CN215009154U

CN215009154U - High-performance integrated positive-pressure explosion-proof power distribution cabinet

Info

Publication number: CN215009154U
Application number: CN202121031508.XU
Authority: CN
Inventors: 李英奇; 王志杰; 何伟璞
Original assignee: Nanyang Zhongrong Explosion Proof Electric Co ltd
Current assignee: Nanyang Zhongrong Explosion Proof Electric Co ltd
Priority date: 2021-05-14
Filing date: 2021-05-14
Publication date: 2021-12-03
Anticipated expiration: 2031-05-14

Abstract

The utility model provides a pair of explosion-proof switch board of high performance integral type malleation, the power distribution box comprises a box body, the box upside is equipped with the through-hole, fixed connection riser in the through-hole, the first magnet board of riser one side fixed connection, the box inner wall is equipped with the dovetail, sliding connection slide in the dovetail, slide one side fixed connection second magnet board, first magnet board and the heteropolar setting of second magnet board, the first hot melt silk of fixed connection between slide opposite side and the box inner wall, box inner wall upside fixed connection rectangle bucket, be equipped with the dry powder of putting out a fire in the rectangle bucket, rectangle bucket lower extreme sliding connection closure plate, slide one side fixed connection push rod, push rod and closure plate fixed connection. The utility model has the advantages that when a fire occurs in the box body, the first thermal fuse and the second thermal fuse can be sequentially broken by high temperature, and the fire extinguishing dry powder in the rectangular barrel can be sprayed to the electrical accessories in the box body from the lower side of the rectangular barrel to extinguish fire; and moreover, the warning lamp can be electrified to generate lamplight warning to remind workers to timely perform fire extinguishing treatment.

Description

High-performance integrated positive-pressure explosion-proof power distribution cabinet

Technical Field

The utility model relates to an explosion-proof switch board technical field especially relates to an explosion-proof switch board of high performance integral type malleation.

Background

The positive-pressure explosion-proof power distribution cabinet is a novel explosion-proof power distribution cabinet, mainly isolates combustible objects from an ignition source to achieve the aim of explosion prevention, and is a power distribution cabinet capable of preventing external factors from causing fire or explosion due to the failure of electrical accessories of the power distribution cabinet; however, when the switch board breaks down because of the self reason of the internal electrical fittings and causes a fire, the switch board is not protected and warned. Therefore, need one kind when the electric accessory in the switch board causes the condition of a fire because of self reason breaks down, can protect the explosion-proof switch board of malleation with the warning.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem that exists among the background art, the utility model discloses the technical scheme who takes is:

a high-performance integrated positive-pressure explosion-proof power distribution cabinet comprises a cabinet body, wherein electrical accessories are fixedly connected in the cabinet body, a through hole is formed in the upper side of the cabinet body, a vertical plate is fixedly connected in the through hole, the lower side of the vertical plate extends into the cabinet body, one side of the vertical plate extending into the cabinet body is fixedly connected with a first magnet plate, a horizontally arranged dovetail groove is formed in the upper side of the inner wall of the cabinet body, a sliding plate is in sliding connection in the dovetail groove, one side of the sliding plate is fixedly connected with a second magnet plate, the first magnet plate and the second magnet plate are arranged in different poles, the other side of the sliding plate is fixedly connected with a first hot melt wire, one end of the first hot melt wire is fixedly connected to one side of the inner wall of the cabinet body, a rectangular barrel is fixedly connected on the upper side of the inner wall of the cabinet body, fire extinguishing dry powder is arranged in the rectangular barrel, sliding grooves are formed in two sides of the lower end of the rectangular barrel, and blocking plates are jointly and slidably connected in the sliding grooves, the vertical plate is provided with a guide hole, one side of the sliding plate is fixedly connected with a push rod, and the push rod penetrates through the guide hole and is fixedly connected with one side of the blocking plate.

Preferably, the riser upside stretches out box fixed connection warning light, the riser stretches into the first circular telegram board of one side fixed connection in the box, slide one side fixed connection second circular telegram board, first circular telegram board is linked together with the warning light power supply line, second circular telegram board is linked together with warning light transmission line, first circular telegram board corresponds the setting with the second circular telegram board.

