CN213716823U

CN213716823U - Novel circuit breaker for electrical equipment control

Info

Publication number: CN213716823U
Application number: CN202120070573.7U
Authority: CN
Inventors: 田文君; 田铭兴; 王明元; 孙志强; 孙立军; 吴艾玲
Original assignee: Lanzhou Jiaotong University
Current assignee: Lanzhou Jiaotong University
Priority date: 2021-01-12
Filing date: 2021-01-12
Publication date: 2021-07-16
Anticipated expiration: 2031-01-12

Abstract

The utility model discloses a novel circuit breaker for electrical equipment control, which comprises a rear cover and a main machine seat, wherein the main machine seat is arranged at the front end of the rear cover, the front end of the middle section of the main machine seat is provided with a switch seat, the inside of the upper end and the inside of the lower end of the main machine seat are respectively provided with an anode wiring hole and a cathode wiring hole with outward openings, the transverse insides of the upper end and the lower end of the main machine seat close to the upper end and the lower end of the main machine seat are respectively penetrated with wiring fixing screws, the rear cover of the circuit breaker for electrical equipment control is prolonged, a novel electric wire reinforcing device is additionally arranged at the front sides of the upper end and the lower end of the prolonged rear cover, the electric wire reinforcing device can prevent electric wires from generating looseness easily in the anode wiring holes and the normal work of the circuit breaker from being influenced when the electric wires are pulled, and can also avoid the, thereby increasing the use stability and safety of the whole circuit breaker for controlling the electrical equipment.

Description

Novel circuit breaker for electrical equipment control

Technical Field

The utility model belongs to the technical field of the circuit breaker is relevant, concretely relates to novel circuit breaker for electrical equipment control.

Background

The circuit breaker is a switching device which can close, bear and break the current under the condition of a normal loop and can close, bear and break the current under the condition of an abnormal loop within a specified time, the circuit breaker is divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to the using range, the dividing of the high-voltage and low-voltage boundary lines is fuzzy, the circuit breaker is generally called as a high-voltage electrical appliance with the voltage of more than 3kV, the circuit breaker can be used for distributing electric energy, an asynchronous motor is not frequently started, a power supply circuit, the motor and the like are protected, the circuit can be automatically cut off when the circuit breaker has serious faults of overload, short circuit, undervoltage and the like, the function of the circuit breaker is equivalent to the combination of a fuse type switch, an over-under-heat relay and the like, the parts are not required to be changed after the fault current is broken, the generation, the transmission and the use, the low-voltage circuit breaker is an electric appliance with a large using amount.

The existing breaker technology for controlling electrical equipment has the following problems: the existing circuit breaker for electrical equipment control needs to be in butt joint with external positive and negative electric wires when in use so as to be normally used, the positive and negative electric wires need to be inserted into positive and negative wiring holes in the circuit breaker and fixed through screws, and the electric motor fixed in the positive and negative wiring holes is easy to loosen when pulled, and the electric wires are easy to electrify unstably if loosened, so that the working stability of the circuit breaker can be influenced, electric sparks are easy to generate if the electric wires are loosened, and fire hazards can be easy to occur if the electric wires are easy to generate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel circuit breaker for electrical equipment control to solve the motor of proposing in the above-mentioned background art when fixing in positive negative pole wiring hole and receive when dragging then can produce easily not hard up, and the electric wire produces not hard up then the circular telegram unstability appears easily, thereby can influence the job stabilization nature of circuit breaker, and the electric wire produces not hard up electric spark of appearing easily, then can appear the problem of conflagration hidden danger easily like this.

