Heat dissipation structure of power electronic component

Abstract

The utility model relates to the technical field of heat dissipation of electronic components, in particular to a heat dissipation structure of a power electronic component, which comprises a radiator main body and a heat dissipation fan arranged on the radiator main body, a square frame is attached to the side wall, far away from the radiator main body, of the heat dissipation fan, and rectangular plates are attached to the upper end and the lower end of the square frame. The two rectangular plates are fixedly connected to the upper end and the lower end of the cooling fan correspondingly, a guide mechanism is arranged between the rectangular plate located on the lower portion and the square frame, a vertical rod is fixedly connected between the upper end and the lower end of the inner side of the square frame, and transverse rods are fixedly connected between the front end and the rear end of the vertical rod and the front end and the rear end of the inner side of the square frame correspondingly. According to the heat dissipation structure, a worker does not need to regularly disassemble the heat dissipation device body from the power electronic component for cleaning, the filter screen is directly taken down from the heat dissipation fan for cleaning, the labor burden of the worker is reduced, the filter screen is installed in an inserted mode, and convenience is brought to disassembly and assembly operation in a limited equipment space.

Description

Technical Field

[0001] The utility model relates to the technical field of heat dissipation of electronic components, in particular to a heat dissipation structure of a power electronic component. Background Art

[0002] Power electronic components refer to electronic devices used to control and convert electrical energy, and are usually used in various power supplies, converters, drivers and power electronic applications. Common power electronic components include thyristors, rectifiers and inverters.

[0003] Power electronic components consume electrical energy and generate a lot of heat during operation. In order to ensure that the components work within the appropriate temperature range and prevent overheating damage, a heat sink is often required to dissipate heat effectively. The heat sink conducts the heat generated by the components to the surface of the heat sink and generates airflow through the cooling fan on the heat sink to dissipate the heat, thereby keeping the temperature of the components within a safe range.

[0004] As power electronic components continue to operate, dust will accumulate on their heat sinks. In order to ensure the heat dissipation effect and the normal operation of power electronic components, the staff will regularly remove the heat sink from the power electronic components and clean it, which brings a burden to the staff. In addition, the equipment space loaded with power electronic components is often very limited, and disassembling and installing the heat sink is time-consuming and laborious. To this end, we propose a heat dissipation structure for power electronic components. Utility Model Content

[0005] The purpose of the utility model is to provide a heat dissipation structure of power electronic components to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a heat dissipation structure for power electronic components, comprising a radiator body and a heat dissipation fan installed on the radiator body, wherein the side walls of the heat dissipation fan away from the radiator body are attached with a square frame, and the upper and lower ends of the square frame are attached with rectangular plates, and the two rectangular plates are respectively fixedly connected to the upper and lower ends of the heat dissipation fan, and a guiding mechanism is provided between the rectangular plate located below and the square frame, and a vertical rod is fixedly connected between the inner upper and lower ends of the frame, and the front and rear ends of the vertical rod are respectively fixedly connected to the inner front and rear ends of the frame. Filters are fixedly connected between the upper and lower ends of the two cross rods and the two side walls of the vertical rod, and the four filter screens are fixedly connected to the inner wall of the square frame, and a plug column is slidably provided on the inner wall of the upper end of the vertical rod, and the plug column is movably passed through the square frame and the upper end of the rectangular plate located above in turn, and a moving mechanism is provided between the plug column and the vertical rod.

[0007] Preferably, the guiding mechanism comprises a block and a rectangular groove, the block is fixedly connected to the middle of the lower end of the square frame, the rectangular groove is opened at the upper edge of the front end of the rectangular plate located below, and the rectangular groove and the block are slidably matched.

[0008] Preferably, a columnar groove is provided at the upper end of the vertical rod corresponding to the insertion column, and the columnar groove and the insertion column are slidably matched.

[0009] Preferably, a plug hole is provided through the upper end of the rectangular plate corresponding to the plug post, and the plug hole is slidably matched with the plug post.

