CN213878604U

CN213878604U - Bus plug capable of performing overheat protection

Info

Publication number: CN213878604U
Application number: CN202022057805.3U
Authority: CN
Inventors: 姚军
Original assignee: Jiangsu Yibao Electric Technology Co ltd
Current assignee: Donghao Electric Jiangsu Co ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-08-03
Anticipated expiration: 2030-09-18

Abstract

The utility model discloses a bus plug capable of carrying out overheat protection, which comprises an insulating shell and an inserting plate embedded in the wall body, wherein two inserting connectors are fixedly arranged on the side wall of one side of the insulating shell, matched inserting grooves are embedded on the side wall of the inserting plate, the inserting connectors are inserted in the inserting grooves, one end of the inserting connector, which is far away from the inserting plate, is fixedly provided with a fixed block, a bus is penetrated in the fixed block, the bus penetrates through the side wall of the insulating shell and extends into the insulating shell, a plurality of sub-wires are arranged in the bus, a heat conduction ring is sleeved outside the sub-wires together and is arranged in the fixed block, two heat conduction cavities are fixedly arranged on the side wall of the heat conduction ring, a fixed cylinder is transversely arranged in the inserting connector, the heat conduction cavities penetrate through the side wall of the insulating shell and are communicated with the fixed cylinder, when the upper line temperature of the bus reaches 40 degrees, the plug can be automatically ejected out, so that safety accidents are prevented.

Description

Bus plug capable of performing overheat protection

Technical Field

The utility model relates to a generating line technical field especially relates to a can carry out overheat protection's bus-bar plug.

Background

Along with the emergence of modern engineering facilities and equipment, the power consumption of various industries is increased rapidly, particularly, a plurality of high-rise buildings and large-scale factory workshops appear, the traditional cable serving as a power transmission lead cannot meet the requirement in a large-current transmission system, the parallel connection of a plurality of cables brings inconvenience to field installation construction connection, the plug-in type bus duct serves as a novel power distribution lead, compared with the traditional cable, the superiority of the plug-in type bus duct is fully embodied during large-current transmission, meanwhile, due to the adoption of a new technology and a new process, the contact resistance and the temperature rise at the connecting part at the two ends of the bus duct and the plug-in part of a branching port are greatly reduced, meanwhile, the suitable working environment temperature of the bus is between-25 degrees and 40 degrees, and when the temperature exceeds the temperature range, safety accidents are easy to happen;

when the existing bus plug is used, the existing bus plug is simply inserted into a slot of a plug board, when a bus short circuit or other problems occur, the temperature of the bus can be quickly raised to be more than 40 ℃, the temperature exceeds the upper limit temperature of the bus work, if workers do not find the bus plug in time, a series of safety problems or even safety accidents occur, and accordingly the bus plug capable of performing overheat protection is provided.

SUMMERY OF THE UTILITY MODEL

Problem to prior art existence, the utility model provides a bus plug that can carry out overheat protection has realized when reaching the temperature of going up the standard grade 40 degrees of generating line, can be automatic carry out ejecting to the plug, prevents the emergence of incident.

The utility model provides a technical scheme of above technical problem: the utility model provides a can carry out overheat protection's bus-bar plug, include the insulating casing and inlay the picture peg of establishing in the wall body, fixed two bayonet joints that are equipped with on the lateral wall of insulating casing one side, it is equipped with assorted slot to inlay on the lateral wall of picture peg, the bayonet joint is pegged graft in the slot, the fixed block that is equipped with of one end that the picture peg was kept away from to the bayonet joint, it is equipped with the generating line to run through in the fixed block, the generating line runs through the lateral wall of insulating casing and extends into the insulating casing and sets up, be equipped with a plurality of sub-lines in the generating line, the sub-line is overlapped jointly and is equipped with the heat conduction ring, the heat conduction ring sets up in the fixed block, just fixed two heat conduction chambeies that are equipped with on the lateral wall of heat conduction ring, transversely be equipped with fixed section of thick bamboo in the bayonet joint, the heat conduction chamber runs through the lateral wall of insulating casing and is linked together with fixed section of thick bamboo and sets up, it is equipped with the sliding block to slide in the fixed section of thick bamboo, the fixed push rod that is equipped with on one side lateral wall of sliding block, the push rod is arranged at one side close to the inserting plate, memory alloy is fixedly arranged on the side wall of the other side of the sliding block, and the other end of the memory alloy is fixedly arranged on the inner side wall of the inserting joint.

