Drawer type power cabinet

By installing limit devices and a heat dissipation system in the drawer-type power cabinet, the problem of drawer sliding affecting maintenance is solved, the stability of the drawer and the heat dissipation effect are achieved, and the reliability and safety of the power cabinet are improved.

CN223651820UActive Publication Date: 2025-12-09SHANGHAI WEIMIN WATER & ELECTRICITY INSTALLATION ENGINEERING CO LTD
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Patent Information

Application Number
CN202520195186.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-08
Publication Date
2025-12-09
Estimated Expiration
2035-02-08

AI Technical Summary

Technical Problem

Common drawer-type power cabinets often lack limit switches on the drawer body, which makes it easy for the drawer to slide back and forth during routine maintenance and repair, affecting the normal operation of the operator.

Method used

A lower toothed plate is fixed to the side of the drawer body, and an upper toothed plate is installed on the inner wall of the outer shell. Through the cooperation of an auxiliary telescopic rod and a spring, the upper toothed plate and the lower toothed plate are engaged or disengaged to achieve drawer stability control. At the same time, an air inlet and an exhaust outlet are provided, and a cooling motor drives the fan blades for cooling.

Benefits of technology

It achieves stable opening and closing of the drawers, ensuring operational stability during maintenance, and prevents dust from entering through effective heat dissipation and cooling, thereby improving the reliability and safety of the power cabinet.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a drawer type electric power cabinet, which relates to the technical field of electric power cabinets, and comprises a cabinet body, a cavity is arranged in the cabinet body, a plurality of drawer bodies are arranged in the cavity, the drawer bodies are in sliding connection with the cabinet body, and limiting devices are arranged between the drawer bodies and the cabinet body. According to the drawer type power cabinet, the lower toothed plate is fixed on the side surface of the drawer body, and the upper toothed plate is arranged on the inner wall of the shell, so that the upper toothed plate needs to be pushed to rise when the drawer body is pulled, the upper toothed plate and the lower toothed plate are released from meshing, and the drawer body can move, so that on one hand, the stability of the drawer body during closing is kept; on the other hand, when the drawer body is opened for maintenance of internal equipment, the drawer body is kept in a stable static state through meshing of the upper toothed plate and the lower toothed plate, and the problem that the drawer body of a common drawer type power cabinet in the prior art is lack of limiting is solved.
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Description

Technical Field

[0001] This utility model relates to an electrical cabinet, specifically a drawer-type electrical cabinet, and belongs to the field of electrical cabinet technology. Background Technology

[0002] A power distribution cabinet is a steel cabinet used to protect components and ensure their proper functioning. Power distribution cabinets have a wide range of applications, primarily in the chemical, environmental protection, power, metallurgical, industrial, nuclear power, fire safety monitoring, and transportation sectors. Different types are used in different applications, but their main functions are power distribution and control of electrical equipment, and providing power-off protection in case of overload, short circuit, and leakage.

[0003] Common power distribution cabinets include drawer-type and double-door type. Drawer-type power distribution cabinets are widely used in industrial and mining enterprises and high-rise buildings where high power supply reliability is required, serving as centralized control power distribution centers because they do not interfere with each other. However, during routine maintenance and repair of common drawer-type power distribution cabinets, due to the sliding connection between the drawer body and the cabinet body and the lack of drawer limiting measures, the drawer body cannot be fixed when it is pulled out of the power distribution cabinet body, causing the drawer body to slide back and forth inside the drawer shell, which affects the operator's maintenance of the internal electrical components of the power distribution cabinet. Therefore, a drawer-type power distribution cabinet is proposed here. Utility Model Content

[0004] This utility model proposes a drawer-type power cabinet to solve the problem that the drawer body of the common drawer-type power cabinet in the prior art lacks limiters, and the drawer body is prone to sliding back and forth in the cabinet during routine maintenance and repair, affecting normal operation.

[0005] This utility model is achieved through the following technical solution: a drawer-type power cabinet, including a cabinet body, the cabinet body having a cavity inside, and multiple drawer bodies being arranged inside the cavity. The drawer bodies are slidably connected to the cabinet body, and a limiting device is provided between the drawer bodies and the cabinet body. The limiting device includes a lower toothed plate fixed to the side of the drawer body, the lower toothed plate being slidably connected to the cabinet body, multiple outer shells being fixed to the inner wall of the cabinet body, and an upper toothed plate being slidably connected to the inner wall of the outer shell. The cabinet body has an opening corresponding to the upper toothed plate, and the upper toothed plate and the lower toothed plate are engaged.

[0006] The limiting device also includes an auxiliary telescopic rod and an auxiliary spring disposed inside the housing. One end of the auxiliary telescopic rod and the auxiliary spring is fixed to the upper toothed plate, and the other end of the auxiliary telescopic rod and the auxiliary spring is fixed to the inner top wall of the housing. The upper toothed plate can be pushed to reset by the elastic force of the auxiliary spring.

[0007] A partition plate is fixed to the upper surface of the upper toothed plate. The size of the partition plate is larger than the size of the opening. The partition plate can cover the outer shell and prevent the auxiliary telescopic rod and auxiliary spring from being directly exposed when not in use.

