CN216436470U

CN216436470U - Fireproof structure of electrical power distribution cabinet

Info

Publication number: CN216436470U
Application number: CN202123007525.2U
Authority: CN
Inventors: 崔焕顺; 闫方照
Original assignee: Qingdao Qingzheng Risda Electric Technology Co ltd
Current assignee: Qingdao Qingzheng Risda Electric Technology Co ltd
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-05-03
Anticipated expiration: 2031-12-02

Abstract

The utility model discloses an electrical power distribution cabinet's fire resistive construction, including the electrical apparatus cabinet body, the surface cover of electrical apparatus cabinet body is equipped with compound PLASTIC LAMINATED, gap between compound PLASTIC LAMINATED and the electrical apparatus cabinet body forms the heat insulating layer. The utility model discloses a set up the electric appliance cabinet body, compound PLASTIC LAMINATED, the heat insulation layer, louvre and sealing mechanism's use of mutually supporting, the through hole that communicates with the switch board gas outlet has mostly been seted up to the current fire prevention cover of having solved, so that the fan heat of switch board, but current fire prevention cover can not seal the through hole when taking place the conflagration, thereby make a large amount of high temperature smog or flame get into the inside of switch board, high temperature can damage the inside electrical components of switch board in a large number, make these electrical components can only scrap the processing after the conflagration, can not carry out reutilization's problem, this device has the advantage that can seal up the through hole, the loss is reduced, the practicality has been increased, better protection electrical components can.

Description

Fireproof structure of electrical power distribution cabinet

Technical Field

The utility model relates to an electric switch board technical field specifically is a fire resistive construction of electric switch board.

Background

The power distribution cabinet, the lighting power distribution cabinet and the metering cabinet are final-stage equipment of a power distribution system, the power distribution cabinet is a general name of a motor control center, the power distribution cabinet is used in occasions with dispersed loads and less loops, the motor control center is used in occasions with concentrated loads and more loops, the power distribution cabinet distributes electric energy of a certain circuit of upper-stage power distribution equipment to nearby loads, the equipment can provide protection, monitoring and control for the loads, the conventional power distribution cabinet is generally provided with a fireproof sleeve, so that the power distribution cabinet can be better protected when fire occurs, and loss is reduced.

The through hole that communicates with the switch board gas outlet is mostly seted up to current fire prevention cover, so that the fan heat of switch board, but current fire prevention cover can not seal the through hole when taking place the conflagration, thereby make a large amount of high temperature smog or flame get into the inside of switch board, the inside electrical components of switch board can be damaged in a large number to high temperature, these electrical components can only scrap the processing after making the conflagration, can not carry out the reutilization, greatly increased the loss, the practicality has been reduced, protection electrical components that can not be fine.

SUMMERY OF THE UTILITY MODEL

For solving the problem that provides among the above-mentioned background art, the utility model aims to provide a fire resistive construction of electric switch board possesses and to carry out sealed advantage to the through hole, the through hole with switch board gas outlet intercommunication has mostly been seted up to the current fire prevention cover of having solved, so that the fan heat of switch board, but current fire prevention cover can not seal the through hole when taking place the conflagration, thereby make a large amount of high temperature smog or flame get into the inside of switch board, high temperature can damage the inside electrical components of switch board in a large number, these electrical components can only scrap the processing after making the conflagration, can not carry out reutilization's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a fireproof structure of an electrical distribution cabinet comprises an electrical cabinet body, wherein a composite fireproof plate is sleeved on the surface of the electrical cabinet body, a heat insulation layer is formed in a gap between the composite fireproof plate and the electrical cabinet body, a heat dissipation hole is formed in the left side of the electrical cabinet body, a gas outlet of the heat dissipation hole penetrates through the heat insulation layer and extends to the surface of the composite fireproof plate, a sealing mechanism located at the top of the heat dissipation hole is arranged inside the heat insulation layer and comprises a sealing sleeve fixedly connected to the inner wall of the composite fireproof plate, the inner side of the sealing sleeve is fixedly connected with the electrical cabinet body, a first pressure spring is fixedly connected inside the sealing sleeve, a sealing plate is fixedly connected to the bottom of the first pressure spring and is in sliding connection with the sealing sleeve, a clamping groove extending to the inside of the composite fireproof plate is formed in the left side of the inner wall of the sealing sleeve, a second pressure spring is fixedly connected inside the clamping groove, the right side fixedly connected with stopper of second pressure spring, the material of stopper is the low melting point alloy, the spacing groove has been seted up in the left side of closing plate, stopper and spacing groove joint, the seal groove that is located the louvre bottom is seted up to the inside on heat insulating layer.

