Multi-layer switch cabinet

By introducing power cut mechanisms and locking components into the multi-layer switch cabinet, the temperature sensor and motor are automatically cut off and slide out of the drawer, the problem of fire spread is solved, and rapid fire extinguishing and equipment protection is achieved.

CN223093329UActive Publication Date: 2025-07-11SHANGHAI MOLESITONG ELECTRICAL
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Patent Information

Application Number
CN202421419688.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-20
Publication Date
2025-07-11
Estimated Expiration
2034-06-20

AI Technical Summary

Technical Problem

When an electrical fire occurs in the drawer in the existing multi-layer switch cabinet, it is difficult to quickly cut off the power and take out the drawer to extinguish the fire, causing the fire to spread to other drawers.

Method used

A multi-layer switch cabinet including a power-breaking mechanism and locking components is designed. The fire is detected through a temperature sensor and the motor is controlled to drive the turntable to slide, push the concave rod of the cylindrical head to slide, so that the drawer can automatically slide out and power off to avoid the fire spread.

Benefits of technology

It achieves rapid power outage when a fire occurs, avoiding the fire from continuing and ensuring that the drawer can be taken out in time for extinguishing the fire, preventing the fire from spreading to other drawers.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223093329U_ABST
Patent Text Reader

Abstract

The utility model provides a multilayer type switch cabinet, relates to electrical equipment technical field, including cabinet body subassembly and evenly distributed a plurality of drawer mechanism in cabinet body subassembly inner cavity, drawer mechanism includes drawer, the bottom surface middle part of drawer is equipped with power-off mechanism, the bottom surface front side middle part of drawer is equipped with locking subassembly. According to the utility model, the locking assembly and the power-off mechanism cooperate with each other to carry out power-off processing on fire equipment in the first time when a fire disaster occurs, thereby preventing the fire disaster from having sustainable spreading time, and preventing the fire disaster from being unable to open the drawer so as not to extinguish fire in a targeted manner. And the fire spread into other drawers can be avoided.
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Description

Technical Field

[0001] The utility model belongs to the technical field of electrical equipment, and more specifically, particularly relates to a multi-layer switch cabinet. Background Technique

[0002] A switch cabinet is an electrical device. The external line of the switch cabinet first enters the main control switch inside the cabinet, and then enters the sub-control switch. Each branch is set as required, such as meters, automatic control, motor magnetic switches, various AC contactors, etc. Some also have high-voltage and low-voltage switch cabinets, with high-voltage busbars, such as in power plants, etc. Some also have low-frequency load shedding to protect the main equipment. The main function of the switch cabinet is to switch on, control, and protect electrical equipment during the processes of power generation, transmission, distribution, and power conversion in the power system. The components inside the switch cabinet mainly consist of circuit breakers, disconnectors, load switches, operating mechanisms, current transformers, voltage transformers, and various protection devices, etc.

[0003] Existing low-voltage switch cabinets are mostly multi-layer switch cabinets, which are composed of a cabinet body and drawers. The drawers are used to install switches for controlling and protecting electrical equipment. A manual control switch and a drawer lock button are arranged on the front wall surface of the drawer. An electrical plug that matches the electrical slot inside the cabinet body is installed on the rear wall surface of the drawer. This multi-layer switch cabinet is convenient for separating the switch control devices of different equipment for quick maintenance. After the power is cut off, the drawer can be pulled out of the cabinet body by pressing the drawer lock button, which is convenient for replacing the switch control devices inside the drawer. However, when an electrical fire occurs inside the drawer of this multi-layer switch cabinet, it is very difficult for manual operation to take it out for fire extinguishing, which will affect other electrical equipment inside the cabinet body, and the drawer where the fire occurs cannot be powered off immediately, resulting in the disaster having a sustainable spreading time.

[0004] Therefore, in view of this, research and improvement are carried out on the existing structure and deficiencies, and a multi-layer switch cabinet is provided with the expectation of achieving a more practical value. Content of the Utility Model

[0005] In order to solve the above technical problems, the utility model provides a multi-layer switch cabinet to solve the above problems.

