CN113130268B

CN113130268B - Circuit breaker with handle-driven auxiliary switch

Info

Publication number: CN113130268B
Application number: CN202110430521.0A
Authority: CN
Inventors: 叶益帆; 叶杰; 叶定友; 黄中甫
Original assignee: Zhejiang Zhongyihao Technology Co ltd
Current assignee: Zhejiang Zhongyihao Technology Co ltd
Priority date: 2021-04-21
Filing date: 2021-04-21
Publication date: 2022-08-26
Anticipated expiration: 2041-04-21
Also published as: CN113130268A

Abstract

The invention relates to the technical field of switch equipment, in particular to a circuit breaker with a handle driving auxiliary switch, which comprises a single-pole right half shell and a single-pole left half shell, wherein a first handle and a second handle are installed on the inner sides of the single-pole right half shell and the single-pole left half shell, one end of the second handle is connected with a crank connecting rod, one end of the first handle is connected with an indicating sheet, the bottom of the indicating sheet is provided with a micro switch, and the bottom of the crank connecting rod is connected with a tripping mechanism through a tripping crank. The circuit breaker with the handle driving auxiliary switch is a single modulus miniature circuit breaker with the auxiliary switch and the separation tripping, the main content is that the auxiliary switch and the separation tripping of the circuit breaker are realized in a modulus, the application space of a user is saved, the cost is effectively reduced, the modularization flexible matching is realized, a microswitch is arranged below the handle in a single modulus (18 mm), the linkage is realized, the disassembly and the assembly are convenient, the assembly at each position is convenient, and the normal use is ensured.

Description

Circuit breaker with handle-driven auxiliary switch

Technical Field

The invention relates to the technical field of switch equipment, in particular to a circuit breaker with a handle-driven auxiliary switch.

Background

The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition within a prescribed time. The circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to the application range, the high-voltage and low-voltage boundary lines are relatively vague, and the circuit breakers above 3kV are generally called high-voltage electric appliances.

The standard width of the existing circuit breaker is 18mm, which is a standard module, and the common method is that a microswitch is additionally assembled outside one side on the basis of the original 18mm to increase the width of the industry standard, so that the circuit breaker is not compact enough, and the disassembly and the assembly are not convenient enough.

Disclosure of Invention

The invention aims to provide a circuit breaker with a handle-driven auxiliary switch, which aims to solve the problems in the prior art.

In order to achieve the purpose, the invention provides a circuit breaker with a handle driving auxiliary switch, which comprises a single-pole right half shell and a single-pole left half shell, wherein a first handle and a second handle are installed on the inner sides of the single-pole right half shell and the single-pole left half shell, one end of the second handle is connected with a crank connecting rod, one end of the first handle is connected with an indicating sheet, the bottom of the indicating sheet is provided with a micro switch, the bottom of the crank connecting rod is connected with a tripping mechanism through a tripping crank, and a tripping support is installed on the outer side of the tripping mechanism.

Preferably, the bottom side of the monopole right half shell and the monopole left half shell is provided with a guide rail buckle.

As preferred, the press line frame is installed to the inside bilateral symmetry of half shell on the monopole right side and half shell on the monopole left side, the screw is installed at the top of press line frame, micro-gap switch's output passes through the wire and is connected with the screw top of one side, the bottom of screw is connected with the arc extinguishing chamber through positive wiring terminal, be provided with a plurality of arc extinguishing pieces in the arc extinguishing chamber, contact arm is installed to one side of arc extinguishing chamber, indisputable support is installed to the one end of contact arm, the coil is installed on the upper portion of indisputable support, one side the press line frame bottom is through load end and indisputable leg joint, half shell on the monopole right side and half shell on the monopole left side can be replaced into half shell on the multistage left side and half shell on the multistage right side, be connected through coil and load end connection pigtail between coil and the load end, be connected through coil and contact arm connection pigtail between coil and the load end.

Preferably, a magnet is attached to an outer side of the arc extinguishing chamber.

Preferably, a second arc-striking shoe is mounted at the bottom of the arc-extinguishing chamber, and the bottom of the second arc-striking shoe is connected with the positive terminal.

