CN218670750U

CN218670750U - Six-way reversing valve and air conditioning device

Info

Publication number: CN218670750U
Application number: CN202223077815.9U
Authority: CN
Inventors: 彭意平; 李军波; 孙佳
Original assignee: Vertiv Tech Co Ltd
Current assignee: Vertiv Tech Co Ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-03-21
Anticipated expiration: 2032-11-17

Abstract

The utility model discloses a six-way reversing valve and an air conditioning device, wherein the six-way reversing valve comprises a valve box, a first runner, a second runner, a third runner, a fourth runner, a fifth runner, a sixth runner and a sliding block component; the through hole for communicating the first flow passage with the inner cavity of the valve box is positioned on the first side plate of the valve box, and the through holes for communicating the second flow passage, the third flow passage, the fourth flow passage, the fifth flow passage, the sixth flow passage with the inner cavity of the valve box are sequentially positioned on the second side plate of the valve box; the sliding block component is used for sliding in the valve box; when the first slide block is positioned at the first station, the first flow channel and the second flow channel are communicated with the inner cavity of the valve box, the fifth flow channel and the sixth flow channel are both isolated from the inner cavity of the valve box, and the third flow channel is communicated with the fourth flow channel; when the first sliding block is located at the second station, the first flow channel and the fourth flow channel are communicated with the inner cavity of the valve box, the second flow channel and the third flow channel are both separated from the inner cavity of the valve box, and the fifth flow channel is communicated with the sixth flow channel. The six-way reversing valve is simple in structure, and can reduce control difficulty and increase control accuracy.

Description

Six-way reversing valve and air conditioning device

Technical Field

The utility model relates to an air conditioning technology field, in particular to six-way reversing valve and air conditioning equipment.

Background

The four-way reversing valve of the refrigerant pipeline in the air-conditioning heat pump system has the advantages of wide application range, simple structure, low manufacturing cost and excellent effect, is widely applied to the air-conditioning heat pump system of a group of outdoor heat exchangers and a group of indoor heat exchangers, and is commonly used for the traditional heat pump air-conditioning unit. However, in some special places, such as data centers and other places with waste heat and waste heat all the year round, an air-conditioning heat pump system with three heat exchangers may be used, and when there are three heat exchangers, the existing four-way reversing valve cannot meet the requirements, and other parts (such as an electric valve) must be additionally arranged to realize function switching of the three heat exchangers. And utilize cross valve and motorised valve to realize the switching function of three heat exchangers, can increase the degree of difficulty, the precision and the risk of revealing of system control, also can increase the cost of system simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model provides a six-way reversing valve and air conditioner device, the cost of manufacture can be saved to above-mentioned six-way reversing valve, can reduce the degree of difficulty of air conditioner device control, increase system control's precision simultaneously to can reduce the risk that the refrigerant was revealed in the pipeline.

In order to achieve the above purpose, the utility model provides the following technical scheme:

a six-way reversing valve comprises a valve box, a first flow passage, a second flow passage, a third flow passage, a fourth flow passage, a fifth flow passage, a sixth flow passage and a sliding block assembly, wherein the first flow passage, the second flow passage, the third flow passage, the fourth flow passage, the fifth flow passage and the sixth flow passage are communicated with an inner cavity of the valve box;

the valve box comprises a first side plate, a first end plate, a second side plate and a second end plate, wherein the first side plate and the second side plate are oppositely arranged, the first end plate and the second end plate are oppositely arranged, and the first side plate and the second side plate are positioned between the first end plate and the second end plate;

the through hole for communicating the first flow passage with the valve box inner cavity is positioned on the first side plate, and the through holes for communicating the second flow passage, the third flow passage, the fourth flow passage, the fifth flow passage, the sixth flow passage with the valve box inner cavity are sequentially positioned on the second side plate;

the sliding block assembly is used for sliding in the valve box so as to adjust the on-off state of each flow passage;

when the sliding block assembly is positioned at a first station, the first flow passage and the second flow passage are communicated with the inner cavity of the valve box, the third flow passage, the fourth flow passage, the fifth flow passage and the sixth flow passage are all isolated from the inner cavity of the valve box, and the third flow passage is communicated with the fourth flow passage;

when the sliding block set is located at a second station, the first flow channel and the fourth flow channel are communicated with the inner cavity of the valve box, the second flow channel, the third flow channel, the fifth flow channel and the sixth flow channel are all isolated from the inner cavity of the valve box, and the fifth flow channel is communicated with the sixth flow channel.