The utility model discloses the technical scheme who further injects does:

preferably, the fixed block and the bus bar are integrally formed, and the fixed block is made of hard rubber with good insulation property.

Preferably, the communicating part of the heat conducting cavity and the fixed cylinder is arranged near the lower end of the memory alloy.

Preferably, the thickness of sliding block is 1CM setting, be smooth setting between the lateral wall of sliding block and the fixed cylinder.

Preferably, the push rod is close to the fixed push pedal that is equipped with of one end of picture peg, the push pedal is insulating natural rubber material.

The utility model has the advantages that: the utility model discloses a heat conduction ring, a fixed section of thick bamboo, mutually support of heat conduction chamber and memory alloy, make the generating line when reaching its upper limit temperature 40 degrees, under the effect in heat conduction ring and heat conduction chamber, the temperature can be timely is sensed by memory alloy, thereby make memory alloy reply original straight line form, and at the in-process that warp, the promotion push rod removes, thereby make push pedal and picture peg offset, thereby it is ejecting with the plug, the effectual emergence that prevents the incident, setting up of a fixed section of thick bamboo simultaneously makes the heat can be rapid by memory alloy to sense, and can carry on spacingly to the direction of release of push rod, the slope phenomenon that the push rod probably takes place at the removal in-process has been prevented simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

in the figure: 1 insulating shell, 2 plug connectors, 3 plug boards, 4 slots, 5 fixing blocks, 6 bus bars, 7 sub-lines, 8 heat conducting rings, 9 fixing cylinders, 10 heat conducting cavities, 11 memory alloy, 12 sliding blocks and 13 push rods.

Detailed Description

Example 1

The embodiment provides a bus plug capable of carrying out overheat protection, the structure of which is shown in figure 1-2, and the bus plug comprises an insulating shell 1 and an inserting plate 3 embedded in a wall body, two inserting connectors 2 are fixedly arranged on the side wall of one side of the insulating shell 1, matched inserting grooves 4 are embedded in the side wall of the inserting plate 3, the inserting connectors 2 are inserted in the inserting grooves 4, a fixed block 5 is fixedly arranged at one end of each inserting connector 2 far away from the inserting plate 3, a bus 6 penetrates through the fixed block 5, the fixed block 5 and the bus 6 are integrally formed, the fixed block 5 is made of hard rubber with good insulating property, the bus 6 can be well limited and guided while electric leakage is prevented, the bus 6 penetrates through the side wall of the insulating shell 1 and extends into the insulating shell 1, a plurality of sub-wires 7 are arranged in the bus 6, a heat conducting ring 8 is sleeved outside the sub-wires 7 together, and the heat conducting ring 8 is arranged in the fixed block 5, two heat conducting cavities 10 are fixedly arranged on the side wall of the heat conducting ring 8, a fixed barrel 9 is transversely arranged in the plug-in connector 2, the heat conducting cavities 10 penetrate through the side wall of the insulating shell 1 and are communicated with the fixed barrel 9, the communicated part of the heat conducting cavities 10 and the fixed barrel 9 is arranged at the lower end close to the memory alloy 11, so that the memory alloy 11 can timely sense the temperature change and quickly make corresponding reaction, a sliding block 12 is arranged in the fixed barrel 9 in a sliding manner, the thickness of the sliding block 12 is set to be 1CM, the side wall of the sliding block 12 and the fixed barrel 9 are smoothly arranged, the sliding block 12 is prevented from inclining in the sliding process, a push rod 13 is fixedly arranged on the side wall of one side of the sliding block 12, a push plate is fixedly arranged at one end of the push rod 13 close to the plug board 3, the push plate is made of insulating natural rubber material and can well abut against the plug board 3 without scratching the surface of the plug board 3, the process is more smooth, the push rod 13 is arranged at one side close to the inserting plate 3, the memory alloy 11 is fixedly arranged on the other side wall of the sliding block 12, the memory alloy 11 is made of a nickel-titanium alloy material, the crystal structures of the nickel-titanium alloy are different between 40 ℃ and below 40 ℃, when the temperature is changed at 40 ℃, the alloy contracts or expands to change the shape of the memory alloy, the 40 ℃ is the 'transformation temperature' of the nickel-titanium memory alloy 11, the memory alloy is made into a linear shape and is in a stable state at high temperature, and when the memory alloy is circularly wound into a spiral shape at room temperature, the memory alloy is in an unstable state, so that the memory alloy can be immediately restored to the linear shape in the original stable state as long as the memory alloy is heated to the transformation temperature, the other end of the memory alloy 11 is fixedly arranged on the inner side wall of the inserting head 2, and the memory alloy is fixedly arranged on the inner side wall of the inserting head 2 through the heat conducting ring 8, Fixed cylinder 9, heat conduction chamber 10 and memory alloy 11 mutually support, make generating line 6 when reaching its upper limit temperature 40 degrees, under the effect of heat conduction ring 8 and heat conduction chamber 10, the temperature can be timely is sensed by memory alloy 11, thereby make memory alloy 11 reply original straight line form, and at the in-process of deformation, promote push rod 13 and remove, thereby make push pedal and picture peg 3 offset, thereby ejecting the plug, the effectual emergence that prevents the incident, setting up of fixed cylinder 9 makes the heat can be rapid by memory alloy 11 to sense simultaneously, and can carry on spacingly to the direction of release of push rod 13, the tilting phenomenon that push rod 13 probably takes place at the removal in-process has been prevented simultaneously.

