Low voltage switchgear

By using a combination of filter belt and servo motor-driven cleaning rollers in the low-voltage switch cabinet, the problem of difficulty in cleaning up dust adhesion is solved, and the components are quickly dissipated through the heat dissipation mechanism, ensuring the normal operation of the device and efficient heat dissipation.

CN222735598UActive Publication Date: 2025-04-08ZHEJIANG GUANGHONG ELECTRIC COMPLETE

Patent Information

Application Number
CN202421404482.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-19
Publication Date
2025-04-08
Estimated Expiration
2034-06-19

AI Technical Summary

Technical Problem

In existing low-voltage switch cabinets, external dust adheres to the filter screen and is difficult to clean. If you fail to clean it for a long time, it will cause the filter hole to be blocked and affect the heat dissipation of the components.

Method used

A low-voltage switch cabinet is designed, using a filter belt to filter the external dust, and the roller column and the filter belt are driven to rotate simultaneously through a servo motor. The dust on the surface of the filter belt is cleaned by a cleaning roller, and the components are quickly dissipated by a fan, air collector and radiator through a heat dissipation mechanism.

Benefits of technology

It effectively avoids dust entering, simplifies the dust cleaning process, avoids clogging of filter holes, and ensures good heat dissipation effect of the components.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222735598U_ABST
    Figure CN222735598U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of low-voltage switch cabinets, and discloses a low-voltage switch cabinet, including a switch box, a hollow box is fixedly connected to the right side of the switch box, a fan is fixedly connected to the top of the hollow box, an air inlet is opened on the right side of the hollow box, an inclined plate is fixedly connected to the inside of the hollow box, a servo motor is fixedly connected to the front side of the hollow box, the output end of the servo motor passes through the front side of the hollow box and is fixedly connected to roller column 1, the inner side of the hollow box is rotatably connected to roller column 2, and roller column 1 and roller column 2 are connected through a filter belt. In the utility model, the servo motor is started to drive the filter belt and the cleaning roller to rotate synchronously, the cleaning roller cleans the dust on the surface of the filter belt, and the sucked air is centrally exhausted through the air collecting hood, and the cold air is discharged through multiple exhaust pipes, and finally the left and right sides of the equipment are quickly cooled.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of low-voltage switch cabinets, in particular to a low-voltage switch cabinet. Background Art

[0002] Low-voltage switchgear is a vital component of the power system, responsible for controlling and protecting the safe and stable operation of low-voltage circuits. It integrates multiple electrical components such as circuit breakers, contactors, and relays to achieve circuit separation and combination, overload protection, and short-circuit protection.

[0003] After searching, the Chinese patent announcement number is: CN220797585U, which discloses a low-voltage switch cabinet. The utility model includes a cabinet body, and two groups of cabinet doors are rotatably connected at the opening of the cabinet body through hinges. Multiple groups of partitions are slidably connected inside the cabinet body, and multiple groups of holes are penetrated through the multiple groups of partitions. Multiple groups of air inlets are opened on the side wall of the cabinet body, and multiple groups of air outlets are opened on the side of the cabinet body opposite to the air inlet. The outsides of the multiple groups of air outlets are fixedly connected with mounting plates, and negative pressure fans are rotatably connected inside the mounting plates; by arranging multiple groups of air inlets and multiple groups of air outlets opposite to each other on the side wall of the cabinet body, and arranging negative pressure fans and protective components at the air outlets, it is not easy for dust to fall into the air inlet, thereby not affecting the amount of flowing air entering, and the negative pressure fan is not easy to hurt people. Components are installed on the partitions, and wind flows horizontally from the inside of the cabinet body, so that the air flow effect on the surface of each layer of components in the cabinet is better, thereby ensuring that the heat dissipation effect of each layer of components is better. However, in actual use, the above device has the problem that external dust adheres to the filter net and is difficult to clean. The entire protective assembly needs to be disassembled before it can be removed. If it is not cleaned for a long time, the filter holes will be blocked, affecting the heat dissipation of the components. Therefore, a low-voltage switch cabinet is proposed to solve the above problem. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a low-voltage switch cabinet, aiming to improve the problem in the prior art that external dust adheres to the filter net and is difficult to clean. If it is not cleaned for a long time, the filter holes will be blocked, affecting the heat dissipation of the components.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a low-voltage switch cabinet, including a switch box, a hollow box is fixedly connected to the right side of the switch box, a fan is fixedly connected to the top of the hollow box, an air inlet is opened on the right side of the hollow box, and an inclined plate is fixedly connected to the inside of the hollow box, a servo motor is fixedly connected to the front side of the hollow box, the output end of the servo motor passes through the front side of the hollow box and is fixedly connected to roller one, the inner side of the hollow box is rotatably connected to roller two, the roller one and the roller two are connected by a filter belt, the front end of the roller two is fixedly connected to gear one, the outer wall of the gear one is meshingly connected to gear two, the rear side of the gear two is fixedly connected to a cleaning roller, and a heat dissipation mechanism is provided on the inner side of the switch box.