Preferably, a first arc starting boot is mounted on the top of the arc extinguishing chamber.

Preferably, the indicating sheet is fixed on the inner wall of the indicating sheet through a return spring.

Preferably, the tripping mechanism comprises an armature, a lock catch is installed at one end of the armature, a first long pin is installed at one side of the lock catch, a main spring is installed at the outer side of the first long pin, and a lock ring is installed in the middle of the armature.

Preferably, one end of the lock ring is rotatably connected with the inner walls of the right half-shell and the left half-shell through a second long pin.

Preferably, a spring is mounted on the inner side of the armature.

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

1. the circuit breaker with the handle driving auxiliary switch is a single modulus miniature circuit breaker with the auxiliary switch and the separation tripping, the main content is that the auxiliary switch and the separation tripping of the circuit breaker are realized in one modulus, the application space of a user is saved, the cost is effectively reduced, the modularized flexible matching is realized, and the microswitch is arranged below the handle in a single modulus (18 mm), so that the linkage is realized.

2. The circuit breaker with the handle driving auxiliary switch is compact in structure, convenient to detach and install, and convenient to install at each position, so that normal use is guaranteed.

3. This take handle drive auxiliary switch's circuit breaker realizes the auxiliary control of lid circuit breaker switch through first handle, conveniently carries out the operation of closure and disconnection, is convenient for carry out daily use.

Drawings

FIG. 1 is a schematic illustration of an explosive structure according to the present invention;

FIG. 2 is a schematic view of the disconnected state of the present invention;

FIG. 3 is a schematic view of the present invention in a closed state;

FIG. 4 is a partial schematic structural view of the present invention;

fig. 5 is a schematic structural view of a multi-stage left half-shell and a multi-stage right half-shell according to the present invention.

The various reference numbers in the figures mean:

1. a monopolar right half shell; 2. a first handle; 3. a multi-stage left half shell; 4. a multi-stage right half shell; 5. a contact arm; 6. a first long pin; 7. a main spring; 8. an iron bracket; 9. an armature; 10. locking; 11. a locking ring; 12. a second long pin; 13. the coil and the load end are connected with a braid; 14. a lock catch rivet; 15. a spring; 16. the coil and the contact arm are connected with a braid; 17. riveting; 18. a return spring; 19. an indicator sheet; 20. a second handle; 21. a crank connecting rod; 22. a tripping bracket; 23. a crank; 24. a magnet; 25. an arc extinguishing chamber; 26. a first arc starting boot; 27. an arc extinguishing sheet; 28. a coil; 29. a second arc starting boot; 30. a load end; 31. a positive terminal; 32. a screw; 33. pressing a wire frame; 34. a guide rail fastener; 35. a microswitch; 36. a unipolar left half-shell.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example 1

The invention provides a circuit breaker with a handle driving auxiliary switch, as shown in fig. 1-5, comprising a single-pole right half shell 1 and a single-pole left half shell 36, wherein a first handle 2 and a second handle 20 are installed on the inner sides of the single-pole right half shell 1 and the single-pole left half shell 36, one end of the second handle 20 is connected with a crank connecting rod 21, one end of the first handle 2 is connected with an indicating sheet 19 for indicating the switch state, the bottom of the indicating sheet 19 is provided with a micro switch 35, two sides of the inner parts of the single-pole right half shell 1 and the single-pole left half shell 36 are symmetrically provided with wire pressing frames 33, the top of the wire pressing frame 33 is provided with a screw 32, the output end of the micro switch 35 is connected with the top of the screw 32 on one side through a lead wire to ensure the electrical connection between the micro switch 35 and the screw 32, the bottom of the screw 32 is connected with an arc extinguishing cover 25 through a positive wiring terminal 31, the arc extinguishing cover 25 is internally provided with a plurality of arc pieces 27, the arc extinguishing device is used for arc extinguishing operation, the bottom of the crank connecting rod 21 is connected with a tripping mechanism through a tripping crank 23 and used for tripping, a tripping support 22 is installed on the outer side of the tripping mechanism, a contact arm 5 is installed on one side of an arc extinguishing cover 25, an iron support 8 is installed at one end of the contact arm 5, a coil 28 is installed on the upper portion of the iron support 8, and the bottom of a wire pressing frame 33 on one side is connected with the iron support 8 through a load end 30.

