CN111952125A

CN111952125A - Ventilation type circuit switch capable of performing circuit protection

Info

Publication number: CN111952125A
Application number: CN202010891823.3A
Authority: CN
Inventors: 钟光明
Original assignee: Guangxi Nanning Hongxiang Electromechanical Equipment Co ltd
Current assignee: Guangxi Nanning Hongxiang Electromechanical Equipment Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2020-11-17

Abstract

The invention relates to the field of circuit protection, and discloses a ventilation type circuit switch capable of performing circuit protection, which comprises a switch box, wherein mounting blocks are fixedly mounted at the left end and the right end inside the bottom side of the switch box, a spring mechanism is fixedly mounted at the left end of each mounting block, a connecting piece is fixedly connected at the left end of each spring mechanism, pulleys are movably mounted at the upper side and the lower side of each connecting piece, a magnet is fixedly connected at the left end of each connecting piece, a mounting groove is formed inside the switch box, and a control switch is movably mounted in the mounting groove. When the short circuit takes place through when the circuit, it is very big to produce resistance when two conductive spring form the circular telegram return circuit, produces high fever thereupon, and the bimetallic strip that both ends are connected takes place deformation after being heated about the conductive spring, by protruding state, deformation is straight state, drives conductive spring and contracts, and pulling movable connecting rod downstream, lower electrode disconnection and the contact of copper sheet have simultaneously reached protection circuit safety's effect.

Description

Ventilation type circuit switch capable of performing circuit protection

Technical Field

The invention relates to the technical field of circuit protection, in particular to a ventilation type circuit switch capable of performing circuit protection.

Background

With the improvement of power supply requirements of power engineering, the requirements on the performance of circuit protection switches are higher and higher, when a fault occurs, the switch should neither be refused to operate nor should be operated by mistake, particularly, override misoperation is not allowed, otherwise, the serious consequences such as damage of power equipment, system fault, expansion of accident coverage and even large-area power failure are caused.

And present power consumption device is various, and power consumption pressure also increases along with it, so to the security performance requirement ratio of circuit switch, and at the power consumption peak, the inside because circular telegram electric quantity is too high pressure of control switch, makes inside various components produce the high temperature easily for the loss of internal component, and when the circuit takes place the short circuit, the user should not discover, under the untimely circumstances of outage, can make internal component damage, can lead to the damage of whole circuit when serious.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a ventilation type circuit switch capable of performing circuit protection, which has the characteristics of good ventilation, and timely powering off and reminding at the moment of circuit short circuit, and solves the problems that the internal high temperature is caused by poor ventilation and the short circuit is not easy to find in time in the existing circuit switch.

(II) technical scheme

In order to achieve the purposes of good ventilation, and timely powering off and reminding at the moment of short circuit, the invention provides the following technical scheme: a ventilation type circuit switch capable of performing circuit protection comprises a switch box, wherein mounting blocks are fixedly mounted at the left end and the right end inside the bottom side of the switch box, a spring mechanism is fixedly mounted at the left end of each mounting block, a connecting piece is fixedly connected to the left end of the spring mechanism, pulleys are movably mounted at the upper side and the lower side of the connecting piece, a magnet is fixedly connected to the left end of the connecting piece, a mounting groove is formed inside the switch box, a control switch is movably mounted in the mounting groove, a limiting groove is formed in the upper end of the control switch, a moving piece is movably mounted in the limiting groove, the upper end of the moving piece is movably mounted in the mounting groove through a hemispherical mounting piece, a power-on metal strip is fixedly connected to the upper end of the control switch, a metal block is fixedly mounted at the upper end of the power-on, the lower extreme movable mounting of movable connecting rod is in the connecting rod left and right sides, the right-hand member fixedly connected with conductive spring of connecting rod, conductive spring's right-hand member fixed connection is in the left side of bimetallic strip, the right side movable mounting of bimetallic strip is on the inside right side of switch box.