As the utility model discloses it is preferred, compound PLASTIC LAMINATED establishes the magnesium oxychloride PLASTIC LAMINATED on electrical apparatus cabinet body surface including the cover, the surface cover of magnesium oxychloride PLASTIC LAMINATED is equipped with the cotton flame retardant coating of glass, the surface cover of the cotton flame retardant coating of glass is equipped with the gypsum flame retardant coating, the surface cover of gypsum flame retardant coating is equipped with the pearlite flame retardant coating.

As the utility model discloses it is preferred, the right side of electrical cabinet body and compound PLASTIC LAMINATED all articulates there is the door that opens and shuts, all laminate through sealing layer and electrical cabinet body and compound PLASTIC LAMINATED all around of door that opens and shuts.

As the utility model discloses it is preferred, the inside fixedly connected with on heat insulating layer is located two heat protection layers between the door that open and shut, the left side and the electrical cabinet body fixed connection of heat protection layer, the right side and the compound PLASTIC LAMINATED fixed connection of heat protection layer.

As the utility model discloses it is preferred, the fixed surface of electrical apparatus cabinet body is connected with and is located the inside heat-absorbing pipe in heat-insulating layer, the inside coolant liquid that has filled of heat-absorbing pipe.

As the utility model discloses preferred, the inside fixedly connected with filter screen of louvre gas outlet.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up the electric appliance cabinet body, compound PLASTIC LAMINATED, the heat insulation layer, louvre and sealing mechanism's use of mutually supporting, the through hole that communicates with the switch board gas outlet has mostly been seted up to current fire prevention cover, so that the fan heat of switch board, but current fire prevention cover can not seal the through hole when taking place the conflagration, thereby make a large amount of high temperature smog or flame get into the inside of switch board, high temperature can damage the inside electrical components of switch board in a large number, make these electrical components can only scrap the processing after the conflagration, can not carry out reutilization's problem, this device has the advantage that can seal up the through hole, the loss has been reduced, the practicality has been increased, better protection electrical components of ability.

2. The utility model discloses a set up compound PLASTIC LAMINATED and make this device have better fire behavior, compare in ordinary fire proof board, compound PLASTIC LAMINATED can be better prevent the injury that flame caused the electrical apparatus cabinet body.

3. The utility model discloses a set up the door that opens and shuts and make this device have the advantage of convenient maintenance, it is convenient to electrical components's maintenance in the daily use to have guaranteed, reduced maintainer's work load, greatly increased work efficiency.

4. The utility model discloses a set up the heat protection layer and make this device have thermal-insulated and connect two advantages that open and shut the door, high temperature makes it can open and shut in step in daily use through connecting two doors that open and shut through the heat protection layer to electrical components's injury when having reduced the conflagration breaing out.

5. The utility model discloses a set up the heat-absorbing pipe and make this device have the inside thermal advantage of absorption heat insulation layer, accessible coolant liquid absorbs the inside heat in heat insulation layer when the conflagration breaing out, reduces the inside temperature in heat insulation layer as far as possible, the reinforcing is to electrical components's protection.

6. The utility model discloses a set up the filter screen and make this device have dirt-proof advantage, prevent that the dust from getting into the inside of electrical cabinet body from the louvre in daily use to influence electrical components's normal use, protect electrical components's life.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection between the sealing mechanism and the thermal insulation layer according to the present invention;

FIG. 3 is an enlarged view of A in FIG. 2 according to the present invention;

fig. 4 is an enlarged view of B in fig. 2 according to the present invention.

