CN217108326U

CN217108326U - Vehicle thermal management system, integrated kettle and three-layer structure type multi-way valve thereof

Info

Publication number: CN217108326U
Application number: CN202220017468.1U
Authority: CN
Inventors: 董树峰; 姜震旦; 孙权
Original assignee: Changzhou Del Auto Parts Co ltd
Current assignee: Fuxin Dare Automotive Parts Co Ltd
Priority date: 2022-01-05
Filing date: 2022-01-05
Publication date: 2022-08-02
Anticipated expiration: 2032-01-05

Abstract

The utility model belongs to the technical field of the switching-over valve technique and specifically relates to a vehicle thermal management system, integrated kettle and three-layer structure formula multi-ported valve thereof, this multi-ported valve includes casing and case: the shell is provided with a valve cavity and at least eight orifices on the inner peripheral wall of the valve cavity, the orifices are axially divided into three rows on the inner peripheral wall of the valve cavity and three columns along the circumferential direction, and the number of the orifices in each row is more than or equal to 2; the valve core is coaxially and rotatably arranged in the valve cavity, and three rows of working areas with a plurality of channels are sequentially arranged on the peripheral wall of the valve core along the axial direction; the utility model discloses a three-layer structure formula multi-ported valve adopts and arranges the design that all has three rows of work areas of a plurality of passageways along the axial at the case in proper order to make the drill way divide into three rows along the axial on the internal perisporium of valve pocket, divide into the three rows along circumference, thereby realize along with the rotation of case, can make up out five kinds of access modes with eight drill ways at least.

Description

Vehicle thermal management system, integrated kettle and three-layer structure type multi-way valve thereof

Technical Field

The utility model belongs to the technical field of the switching-over valve technique and specifically relates to a vehicle thermal management system, integrated kettle and three-layer structure formula multi-ported valve thereof.

Background

The reversing valve belongs to a valve with a multi-directional adjustable channel and capable of changing the flow direction of fluid timely, and is widely applied to the fields of petrochemical industry, new energy vehicles, fuel vehicles, industrial machinery and the like, and mainly comprises a valve core and a valve body, wherein the valve body is provided with a plurality of orifices, and the valve core is switched to different working positions by utilizing the relative rotation or sliding between the valve core and the valve body during working, so that different orifices can be communicated with each other;

for a thermal management system of a new energy fuel automobile, a plurality of pipelines are planned and coordinated, and in order to improve the integration level, a corresponding reversing valve is needed to realize a plurality of passage modes, but a plurality of multi-way valves capable of combining the plurality of passage modes for eight orifices are not available in the market at present; in view of this, the present invention is directed to a multi-way valve that can combine eight orifices into multiple passage patterns.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to solve the defects in the prior art, a vehicle thermal management system, an integrated kettle and a three-layer structure type multi-way valve thereof are provided.

The utility model provides a technical scheme that its technical problem adopted is: a three-layer structure type multi-way valve comprises a shell and a valve core:

the shell is provided with a valve cavity and at least eight orifices positioned on the inner peripheral wall of the valve cavity, the orifices are axially divided into three rows on the inner peripheral wall of the valve cavity, the orifices are circumferentially divided into three rows, and the number of the orifices in each row is more than or equal to 2;

the valve core is coaxially and rotatably arranged in the valve cavity, and three rows of working areas with a plurality of channels are sequentially arranged on the outer peripheral wall of the valve core along the axial direction;

the first row of working areas are provided with a first area A, a first channel A, a second area A, a first axial channel, a second axial channel and a second channel A which are sequentially distributed at intervals along the circumferential direction of the valve core;

the second row of working areas are provided with a first area B, a first channel B, a second area B, a first axial channel, a second axial channel, a third axial channel and a fourth axial channel which are sequentially distributed at intervals along the circumferential direction of the valve core;

the third row of working areas are provided with a first channel C, a third axial channel and a fourth axial channel which are sequentially distributed at intervals along the circumferential direction of the valve core;

the first row of working areas are correspondingly positioned at the orifices of the first row, the second row of working areas are correspondingly positioned at the orifices of the second row, and the third row of working areas are correspondingly positioned at the orifices of the third row;

the first area A, the second area A and the second area B are used for plugging the orifices which are opposite to the first area A;

the first passage A, the second passage A and the first passage B extend along the circumferential direction of the valve cavity to be used for communicating two orifices in the same row; the first axial passage, the second axial passage, the third axial passage and the fourth axial passage extend along the axial direction of the valve cavity to be used for communicating two orifices in the same column, the two orifices communicated with the first axial passage and the second axial passage are both provided with one orifice positioned in the first row, the other orifice is positioned in the second row, the two orifices communicated with the third axial passage and the fourth axial passage are both provided with one orifice positioned in the second row, and the other orifice is positioned in the third row; the first channel C extends from the circumferential position of the first area B on the outer peripheral wall of the valve core to the circumferential position of the second axial channel;

the valve core can change the relative positions of the channels and the orifices through rotation, and the valve core is communicated and moved to the communication inside the valve core from each channel.

