Low-voltage distribution box convenient to overhaul

Abstract

The low-voltage distribution box comprises a box body and a mounting plate, a travel switch is fixed at one end of the inner top wall of the box body, a ceiling lamp is fixed in the middle of the inner top wall of the box body, a partition plate is fixed at the bottom end of the inner rear wall of the box body, and a drawer is arranged at the bottom end of the inner part of the box body. Sliding rails are fixed to the left side and the right side of the drawer, a microswitch is fixed to the rear end of the drawer, and side illuminating lamps are fixed to the inner walls of the left side and the right side of the box body. Compared with an existing low-voltage distribution box, the low-voltage distribution box convenient to overhaul is provided with the convenient illumination mechanism and the maintenance tool storage mechanism, when a worker maintains equipment in the low-voltage distribution box convenient to overhaul, good illumination can be achieved without additionally carrying a light source, the maintenance convenience is improved, and the maintenance efficiency is improved. And meanwhile, the device is provided with a heat insulation and heat dissipation mechanism, the internal temperature of the device can be prevented from being too high, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of power distribution equipment, in particular to a low-voltage power distribution box which is easy to maintain. Background Art

[0002] Mechanical and electrical installation projects usually include electrical, ventilation, water supply and drainage, and equipment installation. In mechanical and electrical engineering, the low-voltage distribution box is a complete set of equipment that centrally installs switches, instruments and other equipment. The low-voltage distribution box is easy to manage and is conducive to maintenance when a circuit failure occurs.

[0003] The publication number authorized by China is CN206628751U, and the patent is named low-voltage power distribution box. The device includes a distribution box body, a groove is arranged on the side wall of the distribution box body, and a through heat dissipation hole is arranged on the groove. A guide groove is also arranged on the groove, and a guide rod is arranged on the guide groove. One end of the guide rod is arranged inside the distribution box body and connected to a limit block, and the other end of the guide rod is arranged outside the distribution box body and connected to a sealing plate. The sealing plate can be snapped into the groove to seal the heat dissipation hole. By arranging the groove on the side wall and the heat dissipation hole on the groove, the sealing plate of the heat dissipation hole can be opened and closed. When it rains, the heat dissipation hole is closed by the sealing plate to ensure that water does not enter the cabinet; a drawer is also arranged on the distribution box body on the lower side of the box door, and a partition is arranged between the drawer and the distribution box body, and air holes are arranged on the partition. By arranging a desiccant in the drawer, the distribution box can be kept dry.

[0004] Although the above device can keep the inside of the distribution box dry, there are still some problems when using the device:

[0005] 1. The device does not have a convenient lighting mechanism. When the staff inspects the equipment inside the device, due to the dim light inside, they need to carry a light source for lighting, which makes the inspection more troublesome.

[0006] 2. The device does not have a sunshade and heat insulation structure. Although it has heat dissipation holes, when the sunlight is strong at noon in summer, the sunlight will directly shine on the top and outer walls of the device, causing the internal temperature to rise.

[0007] In view of the above situation, technical innovation is carried out based on the existing low-voltage distribution box. Utility Model Content

[0008] The purpose of the utility model is to provide a low-voltage distribution box that is easy to maintain, so as to solve the problems raised in the above-mentioned background technology.

[0009] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a low-voltage distribution box that is easy to maintain, comprising a box body and a mounting plate, a travel switch is fixed at one end of the inner top wall of the box body, and a ceiling lamp is fixed in the middle of the inner top wall of the box body, a partition is fixed at the bottom end of the inner rear wall of the box body, and a drawer is arranged at the inner bottom end of the box body, slide rails are fixed on the left and right sides of the drawer, and a micro switch is fixed at the rear end of the drawer, side lights are fixed on the left and right inner walls of the box body, and the side lights are electrically connected to the micro switch, and the mounting plate is fixed to the middle of the inner rear wall of the box body.

[0010] Furthermore, a ventilation louver is arranged inside an outer wall of one side of the box body, and the ventilation louver is embedded and fixed to the box body.

[0011] Furthermore, an exhaust fan is arranged inside the outer wall of the box body on one side away from the ventilation louvers, and the exhaust fan is embedded and fixed to the box body.

[0012] Furthermore, columns are fixed on both left and right sides of the top of the box body, and rain shields are fixed on the tops of the columns.

