CN115247719A - Five-position five-way valve - Google Patents

Five-position five-way valve Download PDF

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Publication number
CN115247719A
CN115247719A CN202110451282.7A CN202110451282A CN115247719A CN 115247719 A CN115247719 A CN 115247719A CN 202110451282 A CN202110451282 A CN 202110451282A CN 115247719 A CN115247719 A CN 115247719A
Authority
CN
China
Prior art keywords
valve
interface
port
connector
valve body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110451282.7A
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Chinese (zh)
Inventor
不公告发明人
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Zhihui Automotive Thermal Management Technology Co ltd
Original Assignee
Longquan Huifeng Import And Export Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Longquan Huifeng Import And Export Co ltd filed Critical Longquan Huifeng Import And Export Co ltd
Priority to CN202110451282.7A priority Critical patent/CN115247719A/en
Publication of CN115247719A publication Critical patent/CN115247719A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
    • F16K11/20—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members
    • F16K11/22—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members with an actuating member for each valve, e.g. interconnected to form multiple-way valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K11/00—Arrangement in connection with cooling of propulsion units
    • B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/08—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
    • F16K11/087—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with spherical plug
    • F16K11/0873—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with spherical plug the plug being only rotatable around one spindle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/003—Housing formed from a plurality of the same valve elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
    • F16K27/067—Construction of housing; Use of materials therefor of taps or cocks with spherical plugs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
    • B60K2001/005—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric storage means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
    • B60K2001/006—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric motors

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Multiple-Way Valves (AREA)

Abstract

The invention provides a five-position five-way valve which comprises a valve body, a first valve core and a second valve core, wherein the valve body comprises a first valve hole and a second valve hole, the first valve hole is communicated with a first interface, a second interface and a third interface, the second valve hole is communicated with a fourth interface, a fifth interface and a sixth interface, the second interface is communicated with the fifth interface and is communicated with a seventh interface, and the first interface, the third interface, the fourth interface, the sixth interface and the seventh interface are respectively connected with an external connecting pipe; the first valve core and the second valve core are both T-shaped channels, the first valve core is matched with the first valve hole to switch the connection and disconnection of each interface, and the second valve core is matched with the second valve hole to switch the connection and disconnection of each interface. Through the rotary action of the two valve cores, the switching between five positions and five interfaces is realized, and compared with the scheme that a plurality of electromagnetic valves act, the actuating elements are reduced, and the system failure rate is reduced.

