Monitoring power supply equipment with dustproof effect

By combining lifting components and heat dissipation components in the monitoring power supply equipment, the isolation and collection of dust and good heat dissipation effects are achieved, which solves the problem of poor dust protection and heat dissipation effects in the prior art and extends the service life of the equipment.

CN119560895APending Publication Date: 2025-03-04SHENZHEN ANKEXUN ELECTRONIC MFG CO LTD
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Patent Information

Application Number
CN202411583947.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-07
Publication Date
2025-03-04

AI Technical Summary

Technical Problem

Existing monitoring power supplies are prone to accumulation of dust when used outdoors, and internal monitoring power supplies are prone to high temperatures when working, resulting in damage to components and inability to effectively prevent dust and dissipate heat.

Method used

A monitoring power supply equipment with dustproof effect is designed, using a combination of lifting components and heat dissipation components. By rotating the knob, it drives components such as worm, worm gear, rotating shaft and bevel gear to rotate, so that the installation table enters the dust cover for heat dissipation, and at the same time, dust cleaning components are set up to isolate and collect dust.

Benefits of technology

Effectively prevent dust from entering the power supply equipment, ensure filtration effect, achieve good heat dissipation effect, extend the service life of the monitoring power supply, and reduce bumps and damage during transportation.

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Abstract

The invention discloses monitoring power supply equipment with a dustproof effect, and particularly relates to the technical field of power supply equipment, the monitoring power supply equipment comprises a box body, a protective door is rotatably connected to the front end of the box body, a lifting assembly is arranged on the bottom wall of the box body, and limiting columns are fixedly connected to the four corners of the top of the lifting assembly; the outer surfaces of the four limiting columns are jointly and slidably connected with a mounting table, two symmetrically-distributed power boxes are placed on the top of the mounting table, a dust isolation cover is fixedly connected to the top wall of the box body, a dust cleaning assembly is arranged at the left end of the box body, and a heat dissipation assembly is arranged on the right side wall of the box body. According to the monitoring power supply equipment with the dustproof effect, dust in the box body can be isolated and collected by designing the dust cleaning assembly, meanwhile, dust cleaning operation can be continuously conducted on the dust isolation plate through the cleaning brush, it is guaranteed that the dust isolation plate can be normally used, meanwhile, the dust isolation plate can be pulled out of the equipment to be replaced, and the dust isolation plate is convenient to use. And replacement and cleaning by workers are facilitated.
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Description

Technical Field

[0001] The invention relates to the technical field of power supply equipment, and in particular to a monitoring power supply equipment with dustproof effect. Background Art

[0002] Generally, the control and power supply parts of monitoring equipment installed indoors are installed in a power box. The power box can place the monitoring power supply and components, protect the monitoring power supply, and provide an installation place for the monitoring power supply.

[0003] Although the existing monitoring power supply box can be used for daily installation operations, in actual use, the power supply box is placed outdoors for a long time, which is prone to accumulate dust. In addition, the monitoring power supply installed in the power box is prone to generate high temperature during operation, which can easily cause the internal components of the monitoring power supply to be damaged due to high temperature, resulting in the use effect of the monitoring power supply equipment being not good enough.

[0004] Therefore, there is a need for a monitoring power supply device with dustproof effect to solve the problem in the prior art that the inside of the power box cannot be cleaned and dust collected. At the same time, it is also necessary to solve the problem of heat dissipation of the monitoring power supply inside the power box.

[0005] Chinese patent announcement No. CN217362191 U discloses a monitoring power supply device with dustproof effect, which belongs to the technical field of power supply equipment, including a box body, a protective box is fixedly connected to the inner wall of the box body, a carrying plate is arranged inside the protective box, a mounting groove is arranged on the upper surface of the carrying plate, a monitoring power supply is installed inside the mounting groove, a through hole is arranged on the inner wall of the mounting groove, a buffer mechanism is arranged on the lower surface of the carrying plate, a heat dissipation mechanism is arranged on the inner side wall of the box body, a second heat dissipation hole is arranged on the lower surface of the protective box, and a secondary filter is fixedly connected to the inner wall of the second heat dissipation hole, which can dissipate the heat of the monitoring power supply during use while preventing dust from entering the interior of the monitoring power supply, thereby effectively protecting the monitoring power supply and extending the service life of the monitoring power supply, and secondly, can reduce the shock of the monitoring power supply to avoid damage caused by bumps during transportation.