Further, orifices on the inner peripheral wall of the valve cavity are respectively an orifice I, an orifice II, an orifice III, an orifice IV, an orifice V, an orifice VI, an orifice seven and an orifice eight;

the seventh orifice, the sixth orifice and the eighth orifice are located in the first row, the first orifice, the third orifice and the second orifice are located in the second row, and the fifth orifice and the fourth orifice are located in the third row;

the seventh port, the first port, and the fifth port are in the first row, the sixth port, the third port, and the fourth port are in the second row, and the eighth port and the second port are in the third row.

In order to realize five passage modes, the valve core is provided with a first position, a second position, a third position, a fourth position and a fifth position on the rotating path;

when the valve core is positioned at the first position, the seventh hole is blocked by the first area A, the first hole is blocked by the first area B, the sixth hole and the eighth hole are simultaneously communicated with the first channel A, the third hole and the second hole are simultaneously communicated with the first channel B, and the fifth hole and the fourth hole are simultaneously communicated with the first channel C;

when the valve core is positioned at the second position, the orifice eight is blocked by the area two A, the orifice two is blocked by the area two B, the orifice seven and the orifice six are simultaneously communicated with the first channel A, the orifice one and the orifice three are simultaneously communicated with the first channel B, and the orifice five and the orifice four are simultaneously communicated with the first channel C;

when the valve core is positioned at the third position, the seventh hole and the first hole are communicated with the first axial channel at the same time, the sixth hole and the third hole are communicated with the second axial channel at the same time, the eighth hole is communicated with the second channel A, the second hole is communicated with the third axial channel, and the fifth hole and the fourth hole are communicated with the first channel C at the same time;

when the valve core is positioned at the fourth position, the seventh hole is blocked by the second area A, the first hole is blocked by the second area B, the sixth hole and the third hole are simultaneously communicated with the first axial channel, the eighth hole and the second hole are simultaneously communicated with the second axial channel, and the fifth hole and the fourth hole are simultaneously communicated with the first channel C;

when the valve core is positioned at the fifth position, the orifice eight is blocked by the area I A, the orifice two is blocked by the area I B, the orifice seven and the orifice six are simultaneously communicated with the second channel A, the orifice one and the orifice five are simultaneously communicated with the third axial channel, and the orifice three and the orifice four are simultaneously communicated with the third axial channel.

Furthermore, the first area A, the second area A, the first area B and the second area B are all provided with independent channels which can only completely accommodate one hole.

In order to improve the compatibility, the inner peripheral wall of the valve cavity is further provided with a standby hole which is located in the third row and is located in the third column;

when the valve core is positioned at the first position, the standby hole is communicated with the first channel C;

when the valve core is positioned at the second position, the standby hole is communicated with the first channel C;

when the valve core is positioned at the third position, the standby hole is communicated with the third axial channel;

when the valve core is positioned at the fourth position, the standby hole is communicated with the first channel C;

when the spool is in position five, the backup port communicates with the first passage C.

Furthermore, the device also comprises an actuator for driving the valve core to rotate, and the output end of the actuator is in transmission connection with the valve core.

The utility model also provides an integrated kettle, including the kettle body, still include foretell three-layer structure formula multi-ported valve, the casing sets up on the kettle body.

The utility model also provides a vehicle thermal management system, which comprises a motor coolant flow path, a PTC heater coolant flow path, a battery pack coolant flow path, a radiator coolant flow path and an integrated kettle, wherein the integrated kettle is the integrated kettle;

the first orifice is communicated with one end of the branch pipe, the second orifice is communicated with an outlet of the radiator cooling liquid flow path, the third orifice is communicated with an inlet of the third water pump, an outlet of the third water pump is communicated with an inlet of the motor cooling liquid flow path, and the other end of the branch pipe, the inlet of the radiator cooling liquid flow path and the outlet of the motor cooling liquid flow path are communicated with each other;

the orifice four is communicated with an outlet of a cooling liquid flow path of the PTC heater, the orifice five is communicated with an inlet of the cooling liquid flow path of the PTC heater, and a water pump five is arranged on the cooling liquid flow path of the heater;

the six hole openings are communicated with an outlet of a battery pack cooling liquid flow path, the seven hole openings and the eight hole openings are communicated with an inlet of the battery pack cooling liquid flow path, and a water pump seven is arranged on the battery pack cooling liquid flow path.

