CN212210028U

CN212210028U - Low-voltage switchgear with fire prevention function

Info

Publication number: CN212210028U
Application number: CN201921993302.8U
Authority: CN
Inventors: 孙慧
Original assignee: Dezhou Dongkong Automation Equipment Co ltd
Current assignee: Dezhou Dongkong Automation Equipment Co ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-12-22
Anticipated expiration: 2029-11-19

Abstract

The utility model discloses a low-voltage switchgear with fire prevention function, including the outer sleeve, the inside of outer sleeve is provided with low voltage distributor board, the inner wall of low voltage distributor board and the outer wall fixed connection of the rectangle lantern ring. This low-voltage switchgear with fire prevention function, continuously give the atress that separates a fire half sleeve outside sleeve center removal through the extension spring, and separate fire half sleeve support location to it through the slip supporting shoe, catch fire on the low-voltage distributor board, reach certain temperature after, melt its fuse, make its slip supporting shoe not receiving behind the fixed constraining force, drive the outside displacement of the outside sleeve of slip supporting shoe, make its slip supporting shoe no longer carry out spacing support to separating fire half sleeve, thereby the extension spring drives two and separates fire half sleeves and carry out automatic butt joint to its low-voltage distributor board and seal, make its voltage switch cabinet under the condition that the very first time that catches fire nobody finds, the inside fire source of low-voltage distributor board of automatic isolation.

Description

Low-voltage switchgear with fire prevention function

Technical Field

The utility model relates to a low-voltage switchgear technical field specifically is a low-voltage switchgear with fire prevention function.

Background

The low-voltage switch cabinet is a distributor control cabinet for power transmission, power distribution and electric energy conversion, can meet the requirement that each electric appliance element is reliably fixed at a determined position in a cabinet body, the appearance of the cabinet body is generally cubic, such as a screen type, a box type and the like, and a prismatic table body such as a table type and the like is also provided, so that the voltage of various required forms when people use electric energy is greatly solved, and convenience is provided for people. At present, the existing low-voltage switch cabinet is generally set to meet the fixed conditions of electrical elements and equipment for protecting the electrical elements, but the phenomena of aging and the like which are easy to catch fire can occur in the use process of the electrical elements, so that fire easily spreads under the condition that no person finds the electrical elements at the first time, automatic fire extinguishing equipment is not set in a targeted manner, and inestimable loss is brought to large-scale enterprises.

Disclosure of Invention

Technical problem to be solved

The utility model provides a be not enough to prior art, the utility model provides a low-voltage switchgear with fire prevention function has solved current low-voltage switchgear and has not had corresponding automatic fire extinguishing equipment that sets up, under the condition that nobody found the very first time, causes the problem that big fire stretchs easily.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a low-voltage switch cabinet with a fireproof function comprises an outer sleeve, wherein a low-voltage distributor board is arranged inside the outer sleeve, the inner wall of the low-voltage distributor board is fixedly connected with the outer wall of a rectangular sleeve ring, the inner wall of the rectangular sleeve ring is sleeved with the surface of the low-voltage distributor board, the back surface of the outer sleeve is fixedly provided with a rotary door, the top and the bottom of the low-voltage distributor board are fixedly connected with fixed blocks, one sides of the two fixed blocks, far away from the low-voltage distributor board, are fixedly connected with a circular base plate, the top and the bottom of the outer sleeve are provided with annular openings, fire-isolating half sleeves are inserted into annular grooves between the top and the bottom of the outer sleeve and the circular base plate, the surfaces of the fire-isolating half sleeves are in sliding contact with the outer sleeve, stress blocks are fixedly connected to two sides of the outer sleeve, one sides of the stress blocks, the two sides of the fire-proof semi-sleeve are fixedly connected with convex pulling blocks, the two sides of the outer sleeve are respectively and fixedly connected with four pulling blocks, a tension spring is fixedly connected between the surface of each convex pulling block and each pulling block, the two sides of the outer sleeve are respectively inserted with four sliding support blocks, the surface of each sliding support block is in sliding connection with the inner wall of the outer sleeve, the surface of each sliding support block is in extrusion contact with the fire-proof semi-sleeve and a bead close to the center of a low-voltage distributor plate, one side of each sliding support block, which is positioned outside the outer sleeve, is fixedly connected with a pulling plate, the sliding support blocks, which are positioned outside the outer sleeve, are sleeved with compression springs, the two ends of each compression spring are respectively and fixedly connected with the outer surface of the outer sleeve and the side surface of the pulling plate, the two sides of the low-voltage distributor plate are respectively, the sliding support block is located in the front and the back of the outer sleeve and is fixedly connected with a driving block, one side of the driving block, which is close to the low-voltage distributor board, is fixedly connected with a fuse, and the other end of the fuse is fixedly connected with the inner wall of the low-voltage distributor board.

