Dustproof shell for power module
By designing a dustproof housing for power modules, using fixed components to suspend the power module and equipped with heat dissipation components, the problem of poor heat dissipation of power modules is solved, and better heat dissipation effect and dust protection are achieved.
Patent Information
- Application Number
- CN202420924839.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-29
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-04-29
AI Technical Summary
The existing power module overlaps the shell at the bottom of the housing, resulting in poor heat dissipation effect and easily causing damage to the power module.
A dust-proof housing is designed to fix the power module in the air inside the housing through fixing components and is equipped with a heat dissipation component, including a fan and a filter, ensuring even heat dissipation around the power module and preventing dust from entering.
Through suspended fixation and optimized heat dissipation design, the heat dissipation effect of the power module is significantly improved, its service life is extended, and it is effectively prevented from the influence of dust.
Smart Images

Figure CN222638940U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of power modules, in particular to a dustproof shell for a power module. Background Art
[0002] The power module is a power supply that can be directly mounted on a printed circuit board. Its characteristic is that it can provide power for application-specific integrated circuits (ASICs), (DSPs), microprocessors, memories, (FPGAs) and other digital or analog loads.
[0003] A Chinese patent with publication number CN220022594U discloses a dustproof and heat-dissipating power supply module. The patent has the function of filtering dust in the air by setting a dust removal component. By filtering the dust in the air, it has the function of preventing dust from adhering to the power supply module, thereby avoiding affecting the performance of the power supply module.
[0004] In the above technical solution, when the power module is placed in the housing, the bottom of the power module overlaps with the housing, so that the bottom cannot dissipate heat well, which may easily cause damage to the power module over a long period of time.
[0005] Based on this, the utility model proposes a dustproof housing for a power module. Utility Model Content
[0006] In order to solve the above technical problems, the utility model proposes a dustproof shell for a power module, which can fix the power module inside the shell through a fixing component so that it is in a suspended state, and the power module can be cooled by the heat dissipation component to achieve better heat dissipation effect.
[0007] The technical solution to achieve the purpose of the utility model is: a dustproof shell for a power module, comprising an outer shell, a protective door hinged on the outer shell, a heat dissipation component and a fixed component on the outer shell, the heat dissipation component comprising a fixed plate, a through hole, a fan and a filter, the fixed plate is fixedly connected to the protective door, the through hole is opened on the protective door and the fixed plate, the fan is arranged in the through hole of the fixed plate, the filter is movably inserted in the through hole of the protective door, the fixed component comprises a slide plate, a threaded block, a threaded rod and a connecting block, two of the slide plates are slidably connected in the outer shell, eight of the threaded blocks are respectively slidably connected to the two slide plates, eight of the threaded rods are respectively threadedly connected to the eight threaded blocks, and eight of the connecting blocks are respectively rotatably connected to the eight threaded rods.
[0008] Preferably, the heat dissipation assembly further includes a second fixing plate and vents, the second fixing plate is fixedly connected to the outer shell, and a plurality of vents are arranged on the second fixing plate.
[0009] Preferably, the fixing assembly further comprises a slide groove and a slider, the two slide grooves are respectively opened on the two sliders, the eight sliders are respectively slidably connected in the two slide grooves, and the eight threaded blocks are respectively fixedly connected to the eight sliders.
[0010] Preferably, the fixing assembly further comprises a bidirectional screw rod and a holder, the two ends of the four bidirectional screw rods are respectively rotated on eight connecting blocks, and the eight holders are respectively threadedly connected to the two ends of the four bidirectional screw rods.
[0011] Preferably, the fixing assembly further comprises limiting columns and rubber pads, the four limiting columns are respectively fixedly connected to the eight connecting blocks, the eight clamping seats are respectively slidably connected to the four limiting columns, and the eight rubber pads are respectively fixedly connected to the eight clamping seats.
[0012] Preferably, the fixing assembly also includes a connecting plate and a bidirectional screw rod 2, the four connecting plates are respectively fixedly connected to the eight sliding blocks, the two ends of the two bidirectional screw rods 2 are respectively threadedly connected to the four connecting plates, and the two bidirectional screw rods 2 are respectively rotatably connected to the two sliding blocks.
[0013] Compared with the prior art, the present invention has the following significant advantages:
[0014] First, in the utility model, the heat dissipation component cooperates with the fixing plate 1, the through hole, the fan, the filter, the fixing plate 2 and the vent, and uses the fan to dissipate heat to the power module in the housing. The wind blown in is filtered by the filter, which has a dust-proof effect. The power module is suspended and fixed inside the housing by the fixing component, so that it can be blown by the wind all around, which has a uniform heat dissipation effect.