Description

Five-position five-way valve
Technical Field
The invention relates to the field of water valves of thermal management systems, in particular to a five-position five-way valve.
Background
In a vehicle thermal management system, it is generally necessary to cool and dissipate heat generated by heat generating components such as a battery, a motor, an electronic control module, and a heater core of a vehicle using a refrigerant circulating through a cooling pipe.
In the prior art, a plurality of electromagnetic valves for controlling on/off are usually disposed on the cooling pipeline, and the flow direction of the refrigerant is controlled by on/off of the electromagnetic valves.
However, the system is controlled by a plurality of solenoid valves, and the failure of the action of a single solenoid valve can cause the failure of the whole system, so the failure rate of the system is relatively high.
Disclosure of Invention
The invention aims to provide a five-position five-way valve which can reduce action elements and reduce the system failure rate.
In order to solve the above technical problem, as an aspect of the present invention, a five-position five-way valve is provided, including a valve body, a first valve core, and a second valve core, where the valve body includes a first valve hole and a second valve hole, the first valve hole communicates with a first port, a second port, and a third port, the second valve hole communicates with a fourth port, a fifth port, and a sixth port, the second port communicates with the fifth port and communicates with a seventh port, and the first port, the third port, the fourth port, the sixth port, and the seventh port are respectively connected with an external connection pipe; the first valve core and the second valve core are both T-shaped channels, the first valve core is matched with the first valve hole to switch the connection and disconnection of each interface, and the second valve core is matched with the second valve hole to switch the connection and disconnection of each interface.
Furthermore, the axes of the first port, the second port and the third port of the five-position five-way valve are on the same plane, and the axes of the fourth port, the fifth port and the sixth port of the five-position five-way valve are on the same plane.
Further, the axes of the first interface and the third interface of the five-position five-way valve coincide, and the axes of the second interface, the fifth interface and the sixth interface coincide.
Furthermore, the axes of the first port and the third port of the five-position five-way valve are coincident, and the axes of the fourth port and the seventh port are parallel.
Furthermore, the valve body of the five-position five-way valve comprises a first valve body and a second valve body, the first valve hole is located in the first valve body, the second valve hole is located in the second valve body, and the second connector is in butt joint communication with the fifth connector.
Furthermore, the five-position five-way valve body comprises a first valve body, a second valve body and a three-way connecting pipe, the first valve hole is located in the first valve body, the second valve hole is located in the second valve body, and the second connector and the fifth connector are communicated in a butt joint mode through the three-way connecting pipe.
Furthermore, the first valve body and the second valve body are respectively provided with an installation positioning hole, and the first valve body and the second valve body are relatively positioned through the installation positioning holes, so that the second interface and the fifth interface are in butt joint communication.
Furthermore, the first valve core and the second valve core of the five-position five-way valve realize 5 positions through 2 angle differences of 45 degrees and 2 angle differences of 90 degrees to control the connection and disconnection of each interface.
Further, setting a first working position of the five-position five-way valve as communication of all the interfaces; the first valve core and the second valve core rotate anticlockwise by 45 degrees from the first working position to reach a second working position, and the second working position is that each interface is closed; from the first working position, the first valve core and the second valve core rotate 90 degrees anticlockwise to reach a third working position, the third port is communicated with the seventh port, and the fourth port is communicated with the sixth port; from the first working position, the first valve core and the second valve core rotate anticlockwise by 180 degrees to reach a fourth working position, the first port is communicated with the third port, and the sixth port is communicated with the seventh port; and the first valve core and the second valve core rotate anticlockwise by 270 degrees from the first working position to reach a fifth working position, and the first port and the fourth port are communicated with the seventh port.
Furthermore, the five-position five-way valve further comprises two electric actuating mechanisms and a controller, the controller drives the electric actuating mechanisms, the electric actuating mechanisms drive the valve cores to rotate, and the controller simultaneously sends the same driving instructions to the two electric actuating mechanisms.
The five-position five-way valve realizes the switching between five positions and five interfaces through the rotating action of the two valve cores, reduces the action elements and reduces the system failure rate compared with the scheme of action of a plurality of electromagnetic valves. Particularly, the two electric actuators are simultaneously controlled by one controller according to the same driving command, so that the control system is simplified.
Drawings
FIG. 1 is a schematic perspective view of a five position five way valve in accordance with an embodiment of the invention;
FIG. 2 is a schematic cross-sectional view of the five position, five way valve of the embodiment of the present invention;
FIG. 3 is a schematic diagram showing a first operating position of the five position five way valve in accordance with the embodiment of the present invention;
FIG. 4 is a schematic diagram showing a second operating position of the five position five way valve in accordance with the embodiment of the present invention;
