Thermal management system

By improving the flow channel and pipeline structure, and combining it with an eight-way cooling water valve, thirteen working modes of the electric vehicle thermal management system were realized, solving the problem of low integration and improving control performance and assembly convenience.

CN120886618APending Publication Date: 2025-11-04BONAIRE AUTOMOTIVE ELECTRICAL SYST
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Patent Information

Application Number
CN202510793081.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-06-13
Publication Date
2025-11-04

AI Technical Summary

Technical Problem

The existing thermal management system for electric vehicles has low integration, resulting in a scattered layout within the vehicle and a large number of matching pipes, which affects the convenience of assembly and maintenance.

Method used

Design a thermal management system that includes a water-side module, a solvent-side module, and a cooling water valve. By improving the flow channel and pipeline structure and combining an eight-way cooling water valve, thirteen operating modes can be switched, simplifying the system architecture and reducing the number of parts.

Benefits of technology

It improves the control and operation performance of the thermal management system, meets the thermal function control requirements of vehicle operation, simplifies the system architecture, and reduces the number of parts.

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Patent Text Reader

Abstract

The invention belongs to the technical field of automobile parts, and particularly relates to a thermal management system. Comprising a water side module, an agent side module and a cooling water valve, the cooling water valve (30) is installed in a module shell, and the cooling water valve (30) comprises a first water opening (31), a second water opening (32), a third water opening (33), a fourth water opening (34), a fifth water opening (35), a sixth water opening (36), a seventh water opening (37) and an eighth water opening (38). The heat management system is simple in structure and small in part consumption, and vehicle running heat function control is achieved.
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Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of automobile parts, and more particularly to a thermal management system. BACKGROUND

[0002] The battery thermal management system is an important part of the electrochemical energy storage system, which ensures the efficient and stable operation of the battery energy storage system in the appropriate temperature range. At present, with the aggravation of ecological environment and resource problems, electric vehicles have developed rapidly. In the prior art, the traditional thermal management system has low integration, is scattered in the vehicle, and has a large number of system matching pipelines, which is not convenient for vehicle assembly and post-maintenance. Therefore, how to provide a thermal management device with high integration has become a problem to be solved.

[0003] In the prior art, a technology with the title of "integrated thermal management system of vehicle" and the publication (announcement) number of "CN111132859B" is related to an integrated thermal management system of vehicle, and the purpose of the present application is to improve the connectivity between the thermal management devices and the component versatility, so that the number of components is reduced without reducing the performance of each thermal management device. To this end, the present application relates to an integrated thermal management system of vehicle, which has a refrigerant circulation line for cooling and heating the interior space of the vehicle when operating in air conditioning mode or heat pump mode according to the flow direction of the refrigerant, and an electric component module side cooling water circulation line for circulating cooling water through the electric component module to cool the electric component module, wherein the electric component module side cooling water circulation line includes a radiator for cooling the cooling water that absorbs the waste heat of the electronic component module; a water-cooled outdoor heat exchanger for exchanging heat between the refrigerant circulating through the refrigerant circulation line and the cooling water circulating through the electric component module side cooling water circulation line; and a cooling water flow control unit configured to control the flow of cooling water in the electric component module side cooling water circulation line, so that the cooling water that absorbs the waste heat of the electric component module and / or the cooling water cooled by the radiator is circulated to the water-cooled outdoor heat exchanger.

[0004] However, this technology does not involve the technical problems and technical solutions of the present application. SUMMARY

[0005] The technical problem to be solved by the present application is to provide a thermal management system with simple architecture, less parts, and vehicle driving thermal function control, which solves the problems of the prior art.

[0006] To solve the above technical problems, the technical solution adopted by the present application is:

[0007] The application is a kind of heat management system, including water side module, agent side module, cooling water valve, water side module structure module shell connects flow channel plate, flow channel plate is close to one side and is provided with Y pipeline, second pipeline, fifth pipeline, eighth pipeline, seventh pipeline, flow channel plate is close to one side and is provided with third pipeline, sixth pipeline, fourth pipeline, first pipeline, Z pipeline, the inner surface of flow channel plate is provided with first flow channel, second flow channel, third flow channel, fourth flow channel, fifth flow channel, sixth flow channel, seventh flow channel, eighth flow channel, ninth flow channel;The module shell of agent side module structure is provided with flow channel plate, and the flow channel plate is close to one side and is provided with first pipeline, second pipeline, third pipeline, fourth pipeline, fifth pipeline, sixth pipeline, and the flow channel plate is close to the other side and is provided with seventh pipeline, eighth pipeline, ninth pipeline, tenth pipeline, and the inner surface of flow channel plate is provided with first flow channel, second flow channel, third flow channel, fourth flow channel, fifth flow channel, sixth flow channel, seventh flow channel, eighth flow channel, ninth flow channel, tenth flow channel T, and the module shell is provided with cooling water valve, and the cooling water valve includes first water port, second water port, third water port, fourth water port, fifth water port, sixth water port, seventh water port, eighth water port.

