CN214222094U - Multi-way valve and electric vehicle thermal management system - Google Patents
Multi-way valve and electric vehicle thermal management system Download PDFInfo
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- CN214222094U CN214222094U CN202022597768.5U CN202022597768U CN214222094U CN 214222094 U CN214222094 U CN 214222094U CN 202022597768 U CN202022597768 U CN 202022597768U CN 214222094 U CN214222094 U CN 214222094U
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Abstract
A multi-way valve comprises a valve body, a first valve core and a second valve core, wherein the valve body is provided with a first accommodating cavity, a second accommodating cavity, a through hole and a plurality of interfaces; the first valve core is rotatably arranged in the first accommodating cavity and comprises a first core body and a plurality of first channels, and the first channels are arranged on the first core body; the second valve core is rotatably arranged in the second containing cavity and comprises a second core body and a plurality of second channels, and the second channels are arranged on the second core body; the first valve core and the second valve core are switched to communicate with the interfaces through rotation of different first channels and different second channels. The multi-way valve adopts a double-valve-core design, a plurality of interfaces are arranged on the valve body, channels with different trends are arranged on the first valve core and the second valve core, the switching of various passages can be realized by rotating the first valve core and the second valve core, the distance of pipeline connection is shortened, and the arrangement of pipelines is simplified.
Description
Technical Field
The application relates to a thermal management technology, in particular to a multi-way valve and an electric vehicle thermal management system.
Background
With the development of economy and technology, electric vehicles are becoming the main development direction of the automobile industry. The heat management system is gradually developing towards miniaturization and integration as a key component of the electric automobile.
In the prior art, in order to meet the system functions and switching requirements, integrated heat management schemes usually adopt multi-way valves for connection, and the existing valve bank is formed by a five-way valve, a four-way valve and a three-way valve in a distributed manner, so that the occupied space is large. Meanwhile, in order to realize connection between valves, pipelines are long, integration is not facilitated, and flow resistance of high-pressure refrigerant in the flowing process is large, so that performance and power consumption of a system are affected.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is desirable to provide a multi-way valve and a thermal management system for an electric vehicle, which can realize integration and miniaturization of switching of pipelines.
In a first aspect of the embodiments of the present application, a multi-way valve is provided, which includes a valve body, a first valve core and a second valve core, wherein the valve body is provided with a first receiving cavity, a second receiving cavity, a through hole and a plurality of interfaces, the through hole is disposed between the first receiving cavity and the second receiving cavity to communicate the first receiving cavity with the second receiving cavity, the plurality of interfaces are respectively disposed on a sidewall of the first receiving cavity or the second receiving cavity, and the interfaces are used for communicating the first receiving cavity or the second receiving cavity with an external pipeline; the first valve core is rotatably arranged in the first accommodating cavity and comprises a first core body and a plurality of first channels, and the first channels are arranged on the first core body; the second valve core is rotatably arranged in the second containing cavity and comprises a second core body and a plurality of second channels, and the second channels are arranged on the second core body; the first valve core and the second valve core are communicated with the interface by switching different first channels and different second channels through rotation.
The multi-way valve adopts a double-valve-core design of the first valve core and the second valve core, a plurality of interfaces are arranged on the valve body, channels with different trends are arranged on the first valve core and the second valve core, the switching of various channels can be realized by rotating the first valve core and the second valve core, the distance of pipeline connection is shortened, the arrangement of pipelines is simplified, and the miniaturization of the multi-way valve is realized.
In a possible design of the first aspect, the connectors are divided into four groups, a first group of connectors is adjacent to a second group of connectors and is respectively communicated with the first accommodating cavity, and a third group of connectors is adjacent to a fourth group of connectors and is respectively communicated with the second accommodating cavity. The four groups of designed interfaces can realize the mutual communication between the first valve core and the second valve core and the communication between the valve cores.
In a possible design of the first aspect, the interfaces are divided into three layers, where the interfaces include a first interface, a second interface, a third interface, a fourth interface, a fifth interface, a sixth interface, a seventh interface, an eighth interface, a ninth interface, a tenth interface, and an eleventh interface, the first interface, the fifth interface, the sixth interface, the eighth interface, and the through hole are located in a first layer, the second interface, the seventh interface, and the eleventh interface are located in a second layer, and the third interface, the fourth interface, the ninth interface, and the tenth interface are located in a third layer.
In a possible design of the first aspect, the first interface, the second interface, and the ninth interface are the first set of interfaces, the eighth interface, the seventh interface, and the fourth interface are the second set of interfaces, the fifth interface, the eleventh interface, and the third interface are the third set of interfaces, and the sixth interface, and the tenth interface are the fourth set of interfaces.