[0006] The above patent document can achieve heat dissipation of the monitoring power supply inside the box and perform shock absorption operations at the same time, but it cannot effectively perform dust prevention operations. Dust will adhere to the surface of the filter, thereby affecting the filtering effect. Summary of the invention

[0007] The main purpose of the present invention is to provide a monitoring power supply device with dust-proof effect, which can effectively solve the problem that dust adheres to the surface of the filter, thereby affecting the filtering effect.

[0008] To achieve the above object, the technical solution adopted by the present invention is:

[0009] A monitoring power supply device with dust-proof effect, comprising a box body, a protective door rotatably connected to the front end of the box body, a lifting assembly provided on the bottom wall of the box body, limiting columns fixedly connected to the four corners of the top of the lifting assembly, a mounting platform slidably connected to the outer surfaces of the four limiting columns, two symmetrically distributed power supply boxes placed on the top of the mounting platform, a dust cover fixedly connected to the top wall of the box body, a dust cleaning assembly provided on the left end of the box body, and a heat dissipation assembly provided on the right side wall of the box body.

[0010] Preferably, the lifting assembly includes a support base, the bottom of the support base is fixedly connected to the bottom wall of the box body, the bottom wall of the support base is rotatably connected to a threaded rod, and the threaded rod passes through the top of the support base, the outer surface of the threaded rod is fixedly connected to bevel gear 1, the outer surface of bevel gear 1 is meshed with bevel gear 2, the inner surface of bevel gear 2 is fixedly connected to rotating shaft 1, the outer surface of rotating shaft 1 is fixedly connected to a worm wheel, the outer surface of the worm wheel is meshed with a worm, and the front end of the worm is fixedly connected to a knob.

[0011] Preferably, the top of the threaded rod is threadedly connected to the bottom of the mounting platform.

[0012] Preferably, the dust cleaning assembly includes a rotating shaft 2, the right end of which is rotatably connected to the right side wall of the box body, a bevel gear 3 is fixedly connected to the left part of the outer surface of the rotating shaft 2, a bevel gear 4 is meshed on the outer surface of the bevel gear 3, a reciprocating screw is fixedly connected to the inner surface of the bevel gear 4, the left end of the box body is fixedly connected to two symmetrically distributed support blocks, and the reciprocating screw passes through one of the support blocks and is rotatably connected to the rear end of the other support block, a cleaning brush is slidably connected to the outer surface of the reciprocating screw, and a dust collecting assembly is fixedly connected to the left end of the box body.

[0013] Preferably, the dust collecting assembly includes a protective shell, the right end of the protective shell is fixedly connected to the left end of the box body, the top wall and the bottom wall of the protective shell are fixedly connected to track one, a dust screening plate is slidably connected between the two tracks one, two symmetrically distributed tracks two are fixedly connected to the bottom of the protective shell, a limiting plate is fixedly connected to the bottom of the protective shell, and a collection box is slidably connected between the two tracks two.

[0014] Preferably, the heat dissipation assembly includes a protective shell, the right end of the protective shell is fixedly connected to the right side wall of the box body, the right side wall of the box body is fixedly connected to a support platform, a motor is fixedly installed on the top of the support platform, the output end of the motor is fixedly connected to a rotating shaft through a coupling, the outer surface of the rotating shaft is fixedly connected to pulley one, the outer surface of the rotating shaft is fixedly connected to pulley two, a belt is wound around pulley one and pulley two, the outer surface of the rotating shaft is fixedly connected to blades distributed in a circular array, the right end of the dust cover is fixedly connected to an air inlet duct, the inner cavity of the air inlet duct is fixedly connected to a support frame, and the inner ring of the support frame is rotatably connected to the outer surface of the rotating shaft.

[0015] Preferably, a plurality of limit brackets matching the second rotating shaft are fixedly connected to the rear side wall of the box body.

[0016] Preferably, one end of the box body is provided with a plurality of evenly distributed ventilation holes.

