Vehicle thermal management system and vehicle

Abstract

This application provides a vehicle thermal management system and a vehicle, including a temperature control circuit, an integrated module, a heat exchange device, and multiple thermal management circuits. The multiple thermal management circuits are each connected to the integrated module, and can be selectively connected via the integrated module. One side of the heat exchange device is connected to the temperature control circuit, and the other side is connected to at least one thermal management circuit. The temperature control circuit is used to transfer the heat exchange medium that has undergone cooling or heating, and exchanges heat with at least one of the multiple thermal management circuits through the heat exchange device. This arrangement reduces the amount of heat exchange medium and the heat transfer path, thereby improving heat transfer efficiency. The integrated module reduces the number of valves, simplifying the overall structure of the vehicle thermal management system and improving its compactness and integration.

Description

Technical Field

[0001] This application relates to the field of vehicle thermal management, and more particularly to a vehicle thermal management system and a vehicle. Background Technology

[0002] With the increasing demand in the new energy vehicle market, a major challenge it faces is the significant reduction in driving range when operating in extreme temperature environments, with the energy consumption of the thermal management system accounting for a large portion of this. In existing technologies, most electric drive systems still employ water-cooling systems; for the internal cooling of the motor, oil-cooling technology is used. In this approach, the motor's heat is first transferred through oil cooling, then absorbed and transferred to the coolant by a water-cooled oil cooler. Finally, the coolant transfers the heat to the air, achieving an effective cooling effect. The aforementioned vehicle thermal management systems involve three cooling media: water, oil, and coolant, resulting in a large number of valves and pipes, and long heat transfer paths. This leads to low heat exchange efficiency. Summary of the Invention

[0003] This application provides a vehicle thermal management system and vehicle that reduces the number of valves and the heat transfer path.

[0004] In a first aspect, this application provides a vehicle thermal management system, including: a temperature control circuit, an integrated module, a heat exchange device, and multiple thermal management circuits;

[0005] The plurality of thermal management loops are respectively connected to the integrated module, and the plurality of thermal management loops can be selectively connected through the integrated module; one side of the heat exchange device is connected to the temperature control loop, and the other side is connected to at least one of the thermal management loops;

[0006] A first heat exchange medium is provided in each of the plurality of thermal management circuits, and a second heat exchange medium is provided in the temperature control circuit; one side of the heat exchange device is connected to the temperature control circuit, and the other side is connected to at least one of the plurality of thermal management circuits.

[0007] The temperature control circuit is used to transfer the second heat exchange medium that has been cooled or heated, and to exchange heat with the first heat exchange medium in the plurality of thermal management circuits through the heat exchange device.

[0008] In this application, multiple thermal management loops are connected to an integrated module, and these loops can be selectively connected via the integrated module. Each thermal management loop contains a first heat exchange medium, and a temperature control loop contains a second heat exchange medium. The temperature control loop transfers the second heat exchange medium (after cooling or heating) and exchanges heat with the first heat exchange medium in the multiple thermal management loops via a heat exchange device. This arrangement reduces the number of heat exchange media and the number of heat transfer paths, thereby improving heat transfer efficiency. Furthermore, the integrated module reduces the number of valves, simplifying the overall structure of the vehicle's thermal management system and enhancing its compactness and integration.

[0009] Optionally, the plurality of thermal management circuits include a motor heat storage circuit and a motor heat dissipation circuit for thermal management of the motor; the vehicle thermal management system further includes a first valve device, the first valve device including a first connection end and a second connection end and a third connection end selectively connected to the first connection end, the first connection end being connected to the motor heat storage circuit, the second connection end being connected to the motor heat dissipation circuit, and the third connection end being connected to the integrated module;

[0010] When the first connection terminal and the second connection terminal are connected, the motor heat storage circuit is connected to the integrated module; when the first connection terminal and the third connection terminal are connected, the motor heat dissipation circuit is connected to the integrated module.

[0011] Optionally, the integrated module includes a first valve port and a second valve port selectively connected to the first valve port. The vehicle thermal management system further includes a first one-way pump, a controller, and a motor connected in sequence. The first one-way pump is connected to the first valve port, and the conduction direction of the first one-way pump is from the first valve port to the controller. The motor is connected to the first connection end, and the third connection end is connected to the second valve port.

[0012] When the first connection end and the third connection end are connected, and the second valve port and the first valve port are connected, the first unidirectional pump, the controller and the motor are connected through the integrated module to form the motor heat storage circuit.

[0013] Optionally, the integrated module includes a first valve port and a third valve port selectively connected to the first valve port. The vehicle thermal management system further includes a first one-way pump, a controller, a motor, and a motor cooling device. The first one-way pump, the controller, and the motor are connected in sequence. The first one-way pump is connected to the first valve port, and the conduction direction of the first one-way pump is from the first valve port to the controller. The motor is connected to the first connection end. One end of the motor cooling device is connected to the third valve port, and the other end is connected to the second connection end.

[0014] When the first connection end and the second connection end are connected, and the third valve port and the first valve port are connected, the first one-way pump, the controller, the motor and the motor heat dissipation device are connected through the integrated module to form the motor heat dissipation circuit.

[0015] Optionally, the motor cooling device includes an air intake device, a motor radiator body, and a fan. The air intake device and the fan are respectively disposed on both sides of the motor radiator body. One end of the motor radiator body is connected to the third valve port, and the other end is connected to the second connection end.

[0016] Optionally, the plurality of thermal management circuits include: a battery heat dissipation circuit for thermal management of the battery and a passenger compartment thermal management circuit for thermal management of the passenger compartment.