In the scheme, the switching of five positions of the valve core of the multi-way valve is adopted to realize the access mode, so that the motor cooling liquid flow path, the PTC heater cooling liquid flow path, the battery pack cooling liquid flow path and the radiator cooling liquid flow path are integrated, and the cooling flow paths can work independently or work in a different mode in a coordinated mode only by controlling the reversing valve, so that the number of parts is reduced, and the multi-way valve has the advantages of simple structure, easiness in arrangement, low fault rate, stability in work, simplicity in control, high integration level, low cost and the like.

Furthermore, a first valve is arranged on the branch pipe, a second valve is arranged on the radiator cooling liquid flow path, a fourth valve is arranged on the heater cooling liquid flow path, and a sixth valve is arranged on the battery pack cooling liquid flow path.

Furthermore, a first joint pipe, a second joint pipe, a third joint pipe, a fourth joint pipe, a fifth joint pipe, a sixth joint pipe and a seventh joint pipe are fixed on the kettle;

the first hole is communicated with a first pipe joint, and the first pipe joint is communicated with one end of the branch pipe through a first valve;

the second orifice is communicated with a second pipe joint, and the second pipe joint is communicated with an outlet of a cooling liquid flow path of the radiator through a second valve;

the third orifice is communicated with a third joint pipe, and the third joint pipe is communicated with an inlet of a motor cooling liquid flow path through a third water pump;

the fourth orifice is communicated with a fourth joint, and the fourth pipe joint is communicated with an outlet of the cooling liquid flow path of the PTC heater through a fourth valve;

the fifth orifice is communicated with a fifth joint pipe, and the fifth joint pipe is communicated with an inlet of a cooling liquid flow path of a fifth PTC heater of the water pump;

the sixth port is communicated with a sixth joint pipe, and the sixth joint pipe is communicated with an outlet of the battery pack cooling liquid flow path through a sixth valve;

the seventh orifice and the eighth orifice are communicated with a seventh joint pipe, and the seventh joint pipe is communicated with an inlet of a battery pack cooling liquid flow path through a seventh water pump.

The utility model has the advantages that: the utility model discloses a three-layer structure formula multi-ported valve adopts and arranges the design that all has three rows of work areas of a plurality of passageways along the axial at the case in proper order to make the drill way divide into three rows along the axial on the internal perisporium of valve pocket, divide into the three rows along circumference, thereby realize along with the rotation of case, make up out the scheme that different drill ways link to each other, realize multiple access mode, and then realize having simple structure, integrated level height, general compatibility good and be convenient for advantage such as control.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a three-dimensional schematic view of the three-layer structure multi-way valve of the present invention;

fig. 2 is a three-dimensional schematic view of a valve cavity of the present invention;

FIG. 3 is a three-dimensional schematic view of one side of the valve cartridge of the present invention;

FIG. 4 is a three-dimensional schematic view of the other side of the valve cartridge of the present invention;

FIG. 5 is a schematic view of the extended surface of the valve core of the present invention;

FIG. 6 is a schematic diagram of the vehicle thermal management system of the present invention in access mode one;

fig. 7 is a schematic view of the valve core expansion surface and the valve cavity expansion surface of the present invention in a first position;

FIG. 8 is a schematic diagram of the vehicle thermal management system of the present invention in access mode two;

fig. 9 is a schematic view of the valve core expansion surface and the valve cavity expansion surface in the second position according to the present invention;

FIG. 10 is a schematic view of the vehicle thermal management system of the present invention in pass mode three;

fig. 11 is a schematic view of the valve core expansion surface and the valve cavity expansion surface in position three according to the present invention;

FIG. 12 is a schematic view of the vehicle thermal management system in access mode four of the present invention;

fig. 13 is a schematic view of the valve core expansion surface and the valve cavity expansion surface in the fourth position according to the present invention;