Optionally, a first through hole is formed in the first side plate, a second through hole, a third through hole, a fourth through hole, a fifth through hole and a sixth through hole are formed in the second side plate, the second through hole, the third through hole, the fourth through hole, the fifth through hole and the sixth through hole are sequentially arranged in the direction in which the first end plate points to the second end plate, and the first flow passage, the second flow passage, the third flow passage, the fourth flow passage, the fifth flow passage and the sixth flow passage are respectively communicated with the valve box inner cavity through the first through hole, the second through hole, the third through hole, the fourth through hole, the fifth through hole and the sixth through hole.

Optionally, the slider assembly includes a slider body, one side of the slider body facing the second side plate contacts the second side plate, the slider body includes a first shielding portion, a first slider, a second shielding portion and a second slider, which are sequentially arranged in a direction in which the first end plate points to the second end plate, one side of the first slider and one side of the second slider facing the second side plate have grooves, the first shielding portion is connected to a notch of the groove on the first slider, two sides of the second shielding portion are respectively connected to notches of the grooves on the first slider and the second slider, and the second shielding portion has a seventh through hole;

when the sliding block assembly is located at the first station, the groove in the first sliding block is arranged opposite to the third through hole and the fourth through hole, the second shielding part is arranged opposite to the fifth through hole, the seventh through hole and the fifth through hole are arranged in a staggered mode, and the groove in the second sliding block is arranged opposite to the sixth through hole;

when the sliding block assembly is located at the second station, the first blocking portion and the second through hole are arranged oppositely, the groove in the first sliding block and the third through hole are arranged oppositely, the seventh through hole in the second blocking portion and the fourth through hole are arranged oppositely, and the groove in the second sliding block and the fifth through hole and the sixth through hole are arranged oppositely.

Optionally, the slider assembly further comprises a first piston and a second piston connected with the slider body;

the first piston is positioned between the second through hole and the first end plate and is in sealing fit with the inner wall of the valve box, and a first piston cavity is formed by the first piston and the first end plate in a fit mode;

the second piston is positioned between the sixth through hole and the second end plate and is in sealing fit with the inner wall of the valve box, and a second piston cavity is formed by the second piston and the second end plate in a fit mode;

the slider body and the first through hole are located between the first piston and the second piston.

Optionally, the inner wall of the valve box is provided with a first limiting part and a second limiting part;

the first limiting part is positioned between the first piston and the second through hole and used for limiting the first piston to move towards the second end plate so as to enable the sliding block assembly to be kept at a first station;

the second limiting part is located between the second piston and the sixth through hole and used for limiting the second piston to move towards the first end plate, so that the sliding block assembly is kept at the second station.

Optionally, the second side plate includes planking and disk seat, the planking has the opening, the disk seat is located the planking orientation one side of first side plate, and with the opening part sealing fit of planking, the disk seat has second through-hole, third through-hole, fourth through-hole, fifth through-hole and sixth through-hole, the disk seat is followed first end plate is directional two sides that the direction of second end plate was arranged are respectively first spacing portion and the spacing portion of second.

The embodiment of the utility model also comprises an air conditioning device, which comprises any one of the six-way reversing valves provided in the technical proposal, a compressor, a first heat exchanger, a second heat exchanger, a third heat exchanger and a throttling element;

an inlet of the compressor is communicated with a third flow passage and a fifth flow passage of the six-way reversing valve, and an outlet of the compressor is communicated with the first flow passage;

an inlet of the first heat exchanger is communicated with the second flow channel, and an outlet of the first heat exchanger is communicated with a first port of the second heat exchanger through the throttling element;

a second port of the second heat exchanger is communicated with the fourth flow channel;

and an inlet of the third heat exchanger is communicated with the first port of the second heat exchanger through the throttling element, and an outlet of the third heat exchanger is communicated with the sixth flow channel.

Optionally, when the slide block assembly of the six-way reversing valve has a first piston and a second piston, the air conditioning device further comprises a pilot valve;

the pilot valve comprises a shell, a liquid inlet pipe, a first liquid outlet pipe, a second liquid outlet pipe, a third liquid outlet pipe and a sealing slide block, wherein the liquid inlet pipe is positioned on one side of the shell and is communicated with an inner cavity of the shell, the first liquid outlet pipe, the second liquid outlet pipe and the third liquid outlet pipe are positioned on the other side of the shell and are communicated with the inner cavity of the shell, the sealing slide block is positioned in the shell and can slide relative to the shell, and the sealing slide block is provided with a third station and a fourth station;

when the sealing slide block is positioned at the third station, the liquid inlet pipe and the first liquid outlet pipe are communicated with the inner cavity of the shell, the second liquid outlet pipe and the third liquid outlet pipe are both isolated from the inner cavity of the shell, and the second liquid outlet pipe is communicated with the third liquid outlet pipe;

when the sealing slide block is positioned at the fourth station, the liquid inlet pipe and the third liquid outlet pipe are communicated with the inner cavity of the shell, the first liquid outlet pipe and the second liquid outlet pipe are both isolated from the inner cavity of the shell, and the first liquid outlet pipe is communicated with the second liquid outlet pipe;

the liquid inlet pipe of the pilot valve is communicated with the first flow channel of the six-way reversing valve, the first liquid outlet pipe of the pilot valve is communicated with the first piston cavity of the six-way reversing valve, the second liquid outlet pipe of the pilot valve is communicated with the fifth flow channel of the six-way reversing valve, and the third liquid outlet pipe of the pilot valve is communicated with the second piston cavity of the six-way reversing valve.

