Electrical control cabinet

By designing internal resistance mechanism and flame retardant glue ring in the electrical control cabinet, the problem of spontaneous combustion of electrical components in traditional electrical control cabinets cannot be flame-retardant, and effective flame retardant and timely extinguishing of circuit breakers is achieved to ensure the normal use of the electrical control cabinet.

CN222868341UActive Publication Date: 2025-05-13YUNNAN HUADIAN INSPECTION DIVISION POWER GENERATION CO LTD
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Patent Information

Application Number
CN202421174101.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-28
Publication Date
2025-05-13
Estimated Expiration
2034-05-28

AI Technical Summary

Technical Problem

In traditional electrical control cabinets, electrical components are installed nakedly, and the fault cannot effectively retardant when it spontaneously ignites, resulting in damage to other electrical components and affecting normal use.

Method used

An electrical control cabinet is designed, using an internal resistance mechanism and a flame-retardant rubber ring. The internal resistance mechanism includes an internal resistance frame, a flow chamber, a discharge hole and a fire extinguishing agent system. The flame-retardant rubber ring forms a complete flame-retardant path by combining the first and second half flame-retardant rubber rings to prevent spontaneous combustion from being conducted by electrical wiring.

Benefits of technology

The spontaneous combustion of the effective flame retardant circuit breaker prevents damage to other electrical components and extinguishes the fire in a timely manner through the fire extinguishing agent system to ensure the normal operation of the electrical control cabinet.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an electrical control cabinet, and particularly relates to the technical field of electrical equipment, which comprises a control cabinet body, a cabinet door is mounted on one side of the control cabinet body through a hinge, a mounting cross frame is fixedly mounted in the control cabinet body, a plurality of circuit breakers are detachably mounted on the mounting cross frame, electrical elements are fixedly mounted in the control cabinet body, and the circuit breakers are detachably mounted on the circuit breakers. Electric connecting wires are arranged between the plurality of circuit breakers and the electric element, and internal resistance mechanisms are arranged at the positions of the circuit breakers. According to the device, the circuit breaker is arranged in the internal resistance frame, when the circuit breaker breaks down and spontaneously ignites, the internal resistance frame can effectively resist flame and prevent other electrical elements from being damaged, meanwhile, the pump machine is controlled to be started, and a fire extinguishing agent in the fire extinguishing agent cylinder is guided into a flow guide cavity in the internal resistance frame through the pump machine, the multi-way pipe, the corrugated pipes, the connecting pipe and the connector; and the fire can be extinguished in time for the circuit breaker which is spontaneously combusted, and the flame can be further retarded.
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Description

Technical Field

[0001] The utility model relates to the technical field of electric control cabinets, in particular to an electric control cabinet. Background Art

[0002] An electrical control cabinet is a device used to control electrical equipment. It is usually made of metal or plastic and contains various electrical components such as circuit breakers, contactors, relays, timers, etc. Electrical control cabinets can be used to monitor, protect and operate various electrical equipment such as motors, generators, transformers, etc.; they are usually used in industrial production lines, power plants, buildings and other places to ensure the safe operation and effective control of electrical equipment.

[0003] Traditional electrical control cabinets still have some problems when in use: most electrical components are installed naked inside the control cabinet. When an electrical component fails and spontaneously combusts, it cannot be effectively flame-retarded, causing damage to other electrical components, thereby affecting the normal use of the entire electrical control cabinet. To this end, we propose an electrical control cabinet to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide an electrical control cabinet to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical solutions: an electrical control cabinet, comprising a control cabinet, a cabinet door is hingedly installed on one side of the control cabinet, a mounting cross frame is fixedly installed in the control cabinet, a plurality of circuit breakers are detachably mounted on the mounting cross frame, an electrical component is fixedly installed in the control cabinet, electrical wiring is arranged between the plurality of circuit breakers and the electrical components, and an internal resistance mechanism is arranged at the position of the circuit breaker;

