CN111569322B

CN111569322B - Short-circuit-preventing rapid fire extinguishing device for high-altitude low-voltage power transmission cable

Info

Publication number: CN111569322B
Application number: CN202010386886.3A
Authority: CN
Inventors: 徐占松
Original assignee: Shanxi Shentong Electric Power Engineering Co ltd
Current assignee: Shanxi Shentong Electric Power Engineering Co ltd
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2023-04-28
Anticipated expiration: 2040-05-09
Also published as: CN111569322A

Abstract

The invention relates to the technical field of fire protection, and discloses an anti-short-circuit rapid fire extinguishing device for a high-altitude low-voltage transmission cable, which comprises a shell, wherein the shell is made of glass fiber reinforced plastic material and has good corrosion resistance and flame retardance, when a rotating rod moves, a clamping plate is driven to be opened through the cooperation of the rotating rod, the two upper shells are completely overlapped finally, the traditional integrated structure is changed, the whole installation and disassembly process is more convenient and rapid, the practicability of the device is improved, when the temperature is overhigh at a wiring position, and a spark appears in the shell, the pressure relief valve is propped open, so that explosion is prevented, the alarm button is triggered to alarm, and on the other hand, the fire extinguishing column is opened and dry powder is sprayed out to perform emergency fire extinguishing treatment, so that the spread of the spark is avoided, the possibility of line short circuit is reduced, and the safety of the whole device is improved.

Description

Short-circuit-preventing rapid fire extinguishing device for high-altitude low-voltage power transmission cable

Technical Field

The invention relates to the technical field of fire protection, in particular to a short-circuit-preventing rapid fire extinguishing device for high-altitude low-voltage transmission cables.

Background

With the development and progress of science, an electric power system is developed, a plurality of wires are wound to form a circuit, electric power or information is transmitted from one place to another place, and the circuit plays a vital role in the electric power use and transmission process.

When the power line is too long, after the line is paved or the overhead frame is good, in order to enable the line to be a continuous line, all line sections are connected into a whole, the connection part of the line is weak, if the sealing is poor, oil leakage is easy to occur, oil immersed paper is dry, moisture can invade the inside of the line, the insulation performance of the line is reduced, so that the line explosion-proof box is required to be installed on the outer side of the line, and because the line explosion-proof box is in a sealed state for a long time, the internal temperature is unstable, and because the voltage at the joint is unstable, short circuit is easy to occur, the line burns, on one hand, inconvenience is caused by using electricity, on the other hand, if the fire disaster is easy to occur due to untimely treatment, the traditional explosion-proof box is not provided with a single function of automatic fire extinguishing, and the line explosion-proof box is extremely unsafe in use engineering.

In order to solve the problems, the inventor provides an anti-short-circuit rapid fire extinguishing device for a high-altitude low-voltage power transmission cable, which has the functions of automatic alarm and automatic fire extinguishing, solves the problems that the traditional anti-explosion box is single in function and can not perform alarm and fire extinguishing, ensures that when the device is used, when a line is on fire due to short circuit, the fire extinguishing can be automatically performed for emergency treatment, and alarms are performed, so that related responsible personnel are prompted to pay attention to follow-up progress, the probability of safety accidents is reduced, and the safety and the practicability of the device are improved.

Disclosure of Invention

Technical scheme (one)

In order to achieve the purposes of automatic alarm and automatic fire extinguishing, the invention provides the following technical scheme: a prevent short circuit quick extinguishing device for high altitude low tension transmission cable, which comprises a housin, the shell design is glass steel material, have good corrosion-resistant and fire resistance, the inside outside swing joint of shell has the relief valve, when the inside pressure of shell is too high, open the switch of relief valve, prevent to explode, the inside swing joint of shell has the circuit, the outside fixedly connected with megaphone of shell, the sound to report to the police is enlargied, remind, the outside swing joint of circuit has the rubber buffer, the circuit is firm, and increase the seal of whole device, prevent that the rainwater from getting into and causing the harm, the inside fixedly connected with fire extinguishing column of shell carries out emergency fire extinguishing treatment, the outside swing joint of fire extinguishing column has the piston, the top fixedly connected with alarm button of shell carries out the warning and reminds, the inside swing joint of shell has the movable block, the top swing joint of movable block has the rope, the below fixedly connected with baffle of movable block, one side swing joint of rope is kept away from the movable block has the bull stick, the inside swing joint of shell has the bull stick, the inside swing joint of bull stick has splint, outside swing joint of external swing joint has splint, carry out the outside swing joint of swing joint and ball.

