CN216078406U - Four-way reversing valve with pressure relief function and air conditioning device - Google Patents
Four-way reversing valve with pressure relief function and air conditioning device Download PDFInfo
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- CN216078406U CN216078406U CN202121708386.3U CN202121708386U CN216078406U CN 216078406 U CN216078406 U CN 216078406U CN 202121708386 U CN202121708386 U CN 202121708386U CN 216078406 U CN216078406 U CN 216078406U
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Abstract
The utility model discloses a four-way reversing valve with pressure relief function and an air conditioning device, comprising: the valve body, the inside valve pocket that forms of valve body, be equipped with four valve ports that are linked together with the valve pocket on the valve body, still include: the first connecting pipe is connected between the first valve port of the valve body and an exhaust port of the compressor; the second connecting pipe is connected between the second valve port of the valve body and the air suction port of the compressor; the pressure relief structure is integrated between the first connecting pipe and the second connecting pipe, and can conduct the first connecting pipe and the second connecting pipe to realize pressure relief; the air conditioning system with the four-way reversing valve with the pressure relief function integrates the structure with the pressure relief function in the air conditioning system on the four-way reversing valve, so that the problem of leakage of a pressure relief pipeline caused by large vibration of a compressor is solved, the daily maintenance and the replacement of parts are more convenient, and the maintenance and replacement cost of the parts is saved.
Description
Technical Field
The utility model relates to the technical field of household air conditioning equipment, in particular to a four-way reversing valve with a pressure relief function and an air conditioning device.
Background
An air source heat pump is an energy-saving device which utilizes high-level energy to enable heat to flow from low-level heat source air to a high-level heat source. It is a form of heat pump, and can convert the low-level heat energy (such as heat contained in air, soil and water) which can not be directly utilized into high-level heat energy which can be utilized, so that the goal of saving part of high-level energy (such as coal, gas, oil and electric energy) can be achieved. A heat pump is an energy saving device that uses high level energy to cause heat to flow from a low level heat source to a high level heat source. The air is used as a low-level heat source of the heat pump, is inexhaustible, is available everywhere and can be acquired without compensation, and the air source heat pump is convenient to install and use. The research, production and application of air source heat pumps (also called air cooling heat pumps) in China are developed rapidly only in the end of the 80 s in the 20 th century. The current products comprise a household heat pump air conditioner, a commercial unit type heat pump air conditioning unit, a heat pump cold and hot water unit and the like.
At present, low temperature air source heat pump is because of its energy-concerving and environment-protective characteristic is rapid in the heating market popularization in north, it is low to have service environment temperature, go out water temperature advantage such as high, take place high-pressure protection easily when water side discharge is less, but in prior art scheme, can increase pressure release structure at the compressor gas vent, pressure release structure installs at the compressor suction and exhaust mouth, the compressor is the moving part, the vibration is great, cause the pressure release pipeline to leak easily, simultaneously in process of production, the pressure release structure of different producer designs is different, hardly guarantee the reliability of pressure release pipeline.
In view of the above, the present invention is particularly proposed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides a four-way reversing valve with a pressure relief function and an air conditioner.
In order to achieve the purpose, according to one aspect of the utility model, the following technical scheme is adopted:
a four-way reversing valve with pressure relief, comprising: the valve body, the inside valve pocket that forms of valve body, be equipped with the four valve ports that are linked together with the valve pocket on the valve body, the four-way reversing valve that has the pressure release function still includes: the first connecting pipe is connected between the first valve port of the valve body and an exhaust port of the compressor; the second connecting pipe is connected between the second valve port of the valve body and the air suction port of the compressor; and the pressure relief structure is integrated between the first connecting pipe and the second connecting pipe and can be communicated with the first connecting pipe and the second connecting pipe to realize pressure relief.
Further, the pressure relief structure includes:
the pressure relief pipe is connected between the first connecting pipe and the second connecting pipe; the electromagnetic valve is arranged on the pressure relief pipe, and high-pressure gas can be guided to the second connecting pipe from the first connecting pipe for pressure relief by controlling the on-off of the electromagnetic valve.
Further, the solenoid valve includes a first port and a second port.