[0006] The purpose and efficacy of the multi-layer switch cabinet of the utility model are achieved by the following specific technical means:

[0007] A multi-layer switch cabinet includes a cabinet body assembly and a plurality of drawer mechanisms uniformly arranged in the inner cavity of the cabinet body assembly. The drawer mechanism includes a drawer. A power-off mechanism is installed in the middle of the bottom surface of the drawer, and a locking component is installed in the middle of the front side of the bottom surface of the drawer.

[0008] The power-off mechanism includes a motor installed in the middle of the bottom surface of the drawer. A turntable is fixedly installed at the rotating end of the motor. Two rotating shafts are symmetrically installed on the left and right on the bottom surface of the turntable. A first adjusting rod is rotatably installed on the right rotating shaft, and a second adjusting rod is rotatably installed on the left rotating shaft. A limiting rod sliding groove is opened in the middle of the top surface of the second adjusting rod. A limiting rod is fixedly installed in the middle of the bottom surface of the drawer. The lower end of the limiting rod is located in the limiting rod sliding groove opened on the upper wall surface of the second adjusting rod;

[0009] The power-off mechanism further includes a cylindrical head concave rod. A T-shaped slider is installed in the middle of the top surface of the cylindrical head concave rod. The T-shaped slider is slidably arranged in a T-shaped sliding groove opened at the rear side of the bottom surface of the drawer. The rear end of the cylindrical head concave rod penetrates through the rear wall surface of the drawer.

[0010] Further, the locking assembly includes a rotating rod rotatably arranged at the front side of the bottom surface of the drawer. The two ends of the rotating rod penetrate through the left and right outer wall surfaces of the drawer and are installed with lock heads. A pressing plate is installed on the middle outer wall surface of the rotating rod. The front end of the second adjusting rod is close to the middle of the rear wall surface of the pressing plate.

[0011] Further, the locking assembly further includes a spring groove opened in the middle of the lower part of the front wall surface of the drawer. A T-shaped push rod is slidably arranged in the spring groove. The rear end of the T-shaped push rod is rotatably arranged in a rotating groove opened in the middle of the pressing plate. The front end of the T-shaped push rod is fixedly installed with a pull rod head at the front wall surface of the drawer. A spring is sleeved on the outer wall surface of the T-shaped push rod located in the spring groove, and a limiting ring is installed on the outer wall surface of the T-shaped push rod located at the rear end of the spring.

[0012] Further, a temperature sensor and a control module are installed in the drawer. The temperature sensor and the motor are both electrically connected to the control module.

[0013] Further, the cabinet body assembly includes a cabinet body. Multiple groups of sliding rails for the cooperation of the drawers are evenly installed in the cabinet body. Locking head columns for the cooperation of the lock heads at both ends of the rotating rod are also fixedly installed in the inner cavity of the cabinet body.

[0014] Further, an electrical plug for matching an electrical socket in the cabinet body is installed in the middle of the rear side wall surface of the drawer. A manual control switch is installed on the front wall surface of the drawer.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. In this utility model, the temperature sensor transmits data to the control module. The control module controls the motor to rotate, driving the turntable to rotate. Further, the first adjusting rod and the second adjusting rod rotatably installed on the bottom surface of the turntable slide. The first adjusting rod pushes the cylindrical head concave rod to slide backward along the drawer. At the same time, the second adjusting rod pushes the abutting plate to rotate around the axis of the rotating rod, causing the rotating rod to rotate and drive the lock head to rotate and disengage from the lock head clamping post. At this time, the rear end of the cylindrical head concave rod contacts the inner cavity wall surface of the cabinet body. As the turntable rotates, the cylindrical head concave rod pushes the drawer to slide out of the cabinet body, further disconnecting the electrical plug from the electrical socket of the cabinet body, thereby powering off the switch control device in the drawer and avoiding the continuous occurrence of electrical fires. The staff can extinguish the fire in the drawer in the first time.

