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CN-114516254-B - Water valve and thermal management system

CN114516254BCN 114516254 BCN114516254 BCN 114516254BCN-114516254-B

Abstract

The water valve is provided with four connectors, the second branch is provided with three connectors, the first branch is provided with two ports, the four ports of the water valve are communicated with the four connectors of the two branches, the two ports of the first branch are communicated with one connector of the second branch, the water valve with four ports is utilized to be communicated with the two branches with five connectors, so that the connection of a thermal management system is relatively simple, the requirement on the connectors of the water valve is also reduced, and each working mode of the water valve is only provided with two ports to be communicated, thus the design of the water valve is relatively simplified.

Inventors

  • Request for anonymity

Assignees

  • 浙江三花汽车零部件有限公司

Dates

Publication Date
20260505
Application Date
20201120

Claims (6)

  1. 1. A thermal management system comprises a first branch, a second branch and a water valve, wherein the first branch comprises a first pump and a first heat exchanger, the first pump and the first heat exchanger are communicated in series, the first branch is provided with a first port and a second port, the first port can be communicated with the second port through the first pump and the first heat exchanger, the second branch is provided with a first connecting port, a second connecting port and a third connecting port, the second branch comprises a second pump and a second heat exchanger, the second pump and the second heat exchanger are communicated in series, the first connecting port can be communicated with the second connecting port through the second pump and the second heat exchanger, and the second connecting port can be communicated with the third connecting port through the second pump and the second heat exchanger; The water valve comprises a first interface, a second interface, a third interface and a fourth interface, wherein the first interface is communicated with the first interface, the second interface is communicated with the second interface, the third interface is communicated with the third interface and the second interface, and the first interface is communicated with the second interface and the fourth interface; the heat management system comprises at least one temperature controller, wherein the temperature controller is at least positioned in one of the first branch and the second branch, and when the temperature controller is positioned in the first branch, the temperature controller is communicated with the first pump and the first heat exchanger in series; The thermal management system has at least one of four modes of operation, in a first mode of operation of the thermal management system the third connection port communicates with the first connection port through the water valve, in a second mode of operation of the thermal management system the third connection port communicates with the second connection port through the water valve, in a third mode of operation of the thermal management system the first port communicates with the first connection port through the water valve, and in a fourth mode of operation of the thermal management system the first port communicates with the second connection port through the water valve.
  2. 2. The thermal management system of claim 1, wherein the water valve comprises a valve housing and a valve spool, at least a portion of the valve spool being positioned within the valve housing, the valve spool having four operating positions corresponding to four operating modes of the thermal management system, the valve spool being positioned in a first operating position with the first port in communication with the third port in a first operating mode of the thermal management system, the valve spool being positioned in a second operating position with the second port in communication with the third port in a second operating mode of the thermal management system, the valve spool being positioned in a third operating position with the first port in communication with the fourth port in a third operating mode of the thermal management system, the valve spool being positioned in a fourth operating position with the second port in communication with the fourth port in a fourth operating mode of the thermal management system.
  3. 3. The thermal management system of claim 1 or 2, wherein the second port is an outlet of the first leg and the third connection port is an inlet of the second leg, or wherein the second port is an inlet of the first leg and the third connection port is an outlet of the second leg.
  4. 4. The thermal management system of claim 3, wherein the thermal management system comprises a first thermostat having a first flow passage and a second flow passage, the first flow passage being relatively non-communicating with the second flow passage, the fluid in the second flow passage comprising a refrigerant, the fluid in the first leg comprising a cooling fluid, the first flow passage being part of the first leg, and a second thermostat located in the second leg, the second thermostat being capable of heat exchanging with air.
  5. 5. The thermal management system of claim 4, comprising a throttling unit capable of regulating the pressure of refrigerant entering the first thermostat, the second thermostat being a microchannel heat exchanger, the coolant within the second thermostat being capable of releasing heat to the air.
  6. 6. A water valve for use in the thermal management system of any of claims 1-5, comprising a valve core and a valve housing, at least a portion of the valve core being located within the valve housing, the water valve having a first port, a second port, a third port, and a fourth port, the water valve having at least one of four modes of operation, the valve core being located in a first mode of operation of the water valve, the first port being in communication with the third port, the valve core being located in a second mode of operation of the water valve, the second port being in communication with the third port, the valve core being located in a third mode of operation of the water valve, the first port being in communication with the fourth port, the valve core being located in a fourth mode of operation of the water valve, the second port being in communication with the fourth port.

