Vehicle thermal management system and vehicle

Abstract

The invention provides a vehicle thermal management system and a vehicle. The vehicle thermal management system comprises a temperature adjusting loop, an integrated module, a heat exchange device and a plurality of thermal management loops. Wherein the plurality of heat management loops are respectively connected with the integration module, and the plurality of heat management loops can be selectively communicated through the integration module; one side of the heat exchange device is connected with the temperature adjusting loop, and the other side is connected with at least one heat management loop. The temperature adjusting loop is used for transferring the cooled or heated heat exchange medium and exchanges heat with at least one of the multiple heat management loops through the heat exchange device. Through the arrangement, the number of heat exchange media is reduced, heat transfer paths are reduced, and therefore the heat transfer efficiency is improved; by arranging the integrated module, the number of valves is reduced, the overall structure of the vehicle thermal management system is simplified, and the compactness and the integration degree of the vehicle thermal management system are improved.

Description

Technical Field

[0001] The present application relates to the field of vehicle thermal management, and in particular to a vehicle thermal management system and a vehicle. Background Art

[0002] With the growing market demand for new energy vehicles, a major challenge it faces is the significant drop in cruising range when driving in extreme temperature environments, of which the energy consumption of the thermal management system accounts for a large part. In the prior art, most of the electric drive systems still use water cooling systems; for the cooling inside the motor, oil cooling technology is used. In this way, the heat of the motor is first transferred through oil cooling technology, and then the heat is absorbed and transferred to the coolant through a water-cooled oil cooler. Finally, the coolant transfers the heat to the air, thereby achieving an effective cooling effect. The above-mentioned vehicle thermal management system involves a system of three cooling media: water, oil and coolant, resulting in a large number of valves and pipelines, and a long heat transfer path. The heat exchange efficiency is low. Summary of the invention

[0003] The present application provides a vehicle thermal management system and a vehicle that reduces the number of valve components and reduces the heat transfer path.

[0004] In a first aspect, the present application provides a vehicle thermal management system, comprising: a temperature control circuit, an integrated module, a heat exchange device, and a plurality of thermal management circuits;

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

[0006] A first heat exchange medium is arranged in the plurality of thermal management circuits, and a second heat exchange medium is arranged in the temperature regulating circuit; one side of the heat exchange device is connected to the temperature regulating 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 perform heat exchange with the first heat exchange medium in the plurality of heat management circuits through the heat exchange device.

[0008] In the present application, multiple thermal management circuits are respectively connected to the integrated module, and the multiple thermal management circuits can be selectively connected through the integrated module. A first heat exchange medium is provided in the multiple thermal management circuits, and a second heat exchange medium is provided in the temperature control circuit. The temperature control circuit is used to transfer the second heat exchange medium that has been cooled or heated, and to perform heat exchange with the first heat exchange medium in the multiple thermal management circuits through a heat exchange device. Through the above-mentioned arrangement, the number of heat exchange media is reduced, the heat transfer path is reduced, and thus the efficiency of heat transfer is improved; by setting an integrated module to reduce the number of valves, it is beneficial to simplify the overall structure of the vehicle thermal management system, and to improve the compactness and integration of the vehicle thermal management system.

[0009] Optionally, the multiple 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 includes a first connection end and a second connection end and a third connection end that can be selectively communicated with the first connection end, the first connection end is connected to the motor heat storage circuit, the second connection end is connected to the motor heat dissipation circuit, and the third connection end is connected to the integrated module;

[0010] When the first connection end is connected to the second connection end, the motor heat storage circuit is connected to the integrated module; when the first connection end is connected to the third connection end, 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 connectable 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, 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 is connected to the third connection end, and the second valve port is connected to the first valve port, the first one-way 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 connectable to the first valve port, and the vehicle thermal management system also includes a first one-way pump, a controller, a motor, and a motor heat dissipation 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, the conduction direction of the first one-way pump is from the first valve port to the controller, and the motor is connected to the first connection end; one end of the motor heat dissipation 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 is connected to the second connection end, and the third valve port is connected to the first valve port, 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 heat dissipation device includes an air intake device, a motor radiator body and a fan, the air intake device and the fan are respectively arranged 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 connecting end.

