Thermal management system and vehicle

Abstract

The utility model discloses a thermal management system and a vehicle. The thermal management system comprises a heat dissipation flow path, a cooling flow path and a temperature control valve. The temperature control valve is provided with a first liquid inlet, a first liquid outlet, a second liquid inlet and a second liquid outlet, and a valve element assembly is arranged in a valve cavity of the temperature control valve. When the temperature of the valve element assembly in the valve cavity is smaller than a set value, the first liquid inlet and the second liquid outlet are connected to the cooling flow path in series to form a loop, and when the temperature is larger than the set value, the cooling flow path, the first liquid inlet, the first liquid outlet, the heat dissipation flow path and the second liquid inlet are sequentially connected in series to form a loop. According to the heat management system, the valve element assembly senses the temperature in the valve cavity and selectively connects or disconnects the heat dissipation flow path and the cooling flow path, cooling liquid does not enter the heat dissipation flow path when the heat dissipation flow path and the cooling flow path are disconnected, heat released by the cooling liquid is reduced, and condensate water is prevented from being generated due to the fact that the temperature of the cooling liquid in the cooling flow path is too low and the temperature difference between the cooling liquid and an air inlet of an engine is large; the engine flameout risk under the low-temperature condition is reduced, and the engine warming-up time is shortened.

Description

Technical Field

[0001] This utility model relates to the field of vehicle thermal management technology, and in particular to a thermal management system and a vehicle. Background Technology

[0002] The application prospects of thermal management systems for hybrid vehicles are broad. With the technological iteration of vehicle manufacturers, the principle of thermal management systems is becoming more and more complex. For example, when the ambient temperature is below 25 degrees Celsius and the humidity is below 50%, the engine's GER (Exhaust Gas Recirculation System) is activated after the vehicle is started, and the intake air temperature rises sharply. When the high-temperature and high-humidity air exchanges heat with the water-cooled intercooler in the cooling flow path where the water temperature is lower, condensation will be generated on the surface of the water-cooled intercooler. A large amount of condensation entering the engine combustion chamber can lead to misfire problems, which means that the engine will stall or fail to operate normally.

[0003] Therefore, there is room for improvement in reducing the generation of condensate in the water-cooled intercooler of the cooling flow path. Utility Model Content

[0004] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, one objective of this invention is to provide a thermal management system in which the valve core assembly of a temperature control valve senses the temperature within the valve chamber, causing the valve core assembly to selectively connect a first inlet to a second outlet, or vice versa. This selectively connects the cooling flow path and the heat dissipation flow path. For example, if the first inlet and first outlet are disconnected and the second outlet is connected, the coolant will not enter the heat dissipation flow path, thus reducing the heat released by the coolant and lowering the temperature difference between the coolant in the cooling flow path and the engine intake, thereby reducing the risk of engine stalling in low-temperature conditions and reducing engine warm-up time.

[0005] A thermal management system according to an embodiment of the present invention includes: a heat dissipation flow path, a cooling flow path, and a temperature control valve. A radiator is provided in the heat dissipation flow path, and the cooling flow path is used for heat exchange with an engine. A valve cavity is formed within the temperature control valve, which has a first inlet, a first outlet, a second inlet, and a second outlet. A valve core assembly is provided within the valve cavity. The valve core assembly is configured to connect the first inlet and the second outlet in series with the cooling flow path to form a loop when the temperature within the valve cavity is less than a set value, and to sequentially connect the cooling flow path, the first inlet, the first outlet, the heat dissipation flow path, and the second inlet in series to form a loop when the temperature is greater than the set value.

[0006] According to the thermal management system of this utility model embodiment, the valve core assembly of the temperature control valve automatically switches to selectively connect the first inlet and the second outlet or the first outlet based on the temperature change of the coolant. That is, it selectively connects the heat dissipation path and the cooling path. When the coolant temperature in the cooling path is high, the cooling path and the heat dissipation path are connected, and heat can be dissipated through the heat dissipation path to reduce the cooling water temperature in the cooling path. When the coolant temperature in the cooling path is low, the connection between the cooling path and the heat dissipation path is selectively disconnected through the temperature control valve. At this time, the coolant cannot enter the heat dissipation path from the cooling path, which reduces the heat released by the coolant. This reduces the temperature difference between the coolant in the cooling path and the engine intake port, and prevents the engine from self-extinguishing due to condensation in the water-cooled intercooler during engine warm-up.

