CN217690954U

CN217690954U - High-voltage vacuum circuit breaker operating system

Info

Publication number: CN217690954U
Application number: CN202221609512.4U
Authority: CN
Inventors: 金慧慧
Original assignee: Zhejiang Jiazhishi Electric Technology Co ltd
Current assignee: Zhejiang Jiazhishi Electric Technology Co ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2022-10-28
Anticipated expiration: 2032-06-24

Abstract

The utility model relates to a high pressure vacuum circuit breaker operating system, including shell body, first support, first contact, second contact, first support and second support, first contact is established on the first support, the second contact with the second support is connected, first contact with second contact swing joint, its characterized in that: the shell body is provided with a breaking device, the breaking device comprises a driver, a fixed seat, a rotating shaft, an active block and a movable block, the driver is provided with an output shaft, the rotating shaft is installed on the fixed seat through a bearing seat, one end of the rotating shaft is connected with the output shaft, the active block is installed on the other end of the rotating shaft and is driven to rotate by the rotating shaft, a mounting plate is arranged on the fixed seat, a sliding groove is formed in the mounting plate, the movable block is installed in the sliding groove and extends out of a mounting end, the mounting end is connected with a movable plate, and the end part of the movable plate is connected with a second support. The principle of cam is utilized in the scheme, so that the purpose of disconnection is realized, and the manual operation is not needed, and the operation is more convenient.

Description

High-voltage vacuum circuit breaker operating system

Technical Field

The utility model relates to a high voltage circuit breaker's technical field, especially a high-pressure vacuum circuit breaker operating system.

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 breaker can be used to distribute electric energy, start asynchronous motor infrequently, protect power supply circuit and motor, and automatically cut off circuit when they have serious overload or short circuit and undervoltage faults, and it is equivalent to the combination of fuse switch and over-and-under-heat relay. Furthermore, there is generally no need to change the components after breaking the fault current. Have achieved wide application.

Distribution of electricity is an extremely important link in the generation, transmission and use of electricity. The power distribution system comprises a transformer and various high-voltage and low-voltage electrical equipment. A circuit breaker generally includes a contact system, an arc extinguishing system, an operating mechanism, a trip unit, a case, and the like. When short circuit occurs, the magnetic field generated by large current overcomes the counterforce spring, the release pulls the operating mechanism to act, and the switch trips instantaneously. When the overload happens, the current is increased, the heating value is increased, and the bimetallic strip deforms to a certain degree to push the mechanism to act. The electronic type transformer is used for collecting the current of each phase, the current is compared with a set value, and when the current is abnormal, the microprocessor sends a signal to enable the electronic release to drive the operating mechanism to act. The breaker is used for cutting off and connecting a load circuit and cutting off a fault circuit, so that the accident is prevented from being enlarged, and the safe operation is ensured.

In view of the problem that the circuit breaker needs to be manually operated and is inconvenient to use in practical use, the applicant also previously filed an application for the problem, namely the patent application No. 2022214764754, but the problem is found, and the applicant continuously filed a better solution for reliability.

To the above problem, the present invention provides an improvement.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high-pressure vacuum circuit breaker operating system has solved the above-mentioned problem that exists in the use among the prior art.

The technical scheme of the utility model is realized like this:

the utility model provides a high-pressure vacuum circuit breaker operating system, includes shell body, first contact, second contact, first support and second support, first contact is established on the first support, the second contact with the second support is connected, first contact with second contact swing joint, its characterized in that: the shell body install the disjunction device that drives this second support and divide absolutely, this disjunction device includes driver, fixing base, pivot, initiative piece and movable block, the driver have an output shaft, this pivot passes through the bearing frame and installs on the fixing base, pivot one end with output shaft connects, one is served in addition and installs the initiative piece, this initiative piece drives its rotation by the pivot, the fixing base on be equipped with the mounting panel, it has the spout to open on this mounting panel, the movable block install in the spout, and stretch out and have the installation end, this installation end is connected with the fly leaf, the tip and the second leg joint of this fly leaf, this initiative piece has the evagination district, promotes the lower tip of movable block through the evagination district and moves up to realize the first contact of the first support of second contact separation of second support.

