CN219457484U - Electromagnetic drive magnetic latching phase control contactor - Google Patents

Abstract

The utility model discloses an electromagnetic drive magnetic-holding phase control contactor, wherein a controller controls a permanent magnet mechanism, the permanent magnet mechanism drives a connecting rod mechanism to move up and down, and then drives an insulating pull rod in a solid sealing pole to move up and down, so that the upper fracture and the lower fracture of the solid sealing pole are disconnected and connected, and the disconnection and the connection of a switch are completed, thereby controlling the disconnection and the connection of a high-voltage circuit, completing the transmission of electric energy, and playing a role in controlling and protecting.

Description

Electromagnetic drive magnetic latching phase control contactor

Technical Field

The utility model relates to the field of electromechanical equipment, in particular to an electromagnetic drive magnetic latching phase control contactor.

Background

During the operation of the power system, the power distribution system needs to be controlled and protected by a high-voltage switch, and the load generated by the power distribution system during the operation is regulated. The working personnel mainly utilize high-voltage switches to switch corresponding power equipment or related circuits, wherein the high-voltage switches comprise switching of an idle transformer, a reactor, an idle circuit and a parallel capacitor bank, and the high-voltage switches have the operation behaviors of a fast automatic recloser and the like. However, the switching of the high-voltage switch can generate transient state phenomenon in the implementation process, excessive voltage and surge current can be generated, and serious damage can be generated to the power system and the power equipment, such as the service life of the power equipment is shortened, the insulating performance of the power equipment is damaged, the quality of the transmitted electric energy is reduced, and the relay protection system is disturbed.

When a common contactor is used for switching a capacitor bank, the switching-on and switching-off phases of the common contactor are randomly generated, so that voltage and current can generate larger impact when the common contactor is randomly switched on and off.

In view of the foregoing, there is a need for an electromagnetically driven magnetically held phase control contactor that addresses the shortcomings of the prior art.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an electromagnetic drive magnetic latching phase control contactor, which aims to solve the problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an electromagnetic drive magnetic latching's looks accuse contactor, includes controller, permanent magnetism mechanism, link mechanism and seals utmost point post admittedly, permanent magnetism mechanism is connected with the controller electricity, link mechanism both ends respectively with permanent magnetism mechanism and seal utmost point post swing joint admittedly, seal utmost point post admittedly includes the utmost point post body, utmost point post body upper end sets up the fracture, utmost point post body middle part side sets up the fracture down, this internal activity of utmost point post sets up insulating pull rod, insulating pull rod and link mechanism swing joint, utmost point post body lower extreme is the stiff end. The controller controls the permanent magnet mechanism, the permanent magnet mechanism drives the connecting rod mechanism to move up and down, and then drives the insulating pull rod in the solid sealed pole to move up and down, so that the upper fracture and the lower fracture of the solid sealed pole are disconnected and connected, and the disconnection and the connection of the switch are completed, thereby achieving the purposes of controlling the disconnection and the connection of the high-voltage circuit, completing the electric energy transmission, playing the roles of controlling and protecting, and having compact mechanical structure, few parts, low fault points and no maintenance.

Optionally, the link mechanism includes the linkage turning arm, the linkage turning arm is fixed through the location integral key shaft, set up input loose joint connection board and output loose joint connection board on the linkage turning arm, input loose joint connection board and permanent magnetism mechanism and linkage turning arm are all swing joint, output loose joint connection board and insulating pull rod and linkage turning arm are all swing joint. The permanent magnet mechanism gives power to drive the input movable connecting plate, so as to drive the linkage crank arm, the linkage crank arm drives the output movable connecting plate, and finally the output movable connecting plate drives the insulating pull rod in the solid sealed pole.

Optionally, the permanent magnetic mechanism comprises a magnetic sleeve, a push-pull rod is arranged in the magnetic sleeve, and the push-pull rod is movably connected with the input movable connecting plate. The magnetic sleeve can drive the push-pull rod to move and keep the push-pull rod in a state.