[0006] The internal resistance mechanism includes a plurality of internal resistance frames, a mounting frame is fixedly installed on one side of the internal resistance frame, the circuit breaker is located in the internal resistance frame, a flow guide cavity is opened in the internal resistance frame, a plurality of evenly distributed drainage holes are opened on the inner side of the internal resistance frame, a connector is integrally formed at the top of the internal resistance frame, a plurality of fire extinguishing agent cartridges are arranged at the top of the internal resistance frames, a pump is fixedly installed at the output port of the fire extinguishing agent cartridge, a multi-way pipe is fixedly installed at the output end of the pump, a plurality of bellows are fixedly installed on the side of the multi-way pipe away from the pump, a connecting pipe is fixedly installed on one end of the bellows away from the multi-way pipe, and one end of the connecting pipe away from the bellows is fixedly installed to the top of the corresponding connecting head.

[0007] Preferably, a wire threading hole corresponding to the electrical wiring is provided at the bottom end of the internal resistance frame, a wire threading groove is provided on one side of the wire threading hole, the wire threading groove extends from the side away from the wire threading hole to one side of the internal resistance frame, a limit plate is slidably provided in the wire threading groove, the top of the wire threading hole is provided with a first half flame retardant rubber ring and a second half flame retardant rubber ring, the first half flame retardant rubber ring and the second half flame retardant rubber ring are combined into a flame retardant rubber ring, and the electrical wiring movably passes through the flame retardant rubber ring and the wire threading hole.

[0008] Preferably, the first semi-flame retardant rubber ring is fixedly mounted on one side of the top of the limiting plate close to the threading hole, and the second semi-flame retardant rubber ring is fixedly mounted on one side of the lower wall of the inner resistance frame close to the threading hole.

[0009] Preferably, a fixing plate is fixedly mounted on one end of the plurality of limit plates, and the fixing plate is fixedly mounted on the internal resistance frame by screws.

[0010] Preferably, a positioning block is provided on the top of the mounting frame, and the mounting frame and the positioning block are movably connected to the mounting cross frame. A clamping block is fixedly installed on the side of the positioning block close to the mounting frame, and the clamping block is slidably connected to the top of the mounting frame. A guide shaft is movably inserted in the middle of the clamping block, and the guide shaft is fixedly installed on the top of the mounting frame. A spring is movably sleeved on the outer side of the guide shaft at the top of the clamping block.

[0011] Preferably, a fixing frame is detachably mounted on the outer side of the fire extinguishing agent cylinder, and the fixing frame is fixedly mounted on the inner side of the control cabinet.

[0012] Preferably, a plurality of wire insertion barrels are fixedly provided on the bottom end of the control cabinet.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. By setting up the internal resistance mechanism, the circuit breaker is located in the internal resistance frame. When the circuit breaker fails and spontaneous combustion occurs, the internal resistance frame can effectively flame retardant to prevent other electrical components from being damaged. At the same time, the pump is controlled to start, and the fire extinguishing agent in the fire extinguishing agent cylinder is introduced into the guide cavity in the internal resistance frame through the pump, multi-way pipe, multiple bellows, connecting pipe and connecting head, and is evenly discharged through multiple drainage holes, so as to timely extinguish the spontaneously combusting circuit breaker and further flame retardant to prevent other electrical components from being damaged.

[0015] 2. By setting the first half flame retardant rubber ring and the second half flame retardant rubber ring, the first half flame retardant rubber ring and the second half flame retardant rubber ring are combined into a flame retardant rubber ring, which can be used to flame retard the electrical wiring position to prevent the circuit breaker from malfunctioning and spontaneously igniting along the electrical wiring to cause damage to other electrical components. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the structure of the utility model.

[0018] Figure 2 It is a structural schematic diagram of the circuit breaker and internal resistance mechanism in the utility model.

[0019] Figure 3 It is a partial structural schematic diagram of the internal resistance mechanism in the utility model.

[0020] Figure 4 For this utility model Figure 3 Enlarged view of point A in the middle.

[0021] Figure 5 For this utility model Figure 3 Enlarged view of point B in the middle.