[0017] One side of the heat exchange device is connected to the temperature control circuit, and the other side is connected to at least one of the battery heat dissipation circuit and the crew cabin thermal management circuit.

[0018] Optionally, the crew compartment thermal management circuit includes a first crew compartment thermal management circuit and a second crew compartment thermal management circuit; one side of both the first and second crew compartment thermal management circuits is connected to the integrated module, and the other side is connected to the heat exchange device.

[0019] Optionally, the vehicle thermal management system further includes a second one-way pump and a first passenger compartment thermal management device. The integrated module includes a fourth valve port and a fifth valve port. The fourth valve port is connected to the second one-way pump, and the first passenger compartment thermal management device is connected to the fifth valve port. A heat exchange device is connected between the second one-way pump and the first passenger compartment thermal management device. The conduction direction of the second one-way pump is from the fourth valve port to the heat exchange device.

[0020] The fourth valve port is connected to the fifth valve port, and the second unidirectional pump, the heat exchange device, and the first crew cabin thermal management device are connected through the integrated module to form the first crew cabin thermal management loop.

[0021] Optionally, the vehicle thermal management system further includes a third one-way pump and a second passenger compartment thermal management device. The integrated module includes a sixth valve port and a seventh valve port. The sixth valve port is connected to the third one-way pump, and the third one-way pump is connected to the second passenger compartment thermal management device. The heat exchange device is connected between the second passenger compartment thermal management device and the seventh valve port. The conduction direction of the third one-way pump is from the sixth valve port to the second passenger compartment thermal management device.

[0022] The sixth valve port is connected to the seventh valve port, and the third unidirectional pump, the second crew cabin thermal management device, and the heat exchange device are connected through the integrated module to form the second crew cabin thermal management loop.

[0023] Optionally, the heat exchange device includes a first heat exchanger and a second heat exchanger, wherein the first heat exchanger is connected to a first crew compartment thermal management circuit, and the second heat exchanger is connected to a second crew compartment thermal management circuit and a battery heat dissipation circuit.

[0024] Optionally, the second crew compartment thermal management circuit is provided with a second valve device, the second valve device including a fourth connection terminal connected to the second heat exchanger and a fifth connection terminal and a sixth connection terminal selectively connected to the fourth connection terminal; the fourth connection terminal is connected to the second heat exchanger, the fifth connection terminal is connected to the integrated module, and the sixth connection terminal is connected to the battery heat dissipation circuit.

[0025] When the fourth connection terminal and the sixth connection terminal are connected, the first passenger compartment thermal management circuit, the motor cooling circuit, the second passenger compartment thermal management circuit, and the battery cooling circuit are connected through the integrated module; when the fourth connection terminal and the fifth connection terminal are connected, the first passenger compartment thermal management circuit, the motor cooling circuit, and the second passenger compartment thermal management circuit are connected through the integrated module.

[0026] Optionally, the second crew compartment thermal management circuit is further provided with a third valve device, which includes a seventh connection end and an eighth connection end that are connected to each other, and a ninth connection end that is selectively connected to the eighth connection end. The seventh connection end is connected to the second heat exchanger, the eighth connection end is connected to the fourth connection end, and the ninth connection end is connected to the integrated module.

[0027] When the fourth connection terminal and the sixth connection terminal are connected, and the eighth connection terminal and the ninth connection terminal are connected, the motor heat dissipation circuit and the battery heat dissipation circuit are connected through the integrated module.

[0028] Optionally, it also includes a compressor and a gas-liquid separator connected to the compressor, with one end of the heat exchange device connected to the compressor and the other end connected to the gas-liquid separator to form the temperature control circuit.

[0029] Optionally, the temperature control circuit includes a main circuit and a bypass circuit, with the heat exchange device, the compressor, and the gas-liquid separator all located in the main circuit; the bypass circuit includes a first end and a second end, the first end being connected between the compressor and the heat exchange device, and the second end being connected between the heat exchange device and the gas-liquid separator.

[0030] Optionally, it also includes a first flow regulating device and a second flow regulating device, wherein the first flow regulating device is disposed in the main circuit and the second flow regulating device is disposed in the bypass circuit.

[0031] Optionally, it also includes a detection device disposed in the temperature control circuit for detecting at least one of the temperature and pressure of the heat exchange medium flowing through the temperature control circuit.

[0032] Optionally, the heat exchange device includes a first heat exchanger and a second heat exchanger connected to the first heat exchanger, the first heat exchanger being connected to the compressor, and the second heat exchanger being connected to the gas-liquid separator;

[0033] The vehicle thermal management system further includes a detection device disposed in the temperature control circuit for detecting at least one of the temperature and pressure of the heat exchange medium flowing through the temperature control circuit. The detection device includes a first sensor and a second sensor, wherein the first sensor is disposed between the first heat exchanger and the second heat exchanger, and the second sensor is disposed between the first heat exchanger and the second heat exchanger.

[0034] Secondly, this application also provides a vehicle that includes the vehicle thermal management system described in the first aspect.

[0035] By implementing the above settings, the amount of heat exchange medium and the heat transfer path are reduced, thereby improving the efficiency of heat transfer and reducing the overall energy consumption of the vehicle. By setting up integrated modules to reduce the number of valves, the overall structure of the vehicle thermal management system is simplified, which helps to improve the compactness and integration of the vehicle thermal management system and facilitates its installation inside the vehicle. Attached Figure Description

[0036] The accompanying drawings, which are incorporated in and form a part of this specification, illustrate embodiments consistent with this disclosure and, together with the description, serve to explain the principles of this disclosure.

[0037] Figure 1 The diagram shown is a schematic representation of an embodiment of the vehicle thermal management system of this application.

