CN112701016A

CN112701016A - Outdoor fuse

Info

Publication number: CN112701016A
Application number: CN202011489982.7A
Authority: CN
Inventors: 盖玉超; 尹环环; 史丰硕
Original assignee: Shandong Institute for Product Quality Inspection
Current assignee: Shandong Institute for Product Quality Inspection
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-04-23
Anticipated expiration: 2040-12-16
Also published as: CN112701016B

Abstract

The invention discloses an outdoor fuse which comprises an insulator, wherein the upper end and the lower end of the insulator are respectively connected with a top connecting plate and a bottom connecting plate, a first conductive wire penetrates through the top connecting plate, a second conductive wire penetrates through the bottom connecting plate, a lifting mechanism is arranged between one end of the bottom connecting plate and the top connecting plate, a device box is arranged between the second conductive wire and the first conductive wire at the lower part of the top connecting plate, frame plates are fixedly arranged at two ends in the device box, the two fuse wires, the first conductive wire and the second conductive wire are fixedly connected with the frame plates through compression bolts, and an alarm device is arranged in the device box. The length of the hollow threaded pipe can be changed by rotating the threaded sleeve, so that the hollow threaded pipe can adapt to insulators with different length sizes, when the fuse wire is dissolved, the arc-shaped current conducting plate is in contact with the current conducting leading plate through the elastic action of the spring, the battery can supply power to the buzzer, and the buzzer gives an alarm, so that a worker can find the fuse wire and maintain the fuse wire in time.

Description

Outdoor fuse

Technical Field

The invention relates to the technical field of fuses, in particular to an outdoor fuse.

Background

The fuse is the most common short-circuit protection switch of 10KV distribution line branch lines and distribution transformers, and has the characteristics of economy, convenience in operation, strong outdoor environment adaptability and the like. The fuse is installed on distribution lines branch line, can effectually reduce the power failure scope. After a fuse wire of an existing fuse is burnt, a worker cannot react quickly, so that difficulties are brought to storage and quick first-aid repair of spare parts in daily operation of line equipment, and the existing fuse cannot adapt to installation of insulators with different sizes and lengths.

Disclosure of Invention

The present invention is directed to an outdoor fuse that solves the problems set forth above in the background.

In order to achieve the purpose, the invention provides the following technical scheme: an outdoor fuse comprises an insulator, wherein the upper end and the lower end of the insulator are respectively connected with a top connecting plate and a bottom connecting plate, a first conductor wire penetrates through the top connecting plate, a second conductor wire penetrates through the bottom connecting plate, a lifting mechanism is arranged between one end of the bottom connecting plate and the top connecting plate, the second conductor wire penetrates through the lifting mechanism and is inserted into the top connecting plate, a device box is arranged at the lower part of the top connecting plate between the second conductor wire and the first conductor wire, frame plates are fixedly arranged at two ends inside the device box, the upper ends of the frame plates are inserted into the top connecting plate, jacks are respectively arranged on the outer side surface of the upper ends and the inner side surface of the lower ends of the frame plates, the first conductor wire and the second conductor wire are respectively inserted into the jacks at the upper ends of the frame plates at corresponding positions, a fuse wire is connected between the jacks at the lower ends of the two, an alarm device is arranged in the device box.

Preferably, elevating system includes spacing axle bed, threaded sleeve and hollow screwed pipe, spacing axle bed fixed mounting is in end connecting plate one end, the threaded sleeve lower extreme is provided with the protrusion edge of a body structure, threaded sleeve pass through protrusion edge and spacing axle bed rotatable coupling, hollow screwed pipe upper end and top connecting plate fixed connection, hollow screwed pipe passes through the external screw thread and is connected with the threaded sleeve cooperation.

Preferably, the alarm device comprises a buzzer, a battery, an elastic pressing mechanism and a contact mechanism, the elastic pressing mechanism is used for contacting with the fuse wire, the wire inlet end of the buzzer is connected with the negative electrode of the battery, the wire outlet end of the buzzer is connected with the elastic pressing mechanism, and the positive electrode of the battery is connected with the contact mechanism.

Preferably, elasticity roof pressure mechanism includes telescope tube, inserted bar, spring, spacing dish and arc current conducting plate, telescope tube fixed mounting is at a device box inside wall, the inserted bar activity is inserted and is located the telescope tube, the fixed cover of spacing dish is established on the inserted bar surface, the spring housing is established on the inserted bar surface, and the spring is located between telescope tube and the spacing dish, arc current conducting plate and inserted bar one end fixed connection, arc current conducting plate pass through spring elastic force effect and fuse-link block, bee calling organ appear end and arc current conducting plate fixed connection.