In one possible design of the first aspect, the plurality of first channels form a three-layer and six-row structure of a first layer, a second layer and a third layer arranged in an axial direction on the first core, and extend in the axial direction or the circumferential direction of the first core, respectively.
In a possible design of the first aspect, the first channels are divided into three groups along a circumferential direction of the first core, each group occupies two rows, the first group includes a first flow channel, a second flow channel and a third flow channel, the first flow channel and the second flow channel are arranged in two rows side by side and extend from the first layer to the second layer along an axial direction of the first core, the third flow channel is located in the third layer, the third flow channel extends from one row near one end of the first flow channel to one row near an opposite end of the second flow channel along the circumferential direction, the second group includes a fourth flow channel, a fifth flow channel and a sixth flow channel, the fourth flow channel and the fifth flow channel are arranged in two rows side by side and extend from the second layer to the third layer along the axial direction of the first core, the sixth flow channel is located in the first layer, and the sixth flow channel extends from one row near one end of the fourth flow channel to one row near an opposite end of the fifth flow channel along the circumferential direction, the third group of the flow channels comprises seventh flow channels, eighth flow channels, ninth flow channels and tenth flow channels, the ninth flow channels and the tenth flow channels are arranged in two rows in parallel and extend along the axial direction of the first core body in the first layer, the seventh flow channels are located in the second layer, the seventh flow channels extend from one row close to one side of the fifth flow channels to one row close to one side of the first flow channels along the circumferential direction of the first core body, the eighth flow channels are located in the third layer, and the eighth flow channels extend from one row close to one side of the fifth flow channels to one row close to one side of the third flow channels along the circumferential direction of the first core body.
In one possible design of the first aspect, a plurality of the second channels form a three-layer structure of a first layer, a second layer, and a third layer arranged in an axial direction, a four-row structure of a first row, a second row, a third row, and a fourth row arranged in a circumferential direction on the second core, and extend in the axial direction or the circumferential direction of the second core, respectively.
In one possible design of the first aspect, the second passages include eleventh flow passages, twelfth flow passages, thirteenth flow passages, fourteenth flow passages, fifteenth flow passages, and sixteenth flow passages, the eleventh flow passages and the twelfth flow passages are located in a first row, the eleventh flow passages extend in a first layer, the twelfth flow passages extend from a second layer to a third layer along an axial direction of the second core, the thirteenth flow passages are located in a second row and extend from the first layer to the second layer along the axial direction of the second core, the fourteenth flow passages are located in the third layer and extend from the second row near one side of the twelfth flow passages to a fourth row near the other side of the twelfth flow passages in a circumferential direction of the second core, the fifteenth flow passages are located in the first layer and extend from the third row near one side of the thirteenth flow passages to the fourth row near one side of the eleventh flow passages in the circumferential direction of the second core, the sixteenth flow channel is located in the second layer, and extends from the third row on the side close to the thirteenth flow channel to the fourth row on the side close to the twelfth flow channel in the circumferential direction of the second core.
In a possible design of the first aspect, the multi-way valve further includes a driving member, the driving member is connected to the first core and the second core, and the driving member is configured to drive the first core and the second core to rotate. Through the rotation of the first core body and the second core body of driving piece drive, can be favorable to realizing the switching of automatic control pipeline.
In a possible design of the first aspect, the first valve core further includes a first rotating shaft, the first rotating shaft is disposed at one end of the first core, and the first rotating shaft is connected to the driving member.
In a possible design of the first aspect, the second valve core further includes a second rotating shaft, the second rotating shaft is disposed at one end of the second core, and the second rotating shaft is connected to the driving member.
In a possible design of the first aspect, the driving member includes a mounting shell, a driving controller, and a protective cover, the mounting shell is disposed on the valve body, the driving controller is disposed in the mounting shell, the driving controller is configured to control the first core and the second core to rotate, and the protective cover is disposed on the mounting shell.
In a possible design of the first aspect, the valve body is further provided with a sealing cover, and the sealing cover is used for sealing the first valve core and the second valve core in the first accommodating cavity and the second accommodating cavity respectively. The design of the sealing cover can effectively prevent the multi-way valve from leaking.
In one possible design of the first aspect, the multi-way valve further includes a sealing structure for placing the interface in sealing communication with the first channel or the second channel. The design of the sealing structure can prevent leakage between the interface and the channel.
The second aspect of the embodiment of the application provides an electric motor car thermal management system, including compressor, outside heat exchanger, inside heat exchanger, power assembly and the battery of tube coupling, electric motor car thermal management system still includes the first aspect and arbitrary one kind can design the multi-way valve, the multi-way valve is used for switching the compressor outside heat exchanger inside heat exchanger the power assembly reaches tube coupling between the battery.
The multi-way valve can be used for realizing integration of the valve, and is favorable for reducing the cost of a thermal management system.
