CN115621945A

CN115621945A - Bus duct plug switch box with fire extinguishing capability

Info

Publication number: CN115621945A
Application number: CN202211276973.9A
Authority: CN
Inventors: 宋艾平; 夏晟
Original assignee: Anhui Kaida Electric Power Technology Co ltd
Current assignee: Anhui Kaida Electric Power Technology Co ltd
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2023-01-17

Abstract

The invention discloses a bus duct plug-in switch box with fire extinguishing capability, belonging to the technical field of power equipment. According to the invention, the first telescopic inner shaft is driven by the telescopic outer barrel to synchronously act, and in the process, the elastic part associated with the first telescopic inner shaft does extension movement in the telescopic outer barrel under the action of self-reset elasticity, so that a switch on the fire extinguisher can be opened, the fire extinguishing substance sprayed by the fire extinguisher is wrapped on the outer surface of the power switch, namely, naked fire is covered and suffocated by the fire extinguishing substance, double prevention and control are realized, the safety coefficient of the power switch is effectively improved, the fire spreading is avoided, the safety of the surrounding environment of the bus duct groove body is ensured, protective measures can be automatically taken when a fault occurs, the safety performance is higher, and the length of the sliding connecting rod is shorter, so that the fire occurring at the power switch can be quickly extinguished.

Description

Bus duct plug switch box with fire extinguishing capability

Technical Field

The invention belongs to the technical field of power equipment, and particularly relates to a bus duct plug switch box with fire extinguishing capacity.

Background

The bus bar refers to a common passage to which a plurality of devices are connected in parallel branches. In the computer system, a shared high-speed channel on which a plurality of computers are connected in parallel can be used for randomly transmitting data among the computers, but only one device can transmit data at the same time, and the plug-in bus duct is of an alternating-current three-phase four-wire or five-wire system, is suitable for power supply and distribution with the frequency of 50-60 Hz, the rated current of 100A-6300A and the rated voltage of below 690V, and is particularly suitable for low-voltage power distribution systems of industrial plants, mines and the like and power supply systems of high-rise commercial buildings, hotels, hospitals and the like.

The invention discloses a bus duct plug-in switch box in the technical field of partial power equipment in the prior art, wherein Chinese patent CN102290756B discloses a bus duct plug-in switch box which comprises a box body, wherein the box body comprises a box door, a box bottom, two side plates, two sealing plates and a radiating fin, the two side plates are respectively connected with the box door and the box bottom, the radiating fin is arranged on the side plates, the box bottom protrudes out of a pair of guiding pieces which play a role in positioning and guiding when the bus duct plug-in switch box is connected with a bus duct, and the radiating fin extends outwards perpendicular to the side plates; interlocking device is including setting up operating handle on the chamber door, with operating handle links to each other and by operating handle carries out the linkage steel wire that controls, overlap in the outside pipe of linkage steel wire, setting are in fixing base, setting on the guide outside are in the inboard joint board of fixing base, run through the axle that the fixing base set up and suit are in epaxial spring, linkage steel wire, pipe, fixing base and joint board symmetry set up the both sides of box and control through operating handle, still set up on the joint board from its surface towards protruding a plurality of lugs of stretching out of chamber door, the lug suit is in epaxial and with the spring location is between a plurality of lugs, the joint board can wind the axle is rotatory, and this technical scheme has realized the interlocking control of plug and the internal circuit of bus duct plug-in switch box through setting up interlocking device, prevents to carry out the plug operation of bus duct plug-in switch box under the condition of not cutting off load, has ensured operation safety, has improved power supply system's security performance greatly, has guaranteed operative employee's personal safety.

Bus duct grafting switch box among the prior art, if power switch when taking place short-circuit fault, produce high temperature easily, still can cause the conflagration when serious, and bus duct grafting switch box among the prior art adopts temperature sensor to come to detect the power switch running state of switch incasement portion mostly, because temperature sensor is electronic product, the condition that probably breaks down or does not have the electricity can take place, influence rescue time, and because self does not have timely remedial measure, this section vacuum phase that the electric power staff arrived the scene can lead to the conflagration to stretch rapidly, thereby harm building or the security of the lives and property around, cause great influence to the external world.