[0022] Figure 6 For this utility model Figure 3 Enlarged view of point C in the middle.

[0023] In the figure: 1. control cabinet; 11. electrical components; 12. wire barrel; 2. cabinet door; 3. mounting crossbeam; 4. circuit breaker; 41. electrical wiring; 5. internal resistance mechanism; 51. internal resistance frame; 501. flow guide chamber; 502. drainage hole; 503. connector; 52. mounting frame; 521. positioning block; 522. clamping block; 523. guide shaft; 524. spring; 511. threading hole; 512. threading groove; 53. limit plate; 54. fixing plate; 55. first half flame retardant rubber ring; 551. second half flame retardant rubber ring; 56. fire extinguishing agent cylinder; 561. pump; 562. multi-way pipe; 563. bellows; 564. connecting pipe; 57. fixing frame. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Example: Figure 1-6As shown, the utility model provides an electrical control cabinet, including a control cabinet body 1, a cabinet door 2 is installed on a hinge on one side of the control cabinet body 1, a mounting cross frame 3 is fixedly installed in the control cabinet body 1, a plurality of circuit breakers 4 are detachably installed on the mounting cross frame 3, an electrical component 11 is fixedly installed in the control cabinet body 1, an electrical connection 41 is provided between the plurality of circuit breakers 4 and the electrical component 11, and an internal resistance mechanism 5 is provided at the position of the circuit breaker 4;

[0026] The internal resistance mechanism 5 includes a plurality of internal resistance frames 51, a mounting frame 52 is fixedly installed on one side of the internal resistance frame 51, a positioning block 521 is provided on the top of the mounting frame 52, the mounting frame 52 and the positioning block 521 are movably connected to the mounting cross frame 3, a clamping block 522 is fixedly installed on the side of the positioning block 521 close to the mounting frame 52, the clamping block 522 is slidably connected to the top of the mounting frame 52, a guide shaft 523 is movably inserted in the middle of the clamping block 522, the guide shaft 523 is fixedly installed on the top of the mounting frame 52, and a spring 524 is movably sleeved on the outer side of the guide shaft 523 at the top of the clamping block 522. By providing the mounting frame 52 and the positioning block 521, the mounting frame 52 and the positioning block 521 are movably connected to the mounting cross frame 3, so that the plurality of internal resistance frames 51 and the mounting cross frame 3 are detachably connected and fixed;

[0027] The circuit breaker 4 is located in the internal resistance frame 51. By setting the internal resistance frame 51, the circuit breaker 4 is located in the internal resistance frame 51. When the circuit breaker 4 fails and spontaneous combustion occurs, the internal resistance frame 51 can effectively flame retardant to prevent other electrical components 11 from being damaged; a guide cavity 501 is opened in the internal resistance frame 51, and a plurality of evenly distributed drainage holes 502 are opened on the inner side of the internal resistance frame 51. A connector 503 is integrally formed at the top of the internal resistance frame 51. A fire extinguishing agent cartridge 56 is provided at the top of the plurality of internal resistance frames 51. A pump 561 is fixedly installed at the output port of the fire extinguishing agent cartridge 56. A multi-way pipe 562 is fixedly installed at the output end of the pump 561. A side of the multi-way pipe 562 away from the pump 561 is fixedly installed A plurality of bellows 563 are installed, and a connecting pipe 564 is fixedly installed at one end of the bellows 563 away from the multi-way tube 562. The connecting pipe 564 is fixedly installed at one end away from the bellows 563 and the top of the corresponding connecting head 503. When the circuit breaker 4 fails and spontaneous combustion occurs, the pump 561 is controlled to start at the same time, and the fire extinguishing agent in the fire extinguishing agent cylinder 56 is introduced into the guide cavity 501 in the internal resistance frame 51 through the pump 561, the multi-way tube 562, the plurality of bellows 563, the connecting pipe 564 and the connecting head 503, and is evenly discharged through the plurality of drainage holes 502, so as to timely extinguish the spontaneously combusting circuit breaker 4 and further prevent other electrical components 11 from being damaged by flame retardancy.