Preferably, the left and right sides of the control switch are fixedly connected with resistance wires, the right end of the resistance wire is fixedly connected to the left side of the light-emitting unit, the light-emitting unit is fixedly installed inside the unit box, the unit box is fixedly installed inside the left and right sides of the switch box, and the right side of the unit box is provided with a warning lamp which can timely remind a user when a circuit is short-circuited.

Preferably, the front side of switch box is opened and is equipped with the vent, the rear side of switch box is opened and is equipped with down the vent, the inside of lower vent is through the transition piece, and fixed mounting has cooling blade, can effectually dispel the heat in the switch box.

Preferably, the upper end of the switch box is provided with a wiring hole, and the lower end of the wiring hole is fixedly provided with a copper sheet, so that an electrifying element is arranged inside the wiring hole.

Preferably, the upper end of the movable connecting rod is movably arranged on the left side and the right side of the metal block through pins, the upper end of the metal block is provided with a lower electrode, and the lower electrode can be communicated with a circuit when being contacted with the copper sheet.

Preferably, the lower end of the control switch is provided with a magnetic pole, the pulley is movably installed in the running rail, the running rail is fixedly installed inside the bottom side of the switch box, and the running rail limits the movement of the pulley and prevents deviation.

(III) advantageous effects

Compared with the prior art, the invention provides a ventilation type circuit switch capable of protecting a circuit, which has the following beneficial effects:

1. the ventilation circuit switch capable of protecting the circuit forms a small mutual exclusion magnetic field by controlling the magnetic pole at the lower end of the switch and the bottom side inside the switch box, the magnets arranged at the left end and the right end form a small mutual exclusion magnetic field, the metal radiating blades in the middle of the magnetic field rotate due to the mutual repulsion action between the same magnetic poles, the upper ventilation opening and the lower ventilation opening are arranged in a staggered way, when the radiating blades rotate, air is absorbed from the upper ventilation opening and then is discharged through the lower ventilation opening, when the air circulates in the switch box, the working element inside the switch box can be radiated, and under the mutual repulsion action between the magnetic poles, the spring mechanism is in a motion state of continuous compression and extension, meanwhile, the magnets at the left side and the right side are in the condition of continuous approaching to and separating from each other under the rolling of the pulleys, under the motion state, the rotation speed of the magnetic field center and, the air circulation speed is increased, so that the heat dissipation effect in the switch box is more effectively improved.

2. This can carry out circuit protection's ventilation type circuit switch, through when the short circuit takes place for the circuit, receive the influence of conductive spring material, when two conductive spring formed the circular telegram return circuit, it produced resistance very big, produce the high fever thereupon, the bimetallic strip that both ends are connected about the conductive spring, take place deformation after being heated, by protruding state, deformation is straight state, it contracts to drive conductive spring and contracts, when metal spring kick-backs to both sides, pulling movable connecting rod downstream, the contact of lower electrode disconnection and copper sheet simultaneously, in time carry out the circular telegram in the switch box and break, thereby the effect of protection circuit safety has been reached.

3. This ventilation type circuit switch that can carry out circuit protection, through when the short circuit takes place for the circuit, the resistance wire that the control switch left and right sides is connected is heated the fusing, and the luminescence unit forms the intercommunication circuit with the moving part, and the luminescence unit is luminous this moment, and the warning light explodes the sudden strain of a muscle to the effect of in time reminding has been reached.

Drawings

FIG. 1 is a cross-sectional view of the structure of the present invention;

FIG. 2 is a schematic view of the spring mechanism connection of the present invention;

fig. 3 is a front view of the present invention.

In the figure: 1. a switch box; 2. a wiring hole; 3. a copper sheet; 4. a lower electrode; 5. a movable connecting rod; 6. a conductive spring; 7. a bimetal; 8. a warning light; 9. a light emitting unit; 10. a resistance wire; 11. a unit case; 12. mounting blocks; 13. a spring mechanism; 14. a pulley; 15. running a rail; 16. a connecting member; 17. a magnet; 18. a limiting groove; 19. a magnetic pole; 20. a lower vent; 21. a movable member; 22. a hemispherical mounting; 23. energizing the metal strip; 24. mounting grooves; 25. a connecting rod; 26. a metal block; 27. a control switch; 28. an upper vent; 29. and a heat dissipating blade.

