CN218005856U

CN218005856U - Fireproof cable branch box

Info

Publication number: CN218005856U
Application number: CN202221793438.6U
Authority: CN
Inventors: 郑昊翔
Original assignee: Anhui Songze Power Technology Co ltd
Current assignee: Anhui Songze Power Technology Co ltd
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2022-12-09
Anticipated expiration: 2032-07-13

Abstract

The utility model discloses a fireproof cable feeder pillar, including the box, still including setting up in the inside female fishplate bar that arranges of box, the bottom of box inner wall is fixed with a jar body, the inside of the jar body is filled with liquid carbon dioxide, the right-hand member intercommunication of the jar body has the injection pipe to be provided with the solenoid valve on the injection pipe, the terminal intercommunication of injection pipe has the ascending nozzle of opening, the right side of box inner wall bottom is fixed with the glass post, and the inside ball chamber of having seted up of glass post, the inside in ball chamber is provided with mercury, the top intercommunication in ball chamber has the slot, the both sides at slot inner wall top all are provided with the connector lug, the one end of connector lug runs through and extends to the outside of glass post, two connector lugs are connected with the negative pole of the branch joint on the female fishplate bar and the negative pole of solenoid valve through the connecting wire respectively, the positive pole of solenoid valve is connected with the positive pole of the branch joint on the female fishplate bar plate bar through the connecting wire. The utility model discloses can in time discover the condition of a fire to can self-extinguishing, reduce the loss.

Description

Fireproof cable branch box

Technical Field

The utility model relates to a cable branch case technical field especially relates to a fireproof cable branch case.

Background

The cable branch box is only used as a cable branch, the cable branch box is mainly used for shunting or switching cables and mainly has the cable shunting function and the cable switching function, and along with the development of the cabling process of the power distribution network, when the independent load distribution with small capacity is concentrated, the cable branch box can be used for connecting the cables in multiple branches, and the branch box cannot directly operate each path.

Current cable branch box, generally through with cable equipment fixed mounting inside the cable branch box, then run through the cable conductor inside and the cable equipment intercommunication of cable branch box again to the realization is to the effect of city electric wire netting power supply, because cable equipment can make the inside continuous intensification of cable branch box under lasting operating condition, thereby it causes the conflagration to lead to taking place the spontaneous combustion phenomenon easily inside the cable branch box.

The utility model with application number 202122909852.0 provides a fireproof cable branch box, two threaded rods are driven by a driving assembly to drive a lifting plate to move up and down, then carbon dioxide and foam in a fire extinguisher are subjected to all-dimensional fire extinguishing through a nozzle through a fireproof assembly, and further the effect of fire prevention in the box is achieved, the safety of the whole cable branch box is improved, but the fire extinguishing operation can be manually started after a worker finds a fire, so that the utility model has no practical effect in practice, and the effect can be achieved by manually extinguishing the fire through the fire extinguisher after the fire is found;

therefore the utility model provides a fireproof cable feeder pillar can take place back automatic fire extinguishing at the condition of a fire.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fireproof cable feeder pillar to solve above-mentioned technical problem.

The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize:

the utility model provides a fireproof cable branch box, includes the box, still includes the female fishplate bar that arranges in the box inside, the bottom of box inner wall is fixed with a jar body, the inside of the jar body is filled with liquid carbon dioxide, the right-hand member intercommunication of the jar body has the injection pipe to be provided with the solenoid valve on the injection pipe, the terminal intercommunication of injection pipe has the ascending nozzle of opening, the right side of box inner wall bottom is fixed with the glass post to the ball chamber has been seted up to glass post inside to the inside of ball chamber is provided with mercury, the top intercommunication in ball chamber has the slot, the both sides at slot inner wall top all are provided with the connector lug, the one end of connector lug runs through and extends to the outside of glass post, two the connector lug is connected through the negative pole of branch joint on connecting wire and the female fishplate bar and the negative pole of solenoid valve respectively, the positive pole of solenoid valve is connected through the connecting wire and the branch joint's of female fishplate bar on the female fishplate bar.

Preferably, a sealing gasket is arranged at the joint of the connector lug and the glass column.

Preferably, the electromagnetic valve is specifically an energized open type electromagnetic valve.

Preferably, the both sides at box top have all been seted up the ventilation hole to the ventilation hole inboard is provided with the dust screen.

Preferably, a base plate is fixed at the bottom of the box body, and a box door is arranged on the front face of the box body.

Preferably, a rain shade is arranged at the top of the box body.

The utility model has the advantages that:

the utility model discloses when the cable plant of box inside takes place the spontaneous combustion phenomenon, the box is inside can rise fast, and the temperature can exceed 60 degrees centigrade, and mercury makes intercommunication between two connector lugs this moment, and the closed loop is realized to the circuit of solenoid valve, and the solenoid valve is opened, and the carbon dioxide of jar internal portion is from the nozzle blowout, makes the box inside be full of carbon dioxide to realize the purpose of putting out a fire, the device can in time discover the condition of a fire, and can self-extinguishing, reduce the loss.

Drawings

Fig. 1 is a schematic front sectional view of the present invention;

fig. 2 is a circuit connection schematic diagram of the electromagnetic valve of the present invention.

