Power van thermal management system

Abstract

The utility model discloses a power van thermal management system which comprises a plurality of radiator units, and each radiator unit comprises a low-temperature water radiator and a high-temperature water radiator which are fixedly arranged on a radiator support. The high-temperature water dissipation liquid inlet pipeline comprises a water conveying pipe, the water conveying pipe is connected with flow dividing hoses with the same number as the radiator units, and the high-temperature water dissipation liquid outlet pipeline, the low-temperature water dissipation liquid inlet pipeline and the low-temperature water dissipation liquid outlet pipeline are all the same as the high-temperature water dissipation liquid inlet pipeline in pipeline structure. The high-temperature water radiator liquid inlet pipeline and the high-temperature water radiator liquid outlet pipeline are respectively connected with a water inlet chamber and a water outlet chamber of the high-temperature water radiator through shunting hoses, and the low-temperature water radiator liquid inlet pipeline and the low-temperature water radiator liquid outlet pipeline are respectively connected with a water inlet chamber and a water outlet chamber of the low-temperature water radiator through shunting hoses; the LED lamp has the advantages of being high in heat dissipation efficiency, good in heat dissipation effect, simple in structure, convenient to disassemble and assemble, convenient to maintain and the like.

Description

Technical Field

[0001] This utility model relates to the field of vehicle heat dissipation technology, specifically a power vehicle thermal management system. Background Technology

[0002] Power supply vehicles provide essential emergency power for power, communication, and disaster relief sites. With increasing market demand, power supply vehicles are gaining popularity. Power supply vehicles typically use an engine as their power source, which drives a generator to convert mechanical energy into electrical energy, thus providing power output. The generator is the core component of the power supply vehicle, capable of providing stable power in a short time. In addition, the power supply vehicle is equipped with an intercooler, whose main function is to reduce intake air temperature, increase air density and charging efficiency, thereby improving engine power and performance. Therefore, the thermal management system of the power supply vehicle needs to cool the engine and intercooler in a timely manner. Existing vehicle radiators typically include low-temperature water radiators and high-temperature water radiators. Patent publication number CN200958419Y discloses a water radiator for a military vehicle engine, specifically including low-temperature and high-temperature water radiators, stacked on top of each other and bolted together. The stacked low-temperature circulating water radiator adopts a plate-fin structure. However, due to the large amount of heat generated by the power supply vehicle equipment, using only one set of cooling units results in low cooling efficiency and poor heat dissipation effect. Utility Model Content

[0003] The technical problem to be solved by this utility model is to overcome the existing defects and provide a power vehicle thermal management system with high heat dissipation efficiency, good heat dissipation effect, simple structure, reasonable and orderly pipeline layout, convenient disassembly and assembly, and easy maintenance, which can effectively solve the problems in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a power vehicle thermal management system, comprising multiple horizontally arranged radiator units, and further comprising a high-temperature water inlet pipe, a high-temperature water outlet pipe, a low-temperature water inlet pipe, and a low-temperature water outlet pipe connected to the radiator units. Each radiator unit includes a radiator bracket, on which a low-temperature water radiator and a high-temperature water radiator are fixedly mounted. The high-temperature water inlet pipe includes a water supply pipe, to which a number of branch hoses equal to the number of radiator units are connected. The high-temperature water outlet pipe, the low-temperature water inlet pipe, and the low-temperature water outlet pipe all have the same pipe structure as the high-temperature water inlet pipe. Each high-temperature water inlet pipe is connected to its... The distribution hoses are connected to the inlet chamber of the high-temperature water radiator, and the high-temperature water discharge lines are all connected to the outlet chamber of the high-temperature water radiator through their distribution hoses. The low-temperature water inlet lines are all connected to the inlet chamber of the low-temperature water radiator through their distribution hoses, and the low-temperature water discharge lines are all connected to the outlet chamber of the low-temperature water radiator through their distribution hoses. An expansion tank is also installed on the radiator bracket of one of the radiator units. The inlet and outlet chambers of the low-temperature water radiator are connected to the expansion tank through vent pipe one, and the inlet and outlet chambers of the high-temperature water radiator are connected to the expansion tank through vent pipe two. The low-temperature water discharge line is connected to the expansion tank through water supply pipe one, and the high-temperature water discharge line is connected to the expansion tank through water supply pipe two.

