Novel liquid cooling heat dissipation mechanism for vehicle-mounted power supply

Abstract

The utility model discloses a novel liquid cooling heat dissipation mechanism for a vehicle-mounted power supply, and relates to the technical field of novel vehicle-mounted power supply heat dissipation, the novel liquid cooling heat dissipation mechanism comprises a vehicle-mounted power supply box and a box cover, the vehicle-mounted power supply box is internally provided with a third heat conduction plate, and the bottom end of the interior of the vehicle-mounted power supply box is provided with a first cavity; and a second cavity is formed between the top of the first cavity and the third heat conduction plate, first heat conduction plates and partition plates which are matched with each other are transversely and vertically arranged at the top of the third heat conduction plate, and multiple sets of mounting cavities are formed between the multiple sets of first heat conduction plates and the partition plates in a staggered mode. During use, the first heat-conducting plate, the second heat-conducting plate and the partition plate are directly utilized to form the power module mounting cavity, the first heat-conducting plate extends into the second cavity, and cooling liquid circularly enters and exits the second cavity under the action of the water inlet pipe and the water outlet pipe; therefore, heat on the first heat conduction plate, the second heat conduction plate and the third heat conduction plate is transferred out, and the heat dissipation effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of novel vehicle-mounted power supply heat dissipation, in particular to a novel liquid cooling heat dissipation mechanism for a vehicle-mounted power supply. Background Art

[0002] The existing vehicle-mounted power supply box generally has devices that generate large amounts of heat, such as inductors, power modules, and IGBTs (Insulated Gate Bipolar Transistors). If the heat cannot be discharged in time, the service life of the devices will be affected. The existing heat dissipation structure mainly uses structures such as heat sinks to remove the heat from the heating devices through air cooling, so there is an urgent need for a vehicle-mounted power supply heat dissipation mechanism.

[0003] When the existing vehicle-mounted power supply heat dissipation mechanism is used, a cooling pipe is directly laid inside the power box, and then a circulating pump is used to circulate the coolant in the cooling pipe to complete the cooling and heat dissipation.

[0004] However, with the above structure, during use, since the laid cooling pipe is located inside the power box and uses coolant for cooling and heat dissipation, the cooling pipe is easily damaged during shaking, causing the coolant to leak, thereby damaging the power supply and posing a major safety hazard. Utility Model Content

[0005] Based on this, the purpose of the utility model is to provide a new liquid cooling and heat dissipation mechanism for a vehicle-mounted power supply, so as to solve the technical problem in the prior art that the laid cooling pipe is located inside the power box and uses coolant for cooling and heat dissipation, and the cooling pipe is easily damaged during shaking, causing the coolant to leak, thereby damaging the power supply and posing a major safety hazard.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a novel liquid cooling heat dissipation mechanism for a vehicle-mounted power supply, comprising a vehicle-mounted power supply box and a box cover, a third heat conducting plate is arranged inside the vehicle-mounted power supply box, a first cavity is opened at the bottom end of the interior of the vehicle-mounted power supply box, a second cavity is arranged between the top of the first cavity and the third heat conducting plate, the top of the third heat conducting plate is respectively provided with first heat conducting plates and partitions that cooperate with each other in the horizontal and vertical directions, a plurality of groups of installation cavities are arranged between the plurality of groups of the first heat conducting plates and partitions, and a second heat conducting plate that cooperates with the third heat conducting plate is arranged at the bottom of each group of installation cavities, a third cavity is arranged between the second heat conducting plate and the inner wall of the vehicle-mounted power supply box, fillers are arranged inside the first cavity and the third cavity, and a water inlet pipe and a water outlet pipe connected with the second cavity are respectively arranged at both ends of the vehicle-mounted power supply box.

[0007] By adopting the above technical solution, the power module installation cavity is composed of the first heat conducting plate, the second heat conducting plate and the partition, and the first heat conducting plate extends into the second cavity, and the coolant circulates in and out of the second cavity by utilizing the functions of the water inlet pipe and the water outlet pipe, thereby transferring the heat on the first heat conducting plate, the second heat conducting plate and the third heat conducting plate, thereby achieving the heat dissipation effect.

[0008] The utility model is further configured such that the top of the vehicle-mounted power supply box is connected to the box cover by bolts, and a sealing ring matching the vehicle-mounted power supply box is arranged at the bottom edge of the box cover.

[0009] By adopting the above technical solution, the box cover can be connected by utilizing the function of the bolts, and the sealing ring can be used to complete the sealing after the box cover is connected.