Preferably, box one side is equipped with a plurality of louvres, every all rotate through the pivot of taking the torsional spring in the louvre and connect the shrouding, every the pole that supports that the equal fixed connection level in shrouding one side set up, the board that supports of the vertical setting of slide downside fixed connection, be connected through the second hot melt silk between board downside and the box inner wall bottom side, every support the pole all with support the board butt setting.

Preferably, the rectangle bucket downside is equipped with the guide plate that four slopes set up respectively, four the guide plate uses rectangle bucket axis evenly to set up as the center, every the guide plate all through a set of jib and rectangle bucket downside fixed connection.

Preferably, two fixed plates are fixedly connected to one side of the box body, a group of threaded holes are formed in each fixed plate, and each threaded hole is internally connected with a fixed bolt in a threaded fit mode.

The utility model has the advantages that: according to the high-performance integrated positive-pressure explosion-proof power distribution cabinet, when a fire occurs in the cabinet body, the first thermal fuse and the second thermal fuse can be sequentially broken due to high temperature, so that the push rod pushes the blocking plate to be separated from the rectangular barrel, and the fire extinguishing dry powder in the rectangular barrel can be sprinkled from the lower side of the rectangular barrel to extinguish fire for electrical accessories in the cabinet body; and first circular telegram board also can take place the contact with the second circular telegram board for the light warning takes place in the warning light circular telegram, reminds the staff in time to make out a fire and handles.

Drawings

The invention and its features, aspects and advantages will become more apparent from a reading of the following detailed description of non-limiting embodiments with reference to the attached drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not intended to be drawn to scale, emphasis instead being placed upon illustrating the principles of the invention.

Fig. 1 is a schematic diagram of the basic structure of the present invention;

FIG. 2 is an enlarged view of portion E of FIG. 1;

FIG. 3 is a view of the connection between the rectangular barrel and the baffle;

fig. 4 is a connection structure diagram between the case and the fixing plate.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific examples, which should not be construed as limiting the invention.

Example 1

As shown in fig. 1-4, the utility model provides a high performance integrated positive pressure explosion-proof power distribution cabinet, including rectangular box 1, the electrical accessory 11 is fixedly connected in the box 1, the connection mode of electrical accessory 11 and box 1 is prior art, and no further description is given here; two fixed plates 9 of 1 one side fixed connection of box, all be equipped with a set of screw hole in every fixed plate 9, every group is two parallel arrangement's screw hole and constitutes, and every screw hole is downthehole equal screw-thread fit connects fixing bolt 91, changes over into fixing bolt 91 into the wall body of squeezing into again behind the screw hole, just can make box 1 fixed on the wall body.