[0005] Furthermore, the high-temperature water radiator and the low-temperature water radiator of the radiator unit are stacked one on top of the other, and side plates are fixedly provided on the opposite two sides of the low-temperature water radiator and the opposite two sides of the high-temperature water radiator. The side plates of the low-temperature water radiator and the high-temperature water radiator are positioned corresponding to each other, and multiple connection holes are provided on the side plates along their length. The radiator bracket is provided with flanges at the positions of the corresponding side plates, and connection holes are provided at the positions of the flanges corresponding to the connection holes. The low-temperature water radiator and the high-temperature water radiator are fixedly connected to the radiator bracket by long bolts passing through their connection holes and connection holes.

[0006] Furthermore, a partition frame is provided between the low-temperature water radiator and the high-temperature water radiator. The partition frame is provided with a connection hole three at the position corresponding to the connection hole one, and a long bolt passes through the corresponding connection hole three. Multiple support rods are provided between the two opposite sides of the partition frame one, and buffer pads are provided along the edge contour of the upper and lower surfaces of the partition frame.

[0007] Furthermore, the radiator bracket has four legs at the bottom corners, and the adjacent legs are connected by bolts to a fixing plate. The fixing plate has ear plates, and each ear plate has two clamps. The clamps are used to clamp and fix the corresponding water pipes, and the water pipes are all rigid pipes.

[0008] Furthermore, the water supply pipe is a blind pipe structure, and the open end of the water supply pipe is connected to a connecting hose through a ball valve. The end of the connecting hose away from the ball valve is connected to a pipe interface. Each connecting hose is connected to a drain pipe, and each drain pipe is equipped with a ball valve.

[0009] Furthermore, the diversion hose is connected to its corresponding water supply pipe via a ball valve. The diversion hose includes a rubber tube, with annular grooves coaxially arranged on both ends of the rubber tube. Pipe fittings are inserted into the annular grooves at both ends of the rubber tube. Crimping collars are fitted on the outer walls of both ends of the rubber tube, and the rubber tube, pipe fittings, and crimping collars are crimped and fixed together. A flange is also fixed on the pipe fitting. The diversion hose has the same structure as the connecting hose.

[0010] Furthermore, the expansion tank is vertically equipped with a partition, which divides the internal cavity of the expansion tank into a low-temperature water chamber and a high-temperature water chamber. Both the low-temperature water chamber and the high-temperature water chamber are vertically equipped with flow stabilizing plates, and the flow stabilizing plates have through holes in the middle and bottom. The top of the expansion tank is equipped with an expansion valve and a manual water supply valve at the corresponding positions of the low-temperature water chamber and the high-temperature water chamber. The first water supply pipe and the first exhaust pipe are both connected to the low-temperature water chamber of the expansion tank, and the second water supply pipe and the second exhaust pipe are both connected to the high-temperature water chamber of the expansion tank.