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. 1-3, a ventilation circuit switch capable of protecting a circuit comprises a switch box 1, an upper vent 28 is opened on the front side of the switch box 1, a lower vent 20 is opened on the rear side of the switch box 1, a heat dissipation blade 29 is fixedly installed inside the lower vent 20 through a transition piece, the heat dissipation can be effectively performed inside the switch box 1, a wiring hole 2 is arranged at the upper end of the switch box 1, a copper sheet 3 is fixedly installed at the lower end of the wiring hole 2, so that an energizing element is arranged inside the copper sheet, installation blocks 12 are fixedly installed at the left and right ends inside the bottom side of the switch box 1, a spring mechanism 13 is fixedly installed at the left end of each installation block 12, a connecting piece 16 is fixedly connected to the left end of each spring mechanism 13, pulleys 14 are movably installed at the upper and lower sides of each connecting piece 16, a magnet 17 is fixedly connected to the left end of each connecting piece 16, an installation, the left and right sides fixedly connected with resistance wire 10 of control switch 27, the right-hand member fixed connection of resistance wire 10 is in the left side of luminescence unit 9, and luminescence unit 9 fixed mounting is in the inside of unit box 11, and unit box 11 fixed mounting is in the inside of the left and right sides of switch box 1, and the right side of unit box 11 is provided with warning light 8, when the circuit takes place the short circuit, in time reminds the user.

The upper end of the control switch 27 is provided with a limit groove 18, a movable part 21 is movably arranged in the limit groove 18, the upper end of the movable part 21 is movably arranged in the mounting groove 24 through a hemispherical mounting part 22, the lower end of the control switch 27 is provided with a magnetic pole 19, the pulley 14 is movably arranged in the running rail 15, the running rail 15 is fixedly arranged in the bottom side of the switch box 1, the running rail 15 limits the movement of the pulley 14 to prevent deviation, the upper end of the control switch 27 is fixedly connected with an electrified metal strip 23, the upper end of the electrified metal strip 23 is fixedly provided with a metal block 26, the left end and the right end of the metal block 26 are movably connected with movable connecting rods 5, the upper ends of the movable connecting rods 5 are movably arranged at the left side and the right side of the metal block 26 through pins, the upper end of the metal block 26 is provided with a lower electrode 4, when the lower electrode, the right-hand member fixedly connected with conductive spring 6 of connecting rod 25, conductive spring 6's right-hand member fixed connection is in the left side of bimetallic strip 7, and the right side movable mounting of bimetallic strip 7 is on the inside right side of switch box 1.

The working principle is as follows: firstly, a user needs to fixedly mount the separated poles of the electric wires on the binding posts in the wiring holes 2, then push the control switch 27 upwards to electrify the electric wires, after the control switch 27 moves upwards, the magnetic poles 19 at the lower end of the control switch 27 and the bottom side in the switch box 1 and the magnets 17 arranged at the left end and the right end form a small mutual repulsion magnetic field, due to the mutual repulsion action between the same magnetic poles 19, the metal radiating blades 29 in the middle of the magnetic field rotate under the mutual repulsion action between the magnetic poles 19, the lower ventilation openings 20 are arranged below the metal radiating blades 29, the upper ventilation openings 28 are arranged at the front side of the switch box 1, the upper ventilation openings 28 and the lower ventilation openings 20 are staggered, when the radiating blades 29 rotate, the air is absorbed by the upper ventilation openings 28 and then discharged through the lower ventilation openings 20, and when the air circulates in the switch box 1, the working elements in the switch box 1 can be radiated, under the action of mutual repulsion between the magnetic poles 19, the spring mechanism 13 is in a motion state of continuous compression and extension, and the magnets 17 on the left and right sides are in a condition of continuous mutual approaching and departing under the rolling of the pulleys 14, under the motion state, the magnetic field center can be accelerated, the rotation speed of the metal radiating fins can be increased, the air circulation speed can be increased, so that the heat radiating effect in the switch box 1 can be effectively improved, when the switch box 1 is in a use process and short circuit occurs, the conductive springs 6 movably connected with the left and right sides of the metal block 26 through the movable connecting rod 5 form an electrifying loop which is influenced by the material of the conductive springs 6, when the two conductive springs 6 form the electrifying loop, the resistance is very large, high heat is generated accordingly, the bimetallic strips 7 connected with the left and right ends of the conductive springs 6 deform after being heated, and the deformation is in a convex state and is in a, when the bimetallic strip 7 at the left end and the right end is heated and deformed, the conductive spring 6 is driven to retract, and when the bimetallic strip 7 is deformed to be in a straight state, the conductive spring 6 can be driven to rebound, when the metal spring rebounds to two sides, the movable connecting rod 5 is pulled to move downwards, meanwhile, the lower electrode 4 is disconnected from the copper sheet 3, the switch box 1 is powered on and disconnected in time, the protection circuit is safe, the resistance wire 10 connected with the control switch 27 is controlled simultaneously, the heating and fusing are realized, the light-emitting unit 9 and the moving part 21 form a communication circuit, the light-emitting unit 9 emits light at the moment, the warning lamp 8 flashes explosively, and related personnel are reminded to process in.