[0038] Figure 2 The diagram shows the flow direction of motor heat dissipation in the vehicle thermal management system of this application.

[0039] Figure 3 The diagram shows the flow direction of heat storage in the motor of the vehicle thermal management system of this application.

[0040] Figure 4 The diagram shows the flow direction of waste heat recovery from the motor in the vehicle thermal management system of this application.

[0041] Figure 5The diagram shows the flow direction of passenger compartment heating in the vehicle thermal management system of this application.

[0042] Figure 6 The diagram shows the flow direction of cooling in the passenger compartment of the vehicle thermal management system of this application.

[0043] Figure 7 The diagram shows the flow direction of the vehicle thermal management system of this application, which simultaneously cools the battery and the passenger compartment.

[0044] Explanation of reference numerals in the attached figures:

[0045] Vehicle thermal management system 100; integrated module 110; first valve port 1; second valve port 2; third valve port 3; fourth valve port 4; fifth valve port 5; sixth valve port 6; seventh valve port 7; eighth valve port 8; ninth valve port 9; first one-way pump 121; controller 122; motor 123; first valve device 124; first connection end a; second connection end b; third connection end c; motor cooling device 130; air intake device 131; motor radiator body 132; fan 133; second one-way pump 141; first passenger compartment thermal management device 1 42; Third unidirectional pump 151; Second crew compartment thermal management device 152; Third valve device 153; Seventh connection end g; Eighth connection end h; Ninth connection end i; Second valve device 154; Fourth connection end d; Fifth connection end e; Sixth connection end f; Battery 160; Compressor 171; First sensor 172; First flow regulating device 173; First heat exchanger 174; Second sensor 175; Third flow regulating device 176; Second heat exchanger 177; Second flow regulating device 178; Gas-liquid separator 179. Detailed Implementation

[0046] The technical solutions in the embodiments (or "implementations") of this application will be clearly and completely described herein with reference to the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements.

[0047] If the embodiments of this application contain terms relating to directional indications or positional relationships (such as up, down, left, right, front, back, inside, outside, top, bottom, center, vertical, horizontal, longitudinal, transverse, length, width, counterclockwise, clockwise, axial, radial, circumferential, etc.), such terms are only used to explain the relative positional relationships and movements between components in a specific posture (as shown in the attached figures); if the specific posture changes, the directional indications or positional relationships will also change accordingly. Furthermore, the terms "first" and "second" used in the embodiments of this application are only for descriptive convenience and should not be construed as indicating or implying relative importance.

[0048] This application provides a vehicle thermal management system 100, including a temperature control circuit, an integrated module 110, a heat exchange device, and multiple thermal management circuits. The multiple thermal management circuits are respectively connected to the integrated module 110, and can be selectively connected through the integrated module 110. One side of the heat exchange device is connected to the temperature control circuit, and the other side is connected to at least one thermal management circuit. A first heat exchange medium is disposed within each of the multiple thermal management circuits, and a second heat exchange medium is disposed within the temperature control circuit. The temperature control circuit is used to transfer the second heat exchange medium after cooling or heating, and exchanges heat with the first heat exchange medium in the multiple thermal management circuits through the heat exchange device. The multiple thermal management circuits are respectively connected to the integrated module 110, and can be selectively connected through the integrated module 110. This configuration reduces the number of heat exchange media and heat transfer paths, thereby improving heat transfer efficiency. The use of the integrated module 110 reduces the number of valves, simplifying the overall structure of the vehicle thermal management system 100 and improving its compactness and integration.

[0049] This application provides a vehicle thermal management system 100. The vehicle thermal management system 100 of this application will be described in detail below with reference to the accompanying drawings. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0050] Figure 1 The diagram shown is a schematic diagram of one embodiment of the vehicle thermal management system 100 of this application.

[0051] exist Figure 1 In the illustrated embodiment, multiple thermal management circuits include: a motor cooling circuit and a motor heat storage circuit for thermal management of the motor 123; a battery cooling circuit for thermal management of the battery 160; and a passenger compartment thermal management circuit for thermal management of the passenger compartment. The integrated module 110 includes a first valve port 1, a second valve port 2, a third valve port 3, a fourth valve port 4, a fifth valve port 5, a sixth valve port 6, a seventh valve port 7, an eighth valve port 8, and a ninth valve port 9, which can be selectively connected to achieve interconnection of at least two of the motor cooling circuit, the motor heat storage circuit, the battery cooling circuit, and the passenger compartment thermal management circuit. By adjusting the opening and closing of the multiple valve ports of the integrated module 110, the motor cooling circuit, the motor heat storage circuit, the battery cooling circuit, and the passenger compartment thermal management circuit can be connected and disconnected, reducing the number of valves in the vehicle thermal management system 100 and simplifying the overall structure of the vehicle thermal management system 100. This facilitates heat recovery and reuse, reduces the energy efficiency of the temperature control circuit for cooling and / or heating, and improves the thermal management efficiency of the vehicle thermal management system 100.

[0052] exist Figure 1In the illustrated embodiment, the vehicle thermal management system 100 further includes a first valve device 124. The first valve device 124 includes a first connection terminal a and a second connection terminal b and a third connection terminal c, which are selectively connected to the first connection terminal a. The first connection terminal a is connected to a motor heat storage circuit, the second connection terminal b is connected to a motor heat dissipation circuit, and the third connection terminal c is connected to an integrated module 110. When the first connection terminal a and the second connection terminal b are connected, the motor heat storage circuit is connected to the integrated module 110. When the first connection terminal a and the third connection terminal c are connected, the motor heat dissipation circuit is connected to the integrated module 110. Depending on the vehicle's thermal management status, switching the connection between the first connection terminal a and the third connection terminal c, and between the first connection terminal a and the second connection terminal b of the first valve device 124, switches the motor heat storage circuit and the motor heat dissipation circuit. This helps reduce the number of pipes in the vehicle thermal management system 100, simplifies the overall structure of the vehicle thermal management system 100, and improves the compactness and integration of the vehicle thermal management system 100.