Preferably, a plastic spring is movably connected below the trigger ball, and in an initial state, the elastic potential energy of the spring is consistent with the gravitational potential energy of the trigger ball.

Preferably, the two shells are identical in specification and opposite in direction, and are symmetrically distributed by taking the joint of the lines as the central line.

Preferably, the outside of bull stick is equipped with the screw thread, and the screw thread size mutual adaptation that is equipped with the inside of knob.

Preferably, the two clamping plates have the same specification and are symmetrically distributed by taking the horizontal center line of the rotating rod as a reference.

Preferably, the right-hand member fixedly connected with handle of bull stick, and the handle designs to be the arc, and the material is soft rubber material.

Preferably, the pressure relief valves are two groups, each group has two pressure relief valves, the specifications of the two pressure relief valves are consistent, and the two pressure relief valves are symmetrically distributed by taking the central line of the shell as a reference.

(II) advantageous effects

Compared with the prior art, the invention provides the short-circuit-preventing rapid fire extinguishing device for the high-altitude low-voltage transmission cable, which has the following beneficial effects:

1. this a prevent short circuit quick extinguishing device for high altitude low tension transmission cable uses through the cooperation of bull stick, splint and turn-button for when the bull stick removes, drive splint and open, finally make two epitheca coincide completely, change traditional integrated structure, make holistic installation and dismantlement process more convenient and swift, increase the practicality of device.

2. This a prevent short circuit quick extinguishing device for high altitude low tension transmission cable uses through shell, alarm button, movable block, rope, baffle and trigger the cooperation of ball for when the rope disconnection, drive the movable block and move down, finally trigger alarm button and report to the police, thereby make the whole in-process of reporting to the police more sensitive, utilize temperature variation to control, avoid the condition of false alarm to take place, increase the intelligent of whole device.

3. This a prevent short circuit quick extinguishing device for high altitude low tension transmission cable uses through the cooperation of rope, horizontal pole and pull rod for utilize lever principle to make the pull rod down remove when the rope disconnection, open the piston, thereby make the fire extinguishing column open, thereby process of putting out a fire to line joint department, need not operate with the help of external energy material, and can reciprocate to fill fire extinguishing dry powder in the fire extinguishing column, can cyclic utilization, make the environmental protection of whole device more.

4. This a prevent short circuit quick extinguishing device for high altitude low tension transmission cable uses through the cooperation of fire extinguishing post, alarm button and relief valve for when the junction appears the high temperature, when leading to appearing the spark in the shell, the relief valve is pushed away, thereby prevents to appear the explosion, triggers alarm button and reports to the police, on the other hand fire extinguishing post is opened, and dry powder blowout carries out urgent fire extinguishing treatment, thereby avoids spreading of spark, reduces the possibility of circuit short circuit and increases the security of whole device.

Drawings

FIG. 1 is a schematic diagram of a connection structure according to the present invention;

FIG. 2 is a schematic diagram of the connection structure of the alarm button, the moving block, the rope, the baffle, the trigger ball and the shell, wherein the structures are in an original state;

FIG. 3 is a diagram of the motion trail of each structure in FIG. 1, wherein the rope is disconnected, the trigger ball moves downwards, and the alarm button is triggered to remind of fire;

FIG. 4 is a schematic view of the connection structure of the rotating rod, clamping plate and rotating button of the present invention, wherein the structures are in the original state;

FIG. 5 is a view showing the motion trajectories of the structures of FIG. 4, wherein the rotating rod moves forward and the clamping plates are gradually opened;

FIG. 6 is a diagram of the motion trajectories of the structures of FIG. 5 according to the present invention, wherein the knob is turned and the clamping plate is fully opened, and the two housings are tightly connected.