Based on the technical scheme, the invention designs the bus duct plug switch box with the fire extinguishing capability to solve the problems.

Disclosure of Invention

The invention aims to: in order to solve the problems that if a power switch has a short-circuit fault, the bus duct plugging switch box in the prior art is easy to generate high temperature and can cause fire disasters seriously, the bus duct plugging switch box in the prior art mostly adopts a temperature sensor to detect the running state of the power switch in the switch box, and because the temperature sensor is an electronic product, the situation of failure or no electricity can occur, the rescue time is influenced, and because the self has no timely remedial measure, the vacuum period when the power worker arrives at the site can lead the fire to rapidly spread, thereby harming the surrounding buildings or the safety of lives and properties and causing great influence to the outside, and the bus duct plugging switch box with the fire extinguishing capability is provided.

In order to achieve the purpose, the invention adopts the following technical scheme:

a busway plug-in switch box with fire extinguishing capability comprises a busway groove body, a plug-in switch box is plugged in the top of the busway groove body, a power switch is fixedly mounted on the side end face inside the plug-in switch box, the input end of the power switch is electrically connected with a plurality of wire columns, wire cut-off assemblies are sleeved on the peripheries of the wire columns, and the bottoms of the wire cut-off assemblies are fixedly connected to the bottoms of the inner sides of the plug-in switch box;

the side position of power switch is provided with the fire extinguisher, the fire extinguisher is close to the passive subassembly that triggers of one side fixedly connected with second of power switch, the perforation has been seted up to the side end face of the passive subassembly that triggers of second, it is equipped with active trigger assembly to inlay in the perforation, the both ends of active trigger assembly respectively with fire extinguisher and power switch's opposite face fixed connection, the below of active trigger assembly is provided with the passive subassembly that triggers of second, the bottom fixed connection of the passive subassembly that triggers of second cuts the top of subassembly at the wire.

As a further description of the above technical solution:

the wire cuts the subassembly and includes outer frame, outer frame cover is established in the periphery of many wire columns, the bottom fixed connection of outer frame is in the inboard bottom of plug-in type switch box, the inside wall of outer frame has seted up the sliding connection groove, sliding connection has the sliding connection seat in the sliding connection groove, the first supporting spring of side end face fixedly connected with of sliding connection seat, the other end of first supporting spring and the inboard terminal surface fixed connection of sliding connection groove, the position fixedly connected with insulator that the sliding connection seat terminal surface corresponds many wire columns, the one side fixedly connected with that the insulator is close to many wire columns cuts the sword, the insulator corresponds the position that cuts the sword and sets up to domatic structure.

As a further description of the above technical solution:

the side end face of the insulating seat is lapped with a limiting clamping seat, one face, away from the plurality of conductor columns, of the limiting clamping seat is fixedly connected with a second supporting spring, the other end of the second supporting spring is fixedly connected with the end face of the inner side of the outer frame, and the top of the limiting clamping seat is fixedly connected with a bridge type connecting frame.

As a further description of the above technical solution:

the passive subassembly that triggers of second includes the second adapter, the inside wall joint of second adapter has the bearing, the bearing internal rotation is connected with first switching axle, the inside telescopic urceolus that inlays of second adapter, the opposite face fixed connection of telescopic urceolus and first switching axle, the tip fixedly connected with second torsion shaft coupling of first switching axle, the second power spring that holds has been cup jointed on the surface of second torsion shaft coupling, the one end fixed connection of second power spring holds on the surface of second torsion shaft coupling, the other end of second power spring holds the one side fixed connection that the second adapter is close.

As a further description of the above technical solution:

the fire extinguisher comprises a telescopic outer barrel, a first telescopic inner shaft is sleeved in a port at the top of the telescopic outer barrel, one end of the first telescopic inner shaft is fixedly connected with the inner end face of the telescopic outer barrel through an elastic piece, the other end of the first telescopic inner shaft abuts against a switch on the fire extinguisher, a second telescopic inner shaft is sleeved in a port at the bottom of the telescopic outer barrel, the end part of the second telescopic inner shaft is fixedly connected with the inner end face of the telescopic outer barrel through an elastic piece, and the through hole is formed in the side end face of the second telescopic inner shaft.