Further, the pressure relief tube comprises: the first section of pressure relief pipe is connected between the first interface and the first connecting pipe; and the second section of pressure relief pipe is connected between the second interface and the second connecting pipe.
Further, the solenoid valve further comprises a valve housing with a hollow interior, and a valve core disposed in the valve housing.
Preferably, the first interface and the second interface are arranged on the valve shell, a pressure relief flow guide channel is arranged in the valve core, and the pressure relief flow guide channel can be communicated with the first interface and the second interface respectively by controlling the rotation of the valve core.
Furthermore, a third interface is arranged on the pipe wall of the first connecting pipe, and the first section of pressure relief pipe is connected between the first interface and the third interface; and a fourth interface is arranged on the pipe wall of the second connecting pipe, and the second section of pressure relief pipe is connected between the second interface and the fourth interface.
Preferably, the third interface and the fourth interface face in the same direction.
Further, the pressure relief pipe is a pressure relief capillary.
Furthermore, the four-way reversing valve also comprises a slide block; the sliding block is arranged in the valve cavity and can be arranged in a sliding mode along the valve cavity so as to switch the four valve ports to be in a two-to-two communication state.
Furthermore, pistons are arranged at two ends of the sliding block, the four-way reversing valve further comprises a pilot valve matched with the pistons, and the pilot valve is arranged on the valve body.
Further, the four-way selector valve further comprises: a first capillary tube connected between the pilot valve and the first connection tube; the second capillary tube is connected between the pilot valve and the second connecting tube; and a third capillary tube and a fourth capillary tube respectively connected between the pilot valve and the valve body.
The utility model also provides an air conditioning system, which comprises the four-way reversing valve with the pressure relief function.
After adopting the technical scheme, compared with the prior art, the utility model has the following beneficial effects:
the four-way reversing valve has a conventional function, and integrates a structure with a pressure relief function in an air conditioning system on the four-way reversing valve, so that the problem of leakage of a pressure relief pipeline caused by large vibration of a compressor is solved, the daily maintenance and the replacement of parts are more convenient, and the maintenance and replacement cost of the parts is saved.
Drawings
FIG. 1 is a schematic structural diagram of a four-way reversing valve with pressure relief function according to an embodiment of the utility model;
FIG. 2 is a schematic rear view of the four-way reversing valve with pressure relief function of the base of FIG. 1;
FIG. 3 is a right side view schematic illustration of the four-way reversing valve with pressure relief function of the base of FIG. 1;
in the figure:
a 100-four-way reversing valve; 101-a first valve port; 102-a second valve port; 103-a third valve port; 104-a fourth valve port; 105-a first take-over; 106-a second takeover; 107-third take over; 108-a fourth take over; 109-a valve body; 110-a third interface; 111-a fourth interface; 112-fifth interface; 113-a sixth interface; 114-a seventh interface; 115-eighth interface;
200-a pressure relief structure; 201-pressure relief pipe; 202-electromagnetic valve; 203-a first interface; 204-a second interface; 205-first section pressure relief tube; 206-second section pressure relief pipe;
300-a pilot valve; 301-a first capillary; 302-a second capillary; 303-a third capillary; 304-fourth capillary.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The four-way reversing valve 100 is mainly applied to a heat pump type air conditioner, and is structurally mainly provided with four pipelines connected with the four pipelines, so that the four pipelines are commonly called as a four-way valve, the four pipelines are generally called as a connecting pipe D, a connecting pipe E, a connecting pipe S and a connecting pipe C, and the four-way reversing valve 100 is used for changing the functions of the air conditioner by changing the flow direction of a refrigerant in a system, so that the functions of refrigeration, heating or defrosting and the like are switched. The four-way reversing valve 100 further includes a pilot valve 300 (or called pilot valve, electromagnetic pilot valve 300, electromagnetic pilot valve, etc.), the four-way reversing valve 100 is controlled by the pilot valve 300, and the two are connected by three or four capillary tubes (or called pilot capillary tubes). The pilot valve 300 is composed of a valve bowl, a spring, an iron core, an electromagnetic coil and the like, and four valve holes connected with a guide capillary tube are formed in a main valve body 109 of the pilot valve 300.