[0010] The utility model is further configured that a wire hole communicating with the interior of the installation cavity is provided on the outer side of the vehicle-mounted power supply box.

[0011] By adopting the above technical solution and utilizing the function of the wire-through hole, it is easy to connect the power module installed inside the vehicle-mounted power box with the wires connecting to the outside world, thereby completing the work.

[0012] The utility model is further configured that a sealing hole matching with the first heat conducting plate is opened on the top of the third heat conducting plate, and a sealing plate matching with the sealing hole is arranged on the outer side of the first heat conducting plate.

[0013] By adopting the above technical solution and utilizing the functions of the sealing hole and the sealing plate, it is convenient to seal the first heat conducting plate, thereby completing the work.

[0014] The utility model is further configured such that an inlet hole communicating with the third cavity is provided on the top of the vehicle-mounted power supply box, and a second sealing block matching with the inlet hole is provided on the bottom of the box cover.

[0015] By adopting the above technical solution and utilizing the function of the introduction hole, it is convenient to inject filler into the third cavity, and then use the second sealing block to seal it, so as to cooperate with subsequent work.

[0016] The utility model is further configured that a mounting hole communicating with the first cavity is opened at the outer bottom of the vehicle-mounted power supply box, and a first sealing block is arranged inside the mounting hole.

[0017] By adopting the above technical solution and utilizing the function of the mounting hole and the first sealing block, it is convenient to inject filler into the first cavity and to complete the sealing.

[0018] In summary, the utility model mainly has the following beneficial effects: when the utility model is in use, the first heat conducting plate, the second heat conducting plate and the partition are directly used to form the power module installation cavity, and the first heat conducting plate extends to the inside of the second cavity, and the function of the water inlet pipe and the water outlet pipe is used to make the coolant circulate in and out of the second cavity, so as to transfer the heat on the first heat conducting plate and the second heat conducting plate and the third heat conducting plate, thereby achieving the heat dissipation effect; and during installation, the function of the first cavity and the third cavity is used to fill the inside with fillers with good heat dissipation properties, so as to better protect the second cavity and make it less prone to damage, and the coolant used for cooling does not pass through the inside of the power module, thereby avoiding leakage, thereby better protecting the power module and achieving an effective heat dissipation effect at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the cutaway structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the box cover of the utility model;

[0022] Figure 4 It is a schematic diagram of the internal structure of the vehicle-mounted power box of the utility model.

[0023] In the figure: 1. On-board power box; 2. Box cover; 3. Water inlet pipe; 4. Water outlet pipe; 5. Wire hole; 6. First sealing block; 7. First cavity; 8. Second cavity; 9. First heat conduction plate; 10. Second heat conduction plate; 11. Third cavity; 12. Sealing plate; 13. Second sealing block; 14. Inlet hole; 15. Third heat conduction plate; 16. Partition. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.

[0025] The following describes an embodiment of the utility model based on its overall structure.

[0026] A new type of liquid cooling mechanism for vehicle-mounted power supply, such as Figure 1-4As shown, it includes a vehicle-mounted power box 1 and a box cover 2, so as to complete the sealing treatment in the vehicle-mounted power box 1, and fix it by bolts. A third heat-conducting plate 15 is arranged inside the vehicle-mounted power box 1. By utilizing the function of the third heat-conducting plate 15, the heat on the top of the third heat-conducting plate 15 is conveniently transferred to its bottom. A first cavity 7 is opened at the bottom end of the interior of the vehicle-mounted power box 1, a second cavity 8 is arranged between the top of the first cavity 7 and the third heat-conducting plate 15, and a third cavity 11 is arranged between the second heat-conducting plate 10 and the inner wall of the vehicle-mounted power box 1. By utilizing the functions of the first cavity 7 and the third cavity 11, the power module inside the vehicle-mounted power box 1 is conveniently protected. Fillers are arranged inside the first cavity 7 and the third cavity 11, and then by utilizing the function of the fillers, To further protect the interior, a water inlet pipe 3 and a water outlet pipe 4 connected to the second cavity 8 are respectively provided at both ends of the vehicle power box 1. The water inlet pipe 3 and the water outlet pipe 4 are used to facilitate the coolant to enter and exit the second cavity 8, and the outer pump body is used to complete the circulation of the coolant and the cooling task. The top of the third heat conducting plate 15 is respectively provided with a first heat conducting plate 9 and a partition 16 that cooperate with each other in the horizontal and vertical directions. A plurality of groups of first heat conducting plates 9 and partitions 16 are staggered and provided with a plurality of installation cavities, and a second heat conducting plate 10 that cooperates with the third heat conducting plate 15 is provided at the bottom of each group of installation cavities. The first heat conducting plate 9 and the second heat conducting plate 10 are used to transfer the heat emitted by the power module, thereby further achieving the heat dissipation effect.