[0017] Preferably, protective shell one and protective shell two are fixedly connected to the left end of the box body, and bevel gear three and bevel gear four are located inside protective shell one, the reciprocating screw and two support blocks are located inside protective shell two, and a sliding groove matching the cleaning brush is provided at the bottom of protective shell two.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. The present invention can realize the installation and heat dissipation of the power box by setting a lifting component in conjunction with the heat dissipation component. During use, by rotating the knob, the worm, worm wheel, rotating shaft one, bevel gear two, bevel gear one and threaded rod are driven to rotate in sequence, thereby driving the mounting platform to rise, and rising to the inside of the dust cover to perform heat dissipation operation through the heat dissipation component. The heat dissipation effect is good, and the monitoring power supply inside the power box can be effectively dissipated, thereby increasing the service life of the monitoring power supply.

[0020] 2. The present invention can isolate and collect the dust inside the box through the dust cleaning component, and can continuously clean the dust shield by a cleaning brush to ensure that the dust shield can be used normally. At the same time, the dust shield can be pulled out of the equipment for replacement, which is convenient for the staff to replace and clean. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 The overall structure of the present invention is cut away and shown in FIG. Figure 1 ;

[0023] Figure 3 The overall structure of the present invention is cut away and shown in FIG. Figure 2 ;

[0024] Figure 4 It is a schematic cross-sectional view of the overall structure of the present invention from another viewing angle;

[0025] Figure 5 For the present invention Figure 3 The enlarged schematic diagram at A in the middle;

[0026] Figure 6 For the present invention Figure 3 The enlarged schematic diagram of point B in the middle;

[0027] Figure 7 For the present invention Figure 3 The enlarged schematic diagram at C in the middle;

[0028] Figure 8 For the present invention Figure 3 The enlarged schematic diagram at D in the middle;

[0029] Fig. 9 For the present invention Figure 4 Enlarged schematic diagram at point E in the middle.

[0030] In the figure: 1. Box; 2. Protective door; 3. Lifting assembly; 31. Support base; 32. Threaded rod; 33. Bevel gear 1; 34. Bevel gear 2; 35. Rotating shaft 1; 36. Worm gear; 37. Worm; 38. Knob; 4. Limiting column; 5. Mounting table; 6. Power box; 7. Dust cover; 8. Dust cleaning assembly; 81. Rotating shaft 2; 82. Bevel gear 3; 83. Bevel gear 4; 84. Reciprocating screw; 85 , support block; 86, cleaning brush; 87, dust collection assembly; 871, protective shell; 872, track one; 873, dust shield; 874, track two; 875, limit plate; 876, collection box; 9, heat dissipation assembly; 91, protective shell; 92, support table; 93, motor; 94, rotating shaft; 95, pulley one; 96, pulley two; 97, belt; 98, blades; 99, air inlet pipe; 90, support frame. DETAILED DESCRIPTION

[0031] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0032] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, a monitoring power supply device with dustproof effect comprises a box body 1, a protective door 2 is rotatably connected to the front end of the box body 1, a lifting assembly 3 is arranged on the bottom wall of the box body 1, the lifting assembly 3 comprises a supporting base 31, the bottom of the supporting base 31 is fixedly connected to the bottom wall of the box body 1, a threaded rod 32 is rotatably connected to the bottom wall of the supporting base 31, and the threaded rod 32 passes through the top of the supporting base 31, the top of the threaded rod 32 is threadedly connected to the bottom of the mounting platform 5, a bevel gear 1 33 is fixedly connected to the outer surface of the threaded rod 32, a bevel gear 2 34 is meshed on the outer surface of the bevel gear 1 33, a rotating shaft 1 35 is fixedly connected to the inner surface of the bevel gear 2 34, a worm gear 36 is fixedly connected to the outer surface of the rotating shaft 1 35, a worm gear 37 is meshed on the outer surface of the worm gear 36, a knob 38 is fixedly connected to the front end of the worm gear 37, the four corners of the top of the lifting assembly 3 are fixedly connected to the limiting columns 4, the outer surfaces of the four limiting columns 4 are slidably connected to the mounting platform 5 together, and two symmetrically distributed power supply boxes 6 are placed on the top of the mounting platform 5;

[0033] The power box 6 used in this solution is a conventional design of the prior art. A monitoring power supply is placed inside the power box 6. Its shape and style can be designed accordingly according to the size and model of the monitoring power supply. This solution will not be described in detail.