[0008] The cabinet is equipped with multiple sets of support plates inside. Both ends of the support plates are fixed to the cabinet body. The support plates are located below the corresponding drawer bodies. The drawer bodies are slidably connected to the support plates. The support plates can provide auxiliary support for the drawer bodies.

[0009] Ventilation vents are provided on both the left and right sides of the drawer body, and a handle is fixed to the front of the drawer body. The heat inside the drawer body can be transferred to the interior of the cabinet through the ventilation vents.

[0010] The outer surface of the cabinet has two air inlets and two exhaust outlets. The air inlets are located at the bottom, and filter plates are installed at both the air inlets and exhaust outlets. Cold air from the outside enters the cabinet through the filter plates at the air inlets, while hot air inside the cabinet rises and leaves through the filter plates at the exhaust outlets.

[0011] The inner wall of the cabinet is fixed with a bracket, and a cooling motor is installed on the front of the bracket. A fan blade is installed at the output end of the cooling motor. The fan blade is aligned with the filter plate of the exhaust port. The cooling motor can drive the fan blade to rotate, and the rotation of the fan blade can drive hot air out of the cabinet from the exhaust port.

[0012] This utility model provides a drawer-type power cabinet, which has the following beneficial effects:

[0013] 1. This drawer-type power cabinet, by fixing a lower toothed plate to the side of the drawer body and setting an upper toothed plate on the inner wall of the outer shell, requires pushing the upper toothed plate up first when pulling out the drawer body, so that the upper toothed plate and the lower toothed plate are disengaged, and the drawer body can move. On the one hand, it maintains the stability of the drawer body when it is closed. On the other hand, when the drawer body is opened for maintenance of internal equipment, the engagement of the upper toothed plate and the lower toothed plate keeps the drawer body in a stable and stationary state, solving the problem of lack of limiters in the drawer body of existing drawer-type power cabinets.

[0014] 2. This drawer-type power cabinet has an air inlet and an exhaust outlet. The cooling motor installed at the exhaust outlet can drive the fan blades to rotate. The rotation of the fan blades drives the hot air out of the cabinet through the exhaust outlet, while the cold air from the outside enters the cabinet through the air inlet to cool the inside of the cabinet. At the same time, the installation of the filter plate can prevent dust from entering the inside of the cabinet. Attached Figure Description

[0015] Figure 1This is a three-dimensional structural diagram of the present invention;

[0016] Figure 2 This is a schematic diagram of the limiting device of this utility model;

[0017] Figure 3 This is a diagram showing the opening effect of the drawer body of this utility model;

[0018] Figure 4 This is a detailed structural drawing of the location of the heat dissipation motor in this utility model.

[0019] Explanation of reference numerals in the attached figures

[0020] 1. Cabinet body; 2. Drawer body;

[0021] 3. Limiting device; 301. Lower toothed plate; 302. Housing; 303. Upper toothed plate; 304. Auxiliary telescopic rod; 305. Auxiliary spring; 306. Divider plate;

[0022] 4. Support plate; 5. Handle; 6. Air inlet; 7. Exhaust outlet; 8. Filter plate; 9. Bracket; 10. Cooling motor; 11. Fan blades. Detailed Implementation

[0023] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this application.

[0024] Please see Figures 1-4 The present invention proposes the following implementation scheme: a drawer-type power cabinet, including a cabinet body 1, the cabinet body 1 having a cavity inside, and multiple drawer bodies 2 being arranged inside the cavity. The drawer bodies 2 are slidably connected to the cabinet body 1. A limiting device 3 is provided between the drawer bodies 2 and the cabinet body 1. The limiting device 3 includes a lower toothed plate 301 fixed to the side of the drawer body 2. The lower toothed plate 301 is slidably connected to the cabinet body 1. Multiple outer shells 302 are fixed to the inner wall of the cabinet body 1. An upper toothed plate 303 is slidably connected to the inner wall of the outer shell 302. The cabinet body 1 has an opening corresponding to the upper toothed plate 303. The upper toothed plate 303 and the lower toothed plate 301 are engaged.

[0025] Please refer to this carefully. Figure 2 , Figure 3 and Figure 4The limiting device 3 also includes an auxiliary telescopic rod 304 and an auxiliary spring 305 disposed inside the housing 302. One end of the auxiliary telescopic rod 304 and the auxiliary spring 305 is fixed to the upper toothed plate 303, and the other end of the auxiliary telescopic rod 304 and the auxiliary spring 305 is fixed to the inner top wall of the housing 302. The elastic force of the auxiliary spring 305 can push the upper toothed plate 303 to reset. A partition plate 306 is fixed on the upper surface of the upper toothed plate 303. The size of the partition plate 306 is larger than the size of the opening. The partition plate 306 can cover the housing 302. When not in use, the partition plate 306 can prevent the auxiliary telescopic rod 304 and the auxiliary spring 305 from being directly exposed.