[0017] 2. The locking component and the power-off mechanism of this utility model cooperate with each other to cut off the power supply of the equipment on fire in the first time when a fire occurs, avoiding the time for the fire to spread continuously. At the same time, it avoids the situation that the drawer cannot be opened due to the fire, resulting in the inability to extinguish the fire targeted and the fire spreading to other drawers. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is the schematic diagram of the overall structure of this utility model.

[0019] Figure 2 is the schematic diagram of the cabinet body component of this utility model.

[0020] Figure 3 is the schematic diagram of the drawer mechanism of this utility model.

[0021] Figure 4 is one of the cross-sectional views of the drawer mechanism of this utility model.

[0022] Figure 5 is the enlarged schematic diagram of the structure at A of this utility model.

[0023] Figure 6 is the second cross-sectional view of the drawer mechanism of this utility model.

[0024] Figure 7 is the schematic diagram of the second adjusting rod structure of this utility model.

[0025] In the figure, the corresponding relationship between the component names and the drawing reference numerals is as follows:

[0026] 1. Cabinet assembly; 2. Drawer mechanism; 3. Locking component; 4. Power-off mechanism; 101. Cabinet; 102. Slideway; 103. Lock head column; 201. Drawer; 202. Electrical plug; 203. Manual control switch; 301. Rotating rod; 302. Lock head; 303. Baffle plate; 304. T-shaped push rod; 305. Limit ring; 306. Spring; 307. Pull rod head; 401. Motor; 402. Turntable; 403. Rotating shaft; 404. First adjusting rod; 405. Second adjusting rod; 406. Cylindrical head concave rod; 407. T-shaped slider; 408. Limit rod; 409. Limit rod chute. Detailed implementation mode

[0027] The following further describes in detail the implementation mode of the present utility model in conjunction with the drawings and embodiments. The following embodiments are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0028] In the description of the present utility model, unless otherwise specified, "a plurality of" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0029] In the description of the present utility model, it should be noted that unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0030] Embodiment:

[0031] As shown in the attached Figure 1 to the attached Figure 7 figures: A multi-layer switch cabinet includes a cabinet assembly 1 and a plurality of drawer mechanisms 2 evenly arranged in the inner cavity of the cabinet assembly 1. The drawer mechanism 2 includes a drawer 201. A power-off mechanism 4 is installed in the middle of the bottom surface of the drawer 201, and a locking component 3 is installed in the middle of the front side of the bottom surface of the drawer 201;

[0032] The power-off mechanism 4 includes a motor 401 installed in the middle of the bottom surface of the drawer 201. A turntable 402 is fixedly installed at the rotating end of the motor 401. Two rotating shafts 403 are symmetrically installed on the left and right on the bottom surface of the turntable 402. A first adjusting rod 404 is rotatably installed on the right rotating shaft 403, and a second adjusting rod 405 is rotatably installed on the left rotating shaft 403. A limiting rod chute 409 is opened in the middle of the top surface of the second adjusting rod 405. A limiting rod 408 is fixedly installed in the middle of the bottom surface of the drawer 201. The lower end of the limiting rod 408 is located in the limiting rod chute 409 opened on the upper wall surface of the second adjusting rod 405;

[0033] The power-off mechanism 4 further includes a cylindrical head concave rod 406. A T-shaped slider 407 is installed in the middle of the top surface of the cylindrical head concave rod 406. The T-shaped slider 407 is slidably arranged in a T-shaped chute opened at the rear side of the bottom surface of the drawer 201. The rear end of the cylindrical head concave rod 406 penetrates through the rear wall surface of the drawer 201.

[0034] Thereon, when the motor 401 rotates to drive the turntable 402 to rotate, the second adjusting rod 405 can only slide back and forth under the limitation of the limiting rod chute 409. When the first adjusting rod 404 pushes the cylindrical head concave rod 406 to slide, the T-shaped slider 407 on the cylindrical head concave rod 406 drives the cylindrical head concave rod 406 to only slide back and forth.