As a further description of the above technical solution:

the active trigger assembly comprises a rear supporting seat, a first force storage rope and a second force storage rope, one end of the first force storage rope is fixedly connected to the side end face of the power switch through a hot fusible link, the other end of the first force storage rope is fixedly connected to the top of the trigger seat, one end of the second force storage rope is fixedly connected to the side end face of the power switch through a hot fusible link, and the other end of the first force storage rope is fixedly connected with one face, close to the inner shaft, of the second telescopic inner shaft.

As a further description of the above technical solution:

the fire extinguisher deviates from electric power switch's one side fixedly connected with back supporting seat, the bottom fixed connection of back supporting seat is in the inboard bottom of plug-in type switch box, one side that the fire extinguisher was kept away from to back supporting seat is provided with the switch box case lid, the opposite face fixed connection of switch box case lid and plug-in type switch box.

As a further description of the above technical solution:

first passive trigger subassembly includes first switching frame, the bottom fixed connection of first switching frame is at the top of outer frame, the inboard of first switching frame is inlayed and is equipped with switching formula universal driving shaft, the tip fixedly connected with second switching shaft of switching formula universal driving shaft, the bearing has been cup jointed on the surface of second switching shaft, the bearing joint is at the inboard terminal surface of switching frame, the first torsion coupling of the tip fixedly connected with of second switching shaft, first power storage spring has been cup jointed on the surface of first torsion coupling, the one end fixed connection of first power storage spring is on the surface of first torsion coupling, the other end of first power storage spring and the similar one side fixed connection of first switching frame.

As a further description of the above technical solution:

the top of the switching type linkage shaft is fixedly connected with a trigger seat, and the side end face of the switching type linkage shaft is fixedly connected with one end, close to the bridge type connecting frame, of the bridge type connecting frame.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. according to the invention, under the action of the reset elasticity of the second power storage spring, the trigger seat is overturned through the switching type linkage shaft, the second telescopic inner shaft drives the telescopic outer cylinder to rotate at the inner side of the second switching frame, the first telescopic inner shaft is driven by the telescopic outer cylinder to synchronously act, in the process, the elastic part associated with the first telescopic inner shaft does stretching movement in the telescopic outer cylinder under the action of the self reset elasticity, so that the switch on the fire extinguisher can be opened, the fire extinguishing substance sprayed out of the fire extinguisher is wrapped on the outer surface of the power switch, namely, the open fire is covered and suffocated through the fire extinguishing substance, double prevention and control are realized, the safety coefficient of the power switch is effectively improved, the fire spreading is avoided, the safety of the environment around the bus duct groove body is ensured, the protection measures can be automatically taken when the fault occurs, the safety performance is high, and therefore, the fire occurring at the power switch can be quickly extinguished.

2. According to the invention, under the action of the restoring elasticity of the first power storage spring, the switching type linkage shaft rotates, the switching type linkage shaft can drive the limiting clamping seat to overturn through the bridge type connecting frame, the overturned limiting clamping seat can be separated instantly and the limiting effect on the insulating seat is relieved, as the insulating seat loses the supporting force from the limiting clamping seat, at the moment, under the action of the restoring elasticity of the first supporting spring, the sliding connecting seat can drive the insulating seat and the cutting knife on the insulating seat to slide in the sliding connecting groove and move along the direction close to the plurality of wire columns, the cutting knife in the fast moving state can simultaneously cut the plurality of insulating columns, and the position of the cutting knife corresponding to the two wire columns is made of an insulating material, so that the bad phenomenon that short circuit occurs between the two adjacent wire columns can be avoided, the cutting knife can abut against the end surface of the insulating seat along the slope surface after being cut, the electrical connection relation between the power switch and the bus duct body can be thoroughly relieved, the power failure is avoided being enlarged, and the safety is further improved.