Optionally, a closing buffer spring is arranged on the linkage crank arm, and the closing buffer spring is detachably connected with the linkage crank arm. The closing buffer spring can play a buffering role in closing and also plays a certain return role.

Optionally, the controller includes treater, voltage current sensor, looks accuse switch control circuit, divide-shut brake signal detection circuit and circuit breaker auxiliary switch all are connected with the treater. The voltage and current sensor is used for collecting voltage and current waveform data, the switching-on and switching-off signal detection circuit is used for detecting judgment of switching-on and switching-off input commands, the phase control switch control circuit is used for controlling phase control output, and the auxiliary switch of the circuit breaker can collect position information.

Optionally, the switching-on/off signal detection circuit is connected with a microcomputer protection device, and the microcomputer protection device is electrically connected with the switching-on/off signal detection circuit. The microcomputer protection device is used for inputting opening and closing commands.

Optionally, the voltage-current sensor includes an input three-phase voltage-current sensor and a controlled device voltage-current sensor. The input three-phase voltage and current sensor is used for collecting phase signals of the three-phase bus, and the controlled equipment voltage and current sensor is used for collecting phase signals of the three phases of the controlled equipment.

The utility model has the beneficial effects that:

in the utility model, the controller controls the permanent magnet mechanism, the permanent magnet mechanism drives the link mechanism to move up and down, and then drives the insulating pull rod in the solid sealed pole to move up and down, so as to realize the disconnection and connection of the upper fracture and the lower fracture of the solid sealed pole, and complete the disconnection and connection of the switch, thereby achieving the purposes of controlling the disconnection and connection of the high-voltage circuit, completing the transmission of electric energy, playing the roles of controlling and protecting, and having compact mechanical structure, fewer parts, low fault points and no maintenance;

in the utility model, the permanent magnet mechanism gives power to drive the input movable connecting plate, so as to drive the linkage crank arm, the linkage crank arm drives the output movable connecting plate, and finally the output movable connecting plate drives the insulating pull rod in the solid sealing pole;

according to the utility model, the magnetic sleeve can drive the push-pull rod to move, the push-pull rod is kept in a state, the closing buffer spring can play a buffering role in closing, and also plays a certain return role, so that the magnetic sleeve has a certain use value and popularization value.

Drawings

Fig. 1 is a schematic view of a mechanical part of the present utility model.

Fig. 2 is a schematic diagram of a composition structure of a phase control controller according to the present utility model.

Fig. 3 is a schematic diagram of a principle structure of the system of the present utility model.

In the figure: 1. a permanent magnet mechanism; 11. a magnetic sleeve; 12. a push-pull rod; 2. a link mechanism; 21. a linkage crank arm; 22. outputting a movable connecting plate; 23. inputting a movable connecting plate; 24. positioning a spline shaft; 25. a closing buffer spring; 3. sealing the polar post; 31. a pole body; 32. an upper fracture; 33. a lower fracture; 34. a fixed end; 35. an insulating pull rod.