According to the scheme, the driver of the breaking device adopts the motor, the output shaft of the driver drives the rotating shaft to rotate through the rotation of the motor, the driving block mounted at the end part of the rotating shaft rotates along with the rotating shaft, the outer convex area of the driving block can push the movable block when rotating, the movable block bears force to move along the sliding groove of the mounting plate, at the moment, the movable plate mounted on the movable block can also move along the vertical direction to drive the second support of the fixed connection, the second support is provided with the second contact, and the second contact is separated from the first contact along with the upward movement, so that the breaking is realized.

Preferably, the driving block adopts a cam structure, and the driving block is fixedly arranged on the rotating shaft through a pin key.

According to the scheme, the driving block mechanism of the cam structure is reliable, the installation through the pin key is firmer, the pin key can prevent the driving block from shaking or loosening, and the operation is more stable.

Preferably, the movable block have as driven lower diaphragm, left slide bar, right slide bar install respectively lower diaphragm both sides, left slide bar, right slide bar and fly leaf fixed connection, lower diaphragm on install the guide arm, the mounting panel on open and to have the guiding hole that is located between two spouts, the guide arm extends the guiding hole in adaptation.

According to the scheme, the left sliding rod and the right sliding rod are additionally arranged, when the movable block runs, the movable block works more reliably, and meanwhile, the running reliability of a product is improved by means of matching of the guide holes and the guide rods.

Preferably, fixing base and mounting panel between still install slide rail and the slider of cooperation on the slide rail, the slide rail is installed on the fixing base, the mounting panel is installed on the slider, the avris of slide rail, slider open and to have a plurality of slide rail mounting holes, slide rail and slider pass through the screw rod locking.

According to the scheme, the purpose of the scheme is to realize the forward and backward movement of the second support, adjust the contact of different positions and improve the application range.

To sum up, the beneficial effects of the utility model reside in that:

the utility model discloses a high-pressure vacuum circuit breaker operating system, this scheme is through reasonable design, the simple structure of product, and this scheme utilizes the principle of cam to realize the purpose of disconnection, it is more convenient to need not manual operation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is the structure schematic diagram of the operating system of the high-voltage vacuum circuit breaker of the present invention.

Fig. 2 is a schematic view of the breaking apparatus.

Fig. 3 is a schematic perspective view of the breaking device.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1 to 3 of 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 efforts belong to the protection scope of the present invention.

Example 1

As shown in fig. 1-3, the utility model discloses a high-pressure vacuum circuit breaker operating system, including shell body 1, first contact 5, second contact 6, first support 4 and second support 7, shell body 1 has opening 1-1 for the activity of second support 7, the bottom surface is equipped with fixed stabilizer blade 2 under the shell body 1, and it is insulating material and be equipped with the screw hole. The first contact is established on the first support, second contact 6 with second support 7 is connected, first contact 5 with second contact 6 contacts, shell body 1 install the disjunction device that drives this second support disjunction, this disjunction device includes driver 3, fixing base 10, pivot 9, initiative piece 12 and movable block 13, the driver adopts the motor, the driver have output shaft 8, this pivot 9 installs on fixing base 10 through bearing frame 11, pivot 9 one end with output shaft is connected, mainly through the coupling joint, the purpose is to realize dismantling, is convenient for the installation, in addition one end installs initiative piece 12, this initiative piece 12 drives its rotation by pivot 9, fixing base 10 on be equipped with the mounting panel, open on this mounting panel has the spout, the movable block install in the spout, and stretch out and have a mounting end, this mounting end is connected with movable plate 19, the tip and the second support 7 of this movable plate 19 are connected, the connected mode can be threaded connection, or both processing integrated into one piece, what this scheme adopted is threaded connection but not restricted to this, threaded connection has the prior art not explained, this movable block has the outer convex block to promote the second support with the evagination district contact to realize the second support and move the contact.