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

[0018] Optionally, 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 the first passenger compartment thermal management circuit and the second passenger compartment thermal management circuit are both connected to the integrated module, and the other side are both 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, the first passenger compartment thermal management device is connected to the fifth valve port, and 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] Among them, the fourth valve port is connected to the fifth valve port, and the second one-way pump, the heat exchange device and the first passenger compartment thermal management device are connected through the integrated module to form the first passenger compartment thermal management circuit.

[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, the third one-way pump is connected to the second passenger compartment thermal management device, and 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] Among them, the sixth valve port is connected to the seventh valve port, and the third one-way pump, the second passenger compartment thermal management device and the heat exchange device are connected through the integrated module to form the second passenger compartment thermal management circuit.

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

[0024] Optionally, the second passenger compartment thermal management circuit is provided with a second valve device, the second valve device comprises a fourth connecting end connected to each other and a fifth connecting end and a sixth connecting end selectively connected to the fourth connecting end; the fourth connecting end is connected to the second heat exchanger, the fifth connecting end is connected to the integrated module, and the sixth connecting end is connected to the battery cooling circuit;

[0025] When the fourth connection end and the sixth connection end 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 end and the fifth connection end 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 passenger compartment thermal management circuit is further provided with a third valve device, the third valve device comprising 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;

[0027] When the fourth connection end is connected to the sixth connection end, and the eighth connection end is connected to the ninth connection end, 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, 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.

[0029] Optionally, the temperature control circuit includes a main circuit and a bypass circuit, and the heat exchange device, the compressor and the gas-liquid separator are all arranged 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.

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

[0031] Optionally, the method 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.

[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 is connected to the compressor, and the second heat exchanger is connected to the gas-liquid separator;

[0033] The vehicle thermal management system also includes a detection device arranged in the temperature control circuit, which is used to detect 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. The first sensor is arranged between the first heat exchanger and the second heat exchanger, and the second sensor is arranged between the first heat exchanger and the second heat exchanger.

[0034] In a second aspect, the present application also provides a vehicle, comprising the vehicle thermal management system described in the first aspect.

[0035] Through the above-mentioned settings, the amount of heat exchange medium is reduced, the heat transfer path is reduced, thereby improving the efficiency of heat transfer, thereby reducing the overall energy consumption of the vehicle; by setting up an integrated module to reduce the number of valves, it is beneficial to simplify the overall structure of the vehicle thermal management system, which is beneficial to improving the compactness and integration of the vehicle thermal management system and facilitating the setting of the vehicle thermal management system inside the vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0037] Figure 1 Shown is a schematic diagram of an embodiment of a vehicle thermal management system of the present application.

[0038] Figure 2 Shown is a schematic diagram of the flow direction of motor heat dissipation in the vehicle thermal management system of the present application.

[0039] Figure 3 Shown is a schematic diagram of the flow of heat storage in the motor of the vehicle thermal management system of the present application.

[0040] Figure 4 Shown is a flow diagram of motor waste heat recovery in the vehicle thermal management system of the present application.

[0041] Figure 5Shown is a schematic diagram of the flow of heating the passenger compartment of the vehicle thermal management system of the present application.

[0042] Figure 6 Shown is a schematic diagram of the flow direction of the passenger compartment cooling of the vehicle thermal management system of the present application.

[0043] Figure 7 Shown is a flow diagram of the vehicle thermal management system of the present application for cooling both the battery and the passenger compartment simultaneously.

