Medium-voltage switch cabinet facilitating component protection function

Abstract

The utility model relates to the technical field of medium-voltage switch cabinets, and discloses a medium-voltage switch cabinet convenient for protecting components, which comprises a cabinet body, a cabinet door is movably mounted in the middle of the cabinet body, and a handle is fixedly mounted in the middle of the cabinet door. The fire insulation assembly is fixedly mounted in the cabinet body; the fire insulation assembly comprises a fire insulation part and a ventilation part; the protection assembly is fixedly mounted in the cabinet body; wherein the protection assembly comprises a control part and a protection part; and the fire insulation part comprises a fireproof bottom plate. According to the utility model, the fire insulation assembly is arranged, the components in the cabinet body are separated through the fireproof bottom plate, the fireproof partition plates and the fireproof plates, and the mounting of the components is regionalized, so that when the interior of the cabinet body is on fire, the fire spreading can be effectively blocked and slowed down, and the fireproof coating can prevent the inner wall of the cabinet body from being easily burnt out; and the effect of preventing fire spreading in the cabinet body is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of medium - voltage switch cabinets, and specifically relates to a medium - voltage switch cabinet which is convenient for protecting components. 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, and each branch is set as required. Such as instruments, 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, and some also have low - frequency load shedding to protect the main equipment.

[0003] At present, in the actual application process of medium - voltage switch cabinets, since the components inside the medium - voltage switch cabinets are all installed inside the cabinet body uniformly, if an electrical fire occurs inside the switch cabinet accidentally, after timely fire - extinguishing treatment inside the medium - voltage switch cabinet, the components inside the medium - voltage switch cabinet will all be damaged to a certain extent and cannot be used continuously, which affects the service life of the components inside the medium - voltage switch cabinet and wastes costs. Content of the Utility Model

[0004] The purpose of the utility model is to provide a medium - voltage switch cabinet which is convenient for protecting components, so as to achieve the purpose of solving the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A medium - voltage switch cabinet which is convenient for protecting components, including a cabinet body, a cabinet door is movably installed in the middle of the cabinet body, and a handle is fixedly installed in the middle of the cabinet door;

[0006] A fire - separation component, the fire - separation component is fixedly installed inside the cabinet body;

[0007] Among them, the fire - separation component includes a fire - separation part and a ventilation part;

[0008] A protection component, the protection component is fixedly installed inside the cabinet body;

[0009] Among them, the protection component includes a control part and a protection part.

[0010] Preferably, the fire - separation part includes a fire - proof bottom plate, a fire - proof partition is fixedly installed on the top of the fire - proof bottom plate, a fire - proof board is fixedly installed inside the cabinet body, and a fire - proof coating is provided on the inner wall of the cabinet body; the components inside the cabinet are all installed separately by the fire - proof bottom plate, the fire - proof partition and the fire - proof board. When a fire breaks out inside the cabinet, the fire occurs in a certain area, achieving the effect of reducing the impact on the components in other areas.

[0011] Preferably, the fireproof bottom plate is fixedly installed inside the cabinet body. The fireproof partitions are linearly and equidistantly arranged on the top of the fireproof bottom plate. The fireproof board is fixedly installed with the fireproof bottom plate and the fireproof board is fixedly installed with the fireproof partitions.

[0012] Preferably, the ventilation part includes a wire groove. A shutter is movably installed inside the cabinet body. A transparent glass is fixedly installed inside the cabinet door. Ventilation net plates are linearly and equidistantly fixedly installed inside the cabinet body. The wire groove is opened inside the fireproof board. A pull ring is fixedly installed inside the shutter. The ventilation net plates are symmetrically arranged on both sides of the cabinet body. The fireproof bottom plate is arranged between the ventilation net plates. The setting of the shutter enables the operator to conveniently perform regular maintenance on the main circuit board and the circuit breaker.

[0013] Preferably, the control part includes a main circuit board. A control box is fixedly installed on the back of the cabinet body. A circuit breaker is arranged inside the cabinet body. A temperature sensor is fixedly installed on the top of the inner wall of the cabinet body. The control box controls the start and stop of the circuit breaker, achieving the effect that the main circuit of the cabinet can be powered off in time in case of a fire.

[0014] Preferably, the main circuit board is fixedly installed on the back of the fireproof board. The main circuit board is electrically connected to all the components inside the switch cabinet. The main circuit board is electrically connected to the circuit breaker. The circuit breaker is fixedly installed on the back of the fireproof board. The control box is electrically connected to the temperature sensor and the control box is electrically connected to the circuit breaker.