[0027] See also Figure 1 The outer side of the vehicle power box 1 is provided with a wire hole 5 connected to the inside of the installation cavity. The wire hole 5 is used to facilitate the connection of the power module installed inside the vehicle power box 1 with the outside world, thereby completing the work.

[0028] See also Figure 2 A sealing hole matching with the first heat conducting plate 9 is provided on the top of the third heat conducting plate 15, and a sealing plate 12 matching with the sealing hole is provided on the outer side of the first heat conducting plate 9. By utilizing the function of the sealing hole and the sealing plate 12, it is convenient to complete the sealing of the first heat conducting plate 9, thereby completing the work.

[0029] See also Figure 2 , Figure 3 and Figure 4An inlet hole 14 communicating with the third cavity 11 is provided at the top of the vehicle power box 1, and a second sealing block 13 cooperating with the inlet hole 14 is provided at the bottom of the box cover 2. The inlet hole 14 is used to facilitate the injection of filler into the third cavity 11, and then the second sealing block 13 is used to seal it, so as to cooperate with subsequent work. A mounting hole communicating with the first cavity 7 is provided at the bottom of the outer side of the vehicle power box 1, and a first sealing block 6 is provided inside the mounting hole. The mounting hole and the first sealing block 6 are used to facilitate the injection of filler into the first cavity 7 and to complete the sealing.

[0030] Although an embodiment of the utility model has been shown and described, this specific embodiment is merely an explanation of the utility model and is not a limitation of the utility model. The specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions and variations to the embodiments without creative contributions as needed without departing from the principles and purpose of the utility model. However, as long as they are within the scope of the claims of the utility model, they are protected by patent law.

Claims

1. A novel liquid cooling and heat dissipation mechanism for a vehicle-mounted power supply, comprising a vehicle-mounted power supply box (1) and a box cover (2), characterized in that: A third heat conducting plate (15) is arranged inside the vehicle power box (1), a first cavity (7) is opened at the bottom end of the interior of the vehicle power box (1), a second cavity (8) is arranged between the top of the first cavity (7) and the third heat conducting plate (15), a first heat conducting plate (9) and a partition (16) are arranged horizontally and vertically on the top of the third heat conducting plate (15), a plurality of installation cavities are arranged between the plurality of first heat conducting plates (9) and partitions (16), and a second heat conducting plate (10) that matches the third heat conducting plate (15) is arranged at the bottom of each installation cavity, a third cavity (11) is arranged between the second heat conducting plate (10) and the inner wall of the vehicle power box (1), fillers are arranged inside the first cavity (7) and the third cavity (11), and a water inlet pipe (3) and a water outlet pipe (4) that are connected to the second cavity (8) are arranged at both ends of the vehicle power box (1).

2. The novel liquid cooling heat dissipation mechanism for vehicle-mounted power supply according to claim 1 is characterized in that: The top of the vehicle-mounted power supply box (1) is connected to the box cover (2) via bolts, and a sealing ring matching the vehicle-mounted power supply box (1) is provided at the bottom edge of the box cover (2).

3. The novel liquid cooling heat dissipation mechanism for vehicle-mounted power supply according to claim 1 is characterized in that: The outer side of the vehicle-mounted power supply box (1) is provided with a wire hole (5) which is connected to the interior of the installation cavity.

4. The novel liquid cooling heat dissipation mechanism for vehicle-mounted power supply according to claim 1 is characterized in that: A sealing hole matching the first heat conducting plate (9) is provided on the top of the third heat conducting plate (15), and a sealing plate (12) matching the sealing hole is provided on the outer side of the first heat conducting plate (9).

5. The novel liquid cooling heat dissipation mechanism for vehicle-mounted power supply according to claim 1 is characterized in that: The top of the vehicle-mounted power supply box (1) is provided with an inlet hole (14) connected to the third cavity (11), and the bottom of the box cover (2) is provided with a second sealing block (13) matching the inlet hole (14).

6. The novel liquid cooling heat dissipation mechanism for vehicle-mounted power supply according to claim 1 is characterized in that: The outer bottom of the vehicle-mounted power supply box (1) is provided with a mounting hole which is in communication with the first cavity (7), and a first sealing block (6) is arranged inside the mounting hole.

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