A through hole is vertically formed in the upper side of the box body 1, a vertical plate 2 is fixedly connected in the through hole, the lower side of the vertical plate 2 extends into the box body 1, and one side, extending into the box body 1, of the vertical plate 2 is fixedly connected with a first magnet plate 21; the dovetail groove 3 that the level set up is equipped with to box 1 inner wall upside, and sliding connection slide 31 in dovetail groove 3, dovetail groove 3 can restrict the unable vertical displacement that takes place of slide 31, prevents that slide 31 from droing from dovetail groove 3. One side of the sliding plate 31 is fixedly connected with the second magnet plate 32, the first magnet plate 21 and the second magnet plate 32 are arranged in different poles, the other side of the sliding plate 31 is fixedly connected with the first thermal fuse 33, and one end of the first thermal fuse 33 is fixedly connected with one side of the inner wall of the box body 1. Under normal operating conditions, the first thermal fuse 33 can counteract the force of the opposite poles of the first magnet plate 21 and the second magnet plate 32 attracting each other, so that the first magnet plate 21 and the second magnet plate 32 do not contact each other. 1 inner wall upside fixed connection rectangle bucket 4 of box, be equipped with the dry powder 41 of putting out a fire in rectangle bucket 4, 4 lower extreme both sides of rectangle bucket all are equipped with the spout, common sliding connection closure plate 42 in two spouts, closure plate 42 can be so that the dry powder 41 of putting out a fire is sealed up and is deposited in rectangle bucket 4. Be equipped with the guiding hole on the riser 2, slide 31 one side fixed connection push rod 5, push rod 5 passes guiding hole and closure plate 42 one side fixed connection. When the electrical accessory 11 in the box 1 breaks down and a fire occurs, the temperature in the box 1 rises sharply, high temperature can make the first thermal fuse 33 be heated and broken, after the second magnet plate 32 has lost the confining force of the first thermal fuse 33, under the action force that the heteropolar looks was inhaled, the second magnet plate 32 can drive the slide plate 31 to move to the first magnet plate 21 along the dovetail groove 3, after first magnet plate 21 and the contact of the second magnet plate 32, the push rod 5 also can promote the closure plate 42 along the guiding hole, promote the separation of closure plate 42 and rectangular barrel 4, thereby make the dry powder 41 of putting out a fire in the rectangular barrel 4 can spill to the electrical accessory 11 in the box 1 from the rectangular barrel 4 downside, prevent the further expansion of the fire. The 4 downside of rectangle bucket is equipped with the guide plate 8 that four slopes set up respectively, and four guide plates 8 use 4 axes of rectangle bucket evenly to set up as the center, and every guide plate 8 all is through a set of jib 81 and 4 downside fixed connection of rectangle bucket. The 4 downside of rectangle bucket is equipped with the downward guide plate 8 that sets up of four slopes respectively, and four guide plates 8 use 4 axes of rectangle bucket evenly to set up as the center, and every guide plate 8 all is through a set of jib 81 and 4 downside fixed connection of rectangle bucket, and every group jib 81 is two, and the equal fixed connection of every group jib 81 is between guide plate 8 and 4 downside of rectangle bucket. When the dry powder 41 of putting out a fire spills from the 4 downside of rectangle bucket, the partial dry powder 41 of putting out a fire can be followed the vertical unrestrained between four guide plates 8, and the partial dry powder 41 of putting out a fire can spill to the different positions in the box 1 through the guide plate 8 of four equidirectionals to the increase is put out a fire the unrestrained area of dry powder 41, improves fire control effect.

2 upsides of riser stretch out 1 fixed connection warning light 6 of box, and riser 2 stretches into the first circular telegram board 61 of one side fixed connection in the box 1, slide 31 one side fixed connection second circular telegram board 62, and first circular telegram board 61 is linked together with the 6 power supply lines of warning light, and second circular telegram board 62 is linked together with 6 transmission lines of warning light, and first circular telegram board 61 corresponds the setting with second circular telegram board 62. After first magnet board 21 and second magnet board 32 contact, first circular telegram board 61 also can take place the contact with second circular telegram board 62 to make warning light 6 circular telegram take place the light warning, remind the staff in time to make the processing of putting out a fire.

Three heat dissipation holes 7 vertically arranged are formed in one side of the box body 1, a sealing plate 71 is rotatably connected in each heat dissipation hole 7 through a rotating shaft 70 with a torsion spring, a supporting rod 72 horizontally arranged is fixedly connected to one side of each sealing plate 71, a supporting plate 73 vertically arranged is fixedly connected to the lower side of the sliding plate 31, the lower side of the supporting plate 73 is connected with the bottom side of the inner wall of the box body 1 through a second hot melt wire 74, and each supporting rod 72 is abutted to the supporting plate 73. When the torsion spring is in a free state, the sealing plate 71 is driven to rotate toward the case 1 with the rotation shaft 70 as a reference, and the heat dissipation hole 7 is sealed. During normal operation, the abutting plate 73 can be vertically arranged in the box body 1 under the limitation of the second thermal fuse 74, and the abutting plate 73 can enable the sealing plate 71 to rotate towards the outer side of the box body 1 by taking the rotating shaft 70 as a reference through the abutting rod 72, so that the heat dissipation holes 7 are in an open state and can perform ventilation and heat dissipation; when the condition of a fire takes place in the box 1, second hot melt 74 also can be broken along with first hot melt 33 is heated, has lost the confining force of second hot melt 74, and slide 31 drives and supports board 73 and remove towards first magnet board 21 direction, supports the pole 72 and loses behind the confining force who supports board 73, under the effort of torsional spring, shrouding 71 can be towards the box 1 internal rotation to seal louvre 7, reduce in the box 1 with external air contact, avoid the further spreading of the condition of a fire of box 1.