FIG. 14 is a schematic view of the vehicle thermal management system of the present invention in access mode five;

fig. 15 is a schematic view of the valve core expansion surface and the valve cavity expansion surface of the present invention in position five;

in the figure: 1. a valve cavity 11, a first orifice, 12, a second orifice, 13, a third orifice, 14, a fourth orifice, 15, a fifth orifice, 16, a sixth orifice, 17, a seventh orifice, 18, an eighth orifice, 19 and a spare orifice;

2. spool, 211, zone one, 212, first channel a, 213, zone two, a, 214, first axial channel, 215, second axial channel, 216, second channel a; 221. region one B, 222, first channel B, 223, region two B, 224, third axial channel, 225, fourth axial channel; 231. a first channel C;

3. an actuator;

4. the water kettle comprises a water kettle body 401, a first joint pipe 402, a second joint pipe 403, a third joint pipe 404, a fourth joint pipe 405, a fifth joint pipe 406, a sixth joint pipe 407 and a seventh joint pipe;

5. a motor coolant flow path, 6, a PTC heater coolant flow path, 7, a battery pack coolant flow path, 8, a radiator coolant flow path, 9, a branch pipe, 10, a multi-way valve;

p3, a third water pump, P5, a fifth water pump, P7 and a seventh water pump;

v1, valve I, V2, valve II, V4, valve IV, V6 and valve VI.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic drawings, which illustrate the basic structure of the invention only in a schematic way, and thus show only the components that are relevant to the invention, and the directions and references (e.g., upper, lower, left, right, etc.) may be used only to help describe the features in the drawings. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the claimed subject matter is defined only by the appended claims and equivalents thereof.

Example 1

As shown in fig. 1 to 15, a three-layer structure type multi-way valve 10 includes a housing and a valve core 2:

the shell is provided with a valve cavity 1 and at least eight orifices on the inner peripheral wall of the valve cavity 1, the orifices are axially divided into three rows on the inner peripheral wall of the valve cavity 1 and three rows along the circumferential direction, the number of the orifices in each row is more than or equal to 2, the axial positions of the orifices in the same row in the embodiment can be slightly staggered, and the circumferential positions of the two orifices in the same row can also be slightly staggered; specifically, the orifices on the inner peripheral wall of the valve cavity 1 are respectively an orifice one 11, an orifice two 12, an orifice three 13, an orifice four 14, an orifice five 15, an orifice six 16, an orifice seven 17, an orifice eight 18 and a spare orifice 19, in this embodiment, the hole where the spare orifice 19 is located may be a blind hole, and when necessary, the hole is punched through, and the hole where the spare orifice 19 is located may also be a through hole;

the port seven 17, port six 16 and port eight 18 are located in the first row, port one 11, port three 13 and port two 12 are located in the second row, port five 15, port four 14 and spare port 19 are located in the third row;

the seven 17, one 11 and five 15 apertures are in the first column, six 16, three 13 and four 14 apertures are in the second column, and eight 18, two 12 and spare 19 apertures are in the third column.

The valve core 2 is coaxially and rotatably arranged in the valve cavity 1, and three rows of working areas with a plurality of channels are sequentially arranged on the outer peripheral wall of the valve core 2 along the axial direction;

the first row of working areas are provided with a first area A211, a first channel A212, a second area A213, a first axial channel 214, a second axial channel 215 and a second channel A216 which are sequentially distributed at intervals along the circumferential direction of the valve core 2;

the second row of working areas comprises a first area B221, a first channel B22, a second area B223, a first axial channel 214, a second axial channel 215, a third axial channel 224 and a fourth axial channel 225 which are sequentially distributed at intervals along the circumferential direction of the valve core 2;

the third row of working areas are provided with a first channel C231, a third axial channel 224 and a fourth axial channel 225 which are sequentially distributed at intervals along the circumferential direction of the valve core 2;

the first area A211, the second area A213 and the second area B223 are used for plugging the hole openings opposite to the first area A211, the second area A213 and the second area B223;

the first passage a212, the second passage a216 and the first passage B22 all extend in the circumferential direction of the valve chamber 1 for communicating two orifices in the same row; the first axial passage 214, the second axial passage 215, the third axial passage 224 and the fourth axial passage 225 all extend in the axial direction of the valve chamber 1 for communicating two orifices in the same column, one orifice is located in the first row and the other orifice is located in the second row, and two orifices are communicated with the third axial passage 224 and the fourth axial passage 225 and located in the second row and the other orifice is located in the third row; the first channel C231 extends from the circumferential position where the first area B221 of the outer peripheral wall of the spool 2 is located to the circumferential position where the second axial channel 215 is located;

the valve core 2 can change the relative positions of the channels and the orifices through rotation, and is communicated and moved to the communication inside the valve core from each channel.