FIG. 5 is a schematic diagram showing a third operating position of the five position five way valve in accordance with the embodiment of the present invention;
FIG. 6 shows a schematic view of a fourth operating position of the five position five way valve of the embodiment of the invention;
FIG. 7 shows a schematic diagram of a fifth operating position of the five position five way valve of the embodiment of the invention.
Reference numbers in the figures: 1. a valve body; 2. a first valve spool; 3. a second valve core; 4. a gland; 5. a plastic sealing ring; 6. a rubber O-ring; 7. a first valve stem; 8. a second valve stem; 9. a first electric actuator; 10. a second electric actuator; 101. a first interface; 102. a second interface; 103. a third interface; 104. a fourth interface; 105. a fifth interface; 106. a sixth interface; 107. a seventh interface; 108. installing a positioning hole; 109. installing a positioning hole; 1010. installing a positioning hole; 1011. installing a positioning hole; 1001. a first valve hole; 1002. and a second valve hole.
Detailed Description
The invention is further described with reference to the following figures and specific examples. It is to be understood that the following terms "upper," "lower," "left," "right," "longitudinal," "lateral," "inner," "outer," "vertical," "horizontal," "top," "bottom," and the like are used merely to indicate an orientation or positional relationship relative to one another as illustrated in the drawings, merely to facilitate describing and simplifying the invention, and are not intended to indicate or imply that the device/component so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore are not to be considered limiting of the invention.
According to an embodiment of the present invention, referring to fig. 1 to 7, a five-position five-way valve includes a valve body 1, a first valve spool 2, a second valve spool 3, a gland 4, a first valve rod 7, a second valve rod 8, a first electric actuator 9, and a second electric actuator 10, where the valve body 1 is formed by pps plastic injection molding, the valve body 1 includes a first valve hole 1001 and a second valve hole 1002, the first valve hole 1001 communicates with a first port 101, a second port 102, and a third port 103, the second valve hole 1002 communicates with a fourth port 104, a fifth port 105, and a sixth port 106, the second port 102 and the fifth port 105 communicate with a seventh port 107, and the first port 101, the third port 103, the fourth port 104, the sixth port 106, and the seventh port 107 are respectively used for connecting with an external connection. The axes of the first interface 101, the second interface 102, the third interface 103, the fourth interface 104, the fifth interface 105, the sixth interface 106 and the seventh interface 107 are on the same plane, the axes of the first interface 101 and the third interface 103 are coincident, the axes of the second interface 102, the fifth interface 105 and the sixth interface 106 are coincident, and the axes of the fourth interface 104 and the seventh interface 107 are parallel. In the embodiment, the valve body is moulded plastics by pps plastics, and for the convenience of moulding plastics, the valve body can be divided into two parts and mould plastics (not having the drawing), namely first valve body and second valve body, and first valve opening is located first valve body, and the second valve opening is located the second valve body, and second interface and fifth interface butt joint intercommunication or through tee bend takeover butt joint intercommunication directly. The first valve body and the second valve body are respectively provided with installation positioning holes 108/109/1010/1011, and the first valve body and the second valve body are oppositely positioned through the installation positioning holes to realize butt joint communication of the second interface and the fifth interface.
In this embodiment, the first valve element 2 and the second valve element 3 are both ball-shaped valve elements and T-shaped channels, a plastic sealing ring 5 and a rubber O-ring 6 are arranged on the inner side of each of the first to sixth ports, the first valve element 2 and the first valve hole 1001 are matched to switch the connection and disconnection of each port, and the second valve element 3 and the second valve hole 1002 are matched to switch the connection and disconnection of each port.
In this embodiment, valve gap 4 seals valve opening 1001 and leads to valve rod 7, and electric actuator 9 drives valve rod 7, and valve rod 7 drives first case 2 rotatoryly, and in the same way, electric actuator 10 drives valve rod 8, and valve rod 8 drives second case 3 rotatoryly.
Referring to fig. 3-7, the first working position of the five-position five-way valve is set to be the communication of the interfaces, see fig. 3; from the first working position, the first valve core 2 and the second valve core 3 both rotate counterclockwise by 45 degrees to reach a second working position, and the second working position is that each interface is closed, as shown in fig. 4; from the first working position, the first valve core 2 and the second valve core 3 rotate anticlockwise by 90 degrees to reach a third working position, the third port is communicated with the seventh port, and the fourth port is communicated with the sixth port, as shown in fig. 5; from the first working position, the first valve core 2 and the second valve core 3 rotate anticlockwise by 180 degrees to reach a fourth working position, the first port is communicated with the third port, and the sixth port is communicated with the seventh port, which is shown in fig. 6; from the first operating position, the first valve spool 2 and the second valve spool 3 both rotate counterclockwise by 270 ° to reach a fifth operating position, and the first port and the fourth port are both communicated with the seventh port, see fig. 7.
In this embodiment, since the first valve body and the second valve body are rotated at the same angle when they are switched, the two electric actuators 9/10 can be driven by one controller, and the same driving command can be sent to the two electric actuators at the same time.