[0044] Description of reference numerals:

[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 heat dissipation 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; a third one-way pump 151; a second passenger compartment thermal management device 152; a third valve device 153; a seventh connection terminal g; an eighth connection terminal h; a ninth connection terminal i; a second valve device 154; a fourth connection terminal d; a fifth connection terminal e; a sixth connection terminal f; a battery 160; a compressor 171; a first sensor 172; a first flow regulating device 173; a first heat exchanger 174; a second sensor 175; a third flow regulating device 176; a second heat exchanger 177; a second flow regulating device 178; a gas-liquid separator 179. DETAILED DESCRIPTION

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

[0047] If there are terms involving directional indications or positional relationships in the embodiments of the present application (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 relationship, movement, etc. between the components under a certain specific posture (as shown in the accompanying drawings); if the specific posture changes, the directional indication or positional relationship will also change accordingly. In addition, the terms "first", "second", etc. involved in the embodiments of the present application are only used for the purpose of convenience of description and cannot be understood as indicating or implying relative importance.

[0048] The present 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. Among them, multiple thermal management circuits are respectively connected to the integrated module 110, and multiple thermal management circuits 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 arranged in the multiple thermal management circuits, and a second heat exchange medium is arranged in the temperature control circuit. The temperature control circuit is used to transfer the second heat exchange medium that has been refrigerated or heated, and to perform heat exchange with the first heat exchange medium in the multiple thermal management circuits through the heat exchange device. Multiple thermal management circuits are respectively connected to the integrated module 110, and multiple thermal management circuits can be selectively connected through the integrated module 110. Through the above-mentioned settings, the number of heat exchange media is reduced, the heat transfer path is reduced, and the efficiency of heat transfer is improved; by setting the integrated module 110 to reduce the number of valves, it is beneficial to simplify the overall structure of the vehicle thermal management system 100, and it is beneficial to improve the compactness and integration of the vehicle thermal management system 100.

[0049] The present application provides a vehicle thermal management system 100. The vehicle thermal management system 100 of the present application is described in detail below in conjunction with the accompanying drawings. In the absence of conflict, the features of the following embodiments and implementations can be combined with each other.

[0050] Figure 1 FIG. 1 is a schematic diagram of an embodiment of a vehicle thermal management system 100 of the present application.

