A power module with good heat dissipation performance

Abstract

The application discloses a power module with good heat dissipation performance, which comprises a shell, a heat dissipation plate is installed on the outer side wall of the shell, a plurality of heat dissipation fins are arranged side by side on the heat dissipation plate, connecting arms are connected to the two sides of the heat dissipation plate, fixing blocks are connected to the connecting arms, mounting strips are connected to the two sides of the shell, sliding grooves are formed in the mounting strips along the length direction of the mounting strips, fixing grooves for allowing the fixing blocks to be clamped in are formed in the sliding grooves, locking blocks are slidably connected to the inner side walls of the sliding grooves, and fastening springs are connected between the locking blocks and the inner side walls of the sliding grooves. When a large amount of dust is accumulated on the heat dissipation fins, the locking blocks are pushed, so that the fixing blocks are separated from the fixing grooves, the heat dissipation plate is separated from the shell, and then the heat dissipation fins can be cleaned separately, and the whole power module does not need to be disassembled, so that time and labor are saved.

Description

Technical Field

[0001] This application relates to the field of power supplies, and more particularly to a power module with good heat dissipation performance. Background Technology

[0002] In today's increasingly high-performance and integrated electronic devices, power modules, as the core power supply units for various devices, directly impact the overall system performance through their stability and reliability. With the continuous increase in power density, the heat generated by power modules during operation also increases significantly. If this heat cannot be dissipated effectively and promptly, the temperature of internal components will rise, affecting the power module's efficiency, lifespan, and even posing safety hazards. Currently, the traditional approach is to integrate several heat sinks into the power module's casing to improve heat dissipation efficiency.

[0003] Regarding the aforementioned technologies, the inventors believe that the following defects exist: during long-term operation, dust easily accumulates on the heat sink, thereby affecting heat dissipation efficiency. Cleaning the heat sink requires the entire power module to be disassembled, which is time-consuming and labor-intensive, and therefore needs to be improved. Utility Model Content

[0004] To address the shortcomings of existing technologies, this application provides a power module with good heat dissipation performance, aiming to solve the aforementioned problems.

[0005] A power module with good heat dissipation performance includes a housing. A heat sink is installed on the outer side wall of the housing. Several heat sinks are arranged side by side on the heat sink. Connecting arms are connected to both sides of the heat sink. Fixing blocks are connected to the connecting arms. Mounting strips are connected to both sides of the housing. A sliding groove is formed along the length of the mounting strip. A fixing groove is formed in the sliding groove for the fixing blocks to be engaged. A locking block is slidably connected to the inner side wall of the sliding groove. A fastening spring is connected between the locking block and the inner side wall of the sliding groove.

[0006] By adopting the above technical solution, when a lot of dust accumulates on the heat sink, the locking block is pushed to make the fixing block disengage from the fixing slot, thereby separating the heat sink from the housing. This makes it easier to clean the heat sink separately without having to remove the entire power module, saving time and effort.

[0007] Optionally, at least two guide posts are connected to the housing, and at least two guide holes are correspondingly opened on the heat sink for the guide posts to be inserted into, with the outer circumferential wall of the guide post in close contact with the inner circumferential wall of the guide hole.

[0008] By adopting the above technical solution, the relative position between the heat sink and the housing can be quickly determined by inserting the guide post into the guide hole.

[0009] Optionally, the upper end of the guide post is connected to a hemispherical guide block.

[0010] By adopting the above technical solution, the guide block can provide a guiding effect to the guide post, thereby enabling the guide post to be quickly inserted into the guide hole.

[0011] Optionally, a fixing magnet is connected to the fixing block, and a metal block for the fixing magnet to be attracted is embedded in the bottom wall of the fixing groove.

[0012] By adopting the above technical solution, the magnet is fixed to the metal block, so that the heat sink can be closely attached to the shell, thereby improving the heat dissipation efficiency.

[0013] Optionally, the locking block has a positioning groove, a positioning rod is hinged in the positioning groove, the movable end of the positioning rod is connected to the positioning block, and the mounting strip has a limiting groove for the positioning block to be engaged.

[0014] By adopting the above technical solution, pulling the locking block will cause the positioning block to be inserted into the limiting groove, thereby restricting the sliding of the locking block.