Optionally, the pilot valve is a four-way solenoid valve.

Optionally, the device further comprises a control unit, wherein the control unit is in signal connection with the pilot valve and is used for controlling switching of the working position of the sealing sliding block in the pilot valve.

An embodiment of the utility model provides a six-way reversing valve and air conditioning equipment, this six-way reversing valve include the valve box, with first runner, second runner, third runner, fourth runner, fifth runner, sixth runner of valve box inner chamber intercommunication and being located the sliding block set spare of valve box inner chamber, the through-hole of intercommunication first runner and valve box inner chamber is located the first curb plate of valve box, and the through-hole of intercommunication second runner, third runner, fourth runner, fifth runner and valve box inner chamber is located the second curb plate of valve box in proper order, and sliding block set spare can slide in the valve box to the break-make state of each runner of adjustment. If the air conditioning device is provided with three heat exchangers, six runners of the six-way reversing valve can be connected with the three heat exchangers, and the on-off state of each runner and the inner cavity of the valve box can be adjusted by adjusting the station state of the sliding block assembly, so that the function of switching among the three heat exchangers is realized. Compared with the prior art, replace cross valve and motorised valve by above-mentioned six-way reversing valve to realize the switching of three heat exchanger, simple structure can save the cost of manufacture, only need adjust six-way reversing valve in the station of sliding block set spare simultaneously, can realize the switching function of three heat exchanger, can reduce the degree of difficulty of air conditioning equipment control, increase system control's precision to can reduce the connecting line in the structure that three heat exchanger switches, can reduce the risk that the refrigerant was revealed in the pipeline.

Drawings

Fig. 1 is a schematic structural diagram of a six-way reversing valve provided in an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of the six-way reversing valve AA shown in FIG. 1;

fig. 3 is a state diagram of an air conditioning apparatus according to an embodiment of the present invention;

fig. 4 is a state diagram of an air conditioning apparatus according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a pilot valve according to an embodiment of the present invention.

Icon:

100-six-way reversing valve; 1-a valve box; 11-a first side panel; 12-a first end plate; 13-a second side panel; 131-an outer plate; 132-a valve seat; 1321-a first stop; 1322-a second position-limiting portion; 14-a second end plate; 101-a first via; 102-a second via; 103-a third via; 104-a fourth via; 105-a fifth via; 106-sixth via; 21-a first flow channel; 22-a second flow channel; 23-a third flow channel; 24-a fourth flow channel; 25-a fifth flow channel; 26-a sixth flow passage; 3-a slider assembly; 31-a first shielding portion; 32-a first slider; 33-a second shutter; 331-seventh via; 34-a second slide; 35-a first piston; 36-a second piston;

4-a compressor; 5-a first heat exchanger; 6-a second heat exchanger; 7-a third heat exchanger; 8-a throttling element; 9-a pilot valve; 91-a housing; 92-a liquid inlet pipe; 93-a first liquid outlet pipe; 94-a second outlet pipe; 95-a third liquid outlet pipe; 96-sealing slide.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1 and 2, the present invention provides a six-way reversing valve, which includes a valve box 1, a first flow passage 21, a second flow passage 22, a third flow passage 23, a fourth flow passage 24, a fifth flow passage 25, a sixth flow passage 26 communicated with an inner cavity of the valve box 1, and a sliding block assembly 3 located in the inner cavity of the valve box 1;

the valve box 1 comprises a first side plate 11, a first end plate 12, a second side plate 13 and a second end plate 14, wherein the first side plate 11 is arranged opposite to the second side plate 13, the first end plate 12 is arranged opposite to the second end plate 14, and the first side plate 11 and the second side plate 13 are positioned between the first end plate 12 and the second end plate 14;

the through hole for communicating the first flow passage 21 with the valve box inner cavity is positioned on the first side plate 11, the through hole for communicating the second flow passage 22, the third flow passage 23, the fourth flow passage 24, the fifth flow passage 25, the sixth flow passage 26 with the valve box inner cavity is sequentially positioned on the second side plate 13, and the first direction is the direction in which the first end plate 12 points to the second end plate 14;

the sliding block assembly 3 is used for sliding in the valve box 1 along the extending direction of the side plate 11 so as to adjust the on-off state of each flow passage;