[0008] Y pipeline C is communicated with kettle, second pipeline is communicated with water tank, fifth pipeline is communicated with battery, eighth pipeline is communicated with CHILLER, seventh pipeline is communicated with CHILLER, third pipeline is communicated with Motor ECU, sixth pipeline is communicated with battery, fourth pipeline is communicated with Motor ECU, first pipeline is communicated with water tank, and Z pipeline is communicated with kettle.

[0009] First flow channel extends to Y pipeline position, second flow channel extends to second pipeline position, third flow channel extends to fifth pipeline position, fourth flow channel extends to eighth pipeline F position, fifth flow channel extends to seventh pipeline position, sixth flow channel extends to third pipeline position, seventh flow channel extends to sixth pipeline position, eighth flow channel extends to fourth pipeline position simultaneously, and ninth pipeline extends to first pipeline K position and Z pipeline position simultaneously.

[0010] First pipeline F is communicated with EVAP, second pipeline is communicated with OHX, third pipeline is communicated with INCOND53, fourth pipeline E is communicated with OHX, fifth pipeline is communicated with EVAP, sixth pipeline is communicated with E-Comp, seventh pipeline is communicated with CHILLER, eighth pipeline is communicated with CHILLER, ninth pipeline is communicated with INCOND, and tenth pipeline is communicated with E-Comp.

[0011] First flow channel extends to first pipeline, second flow channel extends to second pipeline, third flow channel extends to third pipeline, fourth flow channel extends to fourth pipeline, fifth flow channel extends to fifth pipeline, sixth flow channel extends to sixth pipeline, seventh flow channel extends to seventh pipeline, eighth flow channel extends to eighth pipeline, ninth flow channel extends to ninth pipeline, and tenth flow channel extends to tenth pipeline.

[0012] The valve core of the cooling water valve is provided with a first mode conduction cavity group, a second mode conduction cavity group, a third mode conduction cavity group, a fourth mode conduction cavity group, a fifth mode conduction cavity group and a sixth mode conduction cavity group.

[0013] The first mode conduction cavity group comprises a first upper vertical cavity, a second upper vertical cavity, a first lower vertical cavity and a second lower vertical cavity; the second mode conduction cavity group comprises a first upper vertical cavity, a second upper vertical cavity, a first lower horizontal cavity and a second lower horizontal cavity; and the third mode conduction cavity group comprises a first upper vertical cavity, a first upper short cavity, a second upper short cavity, a first lower horizontal cavity, a first lower short cavity and a second lower short cavity.

[0014] The water outlets on the left side of the valve shell from top to bottom are a sixth water outlet, a seventh water outlet, a fourth water outlet and a first water outlet, and the water outlets on the right side of the valve shell from top to bottom are a third water outlet, a second water outlet, a fifth water outlet and an eighth water outlet.

[0015] The cooling water valve further comprises a valve core sealing gasket and a valve shell sealing gasket, and a valve cover is mounted on the upper part of the valve shell, and the actuator assembly is fixedly connected to the valve cover through screws.

[0016] The working modes of the thermal management system comprise:

[0017] A first working mode: high-temperature passenger cabin cooling + battery cooling mode;

[0018] A second working mode: first dehumidification mode of a medium-temperature passenger cabin;

[0019] A third working mode: second dehumidification mode of a medium-temperature passenger cabin;

[0020] A fourth working mode: third dehumidification mode of a medium-temperature passenger cabin;

[0021] A fifth working mode: low-temperature water source heat pump mode heat pump motor waste heat recovery + environment heat absorption mode;

[0022] A sixth working mode: first mode motor waste heat recovery mode of a low-temperature water source heat pump;

[0023] A seventh working mode: motor and battery waste heat recovery of a low-temperature water source heat pump;

[0024] An eighth working mode: low-temperature water source heat pump + battery heating mode heat pump environment heat absorption, motor locked-rotor, efficiency-reducing heating battery mode;

[0025] A ninth working mode: low-temperature air source heat pump + motor waste heat / locked-rotor heating battery mode;

[0026] A tenth working mode: low-temperature water source heat pump + motor heat storage mode;

[0027] Eleventh working mode: low temperature dual-source heat pump mode;

[0028] Twelfth working mode: extremely low temperature heat gas bypass + motor drop-off / locked-rotor heating battery mode;

[0029] Thirteenth working mode: filling + battery LTR cooling mode (Low Temperature Radiator, refers to the cooling mode of using a low temperature radiator to discharge battery heat to the environment).

[0030] The technical scheme of the present application has the following working principle and beneficial effects:

[0031] The thermal management system provided by the present application has simple architecture, less parts and components, and achieves vehicle driving thermal function control. BRIEF DESCRIPTION OF DRAWINGS

[0032] The content expressed by each drawing of the present specification and the marks in the drawings are briefly described as follows:

[0033] Figure 1 The figure is a structure diagram of the water side module structure of the thermal management system provided by the present application;

[0034] Figure 2 The figure is a structure diagram of the water side module structure of the thermal management system provided by the present application;

[0035] Figure 3a The figure is a structure diagram of the water side module structure of the thermal management system provided by the present application;

[0036] Figure 3b The figure is a structure diagram of the water side module structure of the thermal management system provided by the present application;

[0037] Figure 4a The figure is a structure diagram of the module shell A of the thermal management system provided by the present application;