In order to realize five passage modes, the valve core 2 is provided with a first position, a second position, a third position, a fourth position and a fifth position on the rotating path; when the spool 2 is in position one, it communicates with the first passage C231;

when the spool 2 is in position four, the backup orifice 19 communicates with the first passage C231;

when the spool 2 is located at position five, the backup orifice 19 and the first passage C231 communicate.

When the valve core 2 is positioned at the first position, the seventh port 17 is blocked by the first area a211, the first port 11 is blocked by the first area B221, the sixth port 16 and the eighth port 18 are simultaneously communicated with the first passage a212, the third port 13 and the second port 12 are simultaneously communicated with the first passage B22, and the fifth port 15, the fourth port 14 and the spare port 19 are simultaneously communicated with the first passage C231;

when the valve core 2 is positioned at the second position, the port eight 18 is blocked by the area two A, the port two 12 is blocked by the area two B223, the port seven 17 and the port six 16 are simultaneously communicated with the first channel A212, the port one 11 and the port three 13 are simultaneously communicated with the first channel B22, and the port five 15, the port four 14 and the spare port 19 are simultaneously communicated with the first channel C231;

when the spool 2 is in position three, port seven 17 and port one 11 are in simultaneous communication with the first axial passage 214, port six 16 and port three 13 are in simultaneous communication with the second axial passage 215, port eight 18 is in communication with the second passage a216, port two 12 and the backup port 19 are in simultaneous communication with the third axial passage 224, and port five 15 and port four 14 are in simultaneous communication with the first passage C231;

when the valve core 2 is positioned at the fourth position, the seventh port 17 is blocked by the second area A213, the first port 11 is blocked by the second area B223, the sixth port 16 and the third port 13 are simultaneously communicated with the first axial passage 214, the eighth port 18 and the second port 12 are simultaneously communicated with the second axial passage 215, and the fifth port 15, the fourth port 14 and the spare port 19 are simultaneously communicated with the first passage C231;

when the valve spool 2 is in position five, port eight 18 is blocked by zone one a211, port two 12 is blocked by zone one B221, port seven 17 and port six 16 are simultaneously in communication with the second passage a216, port one 11 and port five 15 are simultaneously in communication with the third axial passage 224, and port three 13, port four 14 and the backup port 19 are simultaneously in communication with the third axial passage 224.

The first area A211, the second area A213, the first area B221 and the second area B223 are all provided with independent channels which can only completely accommodate one hole; the first area a211, the second area a213, the first area B221, and the second area B223 may also be circular arc surfaces, which are coplanar with the outer peripheral wall of the valve element 2; in the present embodiment, the communication between the orifice and the independent passage is equivalent to being blocked when there is the independent passage, and the corresponding orifice can be blocked when there is no independent passage 26, by the way that the valve core 2 is tightly attached to the orifice through the outer peripheral wall thereof.

The valve core 2 is driven to rotate by the actuator 3, and the output end of the actuator 3 is in transmission connection with the valve core 2; actuator 33 may be embodied as a motor drivingly connected to spool 22 to bring spool 22 into rotation.

Example 2

As shown in fig. 1, an integrated kettle 4 comprises a kettle body and a three-layer structure type multi-way valve in the embodiment 1, wherein a shell is arranged on the kettle body; in this embodiment, the housing can be fixed to the kettle body by mechanical connection, or the housing and the kettle body can be integrally formed.

Example 3

As shown in fig. 6 to 15, a vehicle thermal management system includes a motor coolant flow path 5, a PTC heater coolant flow path 6, a battery pack coolant flow path 7, a radiator coolant flow path 8, and an integrated water can 4, where the integrated water can 4 is the integrated water can 4 in embodiment 1; the motor cooling liquid flow path 5 is used for carrying out heat exchange on a motor and a controller, the PTC heater cooling liquid flow path 6 is used for supplying heat to an air conditioning system of a vehicle, the battery pack cooling liquid flow path 7 is used for carrying out heat exchange with a battery pack, and the radiator cooling liquid flow path 8 is used for carrying out heat exchange with a radiator;

