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Four-way valve

A four-way valve and spool technology, applied in the field of four-way valves, can solve the problems that the four-way valve has a single function and cannot meet the diversification requirements of the air conditioner for the flow path switching function of the four-way valve, so as to meet the requirements of diversification Effect

Active Publication Date: 2020-05-08
GUANGDONG MEIZHI PRECISION MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the four-way valve in the related art has a single function and cannot meet the diverse requirements of the air conditioner for the flow switching function of the four-way valve.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0101] refer to Figure 13-Figure 20 As shown, when the air conditioner 100 is shut down in the cooling mode, the control system of the air conditioner 100 controls the electromagnetic control part 3 to drive the valve core 2 from the first position (such as Figure 13 and Figure 18 As shown, the first control valve 41 is disconnected and the second control valve 51 is disconnected) to move to the left to the second position (such as Figure 15 and Figure 20 As shown, the first control valve 41 is disconnected and the second control valve 51 is disconnected), the first port 101 communicates with the second chamber 112 through the communication channel 211 to communicate with the third port 103, so that when the compressor 20 stops The discharge port 201 and the return port 202 of the compressor 20 can be quickly connected to achieve pressure balance.

[0102] When the air conditioner 100 controls the compressor 20 to start and switch to the cooling mode, the spool 2 chang...

Embodiment 2

[0108] refer to Figure 13-Figure 19 as well as Figure 21 As shown, when the air conditioner 100 is shut down in cooling mode, as figure 1 As shown, the control system of the air conditioner 100 controls the electromagnetic control part 3 to drive the valve core 2 from the first position (such as Figure 13 As shown, the first control valve 41 is disconnected and the second control valve 51 is disconnected) to move to the left to the second position (such as Figure 15 and Figure 21 shown, and control the first control valve 41 to disconnect and the second control valve 51 to open), the first port 101 communicates with the second chamber 112 through the communication passage 211 to communicate with the third port 103, and the third port 103 communicates with the The fourth port 104 is connected, so that when the compressor 20 stops, the discharge port 201 and the return port 202 of the compressor 20 can be quickly connected to achieve pressure balance.

[0109] When the ...

Embodiment 3

[0115] refer to Figure 13-Figure 20 As shown, when the air conditioner 100 is shut down in cooling mode, as figure 1 As shown, the control system of the air conditioner 100 controls the electromagnetic control part 3 to drive the valve core 2 from the first position (such as Figure 13 and Figure 18 As shown, the first control valve 41 is disconnected and the second control valve 51 is disconnected) to move to the left to the second position (such as Figure 15 and Figure 20 As shown, the first control valve 41 is disconnected and the second control valve 51 is disconnected), the first port 101 communicates with the second chamber 112 through the communication channel 211 to communicate with the third port 103, so that when the compressor 20 stops The discharge port 201 and the return port 202 of the compressor 20 can be quickly connected to achieve pressure balance.

[0116] When the air conditioner 100 controls the compressor 20 to start and switch to the cooling mode...

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Abstract

The invention discloses a four-way valve which comprises a valve body and a valve element. The valve body is provided with a first port, a second port, a third port and a forth port. The valve elementis movably arranged in a valve cavity and has a first position, a second position and a third position. The valve element is provided with a communicating portion protruded towards the inner wall ofthe valve cavity, the communicating portion is provided with a communicating channel, a first cavity, a second cavity and a third cavity are defined by the valve element, the communicating portion andthe inner wall of the valve cavity, the communicating channel communicates with the second cavity, and the third port communicates with the second cavity. At a first position, the first port and second port communicate with the first cavity, and a forth port communicates with the second cavity. At the second position, the first port communicates with the second cavity through the communicating channel. At the third position, the second port communicates with the second cavity, and the first port and the fourth port communicate with the third cavity. According to the four-way valve, the valveelement has the first position, and the second position and the third position, so that the diversification requirement of an air conditioner for a flow path switching function of the four-way valve can be met favorably.

Description

technical field [0001] The invention relates to the technical field of air conditioning, in particular to a four-way valve. Background technique [0002] Generally, in the air conditioning system, the refrigerant is converted between low temperature and low pressure and high temperature and high pressure through the compression of the compressor and the throttling effect of the throttling element, and the four-way valve is used to change the flow from the compressor to the heat exchanger. road, and through the heat exchange between the indoor heat exchanger and the outdoor heat exchanger and the surrounding environment, the effect of cooling or heating is realized. Among them, the four-way valve plays the role of flow path switching in the system. When the refrigerant at the compressor exhaust port is first introduced into the indoor heat exchanger, the air conditioner realizes heating operation; When the refrigerant is introduced into the outdoor heat exchanger first, the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K11/065F16K27/04F16K31/06
CPCF16K11/065F16K27/048F16K31/0603F16K31/06F16K27/04
Inventor 高斌
Owner GUANGDONG MEIZHI PRECISION MFG
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