Power distribution cabinet with built-in arc extinguishing structure

Abstract

The utility model relates to the technical field of electrical engineering, in particular to a power distribution cabinet with a built-in arc extinguishing structure, which comprises a protection box, fastening plates and fastening blocks, the rear end of the protection box is fixedly provided with a limiting cover, the bottom of the limiting cover is slidably provided with the fastening blocks, the two sides of the protection box are fixedly provided with the fastening plates, and the fastening plates are fixedly connected with the limiting cover. Clamping rods extending into the limiting covers are movably installed on the outer sides of the fastening plates, a maintenance door is movably installed at the front end of the protection box, clamping plates are movably installed in the protection box, an electrical automation control cabinet body is fixed between the clamping plates in a limiting mode, and exhaust fans are fixedly installed on the two sides of the inner wall of the protection box. The clamping plate is provided with an adjusting cavity corresponding to the exhaust fan. Through the combination of various structures, the fastening block is fixed to a proper position, and the damping piece is extruded through the clamping plate and the protection box.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical engineering, in particular to a distribution cabinet with a built-in arc extinguishing structure. Background Art

[0002] With the development of science and technology and the demand for industrial automation, electrical engineering automation technology has been widely used in various fields. As an important part of this technology, electrical control cabinets play a role in controlling and monitoring various electrical equipment such as motors. Among them, the "power distribution cabinet with built-in arc extinguishing structure" disclosed by the announcement number "CN212085497U" has solved the various disadvantages of the existing electrical control cabinets that the control cabinets are prone to overheating after long-term operation, which affects the normal operation of the control cabinets. However, in actual use, electrical control cabinets with similar structures for electrical engineering automation still have many defects, such as: there is no better installation device. When the existing electrical control cabinets are in use, most of them are fixed by multiple bolts. The installation operation is more troublesome, and it is not convenient for the staff to disassemble and maintain, which reduces the convenience. There is no better protective structure. Most electrical control cabinets are more easily hit by external objects when in use, which is easy to cause damage to the electrical control cabinets and reduce the service life. Therefore, it is necessary to design a power distribution cabinet with a built-in arc extinguishing structure. Utility Model Content

[0003] The utility model aims to provide a power distribution cabinet with a built-in arc extinguishing structure to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a power distribution cabinet with a built-in arc extinguishing structure, comprising a protective box, a fastening plate and a fastening block, a limit cover is fixedly installed at the rear end of the protective box, a fastening block is slidably installed at the bottom of the limit cover, fastening plates are fixedly installed on both sides of the protective box, a clamping rod extending to the inside of the limit cover is movably installed on the outer side of the fastening plate, a maintenance door is movably installed at the front end of the protective box, a clamping plate is movably installed inside the protective box, an electric automation control cabinet body is fixed and limited between the clamping plates, exhaust fans are fixedly installed on both sides of the inner wall of the protective box, and an adjustment cavity corresponding to the exhaust fan is provided on the clamping plate.

[0005] The device can be conveniently fixed by fixing the fastening block in a suitable position and inserting the limit block into the inside of the limit cover, thereby improving the installation efficiency; the heat of the electrical automation control cabinet body can be conveniently discharged through the exhaust fan, and the operation is convenient and quick; the electrical automation control cabinet body inside the protective box can be conveniently protected through the maintenance door, and rainwater can be placed on the top of the protective box through the protective top, thereby improving the practicality; the interaction between the card plate and the exhaust fan can be facilitated by the adjustment cavity, and the limit block can be conveniently limited and fixed through the plug-in slot, and the operation is convenient and quick.

[0006] Preferably, the clamping plate and the protection box are movably mounted via a damping member, and a protective top is fixedly mounted on the top of the protection box. The damping member is squeezed by the clamping plate and the protection box, which reduces the impact force of the protection box on the electrical automation control cabinet body, reduces the damage to the electrical automation control cabinet body, and increases the service life.

[0007] Preferably, the clamping plates at the top and bottom of the adjustment cavity are both provided with heat dissipation holes B, and the front end of the clamping plate is fixedly installed with a pull rod B. By pulling the pull rod B, the clamping plate can be conveniently slid, and the electrical automation control cabinet body can be conveniently limited and fixed.