[0051] exist Figure 1 In the illustrated embodiment, the multiple thermal management circuits include: a motor heat dissipation circuit and a motor heat storage circuit for thermal management of the motor 123, a battery heat dissipation 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 mutual communication between at least two of the motor heat dissipation circuit, the motor heat storage circuit, the battery heat dissipation 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 heat dissipation circuit, the motor heat storage circuit, the battery heat dissipation circuit, and the passenger compartment thermal management circuit are connected and disconnected, which reduces the number of valves of the vehicle thermal management system 100 and simplifies the overall structure of the vehicle thermal management system 100. It is conducive to the recovery and reuse of heat, 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 end a and a second connection end b and a third connection end c that are selectively connected to the first connection end a. The first connection end a is connected to the motor heat storage circuit, the second connection end b is connected to the motor heat dissipation circuit, and the third connection end c is connected to the integrated module 110. When the first connection end a and the second connection end b are connected, the motor heat storage circuit is connected to the integrated module 110. When the first connection end a and the third connection end c are connected, the motor heat dissipation circuit is connected to the integrated module 110. Corresponding to the thermal management of the vehicle, by switching the first connection end a and the third connection end c of the first valve device 124 to be connected and the first connection end a and the second connection end b to be connected, the motor heat storage circuit and the motor heat dissipation circuit are switched, which is beneficial to reducing the number of pipelines of the vehicle thermal management system 100, simplifying the overall structure of the vehicle thermal management system 100, and improving 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 one-way pump 121, a controller 122, and a motor 123 connected in sequence. Among them, the controller 122 is preferably an all-in-one controller 122, which integrates functions such as a compressor 171, a temperature sensor, and a flow control, and 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 heat storage. The motor heat storage circuit is directly connected to the motor 123, and the traditional cold plate design is eliminated through immersion cooling, further improving the heat exchange efficiency. The first one-way pump 121 is connected to the first valve port 1, and 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 the first connection end a. The third connection end 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 exchanges heat with the motor 123 when passing through the motor 123, so that the temperature of the motor 123 rises, thereby realizing 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 heat dissipation device 130. The motor heat dissipation device 130 is used to pass the cooled first heat exchange medium and further dissipate the heat of the motor 123. The first one-way pump 121, the controller 122 and the 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 the first connection terminal a. One end of the motor heat dissipation device 130 is connected to the third valve port 3, and the other end is connected to the 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 cooling device 130 are connected through the integrated module 110 to form a motor cooling circuit. At this time, the first heat exchange medium in the motor cooling circuit is cooled by the heat exchange device or the controller 122, and exchanges heat with the motor 123 when passing through the motor 123, and further exchanges heat with the motor 123 through the motor cooling 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 heat dissipation 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 arranged 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 heat dissipation circuit passes through the motor 123 and the motor radiator body 132 in sequence after being cooled by the heat exchange device or the controller 122, and the air intake device is used to introduce airflow from the outside, cool the airflow through the motor radiator body 132, and blow air in the direction of the motor 123 through the fan 133, so that the temperature of the motor 123 drops, thereby 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 the first passenger compartment thermal management circuit and the second passenger compartment thermal management circuit are both connected to the integrated module 110, and the other side is connected to the heat exchange device. When the passenger compartment needs to be cooled or heated, one or both of the first passenger compartment thermal management circuit and the second passenger compartment thermal management circuit are connected through the integrated module 110 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. The 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 is connected to the fifth valve port 5, 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. Among them, the heat exchange device is a condenser, and the first passenger compartment thermal management device 142 is a warm air core. The above-mentioned arrangement allows warm air to be 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. The 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. Among them, 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 heat exchange device are connected through the integrated module 110 to form a second passenger compartment thermal management circuit. Among them, the heat exchange device is a plate heat exchanger, and the second passenger compartment thermal management device 152 is a heat exchanger. The passenger compartment is cooled by the above arrangement.

[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 passenger compartment thermal management circuit, and the second heat exchanger 177 is connected to the second passenger 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 passenger compartment thermal management device 142 are connected through the integrated module 110 to form the first passenger 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 passenger compartment thermal management device 152 and the second heat exchanger 177 are connected through the integrated module 110 to form the second passenger compartment thermal management circuit. Among them, 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 passenger compartment thermal management device 152, the second heat exchanger 177 and the battery 160 are connected through the integrated module 110, and the second passenger compartment thermal management circuit and the battery cooling circuit are connected in series.

[0060] exist Figure 1 In the illustrated embodiment, the second passenger compartment thermal management circuit is provided with a second valve device 154. The second valve device 154 includes a fourth connecting end d that is connected and a fifth connecting end e and a sixth connecting end f that are selectively connected to the fourth connecting end d. The fourth connecting end d is connected to the second heat exchanger 177, the fifth connecting end e is connected to the integrated module 110, and the sixth connecting end f is connected to the battery heat dissipation circuit. When the fourth connecting end d and the sixth connecting end f are connected, the first passenger compartment thermal management circuit, the motor heat dissipation circuit, the second passenger compartment thermal management circuit and the battery heat dissipation circuit are connected through the integrated module 110; when the fourth connecting end d and the fifth connecting end e are connected, the first passenger compartment thermal management circuit, the motor heat dissipation circuit and the second passenger compartment thermal management circuit are connected through the integrated module 110. Specifically, when the fourth connection end d is connected to the fifth connection end e, 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 passenger compartment thermal management device 152 and the motor heat dissipation device 130 are connected to realize the connection between the first passenger compartment thermal management circuit and the motor heat dissipation circuit. When the fourth connection end d is connected to the sixth connection end f, 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 through the integrated module 110 to form a second passenger compartment thermal management circuit.

