

[0010] Specifically, the compressor, the needle valve, the gas-liquid separator, the four-way reversing valve, the heat exchanger, the electronic expansion valve, the economizer, the main circuit electronic expansion valve, the two-way drying filter, the one-way valve, and the two-way liquid storage tank are integrally communicated.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] During use, in the layout form shown in the figure, the structure is relatively stable, the overall vibration of the unit is small, and the failure rate is low. Most of the heat pump systems with gas injection and enthalpy increase on the market currently use a four-way reversing valve and two electromagnetic expansion valves, and adopt two check valves and a gas injection expansion valve to control the system to achieve heating and cooling adjustment, which can perform control operations more simply. Brief Description of the Drawings

[0013] Figure 1 It is a schematic diagram of the main structure of the present utility model.

[0014] In the figure: 1 - compressor, 2 - needle valve, 3 - gas-liquid separator, 4 - four-way reversing valve, 5 - heat exchanger, 6 - electronic expansion valve, 7 - economizer, 8 - main circuit electronic expansion valve, 9 - two-way drying filter, 10 - check valve, 11 - two-way liquid storage tank. Specific Embodiments

[0015] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0016] Please refer to Figure 1 , the present utility model provides a technical solution: a heat pump system using a check valve group, a heat pump system using a check valve group, including a compressor 1, a needle valve 2, a gas-liquid separator 3, a four-way reversing valve 4, a heat exchanger 5 and an electronic expansion valve 6. The side end of the compressor 1 is connected to a main circuit electronic expansion valve 8, the side end of the main circuit electronic expansion valve 8 is connected to a four-way reversing valve 4, the side end of the four-way reversing valve 4 is connected to a check valve 10, the side end of the check valve 10 is connected to a needle valve 2, the side end of the needle valve 2 is provided with an economizer 7 and a two-way liquid storage tank 11, and the compressor 1 is also communicated with a gas-liquid separator 3;

[0017] The side end of the economizer 7 is communicated with an electronic expansion valve 6, the side of the electronic expansion valve 6 is communicated with a heat exchanger 5, and the side end of the heat exchanger 5 is communicated with a two-way drying filter 9.

[0018] The compressor 1 adopts a double-pass design.

[0019] The gas-liquid separator 3 adopts a columnar design.

[0020] The heat exchanger 5 adopts a bent pipe setting.

[0021] The compressor 1, needle valve 2, gas-liquid separator 3, four-way reversing valve 4, heat exchanger 5, electronic expansion valve 6, economizer 7, main circuit electronic expansion valve 8, two-way drying filter 9, check valve 10 and two-way liquid storage tank 11 are integrally connected and arranged.

[0022] Among them, the compressor 1, needle valve 2, gas-liquid separator 3, four-way reversing valve 4, heat exchanger 5, electronic expansion valve 6, economizer 7, main circuit electronic expansion valve 8, two-way drying filter 9, check valve 10 and two-way liquid storage tank 11 are integrally connected. The compressor 1 performs compression processing work, and the gas-liquid separator 3 is used for gas-liquid separation. The four-way reversing valve 4 performs docking conversion, heat exchange processing is carried out through the heat exchanger 5, the two-way liquid storage tank 11 performs storage work, the settings of the electronic expansion valve 6 and the main circuit electronic expansion valve 8 facilitate pressure relief control work, and the two-way drying filter 9 performs drying and filtering work.

[0023] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A heat pump system using a one-way valve group, characterized in that: It includes a compressor (1), a needle valve (2), a gas-liquid separator (3), a four-way reversing valve (4), a heat exchanger (5) and an electronic expansion valve (6). A main circuit electronic expansion valve (8) is connected to the side end of the compressor (1). The side end of the main circuit electronic expansion valve (8) is connected to the four-way reversing valve (4). The side end of the four-way reversing valve (4) is connected to a check valve (10). The side end of the check valve (10) is connected to the needle valve (2). An economizer (7) and a two-way liquid storage tank (11) are provided at the side end of the needle valve (2). The compressor (1) is also communicated with the gas-liquid separator (3). The side end of the economizer (7) is communicated with the electronic expansion valve (6). The side of the electronic expansion valve (6) is communicated with the heat exchanger (5). A two-way drying filter (9) is provided at the side end of the heat exchanger (5).

2. The heat pump system using a one-way valve group according to claim 1, wherein: The compressor (1) adopts a double-pass design.

3. The heat pump system using a one-way valve group according to claim 2, wherein: The gas-liquid separator (3) adopts a columnar design.

4. A heat pump system using a one-way valve group according to claim 3, characterized in that: The heat exchanger (5) adopts a bent pipe arrangement.

5. A heat pump system using a one-way valve group according to claim 4, characterized in that: The compressor (1), the needle valve (2), the gas-liquid separator (3), the four-way reversing valve (4), the heat exchanger (5), the electronic expansion valve (6), the economizer (7), the main circuit electronic expansion valve (8), the two-way drying filter (9), the check valve (10) and the two-way liquid storage tank (11) are integrally communicated.

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