[0008] Preferably, the fastening block and the limiting cover are fixed by a limiting block, the limiting block and the limiting cover are slidably installed by a plug-in slot, and the limiting block is provided with a clamping slot corresponding to the clamping rod. By inserting the clamping rod into the clamping slot on the limiting block, the limiting block and the limiting cover can be conveniently fixed by limiting, thereby improving the stability after installation.

[0009] Preferably, heat dissipation holes A corresponding to the exhaust fan are provided on both sides of the protection box, and an interception net is fixedly installed inside the heat dissipation holes A. The heat dissipation effect is improved by the mutual cooperation between the heat dissipation holes A, the heat dissipation holes B and the air permeable grooves.

[0010] Preferably, the rear end of the protection box is provided with a ventilation groove, and the front end of the maintenance door is fixedly installed with a pull rod A. The maintenance door can be conveniently opened by pulling the pull rod A, and the interception net can prevent dust from entering the interior of the protection box from the heat dissipation hole A, thereby improving practicality.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. By providing the mutual cooperation between the clamping rod, the limit block, the fastening block and the limit cover, by fixing the fastening block in a suitable position, and by inserting the limit block into the inside of the fastening block, the device can be conveniently fixed, thereby improving the installation efficiency. By inserting the clamping rod into the inside of the limit block, the protective box can be conveniently limited and fixed, and it is also convenient to dismantle and maintain, thereby improving convenience.

[0013] 2. By setting the mutual cooperation between the clamping plate and the handle, the clamping plate can be easily slid by pulling the handle, and the electrical automation control cabinet body can be conveniently limited and fixed. The damping part is squeezed by the clamping plate and the protective box, which reduces the impact force of the protective cover on the electrical automation control cabinet body, reduces the damage to the electrical automation control cabinet body, and improves the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the internal structure of the protective box of the utility model;

[0016] Figure 3 It is a side view structural schematic diagram of the utility model;

[0017] Figure 4 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 5 It is a schematic diagram of the clamping plate of the present utility model.

[0019] In the figure: 1. Protective top; 2. Maintenance door; 201. Pull rod A; 202. Ventilation groove; 3. Protective box; 301. Intercepting net; 302. Heat dissipation hole A; 4. Fastening plate; 5. Snap-on rod; 6. Electrical automation control cabinet body; 7. Snap-on plate; 701. Damping element; 702. Pull rod B; 703. Adjustment cavity; 704. Heat dissipation hole B; 8. Limit block; 801. Snap-on groove; 9. Fastening block; 10. Limit cover; 1001. Plug-in slot; 11. Exhaust fan. DETAILED DESCRIPTION

[0020] The technical solution of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0021] Embodiment 1

[0022] like Figure 1-5As shown, the utility model proposes a power distribution cabinet with a built-in arc extinguishing structure, including a protection box 3, a fastening plate 4 and a fastening block 9, a snap-in plate 7 is movably installed inside the protection box 3, an electric automation control cabinet body 6 is fixed between the snap-in plates 7, exhaust fans 11 are fixedly installed on both sides of the inner wall of the protection box 3, and an adjusting cavity 703 corresponding to the exhaust fan 11 is provided on the snap-in plate 7, a limit cover 10 is fixedly installed at the rear end of the protection box 3, a fastening block 9 is slidably installed at the bottom of the limit cover 10, fastening plates 4 are fixedly installed on both sides of the protection box 3, a snap-in rod 5 extending to the inside of the limit cover 10 is movably installed on the outer side of the fastening plate 4, a maintenance door 2 is movably installed at the front end of the protection box 3, the snap-in plate 7 and the protection box 3 are movably installed through a damping member 701, a protection top 1 is fixedly installed on the top of the protection box 3, a pull rod B702 is fixedly installed on the front end of the snap-in plate 7, and a snap-in groove 801 corresponding to the snap-in rod 5 is provided on the limit block 8.

[0023] The working principle of the electrical control cabinet for electrical engineering automation based on Example 1 is: by fixing the fastening block 9 in a suitable position and inserting the limit block 8 into the limit cover 10, the device can be conveniently fixed, thereby improving the installation efficiency; by inserting the clamping rod 5 into the clamping groove 801 on the limit block 8, the limit block 8 and the limit cover 10 can be conveniently limited and fixed, thereby improving the stability after installation; by pulling the pull rod B702, the clamping plate 7 can be conveniently slid, and the electrical automation control cabinet body 6 can be conveniently limited and fixed; the damping member 701 is squeezed by the clamping plate 7 and the protective box 3, thereby reducing the impact force of the protective box 3 on the electrical automation control cabinet body 6, reducing the damage to the electrical automation control cabinet body 6, and improving the service life; the heat of the electrical automation control cabinet body 6 can be conveniently discharged through the exhaust fan 11, and the operation is convenient and quick; the electrical automation control cabinet body 6 inside the protective box 3 can be conveniently protected through the maintenance door 2.

