CN216055921U

CN216055921U - Safety distribution box

Info

Publication number: CN216055921U
Application number: CN202121648262.0U
Authority: CN
Inventors: 周智超; 谢宙鹏; 孙超; 翁振克
Original assignee: SHANGHAI BAOLIN EXPLOSIONPROOF ELECTRIC CO Ltd
Current assignee: SHANGHAI BAOLIN EXPLOSIONPROOF ELECTRIC CO Ltd
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2022-03-15
Anticipated expiration: 2031-07-20

Abstract

The utility model discloses a safety distribution box, which relates to the field of distribution boxes and comprises a distribution box body, wherein the bottom of the distribution box body is provided with an air inlet, a heat dissipation fan is arranged close to a lower port of the air inlet, the bottom of an inner cavity of the distribution box body is provided with an air guide device, and the top of the distribution box body is partitioned into control rooms through a welding partition plate. When the high temperature that first thermodetector detected, the telescopic link through control electromagnetism extensible member is flexible, pulls the gangbar through the push-and-pull rod to order about the multi-disc air guide fan leaf and deflect simultaneously, the position that the first thermodetector of wind direction that blows in with radiator fan detects, when the high temperature that second thermodetector detected, the operation is the same, can fix a point the heat dissipation, improves the radiating effect.

Description

Safety distribution box

Technical Field

The utility model relates to the field of distribution boxes, in particular to a safety distribution box.

Background

The block terminal is one kind of power apparatus, and current block terminal is in the in-process that uses, and inside electrical components can produce a large amount of heats in the in-process that uses, and too high heat causes the fire hidden danger easily. Most of the existing power distribution boxes are used for radiating heat through simple ventilation openings, the heat radiating performance is poor, heat concentration areas are distributed differently due to different installation positions and working powers of electrical components, the existing distribution boxes cannot radiate heat in a targeted manner aiming at high-temperature areas inside the boxes, and electrical appliances inside the distribution boxes still easily break down; meanwhile, in order to avoid the fire situation of the distribution box caused by accidents, a safe and effective fire-proof device is required.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a safety distribution box to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a security block terminal, includes the distribution box body, the air intake has been seted up to distribution box body bottom, and hug closely under the air intake port and be equipped with radiator fan, and radiator fan passes through the bolt fastening in distribution box body bottom, distribution box body's both sides are equipped with radiator grille, distribution box body top has the control room through the partition of welding, and the inside control box that is equipped with of control room, two inside walls of distribution box body are equipped with first thermodetector and second thermodetector respectively, distribution box body cavity bottom is equipped with air ducting, the inside dry ice holding vessel that is equipped with of control room, the jet-propelled end of dry ice holding vessel are connected with the solenoid valve, and there is the nozzle solenoid valve through pipe connection, and the data line that passes through of solenoid valve and control box electric connection, distribution box body cavity top just is located a plurality of nozzle below and is equipped with air deflector group.

Preferably, the air inlet opening part is provided with a first dustproof filter screen, and the inner side of the heat dissipation grid is provided with a second dustproof filter screen.

Preferably, the air guide device comprises a plurality of air guide fan blades which are connected with the inside of the distribution box body in a switching mode through a rotating shaft, the plurality of air guide fan blades are horizontally and transversely arrayed, the upper ends of the plurality of air guide fan blades are hinged with a linkage rod simultaneously, an electromagnetic telescopic piece is arranged at the bottom of the inner side wall of the distribution box body, a telescopic rod of the electromagnetic telescopic piece extends in the horizontal direction, and the end portion of the telescopic rod of the electromagnetic telescopic piece is connected with one end of the linkage rod through a push-pull rod.

Preferably, a plurality of nozzles are fixed below the partition plate at the top of the distribution box body and communicated with each other through air guide pipes.

Preferably, the air guide plate group is formed by a plurality of air guide plates which are horizontally and transversely arranged and welded on the inner wall of the power distribution box body, and the plurality of air guide plates are obliquely arranged along two sides for guiding air.