[0053] exist Figure 1 In the illustrated embodiment, the first valve port 1 of the integrated module 110 can be selectively connected to the second valve port 2. The vehicle thermal management system 100 also includes a first unidirectional pump 121, a controller 122, and a motor 123 connected in sequence. The controller 122 is preferably a multi-functional controller 122, integrating functions such as a compressor 171, a temperature sensor, and flow regulation. It can simultaneously detect parameters such as the temperature and pressure of the first heat exchange medium in the motor heat storage circuit, thereby adjusting the heat exchange efficiency of the motor 123. The motor heat storage circuit is directly connected to the motor 123, and through immersion cooling, the traditional cold plate design is eliminated, further improving heat exchange efficiency. The first unidirectional pump 121 is connected to the first valve port 1, and the conduction direction of the first unidirectional pump 121 is from the first valve port 1 to the controller 122. The motor 123 is connected to the first connection terminal a. The third connection terminal c is connected to the second valve port 2. When the first connection end a and the third connection end c are connected, and the second valve port 2 and the first valve port 1 are connected, the first one-way pump 121, the controller 122 and the motor 123 are connected through the integrated module 110 to form a motor heat storage circuit. At this time, the first heat exchange medium in the motor heat storage circuit is heated by the heat exchange device or the controller 122, and then exchanges heat with the motor 123 when it passes through the motor 123, causing the temperature of the motor 123 to rise, thereby realizing the heat storage of the motor 123.

[0054] exist Figure 1In the illustrated embodiment, the first valve port 1 of the integrated module 110 can be selectively connected to the third valve port 3. The vehicle thermal management system 100 also includes a motor cooling device 130. The motor cooling device 130 is used to introduce a cooled first heat exchange medium and further dissipate heat from the motor 123. A first one-way pump 121, a controller 122, and a motor 123 are connected in sequence. The first one-way pump 121 is connected to the first valve port 1. The conduction direction of the first one-way pump 121 is from the first valve port 1 to the controller 122. The motor 123 is connected to a first connection terminal a. One end of the motor cooling device 130 is connected to the third valve port 3, and the other end is connected to a second connection terminal b. When the first connection end a and the second connection end b are connected, and the third valve port 3 and the first valve port 1 are connected, the first one-way pump 121, the controller 122, the motor 123 and the motor heat dissipation device 130 are connected through the integrated module 110 to form a motor heat dissipation circuit. At this time, the first heat exchange medium in the motor heat dissipation circuit is cooled by the heat exchange device or the controller 122, and then exchanges heat with the motor 123 when it passes through the motor 123. Furthermore, it further exchanges heat with the motor 123 through the motor heat dissipation device 130, so that the temperature of the motor 123 drops, thereby achieving heat dissipation of the motor 123.

[0055] exist Figure 1 In the illustrated embodiment, the motor cooling device 130 includes an air intake device 131, a motor radiator body 132, and a fan 133. The air intake device 131 and the fan 133 are respectively disposed on both sides of the motor radiator body 132. One end of the motor radiator body 132 is connected to the third valve port 3, and the other end is connected to the second connection end b. When the first connection end a and the second connection end b are connected, and the third valve port 3 and the first valve port 1 are connected, the first heat exchange medium in the motor cooling circuit is cooled by the heat exchange device or the controller 122, and then passes through the motor 123 and the motor radiator body 132 in sequence. The air intake device is used to introduce airflow from the outside, which is cooled by the motor radiator body 132, and then blown by the fan 133 towards the motor 123, thereby reducing the temperature of the motor 123 and achieving heat dissipation of the motor 123.

[0056] exist Figure 1 In the illustrated embodiment, the passenger compartment thermal management circuit includes a first passenger compartment thermal management circuit and a second passenger compartment thermal management circuit. One side of both the first and second passenger compartment thermal management circuits is connected to the integrated module 110, and the other side is connected to a heat exchange device. When cooling or heating of the passenger compartment is required, the integrated module 110 connects to one or both of the first and second passenger compartment thermal management circuits to adjust the cooling or heating effect and power of the passenger compartment.

[0057] exist Figure 1In the illustrated embodiment, the vehicle thermal management system 100 further includes a second one-way pump 141 and a first passenger compartment thermal management device 142. The fourth valve port 4 of the integrated module 110 is connected to the second one-way pump 141, and the first passenger compartment thermal management device 142 is connected to the fifth valve port 5. A heat exchange device is connected between the second one-way pump 141 and the first passenger compartment thermal management device 142. The conduction direction of the second one-way pump 141 is from the fourth valve port 4 to the heat exchange device. When the fourth valve port 4 and the fifth valve port 5 are connected, the second one-way pump 141, the heat exchange device, and the first passenger compartment thermal management device 142 are connected through the integrated module 110 to form a first passenger compartment thermal management loop. The heat exchange device is a condenser, and the first passenger compartment thermal management device 142 is a heater core. Through the above arrangement, warm air is introduced into the passenger compartment, thereby heating the passenger compartment.