Description

Water valve and thermal management system Technical Field The application relates to the field of fluid management, in particular to a water valve and a thermal management system. Background With the development of vehicles, more and more objects need to be temperature-managed by the thermal management system, so that the thermal management system is more and more complex, the functions of parts in the system are more and more complex, and the design requirements on the parts are higher and higher. Disclosure of Invention The application aims to provide a water valve and a thermal management system, which are beneficial to simplifying the thermal management system. In order to achieve the aim, one embodiment of the application adopts the following technical scheme that the heat management system comprises a first branch, a second branch and a water valve, wherein the first branch comprises a first pump and a first heat exchanger, the first pump and the first heat exchanger are communicated in series, the first branch is provided with a first port and a second port, the first port can be communicated with the second port through the first pump and the first heat exchanger, the second branch is provided with a first connecting port, a second connecting port and a third connecting port, the second branch comprises a second pump and a second heat exchanger, the second pump and the second heat exchanger are communicated in series, the first connecting port can be communicated with the second connecting port through the second pump and the second heat exchanger, and the second connecting port can be communicated with the third connecting port through the second pump and the second heat exchanger; The water valve comprises a first interface, a second interface, a third interface and a fourth interface, wherein the first interface is communicated with the first interface, the second interface is communicated with the second interface, the third interface is communicated with the third interface and the second interface, and the first interface is communicated with the second interface and the fourth interface; the thermal management system comprises at least one temperature controller, wherein the temperature controller is at least positioned in one of the first branch and the second branch, when the temperature controller is positioned in the first branch, the temperature controller is communicated with the first pump and the first heat exchanger in series, and when the temperature controller is positioned in the second branch, the first connecting port is communicated with the first interface through the temperature controller. In order to achieve the aim, another embodiment of the application adopts the following technical scheme that the water valve comprises a valve core and a valve shell, at least part of the valve core is positioned in the valve shell, the water valve is provided with a first interface, a second interface, a third interface and a fourth interface, the water valve is provided with at least one of four working modes, the valve core is positioned at a first working position and communicated with the third interface in the first working mode of the water valve, the valve core is positioned at a second working position and communicated with the third interface in the second working mode of the water valve, the valve core is positioned at a third working position and communicated with the fourth interface in the third working mode of the water valve, and the valve core is positioned at a fourth working position and communicated with the fourth interface in the fourth working mode of the water valve. The water valve is provided with four interfaces, the second branch is provided with three connectors, the first branch is provided with two ports, the four ports of the water valve are communicated with the four connectors of the two branches, the two ports of the first branch are communicated with one connector of the second branch, the water valve with four interfaces is utilized to communicate the two branches with five ports, so that the connection of the system is relatively simple, the requirement on the interfaces of the water valve is also reduced, and each working mode of the water valve is only provided with two interfaces to be communicated, thus the design of the water valve is relatively simplified. Drawings FIG. 1 is a schematic illustration of the thermal management system of the present application in a first mode of operation; FIG. 2 is a schematic illustration of the thermal management system of the present application in a second mode of operation; FIG. 3 is a schematic communication diagram of the thermal management system of the present application in a third mode of operation; FIG. 4 is a schematic communication diagram of the thermal management system of the present application in a fourth mode of operation; FIG. 5 is a schematic diagram of the connection of the first leg; FIG.