FIG. 7 is a schematic view of the rope, cross bar and tie rod connection structure of the present invention, wherein the structures are all in an initial state and the piston is closed;

FIG. 8 is a diagram of the motion trajectories of the structures of FIG. 7 according to the present invention, wherein the ropes are disconnected, the tie rod moves downwards, and the piston is opened;

FIG. 9 is an enlarged view of the structure of FIG. 7A in accordance with the present invention;

fig. 10 is an enlarged view of the structure of fig. 8B in accordance with the present invention.

In the figure: 1. a housing; 2. a pressure release valve; 3. a line; 4. a loudspeaker; 5. a rubber stopper; 6. a fire extinguishing column; 7. a piston; 8. an alarm button; 9. a moving block; 10. a rope; 11. a baffle; 12. a cross bar; 13. a pull rod; 14. a rotating rod; 15. a clamping plate; 16. a rotary knob; 17. the ball is triggered.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-10, a quick extinguishing device of short circuit prevention for high altitude low voltage transmission cable, including shell 1, shell 1 designs into glass steel material, have good corrosion-resistant and fire resistance, shell 1 has two, the specification of two shells 1 is unanimous, the opposite direction is symmetrical with the joint department of circuit 3 as the central line respectively, change traditional shell 1 integrated structure, make the in-process of installing and dismantling more convenient and fast, the inside outside swing joint of shell 1 has relief valve 2, relief valve 2 has two sets of, every group has two, the specification of two relief valves 2 is unanimous, and regard as the central line of shell 1 as the reference and be symmetrical distribution, when the inside pressure of shell 1 is too high, open the switch top of relief valve 2, prevent to take place the explosion, and the design of four relief valves 2 can make can step down rapidly after opening relief valve 2, reduce danger, the inside swing joint of shell 1 has circuit 3, the outside fixedly connected with megaphone 4 of shell 1, the sound to report to the police is enlargied, the outside swing joint of 3 has the relief valve 3, the inside swing joint has the relief valve 6, the inside is connected with the line 6, the movable plug 6 is connected with the side of the emergency post is fixed, the inside is connected with the fire extinguishing device is had, the side 6 is fixed, the inside is connected with the emergency post is broken, the movable post is prevented from moving, the inside is connected with the movable post is connected with the 6, the inside is connected with the emergency post is connected with the 6, 9, the inside is connected with the emergency post is 6, 9, the inside is connected with the 6, and has the safety post is used for the safety protection.

The below fixedly connected with baffle 11 of movable block 9 stabilizes trigger ball 17, one side swing joint that the movable block 9 was kept away from to rope 10 has horizontal pole 12, one side swing joint that the rope 10 was kept away from to horizontal pole 12 has pull rod 13, the inside swing joint of shell 1 has bull stick 14, the right-hand member fixedly connected with handle of bull stick 14, and the handle designs to be the arc, the material is soft rubber material, more convenient operation when splice two shells 1, the outside of bull stick 14 is equipped with the screw thread, and the screw thread size looks adaptation that is equipped with the inside of knob 16, make splint 15 open gradually when turning knob 16, thereby finally fix two shells 1 and seal, the inside swing joint of bull stick 14 has splint 15, splint 15 have two, the specification of two splint 15 is unanimous, and take the horizontal central line of bull stick 14 as the reference to be symmetric distribution, guarantee both sides atress even, and increase the seal of two shells 1, the outside swing joint of bull stick 14 has knob 16, the below swing joint of movable connection of movable block 9 and trigger ball 17, trigger ball 17's below swing joint has the initial potential energy, the spring that triggers, when the state, the spring is in the condition of falling steady state can take place when the elastic state, the fault happens, make the spring can take place under the condition when the condition.

The working principle is that the two shells 1 are spliced together, the circuit 3 is sealed in the shells 1, then the rotating rod 14 is inserted between the two shells 1, the rotating rod 14 is pushed forward, the clamping plate 15 is slowly opened due to the fact that the clamping plate 15 is movably connected in the rotating rod 14, finally the rotating button 16 is movably connected to the outside of the rotating rod 14, one hand holds the handle, the rotating button 16 is rotated by one hand, and the matched threads are arranged between the rotating button 16 and the rotating rod 14, so that the rotating button 16 gradually moves forward, the clamping plate 15 is finally completely opened, and the shells 1 are finally completely fixed and sealed without operation by other external tools, so that the operation is more convenient and quick.