Three of four connecting pipes of the four-way reversing valve 100 are arranged on the same side, the middle connecting pipe is connected with a compressor air suction pipe, the other two connecting pipes are connected with an indoor heat exchanger and an outdoor heat exchanger, the other connecting pipe is arranged on the other side and connected with a compressor exhaust pipe, a semicircular slide block and two pistons with small holes are arranged in a valve body 109, the slide block is used as a valve and can move left and right in the valve body 109, the two connecting pipes on the lower side are communicated through two valve holes covered by the slide block, the other connecting pipe on the lower side is communicated with the valve body 109 through the other valve hole, and the pistons and the slide blocks are connected together through a valve frame and can move synchronously.
When the air conditioner operates in a refrigerating mode, the coil of the pilot valve 300 is powered off, the iron core pushes the valve bowl to move left, the capillary tube D is communicated with the capillary tube C (high pressure), the capillary tube a is communicated with the capillary tube b (low pressure), the capillary tube C and the capillary tube D are communicated with an exhaust pipe of the compressor, high-pressure gas is filled in the capillary tube D to form a high-pressure area, the capillary tube a and the capillary tube b are communicated with an air suction pipe of the compressor to form a low-pressure area, the piston moves to the left under the action of pressure, the connecting pipe D is communicated with the connecting pipe C, high-pressure refrigerant gas in the connecting pipe D enters an outdoor heat exchanger (serving as a condenser) through the connecting pipe C to dissipate heat outdoors, then enters an indoor heat exchanger (evaporator) through the capillary tube, then enters the connecting pipe S through the connecting pipe E, and finally returns to the compressor to complete a refrigerating cycle.
When the air conditioner is in heating operation, the coil of the pilot valve 300 is connected with a power supply, the iron core drives the valve bowl to move right, so that the capillary tube a is communicated with the capillary tube D (high pressure), the capillary tube b is communicated with the capillary tube C (low pressure), a high pressure area is formed by filling high pressure gas into the capillary tubes a and D because the capillary tubes a and D are communicated with an exhaust pipe of the compressor, the capillary tube b and the capillary tube C are communicated with an air suction pipe of the compressor to form a low pressure area, at the moment, the piston moves to the right side under the action of pressure, the connecting pipe D is communicated with the connecting pipe E, high pressure refrigerating gas in the connecting pipe D enters the indoor heat exchanger (serving as a condenser) through the connecting pipe E to dissipate heat indoors, then enters the outdoor heat exchanger (evaporator) through the capillary tube, then enters the connecting pipe S through the connecting pipe C, and finally returns to the compressor to complete heating circulation.
Present low temperature air source heat pump is because of its energy-concerving and environment-protective characteristic is rapid in north heating market promotion, it has the service environment temperature low, go out water temperature advantage such as high, take place high-pressure protection easily when water side discharge is less, but in prior art scheme, can increase pressure release structure 200 at the compressor gas vent, pressure release structure 200 installs at the compressor and inhales the gas vent, the compressor is the moving part, the vibration is great, cause pressure release pipe 201 way to leak easily, simultaneously in process of production, the pressure release structure 200 of different producer designs is different, hardly guarantee the reliability of pressure release pipe 201 way.
In current air conditioning system, for solving system's pressure release problem, can increase pressure release structure 200 at the compressor gas vent, pressure release structure 200 installs and inhales the gas vent at the compressor, and the compressor is as moving part, and the vibration is great, causes the pressure release pipe 201 way to leak easily, and simultaneously in process of production, the pressure release structure 200 of different producer designs is different, hardly guarantees the reliability on pressure release pipe 201 way, has also brought the problem for maintenance and change.
The present invention will be described in further detail with reference to examples.
As shown in fig. 1 to 3, the embodiment discloses a four-way selector valve 100 with pressure relief function, comprising: the valve body 109, the inside valve pocket that forms of valve body 109, be equipped with the four valve ports that are linked together with the valve pocket on the valve body 109, four-way reversing valve 100 that has the pressure release function still includes: a first connection pipe 105 connected between the first valve port 101 of the valve body 109 and an exhaust port of the compressor; a second connection pipe 106 connected between the second valve port 102 of the valve body 109 and a suction port of the compressor; the pressure relief structure 200 is integrated between the first connecting pipe 105 and the second connecting pipe 106, and can conduct the first connecting pipe 105 and the second connecting pipe 106 to realize pressure relief. It is understood that the third port 103 and the fourth port 104 are connected to the third connection pipe 107 and the fourth connection pipe 108, respectively.