Drawings

Fig. 1 is an overall structural schematic diagram of a bus duct plug switch box with fire extinguishing capability according to the present invention;

fig. 2 is a schematic structural diagram of another view angle of the bus duct plugging switch box with fire extinguishing capability provided by the invention;

fig. 3 is a schematic sectional structural view of a bus duct plug switch box with fire extinguishing capability according to the present invention;

fig. 4 is an enlarged structural schematic diagram of a bus duct plug switch box with fire extinguishing capability, which is shown in fig. 3 at a;

fig. 5 is a schematic cross-sectional structural view of another view angle of the bus duct plugging switch box with fire extinguishing capability provided by the invention;

fig. 6 is a schematic structural diagram of a second passive trigger component of a bus duct plugging switch box with fire extinguishing capability provided by the invention;

fig. 7 is an enlarged structural schematic diagram of a bus duct plug switch box with fire extinguishing capability, which is shown in fig. 6 at B;

fig. 8 is a schematic structural diagram of a wire cut-off assembly in a busway plug switch box with fire extinguishing capability according to the present invention;

fig. 9 is a schematic structural diagram of a combination of a wire cut-off assembly and a second passive trigger assembly in a bus duct plug-in switch box with fire extinguishing capability according to the present invention;

fig. 10 is a schematic structural diagram of another view angle of the second passive trigger assembly in the bus duct plugging switch box with fire extinguishing capability according to the present invention.

Illustration of the drawings:

1. a bus duct groove body; 2. a plug-in type switch box; 3. opening and closing a box cover; 4. a power switch; 5. a wire guide post; 6. a wire cut-off assembly; 601. an outer frame; 602. sliding connecting grooves; 603. a sliding connection seat; 604. a first support spring; 605. cutting knife; 606. an insulating base; 607. a limiting clamping seat; 608. a bridge connecting frame; 609. a second support spring; 7. a first passive trigger assembly; 701. a first power storing spring; 702. a switching type linkage shaft; 703. a first torque coupling; 704. a first adaptor rack; 705. a trigger base; 8. an active triggering component; 801. a rear support base; 802. a first power storage rope; 803. a second power storage rope; 9. a second passive trigger assembly; 901. a second adapter frame; 902. a telescopic outer cylinder; 903. a second torsional coupling; 904. a second power storage spring; 905. a first telescoping inner shaft; 906. a second telescoping inner shaft; 10. a fire extinguisher.

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.

Referring to fig. 1-10, the present invention provides a technical solution: a busway plug-in switch box with fire extinguishing capability comprises a busway groove body 1, a plug-in switch box 2 is plugged in the top of the busway groove body 1, a power switch 4 is fixedly mounted on the side end face inside the plug-in switch box 2, the input end of the power switch 4 is electrically connected with a plurality of wire columns 5, wire cut-off assemblies 6 are sleeved on the peripheries of the wire columns 5, and the bottoms of the wire cut-off assemblies 6 are fixedly connected to the bottoms of the inner sides of the plug-in switch box 2;

side position of power switch 4 is provided with fire extinguisher 10, one side fixedly connected with second passive trigger assembly 9 that fire extinguisher 10 is close to power switch 4, the perforation has been seted up to the passive side end face that triggers assembly 9 of second, it is embedded to be equipped with active trigger assembly 8 to perforate, the both ends of active trigger assembly 8 respectively with fire extinguisher 10 and power switch 4's opposite face fixed connection, the below of active trigger assembly 8 is provided with the passive trigger assembly 9 of second, the bottom fixed connection of the passive trigger assembly 9 of second cuts the top of subassembly 6 at the wire.

Specifically, as shown in fig. 4, 6 and 7, the wire cutting assembly 6 includes an outer frame 601, the outer frame 601 is sleeved on the peripheries of the plurality of wire columns 5, the bottom of the outer frame 601 is fixedly connected to the bottom of the inner side of the plug-in switch box 2, a sliding connection groove 602 is formed in the inner side wall of the outer frame 601, a sliding connection seat 603 is slidably connected to the sliding connection groove 602, a first support spring 604 is fixedly connected to a side end surface of the sliding connection seat 603, the other end of the first support spring 604 is fixedly connected to an end surface of the inner side of the sliding connection groove 602, an insulation seat 606 is fixedly connected to a position of the end surface of the sliding connection seat 603 corresponding to the plurality of wire columns 5, a cutting knife 605 is fixedly connected to a side end surface of the insulation seat 606 close to the plurality of wire columns 5, a limiting clamping seat 607 is arranged in a slope surface structure corresponding to the cutting knife 605, a second support spring 609 is fixedly connected to a side end surface of the limiting clamping seat 606 far away from the plurality of the wire columns 5, the other end of the second support spring 609 is fixedly connected to the end surface of the inner side of the outer frame 601, and a bridge-type connection frame 608 is fixedly connected to a top of the limiting clamping seat 607.