[0011] Furthermore, it also includes an automatic water replenishment unit, which includes a water replenishment pump. The inlet of the water replenishment pump is connected to a water pumping pipe, and the outlet of the water replenishment pump is connected to two water replenishment pipes. The two water replenishment pipes are respectively connected to a high-temperature water discharge pipeline and a low-temperature water discharge pipeline. Each water replenishment pipe is equipped with a ball valve.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: In this power vehicle thermal management system, the high-temperature water radiators of multiple radiator units are connected in parallel through high-temperature water inlet and outlet pipes, and the low-temperature water radiators of multiple radiator units are connected in parallel through low-temperature water inlet and outlet pipes. The thermal management system has high heat dissipation efficiency and good heat dissipation effect. The expansion tank is an integrated high and low temperature expansion tank with a simple structure and small space occupation. By opening the corresponding ball valve, the water accumulated in the radiator unit is discharged from the drain pipe, and the pipeline does not need to be disassembled when maintaining the thermal management system, which is convenient for maintenance. The low-temperature water radiators and high-temperature water radiators are stacked and fixed to the radiator bracket with long bolts, which is convenient for assembly. The low-temperature water radiators and high-temperature water radiators are separated by the spacer frame, which improves the heat dissipation efficiency. This power vehicle thermal management system has high heat dissipation efficiency, good heat dissipation effect, simple structure, reasonable and orderly pipeline layout, convenient disassembly and assembly, and is easy to maintain. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 This is an isometric drawing of the present invention;

[0015] Figure 3 This is a schematic diagram of the heat sink unit structure of this utility model;

[0016] Figure 4 This is an exploded view of the radiator unit of this utility model;

[0017] Figure 5 This is a partial enlarged view of the low-temperature water radiator of this utility model;

[0018] Figure 6 This is a partial enlarged view of the partition frame of this utility model;

[0019] Figure 7 This is a schematic diagram of the connection structure between the heat sink brackets of this utility model;

[0020] Figure 8 This is a schematic diagram of the high-temperature water inlet pipeline structure of this utility model;

[0021] Figure 9 This is a schematic diagram of the diversion hose structure of this utility model;

[0022] Figure 10 This is a partial cross-sectional view of the diversion hose of this utility model;

[0023] Figure 11 This is a schematic diagram of the expansion tank pipeline connection of this utility model;

[0024] Figure 12 This is a cross-sectional view of the expansion tank of this utility model;

[0025] Figure 13 This is a schematic diagram of the water replenishment unit structure of this utility model.

[0026] In the diagram: 1. Radiator unit; 101. Radiator bracket; 1011. Support leg; 1012. Fixing plate; 1013. Ear plate; 1014. Clamp; 102. Low-temperature water radiator; 103. Spare plate frame; 1031. Support rod; 1032. Buffer pad; 104. High-temperature water radiator; 105. Long bolt; 106. Side plate; 1061. Connection hole one; 2. High-temperature water inlet pipe; 21. Connecting hose; 22. Ball valve one; 23. Water supply pipe; 24. Drain pipe; 25. Ball valve two; 3. 1. High-temperature water dispensing pipeline; 4. Low-temperature water dispensing inlet pipeline; 5. Low-temperature water dispensing outlet pipeline; 6. Diverter hose; 61. Rubber hose; 62. Crimped collar; 63. Pipe fitting; 64. Flange; 7. Expansion tank; 71. Partition plate; 72. Low-temperature water chamber; 73. High-temperature water chamber; 74. Flow stabilizer plate; 75. Water supply pipe one; 76. Water supply pipe two; 77. Exhaust pipe one; 78. Exhaust pipe two; 8. Automatic water supply unit; 81. Water supply pump; 82. Water supply pipe three; 83. Pumping pipe; 9. Ball valve three. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example

[0028] Please see Figure 1-13 This utility model provides a technical solution: a power vehicle thermal management system, including multiple horizontally arranged radiator units 1. In this embodiment, the number of radiator units 1 is four. It also includes a high-temperature water inlet pipe 2, a high-temperature water outlet pipe 3, a low-temperature water inlet pipe 4, and a low-temperature water outlet pipe 5 connected to the radiator units 1. The radiator unit 1 includes a radiator bracket 101, on which a low-temperature water radiator 102 and a high-temperature water radiator 104 are fixedly mounted.