[0035] Such as attached Figure 1 to attached Figure 7 As shown, in some embodiments, the locking assembly 3 includes a rotating rod 301 rotatably arranged at the front side of the bottom surface of the drawer 201. The two ends of the rotating rod 301 penetrate through the left and right outer wall surfaces of the drawer 201 and are installed with lock heads 302. A resisting plate 303 is installed on the middle outer wall surface of the rotating rod 301. The front end of the second adjusting rod 405 is close to the middle of the rear wall surface of the resisting plate 303.

[0036] Such as attached Figure 1 to attached Figure 7 As shown, in some embodiments, the locking assembly 3 further includes a spring groove opened in the middle of the lower part of the front wall surface of the drawer 201. A T-shaped push rod 304 is slidably arranged in the spring groove. The rear end of the T-shaped push rod 304 is rotatably arranged in a rotating groove opened in the middle of the resisting plate 303. A pull rod head 307 is fixedly installed at the front end of the T-shaped push rod 304 at the front wall surface of the drawer 201. A spring 306 is sleeved on the outer wall surface of the T-shaped push rod 304 located in the spring groove, and a limiting ring 305 is installed on the outer wall surface of the T-shaped push rod 304 at the rear end of the spring 306.

[0037] Such as attached Figure 1 to attached Figure 7 As shown, in some embodiments, a temperature sensor and a control module are installed in the drawer 201. The temperature sensor and the motor 401 are both electrically connected to the control module.

[0038] Such as attachedFigure 1 To the attached Figure 7 As shown, in some embodiments, the cabinet assembly 1 includes a cabinet 101, in which a plurality of sets of slideways 102 for sliding cooperation with the drawer 201 are evenly installed, and a lock head column 103 for cooperating with the lock heads 302 at both ends of the rotating rod 301 is fixedly installed in the inner cavity of the cabinet 101.

[0039] As attached Figure 1 To the attached Figure 7 As shown, in some embodiments, an electrical plug 202 for matching the electrical slot in the cabinet 101 is installed in the middle of the rear side wall of the drawer 201, and a manual control switch 203 is installed on the front wall of the drawer 201.

[0040] The specific usage method and function of this embodiment are as follows: When it is necessary to open the drawer 201, the T-shaped push rod 304 is driven to slide outwards by pulling the pull rod head 307. At this time, the spring 306 between the limit ring 305 and the spring groove is compressed, and then the backing plate 303 at the rear end of the T-shaped push rod 304 rotates around the axis of the rotating rod 301, thereby driving the rotating rod 301 to rotate. Further, the rotation of the rotating rod 301 drives the lock head 302 to rotate and disengage from the lock head column 103, and then the drawer 201 is pulled out. When the pull rod head 307 is released, the spring 306 pushes the limit ring 305 to reset, thereby driving the T-shaped push rod 304 to drive the backing plate 303 and the rotating rod 301 and the lock head 302 thereon to reset;

[0041] When an electrical fire occurs in the drawer 201, the temperature sensor transmits the data to the control module, and the control module controls the motor 401 to rotate and drive the turntable 402 to rotate. Further, the first adjusting rod 404 and the second adjusting rod 405 rotatably installed on the bottom surface of the turntable 402 slide. The first adjusting rod 404 pushes the cylindrical head concave rod 406 to slide towards the rear side of the drawer 201, and at the same time, the second adjusting rod 405 pushes the backing plate 303 to rotate around the axis of the rotating rod 301. At this time, the spring 306 between the limit ring 305 and the spring groove is compressed, and the front end of the T-shaped push rod 304 slides towards the front end of the drawer 201, thereby driving the rotating rod 301 to rotate and drive the lock head 302 to rotate and disengage from the lock head column 103. When the lock head 302 rotates and disengages from the lock head column 103, the rear end of the cylindrical head concave rod 406 contacts the inner cavity wall surface of the cabinet 101. As the turntable 402 rotates, the cylindrical head concave rod 406 pushes the drawer 201 to slide out of the cabinet 101, further disconnecting the electrical plug 202 from the electrical slot of the cabinet 101, thereby powering off the switch control device in the drawer 201 and avoiding the continuous progress of the electrical fire. The staff can extinguish the fire in the drawer 201 in the first time.