The above structure and process are shown in fig. 4-6 and fig. 1.

In the process of using the device, when the spark is started at the interface of the circuit 3 due to overhigh temperature or other reasons, the internal pressure of the shell 1 is increased in the process of continuously rising the temperature, when the internal pressure is gradually higher than the external pressure and exceeds the pre-warning temperature, the final pressure release valve 2 is pushed open, the rope 10 is disconnected when the temperature exceeds the pre-warning temperature, the movable block 9 is movably connected below the rope 10, the movable block 9 pulling the rope starts to move downwards, the trigger ball 17 is movably connected below the movable block 9, the trigger ball is contacted with the trigger ball 17, the trigger ball 17 moves downwards, and finally the transverse block at the bottom is driven to contact with the alarm button 8, so that the alarm starts to alarm and the loudspeaker 4 is used for amplifying sound, and people are attracted.

The above structure and process are shown in fig. 2-3.

Meanwhile, after the rope 10 is disconnected, the tensile force borne by the cross rod 12 is also lost, so that the left end of the cross rod 12 starts to tilt upwards, the right end of the cross rod 12 moves downwards according to the lever principle, the right end of the cross rod 12 is movably connected with the pull rod 13, so that the pull rod 13 is driven to move downwards synchronously, the piston 7 is movably connected above the pull rod 13, the final piston 7 is opened, dry powder is filled in the fire extinguishing column 6, the dry powder is finally used for emergently extinguishing the circuit 3, short circuits of the circuit 3 are avoided, and the dry powder in the fire extinguishing column 6 can be added in a circulating manner, so that the device is higher in practicability.

The above structure and process are shown in fig. 7-8 and fig. 9-10.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 prevent short circuit quick extinguishing device for high altitude low tension transmission cable, includes shell (1), its characterized in that: the inside outside swing joint of shell (1) has relief valve (2), the inside swing joint of shell (1) has circuit (3), the outside fixedly connected with megaphone (4) of shell (1), the outside swing joint of circuit (3) has rubber buffer (5), the inside fixedly connected with fire extinguishing post (6) of shell (1), the outside swing joint of fire extinguishing post (6) has piston (7), the top fixedly connected with alarm button (8) of shell (1), the inside swing joint of shell (1) has movable block (9), the top swing joint of movable block (9) has rope (10), the below fixedly connected with baffle (11) of movable block (9), one side swing joint of rope (10) keep away from movable block (9) has horizontal pole (12), one side swing joint of rope (10) is kept away from to horizontal pole (12) has pull rod (13), the inside swing joint of shell (1) has bull stick (14), the inside swing joint of bull stick (14) has splint (15), the outside swing joint of bull stick (14) has knob (16), the below swing joint of movable block (9) has rope (17), the fixed ball (17) is designed for the soft material of right side, the fire extinguishing device is characterized in that the two pressure release valves (2) are arranged in two groups, the two pressure release valves (2) are in consistent specification, the pull rods are driven to synchronously move downwards by taking the center line of the shell (1) as a reference, when the temperature exceeds the early warning temperature, the ropes are disconnected, moving blocks are movably connected below the ropes, the moving blocks in tension start to move downwards, trigger balls are movably connected below the moving blocks and are in contact with the trigger balls, the trigger balls move downwards, the transverse blocks at the bottoms are driven to contact with the alarm buttons, the tension borne by the cross rods disappears, the left ends of the cross rods start to tilt upwards, the right ends of the cross rods move downwards, the right ends of the cross rods are in movable connection with the pull rods, the pull rods are driven to synchronously move downwards by taking the upper movable connection with the pistons, the pistons are opened, dry powder is filled in the fire extinguishing columns, the dry powder is used for extinguishing a line, the lower movable connection with a plastic spring in the lower movable connection of the trigger balls (17), the elastic potential energy of the spring is consistent with the potential energy of the trigger balls in the initial state, the outer sides of the trigger balls (14) are provided with threads (16) and the two threads (15) are distributed in the same specification as the two symmetrical clamp plates (1) respectively, and the two symmetrical specifications (1) are matched with the two shells are in the opposite specification, and the two symmetrical specifications (1) are matched with the two shells are in the two opposite specifications.