In the figure: 1. an electrical cabinet body; 2. a composite fire-proof plate; 21. magnesium oxychloride fire-proof board; 22. a glass wool fire-proof layer; 23. a gypsum fire barrier layer; 24. a perlite fireproof layer; 3. a thermal insulation layer; 4. heat dissipation holes; 5. a sealing mechanism; 51. sealing sleeves; 52. a first pressure spring; 53. a sealing plate; 54. a clamping groove; 55. a second pressure spring; 56. a limiting block; 57. a limiting groove; 58. a sealing groove; 6. opening and closing the door; 7. a heat shield layer; 8. a heat absorbing tube; 9. and (4) a filter screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 4, a fireproof structure of an electrical distribution cabinet comprises an electrical cabinet body 1, a composite fireproof plate 2 is sleeved on the surface of the electrical cabinet body 1, a heat insulation layer 3 is formed by a gap between the composite fireproof plate 2 and the electrical cabinet body 1, a heat dissipation hole 4 is formed in the left side of the electrical cabinet body 1, an air outlet of the heat dissipation hole 4 penetrates through the heat insulation layer 3 and extends to the surface of the composite fireproof plate 2, a sealing mechanism 5 located at the top of the heat dissipation hole 4 is arranged inside the heat insulation layer 3, the sealing mechanism 5 comprises a sealing sleeve 51 fixedly connected to the inner wall of the composite fireproof plate 2, the inner side of the sealing sleeve 51 is fixedly connected with the electrical cabinet body 1, a first pressure spring 52 is fixedly connected inside the sealing sleeve 51, a sealing plate 53 is fixedly connected to the bottom of the first pressure spring 52, the sealing plate 53 is slidably connected with the sealing sleeve 51, a clamping groove 54 extending to the inside of the composite fireproof plate 2 is formed in the left side of the inner wall of the sealing sleeve 51, the inside fixedly connected with second pressure spring 55 of joint groove 54, the right side fixedly connected with stopper 56 of second pressure spring 55, the material of stopper 56 is the low melting point alloy, and spacing groove 57 has been seted up on the left side of closing plate 53, stopper 56 and spacing groove 57 joint, and the seal groove 58 that is located louvre 4 bottom is seted up to the inside on thermal-insulated layer 3.

Referring to fig. 1, fig. 2 and fig. 3, the composite fire-proof plate 2 includes a magnesium oxychloride fire-proof plate 21 sleeved on the surface of the electrical cabinet body 1, the surface of the magnesium oxychloride fire-proof plate 21 is sleeved with a glass wool fire-proof layer 22, the surface of the glass wool fire-proof layer 22 is sleeved with a gypsum fire-proof layer 23, and the surface of the gypsum fire-proof layer 23 is sleeved with a perlite fire-proof layer 24.

As a technical optimization scheme of the utility model, make this device have better fire behavior through setting up compound PLASTIC LAMINATED 2, compare in ordinary fire proof board, compound PLASTIC LAMINATED 2 can be better prevent the injury that flame caused to electrical cabinet body 1.

Referring to fig. 1, the right sides of the electric appliance cabinet body 1 and the composite fireproof plate 2 are both hinged with an opening and closing door 6, and the periphery of the opening and closing door 6 is attached to the electric appliance cabinet body 1 and the composite fireproof plate 2 through sealing layers.

As the utility model discloses a technical optimization scheme makes this device have the advantage of convenient maintenance through setting up opening and closing door 6, has guaranteed that it is convenient to electrical components's maintenance in the daily use, has reduced maintainer's work load, greatly increased work efficiency.

Referring to fig. 1, a heat-proof layer 7 located between two opening and closing doors 6 is fixedly connected inside the heat-insulating layer 3, the left side of the heat-proof layer 7 is fixedly connected with the electrical cabinet body 1, and the right side of the heat-proof layer 7 is fixedly connected with the composite fire-proof plate 2.

As a technical optimization scheme, make this device have thermal-insulated and connect two advantage that open and shut door 6 through setting up heat-proof layer 7, high temperature makes it can open and shut in step in daily use to electrical components's injury when having reduced the conflagration breaing out through heat-proof layer 7 connection two door 6 that open and shut.

Referring to fig. 1, a heat absorbing pipe 8 located inside the thermal insulation layer 3 is fixedly connected to the surface of the electrical cabinet body 1, and a cooling liquid is filled inside the heat absorbing pipe 8.

As a technical optimization scheme of the utility model, make this device have the inside thermal advantage of absorption heat insulating layer 3 through setting up heat absorption pipe 8, accessible coolant liquid absorbs the inside heat of heat insulating layer 3 when the conflagration breaing out, reduces the inside temperature of heat insulating layer 3 as far as possible, strengthens electrical components's protection.

Referring to fig. 1, a filter screen 9 is fixedly connected to the inside of the air outlet of the heat dissipation hole 4.

As the utility model discloses a technical optimization scheme makes this device have dirt-proof advantage through setting up filter screen 9, prevents the dust from getting into the inside of electrical cabinet body 1 from louvre 4 in daily use to influence electrical components's normal use, protect electrical components's life.