[0013] Furthermore, a heat insulation layer is provided on the outer bottom wall of the rain shield, and the heat insulation layer and the rain shield are bonded and fixed.

[0014] Furthermore, solar panels are fixed on both left and right sides of the top of the rain shield, a power supply compartment is fixed in the middle of the top of the box body, and the solar panels are electrically connected to the power supply compartment.

[0015] Furthermore, a support assembly is fixed to the bottom end of the box body, and the support assembly includes support legs and cross braces, and the inner side of the support legs is welded with a cross brace.

[0016] Compared with the prior art, the beneficial effects of the utility model are: the device is provided with a convenient lighting mechanism and a maintenance tool storage mechanism. When the staff repairs the equipment inside the device, better lighting can be achieved without carrying an additional light source, which is conducive to improving the convenience of maintenance. At the same time, the device is provided with a heat insulation and heat dissipation mechanism, which can prevent the internal temperature of the device from being too high, which is conducive to improving the practicality of the device.

[0017] 1. The utility model is provided with a travel switch, a ceiling lamp, a partition, a drawer, a slide rail, a micro switch and a side lamp. The trigger component of the travel switch is connected to the box door, and the ceiling lamp is electrically connected to the travel switch. When the user opens the box door, the travel switch energizes the ceiling lamp and automatically turns it on, which is convenient for the user to check the inside of the device. The drawer is slidably connected to the box body through the slide rail. The micro switch is a normally closed micro switch. When the drawer is closed, the micro switch contacts the rear wall of the box body. At this time, the micro switch is powered off. When the user needs to repair the device , the drawer can be pulled out, at this time the micro switch turns on the side light, the side light will emit light, further improving the lighting effect, and under the illumination of the ceiling light and the side light, the shadow caused by the equipment in the device can be effectively reduced, making it easier to see the details of the equipment during maintenance. During maintenance, maintenance tools and small parts such as screws and nuts can be stored in the drawer to avoid loss of parts. Through the above structure, when the staff repairs the equipment inside the device, they can achieve better lighting without carrying an additional light source, which is conducive to improving the convenience of maintenance.

[0018] 2. The utility model is provided with ventilation louvers, exhaust fans, rain shields, insulation layers, solar panels and power supply compartments. The exteriors of the box body and the rain shields are sprayed with weather-resistant white paint, which has a low heat absorption rate. On rainy days, the rain shields can guide rainwater falling on the top of the device to both sides. On sunny days, the rain shields can block the midday sun to prevent the box body of the device from being overheated by the sun. The insulation layer can effectively prevent the sun from heating the air between the rain shield and the box body. The power supply compartment can supply power to the exhaust fan so that the exhaust fan can discharge the hot air inside the box. The power supply compartment is provided with batteries and solar controllers, and the solar panels are electrically connected to the power supply compartment. On sunny days, the solar panels can effectively convert solar energy into electrical energy and charge the batteries through the solar controller. The above structure can prevent the internal temperature of the device from being too high, which is beneficial to improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a front view structural schematic diagram of a low-voltage distribution box that is easy to maintain according to the utility model;

[0020] Figure 2 It is a partial front view and cross-sectional enlarged structural schematic diagram of a low-voltage distribution box that is easy to repair in the utility model, including a box body, a travel switch, a ceiling lamp, a drawer, a side lamp, a mounting plate and an exhaust fan;

[0021] Figure 3 The utility model is a partial side view and cross-sectional enlarged structural schematic diagram of a box body, a partition, a drawer, a slide rail and a micro switch of a low-voltage distribution box which is easy to repair.

[0022] In the figure: 1. box body; 2. travel switch; 3. ceiling light; 4. partition; 5. drawer; 6. slide rail; 7. micro switch; 8. side light; 9. mounting plate; 10. ventilation shutter; 11. exhaust fan; 12. column; 13. rain shield; 14. insulation layer; 15. solar panel; 16. power supply compartment; 17. support assembly; 1701. support foot; 1702. cross brace. DETAILED DESCRIPTION

[0023] The following is combined with Figure 1-3 The principles and features of the present invention are described, and the examples given are only used to explain the present invention, and are not used to limit the scope of the present invention. The present invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become clearer according to the following description and claims. It should be noted that the drawings are all in a very simplified form and are not in precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.