[0061] exist Figure 1 In the illustrated embodiment, the second passenger compartment thermal management circuit is further provided with a third valve device 153, and the third valve device 153 includes a seventh connection end g and an eighth connection end h that are connected to each other, and a ninth connection end i that can be selectively connected to the eighth connection end h. The seventh connection end g is connected to the second heat exchanger 177, the eighth connection end h is connected to the fourth connection end d, and the ninth connection end i is connected to the integrated module 110. Specifically, the ninth connection end i is connected to the ninth valve port 9 of the integrated module 110. When the fourth connection end d is connected to the sixth connection end f, and the eighth connection end h is connected to the ninth connection end i, the motor heat dissipation circuit and the battery heat dissipation circuit are connected through the integrated module 110. Specifically, the third valve port 3 is connected to the ninth valve port 9, the first one-way pump 121, the controller 122, the motor 123, the motor heat dissipation device 130 and the battery 160 are connected, and the motor heat dissipation circuit and the battery heat dissipation circuit are 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 further included. The compressor 171 is used to refrigerate or cool the second heat exchange medium. The gas-liquid separator 179 separates gas and liquid from each other, 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 exchange device, the compressor 171 and the gas-liquid separator 179 are all arranged in the main circuit. The bypass circuit includes a first end and a second end, the first end is connected between the compressor 171 and the heat exchange device, and the second end is connected between the heat exchange device and the gas-liquid separator 179. By setting the bypass circuit, the temperature of the second heat exchange medium that returns to the gas-liquid separator 179 after passing through the heat exchange device is adjusted, thereby reducing the load of the compressor 171 and improving the working efficiency of the compressor 171, which is conducive to improving the cooling or heating capacity of the compressor 171 and 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, wherein 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 of the second heat exchange medium in the main circuit, and the second flow regulating device 178 is used to regulate the flow of the second heat exchange medium in the bypass circuit. Specifically, the first flow regulating device 173 and the second flow regulating device 178 are both electronic expansion valves. Thus, the ratio of the second heat exchange medium in the main circuit and the bypass circuit is controlled, and the temperature of the second heat exchange medium returning to the gas-liquid separator 179 after passing through the heat exchange device is adjusted, thereby reducing the load of the compressor 171, improving the working efficiency of the compressor 171, and facilitating the improvement of 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 for regulating the flow 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. The above arrangement is conducive to accurately adjusting the flow of the second heat exchange medium in the main circuit and the bypass circuit of the temperature control circuit, thereby facilitating the working efficiency of the compressor 171 and the working effect 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 arranged between the first heat exchanger 174 and the second heat exchanger 177, and the second sensor 175 is arranged 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 that 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 that has passed through the first heat exchanger 174 and will enter the second heat exchanger 177. Through the above arrangement, it is used to monitor whether the compressor 171 is in a normal working state, and to detect the temperature and / or pressure of the second heat exchange medium after passing through the first heat exchanger 174, and the temperature and / or pressure of the second heat exchange medium that has entered the second heat exchanger 177, so as to detect whether the first heat exchanger 174 and the second heat exchanger 177 are in a working state.

[0068] Figure 2 The figure shows a schematic diagram of the heat dissipation flow of the motor 123 of the vehicle thermal management system 100 of the present 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 heat dissipation device 130 are connected to form a motor heat dissipation circuit.

[0069] Figure 3 The figure shows a schematic diagram of the flow direction of heat storage of the motor 123 of the vehicle thermal management system 100 of the present 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 figure shows the flow direction of the waste heat recovery of the motor 123 of the vehicle thermal management system 100 of the present 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 heat dissipation device 130 are connected in sequence, and the motor heat dissipation circuit is connected to the first passenger compartment thermal management circuit. The second valve port 2 is connected to the ninth valve port 9, and the motor heat dissipation circuit is connected to the battery heat dissipation circuit. 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 the heat of the motor 123 and the battery 160 in the motor heat dissipation circuit and the battery heat dissipation circuit, and is used to heat the passenger compartment, thereby reducing the load of the vehicle thermal management system 100 and realizing the recycling of heat.