The four-way reversing valve 100 in the embodiment has the conventional function, and meanwhile, the existing pressure relief structure 200 in the air conditioning system is integrated on the four-way reversing valve 100 by combining the characteristics of small pipeline vibration and higher reliability of the four-way reversing valve 100, so that the problem of leakage of a pressure relief pipe 201 caused by large vibration of a compressor is solved; the four-way reversing valve 100 is produced and assembled by manufacturers in a unified way, the product consistency is good, the daily maintenance and replacement are more convenient, the maintenance and replacement cost of parts is saved, and the burden of a host production enterprise is reduced.
Further, as shown in fig. 1, the four-way reversing valve with pressure relief function according to an embodiment of the present invention is schematically configured, where the pressure relief structure 200 only includes a pressure relief pipe 201 and a solenoid valve 202, and the pressure relief pipe 201 is connected between the first connecting pipe 105 and the second connecting pipe 106; the electromagnetic valve 202 is arranged on the pressure relief pipe 201, and the high-pressure gas can be guided to the second connecting pipe 106 from the first connecting pipe 105 for pressure relief by controlling the on-off of the electromagnetic valve 202. The pressure relief structure 200 in this embodiment is simple, and only the pressure relief pipe 201 and the electromagnetic valve 202 are included to complete the pressure relief work of the system, and the pressure relief pipe 201 and the electromagnetic valve 202 are conventional parts, so that the maintenance and the replacement are more convenient, and the cost is saved.
Further, as shown in fig. 3, which is a schematic diagram of a right side view of the four-way reversing valve with the pressure relief function based on fig. 1, the solenoid valve 202 includes a first port 203 and a second port 204. The pressure relief pipe 201 comprises a first section 205 and a second section 206. A first section of pressure relief pipe 205 is connected between the first interface 203 and the first adapter 105; a second pressure relief pipe 206201 is connected between the second port 204 and the second adapter 106. By controlling the on-off of the electromagnetic valve 202, the first connecting pipe 105, the first section pressure relief pipe 205, the electromagnetic valve 202, the second section pressure relief pipe 206 and the second connecting pipe 106 can be connected to realize pressure relief.
Further, the solenoid valve 202 further includes a valve housing having a hollow interior, and a valve element disposed in the valve housing.
Preferably, the first port 203 and the second port 204 are disposed on the valve housing, a pressure relief flow guide channel is disposed in the valve core, and the pressure relief flow guide channel can be respectively communicated with the first port 203 and the second port 204 by controlling the rotation of the valve core, so that the first connection pipe 105, the first section of pressure relief pipe 205, the electromagnetic valve 202, the second section of pressure relief pipe 206, and the second connection pipe 106 are communicated.
Further, as shown in fig. 3, the four-way reversing valve with a pressure relief function based on fig. 1 is a schematic right-side view structure diagram, a third interface 110 is arranged on a pipe wall of the first connecting pipe 105, and the first section of pressure relief pipe 205201 is connected between the first interface 203 and the third interface 110; the pipe wall of the second connecting pipe 106 is provided with a fourth interface 111, and the second section of pressure relief pipe 206201 is connected between the second interface 204 and the fourth interface 111.
Preferably, as shown in fig. 3, the four-way reversing valve with the pressure relief function is shown in a right side view structure schematic diagram based on fig. 1, and the third interface 110 and the fourth interface 111 face the same direction, so that the direction of the capillary tube can be optimized, and the length of the capillary tube can be saved.
Further, the pressure relief pipe 201 is a pressure relief capillary, that is, the first section of pressure relief pipe 205 is a first section of pressure relief capillary, and the second section of pressure relief pipe 206 is a second section of pressure relief capillary.
Further, the four-way reversing valve 100 also includes a slider; the sliding block is arranged in the valve cavity and can be arranged in a sliding mode along the valve cavity so as to switch the four valve ports to be in a two-to-two communication state. Pistons are arranged at two ends of the sliding block, the four-way reversing valve 100 further comprises a pilot valve 300 matched with the pistons, and the pilot valve 300 is arranged on the valve body 109.