[0038] Figure 4b The figure is a structure diagram of the module shell A of the thermal management system provided by the present application;

[0039] Figure 4c The figure is a structure diagram of the module shell A of the thermal management system provided by the present application;

[0040] Figure 4d The figure is a structure diagram of the module shell A of the thermal management system provided by the present application;

[0041] Figure 5 The figure is a structure diagram of the cooling water valve of the water side module structure of the thermal management system provided by the present application;

[0042] Figure 6Structure diagram of a cooling water valve of a water side module structure of a thermal management system according to the present application;

[0043] Figure 7a 、 Figure 7b Structure diagram of mode one of an electromagnetic cooling water valve for a new energy automobile according to the present application;

[0044] Figure 8a 、 Figure 8b Structure diagram of mode two of an electromagnetic cooling water valve for a new energy automobile according to the present application;

[0045] Figure 9a 、 Figure 9b Structure diagram of mode three of an electromagnetic cooling water valve for a new energy automobile according to the present application;

[0046] Figure 10a 、 Figure 10b Structure diagram of mode four of an electromagnetic cooling water valve for a new energy automobile according to the present application;

[0047] Figure 11a 、 Figure 11b Structure diagram of mode five of an electromagnetic cooling water valve for a new energy automobile according to the present application;

[0048] Figure 12a 、 Figure 12b Structure diagram of mode six of an electromagnetic cooling water valve for a new energy automobile according to the present application;

[0049] Figure 13a 、 13b Structure diagram of a water side module structure of a thermal management system according to the present application in a first working mode;

[0050] Figure 14a 、 14b Structure diagram of a water side module structure of a thermal management system according to the present application in a second working mode;

[0051] Figure 15a 、 15b Structure diagram of a water side module structure of a thermal management system according to the present application in a third working mode;

[0052] Figure 16a 、 16b Structure diagram of a water side module structure of a thermal management system according to the present application in a fourth working mode;

[0053] Figure 17a 、 17b Structure diagram of a water side module structure of a thermal management system according to the present application in a fifth working mode;

[0054] Figure 18a , 18b Structure diagram of the water side module structure of the thermal management system of the present application in the sixth working mode;

[0055] Figure 19a , 19b Structure diagram of the water side module structure of the thermal management system of the present application in the seventh working mode;

[0056] Figure 20a , 20b Structure diagram of the water side module structure of the thermal management system of the present application in the eighth working mode;

[0057] Figure 21a , 21b Structure diagram of the water side module structure of the thermal management system of the present application in the ninth working mode;

[0058] Figure 22a , 22b Structure diagram of the water side module structure of the thermal management system of the present application in the tenth working mode;

[0059] Figure 23a , 23b Structure diagram of the water side module structure of the thermal management system of the present application in the eleventh working mode;

[0060] Figure 24a , 24b Structure diagram of the water side module structure of the thermal management system of the present application in the twelfth working mode;

[0061] Figure 25a , 25b Structure diagram of the water side module structure of the thermal management system of the present application in the thirteenth working mode;

[0062] Figure 26a , 26b , 26c Structure diagram of the water side module structure of the thermal management system of the present application in the first working mode;

[0063] Figure 27a , 27b , 27c Structure diagram of the water side module structure of the thermal management system of the present application in the second working mode;

[0064] Figure 28a , 28b , 28c Structure diagram of the water side module structure of the thermal management system of the present application in the third working mode;

[0065] Figure 29a , 29b, 29c is the structural schematic diagram of the water side module structure of the thermal management system of the present application in the fourth working mode;

[0066] Figure 30a , 30b , 30c is the structural schematic diagram of the water side module structure of the thermal management system of the present application in the fifth working mode;

[0067] Figure 31a , 31b , 31c is the structural schematic diagram of the water side module structure of the thermal management system of the present application in the sixth working mode;

[0068] Figure 32a , 32b , 32c is the structural schematic diagram of the water side module structure of the thermal management system of the present application in the seventh working mode;

[0069] Figure 33a , 33b , 33c is the structural schematic diagram of the water side module structure of the thermal management system of the present application in the eighth working mode;

[0070] Figure 34a , 34b , 34c is the structural schematic diagram of the water side module structure of the thermal management system of the present application in the ninth working mode;

[0071] Figure 35a , 35b , 35c is the structural schematic diagram of the water side module structure of the thermal management system of the present application in the tenth working mode;

[0072] Figure 36a , 36b , 36c is the structural schematic diagram of the water side module structure of the thermal management system of the present application in the eleventh working mode;

[0073] Figure 37a , 37b , 37c is the structural schematic diagram of the water side module structure of the thermal management system of the present application in the twelfth working mode;

[0074] Figure 38a , 38b , 38c is the structural schematic diagram of the water side module structure of the thermal management system of the present application in the thirteenth working mode;

[0075] A, module housing; B, flow channel plate; C, Y pipeline; D, second pipeline; E, fifth pipeline; F, eighth pipeline; G, seventh pipeline; H, third pipeline; I, sixth pipeline; J, fourth pipeline; K, first pipeline; L, Z pipeline; M, first flow channel; N, second flow channel; O, third flow channel; P, fourth flow channel; Q, fifth flow channel; R, sixth flow channel; S, seventh flow channel; T, eighth flow channel;

