CN205069539U - Communication circuit breaker of good reliability - Google Patents

Abstract

The utility model relates to a communication circuit breaker with good reliability, which includes a hand switch button, and also includes a moving armature, a switch coil, a magnetic yoke, a transmission part, a return spring, an insulating pull rod, a contact spring, an insulating cylinder, and a lower outlet wire. Seat, upper outgoing line seat and arc extinguishing chamber, the moving armature is installed inside the opening and closing coil, the closing and opening coil is installed inside the yoke, the lower end of the moving armature is connected with the transmission part, and the transmission part is respectively connected with the return The spring is connected with the insulating pull rod, the contact spring is arranged inside the insulating pull rod, and the arc extinguishing chamber is installed between the lower outlet seat and the upper outlet seat. Under the combined action of the spring force of the return spring, the utility model quickly separates the dynamic and static contacts inside the arc extinguishing chamber, and maintains it in a steady state until the gate is opened, thereby completing the manual opening process, realizing manual opening, and reliable power failure. Good sex, good security.

Description

A Communication Circuit Breaker with Good Reliability

technical field

The utility model relates to the field of electronic technology, in particular to a communication circuit breaker.

Background technique

Communication is a form of news reporting that uses various techniques such as narration, description, lyricism, and discussion to reflect news events or typical characters in a concrete, vivid, and vivid manner. It is a type of narrative and is commonly used in newspapers, radio stations, and news agencies. It includes character communication and event communication. Like news, it requires timely and accurate reporting of meaningful people and events in life, but the content of the report is more specific and systematic than news.

A circuit breaker refers to a switching device that can close, carry and break current under normal circuit conditions and can close, carry and break current under abnormal circuit conditions within a specified time. Circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to their scope of use. The division of high and low voltage boundaries is relatively vague. Generally, those above 3kV are called high-voltage electrical appliances. Circuit breakers can be used to distribute electric energy, start asynchronous motors infrequently, protect power lines and motors, and automatically cut off the circuit when they are severely overloaded, short-circuited, or under-voltage. Its function is equivalent to a fuse-type switch. Combination with overheating and underheating relays, etc. Moreover, there is generally no need to change parts after breaking the fault current. At present, it has been widely used. Power distribution is an extremely important link in the generation, transmission and use of electricity. The power distribution system includes transformers and various high and low voltage electrical equipment, and the low voltage circuit breaker is an electrical appliance with a large amount of use.

The existing circuit breaker has poor power-off reliability and slow action speed, resulting in low power-off efficiency, difficult to perform timely power-off function, and easily causing hidden dangers.

Utility model content

The purpose of the utility model is to provide a communication circuit breaker with good reliability in order to overcome the deficiencies of the prior art.

The utility model is realized through the following technical solutions:

A communication circuit breaker with good reliability, including a hand switch button, and also includes a moving armature, a switch coil, a yoke, a transmission part, a return spring, an insulating pull rod, a contact spring, an insulating cylinder, a lower outlet seat, and an upper outlet seat and arc extinguishing chamber, the moving armature is installed inside the opening and closing coil, the closing and opening coil is installed inside the yoke, the lower end of the moving armature is connected with the transmission part, and the transmission part is respectively connected with the return spring and the insulating pull rod connected, the contact spring is arranged inside the insulating pull rod, and the arc extinguishing chamber is installed between the lower outlet seat and the upper outlet seat.

As a preferred technical solution of the utility model, the transmission part is movably connected with the insulating pull rod.

As a preferred technical solution of the present invention, the contact spring is connected with the contact of the arc extinguishing chamber.

As a preferred technical solution of the utility model, the arc extinguishing chamber is detachably connected to the lower outlet seat and the upper outlet seat.

Compared with the existing technology, the beneficial effects of the utility model are: the utility model is simple in structure and reasonable in design, and the utility model makes the dynamic and static contacts inside the arc extinguishing chamber quick Separation, until the steady state of opening is maintained, so as to complete the manual opening process, manual opening can be realized, the reliability of power failure is good, and the safety is good.

Description of drawings

Fig. 1 is the structural representation of the utility model.

In the figure: 1. Hand opening button; 2. Moving armature; 3. Closing and opening coil; 4. Magnetic yoke; 5. Transmission parts; 6. Return spring; 10. Lower outlet seat; 11. Upper outlet seat; 12. Interrupter.

detailed description

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

Please refer to Fig. 1, Fig. 1 is the structural representation of the utility model.