[0058] exist Figure 1 In the illustrated embodiment, the vehicle thermal management system 100 further includes a third one-way pump 151 and a second passenger compartment thermal management device 152. The sixth valve port 6 of the integrated module 110 is connected to the third one-way pump 151. The third one-way pump 151 is connected to the second passenger compartment thermal management device 152. A heat exchange device is connected between the second passenger compartment thermal management device 152 and the seventh valve port 7 of the integrated module 110. The conduction direction of the third one-way pump 151 is from the sixth valve port 6 to the second passenger compartment thermal management device 152. The sixth valve port 6 and the seventh valve port 7 are connected, and the third one-way pump 151, the second passenger compartment thermal management device 152, and the heat exchange device are connected through the integrated module 110 to form a second passenger compartment thermal management loop. The heat exchange device is a plate heat exchanger, and the second passenger compartment thermal management device 152 is a heat exchanger. The above arrangement cools the passenger compartment.

[0059] exist Figure 1 In the illustrated embodiment, the heat exchange device includes a first heat exchanger 174 and a second heat exchanger 177. The first heat exchanger 174 is connected to the first crew compartment thermal management circuit, and the second heat exchanger 177 is connected to the second crew compartment thermal management circuit and the battery heat dissipation circuit. Specifically, the fourth valve port 4 is connected to the fifth valve port 5, and the second one-way pump 141, the first heat exchanger 174, and the first crew compartment thermal management device 142 are connected through the integrated module 110 to form the first crew compartment thermal management circuit. The first heat exchanger 174 is a condenser. The sixth valve port 6 is connected to the seventh valve port 7, and the third one-way pump 151, the second crew compartment thermal management device 152, and the second heat exchanger 177 are connected through the integrated module 110 to form the second crew compartment thermal management circuit. The second heat exchanger 177 is a plate heat exchanger. The sixth valve port 6 is connected to the seventh valve port 7. The third one-way pump 151, the second crew compartment thermal management device 152, the second heat exchanger 177 and the battery 160 are connected through the integrated module 110. The second crew compartment thermal management circuit and the battery heat dissipation circuit are connected in series.

[0060] exist Figure 1 In the illustrated embodiment, the second crew compartment thermal management circuit is equipped with a second valve device 154. The second valve device 154 includes a fourth connection terminal d that is connected to the first connection terminal, and a fifth connection terminal e and a sixth connection terminal f that are selectively connected to the fourth connection terminal d. The fourth connection terminal d is connected to the second heat exchanger 177, the fifth connection terminal e is connected to the integrated module 110, and the sixth connection terminal f is connected to the battery cooling circuit. When the fourth connection terminal d and the sixth connection terminal f are connected, the first crew compartment thermal management circuit, the motor cooling circuit, the second crew compartment thermal management circuit, and the battery cooling circuit are connected through the integrated module 110; when the fourth connection terminal d and the fifth connection terminal e are connected, the first crew compartment thermal management circuit, the motor cooling circuit, and the second crew compartment thermal management circuit are connected through the integrated module 110. Specifically, when the fourth connection end d and the fifth connection end e are connected, the fifth valve port 5 is connected to the third valve port 3, and the second one-way pump 141, the first heat exchanger 174, the second crew compartment thermal management device 152, and the motor cooling device 130 are connected to realize the connection between the first crew compartment thermal management circuit and the motor cooling circuit. When the fourth connection end d and the sixth connection end f are connected, the sixth valve port 6 is connected to the seventh valve port 7, and the third one-way pump 151, the second crew compartment thermal management device 152, and the second heat exchanger 177 are connected through the integrated module 110 to form the second crew compartment thermal management circuit.

[0061] exist Figure 1 In the illustrated embodiment, the second crew compartment thermal management loop is further provided with a third valve device 153. The third valve device 153 includes a seventh connection terminal g and an eighth connection terminal h that are connected together, and a ninth connection terminal i that is selectively connected to the eighth connection terminal h. The seventh connection terminal g is connected to the second heat exchanger 177, the eighth connection terminal h is connected to the fourth connection terminal d, and the ninth connection terminal i is connected to the integrated module 110. Specifically, the ninth connection terminal i is connected to the ninth valve port 9 of the integrated module 110. When the fourth connection terminal d and the sixth connection terminal f are connected, and the eighth connection terminal h and the ninth connection terminal i are connected, the motor cooling loop and the battery cooling loop are connected through the integrated module 110. Specifically, the third valve port 3 is connected to the ninth valve port 9, and the first one-way pump 121, the controller 122, the motor 123, the motor cooling device 130, and the battery 160 are connected, with the motor cooling loop and the battery cooling loop connected in series.

[0062] exist Figure 1 In the illustrated embodiment, a compressor 171 and a gas-liquid separator 179 connected to the compressor 171 are also included. The compressor 171 is used to refrigerate or cool the second heat exchange medium. The gas-liquid separator 179 separates the gas and liquid, thereby protecting the compressor 171. One end of the heat exchange device is connected to the compressor 171, and the other end is connected to the gas-liquid separator 179 to form a temperature control circuit.

[0063] exist Figure 1In the illustrated embodiment, the temperature control circuit includes a main circuit and a bypass circuit. The heat exchanger, compressor 171, and gas-liquid separator 179 are all located in the main circuit. The bypass circuit includes a first end and a second end; the first end connects the compressor 171 to the heat exchanger, and the second end connects the heat exchanger to the gas-liquid separator 179. By setting up the bypass circuit, the temperature of the second heat exchange medium returning to the gas-liquid separator 179 after passing through the heat exchanger is adjusted, thereby reducing the load on the compressor 171, improving the compressor 171's operating efficiency, and thus improving the compressor 171's cooling or heating capacity, which is beneficial to the working effect of the vehicle thermal management system 100.