[0015] Optionally, a limit block is connected to the positioning block.

[0016] By adopting the above technical solution, people can quickly rotate the positioning block out of the positioning slot using the limiting block.

[0017] Optionally, both the heat sink and the heat fins are made of aluminum alloy.

[0018] By adopting the above technical solutions, aluminum alloys have high thermal conductivity, which helps to quickly conduct heat from internal components to the outside. Compared with copper, aluminum alloys are lighter and have good structural strength, making them suitable for various installation environments. They are also easy to extrude into complex shapes of heat sinks, increasing heat dissipation area and efficiency. Compared with other high-performance thermal conductive materials, aluminum alloys have lower costs and are suitable for large-scale applications.

[0019] In summary, this application includes at least one of the following beneficial technical effects:

[0020] 1. When a lot of dust accumulates on the heat sink, push the locking block to disengage the fixing block from the fixing slot, thereby separating the heat sink from the housing. This makes it easier to clean the heat sink separately without having to remove the entire power module, saving time and effort.

[0021] 2. The guide block can guide the guide post, so that the guide post can be quickly inserted into the guide hole.

[0022] 3. Aluminum alloys have high thermal conductivity, which helps to quickly conduct heat from internal components to the outside. Compared with copper, aluminum alloys are lighter and have good structural strength, making them suitable for various installation environments. They are easy to extrude into complex shapes of heat sinks, increasing heat dissipation area and efficiency. Compared with other high-performance thermal conductive materials, aluminum alloys have lower costs and are suitable for large-scale applications. Attached Figure Description

[0023] Figure 1 This is a structural schematic diagram of an embodiment of this application.

[0024] Figure 2 This is an exploded view of an embodiment of this application.

[0025] Figure 3 yes Figure 2 An enlarged schematic diagram of region A in the middle.

[0026] Explanation of reference numerals in the attached figures:

[0027] 1. Housing; 2. Heat sink; 21. Heat sink fin; 22. Guide hole; 3. Connecting arm; 31. Fixing block; 32. Fixing magnet; 4. Mounting strip; 41. Sliding groove; 42. Fixing groove; 43. Limiting groove; 5. Locking block; 51. Fastening spring; 52. Positioning groove; 6. Guide post; 61. Guide block; 7. Positioning rod; 71. Positioning block; 711. Limiting block. Detailed Implementation

[0028] To facilitate understanding of this application, a more detailed description is provided below with reference to the accompanying drawings and specific embodiments. It should be noted that when an element is described as "fixed to" another element, it can be directly on the other element, or one or more intermediate elements may exist between them. When an element is described as "connected to" another element, it can be directly connected to the other element, or one or more intermediate elements may exist between them. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this specification are for illustrative purposes only.

[0029] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to limit the scope of this application. The term "and / or" as used in this specification includes any and all combinations of one or more of the associated listed items.

[0030] This application discloses a power module with good heat dissipation performance. (Refer to...) Figure 1 and Figure 2The device includes a housing 1, on which a heat sink 2 is mounted. Several heat sink fins 21 are arranged side-by-side on the heat sink 2. Both the heat sink 2 and the heat sink fins 21 are made of aluminum alloy. Aluminum alloy has high thermal conductivity, which helps to quickly conduct heat from internal components to the outside. Compared to copper, aluminum alloy is lighter and has good structural strength, making it suitable for various installation environments. It is easy to extrude into complex shapes of heat sink fins 21, increasing heat dissipation area and efficiency. Compared to other high-performance thermal conductive materials, aluminum alloy has a lower cost, making it suitable for large-scale applications.

[0031] Reference Figure 2 and Figure 3 Connecting arms 3 are fixedly connected to both sides of the heat sink 2, and fixing blocks 31 are fixedly connected to the connecting arms 3. Mounting strips 4 are fixedly connected to both sides of the housing 1. The mounting strips 4 have sliding grooves 41 along their length, and fixing grooves 42 for the fixing blocks 31 to be inserted into are formed in the sliding grooves 41. Locking blocks 5 are slidably connected to the inner sidewall of the sliding grooves 41, and a fastening spring 51 is fixedly connected between the locking blocks 5 and the inner sidewall of the sliding grooves 41. When a lot of dust accumulates on the heat sink 21, pushing the locking blocks 5 causes the fixing blocks 31 to disengage from the fixing grooves 42, thereby separating the heat sink 2 from the housing 1. This makes it easier to clean the heat sink 21 separately without removing the entire power module, saving time and effort.