In order to achieve the above object, the utility model provides a following technical scheme: a novel circuit breaker for controlling electrical equipment comprises a rear cover and a main machine seat, wherein the main machine seat is installed at the front end of the rear cover, a switch seat is arranged at the front end of the middle section of the main machine seat, an anode wiring hole and a cathode wiring hole with outward openings are respectively arranged inside the upper end and the lower end of the main machine seat, wiring fixing screws penetrate through the transverse inner parts of the upper end and the lower end of the main machine seat, the outer walls of the left end and the right end of the main machine seat are respectively provided with a lateral reinforcing screw hole with outward openings, the front ends of the upper side and the lower side of the rear cover are respectively provided with an electric wire reinforcing device, a handle groove with a forward opening is arranged inside the front end of the switch seat, an operating handle is penetrated through the inside of the handle groove outwards, a reset button is arranged on the upper side of the handle groove, and the electric wire reinforcing device comprises an insulating reinforcing block A, a semicircular wire, insulating reinforcement piece A is connected on the outer wall of back lid one end front end, insulating reinforcement piece A's front side is provided with insulating reinforcement piece B, insulating reinforcement piece A front end is close to the vertical inside in both sides and insulating reinforcement piece B rear end is close to the vertical inside in both sides and all is provided with semicircle card wire casing, four all be provided with insulating protection pad on the inner wall of semicircle card wire casing, insulating reinforcement piece A and insulating reinforcement piece B both ends are all through locking screw fixed connection.

Preferably, the vertical length of back lid is greater than the vertical length of host computer seat, back lid and host computer seat pass through buckle and screw fixed connection, the upper and lower both ends of host computer seat all do not cover the electric wire reinforcing apparatus contact at both ends from top to bottom with the back.

Preferably, the shell of back lid, host computer seat and the shell of switch seat all adopt fire-retardant high temperature resistant and insulating plastics material to make, host computer seat and switch seat make through integrated into one piece mode an organic whole.

Preferably, the operating handle is in a power-on working state after rotating upwards to a maximum angle, the operating handle is in a power-off working state after rotating downwards to the maximum angle, and the operating handle can be switched from the power-on state to the power-off state after the reset button is pressed.

Preferably, anodal wiring hole and negative pole wiring hole are the round hole, all fix through the wiring fixed screw after anodal wiring hole and negative pole wiring downthehole portion insert the electric wire, the front end of wiring fixed screw adopts insulating processing.

Preferably, the cross section shapes of the semicircular wire clamping grooves in the insulating reinforcing block A and the insulating reinforcing block B are circular, the circle centers of the semicircular wire clamping grooves in the insulating reinforcing block A and the insulating reinforcing block B are vertically coincided with the circle center of the positive wiring hole, and the diameter of each semicircular wire clamping groove is smaller than that of the positive wiring hole.

Compared with the prior art, the utility model provides a novel circuit breaker for electrical equipment control possesses following beneficial effect:

1. the utility model extends the rear cover of the circuit breaker for controlling the electrical equipment, and a novel wire reinforcing device is added on the front sides of the upper end and the lower end of the extended rear cover, when the whole circuit breaker for controlling the electrical equipment is installed and needs to be connected, the electric wire can be inserted into the positive and negative wiring holes for fixing only by penetrating through the electric wire reinforcing device, at this time, the outer ends of the electric wires inserted into the positive and negative wiring holes can be reinforced by locking the electric wire reinforcing device, thus, the electric wire connected with the circuit breaker can be fixed more firmly, the electric wire is prevented from being easily loosened in the positive and negative wiring holes when being pulled and affecting the normal work of the circuit breaker, meanwhile, the situation that electric sparks are generated and fire disasters are caused after electric wires fixed in the positive and negative wiring holes are loosened can be avoided, so that the use stability and the safety of the whole circuit breaker for controlling the electrical equipment are improved;