In this embodiment, the guide rail fastener 34 is installed on one side of the bottom of the single-pole right half shell 1 and the single-pole left half shell 36.

Specifically, the magnet 24 is installed on the outer side of the arc-extinguishing chamber 25 for extinguishing arc.

Further, a second arc-striking boot 29 is mounted at the bottom of the arc-extinguishing chamber 25, and the bottom of the second arc-striking boot 29 is connected with a positive terminal 31 for externally connecting a positive line.

Further, a first arc starting shoe 26 is mounted on the top of the arc chute 25 for leading out the arc.

Further, indicator plate 19 is fixed on the inner wall of indicator plate 19 through return spring 18, and the return of indicator plate 19 is ensured.

Example 2

The invention also provides a circuit breaker with a handle driving auxiliary switch, as shown in fig. 1-5, comprising a single-pole right half shell 1 and a single-pole left half shell 36, wherein a first handle 2 and a second handle 20 are installed on the inner sides of the single-pole right half shell 1 and the single-pole left half shell 36, one end of the second handle 20 is connected with a crank connecting rod 21, one end of the first handle 2 is connected with an indicating sheet 19 for indicating the switch state, the bottom of the indicating sheet 19 is provided with a micro switch 35, two sides of the inner parts of the single-pole right half shell 1 and the single-pole left half shell 36 are symmetrically provided with wire pressing frames 33, the top of the wire pressing frame 33 is provided with a screw 32, the output end of the micro switch 35 is connected with the top of the screw 32 on one side through a conducting wire, the electrical connection between the micro switch 35 and the screw 32 is ensured, the bottom of the screw 32 is connected with an arc extinguishing cover 25 through a positive wiring terminal 31, the arc extinguishing cover 25 is internally provided with a plurality of arc extinguishing pieces 27, the arc extinguishing device is used for arc extinguishing operation, the bottom of the crank connecting rod 21 is connected with a tripping mechanism through a tripping crank 23 and used for tripping, a tripping support 22 is installed on the outer side of the tripping mechanism, a contact arm 5 is installed on one side of an arc extinguishing cover 25, an iron support 8 is installed at one end of the contact arm 5, a coil 28 is installed on the upper portion of the iron support 8, and the bottom of a wire pressing frame 33 on one side is connected with the iron support 8 through a load end 30.

In this embodiment, the guide rail fastener 34 is installed on one side of the bottom of the monopole right half shell 1 and the monopole left half shell 36.

Further, a second arc-striking shoe 29 is mounted at the bottom of the arc-extinguishing chamber 25, and the bottom of the second arc-striking shoe 29 is connected with a positive terminal 31 for externally connecting a positive wire.

Further, the tripping mechanism comprises an armature 9, a lock catch 10 is installed at one end of the armature 9, a first long pin 6 is installed at one side of the lock catch 10, a main spring 7 is installed at the outer side of the first long pin 6, and a lock ring 11 is installed in the middle of the armature 9 and used for locking the lock catch 10.

Further, one end of the locking ring 11 is rotatably connected to the inner walls of the monopolar right half shell 1 and the monopolar left half shell 36 by means of the second elongated pin 12.

Further, a spring 15 is mounted on the inner side of the armature 9 for fixing the armature 9.

Further, the single-pole right half shell 1 and the single-pole left half shell 36 can be replaced by the multi-stage left half shell 3 and the multi-stage right half shell 4, so that the installation of multi-stage wiring is facilitated, the coil 28 is connected with the load end 30 through the coil and load end connection braid 13, and the coil 28 is connected with the contact arm 5 through the coil and contact arm connection braid 16.