when the sliding block component 3 is located at the first station, the first flow passage 21 and the second flow passage 22 are communicated with the inner cavity of the valve box 1, the third flow passage 23, the fourth flow passage 24, the fifth flow passage 25 and the sixth flow passage 26 are all isolated from the inner cavity of the valve box 1, and the third flow passage 23 is communicated with the fourth flow passage 24; the third flow passage 23, the fourth flow passage 24, the fifth flow passage 25 and the sixth flow passage 26 are all isolated from the inner cavity of the valve box 1, and the third flow passage 23, the fourth flow passage 24, the fifth flow passage 25 and the sixth flow passage 26 are all in a non-communicated state with the inner cavity of the valve box 1;

when the sliding block component 3 is located at the second station, the first flow passage 21 and the fourth flow passage 24 are communicated with the inner cavity of the valve box 1, the second flow passage 22, the third flow passage 23, the fifth flow passage 25 and the sixth flow passage 26 are all isolated from the inner cavity of the valve box 1, and the fifth flow passage 25 is communicated with the sixth flow passage 26; the second flow passage 22, the third flow passage 23, the fifth flow passage 25 and the sixth flow passage 26 are all isolated from the inner cavity of the valve box 1, and the second flow passage 22, the third flow passage 23, the fifth flow passage 25 and the sixth flow passage 26 are all in a non-communicated state with the inner cavity of the valve box 1.

The embodiment of the utility model provides an among the six-way reversing valve, including valve box 1, with first runner 21, second runner 22, third runner 23, fourth runner 24, fifth runner 25, sixth runner 26 and the position of 1 inner chamber intercommunication of valve box sliding block assembly 3 of valve box 1 inner chamber, the through-hole of intercommunication first runner 21 and valve box inner chamber is located first curb plate 11, and the through-hole of intercommunication second runner 22, third runner 23, fourth runner 24, fifth runner 25 and sixth runner 26 and valve box inner chamber is located the second curb plate 13 of valve box in proper order, and sliding block assembly 3 can slide in valve box 1 to the on-off state of each runner of adjustment. If the air conditioning device is provided with three heat exchangers, six flow passages of the six-way reversing valve can be connected with the three heat exchangers, and the on-off state of each flow passage and the inner cavity of the valve box 1 can be adjusted by adjusting the station state of the sliding block component 3, so that the function of switching among the three heat exchangers is realized. Compared with the prior art, replace cross valve and motorised valve by above-mentioned six-way reversing valve and realize the switching of three heat exchanger, simple structure can save the cost of manufacture, only needs to adjust slider assembly 3's station in the six-way reversing valve simultaneously, can realize the switching function of three heat exchanger, can reduce the degree of difficulty of air conditioning equipment control, increase the precision of system control to can reduce the connecting line in the structure that three heat exchanger switched, can reduce the risk that the refrigerant was revealed in the pipeline.

Specifically, as shown in fig. 3 and 4, the air conditioning apparatus may include a compressor 4, a first heat exchanger 5, a second heat exchanger 6, a third heat exchanger 7, and a throttling element 8, and the switching of the communication state among the first heat exchanger 5, the second heat exchanger 6, and the third heat exchanger 7 may be realized by the above six-way reversing valve. Wherein, the compressor 4 can be communicated with the third flow passage 23 and the fifth flow passage 25, the inlet of the first heat exchanger 5 can be communicated with the second flow passage 22, the outlet of the first heat exchanger 5 is communicated with the first port of the second heat exchanger 6 through the throttling element 8, the second port of the second heat exchanger 6 can be communicated with the fourth flow passage 24, the inlet of the third heat exchanger 7 is communicated with the first port of the second heat exchanger 6 through the throttling element 8, and the outlet of the third heat exchanger 7 is communicated with the sixth flow passage 26. When the sliding block assembly 3 is located at the first station, as shown in fig. 3, the compressor 4, the first heat exchanger 5, the throttling element 8 and the second heat exchanger 6 may form a refrigerant circulation loop; when the slide block assembly 3 is located at the second station, the compressor 4, the second heat exchanger 6, the throttling element 8 and the third heat exchanger 7 can form a circulation loop of refrigerant, and switching among the three heat exchangers can be realized.