[0010] Preferably, the moving mechanism includes a U-shaped block and a U-shaped groove, the U-shaped groove is opened in the middle of the side wall of the vertical rod, and the U-shaped groove is communicated with the column groove, the U-shaped block is fixedly sleeved on the outer wall of the plug column, and the upper end of the U-shaped block is in contact with the inner upper end surface of the U-shaped groove, and the U-shaped block and the U-shaped groove are slidingly matched, and a spring is fixedly connected between the lower end of the U-shaped block and the inner bottom end surface of the U-shaped groove, the spring is slidingly sleeved on the outer wall of the plug column, and a pressing piece is provided between the U-shaped block and the vertical rod.

[0011] Preferably, the push member includes two push plates, one of which is fixedly connected to the side wall of the U-shaped block, and the other is fixedly connected to the side wall of the vertical rod, and the upper end surface of the other push plate is flush with the inner bottom end surface of the U-shaped groove.

[0012] Preferably, the wall surfaces of the two pressing plates which are away from each other are each provided with a group of anti-skid grooves, and each group of the anti-skid grooves is arranged in a linear array from front to back.

[0013] Compared with the prior art, the beneficial effects of the utility model are: through the mutual cooperation of the heat dissipation fan, square frame, rectangular plate, guide mechanism, vertical rod, horizontal rod, filter, plug-in column and moving mechanism, the heat dissipation structure does not require the staff to regularly remove the radiator body from the power electronic components for cleaning, and the filter can be directly removed from the heat dissipation fan for cleaning, thereby reducing the labor burden of the staff, and the filter is installed in an inserted manner, which brings convenience to the disassembly and assembly operations in a limited equipment space. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a partial structural sectional view of the utility model;

[0016] Figure 3 for Figure 2 A schematic diagram of the structure enlargement at point A;

[0017] Figure 4 for Figure 2A schematic diagram of the structure at B in FIG.

[0018] Figure 5 It is a display diagram of the vertical rod, columnar groove and U-shaped groove of the utility model;

[0019] Figure 6 This is a display diagram of the plug post, the pressing plate, the U-shaped block and the anti-slip groove of the utility model;

[0020] Figure 7 This is a display diagram of the radiator body, cooling fan, rectangular plate, rectangular slot and plug hole of the utility model.

[0021] In the attached drawings, the list of components represented by each number is as follows: 1. Radiator body; 2. Cooling fan; 3. Frame; 4. Rectangular plate; 5. Plug column; 6. Vertical rod; 7. Press plate; 8. Horizontal rod; 9. Filter; 10. Column groove; 11. Spring; 12. U-shaped block; 13. Anti-slip groove; 14. U-shaped groove; 15. Block; 16. Rectangular groove; 17. Socket. DETAILED DESCRIPTION

[0022] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-Figure 7 The heat dissipation structure of a power electronic component shown in the figure includes a radiator body 1 and a heat dissipation fan 2 installed on the radiator body 1, a square frame 3 is attached to the side wall of the heat dissipation fan 2 away from the radiator body 1, and a rectangular plate 4 is attached to the upper and lower ends of the square frame 3, and the two rectangular plates 4 are respectively fixedly connected to the upper and lower ends of the heat dissipation fan 2, and a guiding mechanism is provided between the rectangular plate 4 located at the bottom and the square frame 3, a vertical rod 6 is fixedly connected between the upper and lower ends of the inner side of the square frame 3, and a cross bar 8 is fixedly connected between the front and rear ends of the vertical rod 6 and the inner front and rear ends of the square frame 3, respectively, and filters 9 are fixedly connected between the upper and lower ends of the two cross bars 8 and the two side walls of the vertical rod 6, and the four filters 9 are fixedly connected to the inner wall of the square frame 3, and a plug column 5 is slidably provided on the inner wall of the upper end of the vertical rod 6, and the plug column 5 is movable in turn through the square frame 3 and the upper end of the rectangular plate 4 located above, and a moving mechanism is provided between the plug column 5 and the vertical rod 6.

[0024] See also Figure 4 and Figure 7In the figure, the guiding mechanism includes a block 15 and a rectangular groove 16. The block 15 is fixedly connected to the middle of the lower end of the frame 3. The rectangular groove 16 is opened at the upper edge of the front end of the rectangular plate 4 located below, and the rectangular groove 16 and the block 15 are slidably matched.