[0064] exist Figure 1 In the illustrated embodiment, the vehicle thermal management system 100 further includes a first flow regulating device 173 and a second flow regulating device 178. The first flow regulating device 173 is disposed in the main circuit, and the second flow regulating device 178 is disposed in the bypass circuit. The first flow regulating device 173 is used to regulate the flow rate of the second heat exchange medium in the main circuit, and the second flow regulating device 178 is used to regulate the flow rate of the second heat exchange medium in the bypass circuit. Specifically, both the first flow regulating device 173 and the second flow regulating device 178 are electronic expansion valves. This controls the ratio of the second heat exchange medium in the main circuit and the bypass circuit, regulates the temperature of the second heat exchange medium returning to the gas-liquid separator 179 after passing through the heat exchange device, thereby reducing the load on the compressor 171, improving the working efficiency of the compressor 171, and improving the cooling or heating capacity of the compressor 171.

[0065] In a preferred embodiment, a third flow regulating device is further provided between the first heat exchanger 174 and the second heat exchanger 177 to regulate the flow rate of the second heat exchange medium passing through the first heat exchanger 174 and entering the second heat exchanger 177, thereby regulating the heat exchange efficiency of the second heat exchanger 177.

[0066] exist Figure 1 In the illustrated embodiment, the vehicle thermal management system 100 further includes a detection device disposed in the temperature control circuit for detecting at least one of the temperature and pressure of the second heat exchange medium flowing through the temperature control circuit. This arrangement facilitates precise adjustment of the flow rate of the second heat exchange medium in the main circuit and bypass circuit of the temperature control circuit, thereby improving the working efficiency of the compressor 171 and the overall performance of the vehicle thermal management system 100.

[0067] exist Figure 1In the illustrated embodiment, the first heat exchanger 174 is connected to the compressor 171, and the second heat exchanger 177 is connected to the gas-liquid separator 179. The detection device includes a first sensor 172 and a second sensor 175. The first sensor 172 is disposed between the first heat exchanger 174 and the second heat exchanger 177, and the second sensor 175 is disposed between the first heat exchanger 174 and the second heat exchanger 177. The first sensor 172 is used to detect the temperature and / or pressure of the second heat exchange medium after it has passed through the compressor 171 for cooling or heating; the second sensor 175 is used to detect the temperature and pressure of the second heat exchange medium after it has passed through the first heat exchanger 174 and before it enters the second heat exchanger 177. Through the above configuration, the compressor 171 is monitored to ensure it is in normal operating condition, and the temperature and / or pressure of the second heat exchange medium after it has passed through the first heat exchanger 174 and before it enters the second heat exchanger 177 are detected, thereby determining whether the first heat exchanger 174 and the second heat exchanger 177 are in operating condition.

[0068] Figure 2 The diagram shows the heat dissipation flow of the motor 123 in the vehicle thermal management system 100 of this application. The first connection end a and the second connection end b of the first valve device 124 are connected, the first valve port 1 and the third valve port 3 are connected, and the first one-way pump 121, the controller 122, the motor 123 and the motor cooling device 130 are connected to form a motor cooling circuit.

[0069] Figure 3 The diagram shows the heat flow direction of the motor 123 in the vehicle thermal management system 100 of this application. The first connection end a and the third connection end c of the first valve device 124 are connected, the first valve port 1 and the second valve port 2 are connected, and the first one-way pump 121, the controller 122 and the motor 123 are connected to form a motor heat dissipation circuit.

[0070] Figure 4 The diagram shows the flow direction of waste heat recovery from the motor 123 in the vehicle thermal management system 100 of this application. The fifth valve port 5 of the integrated module 110 is connected to the first valve port 1. The second one-way pump 141, the first heat exchanger 174, the first passenger compartment thermal management device 142, the first one-way valve, the controller 122, the motor 123, and the motor cooling device 130 are connected in sequence, and the motor cooling circuit and the first passenger compartment thermal management circuit are connected. The second valve port 2 is connected to the ninth valve port 9, and the motor cooling circuit and the battery cooling circuit are connected. The sixth valve port 6 is connected to the seventh valve port 7, and the third one-way pump 151, the second passenger compartment thermal management device 152, and the second heat exchanger 177 are connected. The first heat exchange medium absorbs heat from the motor 123 and the battery 160 in the motor cooling circuit and the battery cooling circuit, and uses this heat to heat the passenger compartment, thereby reducing the load on the vehicle thermal management system 100 and realizing the recycling of heat.

[0071] Figure 5 The diagram shows the flow of heat exchange in the passenger compartment of the vehicle thermal management system 100 of this application. The compressor 171, the first heat exchanger 174, and the gas-liquid separator 179 are sequentially connected to form a temperature control circuit. The fourth valve port 4 is connected to the fifth valve port 5, and the second one-way pump 141, the first heat exchanger 174, and the first passenger compartment thermal management device 142 are connected to form a first passenger compartment management circuit. The compressor 171 heats the second heat exchange medium, and the heat is exchanged with the first passenger compartment management circuit through the first heat exchanger 174, thus heating the passenger compartment.

[0072] Figure 6 The diagram shows the flow of cooling in the passenger compartment of the vehicle thermal management system 100 of this application. Compressor 171, first heat exchanger 174, second heat exchanger 177, and gas-liquid separator 179 are sequentially connected to form a temperature control circuit. Second valve port 2 is connected to fifth valve port 5, and second one-way pump 141, first heat exchanger 174, first passenger compartment thermal management device 142, and motor cooling device 130 are connected. Sixth valve port 6 and seventh valve port 7 are connected, and the fourth connection end d and fifth connection end e of second valve device 154 are connected. Third one-way pump 151, second passenger compartment thermal management device 152, and second heat exchanger 177 are connected to form a second passenger compartment thermal management circuit. The compressor 171 cools the second heat exchange medium, and the first heat exchanger 174 and second heat exchanger 177 exchange heat with the first and second passenger compartment management circuits respectively, thereby cooling the passenger compartment and using the cooled first heat exchange medium to dissipate heat from the motor 123.