Drawings
FIG. 1 is a schematic view of a multi-way valve according to an embodiment of the present disclosure.
FIG. 2 is a schematic view of another angle of construction of the multi-way valve of FIG. 1.
FIG. 3 is a partially exploded schematic view of the multi-way valve of FIG. 1.
FIG. 4 is a schematic view of another angle of the first and second spools of the multi-way valve of FIG. 3.
FIG. 5 is a schematic cross-sectional view of the multi-way valve of FIG. 1 taken along V-V.
FIG. 6 is a schematic illustration of a first mode of interfacing the multi-way valve of FIG. 1.
FIG. 7 is a schematic illustration of a second mode of interfacing the multi-way valve of FIG. 1.
FIG. 8 is a schematic illustration of a third mode of interfacing the multi-way valve of FIG. 1.
FIG. 9 is a schematic illustration of a fourth mode of interfacing the multi-way valve of FIG. 1.
FIG. 10 is a fifth mode of interfacing schematic views of the multi-way valve of FIG. 1.
FIG. 11 is a sixth mode of interfacing schematic views of the multi-way valve of FIG. 1.
FIG. 12 is a schematic illustration of a seventh mode of interfacing the multi-way valve of FIG. 1.
Description of the main elements
The following detailed description will further illustrate the present application in conjunction with the above-described figures.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
In the following, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified. "Upper," "lower," "left," "right," and like directional terms are defined relative to the schematically-disposed orientations of elements in the figures, and it is to be understood that the directional terms are relative terms, which are used for descriptive and clarity purposes and are intended to correspond to changes in the orientation in which the elements in the figures are disposed.
In the present application, unless expressly stated or limited otherwise, the term "coupled" is to be construed broadly, e.g., "coupled" may be a fixed connection, a removable connection, or an integral part; may be directly connected or indirectly connected through an intermediate. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings, the drawings showing the partial structure of the device are not necessarily to scale, and are merely exemplary, which should not limit the scope of the invention.
Referring to fig. 1-4, a multi-way valve 100 is provided according to an embodiment of the present disclosure. The multi-way valve 100 includes a valve body 10, a first valve spool 20, a second valve spool 30, and a driver 40. The first valve spool 20 and the second valve spool 30 are rotatably disposed in the valve body 10, respectively. The first valve core 20 and the second valve core 30 are used for controlling the direction of the pipeline in the multi-way valve 100. The driving member 40 is connected to the first valve spool 20 and the second valve spool 30, respectively. The driving member 40 is used for driving the first valve spool 20 and the second valve spool 30 to rotate.
Referring to fig. 5, the valve body 10 is provided with a first receiving cavity 11, a second receiving cavity 12, a through hole 13 and a plurality of ports 14. The first receiving cavity 11 and the second receiving cavity 12 are arranged side by side. The through hole 13 is disposed between the first receiving cavity 11 and the second receiving cavity 12. The first receiving cavity 11 is communicated with the second receiving cavity 12 through a through hole 13. The first valve body 20 and the second valve body 30 have a cylindrical shape. The first valve core 20 is rotatably disposed in the first accommodating chamber 11. The second valve core 30 is rotatably disposed in the second accommodating cavity 12, and a rotating shaft of the second valve core 30 is parallel to a rotating shaft of the first valve core 20. The plurality of connectors 14 are respectively opened on the side wall of the first accommodating cavity 11 or the second accommodating cavity 12 and are respectively communicated with the outside. The connector 14 is used for respectively communicating the first accommodating cavity 11 or the second accommodating cavity 12 with an external pipeline.
The number of the interfaces 14 is eleven, and is divided into three layers and four groups. The interfaces 14 include a first interface 1401, a second interface 1402, a third interface 1403, a fourth interface 1404, a fifth interface 1405, a sixth interface 1406, a seventh interface 1407, an eighth interface 1408, a ninth interface 1409, a tenth interface 1410, and an eleventh interface 1411. The first set of interfaces 14 are respectively a first interface 1401, a second interface 1402 and a ninth interface 1409 from top to bottom, and are respectively communicated with the first accommodating cavity 11. The second set of ports 14 are respectively an eighth port 1408, a seventh port 1407 and a fourth port 1404 from top to bottom, and are respectively communicated with the first receiving cavity 11. The third set of ports 14 are respectively a fifth port 1405, an eleventh port 1411 and a third port 1403 from top to bottom, and are respectively communicated with the second receiving cavity 12. The fourth set of ports 14 is respectively the sixth port 1406 and the tenth port 1410 from top to bottom, and respectively communicates with the second receiving cavity 12. The first set of interfaces 14 is adjacent to the second set of interfaces 14, the third set of interfaces 14 is adjacent to the fourth set of interfaces 14, and the first interface 1401, the fifth interface 1405, the sixth interface 1406, the eighth interface 1408 and the through hole 13 are located on the first layer above. The second interface 1402, the seventh interface 1407 and the eleventh interface 1411 are located on the second layer in the middle. The third interface 1403, the fourth interface 1404, the ninth interface 1409, and the tenth interface 1410 are located on the lower third layer.