The implementation mode is specifically as follows: the plug-in type switch box 2 realizes the electrical connection relation with the bus duct groove body 1 in a plug-in manner, in the running process of a power switch 4 arranged in the plug-in type switch box 2, if an abnormal overheating condition occurs, even an open fire occurs, hot fusible wires on the first power storage rope 802 and the second power storage rope 803 are fused, because the first power storage spring 701 and the second power storage spring 904 are in a deformation state at the moment, when the pulling force of the first power storage rope 802 and the second power storage rope 803 respectively acting on the trigger seat 705 and the second telescopic inner shaft 906 disappears, under the action of the reset elastic force of the first power storage spring 701, the switching type linkage shaft 702 rotates, and the switching type linkage shaft 702 also drives the limit clamping seat 607 to overturn through the bridge type connecting frame 608, spacing cassette 607 after the upset can break away from and relieve the limiting displacement to insulating seat 606 in the twinkling of an eye, because insulating seat 606 has lost the holding power that comes from spacing cassette 607, at this moment under the effect of first supporting spring 604 resilience, slide connecting seat 603 and will drive insulating seat 606 and cut sword 605 on the insulating seat 606 and slide in sliding the spread groove 602, and remove along the direction that is close to many wire columns 5, cut sword 605 under the fast moving state can decide many insulating columns simultaneously, and cut the position that sword 605 corresponds between two wire columns 5 and choose insulating material for use, therefore can avoid the bad phenomenon of taking place the short circuit between two adjacent wire columns 5, cut sword 605 and can be along domatic butt on the terminal surface of insulating seat 606 after being cut, thereby can thoroughly relieve the electric connection relation between power switch 4 and the bus duct cell body 1.

Specifically, as shown in fig. 5 and 7-9, the second passive trigger assembly 9 includes a second adapter rack 901, a bearing is clamped on an inner side wall of the second adapter rack 901, a first adapter shaft is rotatably connected in the bearing, a telescopic outer cylinder 902 is embedded in the second adapter rack 901, the telescopic outer cylinder 902 is fixedly connected with an opposite surface of the first adapter shaft, an end of the first adapter shaft is fixedly connected with a second torque coupling 903, a second power storage spring 904 is sleeved on a surface of the second torque coupling 903, one end of the second power storage spring 904 is fixedly connected on a surface of the second torque coupling 903, the other end of the second power storage spring 904 is fixedly connected with a surface close to the second adapter rack 901, a first telescopic inner shaft 905 is sleeved in a port at the top of the telescopic outer cylinder 902, one end of the inner shaft of the first telescopic 905 is fixedly connected with an end surface of the inner side of the telescopic outer cylinder through an elastic member, the other end of the first telescopic inner shaft 905 abuts against a switch on the fire extinguisher 10, a port at the bottom 902 of the telescopic outer cylinder is sleeved with a second telescopic inner shaft 906, an end of the second inner shaft 906 is fixedly connected with an end surface of the inner shaft through an end surface of the telescopic outer cylinder 902 through a through-hole, and an open end surface of the telescopic outer cylinder 902 is arranged on an end surface of the telescopic side of the telescopic outer shaft.

The implementation mode is specifically as follows: under the action of the restoring elasticity of the second power storage spring 904, the trigger seat 705 overturns through the switching type linkage shaft 702, the second telescopic inner shaft 906 drives the telescopic outer cylinder 902 to rotate on the inner side of the second switching frame 901, the first telescopic inner shaft 905 is driven by the telescopic outer cylinder 902 to synchronously act, in the process, an elastic part associated with the first telescopic inner shaft 905 does stretching movement in the telescopic outer cylinder 902 under the action of the restoring elasticity of the elastic part, so that a switch on the fire extinguisher 10 can be opened, and fire extinguishing substances sprayed by the fire extinguisher 10 are wrapped on the outer surface of the power switch 4.