[0025] See also Figure 3 and Figure 5 In the figure, a cylindrical groove 10 is provided at the upper end of the vertical rod 6 corresponding to the plug post 5, and the cylindrical groove 10 and the plug post 5 are slidably matched.

[0026] See also Figure 7 In the figure, a hole 17 is formed at the upper end of the rectangular plate 4 corresponding to the plug post 5, and the hole 17 and the plug post 5 are slidably matched.

[0027] See also Figure 3 , Figure 5 and Figure 6 The moving mechanism in the figure includes a U-shaped block 12 and a U-shaped groove 14. The U-shaped groove 14 is opened in the middle of the side wall of the vertical rod 6, and the U-shaped groove 14 is connected to the column groove 10. The U-shaped block 12 is fixedly sleeved on the outer wall of the plug column 5, and the upper end of the U-shaped block 12 is in contact with the inner upper end surface of the U-shaped groove 14, and the U-shaped block 12 and the U-shaped groove 14 are slidingly matched, and a spring 11 is fixedly connected between the lower end of the U-shaped block 12 and the inner bottom end surface of the U-shaped groove 14, and the spring 11 is slidingly sleeved on the outer wall of the plug column 5, and a pressing piece is provided between the U-shaped block 12 and the vertical rod 6.

[0028] See also Figure 1 , Figure 3 and Figure 6 In the figure, the push member includes two push plates 7, one of which is fixedly connected to the side wall of the U-shaped block 12, and the other is fixedly connected to the side wall of the vertical rod 6, and the upper end surface of the other push plate 7 is flush with the inner bottom end surface of the U-shaped groove 14.

[0029] See also Figure 3 and Figure 6 In the figure, a set of anti-skid grooves 13 are provided on the walls of the two pressing plates 7 that are away from each other, and each set of anti-skid grooves 13 is arranged in a linear array from front to back; specifically, the setting of the anti-skid grooves 13 can increase the friction between the fingers and the two pressing plates 7, so that a certain anti-skid effect is achieved when pinching the two pressing plates 7.

[0030] Working principle: the radiator body 1 will absorb the heat generated by the electronic components when they are working, and the cooling fan 2 will accelerate the dissipation of the heat on the radiator body 1 (this is a well-known existing technology and will not be elaborated on). The airflow blown by the cooling fan 2 to the radiator body 1 can reduce dust due to the filtration of the four filters 9, so the dust on the radiator body 1 can also be reduced, thereby achieving a better heat dissipation effect.

[0031] When the four filters 9 need to be removed from the cooling fan 2 for cleaning, first, pinch the two push plates 7, the upper push plate 7 will slide downward on the side wall of the vertical rod 6, and the push plate 7 will drive the U-shaped block 12 to slide downward in the U-shaped groove 14, the U-shaped block 12 will drive the plug post 5 to slide downward in the inner wall of the columnar groove 10 (in this process, the spring 11 between the U-shaped block 12 and the U-shaped groove 14 will be squeezed), the plug post 5 will also slide downward on the inner wall of the frame 3 and the socket 17 on the upper rectangular plate 4 and completely slide off the socket 17.

[0032] Then, while pinching the two push plates 7 and not letting go, pull the two push plates 7 forward, so that the two push plates 7 can drive the vertical rod 6 to move forward, and the vertical rod 6 can drive the square frame 3 to slide forward between the two rectangular plates 4 (in this process, the square 15 on the square frame 3 will slide forward in the rectangular groove 16 on the rectangular plate 4 below), until the square frame 3 completely leaves the two rectangular plates 4, and the four filters 9 can be removed from the cooling fan 2 and then cleaned.

[0033] When the filter 9 is cleaned, pinch the two pressing plates 7 again according to the opposite operation and slide the square frame 3 between the two rectangular plates 4, and when the rear end of the block 15 is in contact with the inner rear end surface of the rectangular groove 16, the two pressing plates 7 can be loosened. Under the action of the spring 11, the plug 5 will be reinserted into the socket 17, and the four filters 9 can be reinstalled on the cooling fan 2, which is easy to disassemble and assemble.