[0073] Figure 7 The diagram shows the flow of the vehicle thermal management system 100 of this application, which simultaneously cools the battery 160 and the passenger compartment. The compressor 171, the first heat exchanger 174, the second heat exchanger 177, and the gas-liquid separator 179 are sequentially connected to form a temperature control circuit. The second valve port 2 is connected to the fifth valve port 5, and the second one-way pump 141, the first heat exchanger 174, the first passenger compartment thermal management device 142, and the motor cooling device 130 are connected to form a first passenger compartment management circuit. The sixth valve port 6 and the eighth valve port 8 are connected, and the fourth connection terminal d and the sixth connection terminal f of the second valve device 154 are connected. The third one-way pump 151, the second passenger compartment thermal management device 152, the second heat exchanger 177, and the battery 160 are connected to form a second passenger compartment thermal management circuit. The compressor 171 cools the second heat exchange medium, and the first heat exchanger 174 and the second heat exchanger 177 exchange heat with the first crew cabin management circuit and the second crew cabin management circuit respectively, thereby cooling the crew cabin and using the cooled first heat exchange medium to dissipate heat from the motor 123 and the battery 160.

[0074] The vehicle thermal management system 100 of this application adopts a unidirectional pump configuration, which simplifies the vehicle thermal management system 100. It reduces the number of valves and pipes, improves the system's compactness and integration, lowers manufacturing costs and weight, and also reduces maintenance workload; it shortens the heat transfer path and improves heat exchange efficiency; thereby reducing energy consumption.

[0075] This application also provides a vehicle, which includes a vehicle thermal management system 100.

[0076] By implementing the above settings, the amount of heat exchange medium and the heat transfer path are reduced, thereby improving the efficiency of heat transfer and reducing the overall energy consumption of the vehicle. By setting up integrated modules to reduce the number of valves, the overall structure of the vehicle thermal management system is simplified, which helps to improve the compactness and integration of the vehicle thermal management system and facilitates its installation inside the vehicle.

[0077] It should be noted that the technical solutions or features described in the above embodiments can be combined or supplemented with each other without conflict. The scope of protection of this application is not limited to the precise structures described in the above embodiments and shown in the accompanying drawings; all modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of protection of this application.

Claims

1. A vehicle thermal management system, characterized in that, include: Temperature control loop, integrated module, heat exchanger, and multiple thermal management loops; The plurality of thermal management loops are respectively connected to the integrated module, and the plurality of thermal management loops can be selectively connected through the integrated module; one side of the heat exchange device is connected to the temperature control loop, and the other side is connected to at least one of the thermal management loops; A first heat exchange medium is provided in each of the plurality of thermal management circuits, and a second heat exchange medium is provided in the temperature control circuit; one side of the heat exchange device is connected to the temperature control circuit, and the other side is connected to at least one of the plurality of thermal management circuits. The temperature control circuit is used to transfer the second heat exchange medium that has been cooled or heated, and to exchange heat with the first heat exchange medium in the plurality of thermal management circuits through the heat exchange device. The plurality of thermal management loops include a passenger compartment thermal management loop for thermal management of the passenger compartment; the passenger compartment thermal management loop includes a first passenger compartment thermal management loop, one side of which is connected to the integrated module and the other side of which is connected to the heat exchange device. The vehicle thermal management system further includes a second one-way pump and a first passenger compartment thermal management device. The integrated module includes a fourth valve port and a fifth valve port. The fourth valve port is connected to the second one-way pump, and the first passenger compartment thermal management device is connected to the fifth valve port. A heat exchange device is connected between the second one-way pump and the first passenger compartment thermal management device. The conduction direction of the second one-way pump is from the fourth valve port to the heat exchange device. The fourth valve port is connected to the fifth valve port, and the second unidirectional pump, the heat exchange device, and the first crew cabin thermal management device are connected through the integrated module to form the first crew cabin thermal management loop.

2. The vehicle thermal management system according to claim 1, characterized in that, The plurality of thermal management circuits include a motor heat storage circuit and a motor heat dissipation circuit for thermal management of the motor. The vehicle thermal management system further includes a first valve device, which includes a first connecting end and a second connecting end and a third connecting end that are selectively connected to the first connecting end. The first connecting end is connected to the motor heat storage circuit, the second connecting end is connected to the motor heat dissipation circuit, and the third connecting end is connected to the integrated module. When the first connection terminal and the second connection terminal are connected, the motor heat storage circuit is connected to the integrated module; when the first connection terminal and the third connection terminal are connected, the motor heat dissipation circuit is connected to the integrated module.

3. The vehicle thermal management system according to claim 2, characterized in that, The integrated module includes a first valve port and a second valve port that can be selectively connected to the first valve port. The vehicle thermal management system also includes a first one-way pump, a controller, and a motor connected in sequence. The first one-way pump is connected to the first valve port, and the conduction direction of the first one-way pump is from the first valve port to the controller. The motor is connected to the first connection end, and the third connection end is connected to the second valve port. When the first connection end and the third connection end are connected, and the second valve port and the first valve port are connected, the first unidirectional pump, the controller and the motor are connected through the integrated module to form the motor heat storage circuit.