When the circuit breaker with the handle-driven auxiliary switch is used, the device is firstly installed and fixed, so that the positive wiring terminal 31 and the load end 30 are respectively externally connected with a positive wiring and an external wiring, then the second handle 20 is pulled to control the action of the tripping mechanism, and further drive the circuit breaker to be closed, and when the circuit breaker is used, the tripping mechanism trips to disconnect a circuit when a current load exists; when using, as shown in fig. 4, the activity of accessible first handle 2 drives instruction piece 19 and pushes down, make the shell fragment with micro-gap switch 35 pressfitting, thereby realize micro-gap switch 35's closure, thereby produce the route through wire and screw 32, and put through the circuit breaker through positive binding post 31, make the circuit breaker closure, when needing to break off, as shown in fig. 3, drive instruction piece 19 through first handle 2 and move, lose pressure to the shell fragment, thereby bounce the shell fragment, realize micro-gap switch 35's disconnection, and then produce the route, realize the disconnection of circuit breaker, make the auxiliary switch and the separation tripping device of circuit breaker realize in a modulus, user's application space has been practiced thrift, the cost is effectively reduced, realize the nimble apolegamy of modularization.

The foregoing shows and describes the general principles, principal features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, which fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a take handle drive auxiliary switch's circuit breaker, includes half shell (1) on the monopole right side and half shell (36) on the monopole left side, its characterized in that: a first handle (2) and a second handle (20) are mounted on the inner sides of the single-pole right half shell (1) and the single-pole left half shell (36), one end of the second handle (20) is connected with a crank connecting rod (21), one end of the first handle (2) is connected with an indicating sheet (19), a microswitch (35) is arranged at the bottom of the indicating sheet (19), the bottom of the crank connecting rod (21) is connected with a tripping mechanism through a tripping crank (23), and a tripping support (22) is mounted on the outer side of the tripping mechanism; the utility model discloses a multi-stage switch, including unipolar right half shell (1) and unipolar left half shell (36), the inside bilateral symmetry of unipolar right half shell (1) and unipolar left half shell (36) installs press line frame (33), screw (32) are installed at the top of press line frame (33), the output of micro-gap switch (35) is passed through the wire and is connected with screw (32) top of one side, the bottom of screw (32) is connected with arc-extinguishing chamber (25) through positive terminal (31), be provided with a plurality of arc-extinguishing pieces (27) in arc-extinguishing chamber (25), contact arm (5) are installed to one side of arc-extinguishing chamber (25), indisputable support (8) are installed to the one end of contact arm (5), coil (28) are installed on the upper portion of indisputable support (8), one side press line frame (33) bottom to be connected with indisputable support (8) through load end (30), unipolar right half shell (1) and unipolar left half shell (36) can be replaced into multistage left half shell (3) and multistage right half shell (4), the coil (28) is connected with the load end (30) through the coil and load end connection braid (13), and the coil (28) is connected with the contact arm (5) through the coil and contact arm connection braid (16).

2. The circuit breaker with handle driven auxiliary switch of claim 1, wherein: and a guide rail buckle (34) is arranged on one side of the bottom of the monopole right half shell (1) and the monopole left half shell (36).

3. The circuit breaker with handle driven auxiliary switch of claim 1, wherein: and a magnet (24) is arranged on the outer side of the arc extinguishing cover (25).

4. The circuit breaker with handle driven auxiliary switch of claim 1, wherein: and a second arc ignition boot (29) is installed at the bottom of the arc extinguishing cover (25), and the bottom of the second arc ignition boot (29) is connected with a positive wiring terminal (31).

5. The circuit breaker with handle driven auxiliary switch of claim 1, wherein: and a first arc ignition boot (26) is arranged at the top of the arc extinguishing cover (25).

6. The circuit breaker with handle driven auxiliary switch of claim 1, wherein: the indicating sheet (19) is fixed on the inner wall of the indicating sheet (19) through a return spring (18).

7. The circuit breaker with handle driven auxiliary switch of claim 1, wherein: the tripping mechanism comprises an armature (9), a lock catch (10) is installed at one end of the armature (9), a first long pin (6) is installed on one side of the lock catch (10), a main spring (7) is installed on the outer side of the first long pin (6), and a lock ring (11) is installed in the middle of the armature (9).

8. The circuit breaker with handle driven auxiliary switch of claim 7, wherein: one end of the lock ring (11) is rotatably connected with the inner walls of the right half-shell (1) and the left half-shell (36) through a second long pin (12).

9. The circuit breaker with handle driven auxiliary switch of claim 7, wherein: and a spring (15) is arranged on the inner side of the armature (9).