Preferably, the bottoms of the two support frames are fixedly connected with the top of the stress balance plate.

Preferably, the four pulling blocks are respectively and symmetrically distributed at the center of the outer sleeve in the vertical and left-right directions.

Preferably, the four sliding support blocks are respectively and symmetrically distributed at the center of the outer sleeve in the vertical and left-right directions.

Preferably, two sides of the low-voltage distributor board are respectively provided with four supporting stress blocks used in cooperation with the sliding support blocks, and the surfaces of the supporting stress blocks are in contact with the surfaces of the sliding support blocks.

(III) advantageous effects

The utility model provides a low-voltage switchgear with fire prevention function. The method has the following beneficial effects:

(1) the low-voltage switch cabinet with the fireproof function has the advantages that through the arrangement of the outer sleeve, the matching use of the rectangular sleeve ring, the fixed block, the circular base plate, the fire-insulating semi-sleeve, the stress block, the support frame, the convex pull block, the tension spring, the sliding support block, the pull plate, the compression spring, the driving block and the fuse, the stress of the tension spring continuously moving the fire-insulating semi-sleeve towards the center of the outer sleeve is exerted, the sliding support block supports and positions the fire-insulating semi-sleeve, when the low-voltage distributor board catches fire and reaches a certain temperature, the fuse is melted, the sliding support block is not subjected to a fixed constraint force, the elastic acting force of the compression spring drives the sliding support block to move towards the outer side of the outer sleeve, the sliding support block does not carry out limiting support on the fire-insulating semi-sleeve any more, and the tension spring drives the two fire-insulating semi-sleeves to carry out automatic butt joint and sealing on the low-, the voltage switch cabinet can automatically isolate the fire source in the low-voltage distributor board under the condition that no person finds the voltage switch cabinet in the first time of firing, and the principle that oxygen is needed by combustion is utilized, so that the aim of avoiding the spread of fire is fulfilled.

Drawings

FIG. 1 is a front internal view of the structure of the present invention;

FIG. 2 is an enlarged schematic view of the point A of the structure of FIG. 1 of the present invention;

FIG. 3 is an enlarged schematic view of the point B in the structure of FIG. 1 of the present invention;

fig. 4 is an enlarged schematic view of the point C in the structure diagram of fig. 2 of the present invention;

fig. 5 is an enlarged schematic view of the position D in the structure diagram of fig. 4 of the present invention.

In the figure: 1. an outer sleeve; 2. a low voltage distributor board; 3. a rectangular collar; 4. opening the door in a rotating way; 5. a fixed block; 6. a circular base plate; 7. a fire-proof half sleeve; 8. a stress block; 9. a support frame; 10. a stress balance plate; 11. a protruding pulling block; 12. pulling the block; 13. a tension spring; 14. a sliding support block; 15. pulling a plate; 16. a compression spring; 17. driving the block; 18. a fuse; 19. and supporting the stress block.

