Disclosure of Invention
To the technical problem who exists among the prior art, the utility model provides a reversing valve, include:
a body defining a cavity;
the first connecting pipe to the sixth connecting pipe are arranged on the body, and the first connecting pipe to the sixth connecting pipe are communicated with the cavity of the body;
the first sliding block and the second sliding block are movably arranged in the cavity of the body, and a first cavity and a second cavity are respectively defined by the first sliding block, the second sliding block and the inner walls of the two ends of the body;
the first partition plate is movably arranged on the inner wall of the body and is positioned between the first sliding block and the second sliding block, the first partition plate is connected with the first sliding block and the second sliding block through a first connecting piece and a second connecting piece respectively, a third chamber is defined by the first partition plate, the first sliding block, the second sliding block and the inner wall of the body, the first connecting pipe is communicated with the third chamber, and the third chamber is separated from the first chamber and the second chamber;
the second partition plate is movably arranged on the inner wall of the body and is positioned between the first partition plate and the inner wall of the body, the second partition plate is connected with the first partition plate through a third connecting piece and/or a fourth connecting piece, a fourth chamber is defined by the second partition plate, the first partition plate and the inner wall of the body, a fifth chamber is defined by the second partition plate and the inner wall of the body, and the third chamber, the fourth chamber and the fifth chamber are isolated from each other; and
the control piece drives the first sliding block to move to a first position towards the direction of the second sliding block or drives the second sliding block to move to a second position towards the direction of the first sliding block; wherein,
when the control piece drives the first sliding block to move to a first position in the direction of a second sliding block, the first connecting pipe is communicated with the second connecting pipe through the third cavity, the third connecting pipe is communicated with the sixth connecting pipe through the fourth cavity, and the fourth connecting pipe is communicated with the fifth connecting pipe through the fifth cavity;
when the control piece drives the second sliding block to move to the second position towards the direction of the first sliding block, the first connecting pipe is communicated with the fifth connecting pipe and the sixth connecting pipe through the third cavity, and the second connecting pipe is communicated with the third connecting pipe and the fourth connecting pipe through the fourth cavity.
Preferably, the first connecting pipe is disposed on a first sidewall of the body, and the second to sixth connecting pipes are disposed on a second sidewall of the body opposite to the first sidewall and are sequentially arranged.
Preferably, the control member is a solenoid valve, two ends of the solenoid valve are respectively connected to the first chamber and the second chamber, and the first slider and the second slider are driven to move by changing the pressure in the first chamber and the second chamber.
Preferably, the cross-sectional shape of the body is circular.
Preferably, the first connecting piece, the second connecting piece, the third connecting piece and the fourth connecting piece are connecting rods.
The utility model also provides an air conditioning system can switch between refrigeration and heating, and this air conditioning system includes foretell switching-over valve.
Compared with the prior art, the utility model discloses a switching-over valve and air conditioning system have following beneficial effect at least:
the utility model discloses a switching-over valve can make six connecting pipes conveniently 2, 2 intercommunication mode and 3, 3 switch between the intercommunication mode, compare with the scheme that uses two cross valves simultaneously among the prior art, can realize the same effect, but to air conditioning system, use a switching-over valve to replace behind two cross valves, the pipeline is retrencied, the pipeline design of being convenient for, the release space, can ensure the installation nature of compressor, be convenient for further design optimization, reduce valve and pipeline cost, be particularly useful for in the air conditioning system including two suction compressor.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their repetitive description will be omitted.
The words for expressing the position and direction described in the present invention are all the explanations given by taking the drawings as examples, but can be changed according to the needs, and the changes are all included in the protection scope of the present invention.
The references to first, second, etc. in this embodiment do not include positional relationships or absolutely distinct relationships in structural function, and the same reference numbers or designations may be used in different embodiments, which do not represent structural or functional relationships, but merely for convenience of description.
Referring to fig. 1A and 1B, the direction valve 100 of the present invention includes a body 11, first to sixth connection pipes 21 to 26, a first slider 31, a second slider 32, a first partition plate 41, a second partition plate 51, and a control member 61.
The body 11 defines a cavity, and in a preferred embodiment, the cross-sectional shape of the body 11 is circular, so that the body 11 has a cylindrical structure as a whole.
The body 11 is provided with a first connection pipe 21, a second connection pipe 22, a third connection pipe 23, a fourth connection pipe 24, a fifth connection pipe 25 and a sixth connection pipe 26, and the first connection pipe 21 to the sixth connection pipe 26 are communicated with the cavity of the body 11. In a preferred embodiment, the first connecting tube 21 is disposed on a first sidewall of the body 11, and the second connecting tube 22 to the sixth connecting tube 26 are disposed on a second sidewall of the body 11 opposite to the first sidewall and are sequentially arranged, as shown in fig. 1A and 1B.