[0024] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0026] like Figure 1-3As shown, a low-voltage distribution box which is easy to maintain includes a box body 1 and a mounting plate 9, a travel switch 2 is fixed to one end of the inner top wall of the box body 1, and a ceiling lamp 3 is fixed to the middle of the inner top wall of the box body 1, a partition 4 is fixed to the bottom end of the inner rear wall of the box body 1, and a drawer 5 is arranged at the inner bottom end of the box body 1, slide rails 6 are fixed to the left and right sides of the drawer 5, and a micro switch 7 is fixed to the rear end of the drawer 5, side lights 8 are fixed to the inner walls of the left and right sides of the box body 1, and the side lights 8 are electrically connected to the micro switch 7, the mounting plate 9 is fixed to the middle of the inner rear wall of the box body 1, the trigger component of the travel switch 2 is connected to the box door, and the ceiling lamp 3 is electrically connected to the travel switch 2. When the user opens the box door, the travel switch 2 energizes the ceiling lamp 3 and turns it on automatically, which is convenient for the user to check the inside of the device. The rail 6 is slidably connected to the box body 1, and the microswitch 7 is a normally closed microswitch 7. When the drawer 5 is closed, the microswitch 7 is in contact with the rear wall of the box body 1. At this time, the microswitch 7 is powered off. When the user needs to repair the device, the drawer 5 can be pulled out. At this time, the microswitch 7 turns on the side light 8, and the side light 8 will emit light, further improving the lighting effect. In addition, under the illumination of the ceiling light 3 and the side light 8, the shadow caused by the obstruction of the equipment in the device can be effectively reduced, making it easier to see the details of the equipment during maintenance. During maintenance, maintenance tools and small parts such as screws and nuts can be stored in the drawer 5 to avoid loss of parts. Through the above structure, when the staff repairs the equipment inside the device, they can achieve better lighting without carrying an additional light source, which is conducive to improving the convenience of maintenance.

[0027] like Figure 1-3As shown, a ventilation louver 10 is arranged inside the outer wall of one side of the box body 1, and the ventilation louver 10 is embedded and fixed with the box body 1, an exhaust fan 11 is arranged inside the outer wall of the side of the box body 1 away from the ventilation louver 10, and the exhaust fan 11 is embedded and fixed with the box body 1, columns 12 are fixed on the left and right sides of the top of the box body 1, and a rain shield 13 is fixed on the top of the column 12, an insulation layer 14 is arranged on the outer bottom wall of the rain shield 13, and the insulation layer 14 and the rain shield 13 are adhesively fixed, solar panels 15 are fixed on the left and right sides of the top of the rain shield 13, a power supply compartment 16 is fixed in the middle of the top of the box body 1, and the solar panel 15 is electrically connected to the power supply compartment 16, a support assembly 17 is fixed at the bottom end of the box body 1, and the support assembly 17 includes a support foot 1701 and a cross brace 1702, and the cross brace 1702 is welded on the inner side of the support foot 1701. The exterior of the box body 1 and the rain shield 13 are sprayed with weather-resistant white paint, which has a low heat absorption rate. On rainy days, the rain shield 13 can guide rain falling on the top of the device to both sides. On sunny days, the rain shield 13 can block the midday sun to prevent the box body 1 of the device from being overheated by the sun. The insulation layer 14 can effectively prevent the sun from heating the air between the rain shield 13 and the box body 1. The power supply compartment 16 can power the exhaust fan 11 so that the exhaust fan 11 can discharge the hot air inside the box body 1. A battery and a solar controller are arranged in the power supply compartment 16. The solar panel 15 is electrically connected to the power supply compartment 16. When it is sunny, the solar panel 15 can effectively convert solar energy into electrical energy and charge the battery through the solar controller. Through the above structure, the internal temperature of the device can be prevented from being too high, which is beneficial to improving the practicality of the device.