The embodiment of the present invention provides an embodiment, above-mentioned first side plate 11 can have first through-hole 101 thereon, second side plate 13 can have second through-hole 102, third through-hole 103, fourth through-hole 104, fifth through-hole 105 and sixth through-hole 106 that set gradually along the direction of first end plate 12 pointing to second end plate 14, first runner 21, second runner 22, third runner 23, fourth runner 24, fifth runner 25 and sixth runner 26 are respectively through first through-hole 101, second through-hole 102, third through-hole 103, fourth through-hole 104, fifth through-hole 105 and sixth through-hole 106 and valve box 1 inner chamber intercommunication. Specifically, the first flow channel 21, the second flow channel 22, the third flow channel 23, the fourth flow channel 24, the fifth flow channel 25 and the sixth flow channel 26 may be hermetically connected to side walls of the first through hole 101, the second through hole 102, the third through hole 103, the fourth through hole 104, the fifth through hole 105 and the sixth through hole 106, respectively, so that leakage of refrigerant can be avoided.

In the embodiment of the present invention, as shown in fig. 1, the slider assembly 3 may specifically include a slider body, one side of the slider body 3 facing the second side plate 13 contacts with the second side plate 13, the slider body includes a first shielding portion 31, a first slider 32, a second shielding portion 33, and a second slider 34, which are sequentially disposed along a direction in which the first end plate 12 points to the second end plate 14, one side of the first slider 32 and one side of the second slider 34 facing the second side plate 13 have a groove, the first shielding portion 31 is connected to a notch of the groove on the first slider 32, two sides of the second shielding portion 33 are respectively connected to notches of the grooves on the first slider 32 and the second slider 34, and the second shielding portion 33 has a seventh through hole 331;

when the sliding block assembly 3 is located at the first station, the groove on the first sliding block 32 is arranged opposite to the third through hole 103 and the fourth through hole 104, so that the communication channel between the third flow channel 23 and the inner cavity of the valve box 1 and the fourth flow channel 24 is blocked by the side wall of the first sliding block 32, and the third flow channel 23 is communicated with the fourth flow channel 24 through the groove on the first sliding block 32; the second blocking portion 33 is opposite to the fifth through hole 105, and the seventh through hole 331 and the fifth through hole 105 are arranged in a staggered manner, so that a communication channel between the fifth flow channel 25 and the inner cavity of the valve box 1 can be blocked by the second blocking portion 33, and the fifth flow channel 25 and the inner cavity of the valve box 1 are in a non-communication state; the groove on the second slide block 34 is arranged opposite to the sixth through hole 106, so that a communication channel between the sixth flow channel 26 and the inner cavity of the valve box 1 can be isolated by the side wall of the second slide block 34, and the sixth flow channel 26 and the inner cavity of the valve box 1 are in a non-communication state;

when the slider assembly 3 is located at the second station, the first blocking portion 31 and the second through hole 102 are arranged oppositely, so that a communication channel between the second flow channel 22 and the inner cavity of the valve box 1 can be blocked by the first blocking portion 31, and the second flow channel 22 and the inner cavity of the valve box are in a non-communication state; the groove on the first sliding block 32 is arranged opposite to the third through hole 103, so that a communication channel between the third flow channel 23 and the inner cavity of the valve box 1 can be isolated by the side wall of the first sliding block; the seventh through hole 331 of the second blocking portion 33 is opposite to the fourth through hole 104, so that the fourth flow channel 24 can be communicated with the inner cavity of the valve box 1; the groove on the second slider 34 is opposite to the fifth through hole 105 and the sixth through hole 106, so that the communication channel between the fifth flow channel 25, the sixth flow channel 26 and the inner cavity of the valve box 1 can be isolated by the side wall of the second slider 34, and the fifth flow channel 25 is communicated with the sixth flow channel 26 through the groove on the second slider 34.

Specifically, as shown in fig. 1, the slider assembly 3 may further include a first piston 35 and a second piston 36 connected to the slider body; the first piston 35 is positioned between the second through hole 102 and the first end plate 12 and is in sealing fit with the inner wall of the valve box 1, and a first piston cavity E is formed between the first piston 35 and the first end plate 12 in a matching manner; the second piston 36 is located between the sixth through hole 106 and the second end plate 14 and is in sealing fit with the inner wall of the valve box 1, the second piston 36 and the second end plate 14 are in fit to form a second piston cavity F, and the slider body and the first through hole 101 are located between the first piston 35 and the second piston 36. Through adjusting the pressure difference between the first piston cavity E and the second piston cavity F, the first piston 35 and the second piston 36 can be moved, and then the first piston 35 and the second piston 36 drive the slider body to move, so that the adjustment of the station of the slider assembly 3 can be realized.

Specifically, as shown in fig. 1, the first piston 35 may be fixedly connected to an outer side of the first slider 32, and the second piston 36 may be fixedly connected to an outer side of the second slider 34.