Preferably, the contact mechanism includes electrically conductive end plate and support column, support column fixed mounting is in device box opposite side inside wall, support column and telescope tube position parallel and level, electrically conductive end plate and support column one end fixed connection, battery positive pole and electrically conductive board fixed connection that should.

Preferably, the device box is provided with a plurality of sound holes on the outer surface.

Compared with the prior art, the invention has the beneficial effects that:

the length of the hollow threaded pipe can be changed by rotating the threaded sleeve, so that the hollow threaded pipe can adapt to insulators with different length sizes, when the fuse wire is dissolved, the arc-shaped current conducting plate is in contact with the current conducting leading plate through the elastic action of the spring, the battery can supply power to the buzzer, and the buzzer gives an alarm, so that a worker can find the fuse wire and maintain the fuse wire in time.

Drawings

FIG. 1 is a schematic view of an outdoor fuse according to the present invention;

FIG. 2 is a cross-sectional view of an outdoor fuse of the present invention;

FIG. 3 is an enlarged view of the structure at B in FIG. 2;

fig. 4 is a cross-sectional view of the device cartridge of the present invention.

In the figure: 1 insulator, 2 bottom connecting plates, 3 top connecting plates, 4 limiting shaft seats, 5 threaded sleeves, 6 hollow threaded pipes, 7 device boxes, 8 first conductive wires, 9 second conductive wires, 10 frame plates, 11 fuse wires, 12 jacks, 13 compression bolts, 14 cover plates, 15 buzzers, 16 batteries, 17 telescopic sleeves, 18 inserted rods, 19 springs, 20 limiting plates, 21 arc-shaped conductive plates, 22 support columns, 23 conductive lead plates and 24 sound holes.

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. 1-4, the present invention provides a technical solution: an outdoor fuse comprises an insulator 1, wherein the upper end and the lower end of the insulator 1 are respectively connected with a top connecting plate 3 and a bottom connecting plate 2, a first conductor wire 8 penetrates through the top connecting plate 3, a second conductor wire 9 penetrates through the bottom connecting plate 2, a lifting mechanism is arranged between one end of the bottom connecting plate 2 and the top connecting plate 3, the second conductor wire 9 penetrates through the lifting mechanism and is inserted into the top connecting plate 3, a device box 7 is arranged at the lower part of the top connecting plate 3 between the second conductor wire 9 and the first conductor wire 8, frame plates 10 are fixedly arranged at two ends in the device box 7, the upper ends of the frame plates 10 are inserted into the top connecting plate 3, jacks 12 are arranged on the outer side surface of the upper end and the inner side surface of the lower end of each frame plate 10, the first conductor wire 8 and the second conductor wire 9 are respectively inserted into the jacks 12 of the frame plates 10 at corresponding, the fuse wire 11, the first conductive wire 8 and the second conductive wire 9 are all fixedly connected with the frame plate 10 through the compression bolt 13, and an alarm device is installed in the device box 7.

In this embodiment, elevating system includes spacing axle bed 4, threaded sleeve 5 and hollow screwed

pipe

6, 2 one ends of connecting plate at the bottom of spacing axle bed 4 fixed mounting, threaded sleeve 5 lower extreme is provided with the protrusion edge of a body structure, threaded sleeve 5 is along with spacing axle bed 4 rotatable coupling through the protrusion, 6 upper ends of hollow screwed pipe and 3 fixed connection of top connecting plate, hollow screwed pipe 6 is connected with threaded sleeve 5 cooperation through the external screw thread, can change hollow screwed pipe 6's length through rotating threaded sleeve 5, thereby can adapt to different length size's insulator.

In this embodiment, the alarm device includes a buzzer 15, a battery 16, an elastic pressing mechanism and a contact mechanism, the elastic pressing mechanism is used for contacting with the fusible link 11, a wire inlet end of the buzzer 15 is connected with a negative electrode of the battery 16, a wire outlet end of the buzzer 15 is connected with the elastic pressing mechanism, and a positive electrode of the battery 16 is connected with the contact mechanism.