Detailed Description

As shown in fig. 1, 2 and 3, an electromagnetic drive magnetic latching phase control contactor comprises a controller, a permanent magnet mechanism 1, a connecting rod mechanism 2 and a solid sealing pole 3, wherein the permanent magnet mechanism 1 is electrically connected with the controller, two ends of the connecting rod mechanism 2 are respectively and movably connected with the permanent magnet mechanism 1 and the solid sealing pole 3, the solid sealing pole 3 comprises a pole body 31, an upper fracture 32 is arranged at the upper end of the pole body 31, a lower fracture 33 is arranged at the side edge of the middle part of the pole body 31, an insulating pull rod 35 is movably arranged in the pole body 31, the insulating pull rod 35 is movably connected with the connecting rod mechanism 2, the lower end of the pole body 31 is a fixed end 34, the connecting rod mechanism 2 comprises a linkage crank arm 21, the linkage crank arm 21 is fixed through a positioning spline shaft 24, an input movable connecting plate 23 and an output movable connecting plate 22 are arranged on the linkage crank arm 21, the input movable connecting plate 23 is movably connected with the permanent magnet mechanism 1 and the linkage crank arm 21, the output movable connecting plate 22 is movably connected with the insulating pull rod 35 and the linkage crank arm 21, the permanent magnet mechanism 1 comprises a magnetic sleeve 11, a push-pull rod 12 is arranged in the magnetic sleeve 11, the push-pull rod 12 is movably connected with the input movable connecting plate 23, a closing buffer spring 25 is arranged on the linkage crank arm 21, the closing buffer spring 25 is detachably connected with the linkage crank arm 21, the controller comprises a processor, a voltage and current sensor, a phase control switch control circuit, an opening and closing signal detection circuit and a circuit breaker auxiliary switch, the voltage and current sensor, the phase control switch control circuit, the opening and closing signal detection circuit and the circuit breaker auxiliary switch are all connected with the processor, the opening and closing signal detection circuit is connected with a microcomputer protection device, the microcomputer protection device is electrically connected with the opening and closing signal detection circuit, the voltage-current sensor comprises an input three-phase voltage-current sensor and a controlled device voltage-current sensor.

The controller controls the permanent magnet mechanism, the permanent magnet mechanism drives the connecting rod mechanism to move up and down, and further drives the insulating pull rod in the solid-sealed pole to move up and down, so that the upper fracture and the lower fracture of the solid-sealed pole are disconnected and connected, and the disconnection and the connection of the switch are completed, thereby achieving the purposes of controlling the disconnection and the connection of a high-voltage circuit, completing the transmission of electric energy, and playing the roles of controlling and protecting.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, or alternatives falling within the spirit and principles of the utility model.

Claims (7)

1. The utility model provides a looks accuse contactor that electromagnetic drive magnetic latching, its characterized in that, includes controller, permanent magnetism mechanism, link mechanism and solid sealed utmost point post, permanent magnetism mechanism is connected with the controller electricity, link mechanism both ends respectively with permanent magnetism mechanism and solid sealed utmost point post swing joint, solid sealed utmost point post includes the utmost point post body, utmost point post body upper end sets up the fracture, utmost point post body middle part side sets up the fracture down, this internal activity of utmost point post sets up insulating pull rod, insulating pull rod and link mechanism swing joint, utmost point post body lower extreme is the stiff end.

2. The electromagnetic drive magnetic latching phase control contactor according to claim 1, wherein the linkage mechanism comprises a linkage crank arm, the linkage crank arm is fixed through a positioning spline shaft, an input movable connecting plate and an output movable connecting plate are arranged on the linkage crank arm, the input movable connecting plate is movably connected with the permanent magnet mechanism and the linkage crank arm, and the output movable connecting plate is movably connected with the insulation pull rod and the linkage crank arm.

3. The electromagnetic drive magnetic latching phase control contactor according to claim 2, wherein the permanent magnet mechanism comprises a magnetic sleeve, a push-pull rod is arranged in the magnetic sleeve, and the push-pull rod is movably connected with the input movable connecting plate.

4. The electromagnetic drive magnetic latching phase control contactor according to claim 2, wherein a closing buffer spring is arranged on the linkage crank arm, and the closing buffer spring is detachably connected with the linkage crank arm.

5. The electromagnetically driven magnetically held phase-controlled contactor as claimed in claim 1, wherein the controller comprises a processor, a voltage-current sensor, a phase-controlled switch control circuit, an opening-closing signal detection circuit and a circuit breaker auxiliary switch, wherein the voltage-current sensor, the phase-controlled switch control circuit, the opening-closing signal detection circuit and the circuit breaker auxiliary switch are all connected with the processor.

6. The electromagnetic drive latching phase control contactor according to claim 5, wherein the switching signal detection circuit is connected with a microcomputer protection device, and the microcomputer protection device is electrically connected with the switching signal detection circuit.

7. The electromagnetically driven magnetically held phase-controlled contactor as claimed in claim 6, wherein said voltage-current sensor comprises an input three-phase voltage-current sensor and a controlled device voltage-current sensor.