[0006] Through the above technical scheme: the absorbed external dust is filtered through the filter belt, and then the servo motor can drive roller one and roller two to rotate synchronously by starting, and then drive the filter belt to move downward, and at the same time, gear one drives gear two to rotate, and the surface dust of the filter belt is cleaned by the cleaning roller.

[0007] As a further description of the above technical solution:

[0008] The heat dissipation mechanism includes multiple layer plates, the left and right sides of the multiple layer plates are fixedly connected to the inside of the switch box, the tops of the multiple layer plates are fixedly connected with heat sinks, the top of the fan is fixedly connected with an air collecting hood, the top of the air collecting hood is connected with a connecting pipe, the other ends of the connecting pipes pass through the top of the switch box and are connected with a mounting seat, the bottoms of two of the mounting seats are connected with multiple exhaust ducts, adjacent sides of the multiple exhaust ducts are provided with exhaust ports, and the rear side of the switch box is provided with multiple heat dissipation ports.

[0009] Through the above technical solution: the internal components are sucked through the heat sink, the external air is collected through the air collecting hood, and then the cold gas is discharged into the exhaust duct through the connecting pipe, and finally the left and right sides of the internal components are fully cooled through the exhaust port.

[0010] As a further description of the above technical solution:

[0011] The right side of the switch box is fixedly connected with a tripod, and the tops of the two tripods are fixedly connected with a placement plate.

[0012] Through the above technical solution: the firmness of the placement plate is improved by using the tripod.

[0013] As a further description of the above technical solution:

[0014] The bottom of the hollow box is slidably connected with a collecting box, and the bottom of the collecting box is arranged on the top of the placing plate.

[0015] Through the above technical solution: the collection box can collect the cleaned dust in a centralized manner.

[0016] As a further description of the above technical solution:

[0017] The front side of the switch box is rotatably connected with a rotating shaft, and the outer wall of the rotating shaft is rotatably connected with a box door.

[0018] Through the above technical solution: the box door is installed and connected through the rotating shaft, and the box door can improve the sealing performance of the switch box.

[0019] As a further description of the above technical solution:

[0020] The front side of the box door is fixedly connected with a controller, and the front side of the box door is fixedly connected with an observation window.

[0021] Through the above technical solution: simple operation control is performed on the operating equipment on the entire device through the controller.

[0022] As a further description of the above technical solution:

[0023] A handle is fixedly connected to the front side of the box door, and an anti-slip sleeve is fixedly connected to the outer wall of the handle.

[0024] Through the above technical solution: the box door can be opened conveniently by using the handle in conjunction with the anti-slip cover.

[0025] As a further description of the above technical solution:

[0026] Universal wheels are installed at the four corners of the bottom of the switch box, and support columns are fixedly connected to the four corners of the bottom of the switch box.