[0015] Second: In the utility model, the fixing assembly cooperates through a slide plate, a threaded block, a threaded rod, a connecting block, a bidirectional screw rod 1, a holder, a connecting plate and a bidirectional screw rod 2. The bidirectional screw rod 2 is rotated to adjust the spacing of the threaded block to adapt to power modules of different lengths. The threaded rod is rotated to adjust the longitudinal spacing of the holder to adapt to power modules of different heights. Then, the bidirectional screw rod 1 is rotated to adjust the lateral spacing of the holder to adapt to power modules of different widths, making the device more practical. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The utility model is further explained below in conjunction with the accompanying drawings and embodiments:
[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0018] Figure 2 It is a schematic diagram of the internal three-dimensional structure of the utility model;
[0019] Figure 3It is a cross-sectional view of the internal structure of the utility model.
[0020] Description of reference numerals:
[0021] 1. Shell; 2. Protective door; 3. Heat dissipation component; 31. Fixed plate 1; 32. Through hole; 33. Fan; 34. Filter; 35. Fixed plate 2; 36. Ventilation port; 4. Fixed component; 41. Slide plate; 42. Slide groove; 43. Slider; 44. Threaded block; 45. Threaded rod; 46. Connecting block; 47. Two-way screw 1; 48. Holder; 49. Limiting column; 410. Rubber pad; 411. Connecting plate; 412. Two-way screw 2. DETAILED DESCRIPTION
[0022] The utility model is described in detail below, and the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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] The utility model provides a dustproof housing for a power module through improvement. The technical solution of the utility model is:
[0024] like Figure 1-Figure 3 As shown, a dustproof housing for a power module comprises a shell 1, a protective door 2 is hinged on the shell 1, a heat dissipation component 3 and a fixing component 4 are provided on the shell 1, the heat dissipation component 3 comprises a fixing plate 31, a through hole 32, a fan 33 and a filter 34, the fixing plate 31 is fixedly connected to the protective door 2, the through hole 32 is opened on the protective door 2 and the fixing plate 31, the fan 33 is arranged in the through hole 32 of the fixing plate 31, the filter 34 is movably plugged into the through hole 32 of the protective door 2, after the protective door 2 is opened, the filter 34 can be taken out of the through hole 32 for cleaning, the fixing component 4 comprises a slide plate 41, a threaded block 44, a threaded rod 45 and a connecting block 46, two slide plates 41 are slidably connected in the shell 1, eight threaded blocks 44 are respectively slidably connected to the two slide plates 41, eight threaded rods 45 are respectively threadedly connected to the eight threaded blocks 44, and eight connecting blocks 46 are respectively rotatably connected to the eight threaded rods 45.
[0025] Further, such as Figure 1 As shown, the heat dissipation assembly 3 also includes a second fixing plate 35 and vents 36 . The second fixing plate 35 is fixedly connected to the housing 1 . The second fixing plate 35 is located on a side of the housing 1 away from the first fixing plate 31 . A plurality of vents 36 are provided on the second fixing plate 35 .
[0026] Further, such as Figure 2 and Figure 3As shown, the fixing assembly 4 also includes a slide groove 42 and a slider 43. The two slide grooves 42 are respectively opened on the two sliders 41. The cross-section of the slide groove 42 is "U"-shaped. The eight sliders 43 are respectively slidably connected in the two slide grooves 42. The eight threaded blocks 44 are respectively fixedly connected to the eight sliders 43.
[0027] Further, such as Figure 2 and Figure 3 As shown, the fixing assembly 4 also includes a bidirectional screw rod 47 and a clamping seat 48. The two ends of the four bidirectional screw rods 47 are respectively rotated on the eight connecting blocks 46. The eight clamping seats 48 are respectively threadedly connected to the two ends of the four bidirectional screw rods 47. The cross-section of the clamping seat 48 is "P"-shaped, which is used to wrap the angle of the power module.
[0028] Further, such as Figure 2 and Figure 3 As shown, the fixing assembly 4 also includes limiting columns 49 and rubber pads 410. The four limiting columns 49 are respectively fixedly connected to the eight connecting blocks 46. The eight sockets 48 are respectively slidably connected to the four limiting columns 49. The eight rubber pads 410 are respectively fixedly connected to the eight sockets 48. The rubber pads 410 are soft in texture and can better protect the power module when vibration occurs.