[0076] F, first pipeline; D, second pipeline; C, third pipeline; E, fourth pipeline; G, fifth pipeline; H, sixth pipeline; I, seventh pipeline; J, eighth pipeline; B, ninth pipeline; A, tenth pipeline;

[0077] K, first flow channel; L, second flow channel; M, third flow channel; N, fourth flow channel; O, fifth flow channel; P, sixth flow channel; Q, seventh flow channel; R, eighth flow channel; S, ninth flow channel; T, tenth flow channel;

[0078] 1, first mode conduction cavity group; 2, second mode conduction cavity group; 3, third mode conduction cavity group; 4, fourth mode conduction cavity group; 5, fifth mode conduction cavity group; 6, sixth mode conduction cavity group; 7, first upper vertical long cavity; 8, second upper vertical long cavity; 9, first lower horizontal long cavity; 10, second lower vertical long cavity; 11, first lower horizontal long cavity; 12, second lower horizontal long cavity; 13, first upper short cavity; 14, second upper short cavity; 15, first lower short cavity; 16, second lower short cavity; 17, first middle vertical long cavity; 18, first middle short cavity; 19, second middle short cavity; 20, first upper horizontal long cavity; 21, second upper horizontal long cavity; 22, valve core; 23, valve shell; 24, actuator assembly; 25, valve core sealing gasket; 26, valve shell sealing gasket; 27, valve cover; 28, screw;

[0079] 30, cooling water valve; 31, first water port; 32, second water port; 33, third water port; 34, fourth water port; 35, fifth water port; 36, sixth water port; 37, seventh water port; 38, eighth water port;

[0080] 41, water tank; 42, battery; 43, CHILLER; 44, Motor ECU; 45, kettle;

[0081] 51, EVAP; 52, OHX; 53, INCOND; 54, E-Comp. DETAILED DESCRIPTION

[0082] The specific embodiments of the present application and the shapes, structures, mutual positions and connection relationships between the parts, functions and working principles of the components involved will be further described in detail below with reference to the drawings.

[0083] As attached Figure 1 -As shown in Figure 3, the present invention is a thermal management system, including a water-side module, a solvent-side module, and a cooling water valve. The module housing A of the water-side module is connected to a flow channel plate B. A Y-pipe C, a second pipe D, a fifth pipe E, an eighth pipe F, and a seventh pipe G are arranged on one side of the flow channel plate B. A third pipe H, a sixth pipe I, a fourth pipe J, a first pipe K, and a Z-pipe L are arranged on one side of the flow channel plate B. A first flow channel M, a second flow channel N, a third flow channel O, a fourth flow channel P, a fifth flow channel Q, a sixth flow channel R, a seventh flow channel S, an eighth flow channel T, and a ninth flow channel W are arranged on the inner surface of the flow channel plate B. The module housing of the solvent-side module is equipped with a flow channel plate, and a flow channel plate is arranged on the inner surface of the flow channel plate near... One side is provided with a first pipe F, a second pipe D, a third pipe C, a fourth pipe E, a fifth pipe G, and a sixth pipe H. Near the other side, on the flow channel plate, a seventh pipe I, an eighth pipe J, a ninth pipe B, and a tenth pipe A are provided. The inner surface of the flow channel plate is provided with a first flow channel K, a second flow channel L, a third flow channel M, a fourth flow channel N, a fifth flow channel O, a sixth flow channel P, a seventh flow channel Q, an eighth flow channel R, a ninth flow channel S, and a tenth flow channel T. A cooling water valve 30 is installed inside the module housing. The cooling water valve 30 includes a first water inlet 31, a second water inlet 32, a third water inlet 33, a fourth water inlet 34, a fifth water inlet 35, a sixth water inlet 36, a seventh water inlet 37, and an eighth water inlet 38. The above structure addresses the shortcomings of the prior art by proposing an improved technical solution. This invention does not improve the entire thermal management system, as the thermal management system is a structure already existing in the prior art, but rather improves local structures and components to enhance the control performance of the entire thermal management system. Specifically, improvements were made to the water-side module, the solvent-side module, and the cooling water valve. By modifying the cooling water valve structure, six on / off modes were achieved. Combined with the structural improvements to the water-side and solvent-side modules, the thermal management system could achieve thirteen operating modes. This effectively improved the control performance of the thermal management system.