The five-position five-way valve realizes the switching between five positions and five interfaces through the rotating action of the two valve cores, and compared with a scheme that a plurality of electromagnetic valves are used for acting in a thermal management system, the five-position five-way valve reduces the acting elements and the system failure rate. Particularly, the two electric actuators are simultaneously controlled by one controller according to the same driving command, so that the control system is simplified.
The above is only a preferred embodiment of the present invention, and the present invention is not limited thereto, and various modifications may be made by those skilled in the art. Any modification, equivalent replacement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A five-position five-way valve is characterized in that: the valve comprises a valve body, a first valve core and a second valve core, wherein the valve body comprises a first valve hole and a second valve hole, the first valve hole is communicated with a first connector, a second connector and a third connector, the second valve hole is communicated with a fourth connector, a fifth connector and a sixth connector, the second connector is communicated with the fifth connector and is communicated with a seventh connector, and the first connector, the third connector, the fourth connector, the sixth connector and the seventh connector are respectively connected with an external connecting pipe; the first valve core and the second valve core are both T-shaped channels, the first valve core is matched with the first valve hole to switch the connection and disconnection of each interface, and the second valve core is matched with the second valve hole to switch the connection and disconnection of each interface.
2. The five-position, five-way valve according to claim 1, wherein: the axes of the first interface, the second interface and the third interface are on the same plane, and the axes of the fourth interface, the fifth interface and the sixth interface are on the same plane.
3. The five position, five way valve of claim 1 wherein: the first interface and the third interface are overlapped in axial line, and the second interface, the fifth interface and the sixth interface are overlapped in axial line.
4. The five position, five way valve of claim 1 wherein: the first interface and the third interface are coincident in axis, and the fourth interface and the seventh interface are parallel in axis.
5. The five position, five way valve of claim 1 wherein: the valve body includes first valve body and second valve body, and first valve opening is located first valve body, and the second valve opening is located the second valve body, and second interface and fifth interface butt joint intercommunication.
6. The five position, five way valve of claim 1 wherein: the five-position five-way valve further comprises a three-way connecting pipe, the valve body comprises a first valve body and a second valve body, the first valve hole is located in the first valve body, the second valve hole is located in the second valve body, and the second connector and the fifth connector are in butt joint communication through the three-way connecting pipe.
7. The five position, five way valve according to claim 5 or 6 wherein: the first valve body and the second valve body are respectively provided with an installation positioning hole, and the first valve body and the second valve body are relatively positioned through the installation positioning holes, so that the second interface and the fifth interface are in butt joint communication.
8. The five position, five way valve of claim 1 wherein: the first valve core and the second valve core realize 5 positions through 2 angle differences of 45 degrees and 2 angle differences of 90 degrees to control the connection and disconnection of the interfaces.
9. The five-position five-way valve according to any one of claims 1 to 6, wherein: setting a first working position of the five-position five-way valve to be communicated with each interface; the first valve core and the second valve core rotate anticlockwise by 45 degrees from the first working position to reach a second working position, and the second working position is that each interface is closed; from the first working position, the first valve core and the second valve core rotate 90 degrees anticlockwise to reach a third working position, the third port is communicated with the seventh port, and the fourth port is communicated with the sixth port; from the first working position, the first valve core and the second valve core rotate 180 degrees anticlockwise to reach a fourth working position, the first port is communicated with the third port, and the sixth port is communicated with the seventh port; and the first valve core and the second valve core rotate anticlockwise by 270 degrees from the first working position to reach a fifth working position, and the first port and the fourth port are communicated with the seventh port.
10. The five position five way valve according to any one of claims 1 to 6 wherein: the five-position five-way valve further comprises two electric actuating mechanisms and a controller, the controller drives the electric actuating mechanisms, the electric actuating mechanisms drive the valve cores to rotate, and the controller simultaneously sends the same driving instructions to the two electric actuating mechanisms.
CN202110451282.7A 2021-04-26 2021-04-26 Five-position five-way valve Pending CN115247719A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110451282.7A CN115247719A (en) 2021-04-26 2021-04-26 Five-position five-way valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110451282.7A CN115247719A (en) 2021-04-26 2021-04-26 Five-position five-way valve

Publications (1)

Publication Number Publication Date
CN115247719A true CN115247719A (en) 2022-10-28

Family

ID=83696357

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110451282.7A Pending CN115247719A (en) 2021-04-26 2021-04-26 Five-position five-way valve

Country Status (1)

Country Link
CN (1) CN115247719A (en)

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Effective date of registration: 20230531

Address after: Floor 11-230, Building 15, International Car City, No. 309 Green Valley Avenue, Nanmingshan Street, Liandu District, Lishui City, Zhejiang Province, 323010

Applicant after: Zhejiang Zhihui Automotive Thermal Management Technology Co.,Ltd.

Address before: 323700 No.2 Guangyuan Road, regression project, Longquan City, Lishui City, Zhejiang Province

Applicant before: Longquan Huifeng import and Export Co.,Ltd.

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