[0028] A threading hole 511 corresponding to the electrical connection 41 is provided at the bottom of the internal resistance frame 51, and a threading groove 512 is provided on one side of the threading hole 511. The threading groove 512 extends from the side away from the threading hole 511 to the side of the internal resistance frame 51. Limiting plates 53 are slidably clamped in the threading groove 512. A fixing plate 54 is fixedly installed at one end of the plurality of limiting plates 53. The fixing plate 54 is fixedly installed on the internal resistance frame 51 by screws, so as to connect and fix the plurality of limiting plates 53, and facilitate sliding and disassembling the plurality of limiting plates 53.

[0029] The top of the threading hole 511 is provided with a first half flame retardant rubber ring 55 and a second half flame retardant rubber ring 551. The first half flame retardant rubber ring 55 is fixedly installed on the side of the top of the limiting plate 53 close to the threading hole 511, and the second half flame retardant rubber ring 551 is fixedly installed on the side of the lower wall of the inner resistance frame 51 close to the threading hole 511; the first half flame retardant rubber ring 55 and the second half flame retardant rubber ring 551 are combined into a flame retardant rubber ring, and the electrical wiring 41 movably passes through the flame retardant rubber ring and the threading hole 511. The electrical wiring 41 is limited and fixed by setting the limiting plate 53, and the first half flame retardant rubber ring 55 and the second half flame retardant rubber ring 551 are set. The first half flame retardant rubber ring 55 and the second half flame retardant rubber ring 551 are combined into a flame retardant rubber ring, which can be flame-retardant at the position of the electrical wiring 41 to prevent the circuit breaker 4 from malfunctioning and spontaneously igniting along the electrical wiring 41 to extend to other electrical components 11 and cause damage.

[0030] The outer side of the fire extinguishing agent cartridge 56 is detachably sleeved with a fixing frame 57 , which is fixedly mounted on the inner side of the control cabinet 1 to detachably fix the fire extinguishing agent cartridge 56 , making it easy to remove and replace the fire extinguishing agent cartridge 56 .

[0031] The bottom end of the control cabinet 1 is fixedly provided with a plurality of wire plug barrels 12 . By providing the wire plug barrels 12 , it is convenient for external wires to be placed in the control cabinet 1 through the plurality of wire plug barrels 12 .

[0032] Working principle: When in use, multiple internal resistance frames 51 are movably connected to the installation horizontal frame 3 through the installation frame 52 and the positioning block 521, and the multiple internal resistance frames 51 and the installation horizontal frame 3 are detachably connected and fixed. Then, multiple circuit breakers 4 are installed in the corresponding internal resistance frames 51, and the electric wires 41 pass through the threading holes 511 through the threading grooves 512. Then, the limiting plate 53 is slidably installed in the threading grooves 512 and fixed with the fixing plate 54. At this time, the electric wires 41 movably pass through the flame-retardant rubber ring and the threading holes 511;

[0033] When the circuit breaker 4 fails and spontaneous combustion occurs, the internal resistance frame 51 can effectively prevent the other electrical components 11 from being damaged. At the same time, the pump 561 is controlled to start, and the fire extinguishing agent in the fire extinguishing agent cartridge 56 is introduced into the guide cavity 501 in the internal resistance frame 51 through the pump 561, the multi-way pipe 562, the plurality of bellows 563, the connecting pipe 564 and the connecting head 503, and is evenly discharged through the plurality of drainage holes 502, so as to timely extinguish the spontaneously combusted circuit breaker 4 and further prevent the other electrical components 11 from being damaged.

[0034] Among them, by setting the first half flame retardant rubber ring 55 and the second half flame retardant rubber ring 551, the first half flame retardant rubber ring 55 and the second half flame retardant rubber ring 551 are combined into a flame retardant rubber ring, which can be used to flame retard the position of the electrical wiring 41 to prevent the circuit breaker 4 from malfunctioning and spontaneously igniting along the electrical wiring 41 to extend to other electrical components 11 and cause damage.