the first orifice 11 is communicated with one end of the branch pipe 9, the second orifice 12 is communicated with the outlet of the radiator cooling liquid flow path 8, the third orifice 13 is communicated with the inlet of the water pump III P3, the outlet of the water pump III P3 is communicated with the inlet of the motor cooling liquid flow path 5, and the other end of the branch pipe 9, the inlet of the radiator cooling liquid flow path 8 and the outlet of the motor cooling liquid flow path 5 are communicated with each other;

the fourth orifice 14 is communicated with the outlet of the PTC heater cooling liquid flow path 6, the fifth orifice 15 is communicated with the inlet of the PTC heater cooling liquid flow path 6, and a water pump five P5 is arranged on the heater cooling liquid flow path;

the six orifice 16 is communicated with the outlet of the battery pack cooling liquid flow path 7, the seven orifice 17 and the eight orifice 18 are both communicated with the inlet of the battery pack cooling liquid flow path 7, and a water pump seven P7 is arranged on the battery pack cooling liquid flow path 7.

The branch pipe 9 is provided with a first valve V1, the radiator cooling liquid flow path 8 is provided with a second valve V2, the heater cooling liquid flow path is provided with a fourth valve V4, and the battery pack cooling liquid flow path 7 is provided with a sixth valve V6.

A first joint pipe 401, a second joint pipe 402, a third joint pipe 403, a fourth joint pipe 404, a fifth joint pipe 405, a sixth joint pipe 406 and a seventh joint pipe 407 are fixed on the kettle 4;

the first opening 11 is communicated with a first joint pipe 401, and the first joint pipe is communicated with one end of the branch pipe 9 through a first valve V1;

the second port 12 is communicated with a second joint pipe 402 which is communicated with the outlet of the radiator cooling liquid flow path 8 through a second valve V2;

the third orifice 13 is communicated with a third joint pipe 403 which is communicated with the inlet of the motor cooling liquid flow path 5 through a water pump III P3;

the fourth orifice 14 is communicated with a fourth joint, and the fourth joint is communicated with the outlet of the cooling liquid flow path 6 of the PTC heater through a valve four V4;

the fifth orifice 15 is communicated with a fifth joint pipe 405, and the fifth joint pipe 405 is communicated with an inlet of a cooling liquid flow path 6 of the water pump five P5PTC heater;

the port six 16 is communicated with a sixth joint pipe 406, and the sixth joint pipe 406 is communicated with the outlet of the battery pack cooling liquid flow path 7 through a valve six V6;

the port seven 17 and the port eight 18 are both communicated with the seventh joint pipe 407, and the seventh joint pipe 407 is communicated with the inlet of the battery pack coolant flow path 7 through a water pump seven P7.

The first joint pipe 401, the second joint pipe 402, the fourth joint pipe 404 and the sixth joint pipe 406 are all communicated with the inner cavity of the water kettle 4, so that after the cooling liquid is injected into the water kettle 4, when the water pump three P3, the water pump five P5 and the water pump seven P7 work, the cooling liquid in the water kettle 4 can be injected into the motor cooling liquid flow path 5, the PTC heater cooling liquid flow path 6, the battery pack cooling liquid flow path 77 and the radiator cooling liquid flow path 8, and the cooling liquid can be conveniently injected.

The working principle of the vehicle thermal management system in the embodiment is as follows:

as shown in fig. 6 and 7, when the valve body 2 is in the first position, the port seven 17 is blocked by the area one a211, the port one 11 is blocked by the area one B221, the ports six 16 and eight 18 simultaneously communicate with the first passage a212, the ports three 13 and two 12 simultaneously communicate with the first passage B22, and the ports five 15 and four 14 simultaneously communicate with the first passage C231; at the moment, the multi-way valve 10 is in a first passage mode, the motor cooling liquid flow path 5 and the radiator cooling liquid flow path 8 are connected in series, the PTC heater cooling liquid flow path 6 and the battery pack cooling liquid flow path 7 are independent respectively, the first valve V1 is closed, the second valve V2, the fourth valve V4 and the sixth valve V6 are opened, the third water pump P3, the fifth water pump P5 and the seventh water pump P7 work, and the motor cooling liquid flow path 5, the radiator cooling liquid flow path 8, the second valve V2, the first channel B22 and the third water pump P3 form a large circulation loop of a motor system, so that the heat of the motor is radiated by the radiator; the battery pack cooling liquid flow path 7, the valve six V6, the first channel A212 and the water pump seven P7 form a battery pack system circulation loop; the PTC heater cooling liquid flow path 6, the valve four V4, the first channel C231 and the water pump five P5 form a PTC system circulation loop; the motor and the controller are cooled by the large circulation loop of the motor system, the battery pack is cooled by the circulation loop of the battery pack system, the PTC heater works, and the circulation loop of the PTC system starts to heat to supply heat for the driving cabin;