[0029] The high-temperature water radiator 104 and the low-temperature water radiator 102 of the radiator unit 1 are stacked vertically. Side plates 106 are fixedly provided on opposite sides of the low-temperature water radiator 102, and side plates 106 are also fixedly provided on opposite sides of the high-temperature water radiator 104. The positions of the side plates 106 of the low-temperature water radiator 102 and the high-temperature water radiator 104 correspond to each other. Multiple connecting holes 1061 are provided along the length of each side plate 106. Flanges are provided on the radiator bracket 101 at the positions corresponding to the side plates 106, and these flanges are located at the positions corresponding to the connecting holes 1061. Both are provided with connection hole 2. The low temperature water radiator 102 and the high temperature water radiator 104 are fixedly connected to the radiator bracket 101 by long bolts 105 passing through connection hole 1061 and connection hole 2. The radiator bracket 101 is provided with an air guide shroud below the low temperature water radiator 102. The air guide shroud is provided with a cooling fan (not shown in the figure). The four corners of the bottom of the radiator bracket 101 are provided with support legs 1011. The adjacent support legs 1011 are connected by bolts with fixing plates 1012. The fixing plates 1012 are provided with ear plates 1013. Each ear plate 1013 is provided with two clamps 1014.

[0030] A partition frame 103 is provided between the low-temperature water radiator 102 and the high-temperature water radiator 104. The partition frame 103 is provided with a connection hole 1033 at the position of the corresponding connection hole 1061, and a long bolt 105 passes through the corresponding connection hole 1033. Multiple support rods 1031 are provided between the two opposite sides of the partition frame 103. The upper and lower surfaces of the partition frame 103 are provided with buffer pads 1032 along their edge contours.

[0031] The high-temperature water inlet pipeline 2 includes a water supply pipe 23, all of which are rigid pipes. Each water supply pipe 23 is fixed to the support leg 1011 of the radiator bracket 10 by a corresponding clamp 1014. The water supply pipe 23 is connected to a number of diversion hoses 6, the same as the number of radiator units 1. The water supply pipe 23 is a blind pipe structure. The open end of the water supply pipe 23 is connected to a connecting hose 21 through a ball valve 22. The end of the connecting hose 21 away from the ball valve 22 is connected to a pipe interface. Each connecting hose 21 is connected to a drain pipe 24, and each drain pipe 24 is equipped with a ball valve 25.

[0032] The high-temperature water outlet pipe 3, the low-temperature water inlet pipe 4, and the low-temperature water outlet pipe 5 all have the same pipe structure as the high-temperature water inlet pipe 2. The high-temperature water inlet pipe 2 is connected to the inlet chamber of the high-temperature water radiator 104 via its branch hose 6; the high-temperature water outlet pipe 3 is connected to the outlet chamber of the high-temperature water radiator 104 via its branch hose 6; the low-temperature water inlet pipe 4 is connected to the inlet chamber of the low-temperature water radiator 102 via its branch hose 6; and the low-temperature water outlet pipe 5 is connected to the outlet chamber of the low-temperature water radiator 102 via its branch hose 6. The outlet chamber of 102 is connected; an expansion tank 7 is also provided on the radiator bracket 101 of one of the radiator units 1. The expansion tank 7 is vertically provided with a partition 71, which divides the internal cavity of the expansion tank 7 into a low-temperature water chamber 72 and a high-temperature water chamber 73. Both the low-temperature water chamber 72 and the high-temperature water chamber 73 are vertically provided with a flow stabilizing plate 74. The flow stabilizing plate 74 has through holes in the middle and bottom. The top of the expansion tank 7 is provided with an expansion valve, a manual water supply valve and a level gauge at the corresponding positions of the low-temperature water chamber 72 and the high-temperature water chamber 73.

[0033] The inlet and outlet chambers of the low-temperature water radiator 102 are connected to the low-temperature water chamber 72 of the expansion tank 7 via exhaust pipe 1 77. The inlet and outlet chambers of the high-temperature water radiator 104 are connected to the high-temperature water chamber 73 of the expansion tank 7 via exhaust pipe 2 78. The low-temperature water discharge pipe 5 is connected to the low-temperature water chamber 72 of the expansion tank 7 via water supply pipe 1 75. The high-temperature water discharge pipe 3 is connected to the high-temperature water chamber 73 of the expansion tank 7 via water supply pipe 2 76.