Specifically, as shown in fig. 7, the active triggering assembly 8 includes a rear supporting base 801, a first power storage rope 802 and a second power storage rope 803, one end of the first power storage rope 802 is fixedly connected to a side end face of the power switch 4 through a thermal fuse, the other end of the first power storage rope 802 is fixedly connected to a top portion of the triggering base 705, one end of the second power storage rope 803 is fixedly connected to a side end face of the power switch 4 through a thermal fuse, and the other end of the first power storage rope 802 is fixedly connected to a face of the second telescopic inner shaft 906 close to the same.

The implementation mode is specifically as follows: the plug-in type switch box 2 is electrically connected with the bus duct groove body 1 in a plug-in mode, when a power switch 4 arranged in the plug-in type switch box 2 runs, if an overheating situation occurs abnormally, even when naked fire occurs, hot fuse wires on the first force storage rope 802 and the second force storage rope 803 are fused, under the action of the reset elastic force of the second force storage spring 904, the trigger seat 705 overturns through the plug-in type linkage shaft 702, the second telescopic inner shaft 906 drives the telescopic outer barrel 902 to rotate on the inner side of the second switching frame 901, the first telescopic inner shaft 905 synchronously acts under the driving of the telescopic outer barrel 902, in the process, an elastic piece associated with the first telescopic inner shaft 905 does stretching movement in the telescopic outer barrel 902 under the action of the reset elastic force of the elastic piece, a switch on the fire extinguisher 10 is further opened, and fire extinguishing substances sprayed by the fire extinguisher 10 are wrapped on the outer surface of the power switch 4.

Specifically, as shown in fig. 3-5 and 7-8, one side of the fire extinguisher 10 away from the power switch 4 is fixedly connected with a rear supporting seat 801, the bottom of the rear supporting seat 801 is fixedly connected with the bottom of the inner side of the plug-in switch box 2, one side of the rear supporting seat 801 away from the fire extinguisher 10 is provided with a switch box cover 3, and the switch box cover 3 is fixedly connected with the opposite surface of the plug-in switch box 2.

Specifically, as shown in fig. 4 and 7, the first passive triggering assembly 7 includes a first adapter frame 704, the bottom of the first adapter frame 704 is fixedly connected to the top of the outer frame 601, an adapter coupling shaft 702 is embedded inside the first adapter frame 704, an end of the adapter coupling shaft 702 is fixedly connected to a second adapter shaft, a bearing is sleeved on a surface of the second adapter shaft, the bearing is clamped on an end surface of the inner side of the adapter frame, an end of the second adapter shaft is fixedly connected to a first torsion coupling shaft 703, a first power storage spring 701 is sleeved on a surface of the first torsion coupling shaft 703, one end of the first power storage spring 701 is fixedly connected to a surface of the first torsion coupling shaft 703, the other end of the first power storage spring 701 is fixedly connected to a surface of the first adapter frame 704, a triggering seat 705 is fixedly connected to a top of the adapter coupling shaft 702, and a side end surface of the adapter coupling shaft 702 is fixedly connected to a side end of the bridge connection frame 608.

The implementation mode specifically comprises the following steps: the switching type linkage shaft 702 rotates, the switching type linkage shaft 702 rotates and can drive the limiting clamping seat 607 to overturn through the bridge type connecting frame 608, the limiting clamping seat 607 after overturning can be separated instantly and the limiting effect on the insulating seat 606 can be relieved, and the insulating seat 606 loses the supporting force from the limiting clamping seat 607, so that under the action of the resetting elastic force of the first supporting spring 604, the sliding connecting seat 603 can drive the insulating seat 606 and the cutting knife 605 on the insulating seat 606 to slide in the sliding connecting groove 602.

Working principle, when in use:

the plug-in type switch box 2 realizes the electrical connection relation with the bus duct groove body 1 in a plug-in mode, when a power switch 4 arranged in the plug-in type switch box 2 runs, if an abnormal overheating condition occurs, even an open fire occurs, hot fusible wires on the first force storage rope 802 and the second force storage rope 803 are fused, because the first force storage spring 701 and the second force storage spring 904 are in a deformation state at the moment, when the pulling force of the first force storage rope 802 and the second force storage rope 803 respectively acting on the trigger seat 705 and the second telescopic inner shaft 906 disappears, under the action of the restoring elasticity of the first force storage spring 701, the switching type linkage shaft 702 rotates, the switching type linkage shaft 702 also rotates and drives the limit clamp seat 607 to overturn through the bridge type connecting frame 608, the overturned limit clamp seat 607 can be separated instantly and the limit effect on the insulating seat 606 can be relieved, because the insulating seat 606 loses the supporting force from the limiting clamping seat 607, at this time, under the action of the restoring elastic force of the first supporting spring 604, the sliding connecting seat 603 can drive the insulating seat 606 and the cutting knife 605 on the insulating seat 606 to slide in the sliding connecting groove 602 and move along the direction close to the plurality of lead posts 5, the cutting knife 605 in the fast moving state can simultaneously cut off the plurality of insulating posts, and the position of the cutting knife 605 corresponding to the position between the two lead posts 5 is made of an insulating material, so that the bad phenomenon of short circuit between the two adjacent lead posts 5 can be avoided, the cutting knife 605 can be abutted against the end surface of the insulating seat 606 along the slope after being cut off, the electrical connection relation between the power switch 4 and the bus duct groove body 1 can be thoroughly eliminated, the power failure can be prevented from being enlarged, and the safety can be further improved;

under the action of the restoring elasticity of the second force accumulating spring 904, the trigger seat 705 overturns through the switching type universal driving shaft 702, the second telescopic inner shaft 906 can drive the telescopic outer cylinder 902 to rotate on the inner side of the second switching frame 901, the first telescopic inner shaft 905 can synchronously move under the driving of the telescopic outer cylinder 902, in the process, an elastic part associated with the first telescopic inner shaft 905 can stretch inside the telescopic outer cylinder 902 under the action of the restoring elasticity of the elastic part, so that a switch on the fire extinguisher 10 can be opened, fire extinguishing substances sprayed out of the fire extinguisher 10 are wrapped on the outer surface of the power switch 4, namely, the naked fire is covered and suffocated through the fire extinguishing substances, the safety factor of the power switch 4 is effectively improved, the fire spreading is avoided, the safety of the environment around the trough body 1 is ensured, protective measures can be automatically taken when a fault occurs, the safety performance is high, and therefore the fire extinguishing bus duct at the position of the power switch 4 can be rapidly extinguished.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims

1. The busway plug-in switch box with the fire extinguishing capability comprises a busway groove body (1) and is characterized in that a plug-in switch box (2) is plugged into the top of the busway groove body (1), a power switch (4) is fixedly mounted on the side end face inside the plug-in switch box (2), the input end of the power switch (4) is electrically connected with a plurality of wire columns (5), a wire cut-off assembly (6) is sleeved on the periphery of each wire column (5), and the bottom of the wire cut-off assembly (6) is fixedly connected to the bottom of the inner side of the plug-in switch box (2);

the side position of power switch (4) is provided with fire extinguisher (10), one side fixedly connected with second that fire extinguisher (10) are close to power switch (4) triggers subassembly (9) passively, the perforation has been seted up to the side end face that subassembly (9) were triggered passively to the second, it is embedded to be equipped with active trigger assembly (8) to perforate, the both ends of active trigger assembly (8) respectively with the opposite face fixed connection of fire extinguisher (10) and power switch (4), the below of active trigger assembly (8) is provided with second and triggers subassembly (9) passively, the bottom fixed connection that subassembly (9) were triggered passively to the second cuts the top of subassembly (6) at the wire.

2. The bus duct plug switch box with the fire extinguishing capacity is characterized in that a wire cut-off assembly (6) comprises an outer frame (601), the outer frame (601) is sleeved on the periphery of a plurality of wire columns (5), the bottom of the outer frame (601) is fixedly connected to the bottom of the inner side of a plug switch box (2), a sliding connecting groove (602) is formed in the inner side wall of the outer frame (601), a sliding connecting groove (603) is slidably connected to the sliding connecting groove (602), a first supporting spring (604) is fixedly connected to the side end face of the sliding connecting groove (603), the other end of the first supporting spring (604) is fixedly connected to the end face of the inner side of the sliding connecting groove (602), the end face of the sliding connecting groove (603) corresponds to an insulating seat (606) of the plurality of wire columns (5), one face of the insulating seat (606) close to the plurality of wire columns (5) is fixedly connected to a cutting knife (605), and the position of the insulating seat (606) corresponding to the cutting knife (605) is arranged to be a slope surface structure.