[0032] Reference Figure 2 Four guide posts 6 are fixedly connected to the housing 1, and four guide holes 22 are correspondingly provided on the heat sink 2 for the guide posts 6 to be inserted into. The outer circumferential wall of the guide post 6 is in close contact with the inner circumferential wall of the guide hole 22. Inserting the guide post 6 into the guide hole 22 allows the relative position between the heat sink 2 and the housing 1 to be quickly determined. A hemispherical guide block 61 is fixedly connected to the upper end of the guide post 6. The guide block 61 provides a guiding effect to the guide post 6, allowing the guide post 6 to be quickly inserted into the guide hole 22.

[0033] Reference Figure 2 A fixing magnet 32 ​​is fixedly connected to the fixing block 31, and a metal block, which is made of iron, is embedded in the bottom wall of the fixing groove 42 for the fixing magnet 32 ​​to attract. The fixing magnet 32 ​​is attracted to the metal block, so that the heat sink 2 can be tightly attached to the shell 1, thereby improving the heat dissipation efficiency.

[0034] Reference Figure 2 and Figure 3The locking block 5 has a positioning groove 52, and a positioning rod 7 is hinged in the positioning groove 52. The movable end of the positioning rod 7 is fixedly connected to the positioning block 71. The mounting strip 4 has a limiting groove 43 for the positioning block 71 to engage. Pulling the locking block 5 will engage the positioning block 71 in the limiting groove 43, thereby limiting the sliding of the locking block 5. A limiting block 711 is connected to the positioning block 71. People can quickly rotate the positioning block 71 out of the positioning groove 52 through the limiting block 711.

[0035] The implementation principle of a power module with good heat dissipation performance in this application embodiment is as follows: when a lot of dust accumulates on the heat sink 21, push the locking block 5 to make the fixing block 31 disengage from the fixing groove 42, thereby separating the heat sink 2 from the housing 1, which makes it easier to clean the heat sink 21 separately without disassembling the entire power module, saving time and effort.

[0036] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A power module with good heat dissipation performance, comprising a housing (1), characterized in that: A heat sink plate (2) is installed on the outer side wall of the housing (1). Several heat sinks (21) are arranged side by side on the heat sink plate (2). Connecting arms (3) are connected to both sides of the heat sink plate (2). Fixing blocks (31) are connected to the connecting arms (3). Mounting strips (4) are connected to both sides of the housing (1). A sliding groove (41) is opened along the length of the mounting strip (4). A fixing groove (42) for the fixing block (31) to be inserted is opened in the sliding groove (41). A locking block (5) is slidably connected to the inner side wall of the sliding groove (41). A fastening spring (51) is connected between the locking block (5) and the inner side wall of the sliding groove (41).

2. The power module with good heat dissipation performance according to claim 1, characterized in that: At least two guide posts (6) are connected to the housing (1), and at least two guide holes (22) are opened on the heat sink (2) for the guide posts (6) to be inserted. The outer circumferential wall of the guide post (6) is in close contact with the inner circumferential wall of the guide hole (22).

3. A power module with good heat dissipation performance according to claim 2, characterized in that: The upper end of the guide post (6) is connected to a hemispherical guide block (61).

4. A power module with good heat dissipation performance according to claim 1, characterized in that: A fixing magnet (32) is connected to the fixing block (31), and a metal block for the fixing magnet (32) to be attracted is embedded in the bottom wall of the fixing groove (42).

5. A power module with good heat dissipation performance according to claim 1, characterized in that: The locking block (5) has a positioning groove (52), and a positioning rod (7) is hinged in the positioning groove (52). The movable end of the positioning rod (7) is connected to a positioning block (71), and the mounting strip (4) has a limiting groove (43) for the positioning block (71) to be inserted into.

6. A power module with good heat dissipation performance according to claim 5, characterized in that: A limiting block (711) is connected to the positioning block (71).

7. A power module with good heat dissipation performance according to claim 1, characterized in that: Both the heat sink (2) and the heat fin (21) are made of aluminum alloy.

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