[0034] When the power box 6 needs to be installed, just place the power box 6 in the installation slot on the mounting platform 5, and then rotate the knob 38. At this time, the knob 38 drives the worm 37 to rotate. When the worm 37 rotates, it will further drive the worm wheel 36 to rotate, thereby further driving the rotating shaft 1 35 to rotate. When the rotating shaft 1 35 rotates, it will further drive the bevel gear 2 34 on the outer surface to rotate. Since the bevel gear 2 34 and the bevel gear 1 33 are meshed with each other, when the bevel gear 2 34 starts to rotate, it will further drive the threaded rod 32 to rotate, so that the mounting platform 5 enters the dust cover 7.

[0035] like Figure 6 , Figure 7 and Figure 8As shown, a dust cover 7 is fixedly connected to the top wall of the box body 1, a dust cleaning assembly 8 is arranged at the left end of the box body 1, and the dust cleaning assembly 8 includes a rotating shaft 2 81, the right end of the rotating shaft 2 81 is rotatably connected to the right side wall of the box body 1, a bevel gear 3 82 is fixedly connected to the left part of the outer surface of the rotating shaft 2 81, a bevel gear 4 83 is meshed with the outer surface of the bevel gear 3 82, a reciprocating screw 84 is fixedly connected to the inner surface of the bevel gear 4 83, and two symmetrically distributed support blocks 85 are fixedly connected to the left end of the box body 1, and the reciprocating screw 84 passes through one of the support blocks 85 and is rotatably connected to the rear end of the other support block 85, A cleaning brush 86 is slidably connected to the outer surface of the multi-thread screw 84, a dust collecting assembly 87 is fixedly connected to the left end of the box body 1, and the dust collecting assembly 87 includes a protective shell 871, the right end of the protective shell 871 is fixedly connected to the left end of the box body 1, the top wall and the bottom wall of the protective shell 871 are fixedly connected to a track 1 872, a dust-shielding plate 873 is slidably connected between the two tracks 1 872, two symmetrically distributed tracks 2 874 are fixedly connected to the bottom of the protective shell 871, a limiting plate 875 is fixedly connected to the bottom of the protective shell 871, and a collection box 876 is slidably connected between the two tracks 2 874;

[0036] When the rotating shaft 2 81 starts to rotate, it will further drive the bevel gear 3 82 on the outer surface of the rotating shaft 2 81 to rotate, thereby further driving the bevel gear 4 83 to rotate. At this time, the bevel gear 4 83 will further drive the reciprocating screw 84 fixedly connected thereto to rotate. When the reciprocating screw 84 starts to rotate, the cleaning brush 86 will reciprocate on the outer surface of the reciprocating screw 84 to clean the dust attached to the surface of the dust shielding plate 873. The swept dust will fall into the collection box 876 for collection. The main function of the limit plate 875 is to play a limiting role, so as to facilitate better positioning of the collection box 876.

[0037] The dust-shielding plate 873 used in this solution is a conventional device in the prior art, and a filter plate is installed on its surface to isolate dust. Its model and size can be designed according to actual conditions, and this solution does not make too many restrictions.

[0038] like Figure 3 and Fig. 9As shown, a heat dissipation component 9 is provided on the right side wall of the box body 1, and the heat dissipation component 9 includes a protective shell 91, the right end of the protective shell 91 is fixedly connected to the right side wall of the box body 1, and a support platform 92 is fixedly connected to the right side wall of the box body 1. A motor 93 is fixedly installed on the top of the support platform 92, and an output end of the motor 93 is fixedly connected to a rotating shaft 94 through a coupling, a pulley 1 95 is fixedly connected to the outer surface of the rotating shaft 81, a pulley 2 96 is fixedly connected to the outer surface of the rotating shaft 94, a belt 97 is wound and connected between the pulley 1 95 and the pulley 2 96, and a blade 98 distributed in a ring array is fixedly connected to the outer surface of the rotating shaft 94, and an air inlet pipe 99 is fixedly connected to the right end of the dust cover 7, and a support frame 90 is fixedly connected to the inner cavity of the air inlet pipe 99, and the inner ring of the support frame 90 is rotatably connected to the outer surface of the rotating shaft 94;