[0034] It also includes an automatic water replenishment unit 8, which includes a water replenishment pump 81. The inlet of the water replenishment pump 81 is connected to a water pumping pipe 83. The outlet of the water replenishment pump 81 is connected to two water replenishment pipes 82. The two water replenishment pipes 82 are respectively connected to the high temperature water discharge pipeline 3 and the low temperature water discharge pipeline 5. Each water replenishment pipe 82 is equipped with a ball valve.

[0035] Working principle:

[0036] The water circulation system of the power vehicle engine flows from the connecting hose 21, water supply pipe 23, and branch hose 6 of the high-temperature water inlet pipe 2 to the high-temperature water radiator 104, where it cools the engine's water circulation system. The water cooled by the high-temperature water radiator 104 flows back to the engine's water circulation system through the branch hose 6, water supply pipe 23, and connecting hose 21 of the high-temperature water outlet pipe 3, where it cools the engine again. The high-temperature water radiators 104 of radiator unit 1 are connected in parallel through the high-temperature water inlet pipe 2 and the high-temperature water outlet pipe 3. The four high-temperature water radiators 104 connected in parallel among the four radiator units 1 simultaneously cool the engine's water circulation system, resulting in high cooling efficiency.

[0037] The water circulation of the intercooler in the power vehicle is directed from the connecting hose 21, water supply pipe 23, and branch hose 6 of the low-temperature water inlet pipe 4 to the low-temperature water radiator 102. The low-temperature water radiator 102 dissipates heat from the water circulation of the intercooler. The water after being cooled by the low-temperature water radiator 102 flows back to the water circulation of the intercooler through the branch hose 6, water supply pipe 23, and connecting hose 21 of the low-temperature water outlet pipe 5, and dissipates heat from the intercooler. The low-temperature water radiators 102 of the radiator unit 1 are connected in parallel through the low-temperature water inlet pipe 4 and the low-temperature water outlet pipe 5. The low-temperature water radiators 102 connected in parallel among the four radiator units 1 simultaneously dissipate heat from the water circulation of the intercooler, resulting in high heat dissipation efficiency.

[0038] The expansion tank 7 reduces water pressure fluctuations in the low-temperature water radiator 102 and the high-temperature water radiator 104, improving the safety and reliability of the radiator unit operation. The expansion tank 7 also contains a low-temperature water chamber 72 and a high-temperature water chamber 73. As a high- and low-temperature integrated expansion tank, the expansion tank 7 has a simple structure, occupies little space, and is easy to assemble. When the thermal management system needs to drain its internal water during maintenance, the water accumulated in the radiator unit 1 can be drained from the drain pipe 24 by opening the corresponding ball valve 25, without disassembling the pipeline, facilitating maintenance.

[0039] The low-temperature water radiator 102 and the high-temperature water radiator 104 of radiator unit 1 are stacked on top of each other and fixed to the radiator bracket 101 by long bolts 105, which is convenient for assembly. The low-temperature water radiator 102 and the high-temperature water radiator 104 are separated by the partition frame 103, which facilitates the flow of cooling air and improves the heat dissipation efficiency. When the power vehicle moves and shakes, the buffer pad 1032 provided on the partition frame 103 cushions the low-temperature water radiator 102 and the high-temperature water radiator 104. The heat dissipation brackets 101 between radiator units 1 are fixed to each other by bolts and fixing plates 1012, and the corresponding water pipes 23 are fixed by the clamps 1014 provided on the fixing plates 1012. The thermal management system has a simple structure and the pipelines are arranged in an orderly manner.