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. 1-5, the utility model provides a technical solution: a low-voltage switch cabinet with a fireproof function comprises an outer sleeve 1, a low-voltage distributor board 2 is arranged inside the outer sleeve 1, the inner wall of the low-voltage distributor board 2 is fixedly connected with the outer wall of a rectangular lantern ring 3, the inner wall of the rectangular lantern ring 3 is fixedly sleeved with the surface of the low-voltage distributor board 2, the effect of fixing the low-voltage distributor board 2 is achieved through the arrangement of the rectangular lantern ring 3, a rotary door 4 is fixedly installed on the back surface of the outer sleeve 1, fixing blocks 5 are fixedly connected to the top and the bottom of the low-voltage distributor board 2, a circular base plate 6 is fixedly connected to one side, far away from the low-voltage distributor board 2, of each fixing block 5, annular openings are formed in the top and the bottom of the outer sleeve 1, a fire-isolating half sleeve 7 is inserted into an annular groove between the top and the bottom of the outer sleeve 1 and the circular base plate 6, the two sides of the outer sleeve 1 are fixedly connected with stress blocks 8, one side of each stress block 8, which is far away from the low-voltage distributor board 2, is fixedly connected with a support frame 9, the bottoms of the two support frames 9 are fixedly connected with the top of a stress balance board 10, the arrangement of the support frames 9 and the stress balance board 10 can achieve the effect of stabilizing equipment inside the outer sleeve 1, the two sides of the fire-insulating semi-sleeve 7 are fixedly connected with convex pull blocks 11, the two sides of the outer sleeve 1 are respectively and fixedly connected with four pull blocks 12, the four pull blocks 12 are respectively and symmetrically distributed up and down and left and right at the center of the outer sleeve 1, tension springs 13 are fixedly connected between the surfaces of the convex pull blocks 11 and the pull blocks 12, the two sides of the outer sleeve 1 are respectively inserted with four sliding support blocks 14, the four sliding support blocks 14 are respectively and symmetrically distributed up and down at the center of the outer sleeve 1, and the surfaces of the sliding, the surface of the sliding support block 14 is in extrusion contact with the fire-proof half sleeve 7 and the edge close to the center of the low-voltage distributor plate 2, one side of the sliding support block 14, which is positioned outside the outer sleeve 1, is fixedly connected with a pulling plate 15, the sliding support block 14, which is positioned outside the outer sleeve 1, is sleeved with a compression spring 16, two ends of the compression spring 16 are respectively and fixedly connected with the outer surface of the outer sleeve 1 and the side surface of the pulling plate 15, two sides of the low-voltage distributor plate 2 are respectively provided with a groove matched with the sliding support block 14 for use, the end of the sliding support block 14 is inserted into the groove formed in the low-voltage distributor plate 2, the front surface and the back surface of the sliding support block 14, which are positioned inside the outer sleeve 1, are respectively and fixedly connected with a driving block 17, one side of the driving block 17, which is close to the low-voltage distributor plate 2, is fixedly connected with a fuse 18, the other, the surface of the support stress block 19 is in contact with the surface of the sliding support block 14, and the effect of increasing the stability of the sliding support block 14 is achieved by the arrangement of the support stress block 19.

When the low-voltage distributor board 2 is on fire, certain high temperature is formed inside the outer sleeve 1, so that the low-voltage distributor board 2 and a fuse connected to the sliding support block 14 are melted, the sliding support block 14 is driven to move towards the outer side of the outer sleeve 1 due to the elastic acting force of the compression spring 16, the sliding support block 14 does not limit and support the fire isolating half sleeve 7, meanwhile, the tension spring 13 continuously exerts an acting force towards the inner side of the fire isolating half sleeve 7, so that the two fire isolating half sleeves 7 are driven to move towards the center of the low-voltage distributor board 2, the low-voltage distributor board 2 is firmly sleeved inside the two fire isolating half sleeves 7, a fire source inside the low-voltage distributor board 2 is isolated, and the spreading of a fire is avoided, and the content which is not described in detail in the specification belongs to the prior art known by a person skilled in the art.

To sum up, the low-voltage switch cabinet with the fireproof function has the advantages that through the arrangement of the outer sleeve 1 and the matching use of the rectangular lantern ring 3, the fixed block 5, the circular base plate 6, the fire-isolating semi-sleeve 7, the stress block 8, the support frame 9, the convex pull block 11, the pull block 12, the tension spring 13, the sliding support block 14, the pull plate 15, the compression spring 16, the driving block 17 and the fuse 18, the stress of continuously moving the fire-isolating semi-sleeve 7 towards the center of the outer sleeve 1 by using the tension spring 13 is achieved, the fire-isolating semi-sleeve 7 is supported and positioned by the sliding support block 14, when the low-voltage distributor plate 2 catches fire, the fuse 18 is melted after a certain temperature is reached, the sliding support block 14 is not subjected to a fixed constraint force, the elastic acting force of the compression spring 16 is used for driving the sliding support block 14 to displace towards the outer side of the outer sleeve 1, and the sliding support block 14 does not carry out limiting support on the fire-isolating, thereby extension spring 13 drives two and separates half sleeves 7 of fire and carry out automatic butt joint to its low voltage distributor board 2 and seal, makes its voltage switch cabinet under the condition that the very first time on fire was not surveyed by someone, and the inside burning source of a fire of isolated low voltage distributor board 2 automatically to and utilize the principle that the burning needs oxygen, thereby reached and avoided spreading of big fire.