The first spool 20 includes a first core 21, a plurality of first passages 22, and a first rotary shaft 23. The first rotating shaft 23 is disposed at one end of the first core 21. The first rotating shaft 23 is used for connecting the driving member 40 to drive the first core 21 to rotate in the first accommodating cavity 11. The plurality of first passages 22 are provided around the circumferential direction of the first core 21, and extend in the axial direction or the circumferential direction of the first core 21, respectively.
The number of the first passages 22 on the first core 21 is ten, and six rows of structures are formed in the circumferential direction of the first core 21, wherein the six rows of structures are arranged in the circumferential direction and correspond to the interfaces 14 in layers. The first channel 22 includes a first flow channel 201, a second flow channel 202, a third flow channel 203, a fourth flow channel 204, a fifth flow channel 205, a sixth flow channel 206, a seventh flow channel 207, an eighth flow channel 208, a ninth flow channel 209, and a tenth flow channel 210.
The first passages 22 are divided into three groups each occupying two rows in the circumferential direction of the first core 21. Wherein, the first group comprises a first runner 201, a second runner 202 and a third runner 203. The first flow channels 201 and the second flow channels 202 are arranged in two side-by-side rows and extend from the first layer to the second layer in the axial direction of the first core 21. In the third layer, the third flow channels 203 extend in the circumferential direction from a row near one end of the first flow channels 201 to a row near the opposite end of the second flow channels 202. The second group includes a fourth flow passage 204, a fifth flow passage 205, and a sixth flow passage 206. The fourth flow channels 204 and the fifth flow channels 205 are arranged in two parallel rows, and extend from the second layer to the third layer in the axial direction of the first core 21. The sixth flow passage 206 is located in the first layer of the first core 21 away from the third flow passage 203, and the sixth flow passage 206 extends in the circumferential direction from a row near one end of the fourth flow passage 204 to a row near the opposite end of the fifth flow passage 205. The third group includes a seventh flow passage 207, an eighth flow passage 208, a ninth flow passage 209, and a tenth flow passage 210. The ninth flow passages 209 and the tenth flow passages 210 are arranged in two side-by-side rows and extend in the axial direction of the first core 21 in the first layer. In the second layer, the seventh flow channels 207 extend from a row on the side closer to the fifth flow channels 205 to a row on the side closer to the first flow channels 201 in the circumferential direction of the first core 21. In the third layer, the eighth flow channels 208 extend from one row on the side closer to the fifth flow channels 205 to one row on the side closer to the third flow channels 203 in the circumferential direction of the first core 21.
The second spool 30 includes a second spool body 31, a plurality of second passages 32, and a second rotary shaft 33. The second rotating shaft 33 is disposed at one end of the second core 31. The second shaft 33 is used for connecting the driving member 40 to drive the second core 31 to rotate in the second receiving cavity 12. The plurality of second passages 32 are provided around the circumferential direction of the second core 31, and extend in the axial direction or the circumferential direction of the second core 31, respectively.
The number of the second passages 32 on the second core 31 is six, and a four-row structure of three layers of the first layer, the second layer and the third layer arranged along the axial direction, the first row, the second row, the third row and the fourth row arranged along the circumferential direction is formed in the circumferential direction of the second core 31, corresponding to the first passages 22 layer by layer. The second channel 32 includes an eleventh channel 301, a twelfth channel 302, a thirteenth channel 303, a fourteenth channel 304, a fifteenth channel 305, and a sixteenth channel 306.
The eleventh flow channel 301 and the twelfth flow channel 302 are located in the first column. The eleventh flow passage 301 extends in the axial direction of the second core 31 in the first layer, and the twelfth flow passage 302 extends from the second layer to the third layer in the axial direction of the second core 31. The thirteenth flow channel 303 is located side by side with the eleventh flow channel 301 in the second row, and extends from the first layer to the second layer in the axial direction of the second core 31. The fourteenth flow channel 304 is located in the third layer, and extends from the second row near one side of the twelfth flow channel 302 to the fourth row near the other side of the twelfth flow channel 302 in the circumferential direction of the second core 31. The fifteenth flow channels 305 are located in the first layer and extend in the circumferential direction of the second core 31 from the third row on the side closer to the thirteenth flow channels 303 to the fourth row on the side closer to the eleventh flow channels 301. The sixteenth flow channel 306 is located in the second layer, and extends in the circumferential direction of the second core 31 from the third row on the side close to the thirteenth flow channel 303 to the fourth row on the side close to the twelfth flow channel 302.