[0039] After the motor 93 is started, its output end drives the rotating shaft 94 to rotate through the coupling, thereby driving the blades 98 on the outer surface of the rotating shaft 94 to rotate, and then dissipating the heat for the power box 6 inside the dust cover 7. When the rotating shaft 94 rotates, it will further drive the pulley 2 96 to rotate, and drive the pulley 1 95 to rotate through the belt 97, thereby driving the rotating shaft 2 81 to rotate.

[0040] like Figure 4 As shown, a plurality of limit brackets matching the second rotating shaft 81 are fixedly connected to the rear side wall of the box body 1. The limit brackets mainly support the second rotating shaft 81. A plurality of evenly distributed vents are opened at one end of the box body 1 to ensure the circulation of air inside and improve the heat dissipation effect.

[0041] like Figure 2 As shown, the left end of the box body 1 is fixedly connected with a protective shell 1 and a protective shell 2, and the bevel gear 3 82 and the bevel gear 4 83 are located inside the protective shell 1, the reciprocating screw 84 and the two support blocks 85 are located inside the protective shell 2, and a sliding groove matching the cleaning brush 86 is provided at the bottom of the protective shell 2. The protective shell 1 and the protective shell 2 can effectively protect some parts from external collisions, thereby improving the service life of the equipment;

[0042] The working principle of the present invention is as follows: when the power box 6 needs to be installed, the power box 6 only needs to be placed in the installation slot on the installation platform 5, and then the knob 38 is rotated. At this time, the knob 38 drives the worm 37 to rotate. When the worm 37 rotates, it will further drive the worm wheel 36 to rotate, thereby further driving the rotating shaft 1 35 to rotate. When the rotating shaft 1 35 rotates, it will further drive the bevel gear 2 34 on the outer surface to rotate. Since the bevel gear 2 34 and the bevel gear 1 33 are meshed with each other, when the bevel gear 2 34 starts to rotate, it will further drive the threaded rod 32 to rotate, thereby allowing the installation platform 5 to enter the dust cover 7; then start the motor 93. After the motor 93 is started, its output end drives the rotating shaft 94 to rotate through the coupling, thereby driving the rotating shaft 94 to rotate outside. The blades 98 on the surface rotate, thereby dissipating the heat for the power box 6 inside the dust cover 7. When the rotating shaft 94 rotates, it will further drive the pulley 2 96 to rotate, and drive the pulley 1 95 to rotate through the belt 97, thereby driving the rotating shaft 2 81 to rotate; when the rotating shaft 2 81 starts to rotate, it will further drive the bevel gear 3 82 on the outer surface of the rotating shaft 2 81 to rotate, thereby further driving the bevel gear 4 83 to rotate, and at this time the bevel gear 4 83 will further drive the reciprocating screw 84 fixedly connected thereto to rotate, and when the reciprocating screw 84 starts to rotate, the cleaning brush 86 will reciprocate on the outer surface of the reciprocating screw 84 to clean the dust attached to the surface of the dust shield 873, and the swept dust will fall into the collection box 876 for collection.

[0043] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A monitoring power supply device with dustproof effect, comprising a box (1), characterized in that: The front end of the box body (1) is rotatably connected to a protective door (2); the bottom wall of the box body (1) is provided with a lifting assembly (3); the four corners of the top of the lifting assembly (3) are fixedly connected to limit columns (4); the outer surfaces of the four limit columns (4) are slidably connected to a mounting platform (5); two symmetrically distributed power supply boxes (6) are placed on the top of the mounting platform (5); the top wall of the box body (1) is fixedly connected to a dust cover (7); the left end of the box body (1) is provided with a dust cleaning assembly (8); and the right side wall of the box body (1) is provided with a heat dissipation assembly (9).

