Anti-pinch low-voltage draw-out switch cabinet

By using electromagnetic suction cups and anti-collision pads in the low-voltage pull-out switch cabinet to automatically push-pull functional unit drawers, and combining a heat dissipation fan and a heat dissipation plate to achieve temperature control and heat dissipation, the problem of low-voltage pull-out switch cabinet being easily touched by the drawer during operation, resulting in poor heat dissipation due to hand clamping and poor heat dissipation, extending the service life and improving operation safety and efficiency.

CN222691209UActive Publication Date: 2025-03-28ANHUI XINGMENG ELECTRIC POWER TECH CO LTD
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Patent Information

Application Number
CN202421248709.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-03
Publication Date
2025-03-28
Estimated Expiration
2034-06-03

AI Technical Summary

Technical Problem

The existing low-voltage pull-out switch cabinet is prone to accidentally touching the functional unit drawer during operation, causing sliding clamping hands, and insufficient heat dissipation leads to overheating and damage to the electrical components, affecting service life.

Method used

A low-voltage pull-out switch cabinet with anti-pinch hands is designed, using electromagnetic suction cups and anti-collision padding push slides for automatic anti-collision push-pull functional unit drawers, and a heat dissipation fan and a heat dissipation plate are installed in the drawers and switch cabinet bodies to achieve efficient heat dissipation with temperature sensors.

Benefits of technology

It effectively avoids sliding clamping of the functional unit drawer, and extends the service life through efficient heat dissipation, and is simple in structure and easy to operate automatically.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of low-voltage draw-out type switch cabinets, in particular to an anti-pinch low-voltage draw-out type switch cabinet which comprises a low-voltage switch cabinet body, and a function unit drawer is embedded in the front face of the low-voltage switch cabinet body. A controller panel is installed on the front face of the low-voltage switch cabinet body and located on the upper edge of the functional unit drawer in an embedded mode, a limiting rod is installed in the low-voltage switch cabinet body and located on the upper edge of the functional unit drawer, and the limiting rod is sleeved with a pushing sliding base. The overall structure is simple, the function unit drawer is pushed and pulled in an automatic anti-collision mode conveniently, so that the function unit drawer is prevented from sliding and clamping hands due to accidental touch, meanwhile, efficient heat dissipation for temperature control is achieved conveniently, electric elements are prevented from being damaged due to overheating, and the service life of the electric elements is prolonged. And the service life is prolonged, the stability and practicability are high, and certain popularization value is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of low-voltage draw-out switch cabinets, in particular to a low-voltage draw-out switch cabinet which is hand-pinching-proof. Background Art

[0002] Low-voltage withdrawable switchgear is widely used in power distribution centers PC and motor control centers MCC in power plants, substations, factories, mines and high-rise buildings. As a low-voltage complete distribution device used for power distribution, centralized motor control and reactive power compensation in power generation and supply systems with AC 50-60Hz, rated working voltage of 660V and below, and rated current of 4000A and below, the existing low-voltage withdrawable switchgear still has shortcomings, as follows: it is not convenient to automatically push and pull the functional unit drawer with anti-collision, which makes it easy to accidentally touch the functional unit drawer when operating the switchgear, resulting in sliding and pinching the hand. At the same time, it is not convenient to achieve efficient heat dissipation of temperature control, so it is impossible to avoid overheating and damage of electrical components, which affects the service life of the low-voltage withdrawable switchgear.

[0003] Therefore, it is necessary to design a finger-pinch-proof low-voltage withdrawable switch cabinet to solve the problems in the above-mentioned background technology. Utility Model Content

[0004] The utility model aims to provide a low-voltage withdrawable switch cabinet with finger pinch prevention function, so as to solve the problems mentioned in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A finger-pinching-proof low-voltage withdrawable switch cabinet comprises a low-voltage switch cabinet body, a functional unit drawer is embedded and installed on the front of the low-voltage switch cabinet body, a controller panel is embedded and installed on the front of the low-voltage switch cabinet body and on the upper edge of the functional unit drawer, a limit rod is installed inside the low-voltage switch cabinet body and on the upper edge of the functional unit drawer, a push slide is sleeved and installed on the limit rod, an electromagnetic suction cup is embedded and installed inside the push slide near the back of the functional unit drawer, an electric telescopic rod is installed between the inner wall of the low-voltage switch cabinet body and the back of the push slide, a temperature sensor is installed on the upper edge of the back of the inner wall of the low-voltage switch cabinet body, and cooling fans are embedded and installed on both sides of the low-voltage switch cabinet body.

[0007] As a preferred solution of the utility model, heat dissipation plates are embedded and installed on both sides of the functional unit drawer, and a plurality of heat dissipation through holes are opened on the heat dissipation plates.