[0028] In summary: when using the low-voltage distribution box that is easy to maintain, first, a plurality of mounting brackets are provided on the mounting plate 9, and the staff can fix the distribution equipment on the mounting plate 9. The ventilation louvers 10 and the exhaust fan 11 are provided with dustproof nets on the outside, which can effectively prevent dust from accumulating inside the device. The trigger component of the travel switch 2 is connected to the box door, and the ceiling light 3 is electrically connected to the travel switch 2. When the user opens the box door, the travel switch 2 energizes the ceiling light 3 and automatically turns it on, which is convenient for the user to check the inside of the device. The drawer 5 is slidably connected to the box body 1 through the slide rail 6, and the microswitch 7 is a normally closed microswitch 7. When the drawer 5 is closed, the microswitch 7 contacts the rear wall of the box body 1, and the microswitch 7 is powered on. When the user needs to repair the device, the drawer 5 can be pulled out. At this time, the microswitch 7 energizes the side light 8, and the side light 8 will emit light, further improving the lighting effect. Moreover, under the illumination of the ceiling light 3 and the side light 8, the internal equipment of the device can be effectively reduced. The shadows produced by the shielding are convenient for seeing the details of the equipment during maintenance. During maintenance, maintenance tools and small parts such as screws and nuts can be stored in the drawer 5 to avoid loss of parts. The outside of the box 1 and the rain shield 13 are sprayed with weather-resistant white paint, which has a low heat absorption rate. On rainy days, the rain shield 13 can guide rainwater falling on the top of the device to both sides. On sunny days, the rain shield 13 can block the midday sun to prevent the box 1 of the device from being overheated by the sun. The insulation layer 14 can effectively prevent the sun from heating the air between the rain shield 13 and the box 1. The power supply compartment 16 can power the exhaust fan 11 so that the exhaust fan 11 can discharge the hot air inside the box 1. A battery and a solar controller are arranged in the power supply compartment 16. The solar panel 15 is electrically connected to the power supply compartment 16. When it is sunny, the solar panel 15 can effectively convert solar energy into electrical energy and charge the battery through the solar controller. This is the working principle of the low-voltage distribution box that is easy to maintain.

[0029] The above are only preferred embodiments of the utility model, and do not impose any form of limitation on the utility model. Any ordinary technician in the industry can smoothly implement the utility model as shown in the drawings and above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the utility model using the technical content disclosed above are all equivalent embodiments of the utility model. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the utility model are still within the protection scope of the technical solution of the utility model.

Claims

1. A low-voltage distribution box that is easy to maintain, comprising a box body (1) and a mounting plate (9), characterized in that: A travel switch (2) is fixed to one end of the internal top wall of the box (1), and a ceiling lamp (3) is fixed to the middle of the internal top wall of the box (1); a partition (4) is fixed to the bottom end of the internal rear wall of the box (1), and a drawer (5) is arranged at the internal bottom end of the box (1); slide rails (6) are fixed to the left and right sides of the drawer (5), and a micro switch (7) is fixed to the rear end of the drawer (5); side lights (8) are fixed to the left and right inner walls of the box (1), and the side lights (8) are electrically connected to the micro switch (7); and the mounting plate (9) is fixed to the middle of the internal rear wall of the box (1).

2. A low-voltage distribution box that is easy to maintain according to claim 1, characterized in that: A ventilation louver (10) is arranged inside an outer wall of one side of the box body (1), and the ventilation louver (10) and the box body (1) are embedded and fixed.

3. A low-voltage distribution box that is easy to maintain according to claim 1, characterized in that: An exhaust fan (11) is arranged inside the outer wall of the box body (1) at one side away from the ventilation louver (10), and the exhaust fan (11) is embedded and fixed to the box body (1).

4. A low-voltage distribution box that is easy to maintain according to claim 1, characterized in that: The box body (1) is fixed with upright posts (12) on both left and right sides of the top end, and a rain shield (13) is fixed on the top end of the upright posts (12).

5. A low-voltage distribution box that is easy to maintain according to claim 4, characterized in that: The outer bottom wall of the rain shield (13) is provided with a heat insulation layer (14), and the heat insulation layer (14) and the rain shield (13) are bonded and fixed.

6. A low-voltage distribution box that is easy to maintain according to claim 4, characterized in that: Solar panels (15) are fixed on both left and right sides of the top of the rain shield (13), a power supply compartment (16) is fixed in the middle of the top of the box (1), and the solar panel (15) is electrically connected to the power supply compartment (16).

7. A low-voltage distribution box that is easy to maintain according to claim 1, characterized in that: A support assembly (17) is fixed to the bottom end of the box body (1), and the support assembly (17) comprises a support foot (1701) and a cross brace (1702), and the inner side of the support foot (1701) is welded with a cross brace (1702).

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