The driver of the breaking device adopts the motor, the output shaft of the driver drives the rotation of the rotating shaft through the rotation of the motor, the driving block arranged at the end part of the rotating shaft rotates along with the driving block, the convex area of the driving block can push the movable block when rotating, the movable block bears force to move along the chute of the mounting plate, at the moment, the movable plate arranged on the movable block can also move along the vertical direction to drive the second support of fixed connection, the second support is provided with the second contact 6, and the second contact is separated from the first contact 5 along with the upward movement, so that the breaking is realized.

The driving block 12 is of a cam structure and is fixedly mounted on the rotating shaft through a pin 18. The driving block mechanism of the cam structure is reliable, the installation through the pin key 18 is firmer, the pin key can prevent the driving block from shaking or loosening, and the operation is more stable.

The movable block 13 is provided with a driven lower transverse plate 13-3, a left sliding rod 13-1 and a right sliding rod 13-2, the left sliding rod 13-1 and the right sliding rod 13-2 are respectively installed on two sides of the lower transverse plate 13-3, the end parts of the left sliding rod and the right sliding rod are fixedly connected with a movable plate 19, the connection mode also adopts threaded connection, a guide rod 14 is installed on the lower transverse plate, a guide hole located between two sliding grooves is formed in the installation plate, and the guide rod extends into the guide hole to be matched. The left sliding rod and the right sliding rod which are additionally arranged are utilized to form two bilaterally symmetrical sliding parts, when the movable block runs, the work is more reliable, meanwhile, the forming direction is further limited by the cooperation of the guide hole and the guide rod, the running reliability of a product is improved, and it needs to be pointed out that if the second contact is automatically contacted with the first contact after the cam rotates, a spring can be sleeved on the guide rod, namely, when the end part of the lower transverse plate is far away from the outer convex area of the cam, the spring can reset under the action of the spring.

Example 2

This implementation is further improved on the basis of embodiment 1, and the purpose is to realize that the second support back-and-forth movement is used for adjusting the contact of different positions, improves application scope, and the scheme is as follows:

fixing base and mounting panel between still install slide rail 15 and the slider 16 of cooperation on the slide rail, the slide rail is installed on the fixing base, the mounting panel is installed on the slider, the avris of slide rail, slider open and to have a plurality of slide rail mounting holes 17, slide rail and slider pass through the screw rod locking.

According to the scheme, when some contacts do not correspond to each other, the contact positions can be matched by adjusting the direction A of the mounting plate.

The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a high pressure vacuum circuit breaker operating system, includes shell body, first contact, second contact, first support and second support, first contact is established on the first support, the second contact with the second support is connected, first contact with second contact swing joint, its characterized in that: the shell body install the disconnected disjunction device of this second support of drive, this disjunction device includes driver, fixing base, pivot, initiative piece and movable block, the driver have an output shaft, this pivot is installed on the fixing base through the bearing frame, pivot one end with output shaft connection, one is served in addition and installs initiative piece, this initiative piece drives its rotation by the pivot, the fixing base on be equipped with the mounting panel, it has the spout to open on this mounting panel, the movable block install in the spout, and stretch out and have the installation end, this installation end is connected with the fly leaf, the tip and the second leg joint of this fly leaf, this initiative piece has outer protruding district, promotes the lower tip of movable block through outer protruding district and moves up to the first contact of the first support of second contact separation of realization second support.

2. The operating system for a high voltage vacuum circuit breaker according to claim 1, characterized in that: the driving block adopts a cam structure, and is fixedly arranged on the rotating shaft through a pin key.

3. A high voltage vacuum circuit breaker operating system according to claim 1 or 2, characterized in that: the movable block have as driven lower diaphragm, left slide bar, right slide bar install respectively lower diaphragm both sides, left slide bar, right slide bar and fly leaf fixed connection, lower diaphragm on install the guide arm, the mounting panel on open and to have the guiding hole that is located between two spouts, the guide arm extends the guiding hole in adaptation.

4. The operating system for a high voltage vacuum circuit breaker according to claim 1, characterized in that: fixing base and mounting panel between still install slide rail and the cooperation slider on the slide rail, the slide rail is installed on the fixing base, the mounting panel is installed on the slider, the avris of slide rail, slider open and to have a plurality of slide rail mounting holes, slide rail and slider pass through the screw rod locking.