[0007] According to the thermal management system of this utility model embodiment, the valve core assembly includes a core and a first elastic element. The first elastic element is connected to the core and presses against the inner wall of the temperature control valve. The temperature control valve has a limiting part, and at least a portion of the core has a deformable part. When the temperature inside the valve cavity is greater than a set value, the deformable part expands and presses against the limiting part, so that the core moves to connect the first liquid outlet with the first liquid inlet and block the connection between the second liquid outlet and the first liquid inlet. When the temperature inside the valve cavity is less than the set value, the deformable part contracts, and the core is reset under the action of the first elastic element to block the connection between the first liquid outlet and the first liquid inlet, and the second liquid outlet connects with the first liquid inlet.

[0008] According to the thermal management system of this utility model embodiment, the core further includes a first push rod and a second push rod. The first push rod and the second push rod are respectively connected to the two ends of the deformable part. When the deformable part expands, the first push rod causes the core to move away from the first liquid outlet and closer to the second liquid outlet under the pressure of the limiting part, so that the first liquid outlet is connected to the first liquid inlet and the second push rod blocks the connection between the first liquid inlet and the second liquid outlet.

[0009] According to the thermal management system of this utility model embodiment, the valve core assembly further includes a first valve and a second valve arranged at intervals, and the inner wall of the temperature control valve is also provided with a first pressure-blocking part and a second pressure-blocking part respectively; when the first valve presses against the first pressure-blocking part, the first liquid outlet and the first liquid inlet are blocked from communicating, and the second valve is separated from the second pressure-blocking part so that the second liquid outlet and the first liquid inlet are connected, or when the first valve is separated from the first pressure-blocking part, the first liquid outlet and the first liquid inlet are connected, and the second valve presses against the second pressure-blocking part so that the second liquid outlet and the first liquid inlet are blocked from communicating.

[0010] According to the thermal management system of this utility model embodiment, the inner peripheral wall of the temperature control valve is further provided with a circumferential pressure platform, and the first elastic element is connected to the first valve and presses against the pressure platform.

[0011] The thermal management system according to an embodiment of the present invention further includes a second elastic member, one end of which is connected to the second valve and the other end of which abuts against the deformable portion.

[0012] According to the thermal management system of this utility model embodiment, the temperature control valve is provided with a water inlet, the water inlet is connected to a water supply branch, and the water supply branch is connected to an expansion tank.

[0013] According to the thermal management system of this utility model embodiment, the cooling flow path includes a first branch and a second branch. The inlet end of the first branch and the inlet end of the second branch are both connected to the second liquid outlet. One of the first branch and the second branch is provided with a water-cooled intercooler. There are two first liquid inlets. The outlet end of the first branch and the outlet end of the second branch are respectively connected to the two first liquid inlets.

[0014] According to the thermal management system of this utility model embodiment, the first branch includes a first power control module, an oil cooler and / or the water-cooled intercooler; and / or, the second branch includes a driving information and entertainment host, a high and low voltage charging system assembly and / or a second power control module.

[0015] This utility model also discloses a vehicle including the above-described thermal management system.

[0016] The advantages of the vehicle compared to existing technologies and the thermal management system compared to existing technologies are the same, and will not be elaborated here.

[0017] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0018] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0019] Figure 1 This is a schematic diagram showing the connection between the heat dissipation flow path and the cooling flow path controlled by the temperature control valve in the thermal management system of this utility model embodiment;

[0020] Figure 2 This is a schematic diagram of the thermal management system according to an embodiment of the present invention, showing the disconnection between the heat dissipation flow path and the cooling flow path controlled by the temperature control valve.

[0021] Figure 3This is a schematic diagram of the structure of the temperature control valve in the thermal management system of this utility model embodiment;

[0022] Figure 4 This is a cross-sectional structural diagram of the temperature control valve of the thermal management system according to an embodiment of this utility model.

[0023] Figure label:

[0024] Thermal Management System 100

[0025] Heat dissipation path 1, heat sink 11, fan 12,

[0026] Cooling flow path 2, cooling module 21, water-cooled intercooler 211, first power control module 212, oil cooler 213, driving information and entertainment host 214, high and low voltage charging system assembly 215, second power control module 216, first branch 22, inlet end 221 of the first branch, outlet end 222 of the first branch, second branch 23, inlet end 231 of the second branch, outlet end 232 of the second branch, three-way valve 24, first valve port 241, second valve port 242, third valve port 243, water pump 25, temperature sensor 26.

[0027] Temperature control valve 3, second inlet 31, first inlet 32, water supply port 33, first outlet 34, second outlet 35, valve core assembly 36, deformable part 361, first elastic element 362, second elastic element 363, first push rod 364, second push rod 365, first valve 37, second valve 38, first pressing part 391, second pressing part 392, pressing platform 393, limiting part 394, valve outer space 395.

[0028] 4. Expansion tank, 5. Water supply branch, 6. Venting branch. Detailed Implementation

[0029] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0030] The following is for reference. Figures 1-4 According to the thermal management system 100 of this utility model embodiment, the valve core assembly 36 of the temperature control valve 3 automatically switches to selective communication between the first inlet 32 ​​and the second outlet 35 or the first outlet 34 based on the temperature change of the coolant. This achieves the switching between the cooling flow path 2 and the heat dissipation flow path 1, reduces the intake air temperature difference between the cooling flow path 2 and the engine, thereby preventing the water-cooled intercooler 211 from producing condensate, reducing the risk of engine stalling, and reducing engine warm-up time.

[0031] like Figure 1-4 As shown, the thermal management system 100 of this utility model embodiment includes: a heat dissipation flow path 1, a cooling flow path 2, and a temperature control valve 3.

[0032] The heat dissipation flow path 1 is equipped with a radiator 11, and the cooling flow path 2 is used for heat exchange with the engine. The temperature control valve 3 has a valve cavity, and the temperature control valve 3 is equipped with a first liquid inlet 32, a first liquid outlet 34, a second liquid inlet 31, and a second liquid outlet 35. The valve cavity is equipped with a valve core assembly 36. The valve core assembly 36 is configured to connect the first liquid inlet 32 ​​and the second liquid outlet 35 in series with the cooling flow path 2 to form a loop when the temperature in the valve cavity is less than a set value, and to connect the cooling flow path 2, the first liquid inlet 32, the first liquid outlet 34, the heat dissipation flow path 1, and the second liquid inlet 31 in series in sequence to form a loop when the temperature is greater than the set value.

[0033] In practice, the thermal management system 100 is used to regulate and control the heat generated by various components of the vehicle during operation, ensuring the stable and efficient operation of each component. The heat dissipation flow path 1 of the thermal management system 100 is equipped with a radiator 11, and a fan 12 is provided on one side of the radiator 11 to accelerate the heat dissipation of the coolant. The cooling flow path 2 can be used to exchange heat with the compressed air at the engine intake, reducing the temperature of the compressed air, thereby improving the engine's charging efficiency and power output.

[0034] However, when the coolant temperature in cooling flow path 2 is too high, it may result in poor cooling of the compressed air at the engine intake, or when the engine is running at low temperatures, condensation may occur on the engine components cooled by cooling flow path 2. This condensation can enter the engine and cause it to stall. The thermostatic valve 3 controls the connection between cooling flow path 2 and heat dissipation flow path 1, allowing the radiator 11 in heat dissipate heat from cooling flow path 2 when the temperature in cooling flow path 2 is high. For example, if the temperature setting is 35 degrees Celsius, the valve core assembly 36 senses the coolant entering the thermostatic valve 3. When the temperature of the coolant is higher than 35 degrees, the valve core assembly 36 can control the first outlet 34 to connect with the first inlet 32 ​​and block the connection between the second outlet 35 and the first inlet 32. At this time, after the coolant enters the valve cavity through the first inlet 32, it can flow to the heat dissipation flow path 1 through the first outlet 34, so that the radiator 11 of the heat dissipation flow path 1 cools the coolant. The cooled coolant continues to flow through the second inlet 31 of the temperature control valve 3 and through the second outlet 35 to the cooling flow path 2, realizing the heat dissipation circulation between the cooling flow path 2 and the heat dissipation flow path 1.

[0035] When the valve core assembly 36 senses that the temperature of the coolant entering the temperature control valve 3 is lower than 35 degrees, the valve core assembly 36 controls the connection between the second outlet 35 and the first inlet 32. Thus, after the coolant in the cooling flow path 2 enters the temperature control valve 3 from the first inlet 32, the coolant flows from the second outlet 35 to the cooling flow path 2. At this time, the cooling flow path 2 and the heat dissipation flow path 1 are not connected, which means that the temperature of the cooling flow path 2 is low. At this time, the heat dissipation flow path 1 does not need to cool the coolant in the cooling flow path 2.

[0036] Therefore, the valve core assembly 36 of the temperature control valve 3 enables the switching of whether the cooling flow path 2 and the heat dissipation flow path 1 are connected. The valve core assembly 36 can be switched according to the temperature of the coolant entering the temperature control valve 3. For example, if the first inlet port 32 and the first outlet port 34 are disconnected and the second outlet port 35 is connected, the coolant will not enter the heat dissipation flow path 1, which reduces the heat released by the coolant and reduces the temperature difference between the coolant in the cooling flow path 2 and the engine intake port, thereby reducing the risk of engine stalling and reducing the engine warm-up time.

[0037] In some embodiments, the valve core assembly 36 includes a core and a first elastic member 362. The first elastic member 362 is connected to the core and presses against the inner wall of the temperature control valve 3. The temperature control valve 3 is provided with a limiting part 394 and at least a portion of the core is provided with a deformable part 361. When the temperature inside the valve cavity is greater than a set value, the deformable part 361 expands and presses against the limiting part 394 to move the core to connect the first liquid outlet 34 with the first liquid inlet 32 ​​and block the connection between the second liquid outlet 35 and the first liquid inlet 32. When the temperature inside the valve cavity is less than the set value, the deformable part 361 contracts and the core is reset under the action of the first elastic member 362 to block the connection between the first liquid outlet 34 and the first liquid inlet 32, and the second liquid outlet 35 connects with the first liquid inlet 32.

[0038] In practice, the first elastic element 362 can be a spring. The first elastic element 362 is sleeved on the outer periphery of the core, with one end pressing against the inner wall of the valve cavity and the other end connected to the core. The core includes a deformable part 361, which can be paraffin wax. When cooling water enters the valve cavity from the first inlet 32, if the temperature of the cooling water is higher than the preset temperature of 35 degrees Celsius, the paraffin wax expands, causing the core to press against the limiting part 394 inside the temperature control valve 3. As the paraffin wax continues to expand, because the core is sleeved with the first elastic element 362, and the limiting part 394 presses against the core, the first elastic element 362 is compressed, allowing the core to be pressed against the valve cavity. The pressure is directed away from the first outlet 34, causing the core to open the first outlet 34 to connect with the first inlet 32. This means that the coolant enters the temperature control valve 3 through the first inlet 32 ​​and flows out of one end of the heat dissipation path 1 through the first outlet 34. The other end of the heat dissipation path 1 enters the temperature control valve 3 from the second inlet 31 and flows to the cooling path 2 from the second outlet 35. In other words, under high temperature conditions, the temperature control valve 3 connects the cooling path 2 and the heat dissipation path 1. The radiator 11 of the heat dissipation path 1 cools the cooling water in the cooling path 2, thereby reducing the temperature of the cooling path 2.

[0039] In addition, when the temperature of the cooling flow path 2 entering the temperature control valve 3 is less than 35 degrees, the expanded paraffin will shrink. During the shrinkage process, the pressure between the limiting part 394 of the valve cavity and the core body will decrease or the core body will separate from the limiting part 394. Then, when the first elastic element 362 of the core body is compressed, the first elastic element 362 can exert a force on the core body towards the first liquid outlet 34, thereby blocking the connection between the first liquid outlet 34 and the first liquid inlet 32. At this time, the second liquid outlet 35 is connected to the first liquid inlet 32. Then, after entering the temperature control valve 3, the coolant can flow directly to the cooling flow path 2 through the second liquid outlet 35. That is, the temperature control valve 3 disconnects the connection between the cooling flow path 2 and the heat dissipation flow path 1. In other words, under low temperature conditions, the cooling flow path 2 does not need the heat sink 11 of the heat dissipation flow path 1 for heat dissipation.

[0040] Therefore, by setting at least a portion of the core as a deformable part 361, the temperature control valve 3 can be automatically switched by the volume change of the deformable part 361 and the cooperation of the first elastic element 362 when the temperature rises and falls. That is, the connection or disconnection between the cooling flow path 2 and the heat dissipation flow path 1 is automatically switched according to the temperature, so as to achieve better heat dissipation of the cooling flow path 2.

[0041] In some embodiments, the core further includes a first push rod 364 and a second push rod 365, which are respectively connected to the two ends of the deformable portion 361. When the deformable portion 361 expands, the first push rod 364 moves the core away from the first liquid outlet 34 and closer to the second liquid outlet 35 under the pressure of the limiting portion 394, so that the first liquid outlet 34 communicates with the first liquid inlet 32 ​​and the second push rod 365 blocks the communication between the first liquid inlet 32 ​​and the second liquid outlet 35.

[0042] Reference Figure 4 As shown, the first push rod 364 and the second push rod 365 can be metal rods. When the coolant temperature is higher than 35 degrees Celsius, causing the paraffin to expand, the first push rod 364 and the limiting part 394 make contact with each other. Since a first elastic element 362 is provided between the outer surface of the core and the inner wall of the valve cavity, after the first push rod 364 is limited by the limiting part 394, and as the paraffin continues to expand, the limiting part 394 presses the first push rod 364 against each other, thereby causing the core to move away from the first outlet 34 so that the first outlet 34 connects with the first inlet 32. The limiting part 394 may be provided with a groove that cooperates with the first push rod 364, so that when the limiting part 394 and the first push rod 364 press against each other, the pressure between the two is more reliable, thereby making the movement of the core more stable, and thus ensuring that the core can be easily controlled when connecting the first outlet 34 or the second outlet 35 with the first inlet 32.

[0043] In addition, when the first push rod 364 is pressed by the limiting part 394 to move in a direction away from the first liquid outlet 34, the second push rod 365 moves towards the second liquid outlet 35, and one end of the second push rod 365 of the core blocks the connection between the second liquid outlet 35 and the first liquid inlet 32.

[0044] In some embodiments, the valve core assembly 36 further includes a first valve 37 and a second valve 38 spaced apart, and the inner wall of the temperature control valve 3 is also provided with a first pressing part 391 and a second pressing part 392 respectively; when the first valve 37 presses against the first pressing part 391, the first outlet 34 and the first inlet 32 ​​are blocked from communicating, and the second valve 38 separates from the second pressing part 392 so that the second outlet 35 communicates with the first inlet 32, or when the first valve 37 separates from the first pressing part 391 so that the first outlet 34 communicates with the first inlet 32, and the second valve 38 presses against the second pressing part 392 so that the second outlet 35 and the first inlet 32 ​​are blocked from communicating.

[0045] Specifically, the first valve 37 is located on the outer periphery of the deformable part 361, or it can be located on the outer periphery of the first push rod 364. The second valve 38 is connected to the outer periphery of the second push rod 365. The first pressing part 391 has a first connecting port in the middle, which connects the first liquid outlet 34 and the first liquid inlet 32. The second pressing part 392 has a second connecting port in the middle, which connects the second liquid outlet 35 and the first liquid inlet 32. When the deformable part 361 expands and the core moves away from the first liquid outlet 34 and closer to the second liquid outlet 35, it causes the first valve 37 to separate from the first pressing part 391, that is, the first valve 37 opens the first connecting port, so that the first liquid outlet 34 and the first liquid inlet 32 ​​are connected through the first connecting port. At the same time, the second valve 38 at the other end presses against the second pressing part 392 to close the second connecting port, so as to block the connection between the first liquid inlet 32 ​​and the second liquid outlet 35.

[0046] When the deformable part 361 contracts and the core moves towards the end near the first liquid outlet 34, it causes the first valve 37 to press against the first pressing part 391, thus blocking the first connecting port. This means the connection between the first liquid outlet 34 and the first liquid inlet 32 ​​is blocked. Simultaneously, the second connecting port at the other end opens, allowing the second liquid outlet 35 to connect with the first liquid inlet 32. In other words, the design of the first valve 37 and the second valve 38 allows the first liquid inlet 32 ​​to selectively connect to either the first liquid outlet 34 or the second liquid outlet 35. Therefore, the cooling flow path 2 can selectively connect to or disconnect from the heat dissipation flow path 1.

[0047] In some embodiments, the inner peripheral wall of the temperature control valve 3 is further provided with a circumferential pressing platform 393, and the first elastic member 362 is connected to the first valve 37 and presses against the pressing platform 393.

[0048] In practice, the pressure plate 393 is distributed circumferentially, meaning that the first elastic element 362 is always pressed against the pressure plate 393. The other end of the first elastic element 362 is connected to the deformation part 361. When the paraffin wax deforms and expands, the first push rod 364 is pushed towards the second liquid outlet 35 under the pressure of the limiting part 394, thereby compressing the first elastic element 362. When the temperature of the cooling water decreases and the paraffin wax shrinks, the first elastic element 362 can gradually return to its original position. During the return process, the core is pushed towards the first liquid outlet 34, thereby causing the core to drive the first valve 37 to press against the first pressure part 391, thus blocking the connection between the first liquid outlet 34 and the first liquid inlet 32.

[0049] The setting of the pressure platform 393 provides support for the first elastic element 362, making it easier for the first elastic element 362 to be stably compressed, thereby facilitating the first elastic element 362 to drive the core to reset.

[0050] In some embodiments, the valve core assembly 36 further includes a second elastic member 363, one end of which is connected to the second valve 38 and the other end of which is pressed against the deformable portion 361.

[0051] In practice, the second elastic element 363 is a spring, and the cross-sectional width of the second push rod 365 is smaller than the cross-sectional width of the deformable part 361, so that one end of the second elastic element 363 presses against the junction between the second push rod 365 and the deformable part 361, and the other end is connected to the second valve 38. When the first elastic element 362 is squeezed, the second elastic element 363 acts on the second valve 38 and makes the second valve 38 move steadily toward the second liquid outlet 35. When the second valve 38 contacts the second pressing part 392, and the core still has a force toward the second liquid outlet 35, the second elastic element 363 supports the core and provides a buffering force for the core.

[0052] In some embodiments, the temperature control valve 3 is provided with a water inlet 33, which is connected to a water supply branch 5, and the water supply branch 5 is connected to an expansion tank 4.

[0053] Specifically, the expansion tank 4 can be used to replenish water and vent air from the cooling flow path 2. The expansion tank 4 is connected to the water inlet 33 through the water replenishment branch 5, so that the coolant in the expansion tank 4 can enter the temperature control valve 3 along the water replenishment branch 5, and then enter the cooling flow path 2 to replenish water to the cooling flow path 2. When the expansion tank 4 is connected to the temperature control valve 3, the gas in the cooling flow path 2 can also enter the temperature control valve 3, and from the temperature control valve 3, enter the expansion tank 4 along the water replenishment branch 5 to vent air from the cooling flow path 2, thus meeting the degassing requirements of the thermal management system 100.

[0054] In some embodiments, the cooling flow path 2 includes a first branch 22 and a second branch 23. The inlet end 221 of the first branch and the inlet end 231 of the second branch are both connected to the second liquid outlet 35. One of the first branch 22 and the second branch 23 is provided with a water-cooled intercooler 211. There are two first liquid inlets 32. The outlet end 222 of the first branch and the outlet end 232 of the second branch are respectively connected to the two first liquid inlets 32.

[0055] In practice, such as Figure 3 and Figure 4 As shown, the central axes of the two first inlets 32 are at an angle, and the coolant enters the valve chamber from the side of the temperature control valve 3 through the two first inlets 32. After flowing out from the first outlet 34, the coolant enters the outer space 395 of the second valve 38 away from the first valve 37 through the second inlet 31. The outer space 395 of the valve is connected to the second outlet 35, and the water inlet 33 is also connected to the outer space 395 of the valve. Figure 3In the middle, the central axis of the water inlet 33 and the central axis of the second liquid outlet 35 are both at an angle to the central axis of the second liquid inlet 31.

[0056] Furthermore, coolant flows within the cooling flow path 2, exchanging heat with other components. The cooling flow path 2 includes a first branch 22 and a second branch 23. The inlet end 221 of the first branch and the inlet end 231 of the second branch are both connected to the second outlet 35 of the temperature control valve 3. Thus, the coolant entering the cooling flow path 2 from the second outlet 35 can simultaneously flow to the first branch 22 and the second branch 23 to exchange heat with different components in the first branch 22 and the second branch 23 respectively. A water-cooled intercooler 211 is provided in one of the first branch 22 and the second branch 23. The water-cooled intercooler 211 can be located in either the first branch 22 or the second branch 23, so that when the coolant flows to the first branch 22 and the second branch 23, the temperature of the water-cooled intercooler 211 can be reduced, thereby reducing the intake air temperature of the engine and improving the reliability of the water-cooled intercooler 211.

[0057] Furthermore, there are two first liquid inlets 32. The outlet end 222 of the first branch and the outlet end 232 of the second branch are respectively connected to the two first liquid inlets 32 in a one-to-one correspondence. That is, the first branch 22 and the second branch 23 can be connected to the temperature control valve 3 through a second liquid inlet 31, so that the coolant in the first branch 22 and the second branch 23 can enter the temperature control valve 3 simultaneously and quickly. The coolant mixes in the temperature control valve 3. When the cooling flow path 2 is connected to the heat dissipation flow path 1, the coolant can enter the heat dissipation flow path 1 from the temperature control valve 3 and dissipate heat through the radiator 11.

[0058] In some embodiments, the first branch 22 includes a first power control module 212, an oil cooler 213 and / or a water-cooled intercooler 211; and / or, the second branch 23 includes a driving information and entertainment host 214, a high and low voltage charging system assembly 215 and / or a second power control module 216.

[0059] Specifically, such as Figure 2 As shown, the first branch 22 is equipped with a first power control module 212, an oil cooler 213, and a water-cooled intercooler 211. That is, as the coolant flows along the first branch 22, it can absorb heat at the first power control module 212, the oil cooler 213, and the water-cooled intercooler 211 respectively, so as to ensure the reliability of the operation of the first power control module 212, the oil cooler 213, and the water-cooled intercooler 211. Of course, the first branch 22 can also be equipped with any two or any one of the water-cooled intercooler 211, the first power control module 212, and the oil cooler 213, which can be designed according to actual needs.

[0060] Furthermore, the second branch 23 is equipped with a driver information and entertainment host 214, a high and low voltage charging system assembly 215, and / or a second power control module 216. That is, the first power control module 212, oil cooler 213, water-cooled intercooler 211, driver information and entertainment host 214, high and low voltage charging system assembly 215, and second power control module 216 together form a cooling module 21, so that the cooling flow path 2 can cool the cooling module 21. As the coolant flows along the second branch 23, it can absorb heat at the driver information and entertainment host 214, high and low voltage charging system assembly 215, and / or second power control module 216 respectively, so as to ensure the reliability of the operation of the driver information and entertainment host 214, high and low voltage charging system assembly 215, and / or second power control module 216.

[0061] It should be noted that the number of branches in cooling flow path 2 can be increased according to actual needs, and multiple components that need heat dissipation can be set in different branches to cool multiple different components at the same time, which can effectively improve the utilization efficiency of coolant.

[0062] In addition, the thermal management system 100 also includes an exhaust branch 6, through which the expansion tank 4 is connected to the water-cooled intercooler 211. Connecting the expansion tank 4 to the water-cooled intercooler 211 via the exhaust branch 6 allows gas from the water-cooled intercooler 211 to enter the expansion tank 4 along the exhaust branch 6. This, in turn, allows gas in the thermal management system 100 to flow from the water-cooled intercooler 211 to the expansion tank 4 along the exhaust branch 6, thereby discharging gas from the thermal management system 100 and improving the reliability of its operation.

[0063] The thermal management system 100 in this embodiment of the present invention further includes a control module and a water pump 25. The water pump 25 is located at the common inlet end of the first branch 22 and the second branch 23, which is one end of the second outlet 35 of the temperature control valve 3. The water pump 25 provides power for the coolant to flow to the first branch 22 and the second branch 23. In addition, a temperature sensor 26 is also provided at the common inlet end of the first branch 22 and the second branch 23. The temperature sensor 26 can monitor the temperature of the entire cooling flow path 2. The control module can change the flow rate of the water pump 25 according to the temperature measured by the temperature sensor 26 to improve the heat dissipation effect.

[0064] In addition, the cooling flow path 2 also includes a three-way valve 24. The three-way valve 24 has a first valve port 241, a second valve port 242, and a third valve port 243. The first valve port 241 is connected to the second liquid outlet 35, the second valve port 242 is connected to the inlet end 221 of the first branch, and the third valve port 243 is connected to the inlet end 231 of the second branch. By setting the three-way valve 24, the second liquid outlet 35 can be connected to both the first branch 22 and the second branch 23 at the same time, so that the coolant can absorb the heat of the first power control module 212, the oil cooler 213, and the water-cooled intercooler 211. At the same time, it can also absorb the heat of the driving information and entertainment host 214, the high and low voltage charging system assembly 215, and the second power control module 216 of the second branch 23.

[0065] This utility model embodiment also discloses a vehicle, including the above-mentioned thermal management system 100. The temperature control valve 3 uses the valve core assembly 36 to sense the temperature inside the valve cavity to switch between the cooling flow path 2 and the heat dissipation flow path 1, thereby reducing the intake air temperature difference between the cooling flow path 2 and the engine, thus preventing the water-cooled intercooler 211 from producing condensate, reducing the risk of engine stalling, reducing engine warm-up time, and improving the stability of vehicle driving.

[0066] 1. In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0067] 2. In the description of this utility model, "first feature" and "second feature" may include one or more of the features.

[0068] 3. In the description of this utility model, "multiple" means two or more.

[0069] 4. In the description of this utility model, the first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or it may include the first and second features not being in direct contact but being in contact through another feature between them.

[0070] 5. In the description of this utility model, the terms "above", "over" and "on top" for the first feature and the second feature include the first feature being directly above or diagonally above the second feature, or simply indicate that the first feature is at a higher horizontal level than the second feature.

[0071] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0072] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A thermal management system, characterized in that, include: The heat dissipation flow path and the cooling flow path are provided, wherein the heat dissipation flow path is equipped with a radiator and the cooling flow path is used for heat exchange with the engine; A temperature control valve, wherein a valve cavity is formed inside the temperature control valve, and the temperature control valve is provided with a first liquid inlet, a first liquid outlet, a second liquid inlet, and a second liquid outlet, and a valve core assembly is provided inside the valve cavity; The valve core assembly is configured to connect the first liquid inlet and the second liquid outlet in series with the cooling flow path to form a loop when the temperature in the valve cavity is less than a set value, and to connect the cooling flow path, the first liquid inlet, the first liquid outlet, the heat dissipation flow path, and the second liquid inlet in series in sequence to form a loop when the temperature is greater than the set value.

2. The thermal management system according to claim 1, characterized in that, The valve core assembly includes a core and a first elastic element. The first elastic element is connected to the core and presses against the inner wall of the temperature control valve. The temperature control valve has a limiting part and at least a portion of the core has a deformable part. When the temperature inside the valve cavity is greater than the set value, the deformable part expands and presses against the limiting part, so that the core moves to connect the first liquid outlet with the first liquid inlet and block the connection between the second liquid outlet and the first liquid inlet. When the temperature inside the valve cavity is less than the set value, the deformable part contracts and the core is reset under the action of the first elastic element to block the connection between the first liquid outlet and the first liquid inlet, and the second liquid outlet connects with the first liquid inlet.

3. The thermal management system according to claim 2, characterized in that, The core also includes a first push rod and a second push rod, which are respectively connected to the two ends of the deformable part. When the deformable part expands, the first push rod moves the core away from the first liquid outlet and closer to the second liquid outlet under the pressure of the limiting part, so that the first liquid outlet is connected to the first liquid inlet and the second push rod blocks the connection between the first liquid inlet and the second liquid outlet.

4. The thermal management system according to claim 2, characterized in that, The valve core assembly also includes a first valve and a second valve arranged at intervals, and the inner wall of the temperature control valve is also provided with a first pressure-blocking part and a second pressure-blocking part respectively; When the first valve presses against the first pressure part, the first outlet and the first inlet are blocked from communicating, and the second valve is separated from the second pressure part so that the second outlet can communicate with the first inlet; or the second valve presses against the second pressure part so that the second outlet and the first inlet are blocked from communicating, and the first valve is separated from the first pressure part so that the first outlet can communicate with the first inlet.

5. The thermal management system according to claim 4, characterized in that, The inner peripheral wall of the temperature control valve is also provided with a circumferential pressure plate, and the first elastic element is connected to the first valve and presses against the pressure plate.

6. The thermal management system according to claim 4, characterized in that, It also includes a second elastic element, one end of which is connected to the second valve and the other end of which presses against the deformable part.

7. The thermal management system according to claim 1, characterized in that, The temperature control valve is equipped with a water inlet, which is connected to a water supply branch, and the water supply branch is connected to an expansion tank.

8. The thermal management system according to claim 1, characterized in that, The cooling flow path includes a first branch and a second branch. The inlet end of the first branch and the inlet end of the second branch are both connected to the second liquid outlet. One of the first branch and the second branch is equipped with a water-cooled intercooler. There are two first liquid inlets, and the outlets of the first branch and the second branch are respectively connected to the two first liquid inlets.

9. The thermal management system according to claim 8, characterized in that, The first branch includes a first power control module, an oil cooler, and / or the water-cooled intercooler; And / or, the second branch includes a driving information and entertainment host, a high and low voltage charging system assembly and / or a second power control module.

10. A vehicle, characterized in that, Includes the thermal management system described in any one of claims 1-9.

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