Further, as shown in fig. 2, it is a schematic diagram of a back view structure of the four-way reversing valve with pressure relief function based on fig. 1, and the four-way reversing valve 100 further includes: a first capillary tube 301, a second capillary tube 302, a third capillary tube 303, and a fourth capillary tube 304, the first capillary tube 301 being connected between the pilot valve 300 and the first connection pipe 105; a second capillary tube 302 is connected between the pilot valve 300 and the second spud 106; and a third capillary tube 303 and a fourth capillary tube 304 connected between the pilot valve 300 and the valve body 109, respectively.
It can be understood that, as shown in fig. 2, which is a schematic diagram of a rear view structure of the four-way reversing valve with a pressure relief function based on fig. 1, the pilot valve 300 also includes another four ports, namely, a fifth port, a sixth port, a seventh port and an eighth port, the fifth interface 112 is disposed on the first connecting pipe 105, the sixth interface 113 is disposed on the second connecting pipe 106, and the seventh interface 114 and the eighth interface 115 are respectively disposed at two ends of the valve body 109 of the four-way reversing valve 100; specifically, the first capillary tube 301 is connected between the fifth port of the pilot valve 300 and the fifth port 112 of the first connection tube 105; the second capillary 302 is connected between the sixth port of the pilot valve 300 and the sixth port 113 of the second connection pipe 106; the third capillary tube 303 is connected between the seventh port of the pilot valve 300 and the seventh port 114 on the valve body 109 of the four-way reversing valve 100; the fourth capillary tube 304 is coupled between the eighth port of the pilot valve 300 and the eighth port 115 on the valve body 109 of the four-way reversing valve 100.
The embodiment also provides an air conditioning system, which comprises the four-way reversing valve 100 with the pressure relief function. The air conditioning system may further include a controller for controlling the pressure relief structure 200 to relieve pressure when a preset condition is reached.
It is to be understood that the connection pipe D, the connection pipe E, the connection pipe S, and the connection pipe C in the embodiment may be understood as corresponding to the first connection pipe 105, the second connection pipe 106, the third connection pipe 107, and the fourth connection pipe 108 in the embodiment, respectively. The capillary a, the capillary b, the capillary c, and the capillary d may be understood to correspond to the third capillary 303, the second capillary 302, the fourth capillary 304, and the first capillary 301, respectively, in the present embodiment.
Example one
As shown in fig. 1 to 3, the present embodiment discloses a four-way selector valve 100 having a pressure relief function, including: a valve body 109, a valve cavity is formed inside the valve body 109, four valve ports communicated with the valve cavity are arranged on the valve body 109, as shown in fig. 2, the four valve ports are a schematic rear view structure diagram of the four-way reversing valve with a pressure relief function on the basis of fig. 1, the four valve ports respectively correspond to a first connecting pipe 105, a second connecting pipe 106, a third connecting pipe 107 and a fourth connecting pipe 108, the first connecting pipe 105 is connected between the first valve port 101 of the valve body 109 and an exhaust port of the compressor, and the second connecting pipe 106 is connected between the second valve port 102 of the valve body 109 and an intake port of the compressor; the third port 103 and the fourth port 104 are connected to a third connection pipe 107 and a fourth connection pipe 108, respectively.
The four-way reversing valve 100 further comprises a sliding block, wherein the sliding block is arranged in the valve cavity and is arranged in a sliding mode along the valve cavity so as to switch the four valve ports (four connecting pipes) to be in a two-to-two communication state. Pistons are arranged at two ends of the sliding block, the four-way reversing valve 100 further comprises a pilot valve 300 matched with the pistons, and the pilot valve 300 is arranged on the valve body 109. The four-way reversing valve 100 also includes a first capillary tube 301, a second capillary tube 302, a third capillary tube 303, and a fourth capillary tube 304. The pilot valve 300 comprises a fifth valve port, a sixth valve port, a seventh valve port and an eighth valve port, the first connecting pipe 105 is provided with a fifth interface 112, the second connecting pipe 106 is provided with a sixth interface 113, and two ends of the valve body 109 of the four-way reversing valve 100 are respectively provided with a seventh interface 114 and an eighth interface 115; specifically, the first capillary tube 301 is connected between the fifth port of the pilot valve 300 and the fifth port 112 of the first connection tube 105; the second capillary 302 is connected between the sixth port of the pilot valve 300 and the sixth port 113 of the second connection pipe 106; the third capillary tube 303 is connected between the seventh port of the pilot valve 300 and the seventh port 114 on the valve body 109 of the four-way reversing valve 100; the fourth capillary tube 304 is coupled between the eighth port of the pilot valve 300 and the eighth port 115 on the valve body 109 of the four-way reversing valve 100.