The utility model discloses a theory of operation and use flow: when a fire disaster happens, the composite fireproof plate 2 isolates flame from the electrical cabinet body 1 to prevent the flame from damaging electrical elements inside the electrical cabinet body 1, the temperature of the composite fireproof plate 2 is raised by roasting the composite fireproof plate 2 with the flame, the composite fireproof plate 2 transmits heat to the limiting block 56, the limiting block 56 begins to soften and melt when being heated, the limiting block 56 can lower the limit of the sealing plate 53 when being melted, the force is downwards applied to the sealing plate 53 through the resilience of the first pressure spring 52, and when the limiting block 56 is melted to lose the limiting effect, the sealing plate 53 is driven to downwards move and be clamped inside the sealing groove 58 through the resilience of the first pressure spring 52, so that the through hole is sealed.

In summary, the following steps: this fire resistive construction of electric power distribution cabinet, through setting up electric appliance cabinet body 1, compound PLASTIC LAMINATED 2, thermal-insulated layer 3, louvre 4 and sealing mechanism 5 mutually support and use, the through hole with switch board gas outlet intercommunication has been seted up mostly to the current fire prevention cover of having solved, so that the fan heat of switch board, but current fire prevention cover can not seal the through hole when taking place the conflagration, thereby make a large amount of high temperature smog or flame get into the inside of switch board, high temperature can damage the electrical components of switch board inside in a large number, make these electrical components can only scrap the processing after the conflagration, can not carry out reutilization's problem.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electrical distribution cabinet's fire resistive construction, includes electrical cabinet body (1), its characterized in that: the surface cover of electrical apparatus cabinet body (1) is equipped with compound PLASTIC LAMINATED (2), gap between compound PLASTIC LAMINATED (2) and the electrical apparatus cabinet body (1) forms thermal-insulated layer (3), louvre (4) have been seted up in the left side of electrical apparatus cabinet body (1), the gas outlet of louvre (4) passes thermal-insulated layer (3) and extends to the surface of compound PLASTIC LAMINATED (2), the inside of thermal-insulated layer (3) is provided with sealing mechanism (5) that are located louvre (4) top, sealing mechanism (5) are including seal cover (51) of fixed connection at compound PLASTIC LAMINATED (2) inner wall, the inboard and electrical apparatus cabinet body (1) fixed connection of seal cover (51), the inside fixedly connected with first pressure spring (52) of seal cover (51), the bottom fixedly connected with closing plate (53) of first pressure spring (52), closing plate (53) and seal cover (51) sliding connection, joint groove (54) that extend to compound PLASTIC LAMINATED (2) inside are seted up in the left side of seal cover (51) inner wall, the inside fixedly connected with second pressure spring (55) of joint groove (54), the right side fixedly connected with stopper (56) of second pressure spring (55), the material of stopper (56) is the low melting alloy, spacing groove (57) have been seted up in the left side of closing plate (53), stopper (56) and spacing groove (57) joint, seal groove (58) that are located louvre (4) bottom are seted up to the inside on heat insulating layer (3).

2. Fire protection architecture for an electrical distribution cabinet according to claim 1, characterized in that: compound PLASTIC LAMINATED (2) establish magnesium oxychloride PLASTIC LAMINATED (21) on electrical apparatus cabinet body (1) surface including the cover, the surface cover of magnesium oxychloride PLASTIC LAMINATED (21) is equipped with cotton flame retardant coating of glass (22), the surface cover of the cotton flame retardant coating of glass (22) is equipped with gypsum flame retardant coating (23), the surface cover of gypsum flame retardant coating (23) is equipped with pearlite flame retardant coating (24).

3. Fire protection architecture for an electrical distribution cabinet according to claim 1, characterized in that: the right sides of the electric appliance cabinet body (1) and the composite fireproof plate (2) are hinged with an opening and closing door (6), and the periphery of the opening and closing door (6) is attached to the electric appliance cabinet body (1) and the composite fireproof plate (2) through sealing layers.

4. Fire protection architecture for electrical distribution cabinets according to claim 3, characterized in that: the interior of the heat insulation layer (3) is fixedly connected with a heat-proof layer (7) positioned between the two opening and closing doors (6), the left side of the heat-proof layer (7) is fixedly connected with the electric appliance cabinet body (1), and the right side of the heat-proof layer (7) is fixedly connected with the composite fireproof plate (2).

5. Fire protection architecture for electrical distribution cabinets according to claim 1, characterized in that: the surface of the electric appliance cabinet body (1) is fixedly connected with a heat absorption pipe (8) positioned in the heat insulation layer (3), and cooling liquid is filled in the heat absorption pipe (8).

6. Fire protection architecture for an electrical distribution cabinet according to claim 1, characterized in that: and a filter screen (9) is fixedly connected inside the air outlet of the heat dissipation hole (4).