[0027] Through the above technical solution: the mobility of the device can be improved by the universal wheels, and the stability of the device can be improved by the support columns.

[0028] The utility model has the following beneficial effects:

[0029] 1. In the utility model, the external air is filtered by the filter belt to prevent dust from entering, and the servo motor is started to drive the filter belt and roller 2 to rotate. Gear 1 is installed at the front end of roller 2. When roller 2 rotates, it drives the cleaning roller on gear 2 to rotate synchronously, and the dust on the surface of the filter belt is cleaned by the cleaning roller.

[0030] 2. In the utility model, the equipment is placed through the layer plate, the heat sink absorbs the temperature generated by the equipment, and the absorbed air is centrally exhausted through the air collecting hood. When the air is discharged through the connecting pipe with a smaller inner diameter, the air temperature will gradually decrease in the connecting pipe, and then the cold air will be discharged through multiple exhaust pipes, and finally the left and right sides of the equipment will be quickly cooled. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 A three-dimensional schematic diagram of the low-voltage switchgear proposed by the utility model;

[0032] Figure 2 It is a partial structural schematic diagram of the low-voltage switch cabinet proposed by the utility model;

[0033] Figure 3 This is a schematic structural diagram of the filtering device of the low-voltage switch cabinet proposed by the utility model.

[0034] Legend:

[0035] 1. Switch box; 2. Heat dissipation mechanism; 201. Shelf; 202. Heat sink; 203. Air hood; 204. Connecting pipe; 205. Mounting seat; 206. Exhaust duct; 207. Exhaust port; 208. Heat dissipation port; 3. Hollow box; 4. Air inlet; 5. Inclined plate; 6. Servo motor; 7. Roller 1; 8. Roller 2; 9. Filter belt; 10. Gear 1; 11. Gear 2; 12. Cleaning roller; 13. Fan; 14. Collecting box; 15. Tripod; 16. Placement plate; 17. Rotating shaft; 18. Box door; 19. Observation window; 20. Controller; 21. Handle; 22. Anti-slip cover; 23. Support column; 24. Universal wheel. DETAILED DESCRIPTION

[0036] 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.

[0037] Reference Figure 1 and Figure 3 The utility model provides an embodiment: a low-voltage switch cabinet, including a switch box 1, a hollow box 3 is fixedly connected to the right side of the switch box 1, a fan 13 is fixedly connected to the top of the hollow box 3, an air inlet 4 is opened on the right side of the hollow box 3, an inclined plate 5 is fixedly connected to the inside of the hollow box 3, a servo motor 6 is fixedly connected to the front side of the hollow box 3, the output end of the servo motor 6 passes through the front side of the hollow box 3 and is fixedly connected to a roller column 1 7, the inner side of the hollow box 3 is rotatably connected to a roller column 2 8, and the roller column 1 7 and the roller column 1 8 are connected to the roller column 1 8. Column 2 8 is connected through a filter belt 9, the front end of roller column 2 8 is fixedly connected with gear 10, the outer wall of gear 10 is meshingly connected with gear 2 11, the rear side of gear 2 11 is fixedly connected with a cleaning roller 12, a heat dissipation mechanism 2 is provided on the inner side of the switch box 1, a tripod 15 is fixedly connected to the right side of the switch box 1, a placement plate 16 is fixedly connected to the top of the two tripods 15, a collecting box 14 is slidably connected to the bottom of the hollow box 3, and the bottom of the collecting box 14 is provided on the top of the placement plate 16.