3. The busway plugging switch box with the fire extinguishing capability according to claim 2, wherein a limit clamping seat (607) is lapped on a side end face of the insulating seat (606), a second supporting spring (609) is fixedly connected to one face, away from the plurality of wire columns (5), of the limit clamping seat (607), the other end of the second supporting spring (609) is fixedly connected with an end face of the inner side of the outer frame (601), and a bridge type connecting frame (608) is fixedly connected to the top of the limit clamping seat (607).

4. The busway plug switch box with the fire extinguishing capability according to claim 1, wherein the second passive trigger assembly (9) comprises a second adapter frame (901), a bearing is clamped on the inner side wall of the second adapter frame (901), a first adapter shaft is rotatably connected in the bearing, a telescopic outer cylinder (902) is embedded in the second adapter frame (901), the telescopic outer cylinder (902) is fixedly connected with the opposite surface of the first adapter shaft, a second torsion coupling (903) is fixedly connected to the end of the first adapter shaft, a second force accumulating spring (904) is sleeved on the surface of the second torsion coupling (903), one end of the second force accumulating spring (904) is fixedly connected to the surface of the second torsion coupling (903), and the other end of the second force accumulating spring (904) is fixedly connected with the surface of the second adapter frame (901).

5. The busway plugging switch box with the fire extinguishing capability according to claim 4, wherein a first telescopic inner shaft (905) is sleeved in a port at the top of the telescopic outer cylinder (902), one end of the first telescopic inner shaft (905) is fixedly connected with an end face at the inner side of the telescopic outer cylinder (902) through an elastic member, the other end of the first telescopic inner shaft (905) abuts against a switch on the fire extinguisher (10), a second telescopic inner shaft (906) is sleeved in a port at the bottom of the telescopic outer cylinder (902), the end of the second telescopic inner shaft (906) is fixedly connected with an end face at the inner side of the telescopic outer cylinder (902) through an elastic member, and the through hole is formed in a side end face of the second telescopic inner shaft (906).

6. The busway plug switch box with the fire extinguishing capability according to claim 1, wherein the active trigger assembly (8) comprises a rear support seat (801), a first power storage rope (802) and a second power storage rope (803), one end of the first power storage rope (802) is fixedly connected to a side end face of the power switch (4) through a hot fuse wire, the other end of the first power storage rope (802) is fixedly connected to the top of the trigger seat (705), one end of the second power storage rope (803) is fixedly connected to a side end face of the power switch (4) through a hot fuse wire, and the other end of the first power storage rope (802) is fixedly connected to a face close to the second telescopic inner shaft (906).

7. The bus duct plug switch box with the fire extinguishing capacity is characterized in that one face, away from a power switch (4), of the fire extinguisher (10) is fixedly connected with a rear supporting seat (801), the bottom of the rear supporting seat (801) is fixedly connected to the bottom of the inner side of the plug switch box (2), one side, away from the fire extinguisher (10), of the rear supporting seat (801) is provided with a switch box cover (3), and the switch box cover (3) is fixedly connected with the opposite face of the plug switch box (2).

8. The busway plug switch box with the fire extinguishing capability according to claim 1, wherein the first passive trigger assembly (7) comprises a first adapter frame (704), the bottom of the first adapter frame (704) is fixedly connected to the top of an outer frame (601), an adapter coupling shaft (702) is embedded in the first adapter frame (704), a second adapter shaft is fixedly connected to an end of the adapter coupling shaft (702), a bearing is sleeved on a surface of the second adapter shaft, the bearing is clamped on an end surface of the inner side of the adapter frame, a first torque coupling shaft (703) is fixedly connected to an end of the second adapter shaft, a first power accumulating spring (701) is sleeved on a surface of the first torque coupling shaft (703), one end of the first power accumulating spring (701) is fixedly connected to a surface of the first power coupling shaft (703), and the other end of the first power accumulating spring (701) is fixedly connected to a surface of the first adapter frame (704).

9. The busway plug switch box with the fire extinguishing capability according to claim 8, wherein a trigger seat (705) is fixedly connected to the top of the switching type linkage shaft (702), and a side end face of the switching type linkage shaft (702) is fixedly connected to one end, close to the bridge connection frame (608).