2. the utility model discloses a specific application method of electric wire reinforcing apparatus is as follows, when needs connect the external electric wire and positive pole wiring hole fixedly, insulating reinforcement piece A and insulating reinforcement piece B on the electric wire reinforcing apparatus are in the state of laminating closely fixedly at this moment, so need unscrew two locking screws, make insulating reinforcement piece A and insulating reinforcement piece B separate, then need insert the electric wire into the corresponding semicircle card wire casing of insulating reinforcement piece A and insulating reinforcement piece B inside, then insert the electric wire in the positive pole wiring hole and fix the electric wire through the wiring fixed screw completely, then need relock two locking screws, make the semicircle card wire casing on insulating reinforcement piece A and insulating reinforcement piece B block fixedly outside the front and back two halves section of electric wire respectively, then continue locking two locking screws, make the electric wire firmly fix in the corresponding semicircle card wire casing of insulating reinforcement piece A and insulating reinforcement piece B inside, therefore, the electric wire can be reinforced secondarily by the electric wire reinforcing device while being fixed by the wiring fixing screw in the positive wiring hole, the anti-pulling performance of the electric wire is improved, the electric wire is prevented from being loosened in the positive wiring hole when pulled, and the use stability of the whole circuit breaker for controlling the electrical equipment is improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic view of an overall structure of a novel circuit breaker for electrical equipment control and a wire reinforcement device provided by the present invention;

fig. 2 is a schematic view of an individual three-dimensional structure of a novel circuit breaker for controlling electrical equipment according to the present invention;

fig. 3 is a schematic structural view of a front plan view of a novel circuit breaker for controlling electrical equipment according to the present invention;

fig. 4 is a schematic perspective view of the wire reinforcing device according to the present invention;

in the figure: 1. a wire reinforcement device; 2. a rear cover; 3. a main machine base; 4. a switch base; 5. reinforcing a screw hole on the side surface; 6. a reset button; 7. a handle slot; 8. an operating handle; 9. a positive wiring hole; 10. a wiring fixing screw; 11. an insulating reinforcing block A; 12. a semicircular wire clamping groove; 13. an insulating protection pad; 14. an insulating reinforcing block B; 15. and locking the screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a novel circuit breaker for controlling electrical equipment comprises a rear cover 2 and a main machine base 3, wherein the main machine base 3 is arranged at the front end of the rear cover 2, a switch base 4 is arranged at the front end of the middle section of the main machine base 3, the rear cover 2, the shell of the main machine base 3 and the shell of the switch base 4 are made of flame-retardant high-temperature-resistant and insulating plastic materials, the main machine base 3 and the switch base 4 are integrally formed in an integral forming mode, the vertical length of the rear cover 2 is greater than that of the main machine base 3, the rear cover 2 and the main machine base 3 are fixedly connected through a buckle and a screw, the upper end and the lower end of the main machine base 3 are not in contact with electric wire reinforcing devices 1 at the upper end and the lower end of the rear cover 2, when the circuit breaker needs to be maintained, the main machine base 3 can be directly disassembled, the circuit breaker can be rapidly maintained and replaced, an anode wiring hole 9 and a cathode wiring hole with outward, the positive wiring hole 9 and the negative wiring hole are round holes, wires are inserted into the positive wiring hole 9 and the negative wiring hole and then are fixed through the wiring fixing screws 10, the front end of the wiring fixing screws 10 is subjected to insulation treatment, the positive electrode and the negative electrode need to be distinguished during wiring, the positive wire needs to be inserted into the positive wiring hole 9 in the top end of the main machine base 3, then the positive wire inserted into the positive wiring hole 9 is locked through the wiring fixing screws 10, then the negative wire is inserted into the negative wiring hole in the bottom end of the main machine base 3, then the negative wire is fixed through the wiring fixing screws 10, then the operation handle 8 is electrified and pushed upwards, so that the whole circuit breaker is in an electrified working state, the circuit breaker is installed and used, and the wiring fixing screws 10 penetrate through the transverse inner parts of the upper end and the lower end of the main machine base 3, the outer walls of the left end and the right end of the main machine seat 3 are internally provided with lateral reinforcing screw holes 5 with outward openings, the front ends of the upper side and the lower side of the rear cover 2 are respectively provided with an electric wire reinforcing device 1, the front end of the switch seat 4 is internally provided with a handle groove 7 with a forward opening, the inside of the handle groove 7 is penetrated with an operating handle 8 outwards, the upper side of the handle groove 7 is provided with a reset button 6, the operating handle 8 is in a power-on working state after rotating upwards to the maximum angle, the operating handle 8 is in a power-off working state after rotating downwards to the maximum angle, the operating handle 8 can be converted into the power-off state from the power-on state after the, when the electrical equipment controlled by the circuit breaker needs to be maintained, the circuit breaker needs to be powered off by pressing the reset button 6, and the circuit breaker is powered off, so that the controlled electrical equipment can be powered off, and the electrical equipment controlled by the circuit breaker can be safely repaired and replaced.