[0008] As a preferred solution of the utility model, a slide rail assembly is installed between the lower edges of both sides of the functional unit drawer and the inner wall of the low-voltage switch cabinet body, wherein the slide rail assembly includes a track installed on the inner wall of the low-voltage switch cabinet body and pulleys installed on both sides of the functional unit drawer.

[0009] As a preferred solution of the utility model, a display screen and a plurality of control buttons are provided on the controller panel, and the controller panel is electrically connected to the electric telescopic rod, the electromagnetic suction cup, the cooling fan and the temperature sensor.

[0010] As a preferred solution of the utility model, two electric telescopic rods are installed distributed along the length direction of the back side of the push slide.

[0011] As a preferred solution of the utility model, the front side of the pushing slide is provided with a limit through hole whose size matches the limit rod installation and a groove whose size matches the functional unit drawer clamp from top to bottom, and an anti-collision pad is installed on the front side of the pushing slide and on the upper edge of the groove of the functional unit drawer clamp.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. In the utility model, by providing a pushing slide with an electromagnetic suction cup and an anti-collision cushion, it is convenient to fix and install the functional unit drawer through electromagnetic suction, and the electric telescopic rod can be automatically pushed or retracted along the direction of the limit rod according to the withdrawal or pushing requirements of the functional unit drawer, thereby preventing the functional unit drawer from sliding and clamping the hand by mistake. At the same time, when the entire functional unit drawer needs to be taken out, the electromagnetic suction cup can be controlled to be powered off to eliminate the magnetic attraction. By providing a functional unit drawer with a heat dissipation plate and a heat dissipation fan provided on the low-voltage switch cabinet body, efficient heat dissipation of temperature control can be achieved under the cabinet internal ring temperature monitoring of the temperature sensor, thereby avoiding overheating damage to electrical components and extending the service life. The structure is simple and convenient to automatically anti-collision push and pull the functional unit drawer, thereby preventing the functional unit drawer from sliding and clamping the hand by mistake, and at the same time, it is convenient to achieve efficient heat dissipation of temperature control, thereby avoiding overheating damage to electrical components and extending the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the overall front view of the utility model;

[0015] Figure 2 It is a schematic diagram of the overall internal structure of the utility model from a side view;

[0016] Figure 3 This is a schematic diagram of the functional unit drawer structure of the utility model.

[0017] In the figure: 1. Low-voltage switch cabinet body; 2. Functional unit drawer; 201. Heat sink; 202. Slide rail assembly; 3. Controller panel; 4. Electric telescopic rod; 5. Limit rod; 6. Push slide; 7. Anti-collision cushion; 8. Electromagnetic suction cup; 9. Cooling fan; 10. Temperature sensor. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0019] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0020] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0021] 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 of the related listed items.

[0022] For examples, see Figure 1-3 The utility model provides a technical solution:

[0023] A low-voltage withdrawable switch cabinet with finger pinch prevention includes a low-voltage switch cabinet body 1, a functional unit drawer 2 is embedded and installed on the front of the low-voltage switch cabinet body 1, a controller panel 3 is embedded and installed on the front of the low-voltage switch cabinet body 1 and located on the upper edge of the functional unit drawer 2, a display screen and a plurality of control buttons are provided on the controller panel 3, and the controller panel 3 is electrically connected to an electric telescopic rod 4, an electromagnetic suction cup 8, a heat dissipation fan 9 and a temperature sensor 10, a limit rod 4 is installed inside the low-voltage switch cabinet body 1 and located on the upper edge of the functional unit drawer 2, a push slide 6 is installed on the limit rod 5, two electric telescopic rods 4 are installed along the length direction of the back of the push slide 6, and the inner side of the push slide 6 is provided with a plurality of control buttons, and a plurality of control buttons are provided on the controller panel 3 ... An electromagnetic suction cup 8 is embedded and installed on the back side near the functional unit drawer 2. When the entire functional unit drawer 2 needs to be taken out, the electromagnetic suction cup 8 can be controlled to be powered off to eliminate the magnetic attraction. An electric telescopic rod 5 is installed between the inner wall of the low-voltage switch cabinet body 1 and the back side of the pushing slide 6. A temperature sensor 10 is installed on the upper edge of the back side of the inner wall of the low-voltage switch cabinet body 1. Cooling fans 9 are embedded and installed on both sides of the low-voltage switch cabinet body 1. By arranging a functional unit drawer 2 with a heat sink 202 and cooperating with the cooling fan 9 arranged on the low-voltage switch cabinet body 1, efficient heat dissipation of temperature control can be achieved under the internal temperature monitoring of the cabinet by the temperature sensor 10, thereby avoiding overheating and damage of electrical components and extending the service life.