In the embodiment of the present invention, as shown in fig. 1, the inner wall of the valve box 1 may be provided with a first limiting portion 1321 and a second limiting portion 1322;

a first stopper 1321 may be located between the first piston 35 and the second through hole 102, for restricting the first piston 35 from moving toward the second end plate 14, so as to keep the slider assembly 3 at the first station; when the pressure of the first piston cavity E is higher than the pressure of the second piston cavity F by a certain value, the slider assembly 3 can slide to the first station, and the first limiting portion 1321 limits the first piston 35 to continue moving towards the second end plate 14, so that the slider assembly 3 can be kept at the first station;

the second limiting portion 1322 is located between the second piston 36 and the sixth through hole 106, and is used for limiting the second piston 36 to move towards the first end plate 12, so that the slide block assembly 3 is kept at the second station; when the pressure of the second piston chamber F is higher than the pressure of the first piston chamber E by a certain value, the slider assembly 3 may slide to the second station, and the second limiting portion 1322 limits the second piston 36 to continue moving toward the first end plate 12, so that the slider assembly 3 remains at the second station.

Specifically, the second side plate 13 of the valve box 1 may include an outer plate 131 and a valve seat 132, the outer plate 131 has an opening, the valve seat 132 is located on a side of the outer plate 131 facing the first side plate 11 and is in sealing fit with the opening of the outer plate 131, the valve seat 132 has a second through hole 102, a third through hole 103, a fourth through hole 104, a fifth through hole 105, and a sixth through hole 106, two side surfaces of the valve seat 132 arranged along a direction in which the first end plate 12 points to the second end plate 14 may be a first limiting portion 1321 and a second limiting portion 1322, respectively, and the structure is simple and easy to implement.

Specifically, as shown in fig. 2, the first side plate 11 of the valve box 1 may have an arc shape, and the first side plate 11 and the second side plate 13 may be disposed opposite to each other and connected to each other.

The embodiment of the present invention further provides an air conditioning apparatus, including any one of the six-way reversing valves 100 provided in the above technical solutions, as shown in fig. 3 and 4, further including a compressor 4, a first heat exchanger 5, a second heat exchanger 6, a third heat exchanger 7, and a throttling element 8;

the inlet of the compressor 4 is communicated with the third flow passage 23 and the fifth flow passage 25 of the six-way reversing valve, and the outlet of the compressor 4 is communicated with the first flow passage 21;

an inlet of the first heat exchanger 5 is communicated with the second flow channel 22, and an outlet of the first heat exchanger 5 is communicated with a first port of the second heat exchanger 6 through the throttling element 8;

a second port of the second heat exchanger 6 is communicated with the fourth flow channel 24;

the inlet of the third heat exchanger 7 communicates with the first port of the second heat exchanger 6 via the throttling element 8, and the outlet of the third heat exchanger 7 communicates with the sixth flow channel 26.

Above-mentioned embodiment of the utility model provides an among the air conditioning equipment, through adjusting slider assembly 3 of six-way switching-over valve can realize the switching of the connected state between compressor 4 and the three heat exchanger. Above-mentioned air conditioner device replaces cross valve and motorised valve to realize the switching of three heat exchanger by six-way reversing valve, and simple structure can save the cost of manufacture, only needs to adjust slider assembly 3's station in the six-way reversing valve simultaneously, can realize the switching function of three heat exchanger, can reduce the degree of difficulty of air conditioner device control, increase the precision of system control to can reduce the connecting line in the structure that three heat exchanger switched, can reduce the risk that the refrigerant was revealed in the pipeline.

Specifically, the first heat exchanger 5, the second heat exchanger 6, and the third heat exchanger 7 may be air-cooled systems. The above-mentioned throttling element 8 may be an expansion valve. The pipelines used for connecting the compressor 4, the first heat exchanger 5, the second heat exchanger 6, the third heat exchanger 7, the throttling element 8 and the six-way reversing valve are refrigerant pipelines.

In the embodiment of the present invention, as shown in fig. 3, 4 and 5, when the sliding block assembly 3 of the six-way reversing valve has the first piston 35 and the second piston 36, the air conditioning apparatus further includes the pilot valve 9;

the pilot valve 9 comprises a shell 91, a liquid inlet pipe 92, a first liquid outlet pipe 93, a second liquid outlet pipe 94, a third liquid outlet pipe 95 and a sealing slide block 96, wherein the liquid inlet pipe 92 is positioned on one side of the shell 91 and is communicated with an inner cavity of the shell 91, the first liquid outlet pipe 93, the second liquid outlet pipe 94 and the third liquid outlet pipe 95 are positioned on the other side of the shell 91 and are communicated with the inner cavity of the shell 91, the sealing slide block 96 is positioned in the shell 91 and can slide relative to the shell 91, and the sealing slide block 96 is provided with a third station and a fourth station;