[0038] Specifically, a hollow box 3 is installed on the right side of the switch box 1, a fan 13 is installed on the top of the hollow box 3, and an air inlet 4 is opened on the right side of the hollow box 3. The fan 13 is started to absorb air through the air inlet 4. An inclined plate 5 is installed inside the hollow box 3, and the concentration of air suction can be ensured by the inclined plate 5. Roller 1 7 and roller 2 8 are installed above and below the hollow box 3, respectively. Roller 1 7 and roller 2 8 are connected by a filter belt 9, and the filter belt 9 can filter the air sucked from the outside to prevent dust from entering. A servo motor 6 is installed on the front side of the hollow box 3. The output end of the servo motor 6 is connected to the roller 1 7. The filter belt 9 and the roller 2 8 are driven to rotate by starting the servo motor 6. A gear 10 is installed at the front end of the roller 2 8. The gear 10 is meshed with the gear 2 11. When the roller 2 8 rotates, it drives the cleaning roller 12 on the gear 2 11 to rotate synchronously. The dust on the surface of the filter belt 9 is cleaned by the cleaning roller 12.

[0039] Reference Figure 1 and Figure 2 The heat dissipation mechanism 2 includes a plurality of layer plates 201, the left and right sides of the plurality of layer plates 201 are fixedly connected to the inside of the switch box 1, the tops of the plurality of layer plates 201 are fixedly connected with heat sinks 202, the top of the fan 13 is fixedly connected with an air collecting hood 203, the top of the air collecting hood 203 is connected with a connecting pipe 204, the other ends of the connecting pipe 204 pass through the top of the switch box 1 and are connected with a mounting seat 205, the bottoms of the two mounting seats 205 are connected with a plurality of exhaust pipes 206, the adjacent sides of the plurality of exhaust pipes 206 are provided with exhaust ports 207, and the rear side of the switch box 1 is provided with a plurality of heat dissipation ports 208.

[0040] Specifically, multiple layers 201 are installed inside the switch box 1, and the equipment is placed through the layers 201. Multiple heat sinks 202 are installed on the top of the layers 201, and the temperature generated by the equipment can be absorbed and discharged through the heat sinks 202. An air collecting hood 203 is installed on the top of the fan 13, and the absorbed external air is exhausted through the air collecting hood 203. When the air is discharged through the connecting pipe 204 with a smaller inner diameter, the air will gradually reduce its temperature in the connecting pipe 204, and then the cold air will be discharged through multiple exhaust pipes 206, so that the equipment can be quickly cooled on both sides.

[0041] Reference Figure 1The front side of the switch box 1 is rotatably connected to a rotating shaft 17, the outer wall of the rotating shaft 17 is rotatably connected to a box door 18, the front side of the box door 18 is fixedly connected to a controller 20, the front side of the box door 18 is fixedly connected to an observation window 19, the front side of the box door 18 is fixedly connected to a handle 21, the outer wall of the handle 21 is fixedly connected to an anti-slip sleeve 22, universal wheels 24 are installed at the four corners of the bottom of the switch box 1, and support columns 23 are fixedly connected to the four corners of the bottom of the switch box 1.

[0042] Specifically, the box door 18 is installed and fixed by the rotating shaft 17, and the box door 18 can ensure the sealing of the switch box 1. At the same time, the controller 20 can easily perform simple operation control on the operating equipment on the entire device. The universal wheels 24 and support columns 23 installed at the bottom of the switch box 1 can improve the stability and mobility of the device.

[0043] Working principle: First, start the fan 13 to absorb air through the air inlet 4. An inclined plate 5 is installed inside the hollow box 3, and the inclined plate 5 can ensure the concentration of air intake. The air inhaled from the outside can be filtered through the filter belt 9 to prevent dust from entering. The servo motor 6 is started to drive the filter belt 9 and the roller column 2 8 to rotate. A gear 10 is installed at the front end of the roller column 2 8. The gear 10 is meshed with the gear 2 11. The roller column 2 8 drives the cleaning roller 12 on the gear 2 11 to rotate synchronously while rotating. The dust on the surface of the filter belt 9 is cleaned by the cleaning roller 12, and the equipment is placed through the layer plate 201. The heat sink 202 can absorb the temperature generated by the equipment. The absorbed external air is exhausted through the air collecting hood 203. When the air is discharged through the connecting pipe 204 with a smaller inner diameter, the air will gradually reduce the temperature in the connecting pipe 204, and then the cold air will be discharged through multiple exhaust pipes 206, so that the equipment can be quickly cooled on both sides.