[0015] Preferably, the protection part includes a baffle. A bottom cover is arranged inside the cabinet body. A telescopic rod is fixedly installed on the top of the baffle. A fixed frame is fixedly installed on the top of the telescopic rod. A blower is fixedly installed inside the cabinet body. An air storage tank is fixedly installed on the top of the cabinet body. A tank cover is fixedly installed on the top of the air storage tank. A frame body is fixedly installed on the top of the inner wall of the cabinet body. The telescopic rod, the blower and the air storage tank are arranged in the cabinet body. The air storage tank is filled with gaseous fire extinguishing agent. The telescopic rod and the blower are both controlled by the control box, achieving the effect that the cabinet can automatically extinguish fire.

[0016] Preferably, the baffle is movably installed inside the bottom cover. The bottom cover is fixedly installed at the bottom of the frame body. The telescopic rod is electrically connected to the control box. The blower is electrically connected to the control box. The fixed frame is fixedly installed on the inner wall of the frame body. The blower is arranged on the top of the telescopic rod. The air storage tank is internally communicated with the frame body. An air inlet hopper is fixedly installed on the top of the tank cover. A plunger is arranged inside the air inlet hopper.

[0017] The utility model provides a medium-voltage switch cabinet which is convenient for protecting components. It has the following

[0018] Beneficial effects:

[0019] (1) The utility model separates the components inside the cabinet through the fire separation component. The components inside the cabinet are separated by the fireproof bottom plate, fireproof partition board and fireproof board, and the installation areas of the components are set in a regionalized manner. When a fire breaks out inside the cabinet, it can effectively block and slow down the spread of the fire. The fireproof coating can prevent the inner wall of the cabinet from being easily burned, achieving the effect of blocking the spread of the fire inside the cabinet.

[0020] (2) The utility model is provided with a protection component. After a fire breaks out inside the cabinet, the temperature changes, the temperature sensor receives the signal, the control box controls the circuit breaker to disconnect the circuit, the telescopic rod starts, the baffle descends, the inside of the frame is communicated with the inside of the cabinet, and at the same time the fan starts, and the gaseous fire extinguishing agent mainly composed of heptafluoropropane in the frame is sprayed into the inside of the cabinet to effectively extinguish the fire inside the cabinet, achieving the effect of quickly extinguishing the fire inside the cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a schematic structural view of the utility model;

[0022] Figure 2 is an internal structural view of the utility model;

[0023] Figure 3 is a right view of the utility model;

[0024] Figure 4 is a rear view of the utility model.

[0025] In the figure: 1 cabinet body, 2 cabinet door, 3 fire separation component, 31 fire separation part, 311 fireproof bottom plate, 312 fireproof partition board, 313 fireproof board, 314 fireproof coating, 32 ventilation part, 321 wire groove, 322 blocking door, 323 transparent glass, 324 ventilation net plate, 4 protection component, 41 control part, 411 main circuit board, 412 control box, 413 circuit breaker, 414 temperature sensor, 42 protection part, 421 baffle, 422 bottom cover, 423 telescopic rod, 424 fixing bracket, 425 fan, 426 gas storage tank, 427 tank cover, 428 frame. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present utility model.

[0027] Examples of the embodiments are shown in the drawings, where like or similar reference numerals designate like or similar elements or elements having like or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present utility model and should not be construed as limiting the present utility model.

[0028] Embodiment 1

[0029] A preferred embodiment of a medium-voltage switchgear cabinet that facilitates the protection function of components provided by the present utility model is as Figures 1-4 shown: A medium-voltage switchgear cabinet that facilitates the protection function of components includes a cabinet body 1, a cabinet door 2 is movably installed in the middle of the cabinet body 1, and a handle is fixedly installed in the middle of the cabinet door 2;

[0030] A fire separation component 3 is fixedly installed inside the cabinet body 1;

[0031] Among them, the fire separation component 3 includes a fire separation part 31 and a ventilation part 32;

[0032] The fire separation part 31 includes a fireproof bottom plate 311, a fireproof partition plate 312 is fixedly installed on the top of the fireproof bottom plate 311, a fireproof board 313 is fixedly installed inside the cabinet body 1, a fireproof coating 314 is provided on the inner wall of the cabinet body 1, the fireproof bottom plate 311 is fixedly installed inside the cabinet body 1, the fireproof partition plates 312 are linearly and equidistantly arranged on the top of the fireproof bottom plate 311, the fireproof board 313 is fixedly installed with the fireproof bottom plate 311, and the fireproof board 313 is fixedly installed with the fireproof partition plates 312; Components inside the cabinet body 1 are separated by the fireproof bottom plate 311, the fireproof partition plates 312 and the fireproof board 313, and the installation areas of the components are set in a regionalized manner. When a fire breaks out inside the cabinet body 1, the spread of the fire can be effectively blocked and slowed down, and the fireproof coating 314 can prevent the inner wall of the cabinet body 1 from being easily burned;