when the sealing slide block 96 is located at the third station, as shown in fig. 3, the liquid inlet pipe 92 and the first liquid outlet pipe 93 are communicated with the inner cavity of the shell 91, the second liquid outlet pipe 94 and the third liquid outlet pipe 95 are both isolated from the inner cavity of the shell 91, and the second liquid outlet pipe 94 is communicated with the third liquid outlet pipe 95; when the sealing slide block 96 is located at the third station, the groove on the sealing slide block 96 can be arranged opposite to the second liquid outlet pipe 94 and the third liquid outlet pipe 95, and the side wall of the groove on the sealing slide block 96 can block the communication between the second liquid outlet pipe 94 and the inner cavity of the shell 91, and the communication between the third liquid outlet pipe 95 and the inner cavity of the shell 91;

when the sealing slide block 96 is located at the fourth station, as shown in fig. 4, the liquid inlet pipe 92 and the third liquid outlet pipe 95 are communicated with the inner cavity of the housing 91, the first liquid outlet pipe 93 and the second liquid outlet pipe 94 are both isolated from the inner cavity of the housing 91, and the first liquid outlet pipe 93 is communicated with the second liquid outlet pipe 94; namely, when the sealing slide block 96 is positioned at the fourth station, the groove on the sealing slide block 96 can be arranged opposite to the first liquid outlet pipe 93 and the second liquid outlet pipe 94, and the side wall of the groove on the sealing slide block 96 can block the communication between the first liquid outlet pipe 93 and the inner cavity of the shell 91 and the communication between the second liquid outlet pipe 94 and the inner cavity of the shell 91;

the liquid inlet pipe 92 of the pilot valve 9 is communicated with the first flow channel 21 of the six-way reversing valve, the first liquid outlet pipe 93 of the pilot valve 9 is communicated with the first piston cavity E of the six-way reversing valve, the second liquid outlet pipe 94 of the pilot valve 9 is communicated with the fifth flow channel 25 of the six-way reversing valve, and the third liquid outlet pipe 95 of the pilot valve 9 is communicated with the second piston cavity F of the six-way reversing valve.

Above-mentioned in the embodiment of the utility model, through the control to the station of sealed slider 96 in the pilot valve 9, can realize the regulation to pressure in first piston chamber E and the second piston chamber F in the six-way switching-over valve, and then realize the switching to the slip subassembly station in the six-way switching-over valve.

Specifically, the above-mentioned pilot valve 9 may be a four-way solenoid valve, and the position of the sealing slider 96 of the pilot valve 9 can be switched by electromagnetic control, for example, when the pilot valve 9 is not powered, the sealing slider 96 is located at the third position, and when the pilot valve 9 is powered, the sealing slider 96 may be located at the fourth position. The pipeline connected between the pilot valve 9 and the six-way reversing valve can be a capillary tube.

The embodiment of the utility model provides an in, above-mentioned air conditioning equipment still includes the control unit, and the control unit and pilot valve 9 signal connection for the switching of sealed slider 96's station in the control pilot valve 9.

In practical application, the air conditioning device with the three heat exchangers can realize different working condition modes;

when the air conditioner needs to execute the first operating mode, as shown in fig. 3, the control unit may control the pilot valve 9 to be not powered, and the sealing slider 96 of the pilot valve 9 is located at the third position. High-temperature and high-pressure refrigerant generated by the compressor 4 enters the inner cavity of the valve box 1 of the six-way reversing valve through the refrigerant pipeline through the sixth flow channel 26, meanwhile, the high-temperature and high-pressure refrigerant enters the inner cavity of the shell 91 of the pilot valve 9 through the capillary tube and then flows into the first piston cavity E, the slider body gradually moves towards the direction of the second short plate under the pushing of the high-temperature and high-pressure refrigerant, the slider body moves to the first limiting part 1321 to be limited, the slider body is positioned at the first station, the fifth flow channel 25 and the sixth flow channel 26 are blocked by the slider body, the high-temperature and high-pressure refrigerant in the inner cavity of the valve box 1 flows out to the first heat exchanger 5 through the second flow channel 22, and after being cooled (heated) in the first heat exchanger 5, the refrigerant enters the second heat exchanger 6 (the third heat exchanger 7 is blocked by the slider assembly 3 due to the sixth flow channel 26 and cannot circulate), evaporates and absorbs heat (refrigerates) in the second heat exchanger 6 after passing through the throttling element 8, becomes a low-temperature and low-pressure refrigerant, flows back to the inlet of the compressor 4 through the fourth flow channel 24 and the third flow channel 23 (the fifth flow channel 25 cannot circulate because of being blocked by the slider assembly 3, the second piston chamber F is communicated with the third flow channel 23 through the pilot valve 9, the pressure in the third flow channel 23 is high-pressure, the low-temperature and low-pressure refrigerant cannot flow into the third flow channel 23 under the action of high pressure), and enters the next cycle, and the specific refrigerant flow direction of the air conditioning device under the first working condition can be shown as the arrow direction in fig. 3.