[0034] It should be noted that, in this heat dissipation structure, the staff does not need to remove the radiator body 1 from the power electronic components for regular cleaning. The filter 9 can be directly removed from the heat dissipation fan 2 for cleaning, thereby reducing the labor burden of the staff. In addition, the filter 9 is installed in an inserted manner, which facilitates the disassembly and assembly operations in a limited equipment space.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A heat dissipation structure for power electronic components, comprising a heat sink body (1) and a heat dissipation fan (2) mounted on the heat sink body (1), characterized in that: The side wall of the heat dissipation fan (2) away from the radiator body (1) is fitted with a square frame (3), and the upper and lower ends of the square frame (3) are fitted with rectangular plates (4). The two rectangular plates (4) are respectively fixedly connected to the upper and lower ends of the heat dissipation fan (2). A guide mechanism is provided between the rectangular plate (4) located at the bottom and the square frame (3). A vertical rod (6) is fixedly connected between the upper and lower ends of the inner side of the frame (3). The front and rear ends of the vertical rod (6) are respectively connected to the front and rear ends of the inner side of the frame (3). A cross bar (8) is fixedly connected between the rear ends, and filter screens (9) are fixedly connected between the upper and lower ends of the two cross bars (8) and the two side walls of the vertical bar (6), respectively. The four filter screens (9) are fixedly connected to the inner wall of the square frame (3), and a plug post (5) is slidably provided on the inner wall of the upper end of the vertical bar (6). The plug post (5) is movably passed through the square frame (3) and the upper end of the rectangular plate (4) located above, and a moving mechanism is provided between the plug post (5) and the vertical bar (6).

2. The heat dissipation structure of a power electronic component according to claim 1, characterized in that: The guide mechanism comprises a block (15) and a rectangular groove (16); the block (15) is fixedly connected to the middle of the lower end of the square frame (3); the rectangular groove (16) is opened at the upper edge of the front end of the rectangular plate (4) located below, and the rectangular groove (16) and the block (15) are slidably matched.

3. The heat dissipation structure of a power electronic component according to claim 1, characterized in that: A columnar groove (10) is provided at the upper end of the vertical rod (6) corresponding to the insertion column (5), and the columnar groove (10) and the insertion column (5) are slidably matched.

4. The heat dissipation structure of a power electronic component according to claim 1, characterized in that: An insertion hole (17) is provided through the upper end of the rectangular plate (4) located above, corresponding to the insertion column (5), and the insertion hole (17) is slidably matched with the insertion column (5).

5. The heat dissipation structure of a power electronic component according to claim 3, characterized in that: The moving mechanism comprises a U-shaped block (12) and a U-shaped groove (14); the U-shaped groove (14) is arranged in the middle of the side wall of the vertical rod (6), and the U-shaped groove (14) is communicated with the column groove (10); the U-shaped block (12) is fixedly sleeved on the outer wall of the plug column (5), and the upper end of the U-shaped block (12) is in contact with the inner upper end surface of the U-shaped groove (14), and the U-shaped block (12) and the U-shaped groove (14) are slidably matched, and a spring (11) is fixedly connected between the lower end of the U-shaped block (12) and the inner bottom end surface of the U-shaped groove (14), and the spring (11) is slidably sleeved on the outer wall of the plug column (5), and a pressing member is provided between the U-shaped block (12) and the vertical rod (6).

6. The heat dissipation structure of a power electronic component according to claim 5, characterized in that: The push member comprises two push plates (7), one of which is fixedly connected to the side wall of the U-shaped block (12), and the other is fixedly connected to the side wall of the vertical rod (6), and the upper end surface of the other push plate (7) is flush with the inner bottom end surface of the U-shaped groove (14).

7. The heat dissipation structure of a power electronic component according to claim 6, characterized in that: A group of anti-skid grooves (13) are provided on the wall surfaces of the two pressing plates (7) that are away from each other, and each group of the anti-skid grooves (13) is arranged in a linear array from front to back.

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