[0033] The ventilation part 32 includes a wire groove 321, a shutter 322 is movably installed inside the cabinet body 1, a transparent glass 323 is fixedly installed inside the cabinet door 2, ventilation net plates 324 are linearly and equidistantly fixedly installed on both sides of the cabinet body 1, the wire groove 321 is opened inside the fireproof board 313, a pull ring is fixedly installed inside the shutter 322, the ventilation net plates 324 are symmetrically arranged on both sides of the cabinet body 1, and the fireproof bottom plate 311 is arranged between the ventilation net plates 324; The inside of the cabinet body 1 is ventilated and cooled through the ventilation net plates 324. The situation inside the cabinet body 1 can be observed through the transparent glass 323, and the circuits of the components are centrally processed through the wire groove 321.

[0034] Embodiment 2

[0035] On the basis of Embodiment 1, a preferred embodiment of a medium-voltage switchgear cabinet that facilitates the protection function of components provided by the present utility model is as Figures 1-4As shown: a protection component 4, which is fixedly installed inside the cabinet body 1;

[0036] Among them, the protection component 4 includes a control part 41 and a protection part 42;

[0037] The control part 41 includes a main circuit board 411. A control box 412 is fixedly installed on the back of the cabinet body 1. A circuit breaker 413 is arranged inside the cabinet body 1. A temperature sensor 414 is fixedly installed at the top of the inner wall of the cabinet body 1. The main circuit board 411 is fixedly installed on the back of the fireproof board 313. The main circuit board 411 is electrically connected to all the internal components of the switch cabinet. There is an electrical connection between the main circuit board 411 and the circuit breaker 413. The circuit breaker 413 is fixedly installed on the back of the fireproof board 313. There is an electrical connection between the control box 412 and the temperature sensor 414. There is an electrical connection between the control box 412 and the circuit breaker 413. After a fire breaks out inside the cabinet body 1, the temperature changes. The temperature sensor 414 receives the signal, and the control box 412 controls the circuit breaker 413 to cut off the circuit;

[0038] The protection part 42 includes a baffle 421. A bottom cover 422 is arranged inside the cabinet body 1. A telescopic rod 423 is fixedly installed at the top of the baffle 421. A fixing frame 424 is fixedly installed at the top of the telescopic rod 423. A blower 425 is fixedly installed inside the cabinet body 1. An air storage tank 426 is fixedly installed at the top of the cabinet body 1. A tank cover 427 is fixedly installed at the top of the air storage tank 426. A frame body 428 is fixedly installed at the top of the inner wall of the cabinet body 1. The baffle 421 is movably installed inside the bottom cover 422. The bottom cover 422 is fixedly installed at the bottom of the frame body 428. There is an electrical connection between the telescopic rod 423 and the control box 412. There is an electrical connection between the blower 425 and the control box 412. The fixing frame 424 is fixedly installed on the inner wall of the frame body 428. The blower 425 is arranged at the top of the telescopic rod 423. The air storage tank 426 is internally communicated with the inside of the frame body 428. An air inlet hopper is fixedly installed at the top of the tank cover 427, and a plunger is arranged inside the air inlet hopper. When the telescopic rod 423 starts, the baffle 421 descends, and the inside of the frame body 428 is communicated with the inside of the cabinet body 1. At the same time, the blower 425 starts, and the gaseous fire extinguishing agent, mainly composed of heptafluoropropane, in the frame body 428 is sprayed into the cabinet body 1 to effectively extinguish the fire inside the cabinet body 1. The air storage tank 426 mainly stores the gaseous fire extinguishing agent, and the gaseous fire extinguishing agent can be injected into the air storage tank 426 through the air inlet hopper.

[0039] During use, the components inside the cabinet body 1 are separated by the fireproof bottom plate 311, the fireproof partition 312 and the fireproof board 313. The installation areas of the components are set in a regionalized manner. When a fire breaks out inside the cabinet body 1, it can effectively block and slow down the spread of the fire. The fireproof coating 314 can prevent the inner wall of the cabinet body 1 from being easily burned. The inside of the cabinet body 1 is ventilated and cooled through the ventilation mesh plate 324. The situation inside the cabinet body 1 can be observed through the transparent glass 323. The circuits of the components are centrally processed through the wire grooves 321. After a fire breaks out inside the cabinet body 1, the temperature changes. The temperature sensor 414 receives the signal, the control box 412 controls the circuit breaker 413 to disconnect the circuit, the telescopic rod 423 is activated, the baffle 421 descends, and the inside of the frame body 428 communicates with the inside of the cabinet body 1. At the same time, the fan 425 is activated to spray the gaseous fire extinguishing agent, mainly composed of heptafluoropropane, inside the cabinet body 1 into the cabinet body 1 for effective fire extinguishing inside the cabinet body 1. The gaseous fire extinguishing agent is mainly stored in the gas storage tank 426, and the gaseous fire extinguishing agent can be injected into the gas storage tank 426 through the air inlet hopper.