The driving member 40 includes a mounting case 41, a driving controller 42, and a protective cover 43. The mounting case 41 is provided on the valve body 10. The drive controller 42 is provided in the mounting case 41. The protective cover 43 is disposed on the mounting case 41 to seal the driving controller 42 in the mounting case 41.
The driving controller 42 is connected to the first rotating shaft 23 and the second rotating shaft 33 to control the first valve spool 20 and the second valve spool 30 to rotate.
Further, the driving controller 42 includes a motor, a speed reducer, a control board, and the like to control the rotation of the first valve element 20 and the second valve element 30.
Further, a sealing cover 15 is also arranged on the valve body 10. The sealing caps 15 are used to seal the first valve body 20 and the second valve body 30 in the first receiving chamber 11 and the second receiving chamber 12, respectively. The sealing cover 15 is provided with a driving hole 151. The first rotating shaft 23 of the first valve body 20 and the second rotating shaft 33 of the second valve body 30 are respectively connected to the driving controller 42 through the driving hole 151 and the mounting case 41.
Further, a liquid accumulation cavity 16 is also arranged on the valve body 10. The dropsy cavity 16 is disposed between the first receiving cavity 11 and the second receiving cavity 12, and the through hole 13 communicates the first receiving cavity 11, the dropsy cavity 16 and the second receiving cavity 12. The dropsy cavity 16 is used for temporarily storing liquid so as to enable the liquid to rapidly circulate between the first accommodating cavity 11 and the second accommodating cavity 12 when the two are communicated.
Further, the multi-way valve 100 also includes a sealing structure 50. The seal structure 50 is used to seal the port 14 in communication with the first passage 22 of the first spool 20 or the second passage 32 of the second spool 30. The seal structure 50 includes a first seal structure 51 and a second seal structure 52. The first sealing structure 51 is disposed in the first receiving cavity 11. The second sealing structure 52 is disposed in the second receiving cavity 12.
The first seal structure 51 is sleeved outside the first valve element 20. The second seal structure 52 is disposed outside the second spool 30. The first and second seal structures 51 and 52 are used to seal the first passage 22 of the first valve spool 20 or the second passage 32 of the second valve spool 30, respectively. The first seal structure 51 and the second seal structure 52 are respectively provided with a communication hole 53. The communication hole 53 corresponds to the interface 14 and the through hole 13. The communication hole 53 is used to communicate the port 14 with the first passage 22 of the first valve body 20 or the second passage 32 of the second valve body 30, or to communicate the first passage 22 of the first valve body 20 with the through hole 13 and the second passage 32 of the second valve body 30.
Referring to fig. 6 to 12, seven modes of switching of the multi-way valve 100 are shown to realize communication of different pipelines, so as to realize thermal management in cooperation with a thermal management system of an electric vehicle.
As shown in fig. 6, the driving controller 42 drives and controls the first valve spool 20 and the second valve spool 30 to rotate: the second interface 1402 and the seventh interface 1407 are respectively communicated with the seventh flow channel 207, and the third interface 1403 and the eleventh interface 1411 are respectively communicated with the twelfth flow channel 302. At this time, liquid can be fed through the seventh interface 1407, and liquid can be discharged from the second interface 1402; the third interface 1403 is used for feeding liquid, and the eleventh interface 1411 is used for discharging liquid, so that heat management can be realized by matching with an electric vehicle heat management system, for example, heat dissipation of a power assembly and heat (air conditioning) of a condenser are realized.
As shown in fig. 7, the driving controller 42 drives and controls the first valve spool 20 and the second valve spool 30 to rotate: the first interface 1401 is communicated with the sixth flow passage 206, the second interface 1402 and the ninth interface 1409 are respectively communicated with the fifth flow passage 205, and the fifth interface 1405 is communicated with the fifteenth flow passage 305. At this time, both ends of the through hole 13 communicate with the sixth flow passage 206 and the fifteenth flow passage 305, respectively, so that the first port 1401 and the fifth port 1405 communicate. Liquid can be fed into the ninth interface 1409 and discharged from the second interface 1402; the fifth interface 1405 is used for feeding liquid, and the first interface 1401 is used for discharging liquid, so that heat management can be realized by matching with an electric vehicle heat management system, such as heat dissipation of a power assembly, heat (air conditioner is turned on) taken away from a condenser and heat dissipation of a battery pack.