[0084] The Y pipeline C communicates with the kettle 45, the second pipeline D communicates with the water tank 41, the fifth pipeline E communicates with the battery 42, the eighth pipeline F communicates with the CHILLER 43, the seventh pipeline G communicates with the CHILLER 43, the third pipeline H communicates with the Motor ECU 44, the sixth pipeline I communicates with the battery 42, the fourth pipeline J communicates with the Motor ECU 44, the first pipeline K communicates with the water tank 41, and the Z pipeline L communicates with the kettle 45. The first flow channel M extends to the position of the Y pipeline C, the second flow channel N extends to the position of the second pipeline D, the third flow channel O extends to the position of the fifth pipeline E, the fourth flow channel P extends to the position of the eighth pipeline F, the fifth flow channel Q extends to the position of the seventh pipeline G, the sixth flow channel R extends to the position of the third pipeline H, the seventh flow channel S extends to the position of the sixth pipeline I, the eighth flow channel T extends to the position of the fourth pipeline J, and the ninth pipeline W extends to the position of the first pipeline K and the position of the Z pipeline L. The above structure is improved in partial structure on the basis of the existing thermal management system. On the one hand, the structure of the module shell A is improved, different flow channels and different pipelines are arranged, different flow channels correspond to different pipelines, and different pipelines correspond to different components. On the other hand, a special structure cooling water valve is installed in the module shell A. The cooling water valve is an eight-way structure and can realize the control of six kinds of on-off modes. After the above cooling water valve is used, the water side module structure of the thermal management system can realize the switching of thirteen kinds of control modes, which are: the first mode: high-temperature passenger cabin cooling + battery cooling mode; the second mode: medium-temperature passenger cabin first dehumidification mode; the third mode: medium-temperature passenger cabin second dehumidification mode; the fourth mode: medium-temperature passenger cabin third dehumidification mode; the fifth mode: low-temperature water source heat pump mode heat pump motor waste heat recovery + environmental heat absorption mode; the sixth mode: low-temperature water source heat pump first mode motor waste heat recovery mode; the seventh mode: low-temperature water source heat pump second mode motor and battery waste heat recovery; the eighth mode: low-temperature water source heat pump + battery heating mode heat pump environmental heat absorption, motor stall, efficiency reduction heating battery mode; the ninth mode: low-temperature air source heat pump + motor waste heat / stall heating battery mode; the tenth mode: low-temperature water source heat pump + motor heat storage mode; the eleventh mode: low-temperature dual-source heat pump mode; the twelfth mode: extremely low-temperature hot gas bypass + motor efficiency reduction / stall heating battery mode; and the thirteenth mode: filling + battery LTR cooling mode. In this way, the working performance of the thermal management system is effectively improved, and the use requirements of the vehicle are met.

[0085] The first pipeline F is connected with the EVAP 51, the second pipeline D is connected with the OHX 52, the third pipeline C is connected with the INCOND 53, the fourth pipeline E is connected with the OHX 52, the fifth pipeline G is connected with the EVAP 51, the sixth pipeline H is connected with the E-Comp 54, the seventh pipeline I is connected with the CHILLER 43, the eighth pipeline J is connected with the CHILLER 43, the ninth pipeline B is connected with the INCOND 53, and the tenth pipeline A is connected with the E-Comp 54. The first flow channel K extends to the first pipeline F, the second flow channel L extends to the second pipeline D, the third flow channel M extends to the third pipeline C, the fourth flow channel N extends to the fourth pipeline E, the fifth flow channel O extends to the fifth pipeline G, the sixth flow channel P extends to the sixth pipeline H, the seventh flow channel Q extends to the seventh pipeline I, the eighth flow channel R extends to the eighth pipeline J, the ninth flow channel S extends to the ninth pipeline B, and the tenth flow channel T extends to the tenth pipeline A. When the structure is arranged, the local structure is improved. On the one hand, the structure of the module shell is improved, different flow channels and different pipelines are arranged, different flow channels correspond to different pipelines, and different pipelines are connected with different components. On the other hand, the cooling water valve 30 with a special structure is installed in the module shell A. The cooling water valve 30 is an eight-way structure and can realize the control of six kinds of on-off modes. After the cooling water valve 30 is used, the thermal management system side module structure can realize the switching of thirteen kinds of control modes, which are: the first mode: high-temperature passenger cabin cooling + battery cooling mode; the second mode: medium-temperature passenger cabin first dehumidification mode; the third mode: medium-temperature passenger cabin second dehumidification mode; the fourth mode: medium-temperature passenger cabin third dehumidification mode; the fifth mode: low-temperature water source heat pump mode heat pump motor waste heat recovery + environment heat absorption mode; the sixth mode: low-temperature water source heat pump first mode motor waste heat recovery mode; the seventh mode: low-temperature water source heat pump second mode motor and battery waste heat recovery; the eighth mode: low-temperature water source heat pump + battery heating mode heat pump environment heat absorption, motor locked-rotor, efficiency reduction heating battery mode; the ninth mode: low-temperature air source heat pump + motor waste heat / locked-rotor heating battery mode; the tenth mode: low-temperature water source heat pump + motor heat accumulation mode; the eleventh mode: low-temperature dual-source heat pump mode; the twelfth mode: extremely low-temperature hot gas bypass + motor efficiency reduction / locked-rotor heating battery mode; and the thirteenth mode: filling + battery LTR cooling mode. In this way, the working performance of the thermal management system is effectively improved, and the use demand of the vehicle is met.