As shown in fig. 3, which is a schematic diagram of a right side view structure of the four-way reversing valve with pressure relief function based on fig. 1, the four-way reversing valve with pressure relief function 100 further includes a pressure relief structure 200, which is integrated between the first connecting pipe 105 and the second connecting pipe 106, and can conduct the first connecting pipe 105 and the second connecting pipe 106 to achieve pressure relief. Specifically, the pressure relief structure 200 may only include a pressure relief pipe 201 and a solenoid valve 202, wherein the pressure relief pipe 201 is connected between the first connecting pipe 105 and the second connecting pipe 106; the pipe wall of the first connecting pipe 105 is provided with a third interface 110, and the pipe wall of the second connecting pipe 106 is provided with a fourth interface 111. The pressure relief pipe 201 comprises a first section of pressure relief capillary and a second section of pressure relief capillary. The electromagnetic valve 202 is arranged on the pressure relief pipe 201, the electromagnetic valve 202 further comprises an internal hollow valve casing and a valve core arranged in the valve casing, a first interface 203 and a second interface 204 are arranged on the valve casing, a pressure relief flow guide channel is arranged in the valve core, and the pressure relief flow guide channel can be communicated with the first interface 203 and the second interface 204 respectively by controlling the rotation of the valve core, so that the first connecting pipe 105, the first section of pressure relief pipe 205, the electromagnetic valve 202, the second section of pressure relief pipe 206 and the second connecting pipe 106 are communicated. A first section of pressure relief capillary is connected between the first port 203 and the third port 110 of the first adapter 105; a second section of pressure relief capillary is connected between the second port 204 and the fourth port 111 of the second adapter 106.
As shown in fig. 3, which is a schematic diagram of a right side view structure of the four-way reversing valve with a pressure relief function based on fig. 1, the third interface 110 and the fourth interface 111 face the same direction, so that the trend of the capillary tube can be optimized, and the usage length of the capillary tube can be saved.
By controlling the on-off of the electromagnetic valve 202, the first connecting pipe 105, the first section pressure relief pipe 205, the electromagnetic valve 202, the second section pressure relief pipe 206 and the second connecting pipe 106 can be connected to realize pressure relief. The pressure relief structure 200 in this embodiment is simple, and only the pressure relief pipe 201 and the electromagnetic valve 202 are included to complete the pressure relief work of the system, and the pressure relief pipe 201 and the electromagnetic valve 202 are conventional parts, so that the maintenance and the replacement are more convenient, and the cost is saved.
The four-way reversing valve 100 in the embodiment has the conventional function, and meanwhile, the existing pressure relief structure 200 in the air conditioning system is integrated on the four-way reversing valve 100 by combining the characteristics of small pipeline vibration and higher reliability of the four-way reversing valve 100, so that the problem of leakage of a pressure relief pipe 201 caused by large vibration of a compressor is solved; the four-way reversing valve 100 is produced and assembled by manufacturers in a unified way, the product consistency is good, the daily maintenance and replacement are more convenient, the maintenance and replacement cost of parts is saved, and the burden of a host production enterprise is reduced.
Example two
The embodiment discloses an air conditioning system using the four-way reversing valve 100 with the pressure relief function in the first embodiment, and the air conditioning system controls the pressure relief structure 200 to relieve pressure when a preset condition is reached. Of course, the air conditioning system may further include a controller, and the controller may directly control the pressure relief structure 200 to perform pressure relief.