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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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. A low-voltage switchgear with fire-protection function, comprising an outer sleeve (1), characterized in that: the inner part of the outer sleeve (1) is provided with a low-voltage distributor plate (2), the inner wall of the low-voltage distributor plate (2) is fixedly connected with the outer wall of a rectangular lantern ring (3), the inner wall of the rectangular lantern ring (3) is fixedly sleeved with the surface of the low-voltage distributor plate (2), the back of the outer sleeve (1) is fixedly provided with a rotary opening door (4), the top and the bottom of the low-voltage distributor plate (2) are fixedly connected with fixing blocks (5), one side of each of the two fixing blocks (5) far away from the low-voltage distributor plate (2) is fixedly connected with a circular base plate (6), the top and the bottom of the outer sleeve (1) are respectively provided with an annular opening, annular grooves between the top and the bottom of the outer sleeve (1) and the circular base plate (6) are respectively inserted with a fire isolating half sleeve (7), and the surface of the fire isolating half sleeve (7) is in sliding contact with, the power distribution device is characterized in that stress blocks (8) are fixedly connected to two sides of the outer sleeve (1), one side, far away from the low-voltage distributor board (2), of each stress block (8) is fixedly connected with a support frame (9), two sides of the fire-insulating semi-sleeve (7) are fixedly connected with protruding pulling blocks (11), two sides of the outer sleeve (1) are respectively fixedly connected with four pulling blocks (12), tension springs (13) are fixedly connected between the surfaces of the protruding pulling blocks (11) and the pulling blocks (12), four sliding support blocks (14) are respectively inserted into two sides of the outer sleeve (1), the surfaces of the sliding support blocks (14) are slidably connected with the inner wall of the outer sleeve (1), the surfaces of the sliding support blocks (14) are in pressing contact with the fire-insulating semi-sleeve (7) and the edge openings close to the center of the low-voltage distributor board (2), one side, located outside the outer sleeve (1), of each sliding support block (14) is fixedly connected with a, the utility model discloses a low-voltage distributor board, including outer sleeve (1), slip supporting shoe (14), compression spring (16), the both ends of compression spring (16) are located outer sleeve (1) outside surface cover respectively with the surface of outer sleeve (1) and the side fixed connection of arm-tie (15), the recess that cooperation slip supporting shoe (14) used is all seted up to the both sides of low-voltage distributor board (2), the end of slip supporting shoe (14) inserts in the recess that low-voltage distributor board (2) were seted up, slip supporting shoe (14) are located the equal fixedly connected with in front and the back of outer sleeve (1) inside and drive piece (17), one side fixedly connected with fuse (18) that drive piece (17) are close to low-voltage distributor board (2), the other end of fuse (18) and the inner wall fixed connection of low-voltage distributor board (2).

2. The low-voltage switch cabinet with the fireproof function according to claim 1, wherein: the bottoms of the two support frames (9) are fixedly connected with the top of the stress balance plate (10).

3. The low-voltage switch cabinet with the fireproof function according to claim 1, wherein: the four pulling blocks (12) are respectively distributed in the center of the outer sleeve (1) in a vertical and left-right symmetrical manner.

4. The low-voltage switch cabinet with the fireproof function according to claim 1, wherein: the four sliding supporting blocks (14) are respectively distributed in a vertical and horizontal symmetrical mode at the center of the outer sleeve (1).

5. The low-voltage switch cabinet with the fireproof function according to claim 1, wherein: two sides of the low-voltage distributor plate (2) are respectively provided with four supporting stress blocks (19) matched with the sliding supporting blocks (14) for use, and the surfaces of the supporting stress blocks (19) are in contact with the surfaces of the sliding supporting blocks (14).