[0086] The first mode conduction cavity group 1, the second mode conduction cavity group 2, the third mode conduction cavity group 3, the fourth mode conduction cavity group 4, the fifth mode conduction cavity group 5 and the sixth mode conduction cavity group 6 are arranged on the valve core 22 of the cooling water valve 30. The first mode conduction cavity group 1 comprises the first upper vertical cavity 7, the second upper vertical cavity 8, the first lower vertical cavity 9 and the second lower vertical cavity 10. The second mode conduction cavity group 2 comprises the first upper vertical cavity 7, the second upper vertical cavity 8, the first lower horizontal cavity 11 and the second lower horizontal cavity 12. The third mode conduction cavity group 3 comprises the first upper vertical cavity 7, the first upper short cavity 13, the second upper short cavity 14, the first lower horizontal cavity 11, the first lower short cavity 15 and the second lower short cavity 16. The fourth mode conduction cavity group 4 comprises the first upper short cavity 7, the second upper vertical cavity 14, the first middle vertical cavity 17, the first middle short cavity 18 and the first lower horizontal cavity 11. The fifth mode conduction cavity group 5 comprises the first upper short cavity 13, the second upper short cavity 14, the first middle vertical cavity 17, the first middle short cavity 18, the second middle short cavity 19, the first lower short cavity 15 and the second lower short cavity 16. The sixth mode conduction cavity group 6 comprises the first upper horizontal cavity 20, the second upper horizontal cavity 21, the first lower horizontal cavity 11 and the second lower horizontal cavity 12. The above structure, the cooling water valve 30 mainly comprises the valve core 22 and the valve shell 23, the valve core 22 rotates to realize the position change relative to the valve shell 23, and a plurality of mode conduction cavity groups are arranged on the valve core, and a plurality of water outlets are arranged on the valve shell, so that the on-off control of different pipelines of the cooling water valve can be realized, and the switching between different modes can be realized. The cooling water valve can realize six switching modes, which are the first mode, the second mode, the third mode, the fourth mode, the fifth mode and the sixth mode. The cooling water valve is applied to the control of the water side module of the thermal management system, and the water side module of the thermal management system can realize the switching of thirteen modes. The six modes of the cooling water valve are described as follows. In the first mode, the first mode conduction cavity group 1 is aligned with the water outlet group, the first upper vertical cavity 7 realizes the communication between the sixth water outlet 36 and the seventh water outlet 37, the second upper vertical cavity 8 realizes the communication between the third water outlet 33 and the second water outlet 32, the first lower vertical cavity 9 realizes the communication between the fourth water outlet 34 and the first water outlet 31, and the second lower vertical cavity 10 realizes the communication between the fifth water outlet 35 and the eighth water outlet 38. In the second mode, the second mode conduction cavity group 2 is aligned with the water outlet group, the first upper vertical cavity 7 realizes the communication between the sixth water outlet 36 and the seventh water outlet 37, the second upper vertical cavity 8 realizes the communication between the third water outlet 33 and the second water outlet 32, the first lower horizontal cavity 11 realizes the communication between the fourth water outlet 34 and the fifth water outlet 35, and the second lower horizontal cavity 12 realizes the communication between the first water outlet 31 and the eighth water outlet 38.The third mode: the third mode of the cavity group 3 aligns with the water port group, the first upper vertical long cavity 7 realizes the sixth water port 36 and the seventh water port 37 communication, the first upper short cavity 13 corresponds to the second lower short cavity 16, realizes the third water port 33 and the eighth water port 38 communication, the second upper short cavity 14 realizes the second water port 32 closed, the first lower horizontal long cavity 9 realizes the fourth water port 34 and the fifth water port 35 communication, the first lower short cavity 15 realizes the first water port 31 closed. The fourth mode: the fourth mode of the cavity group 4 aligns with the water port group, the first upper short cavity 7 realizes the sixth water port 36 closed, the second upper vertical long cavity 14 realizes the third water port 33 and the second water port 32 communication, the first middle vertical long cavity 17 realizes the seventh water port 37 and the fourth water port 34 communication, the first middle short cavity 18 realizes the fifth water port 35 closed, the first lower horizontal long cavity 11 realizes the first water port 31 and the eighth water port 38 communication; The fifth mode: the fifth mode of the cavity group 5 aligns with the water port group, the first upper short cavity 13 realizes the sixth water port 36 closed, the second upper short cavity 14 corresponds to the second lower short cavity 16, realizes the third water port 33 and the eighth water port 38 communication, the first middle vertical long cavity 17 realizes the seventh water port 37 and the fourth water port 34 communication, the first middle short cavity 18 realizes the second water port 32 closed, the second middle short cavity 19 realizes the fifth water port 35 closed, the first lower short cavity 15 realizes the first water port 31 closed; The sixth mode: the sixth mode of the cavity group 6 aligns with the water port group, the first upper horizontal long cavity 20 realizes the sixth water port 36 and the third water port 33 communication, the second upper horizontal long cavity 21 realizes the seventh water port 37 and the second water port 32 communication, the first lower horizontal long cavity 11 realizes the fourth water port 34 and the fifth water port 35 communication, and the second lower horizontal long cavity 12 realizes the first water port 31 and the eighth water port 38 communication.

[0087] The water ports on the left side of the valve shell 23 from top to bottom are the sixth water port 36, the seventh water port 37, the fourth water port 34, and the first water port 31, and the water ports on the right side of the valve shell 23 from top to bottom are the third water port 33, the second water port 32, the fifth water port 35, and the eighth water port 38. The above structure includes eight water ports, which are arranged from top to bottom, and four on the left side and four on the right side. The water port group formed by the eight water ports can realize six mode switching by cooperating with the valve core rotation.