A novel circuit breaker for controlling electrical equipment, an electric wire reinforcing device 1 comprises an insulating reinforcing block A11, semicircular wire clamping grooves 12, insulating protection pads 13, an insulating reinforcing block B14 and locking screws 15, wherein the insulating reinforcing block A11 is connected to the outer wall of the front end of one end of a rear cover 2, the front side of the insulating reinforcing block A11 is provided with an insulating reinforcing block B14, the front end of the insulating reinforcing block A11 is close to the vertical inner parts of two sides and the rear end of the insulating reinforcing block B14 is close to the vertical inner parts of two sides, the inner walls of the four semicircular wire clamping grooves 12 are provided with the insulating protection pads 13, the two ends of the insulating reinforcing block A11 and the two ends of the insulating reinforcing block B14 are fixedly connected through the locking screws 15, the cross section shapes of the semicircular wire clamping grooves 12 on the insulating reinforcing block A11 and the insulating reinforcing block B14 are circular, the circle centers of the semicircular wire clamping grooves 12 on the insulating reinforcing block A11 and the insulating reinforcing block B14 are vertically coincide, the diameter of the semicircular wire clamping groove 12 is smaller than that of the positive electrode wiring hole 9, when an external electric wire needs to be connected and fixed with the positive electrode wiring hole 9, the insulating reinforcing block A11 on the electric wire reinforcing device 1 and the insulating reinforcing block B14 are in a tightly attached and fixed state, so two locking screws 15 need to be unscrewed to separate the insulating reinforcing block A11 from the insulating reinforcing block B14, then the electric wire needs to be inserted into the semicircular wire clamping grooves 12 corresponding to the insides of the insulating reinforcing block A11 and the insulating reinforcing block B14, then the electric wire is completely inserted into the positive electrode wiring hole 9 and fixed by the wire fixing screws 10, then the two locking screws 15 need to be locked again to enable the semicircular wire clamping grooves 12 on the insulating reinforcing block A11 and the insulating reinforcing block B14 to be clamped and fixed outside the front and rear sections of the electric wire respectively, then the two locking screws 15 are continuously locked, and the electric wire is firmly fixed on the insulating reinforcing block A11 and the semicircular wire clamping grooves corresponding inside the insulating block B14 12, so that the electric wire can be secondarily reinforced by the electric wire reinforcing device 1 while being fixed by the wiring fixing screw 10 in the positive wiring hole 9, thereby increasing the anti-pulling performance of the electric wire.

The utility model discloses a theory of operation and use flow: after the utility model is installed, when the circuit breaker is used for controlling the electrical equipment, firstly, the circuit breaker is installed on the relevant installation position of the electrical equipment to be controlled, then, the circuit breaker is required to be connected, the positive and negative poles are required to be distinguished during the connection, the positive pole wire is required to be inserted into the positive pole wiring hole 9 inside the top end of the main machine base 3, then the positive pole wire inserted into the positive pole wiring hole 9 is locked through the wiring fixing screw 10, then the negative pole wire is inserted into the negative pole wiring hole inside the bottom end of the main machine base 3, then the negative pole wire is fixed through the wiring fixing screw 10, then the circuit breaker is electrified and the operating handle 8 is pushed upwards, so that the whole circuit breaker is in an electrified working state, then whether the electrical equipment controlled by the circuit breaker is normally electrified for use is checked, if the electrical equipment controlled by the circuit breaker can not normally work, at this moment, the reset button 6 needs to be pressed, so that the circuit breaker is powered off, then the electrical equipment controlled by the circuit breaker is maintained in a power-off state, and after the maintenance is completed, the operations need to be repeated until the electrical equipment controlled by the circuit breaker can be normally powered on for use.