A communication circuit breaker with good reliability, including a hand switch button 1, and also includes a moving armature 2, a switch coil 3, a yoke 4, a transmission component 5, a return spring 6, an insulating pull rod 7, a contact spring 8, an insulating Barrel 9, lower outlet seat 10, upper outlet seat 11 and arc extinguishing chamber 12, the moving armature 2 is installed inside the opening and closing coil 3, the closing and opening coil 3 is installed inside the yoke 4, the lower end of the moving armature 2 It is connected with the transmission part 5, and the transmission part 5 is respectively connected with the return spring 6 and the insulation pull rod 7, wherein the transmission part 5 and the insulation pull rod 7 are movably connected, so that the action of the insulation pull rod 7 can be realized.

The contact spring 8 is arranged inside the insulating pull rod 7 , wherein the contact spring 8 is connected to the contact of the arc extinguishing chamber 12 . The arc extinguishing chamber 12 is installed between the lower outlet seat 10 and the upper outlet seat 11 , wherein the arc extinguishing chamber 12 is detachably connected to the lower outlet seat 10 and the upper outlet seat 11 . Under the combined action of the spring force of the return spring 5, the utility model quickly separates the dynamic and static contacts inside the arc extinguishing chamber 12, and maintains it in a stable state until the gate is opened, thereby completing the manual opening process, and can realize manual opening and breaking. Good electrical reliability and safety.

The specific implementation method is: when the circuit breaker receives the closing command, the electromagnetic coil of the permanent magnet control operating mechanism is instantly passed with a positive direct current or a positive pulse current, and the electromagnetic field generated by the electromagnetic coil and the permanent magnetic field of the permanent magnet are in a positive direction. Superimposed, its electromagnetic force makes the movable armature move and move, and at the same time, the insulating rod 7 moves upward in a straight line through the transmission part 5, driving the moving contact of the vacuum interrupter to close with the static contact at a set speed, and compressing the return spring at the same time , to make it reach the prescribed contact stroke and contact pressure. At this time, the suction force of the permanent magnetic field makes the moving armature and the yoke firmly attracted, and the switch is closed and kept in a steady state (that is, the magnetic lock). Thus, the electric closing process is completed.

When the circuit breaker receives the opening command, the electromagnetic coil of the permanent magnet control operating mechanism is instantly passed with reverse DC or reverse pulse current, and the electromagnetic field generated by the electromagnetic coil and the permanent magnetic field of the permanent magnet are reversely superimposed. The holding force of the magnetic lock is sharply reduced, and under the action of the return spring 6, the transmission part 5 moves in the reverse direction quickly at this time, so that the insulating pull rod 7 moves downward in a straight line, pulling the moving contact and the static contact of the vacuum interrupter head detached. When the moving armature moves to the opening position, the suction force of the permanent magnetic field keeps the opening steady state, thus completing the electric opening process.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (4)

1. A communication circuit breaker with good reliability, including a hand switch button (1), characterized in that: it also includes a moving armature (2), a closing and opening coil (3), a yoke (4), and a transmission component (5) , return spring (6), insulating pull rod (7), contact spring (8), insulating cylinder (9), lower outlet seat (10), upper outlet seat (11) and arc extinguishing chamber (12), the The moving armature (2) is installed inside the opening and closing coil (3), the closing and opening coil (3) is installed inside the yoke (4), and the lower end of the moving armature (2) is connected with the transmission part (5). The transmission part (5) is respectively connected with the return spring (6) and the insulating pull rod (7), the contact spring (8) is arranged inside the insulating pull rod (7), and the arc extinguishing chamber (12) is installed in the lower Between the outlet seat (10) and the upper outlet seat (11). 2. A communication circuit breaker with good reliability according to claim 1, characterized in that: the transmission part (5) is movably connected to the insulating pull rod (7). 3. A communication circuit breaker with good reliability according to claim 1, characterized in that: the contact spring (8) is connected to the contact of the arc extinguishing chamber (12). 4. A communication circuit breaker with good reliability according to claim 1, characterized in that: the arc extinguishing chamber (12) and the lower outlet seat (10) and the upper outlet seat (11) are detachable connect.