[0071] Figure 5 The flow diagram of the cabin heating of the vehicle thermal management system 100 of the present application is shown. The compressor 171, the first heat exchanger 174 of the heat exchange device and the gas-liquid separator 179 are connected in sequence 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 second heat exchange medium is heated by the compressor 171, and heat is exchanged with the first passenger compartment management circuit through the first heat exchanger 174 to achieve heating of the passenger compartment.

[0072] Figure 6 The flow diagram of the passenger compartment refrigeration of the vehicle thermal management system 100 of the present application is shown. The compressor 171, the first heat exchanger 174, the second heat exchanger 177 and the gas-liquid separator 179 are connected in sequence 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 heat dissipation device 130 are connected. The sixth valve port 6 is connected to the seventh valve port 7, the fourth connection end d of the second valve device 154 is connected to the fifth connection end e, and the third one-way pump 151, the second passenger compartment thermal management device 152 and the second heat exchanger 177 are connected to form a second passenger compartment thermal management circuit. The second heat exchange medium is cooled by the compressor 171, and heat is exchanged with the first passenger compartment management circuit and the second passenger compartment management circuit respectively by the first heat exchanger 174 and the second heat exchanger 177, so as to realize the refrigeration of the passenger compartment, and the motor 123 is dissipated by the cooled first heat exchange medium.

[0073] Figure 7 The figure shows a flow diagram of the vehicle thermal management system 100 of the present application for cooling the battery 160 and the passenger compartment at the same time. The compressor 171, the first heat exchanger 174, the second heat exchanger 177 and the gas-liquid separator 179 are connected in sequence to form a temperature control circuit. The second valve port 2 is connected to the fifth valve port 5, the second one-way pump 141, the first heat exchanger 174, the first passenger compartment thermal management device 142 and the motor heat dissipation device 130 are connected to form a first passenger compartment management circuit. The sixth valve port 6 is connected to the eighth valve port 8, the fourth connection end d of the second valve device 154 is connected to the sixth connection end f, 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 second heat exchange medium is cooled by the compressor 171, and heat is exchanged with the first passenger compartment management circuit and the second passenger compartment management circuit respectively through the first heat exchanger 174 and the second heat exchanger 177, so as to cool the passenger compartment, and use 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 the present application adopts a one-way pump setting, which simplifies the vehicle thermal management system 100, reduces the number of valves and pipelines, improves the compactness and integration of the system, reduces manufacturing costs and weight, and also reduces maintenance workload; shortens the heat transfer path, improves heat exchange efficiency, and thus reduces energy consumption.

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

[0076] Through the above-mentioned settings, the amount of heat exchange medium is reduced, the heat transfer path is reduced, thereby improving the efficiency of heat transfer, thereby reducing the overall energy consumption of the vehicle; by setting up an integrated module to reduce the number of valves, it is beneficial to simplify the overall structure of the vehicle thermal management system, which is beneficial to improving the compactness and integration of the vehicle thermal management system and facilitating the setting of the vehicle thermal management system inside the vehicle.

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

Claims

1. A vehicle thermal management system, characterized in that: include: Temperature control loops, integrated modules, heat exchange devices, and multiple thermal management loops; The plurality of thermal management circuits are respectively connected to the integrated module, and the plurality of thermal management circuits can be selectively connected through the integrated module; one side of the heat exchange device is connected to the temperature adjustment circuit, and the other side is connected to at least one of the thermal management circuits; A first heat exchange medium is arranged in the plurality of thermal management circuits, and a second heat exchange medium is arranged in the temperature regulating circuit; one side of the heat exchange device is connected to the temperature regulating 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 perform heat exchange with the first heat exchange medium in the plurality of heat management circuits through the heat exchange device.