The cavity of the body 11 is provided with a first slide block 31 and a second slide block 32 which can move, and the first slide block 31, the second slide block 32 and the inner walls of the two ends of the body 11 respectively define a first cavity 33 and a second cavity 34.
A movable first partition plate 41 is arranged on the inner wall of the body 11, the first partition plate 41 is positioned between the first slide block 31 and the second slide block 32, the first partition plate 41 is connected with the first slide block 31 and the second slide block 32 through a first connecting piece 42 and a second connecting piece 43 respectively, the first partition plate 41, the first slide block 31, the second slide block 32 and the inner wall of the body 11 define a third chamber 44, the first connecting pipe 21 is always communicated with the third chamber 44, that is, no matter how the first partition plate 41 moves, the first connecting pipe 21 is always communicated with the third chamber 44. The third chamber 44 is isolated from the first and second chambers 33, 34.
The inner wall of the body 11 is further provided with a movable second partition plate 51, the second partition plate 51 is positioned between the first partition plate 41 and the inner wall of the body 11, the second partition plate 51 is connected with the first partition plate 41 through a third connecting piece 52 and/or a fourth connecting piece 55, the second partition plate 51, the first partition plate 41 and the inner wall of the body 11 define a fourth chamber 53, the second partition plate 51 and the inner wall of the body 11 define a fifth chamber 54, and the third chamber 44, the fourth chamber 53 and the fifth chamber 54 are isolated from each other.
In a preferred embodiment, the first, second, third and fourth connectors 42, 43, 52, 55 are connecting rods.
The control member 61 is configured to drive the first slider 31 to move to a first position in a direction of the second slider 32, in fig. 1A, in order to drive the first slider 31 to move rightward, the second slider 32 is connected to the first slider 31 via the first connecting member 42, the first partition plate 41 and the second connecting member 43, and moves in the same direction at the same time, and the second partition plate 51 moves at the same time via the third connecting member 52 and/or the fourth connecting member 55 connected to the first partition plate 41; the control member 61 is also used to drive the second slider 32 to move to the second position toward the first slider 31, and in fig. 1B, the second slider 32 is driven to move leftward, and similarly, the first slider 31, the first partition plate 41 and the second partition plate 51 move in the same direction at the same time.
In a preferred embodiment, when the first slide 31 moves to the first position, the second slide 32 reaches one end of the body 11; when the second slider 32 moves to the second position, the first slider 31 reaches the other end of the body 11.
In a preferred embodiment, the control member 61 is a solenoid valve, both ends of which are connected to the first chamber 33 and the second chamber 34, respectively, and the first slider 31 and the second slider 32 are driven to move by changing the pressure in the first chamber 33 and the second chamber 34. Specifically, as shown in fig. 1A, the solenoid valve moves the first slider 31 toward the second chamber 34 having a smaller pressure by increasing the pressure in the first chamber 33 and simultaneously decreasing the pressure in the second chamber 34; or as shown in fig. 1B, the solenoid valve moves the second slider 32 toward the first chamber 33 having a smaller pressure by increasing the pressure in the second chamber 34 while decreasing the pressure in the first chamber 33.
The following effects can be achieved by using the reversing valve 100 described above:
when the control member 61 drives the first slider 31 to move towards the second slider 32 to the first position, as shown in fig. 1A, the first connecting pipe 21 is communicated with the second connecting pipe 22 through the third chamber 44, the third connecting pipe 23 is communicated with the sixth connecting pipe 26 through the fourth chamber 53, and the fourth connecting pipe 24 is communicated with the fifth connecting pipe 25 through the fifth chamber 54, so that the communication among the six connecting pipes 2, 2 is realized.
When the control member 61 drives the second slider 32 to move to the second position in the direction of the first slider 31, as shown in fig. 1B, the first connecting pipe 21 is communicated with the fifth connecting pipe 25 and the sixth connecting pipe 26 through the third chamber 44, and the second connecting pipe 22 is communicated with the third connecting pipe 23 and the fourth connecting pipe 24 through the fourth chamber 53, so that the communication between the six connecting pipes 3 and 3 is realized.
The reversing valve 100 may be applied to an air conditioning system capable of switching between cooling and heating, and the following description will be made in detail by taking a compressor in the air conditioning system as a double suction compressor as an example.
Referring to fig. 2A and 2B, the air conditioning system includes a compressor 200, a first indoor unit 300, a second indoor unit 400, and an outdoor unit 500, in addition to the reversing valve 100.
