CN216282165U

CN216282165U - Heat pump throttling assembly structure and swimming pool heat pump system

Info

Publication number: CN216282165U
Application number: CN202122839913.0U
Authority: CN
Inventors: 卢盛昌; 潘清安; 李相宏
Original assignee: Guangdong Peiwo New Energy Technology Co ltd
Current assignee: Guangdong Peiwo New Energy Technology Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-04-12
Anticipated expiration: 2031-11-19

Abstract

The utility model provides a heat pump throttling component structure and a swimming pool heat pump system, which are characterized by comprising a four-port one-way valve, a refrigerating capillary tube and a heating capillary tube, wherein the heating capillary tube is connected between A2 and B2 of the four-port one-way valve, the inlet of the refrigerating capillary tube is connected with A2 of the four-port one-way valve, the outlet of the refrigerating capillary tube is the outlet of the heat pump throttling component, and the B1 port of the four-port one-way valve is the inlet of the heat pump throttling component. The throttling system is simple and convenient, has low cost, meets the requirements of large throttling of the refrigerating working condition and small throttling of the heating working condition, has no influence on the most important heating performance, and ensures that the refrigerating performance and the heating performance are optimal.

Description

Heat pump throttling assembly structure and swimming pool heat pump system

Technical Field

The utility model relates to the application field of air source heat pump technology in a swimming pool, in particular to a heat pump throttling component structure and a swimming pool heat pump system.

Background

In the existing heat pump system of the swimming pool, water is heated by absorbing heat from air by consuming certain electric energy, and the heat pump system has the characteristics of energy conservation, high efficiency and no pollution. At present, the heat pump system of the swimming pool has the following disadvantages:

1. when the swimming pool heat pump system adopts the electronic expansion valve for throttling, the cost is higher and the control is complex.

2. When the swimming pool heat pump system adopts the capillary tube with low cost to replace the electronic expansion valve for throttling, the capillary tube needs to meet the heating working condition and the refrigerating working condition, the capillary tube selected and matched under the refrigerating working condition is often larger than the capillary tube selected and matched under the heating working condition, and the most important heating performance is necessarily influenced for meeting the 2 working conditions simultaneously. Therefore, the existing design has contradiction, and the requirements of the two aspects are difficult to balance.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of how to provide a low-cost air conditioner which can better meet the requirement of large throttling of the refrigerating working condition and the requirement of small throttling of the heating working condition.

In order to solve the above problems, the present invention provides a heat pump throttling assembly structure, which is characterized by comprising a four-port check valve, a refrigeration capillary tube and a heating capillary tube, wherein the heating capillary tube is connected between a2 and B2 of the four-port check valve, an inlet of the refrigeration capillary tube is connected with a2 of the four-port check valve, an outlet of the refrigeration capillary tube is an outlet of the heat pump throttling assembly, and a B1 port of the four-port check valve is an inlet of the heat pump throttling assembly.

The utility model provides a swimming pool heat pump system, includes compressor, cross valve, fin heat exchanger, throttle subassembly and titanium pipe heat exchanger, and the compressor is connected with the D mouth of cross valve, and the C mouth of cross valve connects and connects the throttle subassembly behind the titanium pipe heat exchanger, connects the throttle subassembly to connect the fin heat exchanger, and the fin heat exchanger connects the E mouth of cross valve, connects the S mouth of cross valve to connect the compressor, its characterized in that throttle subassembly includes a four-port check valve, refrigeration capillary and heats the capillary, it connects between the A2 and the B2 of four-port check valve to heat the capillary, the entry of refrigeration capillary is connected with the A2 of four-port check valve, the export of refrigeration capillary is heat pump throttling assembly 'S export, the B1 mouth of four-port check valve is heat pump throttling assembly' S entry.

The beneficial effects brought by the implementation of the utility model are as follows: the heat pump throttling assembly is composed of a four-port one-way valve, a refrigeration capillary tube and a heating capillary tube, the throttling of the heating capillary tube in series connection is realized under the heating working condition by utilizing the one-way circulation effect of the four-port one-way valve, the refrigeration working condition is throttled by the refrigeration capillary tube, the throttling system is simple and convenient, the cost is low, the requirements of large throttling under the refrigeration working condition and small throttling under the heating working condition are met, the most important heating performance is not influenced, and the refrigeration performance and the heating performance are guaranteed to be optimal.

Drawings

FIG. 1 is a structural assembly diagram of a heat pump throttling assembly;

FIG. 2 is a block diagram of a pool heat pump system;

FIG. 3 is a control flow diagram for the cooling mode;

fig. 4 is a control flow diagram in the heating mode.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Fig. 1 is a structural assembly diagram of a heat pump throttling assembly, and includes a four-port check valve Z2, a refrigeration capillary tube Z1 and a heating capillary tube Z3, the heating capillary tube Z3 is connected between a2 and a B2 of the four-port check valve Z2, an inlet of the refrigeration capillary tube Z1 is connected with a2 of the four-port check valve Z2, an outlet of the refrigeration capillary tube Z1 is an outlet of the heat pump throttling assembly, and a B1 port of the four-port check valve Z2 is an inlet of the heat pump throttling assembly. The heat pump throttling assembly is designed particularly for a swimming pool heat pump system, the throttling assembly is simple and convenient to design, low in cost, capable of meeting the requirement that the throttling of a refrigeration working condition is large and the requirement that the throttling of a heating working condition is small, free of influence on the most important heating performance and capable of ensuring that the refrigeration performance and the heating performance are optimal.