When the air conditioner needs to execute the second operating mode, as shown in fig. 4, the control unit may control the pilot valve 9 to be powered on, and the sealing slider 96 of the pilot valve 9 is switched to the fourth operating position under the electromagnetic action. High-temperature and high-pressure refrigerant generated by the compressor 4 enters an inner cavity of the six-way reversing valve box 1 through a refrigerant pipeline through a sixth flow channel 26, meanwhile, the high-temperature and high-pressure refrigerant enters an inner cavity 91 of the pilot valve 9 through a capillary tube and then flows into a second piston cavity F, a slider body is pushed by the high-temperature and high-pressure refrigerant in the second piston cavity F and gradually moves towards the first end plate 12, the slider body moves to a second limiting portion 1322 to be limited, a first flow channel 21 and a third flow channel 23 are blocked by the slider body, the high-temperature and high-pressure refrigerant in the inner cavity of the valve box 1 flows out to a second heat exchanger 6 through a second flow channel 22, the high-temperature and high-pressure refrigerant is cooled (heated) in the second heat exchanger 6 and then enters a third heat exchanger 7 (the first heat exchanger 5 cannot flow through the second flow channel 22 due to blocking of the slider assembly 3), the high-temperature and high-pressure refrigerant is evaporated (cooled) in the third heat exchanger 7 after passing through a throttling element 8 and becomes low-temperature and low-pressure refrigerant, and flows back to an inlet of the compressor 4 through the sixth flow channel 26 and the fifth flow channel 25 (the fifth flow channel 25 is blocked and flows into a next cycle, and the refrigerant can point to the working condition shown in a second air conditioner as an arrow in a specific working condition shown in a second air conditioner.

It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A six-way reversing valve is characterized by comprising a valve box, a first flow passage, a second flow passage, a third flow passage, a fourth flow passage, a fifth flow passage and a sixth flow passage which are communicated with an inner cavity of the valve box, and a sliding block assembly positioned in the inner cavity of the valve box;

when the sliding block assembly is located at the second station, the first flow channel and the fourth flow channel are communicated with the inner cavity of the valve box, the second flow channel, the third flow channel, the fifth flow channel and the sixth flow channel are all isolated from the inner cavity of the valve box, and the fifth flow channel is communicated with the sixth flow channel.

2. The six-way reversing valve according to claim 1, wherein the first side plate is provided with a first through hole, the second side plate is provided with a second through hole, a third through hole, a fourth through hole, a fifth through hole and a sixth through hole which are sequentially arranged along a direction in which the first end plate points to the second end plate, and the first flow passage, the second flow passage, the third flow passage, the fourth flow passage, the fifth flow passage and the sixth flow passage are respectively communicated with the valve box inner cavity through the first through hole, the second through hole, the third through hole, the fourth through hole, the fifth through hole and the sixth through hole.

3. The six-way reversing valve according to claim 2, wherein the slider assembly comprises a slider body, one side of the slider body facing the second side plate is in contact with the second side plate, the slider body comprises a first shielding portion, a first slider, a second shielding portion and a second slider which are sequentially arranged in a direction in which the first end plate faces the second end plate, one sides of the first slider and the second slider facing the second side plate are provided with grooves, the first shielding portion is connected with the notches of the grooves on the first slider, two sides of the second shielding portion are respectively connected with the notches of the grooves on the first slider and the second slider, and the second shielding portion is provided with a seventh through hole;

4. The six-way reversing valve of claim 3, wherein the slider assembly further comprises a first piston and a second piston connected to the slider body;

5. The six-way reversing valve according to claim 4, wherein the inner wall of the valve housing has a first limit portion and a second limit portion;

6. The six-way reversing valve according to claim 5, wherein the second side plate comprises an outer plate and a valve seat, the outer plate has an opening, the valve seat is located on one side of the outer plate facing the first side plate and is in sealing fit with the opening of the outer plate, the valve seat has the second through hole, the third through hole, the fourth through hole, the fifth through hole and the sixth through hole, and two sides of the valve seat arranged along a direction in which the first end plate points to the second end plate are respectively the first limiting portion and the second limiting portion.

7. An air conditioning apparatus comprising the six-way reversing valve according to any one of claims 1 to 6, further comprising a compressor, a first heat exchanger, a second heat exchanger, a third heat exchanger, and a throttling element;

8. The air conditioning unit of claim 7, wherein when the slider assembly of the six-way reversing valve has a first piston and a second piston, the air conditioning unit further comprises a pilot valve;

9. An air conditioning apparatus according to claim 8, wherein the pilot valve is a four-way solenoid valve.

10. The air conditioning apparatus of claim 9, further comprising a control unit in signal communication with the pilot valve for controlling switching of the position of the seal slide in the pilot valve.