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. A ventilation type circuit switch capable of circuit protection comprises a switch box (1), and is characterized in that: the switch box is characterized in that mounting blocks (12) are fixedly and uniformly mounted at the left end and the right end inside the bottom side of the switch box (1), a spring mechanism (13) is fixedly mounted at the left end of each mounting block (12), a connecting piece (16) is fixedly connected to the left end of each spring mechanism (13), pulleys (14) are movably mounted at the upper side and the lower side of each connecting piece (16), a magnet (17) is fixedly connected to the left end of each connecting piece (16), a mounting groove (24) is formed inside the switch box (1), a control switch (27) is movably mounted in each mounting groove (24), a limiting groove (18) is formed in the upper end of each control switch (27), a moving part (21) is movably mounted inside each limiting groove (18), the upper end of each moving part (21) is movably mounted inside each mounting groove (24) through a hemispherical mounting part (22), and an electrifying metal strip (23) is, the utility model discloses a switch box, including circular telegram metal strip (23), upper end fixed mounting has metal block (26), both ends swing joint has movable connecting rod (5) about metal block (26), both sides about the lower extreme movable mounting of movable connecting rod (5) are controlled in connecting rod (25), the right-hand member fixedly connected with conductive spring (6) of connecting rod (25), the right-hand member fixed connection of conductive spring (6) is in the left side of bimetallic strip (7), the right side movable mounting of bimetallic strip (7) is on the inside right side of switch box (1).

2. A circuit protection ventilation type circuit switch according to claim 1, wherein: the left and right sides fixedly connected with resistance wire (10) of control switch (27), the right-hand member fixed connection of resistance wire (10) is in the left side of luminescence unit (9), luminescence unit (9) fixed mounting is in the inside of unit box (11), unit box (11) fixed mounting is in the inside of switch box (1) left and right sides, the right side of unit box (11) is provided with warning light (8).

3. A circuit protection ventilation type circuit switch according to claim 1, wherein: the front side of switch box (1) is opened and is equipped with vent (28), vent (20) down are opened to the rear side of switch box (1), there are radiator vane (29) in the inside of vent (20) down through transition piece fixed mounting.

4. A circuit protection ventilation type circuit switch according to claim 1, wherein: the upper end of the switch box (1) is provided with a wiring hole (2), and the lower end of the wiring hole (2) is fixedly provided with a copper sheet (3).

5. A circuit protection ventilation type circuit switch according to claim 1, wherein: the upper end of the movable connecting rod (5) is movably arranged on the left side and the right side of the metal block (26) through pins, and the upper end of the metal block (26) is provided with a lower electrode (4).

6. A circuit protection ventilation type circuit switch according to claim 1, wherein: the lower end of the control switch (27) is provided with a magnetic pole (19), the pulley (14) is movably installed in the running rail (15), and the running rail (15) is fixedly installed inside the bottom side of the switch box (1).