as shown in fig. 8 and 9, when the valve element 2 is in the second position, the port eight 18 is blocked by the area two a, the port two 12 is blocked by the area two B223, the port seven 17 and the port six 16 simultaneously communicate with the first passage a212, the port one 11 and the port three 13 simultaneously communicate with the first passage B22, and the port five 15 and the port four 14 simultaneously communicate with the first passage C231; at this time, the multi-way valve 10 is in the second passage mode, the motor coolant flow path 5, the PTC heater coolant flow path 6 and the battery pack coolant flow path 77 are independent, the second valve V2 is closed, the first valve V1, the sixth valve V6 and the fourth valve V4 are opened, the third water pump P3, the fifth water pump P5 and the seventh water pump P7 are operated, and the motor coolant flow path 5, the first valve V1, the first channel B22 and the third water pump P3 form a small circulation loop of the motor system; the battery pack cooling liquid flow path 7, the valve six V6, the first channel A212 and the water pump seven P7 form a battery pack system circulation loop; the PTC heater cooling liquid flow path 6, the valve four V4, the first channel C231 and the water pump five P5P5 form a PTC system circulation loop; therefore, the motor system small circulation loop maintains the motor and the controller in a soaking state, the battery pack system circulation loop cools the battery pack, the PTC heater works, and the PTC system circulation loop starts to heat;

as shown in fig. 10 and 11, when the spool 2 is in the third position, the port seven 17 and the port one 11 simultaneously communicate with the first axial passage 214, the port six 16 and the port three 13 simultaneously communicate with the second axial passage 215, the port eight 18 communicates with the second passage a216, the port two 12 communicates with the third axial passage 224, and the port five 15 and the port four 14 simultaneously communicate with the first passage C231; at this time, the multi-way valve 10 is in a passage mode III, the motor coolant flow path 5 and the battery pack coolant flow path 7 are connected in series, the PTC heater coolant flow path 6 is independent, the valve II V2 is closed, the valve I V1, the valve II V4 and the valve II V6 are opened, the water pump III P3, the water pump V P5 and the water pump seven P7 work, and the motor coolant flow path 5, the branch pipe 9, the valve I V1, the first axial channel 214, the water pump seven P7, the battery pack coolant flow path 7, the valve II V6, the second axial channel 215 and the water pump three P3 form a serial circulation loop of the motor system and the battery pack system; the PTC heater cooling liquid flow path 6, the valve four V4, the first channel C231 and the water pump five P5 form a PTC system circulation loop; the motor system and the battery pack system are connected in series with the circulation loop to recover waste heat of the motor, the motor system and the battery pack system are applied to heating the battery pack, the PTC heater works, and the circulation loop of the PTC system starts to heat to supply heat for the driving cabin;

as shown in fig. 12 and 13, when the valve body 2 is in the fourth position, the seventh orifice 17 is blocked by the second area a213, the first orifice 11 is blocked by the second area B223, the sixth orifice 16 and the third orifice 13 are simultaneously communicated with the first axial passage 214, the eighth orifice 18 and the second orifice 12 are simultaneously communicated with the second axial passage 215, and the fifth orifice 15 and the fourth orifice 14 are simultaneously communicated with the first passage C231, at this time, the multi-way valve 10 is in the fourth passage mode, the motor coolant passage 5, the battery pack coolant passage 7, and the radiator coolant passage 8 are connected in series, the PTC heater coolant passage 6 is independent, the first valve V1 is closed, the second valve V2, the fourth valve V4, and the sixth valve V6 are opened, the water pump three P3, the water pump five P5, and the water pump seven P7 are operated, the motor coolant passage 5, the radiator coolant passage 8, the second valve V2, the second axial passage 215, the water pump seven P7, the battery pack coolant passage 7, the first axial passage 214, and the water pump three P3 constitute a motor system, The battery pack system and the radiator are connected in series with a large circulation loop; the PTC heater cooling liquid flow path 6, the valve four V4, the first channel C231 and the water pump five P5 form a PTC system circulation loop; the motor system, the battery pack system and the radiator are connected in series with the large circulation loop to cool the motor and the battery pack, the PTC heater works, and the circulation loop of the PTC system starts to heat to supply heat for the driving cabin;