In this embodiment, the elastic jacking mechanism includes a telescopic sleeve 17, an insertion rod 18, a spring 19, a limiting disc 20 and an arc-shaped conductive plate 21, the telescopic sleeve 17 is fixedly installed on an inner side wall of the device box 7, the insertion rod 18 is movably inserted in the telescopic sleeve 17, the limiting disc 20 is fixedly sleeved on the surface of the insertion rod 18, the spring 19 is located between the telescopic sleeve 17 and the limiting disc 20, the arc-shaped conductive plate 21 is fixedly connected with one end of the insertion rod 18, the arc-shaped conductive plate 21 is clamped with the fuse wire 11 through the elastic action of the spring 19, the appearance end of the buzzer 15 is fixedly connected with the arc-shaped conductive plate 21, and when the fuse wire 11 is fused, the arc-shaped conductive plate 21 is in contact.

In this embodiment, contact mechanism is including leading board 23 and support column 22 electrically conductive, and support column 22 fixed mounting is at 7 opposite side inside walls of device box, support column 22 and telescopic sleeve 17 position parallel and level, leading board 23 and support column 22 one end fixed connection electrically conductive, and battery 16 is anodal with electrically conductive 23 fixed connection that should, work as when arc current conducting plate 21 contacts with leading board 23 electrically conductive, battery 16 can be for the power supply of bee calling organ 15, and bee calling organ 15 will report to the police this moment, and the staff of being convenient for discovers, in time maintains the circuit.

In this embodiment, the outer surface of the device case 7 is provided with a plurality of sound holes 24 for diffusing the alarm sound.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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. The utility model provides an outdoor fuse, includes the insulator, and the lower extreme is connected with top connecting plate and end connecting plate, its characterized in that respectively on the insulator: a first conductor wire penetrates through the top connecting plate, a second conductor wire penetrates through the bottom connecting plate, a lifting mechanism is arranged between one end of the bottom connecting plate and the top connecting plate, the second electric lead penetrates through the lifting mechanism and is inserted into the top connecting plate, a device box is arranged between the second electric lead and the first electric lead at the lower part of the top connecting plate, frame plates are fixedly arranged at two ends of the inner part of the device box, the upper ends of the frame plates are inserted into the top connecting plate, jacks are arranged on the outer side surface of the upper end and the inner side surface of the lower end of each frame plate, the first conductive wire and the second conductive wire are respectively inserted into the jacks at the upper ends of the frame plates at the corresponding positions, a fuse wire is connected between the jacks at the lower ends of the two frame plates, the fuse wire, the first conductive wire and the second conductive wire are fixedly connected with the frame plate through compression bolts, and an alarm device is installed in the device box.

2. An outdoor fuse according to claim 1, characterised in that: the lifting mechanism comprises a limiting shaft seat, a threaded sleeve and a hollow threaded pipe, the limiting shaft seat is fixedly installed at one end of the bottom connecting plate, the lower end of the threaded sleeve is provided with a protruding edge of an integrated structure, the threaded sleeve is rotatably connected with the limiting shaft seat through the protruding edge, the upper end of the hollow threaded pipe is fixedly connected with the top connecting plate, and the hollow threaded pipe is connected with the threaded sleeve in a matched mode through external threads.

3. An outdoor fuse according to claim 1, characterised in that: the alarm device comprises a buzzer, a battery, an elastic jacking mechanism and a contact mechanism, wherein the elastic jacking mechanism is used for being in contact with a fuse wire, the wire inlet end of the buzzer is connected with the negative electrode of the battery, the wire outlet end of the buzzer is connected with the elastic jacking mechanism, and the positive electrode of the battery is connected with the contact mechanism.

4. An outdoor fuse according to claim 3, characterised in that: elasticity roof pressure mechanism includes telescope tube, inserted bar, spring, spacing dish and arc current conducting plate, telescope tube fixed mounting is at a device box inside wall, the inserted bar activity is inserted and is located the telescope tube, the fixed cover of spacing dish is established on the inserted bar surface, the spring housing is established on the inserted bar surface, and the spring is located between telescope tube and the spacing dish, arc current conducting plate and inserted bar one end fixed connection, arc current conducting plate pass through spring force effect and fuse-link block, bee calling organ's appearance end and arc current conducting plate fixed connection.

5. An outdoor fuse according to claim 4, characterised in that: the contact mechanism comprises an electric conduction guide plate and a support column, the support column is fixedly installed on the inner side wall of the other side of the device box, the support column is parallel and level with the telescopic sleeve, the electric conduction guide plate is fixedly connected with one end of the support column, and the battery anode is fixedly connected with the electric conduction guide plate.

6. An outdoor fuse according to claim 5, characterised in that: a plurality of sound holes are formed in the surface of the outer side of the device box.