As shown in fig. 8, the driving controller 42 drives and controls the first valve spool 20 and the second valve spool 30 to rotate: the first interface 1401 and the second interface 1402 are respectively communicated with the second flow passage 202, the fourth interface 1404 and the seventh interface 1407 are respectively communicated with the fourth flow passage 204, the third interface 1403 and the tenth interface 1410 are respectively communicated with the fourteenth flow passage 304, and the fifth interface 1405 and the eleventh interface 1411 are respectively communicated with the thirteenth flow passage 303. At the moment, liquid can be fed through the first interface 1401, and liquid can be discharged from the second interface 1402; the seventh interface 1407 feeds liquid, and the fourth interface 1404 feeds liquid; a third connector 1403 is used for feeding liquid, and a tenth connector 1410 is used for discharging liquid; the fifth interface 1405 is used for feeding liquid, and the eleventh interface 1411 is used for discharging liquid, so that thermal management can be realized by matching with an electric vehicle thermal management system, such as a power assembly heat heating evaporator, a passenger compartment heating and an evaporator cold energy releasing to the environment.
As shown in fig. 9, the driving controller 42 drives and controls the first valve spool 20 and the second valve spool 30 to rotate: the first interface 1401 and the second interface 1402 are respectively communicated with the second flow passage 202, the fourth interface 1404 and the seventh interface 1407 are respectively communicated with the fourth flow passage 204, the third interface 1403 and the tenth interface 1410 are respectively communicated with the fourteenth flow passage 304, and the fifth interface 1405 and the sixth interface 1406 are respectively communicated with the fifteenth flow passage 305. At the moment, liquid can be fed through the first interface 1401, and liquid can be discharged from the second interface 1402; the seventh interface 1407 feeds liquid, and the fourth interface 1404 feeds liquid; a third connector 1403 is used for feeding liquid, and a tenth connector 1410 is used for discharging liquid; the fifth interface 1405 is used for feeding liquid, and the sixth interface 1406 is used for discharging liquid, so that heat management can be realized by matching with an electric vehicle heat management system, and the waste heat recovery of a power assembly and the heating of a passenger compartment can be realized.
As shown in fig. 10, the driving controller 42 drives and controls the first valve spool 20 and the second valve spool 30 to rotate: the first interface 1401 and the eighth interface 1408 are respectively communicated with the sixth flow channel 206, the second interface 1402 and the ninth interface 1409 are respectively communicated with the fourth flow channel 204, the fourth interface 1404 and the seventh interface 1407 are respectively communicated with the fifth flow channel 205, the third interface 1403 and the tenth interface 1410 are respectively communicated with the fourteenth flow channel 304, and the fifth interface 1405 and the eleventh interface 1411 are respectively communicated with the thirteenth flow channel 303. At this time, liquid can be fed through the first interface 1401, and liquid can be discharged through the eighth interface 1408; the ninth interface 1409 feeds liquid, and the second interface 1402 outputs liquid; the seventh interface 1407 feeds liquid, and the fourth interface 1404 feeds liquid; a third connector 1403 is used for feeding liquid, and a tenth connector 1410 is used for discharging liquid; the fifth interface 1405 is used for liquid inlet, and the eleventh interface 1411 is used for liquid outlet, so that heat management can be realized by matching with an electric vehicle heat management system, such as power assembly waste heat recovery, passenger compartment heating and battery pack heating.
As shown in fig. 11, the driving controller 42 drives and controls the first valve spool 20 and the second valve spool 30 to rotate: the first interface 1401 and the second interface 1402 are respectively communicated with the first flow channel 201, the seventh interface 1407 and the eighth interface 1408 are respectively communicated with the second flow channel 202, the fourth interface 1404 and the ninth interface 1409 are respectively communicated with the third flow channel 203, the third interface 1403 and the tenth interface 1410 are respectively communicated with the fourteenth flow channel 304, and the fifth interface 1405 and the sixth interface 1406 are respectively communicated with the fifteenth flow channel 305. At the moment, liquid can be fed through the first interface 1401, and liquid can be discharged from the second interface 1402; a seventh interface 1407 feeds liquid, and an eighth interface 1408 feeds liquid; the ninth interface 1409 is used for feeding liquid, and the fourth interface 1404 is used for discharging liquid; a third connector 1403 is used for feeding liquid, and a tenth connector 1410 is used for discharging liquid; the fifth interface 1405 is used for feeding liquid, and the sixth interface 1406 is used for discharging liquid, so that heat management can be realized by matching with an electric vehicle heat management system, such as serial heat dissipation of a power assembly and a battery pack and heating of a passenger compartment.