as shown in fig. 14 and 15, when the spool 2 is in position five, port eight 18 is blocked by zone one a211, port two 12 is blocked by zone one B221, port seven 17 and port six 16 are simultaneously in communication with the second passage a216, port one 11 and port five 15 are simultaneously in communication with the third axial passage 224, and port three 13 and port four 14 are simultaneously in communication with the third axial passage 224; at this time, the multi-way valve 10 is in the fourth passage mode, the motor coolant flow path 5 and the PTC heater coolant flow path 6 are connected in series, the battery pack coolant flow path 7 is independent, the second valve V2 is closed, the first valve V1, the fourth valve V4 and the sixth valve V6 are opened, the third water pump P3, the fifth water pump P5 and the seventh water pump P7 work, the motor coolant flow path 5, the first valve V1, the third axial channel 224, the fifth water pump P5, the PTC heater coolant flow path 6, the fourth valve V4, the fourth axial channel 225 and the third water pump P3 form a motor system and PTC system circulation loop, and the battery pack coolant flow path 7, the sixth valve V6, the second channel a216 and the seventh water pump P7 form a battery pack system circulation loop; therefore, the motor system and the PTC system circulation loop are soaked in heat, the waste heat of the motor can be recovered, the driving cabin is supplied with heat through the PTC heater cooling liquid flow path 6, and the battery pack is cooled through the battery pack system circulation loop.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the description, and must be determined according to the scope of the claims.

Claims

1. A three-layer structure type multi-way valve is characterized in that: the multi-way valve comprises a shell and a valve core:

the first passage A, the second passage A and the first passage B extend along the circumferential direction of the valve cavity and are used for communicating two orifices in the same row; the first axial passage, the second axial passage, the third axial passage and the fourth axial passage extend along the axial direction of the valve cavity to be used for communicating two orifices in the same column, the two orifices communicated with the first axial passage and the second axial passage are both provided with one orifice positioned in the first row, the other orifice is positioned in the second row, the two orifices communicated with the third axial passage and the fourth axial passage are both provided with one orifice positioned in the second row, and the other orifice is positioned in the third row; the first channel C extends from the circumferential position of the first area B on the outer peripheral wall of the valve core to the circumferential position of the second axial channel;

2. The three layer structure multi-way valve of claim 1, wherein: the orifices on the inner peripheral wall of the valve cavity are respectively an orifice I, an orifice II, an orifice III, an orifice IV, an orifice V, an orifice VI, an orifice VII and an orifice VIII;

3. The three layer structure multi-way valve of claim 2, wherein: the valve core is provided with a first position, a second position, a third position, a fourth position and a fifth position on a rotating path;

4. The three layer structure multi-way valve of claim 3, wherein: the first area A, the second area A, the first area B and the second area B are all provided with independent channels which can only completely accommodate one hole.

5. The three layer structure multi-way valve of claim 3, wherein: the inner peripheral wall of the valve cavity is also provided with one orifice which is a standby orifice, and the standby orifices are positioned in a third row and positioned in a third column;

6. The three layer structure multi-way valve of claim 4, wherein: the valve core is driven to rotate by the actuator, and the output end of the actuator is in transmission connection with the valve core.

7. An integrated kettle, includes the kettle body, its characterized in that: the three-layer structure type multi-way valve as claimed in any one of claims 2 to 6 is further included, and the shell is arranged on the kettle body.

8. A vehicle thermal management system, characterized by: the integrated kettle comprises a motor cooling liquid flow path, a PTC heater cooling liquid flow path, a battery pack cooling liquid flow path, a radiator cooling liquid flow path and an integrated kettle, wherein the integrated kettle is the integrated kettle according to claim 7;

9. The vehicle thermal management system of claim 8, wherein: the battery pack cooling system is characterized in that a first valve is arranged on the branch pipe, a second valve is arranged on the radiator cooling liquid flow path, a fourth valve is arranged on the heater cooling liquid flow path, and a sixth valve is arranged on the battery pack cooling liquid flow path.

10. The vehicle thermal management system of claim 9, wherein: a first joint pipe, a second joint pipe, a third joint pipe, a fourth joint pipe, a fifth joint pipe, a sixth joint pipe and a seventh joint pipe are fixed on the kettle;

and the seventh hole opening and the eighth hole opening are both communicated with a seventh joint pipe, and the seventh joint pipe is communicated with an inlet of a battery pack cooling liquid flow path through a seventh water pump.