The four-way reversing valve 100 in the embodiment has the conventional function, and meanwhile, the existing pressure relief structure 200 in the air conditioning system is integrated on the four-way reversing valve 100 by combining the characteristics of small pipeline vibration and higher reliability of the four-way reversing valve 100, so that the problem of leakage of a pressure relief pipe 201 caused by large vibration of a compressor is solved; the four-way reversing valve 100 is produced and assembled by manufacturers in a unified way, the product consistency is good, the daily maintenance and replacement are more convenient, the maintenance and replacement cost of parts is saved, and the burden of a host production enterprise is reduced.
It should be understood that the application range of the four-way reversing valve 100 with pressure relief function is not limited to air conditioning systems, and any device or system to which the four-way reversing valve 100 with pressure relief function can be applied is within the scope of the present application, and is not limited to any particular system or device.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (10)
1. A four-way reversing valve with pressure relief, comprising: the valve body, the inside valve pocket that forms of valve body, be equipped with four valve ports that are linked together with the valve pocket on the valve body, its characterized in that still includes:
the first connecting pipe is connected between the first valve port of the valve body and an exhaust port of the compressor;
the second connecting pipe is connected between the second valve port of the valve body and the air suction port of the compressor;
and the pressure relief structure is integrated between the first connecting pipe and the second connecting pipe and can be communicated with the first connecting pipe and the second connecting pipe to realize pressure relief.
2. The four-way reversing valve with the pressure relief function according to claim 1, wherein the pressure relief structure comprises:
the pressure relief pipe is connected between the first connecting pipe and the second connecting pipe;
the electromagnetic valve is arranged on the pressure relief pipe, and high-pressure gas can be guided to the second connecting pipe from the first connecting pipe for pressure relief by controlling the on-off of the electromagnetic valve.
3. The four-way reversing valve with the pressure relief function according to claim 2, wherein the solenoid valve comprises a first port and a second port;
the pressure relief tube includes:
the first section of pressure relief pipe is connected between the first interface and the first connecting pipe;
and the second section of pressure relief pipe is connected between the second interface and the second connecting pipe.
4. The four-way reversing valve with the pressure relief function according to claim 3, wherein the solenoid valve further comprises a valve housing with a hollow interior, and a valve core disposed in the valve housing;
the first interface and the second interface are arranged on the valve shell, the pressure relief flow guide channel is arranged in the valve core, and the pressure relief flow guide channel can be communicated with the first interface and the second interface respectively by controlling the rotation of the valve core.
5. The four-way reversing valve with the pressure relief function according to claim 4, wherein a third port is arranged on the pipe wall of the first connecting pipe, and the first section of pressure relief pipe is connected between the first port and the third port;
a fourth interface is arranged on the pipe wall of the second connecting pipe, and the second section of pressure relief pipe is connected between the second interface and the fourth interface;
the third interface and the fourth interface face the same direction.
6. The four-way reversing valve with the pressure relief function according to any one of claims 2 to 5, wherein the pressure relief pipe is a pressure relief capillary.
7. The four-way reversing valve with the pressure relief function according to any one of claims 1 to 5, further comprising a slider;
the sliding block is arranged in the valve cavity and can be arranged in a sliding mode along the valve cavity so as to switch the four valve ports to be in a two-to-two communication state.
8. The four-way reversing valve with the pressure relief function according to claim 7, wherein pistons are arranged at two ends of the sliding block, the four-way reversing valve further comprises a pilot valve matched with the pistons, and the pilot valve is arranged on the valve body.
9. The four-way reversing valve with the pressure relief function according to claim 8,
the four-way reversing valve further comprises:
a first capillary tube connected between the pilot valve and the first connection tube;
and a second capillary tube connected between the pilot valve and the second connection tube.
10. An air conditioning system characterized by comprising the four-way selector valve having a pressure release function according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121708386.3U CN216078406U (en) | 2021-07-26 | 2021-07-26 | Four-way reversing valve with pressure relief function and air conditioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121708386.3U CN216078406U (en) | 2021-07-26 | 2021-07-26 | Four-way reversing valve with pressure relief function and air conditioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216078406U true CN216078406U (en) | 2022-03-18 |
Family
ID=80666466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121708386.3U Active CN216078406U (en) | 2021-07-26 | 2021-07-26 | Four-way reversing valve with pressure relief function and air conditioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216078406U (en) |
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2021
- 2021-07-26 CN CN202121708386.3U patent/CN216078406U/en active Active
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