[0088] The cooling water valve 30 further comprises a valve core sealing gasket 25 and a valve shell sealing gasket 26, the valve shell 23 is provided with a valve cover 27 at the upper portion, and the actuator assembly 24 is fixedly connected to the valve cover 27 through a screw 28. The working principle of the cooling water valve is that, after receiving an electric signal, the actuator assembly is driven by the motor of the actuator assembly to rotate the valve core, and the valve core is rotated to the required functional mode, that is, the corresponding group of through cavities is aligned with the corresponding group of water ports, so that the cooling liquid flows to the corresponding parts in the thermal management system to realize heat exchange. The valve core sealing gasket 25 is arranged at the outer circle of the valve core to improve the sealing performance of the contact part between the valve core and the valve shell. The valve shell sealing gasket 26 is arranged at the outer position of the water port group of the valve shell to improve the sealing performance of the contact part between the water port group of the valve shell and the corresponding connecting part.

[0089] The working modes of the thermal management system include:

[0090] The first working mode is a high-temperature passenger cabin cooling + battery cooling mode.

[0091] The second working mode is a first dehumidification mode of a medium-temperature passenger cabin.

[0092] The third working mode is a second dehumidification mode of a medium-temperature passenger cabin.

[0093] The fourth working mode is a third dehumidification mode of a medium-temperature passenger cabin.

[0094] The fifth working mode is a low-temperature water source heat pump mode heat pump motor waste heat recovery + environment heat absorption mode.

[0095] The sixth working mode is a first mode of a low-temperature water source heat pump motor waste heat recovery mode.

[0096] The seventh working mode is a second mode of a low-temperature water source heat pump motor and battery waste heat recovery.

[0097] The eighth working mode is a low-temperature water source heat pump + battery heating mode heat pump environment heat absorption, motor locked-rotor, and reduced-efficiency heating battery mode.

[0098] The ninth working mode is a low-temperature air source heat pump + motor waste heat / locked-rotor heating battery mode.

[0099] The tenth working mode is a low-temperature water source heat pump + motor heat storage mode.

[0100] The eleventh working mode is a low-temperature dual-source heat pump mode.

[0101] The twelfth working mode is an extremely low-temperature hot gas bypass + motor reduced-efficiency / locked-rotor heating battery mode.

[0102] The thirteenth working mode is a filling + battery LTR cooling mode.

[0103] The application is described above with reference to the drawings, and it is obvious that the specific implementation of the application is not limited by the above manner, as long as various improvements are made by using the method concept and technical scheme of the application, or the concept and technical scheme of the application is directly applied to other occasions without improvement, which is within the protection scope of the application.

Claims

1. A thermal management system, characterized in that: The system includes a water-side module, a solvent-side module, and a cooling water valve. The water-side module's housing (A) is connected to a flow channel plate (B). On the flow channel plate (B), near one side, are arranged Y-pipes (C), a second pipe (D), a fifth pipe (E), an eighth pipe (F), and a seventh pipe (G). On the flow channel plate (B), near one side, are a third pipe (H), a sixth pipe (I), a fourth pipe (J), a first pipe (K), and a Z pipe (L). The inner surface of the flow channel plate (B) is provided with a first flow channel (M), a second flow channel (N), a third flow channel (O), a fourth flow channel (P), a fifth flow channel (Q), a sixth flow channel (R), a seventh flow channel (S), an eighth flow channel (T), and a ninth flow channel (W). The solvent-side module's housing is equipped with a flow channel plate, and on the flow channel plate, near one side, are arranged first pipes (F), second pipes (C), and third pipes (D), fourth pipes (E), fifth pipes (E), eighth pipes (F), and ninth pipes (W). The flow channel plate has a third pipe (D), a fourth pipe (C), a fifth pipe (E), a sixth pipe (G), and a seventh pipe (I), an eighth pipe (J), a ninth pipe (B), and a tenth pipe (A) near the other side. The inner surface of the flow channel plate has a first flow channel (K), a second flow channel (L), a third flow channel (M), a fourth flow channel (N), a fifth flow channel (O), a sixth flow channel (P), a seventh flow channel (Q), an eighth flow channel (R), a ninth flow channel (S), and a tenth flow channel (T). A cooling water valve (30) is installed inside the module housing. The cooling water valve (30) includes a first water inlet (31), a second water inlet (32), a third water inlet (33), a fourth water inlet (34), a fifth water inlet (35), a sixth water inlet (36), a seventh water inlet (37), and an eighth water inlet (38).

2. The thermal management system according to claim 1, characterized in that: The Y-pipe (C) is connected to the kettle (45), the second pipe (D) is connected to the water tank (41), the fifth pipe (E) is connected to the battery (42), the eighth pipe (F) is connected to the chiller (43), the seventh pipe (G) is connected to the chiller (43), the third pipe (H) is connected to the motor ECU (44), the sixth pipe (I) is connected to the battery (42), the fourth pipe (J) is connected to the motor ECU (44), the first pipe (K) is connected to the water tank (41), and the Z-pipe (L) is connected to the kettle (45).