[0040] When the radiator water circulation system needs to be replenished, the liquid level inside the expansion tank 7 can be detected by the liquid level gauge. When the liquid level in the expansion tank 7 is lower than the set value, the water replenishment pump 81 is turned on. The water replenishment pump 81 replenishes water to the high temperature water discharge line 3 or the low temperature water discharge line 5 through the water replenishment pipe 3 82, thus completing automatic water replenishment. If the automatic water replenishment unit 8 cannot work properly, water can also be replenished to the low temperature water chamber 72 and the high temperature water chamber 73 in the expansion tank 7 through the manual water replenishment valve. The water in the low temperature water chamber 72 flows to the low temperature water discharge line 5 through the water replenishment pipe 1 75, and the water in the high temperature water chamber 73 flows to the high temperature water discharge line 3 through the water replenishment pipe 2 76, thus completing manual water replenishment.

[0041] Furthermore, the diversion hose 6 is connected to its corresponding water supply pipe 23 via ball valve 3 9. The diversion hose 6 includes a rubber hose 61, with annular grooves coaxially arranged on both ends of the rubber hose 61. A pipe fitting 63 is inserted into the annular grooves at both ends of the rubber hose 61. A crimping collar 62 is fitted on the outer wall of both ends of the rubber hose 61. The rubber hose 61, the pipe fitting 63, and the crimping collar 62 are crimped and fixed together. A flange 64 is also fixed on the pipe fitting 63. The diversion hose 6 has the same structure as the connecting hose 21. The pipe fittings 63 at both ends of the rubber hose 61 are crimped and fixed by the crimping collar 62, which improves the sealing and stability of the diversion hose 6 structure and prevents leakage caused by thermal expansion and contraction.

[0042] The power vehicle thermal management system disclosed in this embodiment features multiple high-temperature water radiators 104 of radiator units 1 connected in parallel via high-temperature water inlet pipe 2 and high-temperature water outlet pipe 3, and multiple low-temperature water radiators 102 of radiator units 1 connected in parallel via low-temperature water inlet pipe 4 and low-temperature water outlet pipe 5. This thermal management system boasts high heat dissipation efficiency and excellent heat dissipation effect. The expansion tank 7 is an integrated high and low temperature expansion tank with a simple structure and small footprint. Opening the corresponding ball valve 25 allows the radiator units... Water accumulated in the system is drained through drain pipe 24, eliminating the need to disassemble the piping during maintenance of the thermal management system, thus facilitating repairs. The low-temperature water radiator 102 and the high-temperature water radiator 104 are stacked together and fixed to the radiator bracket 101 by long bolts 105, making assembly convenient. The low-temperature water radiator 102 and the high-temperature water radiator 104 are separated by a spacer frame 103, improving heat dissipation efficiency. This power vehicle thermal management system has high heat dissipation efficiency, good heat dissipation effect, simple structure, reasonable and orderly piping layout, and is easy to disassemble and maintain.

[0043] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art 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 appended claims and their equivalents.

Claims

1. A power vehicle thermal management system, comprising multiple horizontally arranged radiator units, and further comprising a high-temperature water inlet pipe, a high-temperature water outlet pipe, a low-temperature water inlet pipe, and a low-temperature water outlet pipe connected to the radiator units, characterized in that: The radiator unit includes a radiator bracket, on which a low-temperature water radiator and a high-temperature water radiator are fixedly mounted. The high-temperature water inlet pipe includes a water supply pipe, to which are connected a number of branch hoses equal to the number of radiator units. The high-temperature water outlet pipe, low-temperature water inlet pipe, and low-temperature water outlet pipe all have the same pipe structure as the high-temperature water inlet pipe. Each high-temperature water inlet pipe is connected to the inlet chamber of the high-temperature water radiator via its branch hose, and each high-temperature water outlet pipe is connected to the outlet chamber of the high-temperature water radiator via its branch hose. The warm water inlet pipes are all connected to the inlet chamber of the low-temperature water radiator through their respective branch hoses, and the low-temperature water outlet pipes are all connected to the outlet chamber of the low-temperature water radiator through their respective branch hoses. An expansion tank is also provided on the radiator bracket of one of the radiator units. The inlet and outlet chambers of the low-temperature water radiator are connected to the expansion tank through exhaust pipe one, and the inlet and outlet chambers of the high-temperature water radiator are connected to the expansion tank through exhaust pipe two. The low-temperature water outlet pipe is connected to the expansion tank through water supply pipe one, and the high-temperature water outlet pipe is connected to the expansion tank through water supply pipe two.