The utility model has the technical effects and advantages that:

1. when the temperature detected by the first temperature detector is too high, the telescopic rod of the electromagnetic telescopic piece is controlled to stretch, the linkage rod is pulled through the push-pull rod, so that the multiple fan guide blades are driven to deflect simultaneously, the wind direction blown by the cooling fan is guided to the position detected by the first temperature detector, and when the temperature detected by the second temperature detector is too high, the operation is the same, the fixed-point cooling can be realized, and the cooling effect is improved;

2. when the inside electrical element of distribution box takes place to catch fire, control box control solenoid valve is opened, the inside dry ice of storing of dry ice holding vessel passes through the air duct and is by a plurality of nozzles toward the inside spraying dry ice of distribution box, discharge the inside oxygen of distribution box rapidly, simultaneously under air guide of air guide plate group, can spread nozzle spun dry ice to the inside both sides of distribution box more extensive, reach the effect that reaches fast putting out a fire with the inner chamber that dry ice covers full of distribution box.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a front sectional view 1 of the structure of the present invention.

Fig. 3 is a front sectional view 2 of the structure of the present invention.

In the figure: 1. a distribution box body; 101. a control room; 102. a heat dissipation grid; 1021. a second dust-proof filter screen; 103. an air inlet; 2. a heat radiation fan; 3. an air guide device; 301. a fan blade; 302. a linkage rod; 4. an electromagnetic telescopic member; 401. a push-pull rod; 5. a first temperature detector; 501. a second temperature detector; 6. a dry ice storage tank; 601. an electromagnetic valve; 7. a nozzle; 8. a control box; 9. an air deflector group.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a safety distribution box as shown in figures 1-3, which comprises a distribution box body 1, wherein the bottom of the distribution box body 1 is provided with an air inlet 103, a heat dissipation fan 2 is arranged close to the lower port of the air inlet 103, the heat dissipation fan 2 is fixed at the bottom of the distribution box body 1 through bolts, two sides of the distribution box body 1 are provided with heat dissipation grids 102, the heat dissipation fan 2 is used for blowing air inside the distribution box body 1, finally, heat generated by the work of electric elements inside the distribution box body 1 is discharged along the heat dissipation grids 102, the opening of the air inlet 103 is provided with a first dustproof filter screen, and the inner side of the heat dissipation grids 102 is provided with a second dustproof filter screen 1021, so that external impurities are prevented from entering the electric elements polluting the inside of the distribution box body 1.

The top of the distribution box body 1 is separated by a welding clapboard to form a control chamber 101, a control box 8 is arranged in the control chamber 101, two inner side walls of the distribution box body 1 are respectively provided with a first temperature detector 5 and a second temperature detector 501, the bottom of the inner cavity of the distribution box body 1 is provided with an air guide device 3, the air guide device 3 comprises a plurality of air guide fan blades 301 which are connected with the inside of the distribution box body 1 through rotating shafts, the plurality of air guide fan blades 301 are horizontally arrayed, the upper ends of the plurality of air guide fan blades 301 are simultaneously hinged with a linkage rod 302, the bottom of the inner side wall of the distribution box body 1 is provided with an electromagnetic expansion piece 4, a telescopic rod of the electromagnetic expansion piece 4 extends along the horizontal direction, the end part of the telescopic rod of the electromagnetic expansion piece 4 is connected with one end of the linkage rod 302 through a push-pull rod 401, the first temperature detector 5 and the second temperature detector 501 detect the temperatures of two side areas in the distribution box body 1, for example, when the temperature detected by the first temperature detector 5 is too high, referring to fig. 2 and 3, by controlling the expansion and contraction of the expansion and contraction rod of the electromagnetic expansion piece 4, the push-pull rod 401 pulls the linkage rod 302, so as to drive the plurality of fan blades 301 to deflect simultaneously, and guide the wind direction blown by the cooling fan 2 to the position detected by the first temperature detector 5, and when the temperature detected by the second temperature detector 501 is too high, the operation is the same.