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 a novel circuit breaker is used in electrical equipment control, includes back lid (2) and main engine base (3), its characterized in that: the utility model discloses a safety protection device for cable, including host computer seat (3), install the front end at back lid (2) host computer seat (3), the interlude front end of host computer seat (3) is provided with switch seat (4), inside and the lower extreme is inside to be provided with outside positive wiring hole (9) of opening and negative pole wiring hole respectively in host computer seat (3) upper end, horizontal inside at both ends all runs through wiring set screw (10) about host computer seat (3) is close to, inside both ends outer wall all is provided with outside side reinforcement screw (5) of opening about host computer seat (3), both sides front end all is provided with electric wire reinforcing apparatus (1) about back lid (2), inside handle groove (7) that is provided with the opening forward of switch seat (4) front end, inside of handle groove (7) outwards runs through operating handle (8), the upside of handle groove (7) is provided with reset button (6), electric wire reinforcing apparatus (1) is including insulating block A (11), Semicircle card wire casing (12), insulating protection pad (13), insulating reinforcement block B (14) and locking screw (15), insulating reinforcement block A (11) are connected on back lid (2) one end front end outer wall, the front side of insulating reinforcement block A (11) is provided with insulating reinforcement block B (14), insulating reinforcement block A (11) front end is close to the vertical inside in both sides and insulating reinforcement block B (14) rear end and all is provided with semicircle card wire casing (12), four near the vertical inside in both sides all be provided with insulating protection pad (13) on the inner wall of semicircle card wire casing (12), insulating reinforcement block A (11) and insulating reinforcement block B (14) both ends are all through locking screw (15) fixed connection.

2. The novel circuit breaker for controlling electrical equipment according to claim 1, characterized in that: the vertical length of back lid (2) is greater than the vertical length of host computer seat (3), back lid (2) and host computer seat (3) are through buckle and screw fixed connection, the upper and lower both ends of host computer seat (3) all do not contact with electric wire reinforcing apparatus (1) at both ends about back lid (2).

3. The novel circuit breaker for controlling electrical equipment according to claim 1, characterized in that: the shell of back lid (2), host computer seat (3) and the shell of switch seat (4) all adopt fire-retardant high temperature resistant and insulating plastics material to make, host computer seat (3) and switch seat (4) are made through integrated into one piece mode an organic whole.

4. The novel circuit breaker for controlling electrical equipment according to claim 1, characterized in that: the operating handle (8) is in a power-on working state after being rotated upwards to a maximum angle, the operating handle (8) is in a power-off working state after being rotated downwards to the maximum angle, and the operating handle (8) can be switched from the power-on state to the power-off state after the reset button (6) is pressed.

5. The novel circuit breaker for controlling electrical equipment according to claim 1, characterized in that: anodal wiring hole (9) and negative pole wiring hole are the round hole, all fix through wiring fixed screw (10) after anodal wiring hole (9) and negative pole wiring downthehole portion insert the electric wire, the front end of wiring fixed screw (10) adopts insulation treatment.

6. The novel circuit breaker for controlling electrical equipment according to claim 1, characterized in that: the cross section shapes of the semicircular wire clamping grooves (12) in the insulating reinforcing block A (11) and the insulating reinforcing block B (14) are circular, the circle centers of the semicircular wire clamping grooves (12) in the insulating reinforcing block A (11) and the insulating reinforcing block B (14) are vertically overlapped with the circle center of the positive wiring hole (9), and the diameter of each semicircular wire clamping groove (12) is smaller than that of the positive wiring hole (9).