The compressor 200 is a double suction compressor, and includes a first suction port 201, a second suction port 202, and a discharge port 203, the first suction port 201 is communicated with the third connection pipe 23 of the direction valve 100, the second suction port 202 is communicated with the fourth connection pipe 24 of the direction valve 100, and the discharge port 203 is communicated with the first connection pipe 21 of the direction valve 100. The structure and operation principle of the compressor 200 are the prior art, and are not described herein again.
The first indoor unit 300 and the second indoor unit 400 respectively include a heat exchanger and an indoor throttling device, both ends of the first indoor unit 300 are respectively communicated with the outdoor unit 500 and the sixth connecting pipe 26, and both ends of the second indoor unit 400 are respectively communicated with the outdoor unit 500 and the fifth connecting pipe 25. One end of the outdoor unit 500 is simultaneously communicated with the first indoor unit 300 and the second indoor unit 400, and the other end of the outdoor unit 500 is communicated with the second connection pipe 22. The structures and operating principles of the first indoor unit 300, the second indoor unit 400 and the outdoor unit 500 are all the prior art, and are not described herein again.
Referring to fig. 1A and 2A, when the air conditioning system operates in a cooling mode, the control member 61 drives the first slider 31 to move toward the second slider 32 to the first position, the first connecting pipe 21 is communicated with the second connecting pipe 22 through the third cavity 44, the third connecting pipe 23 is communicated with the sixth connecting pipe 26 through the fourth cavity 53, and the fourth connecting pipe 24 is communicated with the fifth connecting pipe 25 through the fifth cavity 54.
The high-temperature and high-pressure refrigerant discharged from the discharge port 203 of the compressor 200 enters the third chamber 44 through the first connection pipe 21 and further enters the second connection pipe 22, arrows in the figure indicate the direction of the refrigerant flow, the refrigerant flowing out of the second connection pipe 22 enters the outdoor unit 500, after exchanging heat with the outdoor environment through the outdoor unit 500, the refrigerant enters the first indoor unit 300 and the second indoor unit 400 respectively, the refrigerant flowing out after exchanging heat with the indoor environment through the first indoor unit 300 and the second indoor unit 400 flows into the reversing valve 100 through the sixth connection pipe 26 and the fifth connection pipe 25 respectively, and enters the third connection pipe 23 and the fourth connection pipe 24 through the fourth chamber 53 and the fifth chamber 54 respectively, the refrigerant flowing out of the third connection pipe 23 and the fourth connection pipe 24 flows into the first suction port 201 and the second suction port 202 of the compressor 200 respectively, and the low-temperature and low-pressure refrigerant returns to the compressor 200 for compression, thus, a refrigeration cycle is formed.
Referring to fig. 1B and fig. 2B, when the air conditioning system performs heating operation, the control element 61 drives the second slider 32 to move to the second position toward the first slider 31, the first connecting pipe 21 is communicated with the fifth connecting pipe 25 and the sixth connecting pipe 26 through the third chamber 44, and the second connecting pipe 22 is communicated with the third connecting pipe 23 and the fourth connecting pipe 24 through the fourth chamber 53.
The high-temperature and high-pressure refrigerant discharged from the discharge port 203 of the compressor 200 enters the third chamber 44 through the first connection pipe 21, and then enters the fifth connection pipe 25 and the sixth connection pipe 26, the refrigerant flowing out of the fifth connection pipe 25 and the sixth connection pipe 26 enters the second indoor unit 400 and the first indoor unit 300, respectively, the refrigerant flowing out after exchanging heat with the indoor environment through the second indoor unit 400 and the first indoor unit 300 flows into the outdoor unit 500, after exchanging heat with the outdoor environment through the outdoor unit 500, the refrigerant flows into the second connection pipe 22 and enters the fourth chamber 53, the refrigerant flowing into the fourth chamber 53 flows into the third connection pipe 23 and the fourth connection pipe 24, respectively, and flows into the first suction port 201 and the second suction port 202 of the compressor 200, and the low-temperature and low-pressure refrigerant returns to the compressor 200 to be compressed, and reciprocates to form a heating cycle.
One end of each of the first indoor unit 300, the second indoor unit 400, and the outdoor unit 500 is an input port, and the other end is an output port, and when the cooling operation and the heating operation are switched, the flow direction of the refrigerant changes, the input port changes to the output port, and the output port changes to the input port.
The utility model discloses a switching-over valve can make six connecting pipes conveniently 2, 2 intercommunication mode and 3, 3 switch between the intercommunication mode, compare with the scheme that uses two cross valves simultaneously among the prior art, can realize the same effect, but to air conditioning system, use a switching-over valve to replace behind two cross valves, the pipeline is retrencied, the pipeline design of being convenient for, the release space, can ensure the installation nature of compressor, be convenient for further design optimization, reduce valve and pipeline cost, be particularly useful for in the air conditioning system including two suction compressor.
Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention.