Water-side flow channel plate, thermal management module and vehicle

Abstract

This application relates to the field of vehicle technology, and more particularly to a water-side flow channel plate, a thermal management module, and a vehicle. An embodiment of this application provides a water-side flow channel plate, including a body, a first channel and multiple second channels, an exhaust water supply channel, multiple first microchannels, and multiple second microchannels. The first channel and multiple second channels are all located in the body, each corresponding to a different circuit. The exhaust water supply channel is located in the body and communicates with the first channel. The multiple first microchannels and multiple second microchannels are all located in the body, with one end of each first microchannel and one end of the corresponding second microchannel communicating with the corresponding second channel, and the other end of each first microchannel and the other end of the corresponding second microchannel communicating with either the first channel or the exhaust water supply channel. This design can solve the problem of coolant expansion and overflow in each circuit, and also achieves the purpose of degassing and water replenishment.

Description

Technical Field

[0001] This application relates to the field of vehicle technology, and in particular to a water-side flow channel plate, a thermal management module, and a vehicle. Background Technology

[0002] To improve the energy efficiency of the vehicle, the thermal management system dynamically adjusts the working mode of the cooling cycle of each circuit according to the actual operating status of the vehicle, through the coolant flow channel plate and multi-way water valve in conjunction with the water pump, so that it can achieve coordinated linkage or independent operation under different operating conditions.

[0003] Currently, kettles typically have multiple degassing and water inlets connected to different circuits (battery circuit, motor circuit, and heating circuit, etc.), which leads to pressure drop differences between circuits when the water pump is running, causing liquid leakage between circuits; it can even cause a stepped liquid level difference to form in each chamber of the integrated kettle, resulting in the problem of gas being drawn back into the circuit. Summary of the Invention

[0004] This application provides a water-side flow channel plate, a thermal management module, and a vehicle, which can solve the problem of coolant expansion and overflow in each circuit, and can also achieve the purpose of degassing and water replenishment.

[0005] To achieve the above objectives, the main technical solutions adopted in this application include:

[0006] In a first aspect, embodiments of this application provide a water-side flow channel plate, including a body portion, a first channel and a plurality of second channels, an exhaust water supply channel, a plurality of first microchannels and a plurality of second microchannels. The first channel and the plurality of second channels are all disposed in the body portion, and the first channel and the plurality of second channels correspond to different circuits respectively. The exhaust water supply channel is disposed in the body portion and is connected to the first channel. The plurality of first microchannels and the plurality of second microchannels are all disposed in the body portion. One end of each first microchannel and one end of the corresponding second microchannel are connected to the corresponding second channel, and the other end of each first microchannel and the other end of the corresponding second microchannel are connected to the first channel or the exhaust water supply channel.

[0007] The water-side flow channel plate proposed in this embodiment connects a first microchannel and a second microchannel to each second channel, and the first and second microchannels are connected to the exhaust water supply channel or the first channel. This allows the coolant in the circuit corresponding to each second channel to be discharged into the circuit corresponding to the first channel through one of the first or second microchannels, and then flows into the corresponding second channel through the other of the first or second microchannels. This replaces the coolant in the circuit containing air with the coolant in the circuit corresponding to the first channel or with the coolant in the exhaust water supply channel, and then flows into the corresponding second channel through the other of the first or second microchannels. The coolant containing air discharged from the second channel can circulate in the circuit corresponding to the first channel and flow into the expansion tank through the exhaust water supply channel for exhaust, thereby realizing real-time exhaust and water supply to the circuit corresponding to the second channel.

[0008] Optionally, there is a pressure difference between one end of each of the first microchannels and one end of the corresponding second microchannel.

[0009] Optionally, the main body includes a first wall that encloses the exhaust water supply channel. The first wall has a first through hole and a second through hole. The first through hole connects the first microchannel and the exhaust water supply channel, and the second through hole connects the second microchannel and the exhaust water supply channel.

[0010] Optionally, the second through hole is closer to the kettle than the first through hole; the body also includes a partition, which is disposed in the venting and water supply channel and located between the first through hole and the second through hole.

[0011] Optionally, the partition is constructed as a partition plate, one end of which is disposed on the first wall and located between the first through hole and the second through hole, and the other end of which extends toward the direction close to the second through hole.

[0012] Optionally, the body includes a second wall, which is disposed in the exhaust water supply channel to divide the exhaust water supply channel into a first exhaust water supply channel and a second exhaust water supply channel, wherein the first through hole and the second through hole are both connected to the first exhaust water supply channel.

[0013] Optionally, the partition is configured as at least one perforated plate, the perforated plate being connected to the first wall and the second wall, the perforated plate including a first hole and a second hole, the first hole being closer to the second wall than the second hole, and the diameter of the first hole being larger than the diameter of the second hole.

[0014] Optionally, the partition is constructed as a plurality of baffles, with gaps between adjacent baffles along the thickness direction of the second wall, and the size of the gaps near the first wall being smaller than the size of the gaps near the second wall.

[0015] Optionally, the diameter of the first through hole is d1, satisfying: 1mm≤d1≤3mm; the diameter of the second through hole is d2, satisfying: 1mm≤d2≤3mm.

[0016] Secondly, embodiments of this application provide a thermal management module, including the water-side flow channel plate described in any of the above embodiments. The thermal management module in this application, including the water-side flow channel plate described in any of the above embodiments, has the beneficial effects described in any of the above embodiments.

[0017] Thirdly, embodiments of this application provide a vehicle including any of the water-side flow channel plates described above. The vehicle in this application embodiment includes any of the water-side flow channel plates or thermal management modules described above, and has the beneficial effects of the water-side flow channel plates or thermal management modules described in any of the above embodiments. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the specific embodiments of this application or the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the thermal management module in one embodiment of this application;

[0020] Figure 2 This is a partial structural diagram of the thermal management module in one embodiment of this application;

[0021] Figure 3 This is a partial structural diagram of the thermal management module in one embodiment of this application;

[0022] Figure 4 This is a partial structural diagram of the thermal management module in one embodiment of this application;

[0023] Figure 5 for Figure 3 A magnified structural diagram of region D in the middle;

[0024] Figure 6 This is a simulation diagram of the thermal management module in this application.

[0025] [Explanation of Labels in the Attached Image]

[0026] 1. Body; 11. First wall; 111. First through hole; 112. Second through hole; 13. Second wall;

[0027] 2. First passage;

[0028] 3. Second channel;

[0029] 4. Exhaust water supply channel; 41. First exhaust water supply channel; 42. Second exhaust water supply channel;

[0030] 5. First microchannel;

[0031] 6. Second microchannel;

[0032] 7. Kettle;

[0033] 81. Partition; 82. Perforated plate; 821. First hole; 822. Second hole; 83. Baffle;

[0034] 101. Battery water pump; 102. Battery cooler; 103. Multi-way valve; 104. Motor water pump; 105. External connector. Detailed Implementation

[0035] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0036] Unless otherwise defined, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the terminology used in the description of this application is for the purpose of describing particular embodiments only and is not intended to limit the application; the terms "comprising" and "having," and any variations thereof, in the description, claims, and accompanying drawings of this application are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the description, claims, or accompanying drawings of this application are used to distinguish different objects, not to describe a specific order or hierarchy.

[0037] In this application, the reference to "embodiment" means that a specific feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a mutually exclusive, independent, or alternative embodiment. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described in this application can be combined with other embodiments.

[0038] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "attachment" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0039] In this application, the term "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, or B existing alone. Additionally, in this application, the character " / " generally indicates that the preceding and following related objects have an "or" relationship.

[0040] In this application, "multiple" refers to two or more (including two), similarly, "multiple sets" refers to two or more (including two sets), and "multiple pieces" refers to two or more (including two pieces).

[0041] The thermal management system, through the cooperation of the coolant flow channel plate, multi-way water valve and water pump, couples and decouples various modes such as battery circuit and motor circuit to realize the functions of multiple working modes.

[0042] Taking a drive motor as an example, it generates a large amount of heat during operation. If heat dissipation is insufficient and the temperature becomes too high, it may cause demagnetization of the motor's permanent magnets, reduce working efficiency, or even damage the equipment. To address this, the thermal management system actively dissipates heat from the motor through independent coolant circulation, ensuring that it always operates within a highly efficient and safe temperature range.

[0043] Furthermore, this thermal management system also features heat recovery. In low-temperature winter environments, the waste heat generated by the motor can be effectively collected and used to heat the battery pack or provide warm air for the passenger compartment. This design significantly reduces reliance on direct heating from the battery, minimizing additional energy consumption and thus helping to extend the vehicle's driving range. To achieve these functions, the cooling cycle between the motor and battery is coordinated through integrated modules, water pumps, and valves, flexibly switching between coupling and decoupling modes according to actual needs.

[0044] To meet the needs of venting, water replenishment, and pressure relief in each circuit, kettles typically have multiple venting and water replenishment ports connected to different circuits (battery circuit, motor circuit, and heating circuit, etc.). However, this can lead to pressure drop differences between circuits when the water pump is running, causing liquid leakage between circuits. It can even cause a stepped liquid level difference to form in each chamber of the integrated kettle, resulting in the problem of gas being drawn back into the circuit.

[0045] The thermal management system can be designed so that the degassing and water supply port of the water tank is connected to only one circuit, while other circuits are connected to the exhaust and water supply channels through single micro-holes or single micro-channels set on the water-side flow channel plate. This can solve the problems of cross-contamination between different circuits, the formation of liquid level differences between the two tank cavities, and even the problem of gas being drawn back into the circuit.

[0046] One typical operating condition involves two or more circuits connected in series. Due to water replenishment before the pump, a pressure difference exists between the circuits, causing coolant to be diverted from the replenishment port and affecting the main circuit flow rate. Another typical operating condition involves two or more circuits isolated (each circuit operates independently). The coolant in each circuit expands due to heat, requiring a pressure relief path. If a single micro-hole or micro-channel is installed on the water-side flow channel plate, the pressure difference between the circuits will be balanced through a small amount of diversion, without affecting the main circuit flow rate. The liquid expanding due to heat can also overflow through the micro-channel, achieving the purpose of pressure release.

[0047] However, in the aforementioned thermal management system, the circuit connected to the degassing and water replenishment port of the coolant reservoir (the main water replenishment circuit) can normally perform high-temperature expansion overflow, degassing, and water replenishment. Other circuits with only a single microchannel structure (non-main water replenishment circuits) can only achieve high-temperature expansion and water overflow of the coolant. Degassing and water replenishment in non-main water replenishment circuits can only be performed using flow channels or the reservoir when connected in series with the main water replenishment circuit. Real-time degassing and water replenishment are not possible when the non-main water replenishment circuit operates in independent circulation mode. When the non-main water replenishment circuit must perform degassing and water replenishment, it can be forcibly connected in series with the main water replenishment circuit. However, this forced series connection can lead to heat exchange between circuits, affecting system operation. For example, if the battery circuit is the main water replenishment circuit and the motor circuit is a non-main water replenishment circuit, forcibly connecting the motor circuit and battery circuit in independent operation, when the motor circuit needs degassing and water replenishment, will cause heat from the motor circuit to enter the battery circuit, leading to excessive heat in the battery circuit, abnormal battery operation, or even thermal runaway.

[0048] In view of this, this application provides a new water-side flow channel plate that can solve the problem of high-temperature expansion and overflow of coolant in closed loops when each loop operates in independent circulation mode, while also achieving real-time degassing and water replenishment for each loop.

[0049] Firstly, reference Figures 1 to 4This application provides a water-side flow channel plate, which includes a body 1, a first channel 2 and a plurality of second channels 3, an exhaust water supply channel 4, a plurality of first microchannels 5 and a plurality of second microchannels 6. The first channel 2 and the plurality of second channels 3 are all located in the body 1, and the first channel 2 and the plurality of second channels 3 correspond to different circuits respectively. The exhaust water supply channel 4 is located in the body 1 and is connected to the first channel 2. The plurality of first microchannels 5 and the plurality of second microchannels 6 are all located in the body 1. One end of each first microchannel 5 and one end of the corresponding second microchannel 6 are connected to the corresponding second channel 3, and the other end of each first microchannel 5 and the other end of the corresponding second microchannel 6 are connected to the first channel 2 or the exhaust water supply channel 4.

[0050] In this application, the first channel 2 is connected to the exhaust water supply channel 4. The circuit with the first channel 2 serves as the main water supply circuit, and the circuit with the second channel 3 serves as the non-main water supply circuit. Each second channel 3 is connected to a first microchannel 5 and a second microchannel 6, meaning that each non-main water supply circuit is equipped with a first microchannel 5 and a second microchannel 6. Each first microchannel 5 and its corresponding second microchannel 6 are connected to either the first channel 2 or the exhaust water supply channel 4, so that the coolant and gas in the second channel 3 are discharged into the first channel 2 or the exhaust water supply channel 4 through one of the first microchannel 5 and the second microchannel 6. The coolant and gas discharged from the second channel 3 are diverted and circulated in the first channel 2, and the coolant in the first channel 2 or the exhaust water supply channel 4 flows into the second channel 3 through the other of the first microchannel 5 or the second microchannel 6, thereby realizing the water supply and exhaust of the circuit corresponding to the second channel 3.

[0051] The other end of the first microchannel 5 and the other end of the second microchannel 6 can be connected to the exhaust water supply channel 4 or to the first channel 2, as long as water can be supplied and the coolant in the corresponding second channel 3 can be discharged, circulated through the first channel 2 and / or the exhaust water supply channel 4, and then the coolant can be discharged in the expansion tank 7.

[0052] The water-side flow channel plate proposed in this embodiment connects a first microchannel 5 and a second microchannel 6 to each second channel 3, and the first microchannel 5 and the second microchannel 6 are connected to the exhaust water supply channel 4 or the first channel 2. This allows the coolant in the circuit corresponding to the second channel 3 to be discharged into the circuit corresponding to the first channel 2 through one of the first microchannel 5 or the second microchannel 6, and to flow into the corresponding second channel 3 through the other of the first microchannel 5 or the second microchannel 6. This replaces the coolant in the circuit containing air with the coolant in the circuit corresponding to the first channel 2 or with the coolant in the exhaust water supply channel 4. The coolant containing air discharged from the second channel 3 can circulate in the circuit corresponding to the first channel 2 and flow into the expansion tank 7 through the exhaust water supply channel 4 for exhaust, thereby realizing real-time exhaust and water supply to the circuit corresponding to the second channel 3.

[0053] In other words, in the water-side flow channel plate of this application, the first channel 2 is connected to the water tank 7 through the exhaust and water supply channel 4, enabling water supply, exhaust, and expansion overflow of the circuit corresponding to the first channel 2 (main water supply circuit). Simultaneously, by setting the first microchannel 5 and the second microchannel 6, exhaust and water supply can be achieved for the circuit corresponding to the second channel 3 (non-main water supply circuit). Meanwhile, the second channel 3 is connected to the first channel 2 or the exhaust and water supply channel 4 through the first microchannel 5 and the second microchannel 6, enabling pressure relief of the coolant in the second channel 3 and balancing the pressure between circuits under different operating modes, thereby reducing problems such as cross-contamination and flow fluctuations caused by pressure differences between circuits.

[0054] In addition, since the first microchannel 5 and the second microchannel 6 are integrated into the flow channel plate body 1, the structure is compact and does not occupy additional space.

[0055] Optionally, there is a pressure difference between one end of each first microchannel 5 and one end of the corresponding second microchannel 6.

[0056] Specifically, there is a pressure difference between the connection between each first microchannel 5 and the corresponding second channel 3, and between the connection between the corresponding second microchannel 6 and the corresponding second channel 3. This pressure difference can drive the coolant to flow in the first microchannel 5 and the second microchannel 6. That is, under the action of the pressure difference, the coolant in the circuit corresponding to a second channel 3 is guided through one of the first microchannel 5 and the second microchannel 6 to the first channel 2 or the exhaust water replenishment channel 4, and then to the degassing zone of the expansion tank 7 for degassing. After degassing, the coolant flows back to the circuit corresponding to the second channel 3 through the other of the first microchannel 5 or the second microchannel 6, thereby realizing the degassing and water replenishment of the coolant in the circuit corresponding to the second channel 3.

[0057] For example, there is a pressure difference between the inlet and outlet of a component in each loop. For instance, one end of the first microchannel 5 is connected to the outlet of a component, and the other end is connected to the exhaust / water replenishment channel 4 or the first channel 2. One end of the second microchannel 6 is connected to the inlet of a component, and the other end is connected to the exhaust / water replenishment channel 4 or the first channel 2. The specific connection points between the first microchannel 5, the second microchannel 6, and the corresponding second channel 3 can be determined according to the specific application, as long as there is a pressure difference between the two connection points, allowing the coolant to circulate within the flow channels of the first microchannel 5 and the second microchannel 6.

[0058] In one specific embodiment, the first microchannel 5 is connected to the outlet of the water pump, and the second microchannel 6 is connected to the inlet of the water pump. Due to the pressure difference between the inlet and outlet of the water pump, the coolant in the second channel 3 can be driven to flow out through the first microchannel 5 to the first channel 2 or the exhaust and water replenishment channel 4, and finally the coolant flowing out of the first microchannel 5 is guided to the degassing zone of the expansion tank 7 for degassing. The second microchannel 6 can guide the degassed coolant in the first channel 2 or the exhaust and water replenishment channel 4 to the corresponding second channel 3. The coolant flows out through the first microchannel 5 and flows in through the second microchannel 6. The coolant discharged from the first microchannel 5 undergoes multiple diversions and circulations in the circuit corresponding to the first channel 2, completing the replacement of the coolant in the corresponding second channel 3, thereby achieving the purpose of venting and replenishing the coolant in the second channel 3.

[0059] For example, taking a circuit with a motor and a circuit with a battery as an example, the circuit corresponding to the first channel 2 can be a battery circuit, and the circuit corresponding to the second channel 3 can be a motor circuit. The motor circuit includes a motor-driven water pump 104, and the battery circuit includes a battery-driven water pump 101. The motor circuit and the battery circuit can be connected in series or operated independently via a multi-way valve 103. When the motor circuit and the battery circuit operate independently, the route for the battery circuit is multi-way valve 103, battery-driven water pump 101, battery cooler 102, external connector 105, multi-way valve 103; the route for the motor circuit is multi-way valve 103, motor-driven water pump 104, external connector 105, multi-way valve 103. (Reference) Figure 6The exhaust and water replenishment channel 4, connected to the water tank 7, is connected to the battery circuit. One end of the first microchannel 5 is connected to the rear side of the outlet of the motor water pump 104, and the other end is connected to the exhaust and water replenishment channel 4. One end of the second microchannel 6 is connected to the front side of the inlet of the motor water pump 104, and the other end is connected to the exhaust and water replenishment channel 4. When the motor circuit and the battery circuit operate independently, there is a pressure difference between the front side of the inlet of the motor water pump 104 and the rear side of the outlet of the motor water pump 104. This pressure difference can drive the coolant in the second channel 3 to form a split at the first microchannel 5. The coolant flows out through the first microchannel 5 to the exhaust and water replenishment channel 4, and finally guides the coolant flowing out of the first microchannel 5 to the degassing zone of the expansion tank 7 for degassing. The second microchannel 6 can guide the degassed coolant in the exhaust and water replenishment channel 4 to the corresponding second channel 3. Through continuous low-flow circulation, the coolant in the second channel 3 is replaced, thereby achieving the purpose of exhausting and replenishing the coolant in the second channel 3.

[0060] Optionally, refer to Figures 2 to 5 The main body 1 includes a first wall 11, which encloses an exhaust and water supply channel 4. The first wall 11 is provided with a first through hole 111 and a second through hole 112. The first through hole 111 connects the first microchannel 5 and the exhaust and water supply channel 4, and the second through hole 112 connects the second microchannel 6 and the exhaust and water supply channel 4.

[0061] The first microchannel 5 is connected to the exhaust water supply channel 4 through the first through hole 111, and the second microchannel 6 is connected to the exhaust water supply channel 4 through the second through hole 112, so that the coolant and gas in the second channel 3 can flow out, and the degassed coolant can flow into the second channel 3, realizing the expansion overflow, water supply and degassed function of the second channel 3.

[0062] Optionally, the diameter of the first through hole 111 is d1, satisfying: 1mm≤d1≤3mm; the diameter of the second through hole 112 is d2, satisfying: 1mm≤d2≤3mm.

[0063] The diameter of the first through hole 111 and the diameter of the second channel 3 are both limited to the range of 1mm to 3mm, so that the coolant and gas in the second channel 3 can be discharged, and the flow rate of the discharged coolant can be limited to reduce the problem of insufficient coolant flow in the circuit due to excessive discharged coolant flow.

[0064] The diameter d1 of the first through hole 111 can be 1mm, 1.1mm, 1.2mm, 1.5mm, 1.7mm, 1.8mm, 2.0mm, 2.2mm, 2.5mm, 2.7mm, 2.8mm, or 3mm, etc. The diameter d2 of the second through hole 112 can be 1mm, 1.1mm, 1.2mm, 1.5mm, 1.7mm, 1.8mm, 2.0mm, 2.2mm, 2.5mm, 2.7mm, 2.8mm, or 3mm, etc.

[0065] Optionally, refer to Figures 2 to 4 The second through hole 112 is closer to the kettle 7 than the first through hole 111; the main body 1 also includes a partition, which is located in the exhaust water supply channel 4 and between the first through hole 111 and the second through hole 112.

[0066] The second through hole 112 is closer to the kettle, so that the pressure at the first through hole 111 is greater than the pressure at the second through hole 112. Since there is a pressure difference between the connection between the first microchannel 5 and the second channel 3 and the connection between the second microchannel 6 and the second channel 3, the fluid is driven to flow out from the first microchannel 5. The second through hole can draw in the coolant in the first exhaust water supply channel and flow into the second microchannel 6, thereby forming a circuit.

[0067] The baffle is positioned between the first through hole 111 and the second through hole 112 to reduce the amount of coolant and gas mixture flowing out of the first through hole 111 from re-entering the second channel 3 through the second through hole 112, thereby achieving exhaust in the second channel 3.

[0068] Optionally, refer to Figure 2 The partition is constructed as a partition plate 81. One end of the partition plate 81 is located on the first wall 11 and between the first through hole 111 and the second through hole 112. The other end of the partition plate 81 extends toward the direction close to the second through hole 112.

[0069] Specifically, one end of the baffle 81 is connected to the first wall 11 between the first through hole 111 and the second through hole 112, and the other end of the baffle 81 extends toward the second through hole 112 and is radially along the exhaust water supply channel 4, with the other end of the baffle 81 spaced apart from the second through hole 112. The baffle 81 guides the mixture of coolant and gas flowing out of the first through hole 111, isolating the mixture of coolant and gas flowing out of the first through hole 111 on the side away from the second through hole 112, and allowing it to flow into the water tank 7 from the side away from the second through hole 112. This reduces the likelihood of the mixture of coolant and gas flowing out of the first through hole 111 re-entering the second microchannel 6 through the second through hole 112, thereby improving the exhaust efficiency in the second channel 3.

[0070] For example, the baffle 81 may be an arc-shaped structure and protrude toward the exhaust water supply channel 4 to guide the mixture of coolant and gas flowing out from the first through hole 111.

[0071] Optionally, refer to Figures 2 to 4 The main body 1 includes a second wall 13, which is disposed in the exhaust water supply channel 4 to divide the exhaust water supply channel 4 into a first exhaust water supply channel 41 and a second exhaust water supply channel 42. The first through hole 111 and the second through hole 112 are both connected to the first exhaust water supply channel 41.

[0072] The second wall 13 divides the exhaust water supply channel 4 into a first exhaust water supply channel 41 and a second exhaust water supply channel 42. For example, the first exhaust water supply channel 41 serves as the inlet channel for the water tank 7, and the second exhaust water supply channel 42 serves as the outlet channel for the water tank 7. The mixture of coolant and gas in the second channel 3 can enter the first exhaust water supply channel 41 through the first through hole 111, thereby entering the water tank 7 for exhaust. After the coolant flows out of the water tank 7, it flows into the loop of the first channel 2 through the second exhaust water supply channel 42 for circulation. The coolant is then diverted into the first exhaust water supply channel 41 and enters the second channel 3 through the second through hole 112 and the second microchannel 6. After multiple circulations, the coolant flow rate and gas volume in the loop corresponding to the second channel 3 reach a predetermined state.

[0073] The first wall 11 includes a first section and a second section connected together. The first section is located within the exhaust water supply channel 4, and the second section is located within the first channel 2 and extends towards the inlet end of the first channel 2, thus dividing the inlet end of the first channel 2 into two channels to divert the coolant entering the first channel 2. This allows a portion of the coolant entering the first channel 2 to flow into the exhaust water supply channel 4, such as the first exhaust water supply channel 41, while the other portion continues to circulate within the corresponding loop of the first channel 2. The first channel 2 has a third wall, and the first wall 11 is connected to the third wall. Along the radial direction of the first channel 2, the third wall has a first side and a second side arranged opposite to each other. The first wall 11 is connected to the first side, and the second section is closer to the first side than the second side, so that a smaller portion of the coolant entering the first channel 2 enters the exhaust water supply channel 4, thus not affecting the circulation flow rate of the coolant within the corresponding loop of the first channel 2.

[0074] Optionally, refer to Figure 3 and Figure 5 The partition is constructed as at least one perforated plate 82, which is connected to the first wall 11 and the second wall 13. The perforated plate 82 includes a first hole 821 and a second hole 822. The first hole 821 is closer to the second wall 13 than the second hole 822, and the diameter of the first hole 821 is larger than the diameter of the second hole 822.

[0075] The diameter of the first hole 821 is larger on the side closer to the second wall 13 and smaller on the side closer to the first wall 11. When the coolant passes through the first exhaust water supply channel 41, the flow rate through the first hole 821 is greater than the flow rate through the second hole 822. In other words, a larger flow rate of the coolant-gas mixture flowing out of the first through hole 111 flows out of the first hole 821, specifically the side closer to the second wall 13, which is greater than the side closer to the first through hole 111 and the second through hole 112. This reduces the amount of coolant-gas mixture flowing out of the first through hole 111 entering the second through hole 112, and consequently reduces the amount of coolant-gas mixture flowing out of the first through hole 111 re-entering the second channel 3. It should be noted that the perforated plate 82 reduces the flow rate of the coolant in the first exhaust channel, allowing the coolant-gas mixture flowing out of the first through hole 111 to mix thoroughly with the existing coolant in the first exhaust channel, thereby improving the coolant displacement efficiency and the coolant exhaust efficiency.

[0076] For example, from the second wall 13 to the first through hole 111 and the second through hole 112, the diameter of the through holes on the porous plate 82 gradually decreases, so as to guide the mixture of coolant and gas flowing out of the first through hole 111 as far away from the second through hole 112 as possible, thereby reducing the amount of coolant and gas mixture flowing out of the first through hole 111 being drawn back into the second through hole 112 and then into the second channel 3 through the second microchannel 6.

[0077] Optionally, refer to Figure 4 The partition is constructed as a plurality of baffles 83. Along the thickness direction of the second wall 13, there is a gap between adjacent baffles 83. The size of the gap near the first wall 11 is smaller than the size of the gap near the second wall 13.

[0078] The size of the gap near the first wall 11 is smaller than the size of the gap near the second wall 13, so as to guide the mixture of coolant and gas flowing out of the first through hole 111 as low as possible away from the second through hole 112, preventing the mixture of coolant and gas flowing out of the first through hole 111 from being drawn back into the second through hole 112. At the same time, the arrangement of multiple baffles 83 can reduce the flow rate of coolant in the first exhaust channel, enabling the mixture of coolant and gas flowing out of the first through hole 111 to be fully mixed with the original coolant in the first exhaust channel, thereby improving the coolant displacement efficiency and the coolant exhaust efficiency.

[0079] For example, the multiple baffles 83 can be configured in a maze structure, with the gap between adjacent baffles 83 near the first wall 11 being smaller than the gap between adjacent baffles 83 near the second wall 13.

[0080] Secondly, embodiments of this application provide a thermal management module, including the water-side flow channel plate described in any of the above embodiments. The thermal management module in this application, including the water-side flow channel plate described in any of the above embodiments, has the beneficial effects described in any of the above embodiments.

[0081] Thirdly, embodiments of this application provide a vehicle including any of the water-side flow channel plates described above. The vehicle in this application embodiment includes any of the water-side flow channel plates or thermal management modules described above, and has the beneficial effects of the water-side flow channel plates or thermal management modules described in any of the above embodiments, capable of simultaneously satisfying the expansion overflow, venting, and water replenishment of each circuit under various operating conditions.

[0082] Taking a circuit with a motor and a circuit with a battery as an example, the circuit corresponding to the first channel 2 can be a battery circuit, and the circuit corresponding to the second channel 3 can be a motor circuit. The motor circuit contains a motor-driven water pump 104, and the battery circuit contains a battery-driven water pump 101. The motor circuit and the battery circuit can be connected in series or operated independently via a multi-way valve 103. When the motor circuit and the battery circuit operate independently, the route for the battery circuit is: multi-way valve 103, battery-driven water pump 101, battery cooler 102, external connector 105, multi-way valve 103; the route for the motor circuit is: multi-way valve 103, motor-driven water pump 104, external connector 105, multi-way valve 103. (Reference) Figure 6The exhaust and water replenishment channel 4, which is connected to the water bottle 7, is connected to the battery circuit. One end of the first microchannel 5 is connected to the rear side of the liquid outlet of the motor water pump 104, and the other end is connected to the first exhaust and water replenishment channel 41 through the first through hole 111. One end of the second microchannel 6 is connected to the front side of the liquid inlet of the motor water pump 104, and the other end is connected to the first exhaust and water replenishment channel 41 through the second through hole 112. When the motor circuit and battery circuit operate independently, the coolant in the battery circuit flows into the first channel 2 from the multi-way valve 103. At the inlet of the first channel 2, the coolant is split, with one portion entering the first exhaust water supply channel 41 and the other continuing to flow into the battery water pump 101. Simultaneously, the coolant flowing from the kettle 7 enters the first channel 2 through the second exhaust water supply channel 42, mixes with the existing coolant in the first channel 2, and then flows into the battery cooler 102, external connector 105, and then back to the multi-way valve 103 for circulation. The coolant in the motor water pump 104 enters from the multi-way valve 103, circulates through the motor water pump 104, external connector 105, and multi-way valve 103. Due to the interaction between the inlet of the motor water pump 104 and the motor... There is a pressure difference between the outlet and the rear side of the water pump 104. This pressure difference can drive the coolant in the second channel 3 to split at the first microchannel 5. The coolant flows out through the first microchannel 5 to the first exhaust water supply channel 41. Under the action of the coolant split by the first channel 2, the coolant flowing out of the first microchannel 5 is guided to the degassing zone of the expansion tank 7 for degassing. The second microchannel 6 can draw in the coolant mixed with the coolant flowing out of the first through hole 111 and the coolant split by the first channel 2 in the first exhaust water supply channel 41, and then guide it into the corresponding second channel 3. Through continuous low-flow circulation, the coolant in the second channel 3 is replaced, thereby achieving the purpose of venting and replenishing the coolant in the second channel 3. The design of the flow channel plate in this application can simultaneously meet the expansion overflow, venting and replenishing of each circuit under various operating conditions.