[0044] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A low voltage switch cabinet, comprising a switch box (1), characterized in that: The right side of the switch box (1) is fixedly connected to a hollow box (3), the top of the hollow box (3) is fixedly connected to a fan (13), the right side of the hollow box (3) is provided with an air inlet (4), the interior of the hollow box (3) is fixedly connected to an inclined plate (5), the front side of the hollow box (3) is fixedly connected to a servo motor (6), the output end of the servo motor (6) passes through the front side of the hollow box (3) and is fixedly connected to a roller column 1 (7), the inner side of the hollow box (3) is rotatably connected to a roller column 2 (8), the roller column 1 (7) and the roller column 2 (8) are connected via a filter belt (9), the front end of the roller column 2 (8) is fixedly connected to a gear column 1 (10), the outer wall of the gear column 1 (10) is meshingly connected to a gear column 2 (11), the rear side of the gear column 2 (11) is fixedly connected to a cleaning roller (12), and a heat dissipation mechanism (2) is provided on the inner side of the switch box (1).

2. The low voltage switch cabinet according to claim 1, characterized in that: The heat dissipation mechanism (2) comprises a plurality of layer plates (201), the left and right sides of the plurality of layer plates (201) are fixedly connected to the inside of the switch box (1), the tops of the plurality of layer plates (201) are fixedly connected with heat sinks (202), the top of the fan (13) is fixedly connected with an air collecting hood (203), the top of the air collecting hood (203) is connected with a connecting pipe (204), the other ends of the connecting pipes (204) pass through the top of the switch box (1) and are connected with a mounting seat (205), the bottoms of the two mounting seats (205) are connected with a plurality of exhaust pipes (206), the adjacent sides of the plurality of exhaust pipes (206) are provided with exhaust ports (207), and the rear side of the switch box (1) is provided with a plurality of heat dissipation ports (208).

3. The low voltage switch cabinet according to claim 1, characterized in that: The right side of the switch box (1) is fixedly connected to a tripod (15), and the tops of the two tripods (15) are fixedly connected to a placement plate (16).

4. The low voltage switch cabinet according to claim 1, characterized in that: The bottom of the hollow box (3) is slidably connected to a collecting box (14), and the bottom of the collecting box (14) is arranged on the top of the placement plate (16).

5. The low voltage switch cabinet according to claim 1, characterized in that: The front side of the switch box (1) is rotatably connected to a rotating shaft (17), and the outer wall of the rotating shaft (17) is rotatably connected to a box door (18).

6. The low voltage switch cabinet according to claim 5, characterized in that: A controller (20) is fixedly connected to the front side of the box door (18), and an observation window (19) is fixedly connected to the front side of the box door (18).

7. The low voltage switch cabinet according to claim 5, characterized in that: A handle (21) is fixedly connected to the front side of the box door (18), and an anti-slip sleeve (22) is fixedly connected to the outer wall of the handle (21).

8. The low voltage switch cabinet according to claim 1, characterized in that: Universal wheels (24) are installed at the four corners at the bottom of the switch box (1), and support columns (23) are fixedly connected to the four corners at the bottom of the switch box (1).

Citation Information

Patent Citations

  • Low-voltage switch cabinet

    CN220797585U

Cited By

  • Low-temperature-rise three-dimensional heat-dissipation Huai-type box transformer substation low-voltage chamber for smart power grid

    CN120674927A

  • A low-temperature-rise three-dimensional heat dissipation Chinese-style box transformer substation low-voltage chamber for smart grid

    CN120674927B