This embodiment is when using, insert in the slot 4 on the picture peg 3 with bayonet joint 2, when taking place the short circuit, the temperature of generating line 6 can rise sharply, perhaps ambient temperature is higher than 40 degrees, all can have the heat to transmit in the fixed section of thick bamboo 9 through heat conduction ring 8 and heat conduction chamber 10, make memory alloy 11 warp, and reply original straight line form, release push rod 13, make the push pedal offset and promote with picture peg 3, automatic ejecting with the plug, the condition emergence such as short circuit fire has been prevented, the effectual incident of having avoided.

In addition to the above embodiments, the present invention can also have other embodiments, and all technical solutions formed by equivalent replacement or equivalent transformation are all within the protection scope claimed in the present invention.

Claims

1. The utility model provides a can carry out overheat protection's bus-bar plug, includes insulating casing (1) and inlays picture peg (3) of establishing in the wall body, fixed two bayonet joint (2) of being equipped with on insulating casing (1) one side lateral wall, inlay on the lateral wall of picture peg (3) and be equipped with assorted slot (4), bayonet joint (2) are pegged graft in slot (4), its characterized in that, the fixed block (5) that is equipped with of one end that picture peg (3) were kept away from in bayonet joint (2), it is equipped with generating line (6) to run through in fixed block (5), generating line (6) run through the lateral wall of insulating casing (1) and extend into insulating casing (1) and set up, be equipped with a plurality of sub-line (7) in generating line (6), sub-line (7) outer common cover is equipped with heat conduction ring (8), heat conduction ring (8) set up in fixed block (5), just fixed two heat conduction chambeies (10) of being equipped with on the lateral wall of heat conduction ring (8), transversely be equipped with solid fixed cylinder (9) in bayonet joint (2), heat conduction chamber (10) run through the lateral wall of insulating casing (1) and are linked together the setting with solid fixed cylinder (9), it is equipped with sliding block (12) to slide in solid fixed cylinder (9), the fixed push rod (13) that is equipped with on one side lateral wall of sliding block (12), one side setting near picture peg (3) is being close to in push rod (13), the fixed memory alloy (11) that is equipped with on the opposite side lateral wall of sliding block (12), the other end of memory alloy (11) is fixed to be set up on the inside wall of bayonet joint (2).

2. The bus bar plug capable of overheat protection according to claim 1, wherein the fixing block (5) and the bus bar (6) are integrally formed, and the fixing block (5) is made of hard rubber with good insulation.

3. The bus bar plug capable of overheat protection according to claim 1, wherein the communicating portion of the heat conducting chamber (10) and the fixed cylinder (9) is provided near the lower end of the memory alloy (11).

4. The bus bar plug capable of performing overheat protection according to claim 1, wherein the thickness of the sliding block (12) is set to be 1CM, and the side wall of the sliding block (12) and the fixed cylinder (9) are smoothly arranged.

5. The bus plug capable of performing overheat protection according to claim 1, wherein a push plate is fixedly arranged at one end of the push rod (13) close to the inserting plate (3), and the push plate is made of an insulating natural rubber material.