2. The power vehicle thermal management system according to claim 1, characterized in that: The high-temperature water radiator and the low-temperature water radiator of the radiator unit are stacked one on top of the other. Side plates are fixedly provided on the opposite two sides of the low-temperature water radiator and the opposite two sides of the high-temperature water radiator. The side plates of the low-temperature water radiator and the high-temperature water radiator are positioned corresponding to each other. Multiple connection holes are provided on the side plates along their length. The radiator bracket is provided with flanges at the positions of the corresponding side plates. Connection holes are provided on the flanges at the positions of the corresponding connection holes. The low-temperature water radiator and the high-temperature water radiator are fixedly connected to the radiator bracket by long bolts passing through the connection holes and connection holes.

3. The power vehicle thermal management system according to claim 2, characterized in that: A partition frame is provided between the low-temperature water radiator and the high-temperature water radiator. The partition frame is provided with a connection hole three at the position of the corresponding connection hole one, and a long bolt passes through the corresponding connection hole three. Multiple support rods are provided between the two opposite sides of the partition frame one. The upper and lower surfaces of the partition frame are provided with buffer pads along their edge contours.

4. The power vehicle thermal management system according to claim 1, characterized in that: The radiator bracket has four legs at the bottom corners. The adjacent legs are connected by bolts to a fixing plate. The fixing plate has ear plates and two clamps on each ear plate. The clamps are used to clamp and fix the corresponding water pipes. The water pipes are all rigid pipes.

5. A power vehicle thermal management system according to claim 1, characterized in that: The water supply pipe is a blind pipe structure. The open end of the water supply pipe is connected to a connecting hose through a ball valve. The end of the connecting hose away from the ball valve is connected to a pipe interface. Each connecting hose is connected to a drain pipe, and each drain pipe is equipped with a ball valve.

6. A power vehicle thermal management system according to claim 5, characterized in that: The diversion hose is connected to its corresponding water supply pipe via a ball valve. The diversion hose includes a rubber tube with an annular groove coaxially arranged on both ends. A pipe fitting is inserted into the annular groove at both ends of the rubber tube. A crimping collar is fitted on the outer wall of both ends of the rubber tube. The rubber tube, pipe fitting, and crimping collar are crimped and fixed together. A flange is also fixed on the pipe fitting. The diversion hose has the same structure as the connecting hose.

7. A power vehicle thermal management system according to claim 1, characterized in that: The expansion tank is vertically partitioned into a low-temperature water chamber and a high-temperature water chamber. Both the low-temperature and high-temperature water chambers are vertically equipped with flow stabilizing plates, with through holes in the middle and bottom of each plate. An expansion valve and a manual water supply valve are installed at the top of the expansion tank at the corresponding positions of the low-temperature and high-temperature water chambers. The first water supply pipe and the first exhaust pipe are connected to the low-temperature water chamber of the expansion tank, and the second water supply pipe and the second exhaust pipe are connected to the high-temperature water chamber of the expansion tank.

8. A power vehicle thermal management system according to claim 1, characterized in that: It also includes an automatic water replenishment unit, which includes a water replenishment pump. The water inlet of the water replenishment pump is connected to a water pumping pipe. Two water replenishment pipes are connected to the water outlet of the water replenishment pump. The two water replenishment pipes are respectively connected to a high-temperature water discharge pipeline and a low-temperature water discharge pipeline. Each water replenishment pipe is equipped with a ball valve.

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