A dry ice storage tank 6 is arranged in the control room 101, the air injection end of the dry ice storage tank 6 is connected with an electromagnetic valve 601, the electromagnetic valve 601 is connected with a nozzle 7 through a conduit, the electromagnetic valve 601 is electrically connected with a control box 8 through a data line, when an electric element in the distribution box body 1 is on fire, the control box 8 controls the electromagnetic valve 601 to be opened, the dry ice stored in the dry ice storage tank 6 sprays dry ice into the distribution box body 1 through a plurality of nozzles 7 through an air duct, oxygen in the distribution box body 1 is rapidly discharged, the rapid fire extinguishing effect is achieved, a plurality of nozzles 7 are arranged below a partition plate at the top of the distribution box body 1, the plurality of nozzles 7 are communicated through the air duct, an air guide plate group 9 is arranged at the top of an inner cavity of the distribution box body 1 and below the plurality of nozzles 7, the air guide plate group 9 is formed by a plurality of air guide plates which are horizontally arranged and welded on the inner wall of the distribution box body 1, the plurality of air deflectors are arranged along the inclined air guide towards two sides, under the air guide of the air guide plate group 9, dry ice sprayed from the nozzles 7 can be diffused towards two inner sides of the distribution box body 1 in a wider range, and the purpose that the inner cavity of the distribution box body 1 is filled with the dry ice in a covering mode is achieved.

This practical theory of operation: in the use process of the utility model, when the temperature detected by the first temperature detector 5 is too high, as shown in fig. 2 and 3, by controlling the telescopic rod of the electromagnetic telescopic part 4 to stretch and retract, the linkage rod 302 is pulled through the push-pull rod 401, so that the plurality of fan blades 301 are driven to deflect simultaneously, the wind direction blown by the cooling fan 2 is guided to the position detected by the first temperature detector 5, and when the temperature detected by the second temperature detector 501 is too high, the operation is the same; when the inside electrical component of distribution box 1 takes place to catch fire, 8 control solenoid valves 601 of control box are opened, the dry ice of 6 inside storages of dry ice holding vessel passes through the air duct by a plurality of nozzles 7 toward the inside injection dry ice of distribution box 1, discharge the inside oxygen of distribution box 1 rapidly, simultaneously under the wind-guiding of air deflector group 9, can spread nozzle 7 spun dry ice to the inside both sides wider of distribution box 1, reach and cover the inner chamber that is full of distribution box 1 with the dry ice fast and reach the effect of putting out a fire fast.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a security block terminal, includes distribution box body (1), its characterized in that: the air inlet (103) is formed in the bottom of the power distribution box body (1), the heat dissipation fan (2) is arranged at a port under the air inlet (103) in a clinging mode, the heat dissipation fan (2) is fixed to the bottom of the power distribution box body (1) through bolts, the heat dissipation grids (102) are arranged on two sides of the power distribution box body (1), the top of the power distribution box body (1) is separated into a control room (101) through a welding partition plate, a control box (8) is arranged inside the control room (101), a first temperature detector (5) and a second temperature detector (501) are respectively arranged on two inner side walls of the power distribution box body (1), an air guide device (3) is arranged at the bottom of an inner cavity of the power distribution box body (1), a dry ice storage tank (6) is arranged inside the control room (101), an air injection end of the dry ice storage tank (6) is connected with an electromagnetic valve (601), and the electromagnetic valve (601) is connected with a nozzle (7) through a guide pipe, and the electromagnetic valve (601) is electrically connected with the control box (8) through a data line, and an air guide plate group (9) is arranged at the top of the inner cavity of the distribution box body (1) and below the plurality of nozzles (7).

2. A safety distribution box according to claim 1, wherein: the opening of the air inlet (103) is provided with a first dustproof filter screen, and the inner side of the heat dissipation grid (102) is provided with a second dustproof filter screen (1021).

3. A safety distribution box according to claim 1, wherein: the air guide device (3) comprises a plurality of air guide fan blades (301) which are rotatably connected to the inside of the power distribution box body (1) through rotating shafts, the air guide fan blades (301) are horizontally arrayed, the upper ends of the air guide fan blades (301) are simultaneously hinged with a linkage rod (302), an electromagnetic telescopic piece (4) is arranged at the bottom of the inner side wall of the power distribution box body (1), a telescopic rod of the electromagnetic telescopic piece (4) extends along the horizontal direction, and the end part of the telescopic rod of the electromagnetic telescopic piece (4) is connected with one end of the linkage rod (302) through a push-pull rod (401).

4. A safety distribution box according to claim 1, wherein: a plurality of nozzles (7) are fixed below the partition plate at the top of the distribution box body (1), and the nozzles (7) are communicated with one another through air guide pipes.

5. A safety distribution box according to claim 1, wherein: the air guide plate group (9) is formed by horizontally and transversely arranging a plurality of air guide plates and welding the air guide plates on the inner wall of the power distribution box body (1), and the plurality of air guide plates are arranged along the inclined air guide towards two sides.