[0042] The embodiments of the present utility model are given for purposes of illustration and description, and are not exhaustive or limit the present utility model to the disclosed forms. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are chosen and described in order to better explain the principles of the present utility model and its practical applications, and to enable those of ordinary skill in the art to understand the present utility model so as to design various embodiments with various modifications suitable for specific purposes.

Claims

1. A multi-layer switch cabinet, comprising a cabinet body assembly (1) and a plurality of drawer mechanisms (2) evenly arranged in the inner cavity of the cabinet body assembly (1), the drawer mechanism (2) comprising a drawer (201), characterized in that: A power-off mechanism (4) is installed in the middle of the bottom surface of the drawer (201), and a locking assembly (3) is installed in the middle of the front side of the bottom surface of the drawer (201); The power-off mechanism (4) includes a motor (401) installed in the middle of the bottom surface of the drawer (201). A turntable (402) is fixedly installed at the rotating end of the motor (401). Two rotating shafts (403) are symmetrically installed on the left and right on the bottom surface of the turntable (402). A first adjusting rod (404) is rotatably installed on the right rotating shaft (403), and a second adjusting rod (405) is rotatably installed on the left rotating shaft (403). A limiting rod chute (409) is opened in the middle of the top surface of the second adjusting rod (405). A limiting rod (408) is fixedly installed in the middle of the bottom surface of the drawer (201). The lower end of the limiting rod (408) is located in the limiting rod chute (409) opened on the upper wall surface of the second adjusting rod (405); The power-off mechanism (4) further includes a cylindrical head concave rod (406). A T-shaped slider (407) is installed in the middle of the top surface of the cylindrical head concave rod (406). The T-shaped slider (407) is slidably arranged in a T-shaped chute opened on the rear side of the bottom surface of the drawer (201). The rear end of the cylindrical head concave rod (406) penetrates through the rear wall surface of the drawer (201).

2. The multi-layer switch cabinet according to claim 1, characterized in that: The locking assembly (3) includes a rotating rod (301) rotatably arranged on the front side of the bottom surface of the drawer (201). The two ends of the rotating rod (301) penetrate through the left and right outer wall surfaces of the drawer (201) and are installed with lock heads (302). A pressing plate (303) is installed on the middle outer wall surface of the rotating rod (301). The front end of the second adjusting rod (405) is close to the middle of the rear wall surface of the pressing plate (303).

3. The multi-layer switch cabinet according to claim 2, characterized in that: The locking assembly (3) further includes a spring groove opened in the middle of the lower part of the front wall surface of the drawer (201). A T-shaped push rod (304) is slidably arranged in the spring groove. The rear end of the T-shaped push rod (304) is rotatably arranged in a rotating groove opened in the middle of the pressing plate (303). The front end of the T-shaped push rod (304) is fixedly installed with a pull rod head (307) at the front wall surface of the drawer (201). A spring (306) is sleeved on the outer wall surface of the T-shaped push rod (304) located in the spring groove, and a limiting ring (305) is installed on the outer wall surface of the T-shaped push rod (304) located at the rear end of the spring (306).

4. The multi-layer switch cabinet according to claim 1, wherein: A temperature sensor and a control module are installed in the drawer (201). The temperature sensor and the motor (401) are both electrically connected to the control module.

5. The multi-layer switch cabinet according to claim 1, wherein: The cabinet body assembly (1) includes a cabinet body (101). A plurality of groups of slideways (102) for sliding cooperation with the drawer (201) are uniformly installed in the cabinet body (101). A lock head column (103) for cooperating with the lock heads (302) at both ends of the rotating rod (301) is also fixedly installed in the inner cavity of the cabinet body (101).

6. The multi-layer switch cabinet according to claim 5, wherein: An electrical plug (202) for matching the electrical socket in the cabinet body (101) is installed in the middle of the rear side wall surface of the drawer (201). A manual control switch (203) is installed on the front wall surface of the drawer (201).