When the box body is used, under a normal working environment, the three heat dissipation holes 7 of the box body 1 are in an open state, and the ventilation and heat dissipation effects on the interior of the box body 1 can be achieved; when the electrical accessory 11 in the box 1 breaks down and breaks down, first hot melt 33 and second hot melt 74 can be heated and broken in succession, first magnet board 21 and second magnet board 32 can take place the contact, push rod 5 can promote closure plate 42 and the separation of rectangle bucket 4, make the interior dry powder 41 of putting out a fire of rectangle bucket 4 can be unrestrained to the electrical accessory 11 in the box 1 from rectangle bucket 4 downside, prevent further the expansion of the condition of a fire, and, first circular telegram board 61 also can take place the contact with second circular telegram board 62, make warning light 6 circular telegram take place the light warning, remind the staff in time to make the processing of putting out a fire. Meanwhile, the limiting force of the second thermal fuse 74 is lost, the sliding plate 31 can drive the abutting plate 73 to move towards the direction of the first magnet plate 21, the sealing plate 71 can rotate towards the box body 1 under the acting force of the torsion spring, so that the heat dissipation holes 7 are sealed, the contact between the interior of the box body 1 and the outside air is reduced, and the further spreading of the fire condition of the box body 1 is avoided.

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 explosion-proof switch board of high performance integral type malleation, includes box (1), fixedly connected with electrical accessories (11), its characterized in that in box (1): the utility model discloses a fire extinguishing box, including box (1), riser (2), dovetail groove (3) that the level set up, slide (31) internal sliding connection slide (3), slide (31) one side fixed connection second magnet board (32), first magnet board (21) and second magnet board (32) heteropolar setting, slide (31) opposite side fixed connection first hot melt silk (33), first hot melt silk (33) one end fixed connection is in box (1) inner wall one side, box (1) inner wall upside fixed connection rectangle bucket (4), be equipped with the dry powder of putting out a fire (41) in rectangle bucket (4) in the through-hole, riser (2) downside stretches into box (1), rectangle bucket (4) lower extreme both sides all are equipped with the spout, two common sliding connection closure plate (42) in the spout, be equipped with the guiding hole on riser (2), slide (31) one side fixed connection push rod (5), push rod (5) pass guiding hole and closure plate (42) one side fixed connection.

2. The high-performance integrated positive-pressure explosion-proof power distribution cabinet according to claim 1, characterized in that: riser (2) upside stretches out box (1) fixed connection warning light (6), riser (2) stretch into the first circular telegram board of one side fixed connection (61) in box (1), slide (31) one side fixed connection second circular telegram board (62), first circular telegram board (61) is linked together with warning light (6) power supply line, second circular telegram board (62) is linked together with warning light (6) transmission line, first circular telegram board (61) corresponds the setting with second circular telegram board (62).

3. The high-performance integrated positive-pressure explosion-proof power distribution cabinet according to claim 1, characterized in that: the box (1) one side is equipped with a plurality of louvres (7), every all rotate through pivot (70) of taking the torsional spring in louvre (7) and connect shrouding (71), every shrouding (71) one side is pole (72) of supporting that the equal fixed connection level of equal fixed connection set up, slide (31) downside fixed connection is vertical to be set up support board (73), support and be connected through second hot melt silk (74) between board (73) downside and box (1) inner wall bottom side, every support pole (72) all with support board (73) butt setting.

4. The high-performance integrated positive-pressure explosion-proof power distribution cabinet according to claim 1, characterized in that: rectangle bucket (4) downside is equipped with guide plate (8) that four slopes set up respectively, four guide plate (8) use rectangle bucket (4) axis evenly to set up as the center, every guide plate (8) all through a set of jib (81) and rectangle bucket (4) downside fixed connection.

5. The high-performance integrated positive-pressure explosion-proof power distribution cabinet according to claim 1, characterized in that: two fixed plates (9) of box (1) one side fixed connection, every all be equipped with a set of screw hole in fixed plate (9), every equal screw-thread fit connection fixing bolt (91) in the screw hole.