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, the first valve device including a first connection end and a second connection end and a third connection end selectively connectable to the first connection end, the first connection end is connected to the motor heat storage circuit, the second connection end is connected to the motor heat dissipation circuit, and the third connection end is connected to the integrated module; When the first connection end is connected to the second connection end, the motor heat storage circuit is connected to the integrated module; when the first connection end is connected to the third connection end, 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 selectively connectable 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, 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 is connected to the third connection end, and the second valve port is connected to the first valve port, the first one-way 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 connectable to the first valve port, and the vehicle thermal management system also includes a first one-way pump, a controller, a motor, and a motor heat dissipation 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, the conduction direction of the first one-way pump is from the first valve port to the controller, and the motor is connected to the first connection end; one end of the motor heat dissipation device is connected to the third valve port, and the other end is connected to the second connection end; When the first connection end is connected to the second connection end, and the third valve port is connected to the first valve port, 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 heat dissipation device includes an air intake device, a motor radiator body and a fan. The air intake device and the fan are respectively arranged 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 loops include: a battery heat dissipation loop for thermally managing the battery and a passenger compartment thermal management loop for thermally managing 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 passenger compartment thermal management circuit.

7. The vehicle thermal management system according to claim 6, characterized in that: The plurality of thermal management loops include a passenger compartment thermal management loop for thermally managing a passenger compartment; 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 the first passenger compartment thermal management circuit and the second passenger compartment thermal management circuit are both connected to the integrated module, and the other side are both 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 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, the first passenger compartment thermal management device is connected to the fifth valve port, and 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; Among them, the fourth valve port is connected to the fifth valve port, and the second one-way pump, the heat exchange device and the first passenger compartment thermal management device are connected through the integrated module to form the first passenger compartment thermal management circuit.

9. 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, 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; Among them, the sixth valve port is connected to the seventh valve port, and the third one-way pump, the second passenger compartment thermal management device and the heat exchange device are connected through the integrated module to form the second passenger compartment thermal management circuit.

10. 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 passenger compartment thermal management circuit, and the second heat exchanger is connected to the second passenger compartment thermal management circuit and the battery heat dissipation circuit.

11. The vehicle thermal management system according to claim 10, characterized in that: The second passenger compartment thermal management circuit is provided with a second valve device, the second valve device includes a fourth connecting end connected to each other and a fifth connecting end and a sixth connecting end selectively connected to the fourth connecting end; the fourth connecting end is connected to the second heat exchanger, the fifth connecting end is connected to the integrated module, and the sixth connecting end is connected to the battery heat dissipation circuit; When the fourth connection end and the sixth connection end 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 end and the fifth connection end 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.

12. The vehicle thermal management system according to claim 11, characterized in that: The second passenger compartment thermal management circuit is further provided with a third valve device, the third valve device comprising a seventh connection end and an eighth connection end which are connected to each other, and a ninth connection end which 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 end is connected to the sixth connection end, and the eighth connection end is connected to the ninth connection end, the motor heat dissipation circuit and the battery heat dissipation circuit are connected through the integrated module.

13. 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.

14. The vehicle thermal management system according to claim 13, characterized in that: The temperature control circuit includes a main circuit and a bypass circuit, and the heat exchange device, the compressor and the gas-liquid separator are all arranged 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.

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

16. The vehicle thermal management system according to claim 14, characterized in that: The invention also includes a detection device arranged in the temperature regulating circuit, which is used to detect at least one of the temperature and pressure of the heat exchange medium flowing through the temperature regulating circuit.

17. The vehicle thermal management system according to claim 16, characterized in that: The heat exchange device comprises 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 also includes a detection device arranged in the temperature control circuit, which is used to detect 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. The first sensor is arranged between the first heat exchanger and the second heat exchanger, and the second sensor is arranged between the first heat exchanger and the second heat exchanger.

18. A vehicle, characterized in that: The vehicle comprises a vehicle thermal management system as claimed in any one of claims 1-17.

Images