[0029] Further, such as Figure 2 and Figure 3 As shown, the fixing assembly 4 also includes a connecting plate 411 and a bidirectional screw rod 412. The four connecting plates 411 are fixedly connected to the eight sliders 43 respectively. The four connecting plates 411 are slidably connected in the two slide grooves 42 respectively. The two ends of the two bidirectional screw rods 412 are threadedly connected to the four connecting plates 411 respectively. The two bidirectional screw rods 412 are rotatably connected in the two slide plates 41 respectively. The four threaded blocks 44 located on the same slide plate 41 are symmetrical with the bidirectional screw rod 412 as the axis.
[0030] The specific working method is: rotate to open the protective door 2, then pull the slide plate 41 out of the shell 1, place the power module between the eight holders 48, rotate the two-way screw rod 412, so that the two connecting plates 411 move toward or away from each other, thereby adjusting the spacing of the threaded blocks 44 to accommodate power modules of different lengths, then rotate the threaded rod 45 to adjust the longitudinal spacing of the holders 48 to accommodate power modules of different heights, then rotate the two-way screw rod 47 to adjust the lateral spacing of the holders 48 to accommodate power modules of different widths, after the power module is fixed, push the slide plate 41 into the shell 1, then close the protective door 2, start the fan 33 when in use, and use the fan 33 to dissipate heat for the power module in the shell 1, the wind blown in is filtered by the filter 34, and has a dust-proof effect, because the power module is suspended and fixed inside the shell 1 at this time, so it can be blown by the wind on all sides, and has a uniform heat dissipation effect.
[0031] The technical means disclosed in the utility model are not limited to the technical means disclosed in the above technical means, but also include technical solutions composed of equivalent replacement of the above technical features. Matters not covered in the utility model belong to the common knowledge of those skilled in the art.
Claims
1. A dustproof housing for a power module, comprising a housing (1), a protective door (2) being hingedly connected to the housing (1), characterized in that: The housing (1) is provided with a heat dissipation component (3) and a fixing component (4), the heat dissipation component (3) comprising a fixing plate (31), a through hole (32), a fan (33) and a filter (34), the fixing plate (31) being fixedly connected to the protective door (2), the through hole (32) being provided on the protective door (2) and the fixing plate (31), the fan (33) being provided in the through hole (32) of the fixing plate (31), and the filter (34) being movably plugged into the protective door (2). In the through hole (32) of the door (2), the fixing assembly (4) comprises a slide plate (41), a threaded block (44), a threaded rod (45) and a connecting block (46); the two slide plates (41) are slidably connected in the housing (1); the eight threaded blocks (44) are respectively slidably connected to the two slide plates (41); the eight threaded rods (45) are respectively threadedly connected to the eight threaded blocks (44); and the eight connecting blocks (46) are respectively rotatably connected to the eight threaded rods (45).
2. A dustproof housing for a power module according to claim 1, characterized in that: The heat dissipation assembly (3) further comprises a second fixing plate (35) and vents (36); the second fixing plate (35) is fixedly connected to the housing (1); and a plurality of vents (36) are arranged on the second fixing plate (35).
3. The dustproof housing for a power module according to claim 1, characterized in that: The fixing assembly (4) further comprises a slide groove (42) and a slider (43), wherein the two slide grooves (42) are respectively arranged on the two sliders (41), the eight sliders (43) are respectively slidably connected in the two slide grooves (42), and the eight threaded blocks (44) are respectively fixedly connected to the eight sliders (43).
4. The dustproof housing for a power module according to claim 1, characterized in that: The fixing assembly (4) further comprises a bidirectional screw rod (47) and a clamping seat (48), wherein the two ends of the four bidirectional screw rods (47) are respectively rotated on the eight connecting blocks (46), and the eight clamping seats (48) are respectively threadedly connected to the two ends of the four bidirectional screw rods (47).
5. A dustproof housing for a power module according to claim 4, characterized in that: The fixing assembly (4) further comprises a limiting column (49) and a rubber pad (410), wherein the four limiting columns (49) are respectively fixedly connected to the eight connecting blocks (46), the eight clamping seats (48) are respectively slidably connected to the four limiting columns (49), and the eight rubber pads (410) are respectively fixedly connected to the eight clamping seats (48).
6. A dustproof housing for a power module according to claim 3, characterized in that: The fixing assembly (4) further comprises a connecting plate (411) and a bidirectional screw rod (412), wherein the four connecting plates (411) are respectively fixedly connected to the eight sliding blocks (43), the two ends of the two bidirectional screw rods (412) are respectively threadedly connected to the four connecting plates (411), and the two bidirectional screw rods (412) are respectively rotatably connected to the two sliding blocks (41).
Citation Information
Patent Citations
Dustproof heat dissipation power supply module
CN220022594U