Reference numerals are as follows: 1. a box body; 2. a busbar receiving plate; 3. a tank body; 4. an injection pipe; 5. an electromagnetic valve; 6. a nozzle; 7. a glass column; 8. a ball cavity; 9. mercury; 10. a fine groove; 11. a connector lug; 12. a gasket; 13. a vent hole; 14. a dust filter screen; 15. a base plate; 16. a rain shade.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

Examples

As shown in fig. 1-2, a fireproof cable branch box comprises a box body 1 and a busbar plate 2 arranged inside the box body 1, wherein both sides of the top of the box body 1 are provided with vent holes 13, dust filtering nets 14 are arranged inside the vent holes 13, a rain shade 16 is arranged on the top of the box body 1, a backing plate 15 is fixed at the bottom of the box body 1, and a box door is arranged on the front surface of the box body 1;

in the utility model, a tank body 3 is fixed at the bottom of the inner wall of a box body 1, liquid carbon dioxide is filled in the tank body 3, the right end of the tank body 3 is communicated with an injection pipe 4, a solenoid valve 5 is arranged on the injection pipe 4, the solenoid valve 5 is specifically an open solenoid valve, the tail end of the injection pipe 4 is communicated with a nozzle 6 with an upward opening, a glass column 7 is fixed at the right side of the bottom of the inner wall of the box body 1, a ball cavity 8 is arranged in the glass column 7, mercury 9 is arranged in the ball cavity 8, the top of the ball cavity 8 is communicated with a thin groove 10, connector lugs 11 are arranged at two sides of the top of the inner wall of the thin groove 10, when the position of the connector lug is determined, the connector lug is calculated according to the thermal expansion coefficient of the mercury, when the temperature is raised to 60 ℃ from normal temperature, the position of the mercury liquid level is the position of two connector lugs, one end of the connector lug 11 runs through and extends to the outside of the glass column 7, two connector lugs 11 are connected with the negative pole of the branch joint on the female connecting plate 2 and the negative pole of the electromagnetic valve 5 through the connecting wire respectively, the positive pole of the electromagnetic valve 5 is connected with the positive pole of the branch joint on the female connecting plate 2 through the connecting wire, when the internal temperature of the box 1 rises, the liquid level of mercury also rises, the internal temperature of the box 2 hardly reaches 60 ℃ under normal conditions, when the cable device inside the box 1 has spontaneous combustion phenomenon, the internal part of the box 1 can rise rapidly, the temperature can exceed 60 ℃, mercury enables the two connector lugs 11 to be communicated at the moment, the circuit of the electromagnetic valve is closed, the electromagnetic valve 5 is opened, the carbon dioxide inside the tank body 3 is sprayed out from the nozzle 6, and the effect of putting out a fire inside the box 1 is achieved.

The utility model discloses, connector lug 11 is provided with sealed pad 12 with the junction of glass post 7, and sealed pad 12 set up and can prevent that mercury from leaking from the gap between connector lug 11 and the glass post.

When specifically using, when the cable equipment of box 1 inside takes place the spontaneous combustion phenomenon, 1 inside meeting of box rises fast, and the temperature can exceed 60 degrees centigrade, and mercury makes intercommunication between two connector lugs 11 this moment, and the circuit of solenoid valve realizes the closed loop, and solenoid valve 5 opens, and the carbon dioxide of jar 3 insides is from nozzle 6 blowout, makes 1 inside carbon dioxide that is full of box to realize the purpose of putting out a fire, the device can in time discover the condition of a fire, and can self-extinguishing.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a fireproof cable branch box, includes box (1), its characterized in that: still including setting up in box (1) inside female fishplate bar (2) of arranging, the bottom of box (1) inner wall is fixed with a jar body (3), the inside of jar body (3) is filled with liquid carbon dioxide, the right-hand member intercommunication of the jar body (3) has injection pipe (4) to be provided with solenoid valve (5) on injection pipe (4), the terminal intercommunication of injection pipe (4) has nozzle (6) that open side is up, the right side of box (1) inner wall bottom is fixed with glass post (7) to ball chamber (8) have been seted up to glass post (7) inside, and the inside of ball chamber (8) is provided with mercury (9), the top intercommunication of ball chamber (8) has stria (10), the both sides at stria (10) inner wall top all are provided with connector lug (11), the one end of connector lug (11) runs through and extends to the outside of glass post (7), two connector lug (11) are connected with the negative pole of the branch joint on female fishplate bar (2) and the negative pole of solenoid valve (5) through the connecting wire respectively, the positive pole of solenoid valve (5) is connected with female branch joint on the female fishplate bar (2).

2. A fire-resistant cable branch box according to claim 1, wherein: and a sealing gasket (12) is arranged at the joint of the connector lug (11) and the glass column (7).

3. A fire-resistant cable branch box according to claim 1, wherein: the electromagnetic valve (5) is specifically an electrified open type electromagnetic valve.

4. The fireproof cable branch box according to claim 1, wherein: ventilation holes (13) are formed in the two sides of the top of the box body (1), and dust filtering nets (14) are arranged on the inner sides of the ventilation holes (13).

5. A fire-resistant cable branch box according to claim 1, wherein: the bottom of the box body (1) is fixed with a backing plate (15), and the front surface of the box body (1) is provided with a box door.

6. A fire-resistant cable branch box according to claim 1, wherein: a rain shade (16) is arranged at the top of the box body (1).