As shown in fig. 12, the driving controller 42 drives and controls the first valve spool 20 and the second valve spool 30 to rotate: the first interface 1401 and the second interface 1402 are respectively communicated with the first flow channel 201, the seventh interface 1407 and the eighth interface 1408 are respectively communicated with the second flow channel 202, the fourth interface 1404 and the ninth interface 1409 are respectively communicated with the third flow channel 203, the third interface 1403 and the tenth interface 1410 are respectively communicated with the fourteenth flow channel 304, and the fifth interface 1405 and the eleventh interface 1411 are respectively communicated with the thirteenth flow channel 303. At the moment, liquid can be fed through the first interface 1401, and liquid can be discharged from the second interface 1402; a seventh interface 1407 feeds liquid, and an eighth interface 1408 feeds liquid; the ninth interface 1409 is used for feeding liquid, and the fourth interface 1404 is used for discharging liquid; a third connector 1403 is used for feeding liquid, and a tenth connector 1410 is used for discharging liquid; the fifth interface 1405 is used for liquid inlet, and the eleventh interface 1411 is used for liquid outlet, so that heat management can be realized by matching with an electric vehicle heat management system, for example, a power assembly and a battery pack are connected in series to dissipate heat and are placed in the environment, and a passenger compartment is heated and dehumidified.
It should be understood that in some embodiments of the present application, the number and arrangement of the ports 14 on the valve body 10, the number and arrangement of the first passages 22 on the first valve core 20, and the number and arrangement of the second passages 32 on the second valve core 30 can be changed, and it is only necessary to change the communication between the ports 14 and the first passages 22 on the first valve core 20 and the communication between the ports 32 on the second valve core 30 by rotating. For example, the channel can be designed into two layers, four layers or more than four layers.
The multi-way valve 100 provided by the embodiment of the application adopts the double-valve-core design of the first valve core 20 and the second valve core 30, the plurality of interfaces 14 are arranged on the valve body 10, the channels with different trends are arranged on the first valve core 20 and the second valve core 30, the switching of various channels can be realized by rotating the first valve core 20 and the second valve core 30, the interfaces 14 are concentrated on the multi-way valve 100, the distance of pipeline connection is shortened, the arrangement of pipelines is simplified, and the miniaturization of the multi-way valve is realized. And the adoption of the multi-way valve 100 can realize the integration of the valve, which is beneficial to reducing the cost of the heat management system.
The embodiment of this application still provides a pair of electric motor car thermal management system, electric motor car thermal management system includes compressor, outside heat exchanger, inside heat exchanger, power assembly, battery and above-mentioned multi-way valve 100, compressor, outside heat exchanger, inside heat exchanger, power assembly and battery pass through the pipeline and connect, and pass through different tube coupling in multi-way valve 100 with electric motor car thermal management system, it has the refrigerant to fill in the pipeline. The multi-way valve 100 is used for switching the connection between different pipelines in the thermal management system of the electric vehicle, so as to realize the flow of refrigerant in different pipelines or different directions, thereby realizing the switching of different thermal management modes in a matching manner.
The electric Vehicle thermal management system can be applied to electric devices such as common electric vehicles/Electric Vehicles (EV), pure electric vehicles (PEV/BEV), Hybrid Electric Vehicles (HEV), extended range electric vehicles (REEV), plug-in hybrid electric vehicles (PHEV), New Energy vehicles (New Energy Vehicle), electric buses, electric motorcycles and the like.
The above description is only an embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions within the technical scope of the present disclosure should be covered by the disclosure of the present application.
Claims (15)
1. A multi-way valve comprises a valve body, the valve body is provided with a plurality of interfaces, and is characterized in that,
the valve body is also provided with a first accommodating cavity, a second accommodating cavity and a through hole, the through hole is arranged between the first accommodating cavity and the second accommodating cavity so as to communicate the first accommodating cavity with the second accommodating cavity, the plurality of interfaces are respectively arranged on the side walls of the first accommodating cavity or the second accommodating cavity, and the interfaces are used for communicating the first accommodating cavity or the second accommodating cavity with an external pipeline; the multi-way valve further comprises:
the first valve core is rotatably arranged in the first accommodating cavity and comprises a first core body and a plurality of first channels, and the first channels are arranged on the first core body;
the second valve core is rotatably arranged in the second accommodating cavity and comprises a second core body and a plurality of second channels, and the second channels are arranged on the second core body;
the first valve core and the second valve core are communicated with the interface by switching different first channels and different second channels through rotation.
2. The multi-way valve of claim 1, wherein the ports are divided into four groups, a first group of ports being adjacent to a second group of ports and being in communication with the first receiving chamber, respectively, and a third group of ports being adjacent to a fourth group of ports and being in communication with the second receiving chamber, respectively.
3. The multi-way valve of claim 2, wherein the ports are divided into three layers, the ports including a first port, a second port, a third port, a fourth port, a fifth port, a sixth port, a seventh port, an eighth port, a ninth port, a tenth port, and an eleventh port, the first port, the fifth port, the sixth port, the eighth port, and the through-hole being located in a first layer, the second port, the seventh port, and the eleventh port being located in a second layer, the third port, the fourth port, the ninth port, and the tenth port being located in a third layer.
