CN213366510U - Rotary circuit breaker structure of environment-friendly voltage cabinet - Google Patents

Abstract

The utility model discloses an environmental protection voltage cabinet rotary circuit breaker structure, which comprises a housin, the inside of casing is provided with first wiring end, the inner wall threaded connection of first wiring end has first reinforcement screw, the side fixedly connected with connecting wire of first wiring end, the one end fixedly connected with connecting rod of first wiring end is kept away from to the connecting wire, the upper end fixedly connected with rotary switch of connecting rod, the outside of connecting rod is provided with the point switch of touching, the lower extreme fixedly connected with reset spring of connecting rod, reset spring's the outside is provided with the fixed slot, the side fixedly connected with arc extinguishing electrode of connecting wire, the one end fixedly connected with explosion chamber of connecting wire is kept away from to the arc extinguishing electrode, the one end fixedly connected with solenoid of arc extinguishing electrode is kept away from to the. The utility model discloses a be provided with rotatory switch, can make it use in the position that needs rotary device, and then reduce the trouble, improve work efficiency.

Description

Rotary circuit breaker structure of environment-friendly voltage cabinet

Technical Field

The utility model relates to the field of electrical technology, especially, relate to an environmental protection voltage cabinet rotary circuit breaker structure.

Background

The voltage cabinet is an electrical device, the outside line of the voltage cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, each branch is arranged according to the requirement, the voltage cabinet mainly has the function of opening, closing, controlling and protecting the electrical device in the process of generating, transmitting, distributing and converting electric energy of an electric power system, and the components in the voltage cabinet mainly comprise a circuit breaker, an isolating switch, a load switch, an operating mechanism, a mutual inductor and various protection devices, wherein the circuit breaker plays a protection role for the voltage cabinet and the related devices, and the circuit breaker is a switch device which can close, bear and open the current under the condition of a normal loop and close, bear and open the current under the condition of an abnormal loop within the specified 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 circuit breaker can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply circuit, the motor and the like, and automatically cutting off a circuit when faults such as serious overload, short circuit, undervoltage and the like occur, and the function of the circuit breaker is equivalent to the combination of a fuse type switch, an over-under-heat relay and the like. Furthermore, no parts need to be changed after breaking the fault current. At present, it has been widely used. Distribution of electricity is an extremely important link in the generation, transmission and use of electricity. The distribution system comprises a transformer and various high-low voltage electrical equipment, and the low-voltage circuit breaker is an electrical appliance with a large using amount.

The circuit breaker protection mainly comprises circuit breaker failure protection, automatic reclosing, charging protection, dead zone protection, three-phase inconsistent protection and instantaneous follow-up tripping, the traditional circuit breaker is of a push-pull type, a rotary circuit breaker structure is needed in some places, and the rotary circuit breaker needs to be designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the rotatory circuit breaker structure of environmental protection voltage cabinet that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a rotary circuit breaker structure of an environment-friendly voltage cabinet comprises a shell, wherein a first wiring end is arranged in the shell, a first reinforcing screw is in threaded connection with the inner wall of the first wiring end, a connecting wire is fixedly connected to the side surface of the first wiring end, a connecting rod is fixedly connected to one end, away from the first wiring end, of the connecting wire, a rotary switch is fixedly connected to the upper end of the connecting rod, a point contact switch is arranged on the outer side of the connecting rod, a reset spring is fixedly connected to the lower end of the connecting rod, a fixing groove is formed in the outer side of the reset spring, an arc extinguishing electrode is fixedly connected to the side surface of the connecting wire, an arc extinguishing chamber is fixedly connected to one end, away from the connecting wire, of the arc extinguishing electrode, an electromagnetic coil is fixedly connected to one end, away from the arc, the inner side of the second wiring end is in threaded connection with a second reinforcing screw, and the side face of the connecting rod is fixedly connected with a movable contact rod.

Further, the upside of casing and the top that is located first reinforcement screw, second reinforcement screw all are provided with the aperture, casing right-hand member face is provided with the wiring hole, the wiring hole is corresponding with first wiring end.

Further, the lower end of the connecting rod passes through the upper side of the housing.

Further, the arc extinguishing chamber is located below the electromagnetic coil.

Further, the detacher corresponds to the movable contact lever.

Further, the movable contact rod is positioned between the contact switch and the fixed groove.

The utility model discloses following beneficial effect has: compared with the prior art, this rotatory circuit breaker structure of environmental protection voltage cabinet is through the structure of designing a rotation type, this structure has small, the dependable performance, make the circuit breaker pleasing to the eye again in convenient operation through increasing the turn button, when the electric current is abnormal, the detacher can bounce off the movable contact pole, electric arc is because of magnetism, the explosion chamber is introduced to the thermal action, break off the electric current, traditional circuit breaker compares in addition, this circuit breaker noise is little, when satisfying the circuit outage, noise abatement, can satisfy some places that need the work of rotation type circuit breaker like this.

Drawings

Fig. 1 is a front view internal structure diagram of a rotary circuit breaker structure of an environmental protection voltage cabinet provided by the utility model;

fig. 2 is a front view of a rotary circuit breaker structure of an environmental protection voltage cabinet according to the present invention;

fig. 3 is the utility model provides a top view of rotatory circuit breaker structure of environmental protection voltage cabinet.