4. The vehicle thermal management system according to claim 2, characterized in that, The integrated module includes a first valve port and a third valve port selectively connected to the first valve port. The vehicle thermal management system further includes a first one-way pump, a controller, a motor, and a motor cooling device. The first one-way pump, the controller, and the motor are connected in sequence. The first one-way pump is connected to the first valve port, and the conduction direction of the first one-way pump is from the first valve port to the controller. The motor is connected to the first connection end. One end of the motor cooling device is connected to the third valve port, and the other end is connected to the second connection end. When the first connection end and the second connection end are connected, and the third valve port and the first valve port are connected, the first one-way pump, the controller, the motor and the motor heat dissipation device are connected through the integrated module to form the motor heat dissipation circuit.

5. The vehicle thermal management system according to claim 4, characterized in that, The motor cooling device includes an air intake device, a motor radiator body, and a fan. The air intake device and the fan are respectively disposed on both sides of the motor radiator body. One end of the motor radiator body is connected to the third valve port, and the other end is connected to the second connection end.

6. The vehicle thermal management system according to claim 2, characterized in that, The plurality of thermal management circuits include: a battery heat dissipation circuit for thermal management of the battery and a passenger compartment thermal management circuit for thermal management of the passenger compartment. One side of the heat exchange device is connected to the temperature control circuit, and the other side is connected to at least one of the battery heat dissipation circuit and the crew cabin thermal management circuit.

7. The vehicle thermal management system according to claim 6, characterized in that, The plurality of thermal management loops include a crew compartment thermal management loop for thermal management of the crew compartment; The crew cabin thermal management circuit includes a second crew cabin thermal management circuit; one side of the second crew cabin thermal management circuit is connected to the integrated module, and the other side is connected to the heat exchange device.

8. The vehicle thermal management system according to claim 7, characterized in that, The vehicle thermal management system further includes a third one-way pump and a second passenger compartment thermal management device. The integrated module includes a sixth valve port and a seventh valve port. The sixth valve port is connected to the third one-way pump, and the third one-way pump is connected to the second passenger compartment thermal management device. The heat exchange device is connected between the second passenger compartment thermal management device and the seventh valve port. The conduction direction of the third one-way pump is from the sixth valve port to the second passenger compartment thermal management device. The sixth valve port is connected to the seventh valve port, and the third unidirectional pump, the second crew cabin thermal management device, and the heat exchange device are connected through the integrated module to form the second crew cabin thermal management loop.

9. The vehicle thermal management system according to claim 7, characterized in that, The heat exchange device includes a first heat exchanger and a second heat exchanger. The first heat exchanger is connected to the first crew cabin thermal management circuit, and the second heat exchanger is connected to the second crew cabin thermal management circuit and the battery heat dissipation circuit.

10. The vehicle thermal management system according to claim 9, characterized in that, The second crew compartment thermal management circuit is equipped with a second valve device, which includes a fourth connection terminal that is connected to the second heat exchanger and a fifth connection terminal and a sixth connection terminal that are selectively connected to the fourth connection terminal. The fourth connection terminal is connected to the second heat exchanger, the fifth connection terminal is connected to the integrated module, and the sixth connection terminal is connected to the battery heat dissipation circuit. When the fourth connection terminal and the sixth connection terminal are connected, the first passenger compartment thermal management circuit, the motor cooling circuit, the second passenger compartment thermal management circuit, and the battery cooling circuit are connected through the integrated module; when the fourth connection terminal and the fifth connection terminal are connected, the first passenger compartment thermal management circuit, the motor cooling circuit, and the second passenger compartment thermal management circuit are connected through the integrated module.

11. The vehicle thermal management system according to claim 10, characterized in that, The second crew compartment thermal management circuit is also provided with a third valve device, which includes a seventh connection end and an eighth connection end that are connected to each other, and a ninth connection end that can be selectively connected to the eighth connection end. The seventh connection end is connected to the second heat exchanger, the eighth connection end is connected to the fourth connection end, and the ninth connection end is connected to the integrated module. When the fourth connection terminal and the sixth connection terminal are connected, and the eighth connection terminal and the ninth connection terminal are connected, the motor heat dissipation circuit and the battery heat dissipation circuit are connected through the integrated module.

12. The vehicle thermal management system according to claim 1, characterized in that, It also includes a compressor and a gas-liquid separator connected to the compressor. One end of the heat exchange device is connected to the compressor and the other end is connected to the gas-liquid separator to form the temperature control circuit.

13. The vehicle thermal management system according to claim 12, characterized in that, The temperature control circuit includes a main circuit and a bypass circuit. The heat exchange device, the compressor, and the gas-liquid separator are all located in the main circuit. The bypass circuit includes a first end and a second end. The first end is connected between the compressor and the heat exchange device, and the second end is connected between the heat exchange device and the gas-liquid separator.

14. The vehicle thermal management system according to claim 13, characterized in that, It also includes a first flow regulating device and a second flow regulating device, wherein the first flow regulating device is disposed in the main circuit and the second flow regulating device is disposed in the bypass circuit.

15. The vehicle thermal management system according to claim 13, characterized in that, It also includes a detection device installed in the temperature control circuit for detecting at least one of the temperature and pressure of the heat exchange medium flowing through the temperature control circuit.

16. The vehicle thermal management system according to claim 15, characterized in that, The heat exchange device includes a first heat exchanger and a second heat exchanger connected to the first heat exchanger. The first heat exchanger is connected to the compressor, and the second heat exchanger is connected to the gas-liquid separator. The vehicle thermal management system further includes a detection device disposed in the temperature control circuit for detecting at least one of the temperature and pressure of the heat exchange medium flowing through the temperature control circuit. The detection device includes a first sensor and a second sensor, wherein the first sensor is disposed between the first heat exchanger and the second heat exchanger, and the second sensor is disposed between the first heat exchanger and the second heat exchanger.

17. A vehicle, characterized in that, The vehicle includes a vehicle thermal management system as described in any one of claims 1-16.

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