4. The multi-way valve of claim 3, wherein the first, second, and ninth ports are the first set of ports, the eighth, seventh, and fourth ports are the second set of ports, the fifth, eleventh, and third ports are the third set of ports, and the sixth and tenth ports are the fourth set of ports.
5. The multi-way valve of claim 4, wherein a plurality of the first channels are formed in a three-layer, six-row configuration of first, second, and third layers arranged in an axial direction on the first core and extend in an axial or circumferential direction, respectively, of the first core.
6. The multi-way valve of claim 5, wherein the plurality of first channels are grouped into three groups in a circumferential direction of the first core, each group occupying two columns, a first group including first flow passages, second flow passages, and third flow passages, the first flow passages and the second flow passages being in side-by-side columns and extending from a first layer to a second layer in an axial direction of the first core, the third flow passages being in a third layer, the third flow passages extending in a circumferential direction from one column near one end of the first flow passages to one column near an opposite end of the second flow passages, a second group including fourth flow passages, fifth flow passages, and sixth flow passages, the fourth flow passages and the fifth flow passages being in side-by-side columns and extending from the second layer to the third layer in an axial direction of the first core, the sixth flow passages being in the first layer, and the sixth flow passages extending in a circumferential direction from one column near one end of the fourth flow passages to one column near an opposite end of the fifth flow passages, the third group of the flow channels comprises seventh flow channels, eighth flow channels, ninth flow channels and tenth flow channels, the ninth flow channels and the tenth flow channels are arranged in two rows in parallel and extend along the axial direction of the first core body in the first layer, the seventh flow channels are located in the second layer, the seventh flow channels extend from one row close to one side of the fifth flow channels to one row close to one side of the first flow channels along the circumferential direction of the first core body, the eighth flow channels are located in the third layer, and the eighth flow channels extend from one row close to one side of the fifth flow channels to one row close to one side of the third flow channels along the circumferential direction of the first core body.
7. The multi-way valve of claim 5, wherein a plurality of the second passages form a three-layer, circumferentially-arranged four-row configuration of first, second, third, and fourth axially-arranged layers, respectively, on the second core and extend axially or circumferentially, respectively, of the second core.
8. The multi-way valve of claim 1, wherein the second passages include eleventh, twelfth, thirteenth, fourteenth, fifteenth, sixteenth flow passages, the eleventh and twelfth flow passages being in a first column, the eleventh flow passage extending in a first layer, the twelfth flow passage extending from a second layer to a third layer in an axial direction of the second core, the thirteenth flow passage being in a second column and extending from the first layer to the second layer in the axial direction of the second core, the fourteenth flow passage being in the third layer and extending in a circumferential direction of the second core from the second column near one side of the twelfth flow passage to a fourth column near the other side of the twelfth flow passage, the fifteenth flow passage being in the first layer and extending in the circumferential direction of the second core from the third column near one side of the thirteenth flow passage to the fourth column near one side of the eleventh flow passage, the sixteenth flow channel is located in the second layer, and extends from the third row on the side close to the thirteenth flow channel to the fourth row on the side close to the twelfth flow channel in the circumferential direction of the second core.
9. The multi-way valve of claim 1, further comprising an actuator coupled to the first core and the second core, respectively, the actuator configured to rotate the first core and the second core.
10. The multi-way valve of claim 9, wherein the first spool further comprises a first shaft disposed at one end of the first core, the first shaft being coupled to the driver.
11. The multi-way valve of claim 9, wherein the second spool further comprises a second shaft disposed at one end of the second core, the second shaft being coupled to the driver.
12. The multi-way valve of claim 9, wherein the actuator includes a mounting housing disposed on the valve body, a drive controller disposed in the mounting housing, and a protective cover disposed on the mounting housing for controlling the rotation of the first core and the second core.
13. The multi-way valve of claim 1, further comprising a sealing cap disposed on the valve body for sealing the first valve element and the second valve element to the first receiving cavity and the second receiving cavity, respectively.
14. The multi-way valve of claim 1, further comprising a sealing structure for placing the interface in sealing communication with the first channel or the second channel.
15. An electric vehicle thermal management system, comprising a compressor, an external heat exchanger, an internal heat exchanger, a power assembly and a battery which are connected by pipelines, and is characterized by further comprising the multi-way valve of any one of claims 1 to 14, wherein the multi-way valve is used for switching the pipeline connection among the compressor, the external heat exchanger, the internal heat exchanger, the power assembly and the battery.
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| CN202022597768.5U CN214222094U (en) | 2020-11-11 | 2020-11-11 | Multi-way valve and electric vehicle thermal management system |
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| CN202022597768.5U CN214222094U (en) | 2020-11-11 | 2020-11-11 | Multi-way valve and electric vehicle thermal management system |
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