In the figure: 1-shell, 2-first reinforcing screw, 3-first terminal, 4-arc extinguishing electrode, 5-wiring hole, 6-fixing groove, 7-second terminal, 8-reset spring, 9-second reinforcing screw, 10-arc extinguish chamber, 11-electromagnetic coil, 12-detacher, 13-moving contact rod, 14-contact switch, 15-rotary switch, 16-connecting rod and 17-connecting wire.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: a rotary circuit breaker structure of an environment-friendly voltage cabinet comprises a shell 1, a first wiring terminal 3 is arranged in the shell 1, a first reinforcing screw 2 is connected to the inner wall of the first wiring terminal 3 in a threaded manner, a connecting wire 17 is fixedly connected to the side surface of the first wiring terminal 3, a connecting rod 16 is fixedly connected to one end, away from the first wiring terminal 3, of the connecting wire 17, the lower end of the connecting rod 16 penetrates through the upper side of the shell 1, a rotary switch 15 is fixedly connected to the upper end of the connecting rod 16, a point contact switch 14 is arranged on the outer side of the connecting rod 16, the point contact switch 14 is a switch capable of being disconnected under force, a movable contact rod 13 is positioned between the point contact switch 14 and a fixed groove 6, a reset spring 8 is fixedly connected to the lower end of the connecting rod 16, a fixed groove 6 is arranged on the outer side of the reset spring 8, an arc extinguishing electrode, one end fixedly connected with solenoid 11 that arc extinguishing electrode 4 was kept away from to explosion chamber 10, solenoid 11's inboard is provided with detacher 12, detacher 12 is corresponding with movable contact pole 13, solenoid 11 keeps away from the one end fixedly connected with second wiring end 7 of explosion chamber 10, the inboard threaded connection of second wiring end 7 has second reinforcing screw 9, the side fixedly connected with movable contact pole 13 of connecting rod 16, the upside of casing 1 just is located first reinforcing screw 2, the top of second reinforcing screw 9 all is provided with the aperture, casing 1 right-hand member face is provided with wiring hole 5, wiring hole 5 is corresponding with first wiring end 3, explosion chamber 10 is located solenoid 11's below.

As an embodiment of the present invention: when the rotating switch 15 is used, under the action of the contact switch, the movable contact rod 13 is contacted with the detacher, so that current flows from the first terminal 3 through the connecting wire 17, the connecting rod 16, the movable contact rod 13 and the second terminal to form a loop, when the current is abnormal, the detacher 12 can bounce the movable contact rod 13, electric arc is introduced into the arc extinguish chamber 10 due to the magnetic and thermal effects, and the current is interrupted.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. The utility model provides an environmental protection voltage cabinet rotary circuit breaker structure, includes casing (1), its characterized in that: the utility model discloses a solar energy collecting device, including casing (1), the inside of casing (1) is provided with first wiring end (3), the inner wall threaded connection of first wiring end (3) has first reinforcement screw (2), the side fixedly connected with connecting wire (17) of first wiring end (3), one end fixedly connected with connecting rod (16) of first wiring end (3) are kept away from in connecting wire (17), the upper end fixedly connected with rotary switch (15) of connecting rod (16), the outside of connecting rod (16) is provided with point touch switch (14), the lower extreme fixedly connected with reset spring (8) of connecting rod (16), the outside of reset spring (8) is provided with fixed slot (6), the side fixedly connected with arc extinguishing electrode (4) of connecting wire (17), one end fixedly connected with explosion chamber (10) of connecting wire (17) are kept away from to arc extinguishing electrode (4), one end fixedly connected with solenoid (11) of arc extinguishing electrode (4) are kept away from to explosion, the inner side of the electromagnetic coil (11) is provided with a detacher (12), one end, far away from the arc extinguish chamber (10), of the electromagnetic coil (11) is fixedly connected with a second wiring terminal (7), the inner side of the second wiring terminal (7) is in threaded connection with a second reinforcing screw (9), and the side face of the connecting rod (16) is fixedly connected with a movable contact rod (13).

2. The rotary circuit breaker structure of environmental protection voltage cabinet according to claim 1, characterized in that: the upside of casing (1) and the top that is located first reinforcement screw (2), second reinforcement screw (9) all are provided with the aperture, casing (1) right-hand member face is provided with wiring hole (5), wiring hole (5) are corresponding with first wiring end (3).

3. The rotary circuit breaker structure of environmental protection voltage cabinet according to claim 1, characterized in that: the lower end of the connecting rod (16) passes through the upper side of the shell (1).

4. The rotary circuit breaker structure of environmental protection voltage cabinet according to claim 1, characterized in that: the arc extinguishing chamber (10) is positioned below the electromagnetic coil (11).

5. The rotary circuit breaker structure of environmental protection voltage cabinet according to claim 1, characterized in that: the unhooking device (12) corresponds to the movable contact rod (13).

6. The rotary circuit breaker structure of environmental protection voltage cabinet according to claim 1, characterized in that: the moving contact rod (13) is positioned between the contact switch (14) and the fixed groove (6).

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