[0035] 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. An electrical control cabinet, comprising a control cabinet body (1), characterized in that: A cabinet door (2) is hingedly mounted on one side of the control cabinet (1); a mounting cross frame (3) is fixedly mounted in the control cabinet (1); a plurality of circuit breakers (4) are detachably mounted on the mounting cross frame (3); an electrical component (11) is fixedly mounted in the control cabinet (1); electrical connections (41) are arranged between the plurality of circuit breakers (4) and the electrical component (11); and an internal resistance mechanism (5) is arranged at the position of the circuit breaker (4); The internal resistance mechanism (5) comprises a plurality of internal resistance frames (51), a mounting frame (52) is fixedly mounted on one side of the internal resistance frame (51), the circuit breaker (4) is located in the internal resistance frame (51), a flow guide cavity (501) is provided in the internal resistance frame (51), a plurality of evenly distributed flow discharge holes (502) are provided on the inner side of the internal resistance frame (51), a connector (503) is integrally formed at the top end of the internal resistance frame (51), and a fire extinguishing agent cylinder (56) is provided at the top end of the plurality of internal resistance frames (51), A pump (561) is fixedly installed at the output port of the fire extinguishing agent cartridge (56), a multi-way pipe (562) is fixedly installed at the output end of the pump (561), a plurality of bellows (563) are fixedly installed on the side of the multi-way pipe (562) away from the pump (561), a connecting pipe (564) is fixedly installed on the end of the bellows (563) away from the multi-way pipe (562), and the end of the connecting pipe (564) away from the bellows (563) is fixedly installed at the top of the corresponding connector (503).

2. An electrical control cabinet according to claim 1, characterized in that: A threading hole (511) corresponding to the electrical wiring (41) is provided at the bottom of the internal resistance frame (51), a threading groove (512) is provided on one side of the threading hole (511), the threading groove (512) extends from the side away from the threading hole (511) to the side of the internal resistance frame (51), a limit plate (53) is slidably mounted in the threading groove (512), a first half flame retardant rubber ring (55) and a second half flame retardant rubber ring (551) are provided at the top of the threading hole (511), the first half flame retardant rubber ring (55) and the second half flame retardant rubber ring (551) are combined into a flame retardant rubber ring, and the electrical wiring (41) movably passes through the flame retardant rubber ring and the threading hole (511).

3. An electrical control cabinet according to claim 2, characterized in that: The first half flame retardant rubber ring (55) is fixedly mounted on one side of the top of the limiting plate (53) close to the threading hole (511), and the second half flame retardant rubber ring (551) is fixedly mounted on one side of the lower wall of the internal resistance frame (51) close to the threading hole (511).

4. An electrical control cabinet according to claim 2, characterized in that: A fixing plate (54) is fixedly mounted on one end of the plurality of limit plates (53), and the fixing plate (54) is fixedly mounted on the internal resistance frame (51) by means of screws.

5. The electrical control cabinet according to claim 1, characterized in that: A positioning block (521) is provided at the top of the mounting frame (52); the mounting frame (52) and the positioning block (521) are movably connected to the mounting cross frame (3); a clamping block (522) is fixedly installed on one side of the positioning block (521) close to the mounting frame (52); the clamping block (522) is slidably connected to the top of the mounting frame (52); a guide shaft (523) is movably inserted in the middle of the clamping block (522); the guide shaft (523) is fixedly installed on the top of the mounting frame (52); and a spring (524) is movably sleeved on the outer side of the guide shaft (523) at the top of the clamping block (522).

6. The electrical control cabinet according to claim 1, characterized in that: The outer side of the fire extinguishing agent cylinder (56) is detachably sleeved with a fixing frame (57), and the fixing frame (57) is fixedly mounted on the inner side of the control cabinet (1).

7. The electrical control cabinet according to claim 1, characterized in that: The bottom end of the control cabinet (1) is fixedly provided with a plurality of wire insertion barrels (12).