[0083] It should also be noted that the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0084] The various embodiments in this specification are described in a progressive manner. Similar or identical parts between embodiments can be referred to interchangeably. Each embodiment focuses on describing the differences from other embodiments. In particular, the system embodiments are basically similar to the method embodiments, so the description is relatively simple; relevant parts can be referred to the descriptions in the method embodiments.

[0085] The above description is merely an embodiment of this application and is not intended to limit the scope of this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of the claims of this application.

[0086] Although embodiments of this application have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of this application, and such modifications and variations all fall within the scope defined by the appended claims.

Claims

1. A water-side flow channel plate characterized by, The utility model relates to a kettle, including: A body part (1); A first channel (2) and a plurality of second channels (3), the first channel (2) and a plurality of the second channels (3) are all arranged in the body part (1), the first channel (2) and a plurality of the second channels (3) correspond to different circuits respectively; An exhaust water replenishing channel (4) is arranged in the body part (1), and the exhaust water replenishing channel (4) is communicated with the first channel (2); A plurality of first microchannels (5) and a plurality of second microchannels (6), a plurality of the first microchannels (5) and a plurality of the second microchannels (6) are all arranged in the body part (1), one end of each first microchannel (5) and one end of corresponding second microchannel (6) are all communicated with corresponding second channel (3), the other end of each first microchannel (5) and the other end of corresponding second microchannel (6) are all communicated with the first channel (2) or the exhaust water replenishing channel (4), and the one end of each first microchannel (5) communicated with corresponding second channel (3) and the one end of corresponding second microchannel (6) connected with corresponding second channel (3) have a pressure difference.

2. The water side runner plate of claim 1, wherein The body part (1) includes a first wall (11), the first wall (11) surrounds the exhaust water replenishing channel (4), the first wall (11) is provided with a first through hole (111) and a second through hole (112), the first through hole (111) communicates the first microchannel (5) with the exhaust water replenishing channel (4), and the second through hole (112) communicates the second microchannel (6) with the exhaust water replenishing channel (4).

3. The water side runner plate of claim 2, wherein The second through hole (112) is closer to a kettle (7) than the first through hole (111); The body part (1) further includes a barrier part, and the barrier part is arranged in the exhaust water replenishing channel (4) and located between the first through hole (111) and the second through hole (112).

4. The water side runner plate of claim 3, wherein The barrier part is configured as a baffle (81), one end of the baffle (81) is arranged in the first wall (11) and located between the first through hole (111) and the second through hole (112), and the other end of the baffle (81) extends towards a direction close to the second through hole (112).

5. The water side runner plate of claim 3 wherein, The body part (1) includes a second wall (13), the second wall (13) is arranged in the exhaust water replenishing channel (4) to separate the exhaust water replenishing channel (4) into a first exhaust water replenishing channel (41) and a second exhaust water replenishing channel (42), and the first through hole (111) and the second through hole (112) are both communicated with the first exhaust water replenishing channel (41).

6. The water side runner plate of claim 5 wherein, The barrier part is configured as at least one porous plate (82), the porous plate (82) is connected with the first wall (11) and the second wall (13), the porous plate (82) includes a first hole (821) and a second hole (822), the first hole (821) is closer to the second wall (13) than the second hole (822), and the aperture of the first hole (821) is larger than the aperture of the second hole (822).

7. The water side runner plate of claim 5 wherein, The barrier portion is configured as a plurality of baffles (83) having gaps between adjacent baffles (83) in the thickness direction of the second wall (13), and the size of the gaps near the first wall (11) is smaller than the size of the gaps near the second wall (13).

8. The water side runner plate of claim 2 wherein, The first through hole (111) has a hole diameter d1, and 1mm≤d1≤3mm is satisfied; the second through hole (112) has a hole diameter d2, and 1mm≤d2≤3mm is satisfied.

9. A thermal management module, characterized by, A water-side channel plate according to any one of claims 1-8.

10. A vehicle characterized by comprising: A water-side channel plate according to any one of claims 1-8 or a thermal management module according to claim 9.

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