3. The thermal management system according to claim 3, characterized in that: The first flow channel (M) extends to the Y pipe (C) position, the second flow channel (N) extends to the second pipe (D) position, the third flow channel (O) extends to the fifth pipe (E) position, the fourth flow channel (P) extends to the eighth pipe (F) position, the fifth flow channel (Q) extends to the seventh pipe (G) position, the sixth flow channel (R) extends to the third pipe (H) position, the seventh flow channel (S) extends to the sixth pipe (I) position, the eighth flow channel (T) simultaneously extends to the fourth pipe (J) position, and the ninth pipe (W) simultaneously extends to the first pipe (K) position and the Z pipe (L) position.

4. The thermal management system according to claim 1 or 2, characterized in that: The first conduit (F) is connected to EVAP (51), the second conduit (D) is connected to OHX (52), the third conduit (C) is connected to INCOND (53), the fourth conduit (E) is connected to OHX (52), the fifth conduit (G) is connected to EVAP (51), the sixth conduit (H) is connected to E-Comp (54), the seventh conduit (I) is connected to CHILLER (43), the eighth conduit (J) is connected to CHILLER (43), the ninth conduit (B) is connected to INCOND (53), and the tenth conduit (A) is connected to E-Comp (54).

5. The thermal management system according to claim 4, characterized in that: The first flow channel (K) extends to the first pipe (F), the second flow channel (L) extends to the second pipe (D), the third flow channel (M) extends to the third pipe (C), the fourth flow channel (N) extends to the fourth pipe (E), the fifth flow channel (O) extends to the fifth pipe (G), the sixth flow channel (P) extends to the sixth pipe (H), the seventh flow channel (Q) extends to the seventh pipe (I), the eighth flow channel (R) extends to the eighth pipe (J), the ninth flow channel (S) extends to the ninth pipe (B), and the tenth flow channel (T) extends to the tenth pipe (A).

6. The thermal management system according to claim 1 or 2, characterized in that: The cooling water valve (30) has a first mode conduction cavity group (1), a second mode conduction cavity group (2), a third mode conduction cavity group (3), a fourth mode conduction cavity group (4), a fifth mode conduction cavity group (5), and a sixth mode conduction cavity group (6) on its valve core (22).

7. The thermal management system according to claim 6, characterized in that: The first mode conduction cavity group (1) includes a first upper vertical elongated cavity (7), a second upper vertical elongated cavity (8), a first lower vertical elongated cavity (9), and a second lower vertical elongated cavity (10); the second mode conduction cavity group (2) includes a first upper vertical elongated cavity (7), a second upper vertical elongated cavity (8), a first lower horizontal elongated cavity (11), and a second lower horizontal elongated cavity (12); the third mode conduction cavity group (3) includes a first upper vertical elongated cavity (7), a first upper short cavity (13), a second upper short cavity (14), a first lower horizontal elongated cavity (11), a first lower short cavity (15), and a second lower short cavity (16).

8. The thermal management system according to claim 1 or 2, characterized in that: The water inlets on the left side of the valve housing (23) are, from top to bottom, the sixth water inlet (36), the seventh water inlet (37), the fourth water inlet (34), and the first water inlet (31). The water inlets on the right side of the valve housing (23) are, from top to bottom, the third water inlet (33), the second water inlet (32), the fifth water inlet (35), and the eighth water inlet (38).

9. The thermal management system according to claim 1 or 2, characterized in that: The cooling water valve (30) also includes a valve core sealing gasket (25) and a valve body sealing gasket (26). A valve cover (27) is installed on the upper part of the valve body (23), and the actuator assembly (24) is fixedly connected to the valve cover (27) by screws (28).

10. The thermal management system according to claim 1, characterized in that: The operating modes of the aforementioned thermal management system include: First operating mode: High-temperature passenger compartment cooling + battery cooling mode; Second operating mode: First dehumidification mode for medium-temperature passenger cabin; Third operating mode: Second dehumidification mode for medium-temperature passenger cabin; Fourth operating mode: Third dehumidification mode for medium-temperature passenger cabin; Fifth operating mode: Low-temperature water source heat pump mode (heat pump motor waste heat recovery + ambient heat absorption mode); Sixth operating mode: Low-temperature water source heat pump first mode (motor waste heat recovery mode); Seventh operating mode: Low-temperature water source heat pump second mode (motor and battery waste heat recovery); Eighth working mode: Low temperature water source heat pump + battery heating mode (heat pump absorbs heat from the environment, motor stalls, and the battery is heated in a reduced efficiency mode); Ninth operating mode: Low-temperature air source heat pump + motor waste heat / stalled rotor heating battery mode; Tenth operating mode: Low-temperature water source heat pump + motor heat storage mode; Eleventh operating mode: Low-temperature dual-source heat pump mode; Twelfth operating mode: Extremely low temperature hot gas bypass + motor efficiency reduction / stalled rotor heating battery mode; Thirteenth operating mode: Refilling + Battery LTR cooling mode.

Citation Information

Patent Citations

  • Integrated thermal management system for vehicles

    CN111132859B