[0024] Embodiment 2

[0025] like Figure 3 , Figure 4 or Figure 5 As shown, the utility model proposes a distribution cabinet with a built-in arc extinguishing structure. Compared with the first embodiment, this embodiment also includes: heat dissipation holes B704 are arranged on the clamping plates 7 at the top and bottom of the adjusting cavity 703, the fastening block 9 and the limit cover 10 are limited and fixed by the limit block 8, the limit block 8 and the limit cover 10 are slidably installed through the plug-in slot 1001, heat dissipation holes A302 corresponding to the exhaust fan 11 are arranged on both sides of the protective box 3, an interception net 301 is fixedly installed on the inner side of the heat dissipation hole A302, a ventilation groove 202 is arranged at the rear end of the protective box 3, and a pull rod A201 is fixedly installed at the front end of the maintenance door 2.

[0026] In this embodiment, rainwater can be placed on the top of the protection box 3 through the protective top 1, which improves practicality. The maintenance door 2 can be easily opened by pulling the pull rod A201. The intercepting net 301 can prevent dust from entering the interior of the protection box 3 through the heat dissipation hole A302, which improves practicality. The adjustment cavity 703 facilitates the interaction between the snap-in plate 7 and the exhaust fan 11. The limit block 8 can be easily limited and fixed through the plug-in slot 1001. The operation is convenient and quick. The heat dissipation effect is improved through the mutual cooperation between the heat dissipation hole A302, the heat dissipation hole B704 and the air vent 202.

[0027] The above-mentioned specific embodiments are only several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.

Claims

1. A power distribution cabinet with a built-in arc extinguishing structure, comprising a protection box (3), a fastening plate (4) and a fastening block (9), characterized in that: A limiting cover (10) is fixedly installed at the rear end of the protection box (3), a fastening block (9) is slidably installed at the bottom of the limiting cover (10), fastening plates (4) are fixedly installed on both sides of the protection box (3), a clamping rod (5) extending to the inside of the limiting cover (10) is movably installed on the outer side of the fastening plate (4), a maintenance door (2) is movably installed at the front end of the protection box (3), a clamping plate (7) is movably installed inside the protection box (3), an electrical automation control cabinet body (6) is fixedly installed between the clamping plates (7), exhaust fans (11) are fixedly installed on both sides of the inner wall of the protection box (3), and an adjustment chamber (703) corresponding to the exhaust fan (11) is provided on the clamping plate (7).

2. A power distribution cabinet with a built-in arc extinguishing structure according to claim 1, characterized in that: The clamping plate (7) and the protection box (3) are movably mounted via a damping member (701), and a protection top (1) is fixedly mounted on the top of the protection box (3).

3. A power distribution cabinet with a built-in arc extinguishing structure according to claim 1, characterized in that: The clamping plates (7) at the top and bottom of the regulating cavity (703) are both provided with heat dissipation holes B (704), and a pull rod B (702) is fixedly installed at the front end of the clamping plate (7).

4. A power distribution cabinet with a built-in arc extinguishing structure according to claim 1, characterized in that: The fastening block (9) and the limiting cover (10) are fixed in position by a limiting block (8), the limiting block (8) and the limiting cover (10) are slidably mounted by a plug-in slot (1001), and a clamping slot (801) corresponding to the clamping rod (5) is provided on the limiting block (8).

5. A power distribution cabinet with a built-in arc extinguishing structure according to claim 1, characterized in that: Heat dissipation holes A (302) corresponding to the exhaust fan (11) are arranged on both sides of the protection box (3), and an interception net (301) is fixedly installed inside the heat dissipation hole A (302).

6. A power distribution cabinet with a built-in arc extinguishing structure according to claim 1, characterized in that: The rear end of the protection box (3) is provided with a ventilation groove (202), and the front end of the maintenance door (2) is fixedly mounted with a pull rod A (201).

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