2. The monitoring power supply device with dustproof effect according to claim 1, characterized in that: The lifting assembly (3) comprises a support base (31), the bottom of the support base (31) is fixedly connected to the bottom wall of the box body (1), the bottom wall of the support base (31) is rotatably connected to a threaded rod (32), and the threaded rod (32) passes through the top of the support base (31), the outer surface of the threaded rod (32) is fixedly connected to a bevel gear 1 (33), the outer surface of the bevel gear 1 (33) is meshed with a bevel gear 2 (34), the inner surface of the bevel gear 2 (34) is fixedly connected to a rotating shaft 1 (35), the outer surface of the rotating shaft 1 (35) is fixedly connected to a worm wheel (36), the outer surface of the worm wheel (36) is meshed with a worm (37), and the front end of the worm (37) is fixedly connected to a knob (38).

3. The monitoring power supply device with dustproof effect according to claim 2, characterized in that: The top of the threaded rod (32) is threadedly connected to the bottom of the mounting platform (5).

4. The monitoring power supply device with dustproof effect according to claim 1, characterized in that: The dust cleaning component (8) comprises a second rotating shaft (81), the right end of which is rotatably connected to the right side wall of the housing (1), a bevel gear (82) is fixedly connected to the left portion of the outer surface of the second rotating shaft (81), a bevel gear (83) is meshed with the outer surface of the bevel gear (82), a reciprocating screw (84) is fixedly connected to the inner surface of the bevel gear (83), the left end of the housing (1) is fixedly connected to two symmetrically distributed support blocks (85), the reciprocating screw (84) passes through one of the support blocks (85) and is rotatably connected to the rear end of the other support block (85), a cleaning brush (86) is slidably connected to the outer surface of the reciprocating screw (84), and a dust collecting component (87) is fixedly connected to the left end of the housing (1).

5. The monitoring power supply device with dustproof effect according to claim 4, characterized in that: The dust collecting assembly (87) comprises a protective shell (871), the right end of the protective shell (871) is fixedly connected to the left end of the box body (1), the top wall and the bottom wall of the protective shell (871) are fixedly connected to a track 1 (872), a dust-shielding plate (873) is slidably connected between the two tracks 1 (872), the bottom of the protective shell (871) is fixedly connected to two symmetrically distributed tracks 2 (874), the bottom of the protective shell (871) is fixedly connected to a limiting plate (875), and a collection box (876) is slidably connected between the two tracks 2 (874).

6. The monitoring power supply device with dustproof effect according to claim 4, characterized in that: The heat dissipation component (9) comprises a protective shell (91), the right end of which is fixedly connected to the right side wall of the box body (1), the right side wall of the box body (1) is fixedly connected to a support platform (92), a motor (93) is fixedly installed on the top of the support platform (92), the output end of the motor (93) is fixedly connected to a rotating shaft (94) through a coupling, the outer surface of the rotating shaft (81) is fixedly connected to a pulley one (95), the outer surface of the rotating shaft (94) is fixedly connected to a pulley two (96), a belt (97) is wound between the pulley one (95) and the pulley two (96), the outer surface of the rotating shaft (94) is fixedly connected to blades (98) distributed in a ring array, the right end of the dust cover (7) is fixedly connected to an air inlet pipe (99), the inner cavity of the air inlet pipe (99) is fixedly connected to a support frame (90), and the inner ring of the support frame (90) is rotatably connected to the outer surface of the rotating shaft (94).

7. The monitoring power supply device with dustproof effect according to claim 4, characterized in that: The rear side wall of the box body (1) is fixedly connected with a plurality of limit brackets matching the second rotating shaft (81).

8. The monitoring power supply device with dustproof effect according to claim 1, characterized in that: One end of the box body (1) is provided with a plurality of evenly distributed ventilation openings.

9. The monitoring power supply device with dustproof effect according to claim 4, characterized in that: The left end of the box body (1) is fixedly connected with a protective shell one and a protective shell two, and the bevel gear three (82) and the bevel gear four (83) are located inside the protective shell one, the reciprocating screw (84) and the two support blocks (85) are all located inside the protective shell two, and the bottom of the protective shell two is provided with a sliding groove matching the cleaning brush (86).

Citation Information

Patent Citations

  • Monitoring power supply equipment with dustproof effect

    CN217362191U