The swimming pool heat pump system block diagram of fig. 2 is an application system of swimming pool refrigeration and heating using a heat pump throttling component, the system mainly includes a compressor 4, a four-way valve 8, a finned heat exchanger 9, a throttling component 1 and a titanium tube heat exchanger 3, the compressor is connected with a D port of the four-way valve, a C port of the four-way valve is connected with the titanium tube heat exchanger and then connected with the throttling component, the throttling component is connected with the finned heat exchanger, the finned heat exchanger is connected with an E port of the four-way valve, an S port connected with the four-way valve is connected with the compressor, and a first filter 10, a second filter 2, an axial flow fan 93, a gas collection side 92, a liquid distribution side 91, a low pressure needle valve 6, a high pressure switch 7 and a gas-liquid separator 5 are further arranged on the system; the first filter 10 and the second filter 2 are respectively disposed at both sides of the throttle assembly 1.

The main applications of the swimming pool are heating water and cooling water, and two main operation modes of the system are described below.

Firstly, a hot water making mode, and FIG. 3 is a control flow diagram in a cooling mode;

the compressor sucks low-temperature and low-pressure gaseous refrigerant, the state of the low-temperature and low-pressure gaseous refrigerant is changed into high-temperature and high-pressure gaseous state after being compressed by the compressor, the low-temperature and low-pressure gaseous refrigerant enters the titanium tube heat exchanger through the D port and the C port of the four-way valve to heat water and is condensed into high-temperature and high-pressure liquid state, the high-temperature and high-pressure liquid state is subjected to throttling and pressure reduction through the refrigeration capillary tube and is changed into medium-temperature and medium-pressure gas-liquid mixed state refrigerant after passing through the A1 port and the A2 port of the four-port one-way valve, the low-temperature and low-pressure gas-liquid mixed state refrigerant is further subjected to throttling and pressure reduction through the heating capillary tube and is changed into low-temperature and low-pressure gas-liquid mixed state refrigerant after passing through the B2 port and the B1 port of the four-port one-way valve, the low-temperature and low-pressure gas state refrigerant enters the compressor to enter the next cycle after passing through the E port and the S port of the four-way valve.

II, a water cooling mode: fig. 4 is a control flow diagram in the heating mode.

The compressor sucks low-temperature low-pressure gaseous refrigerant, the low-temperature low-pressure gaseous refrigerant is compressed by the compressor and then is changed into high-temperature high-pressure gaseous state, the high-temperature low-pressure gaseous refrigerant enters the fin heat exchanger through the D port and the E port of the four-port four-way valve to heat outdoor air, the high-temperature low-pressure gaseous refrigerant is condensed into high-temperature high-pressure liquid state, the high-temperature high-pressure liquid state passes through the second filter, enters the A1 port from the B1 port of the four-port one-way valve, is changed into low-temperature low-pressure gas-liquid mixed state refrigerant after being throttled and reduced in pressure by the refrigeration capillary tube, enters the titanium tube heat exchanger after passing through the first filter to absorb the heat of water to cool the water, is evaporated into low-temperature low-pressure gaseous state, and returns to the compressor after passing through the C port and the S port of the four-way valve to enter the next cycle.

While the utility model has been described with reference to a particular embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. A heat pump throttling component structure is characterized by comprising a four-port one-way valve, a refrigerating capillary tube and a heating capillary tube, wherein the heating capillary tube is connected between A2 and B2 of the four-port one-way valve, an inlet of the refrigerating capillary tube is connected with A2 of the four-port one-way valve, an outlet of the refrigerating capillary tube is an outlet of the heat pump throttling component, and a B1 port of the four-port one-way valve is an inlet of the heat pump throttling component.

2. The utility model provides a swimming pool heat pump system, includes compressor, cross valve, fin heat exchanger, throttle subassembly and titanium pipe heat exchanger, and the compressor is connected with the D mouth of cross valve, and the C mouth of cross valve connects and connects the throttle subassembly behind the titanium pipe heat exchanger, connects the throttle subassembly to connect the fin heat exchanger, and the fin heat exchanger connects the E mouth of cross valve, connects the S mouth of cross valve to connect the compressor, its characterized in that throttle subassembly includes a four-port check valve, refrigeration capillary and heats the capillary, it connects between the A2 and the B2 of four-port check valve to heat the capillary, the entry of refrigeration capillary is connected with the A2 of four-port check valve, the export of refrigeration capillary is heat pump throttling assembly 'S export, the B1 mouth of four-port check valve is heat pump throttling assembly' S entry.