[0024] In this embodiment, please refer to Figure 2 and Figure 3 , heat dissipation plates 201 are embedded and installed on both sides of the functional unit drawer 2, and a number of heat dissipation holes are opened on the heat dissipation plates 201. At the same time, slide rail assemblies 202 are installed between the lower edges of both sides of the functional unit drawer 2 and the inner wall of the low-voltage switch cabinet body 1, wherein the slide rail assembly 202 includes a track installed on the inner wall of the low-voltage switch cabinet body 1 and pulleys installed on both sides of the functional unit drawer 2. At the same time, the front of the pushing slide 6 is provided with limiting holes with sizes matching the limiting rod 5 and grooves with sizes matching the functional unit drawer 2 from top to bottom, and an anti-collision pad 7 is installed on the front of the pushing slide 6 and on the upper edge of the groove of the functional unit drawer 2. By setting the pushing slide 6 with an electromagnetic suction cup 8 and the anti-collision pad 7, it is convenient to fix the functional unit drawer 2 through electromagnetic suction, and the electric telescopic rod 4 can be automatically pushed or retracted along the direction of the limiting rod 5 according to the extraction or pushing requirements of the functional unit drawer 2, thereby facilitating the sliding clamping of the functional unit drawer 2 by misoperation.

[0025] Working principle: When in use, by setting a pushing slide 6 with an electromagnetic suction cup 8 and an anti-collision cushion 7, it is convenient to fix the functional unit drawer 2 through electromagnetic suction, and the electric telescopic rod 4 can be automatically pushed or retracted along the limit rod 5 according to the withdrawal or pushing requirements of the functional unit drawer 2, thereby facilitating the sliding clamping of the functional unit drawer 2 due to collision avoidance, and at the same time, when the entire functional unit drawer 2 needs to be taken out, the electromagnetic suction cup 8 can be controlled to be powered off to eliminate the magnetic attraction, and by setting the functional unit drawer 2 with a heat sink 202 and cooperating with the heat dissipation fan 9 set on the low-voltage switch cabinet body 1, the temperature control can be realized under the cabinet internal ring temperature monitoring of the temperature sensor 10, thereby avoiding overheating damage to electrical components and extending the service life. The overall structure is simple, convenient for automatic anti-collision pushing and pulling of functional unit drawers, thereby preventing accidental contact with the functional unit drawer from sliding and clamping, and at the same time, it is convenient to realize efficient heat dissipation of temperature control, thereby avoiding overheating damage to electrical components and extending the service life, and it has high stability and practicality, and has certain promotion value.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A finger-pinch-proof low-voltage withdrawable switch cabinet, comprising a low-voltage switch cabinet body (1), characterized in that: A functional unit drawer (2) is embedded and installed on the front of the low-voltage switch cabinet body (1); a controller panel (3) is embedded and installed on the front of the low-voltage switch cabinet body (1) and located on the upper edge of the functional unit drawer (2); a limit rod (5) is installed inside the low-voltage switch cabinet body (1) and located on the upper edge of the functional unit drawer (2); a push slide (6) is sleeved and installed on the limit rod (5); an electromagnetic suction cup (8) is embedded and installed inside the push slide (6) near the back of the functional unit drawer (2); an electric telescopic rod (4) is installed between the inner wall of the low-voltage switch cabinet body (1) and the back of the push slide (6); a temperature sensor (10) is installed on the upper edge of the back of the inner wall of the low-voltage switch cabinet body (1); and cooling fans (9) are embedded and installed on both sides of the low-voltage switch cabinet body (1).

2. The anti-pinch low-voltage withdrawable switch cabinet according to claim 1, characterized in that: Heat dissipation plates (201) are embedded and installed on both sides of the functional unit drawer (2), and a plurality of heat dissipation through holes are provided on the heat dissipation plates (201).

3. The anti-pinch low-voltage withdrawable switch cabinet according to claim 1, characterized in that: A slide rail assembly (202) is installed between the lower edges of both sides of the functional unit drawer (2) and the inner wall of the low-voltage switch cabinet body (1), wherein the slide rail assembly (202) comprises a track installed on the inner wall of the low-voltage switch cabinet body (1) and pulleys installed on both sides of the functional unit drawer (2).

4. The anti-pinch low-voltage withdrawable switch cabinet according to claim 1, characterized in that: The controller panel (3) is provided with a display screen and a plurality of control buttons, and the controller panel (3) is electrically connected to the electric telescopic rod (4), the electromagnetic suction cup (8), the cooling fan (9) and the temperature sensor (10).

5. The anti-pinch low-voltage withdrawable switch cabinet according to claim 1, characterized in that: Two electric telescopic rods (4) are installed along the length direction of the back side of the push slide seat (6).

6. The anti-pinch low-voltage withdrawable switch cabinet according to claim 1, characterized in that: The front side of the push slide (6) is provided with a limit through hole whose size matches that of the limit rod (5) and a groove whose size matches that of the functional unit drawer (2) from top to bottom, and an anti-collision cushion (7) is installed on the front side of the push slide (6) and at the upper edge of the groove where the functional unit drawer (2) is fixed.