[0040] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A medium voltage switchgear that facilitates component protection, characterized in that: It comprises a cabinet body (1), a cabinet door (2) is movably mounted in the middle of the cabinet body (1), and a handle is fixedly mounted in the middle of the cabinet door (2); A fire isolation component (3), wherein the fire isolation component (3) is fixedly installed inside the cabinet (1); Wherein, the fire isolation component (3) comprises a fire isolation part (31) and a ventilation part (32); A protection component (4), wherein the protection component (4) is fixedly installed inside the cabinet (1); Wherein, the protection component (4) comprises a control part (41) and a protection part (42).

2. A medium voltage switch cabinet for facilitating component protection according to claim 1, characterized in that: The fire isolation part (31) comprises a fireproof bottom plate (311), a fireproof partition (312) is fixedly installed on the top of the fireproof bottom plate (311), a fireproof board (313) is fixedly installed inside the cabinet (1), and the inner wall of the cabinet (1) is provided with a fireproof coating (314).

3. A medium voltage switch cabinet for facilitating component protection according to claim 2, characterized in that: The fireproof bottom plate (311) is fixedly installed inside the cabinet (1), the fireproof partition (312) is linearly equidistantly arranged on the top of the fireproof bottom plate (311), the fireproof board (313) is fixedly installed on the fireproof bottom plate (311), and the fireproof board (313) is fixedly installed on the fireproof partition (312).

4. A medium voltage switch cabinet for facilitating component protection according to claim 1, characterized in that: The ventilation part (32) comprises a wire groove (321), a baffle door (322) is movably installed inside the cabinet (1), a transparent glass (323) is fixedly installed inside the cabinet door (2), ventilation mesh plates (324) are fixedly installed at linear intervals inside the cabinet (1), the wire groove (321) is opened inside the fireproof plate (313), a pull ring is fixedly installed inside the baffle door (322), the ventilation mesh plates (324) are symmetrically arranged on both sides of the cabinet (1), and the fireproof bottom plate (311) is arranged between the ventilation mesh plates (324).

5. A medium voltage switch cabinet for facilitating component protection according to claim 1, characterized in that: The control part (41) comprises a main circuit board (411), a control box (412) is fixedly mounted on the back of the cabinet (1), a circuit breaker (413) is arranged inside the cabinet (1), and a temperature sensor (414) is fixedly mounted on the top of the inner wall of the cabinet (1).

6. A medium voltage switch cabinet for facilitating component protection according to claim 5, characterized in that: The main circuit board (411) is fixedly installed on the back of the fireproof board (313), the main circuit board (411) is electrically connected to the components inside the switch cabinet, the main circuit board (411) is electrically connected to the circuit breaker (413), the circuit breaker (413) is fixedly installed on the back of the fireproof board (313), the control box (412) is electrically connected to the temperature sensor (414), and the control box (412) is electrically connected to the circuit breaker (413).

7. A medium voltage switch cabinet for facilitating component protection according to claim 1, characterized in that: The protective part (42) comprises a baffle (421), a bottom cover (422) is arranged inside the cabinet (1), a telescopic rod (423) is fixedly installed on the top of the baffle (421), a fixing frame (424) is fixedly installed on the top of the telescopic rod (423), a fan (425) is fixedly installed inside the cabinet (1), an air storage box (426) is fixedly installed on the top of the cabinet (1), a box cover (427) is fixedly installed on the top of the air storage box (426), and a frame (428) is fixedly installed on the top of the inner wall of the cabinet (1).

8. A medium voltage switch cabinet for facilitating component protection according to claim 7, characterized in that: The baffle (421) is movably mounted inside the bottom cover (422), the bottom cover (422) is fixedly mounted on the bottom of the frame (428), the telescopic rod (423) is electrically connected to the control box (412), the fan (425) is electrically connected to the control box (412), the fixing frame (424) is fixedly mounted on the inner wall of the frame (428), the fan (425) is arranged on the top of the telescopic rod (423), the air storage box (426) is connected to the inside of the frame (428), and an air intake hopper is fixedly mounted on the top of the box cover (427), and a plunger is arranged inside the air intake hopper.

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