[0026] Please refer to this carefully. Figure 2 , Figure 3 and Figure 4 The cabinet 1 has multiple sets of support plates 4 inside. Both ends of the support plates 4 are fixed to the cabinet 1. The support plates 4 are located below the corresponding drawer body 2. The drawer body 2 is slidably connected to the support plates 4. The support plates 4 can provide auxiliary support for the drawer body 2. Ventilation ports are provided on both the left and right sides of the drawer body 2. A handle 5 is fixed on the front of the drawer body 2. The heat inside the drawer body 2 can be transferred to the inside of the cabinet 1 through the ventilation ports.

[0027] Please refer to this carefully. Figure 2 , Figure 3 and Figure 4 The outer surface of the cabinet 1 has two air inlets 6 and two exhaust outlets 7. The air inlets 6 are located at the bottom. Filter plates 8 are installed at both the air inlets 6 and the exhaust outlets 7. Cold air from the outside enters the cabinet 1 through the filter plates 8 at the air inlets 6. At the same time, hot air inside the cabinet 1 rises and leaves through the filter plates 8 at the exhaust outlets 7. A bracket 9 is fixed to the inner wall of the cabinet 1. A cooling motor 10 is installed on the front of the bracket 9. A fan blade 11 is installed at the output end of the cooling motor 10. The fan blade 11 is aligned with the filter plate 8 at the exhaust outlet 7. The cooling motor 10 can drive the fan blade 11 to rotate. The rotation of the fan blade 11 drives the hot air to leave the cabinet 1 through the exhaust outlet 7.

[0028] In use, this utility model involves fixing a lower toothed plate 301 to the side of the drawer body 2 and setting an upper toothed plate 303 on the inner wall of the outer shell 302. This means that when the drawer body 2 is pulled out, the upper toothed plate 303 must first be pushed up to disengage from the lower toothed plate 301 before the drawer body 2 can move. This maintains the stability of the drawer body 2 when it is closed. Furthermore, when the drawer body 2 is opened for maintenance of internal equipment, the engagement of the upper toothed plate 303 and the lower toothed plate 301 keeps the drawer body 2 in a stable and stationary state. This solves the problem of the lack of limiters in the drawer body 2 of existing drawer-type power cabinets.

[0029] By setting an air inlet 6 and an exhaust outlet 7, the cooling motor 10 installed at the exhaust outlet 7 can drive the fan blades 11 to rotate. The rotation of the fan blades 11 drives hot air to leave the cabinet 1 from the exhaust outlet 7, while the outside cold air enters the interior of the cabinet 1 from the air inlet 6 to cool the interior of the cabinet 1. At the same time, the installation of the filter plate 8 can prevent dust from entering the interior of the cabinet 1.

[0030] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A drawer-type power cabinet, comprising a cabinet body (1), characterized in that: The cabinet (1) has a cavity inside, and multiple drawer bodies (2) are arranged inside the cavity. The drawer bodies (2) are slidably connected to the cabinet (1). A limiting device (3) is provided between the drawer bodies (2) and the cabinet (1). The limiting device (3) includes a lower toothed plate (301) fixed to the side of the drawer body (2). The lower toothed plate (301) is slidably connected to the cabinet (1). Multiple outer shells (302) are fixed to the inner wall of the cabinet (1). An upper toothed plate (303) is slidably connected to the inner wall of the outer shell (302). The cabinet (1) has an opening corresponding to the upper toothed plate (303). The upper toothed plate (303) engages with the lower toothed plate (301).

2. A drawer-type power cabinet according to claim 1, characterized in that: The limiting device (3) further includes an auxiliary telescopic rod (304) and an auxiliary spring (305) disposed inside the outer shell (302). One end of the auxiliary telescopic rod (304) and the auxiliary spring (305) is fixed to the upper toothed plate (303), and the other end of the auxiliary telescopic rod (304) and the auxiliary spring (305) is fixed to the inner top wall of the outer shell (302).

3. A drawer-type power cabinet according to claim 1, characterized in that: A partition plate (306) is fixed on the upper surface of the upper toothed plate (303), and the size of the partition plate (306) is larger than the size of the opening.

4. A drawer-type power cabinet according to claim 1, characterized in that: The cabinet (1) is provided with multiple sets of support plates (4) inside. Both ends of the support plates (4) are fixed to the cabinet (1). The support plates (4) are located below the corresponding drawer body (2). The drawer body (2) is slidably connected to the support plates (4).

5. A drawer-type power cabinet according to claim 1, characterized in that: Ventilation openings are provided on both the left and right sides of the drawer body (2), and a handle (5) is fixed on the front of the drawer body (2).

6. A drawer-type power cabinet according to claim 1, characterized in that: The outer surface of the cabinet (1) has two air inlets (6) and two exhaust outlets (7). The air inlets (6) are located at the bottom, and filter plates (8) are installed at both the air inlets (6) and the exhaust outlets (7).

7. A drawer-type power cabinet according to claim 1, characterized in that: The inner wall of the cabinet (1) is fixed with a bracket (9), and a heat dissipation motor (10) is installed on the front of the bracket (9). A fan blade (11) is installed at the output end of the heat dissipation motor (10), and the fan blade (11) is aligned with the filter plate (8) of the exhaust port (7).