CN210349673U

CN210349673U - Electric isolating switch

Info

Publication number: CN210349673U
Application number: CN201921697221.3U
Authority: CN
Inventors: 李志刚; 李佳芳; 李志勇; 马二雨
Original assignee: Baoding Semeureka Electric Power Technology Co ltd
Current assignee: Baoding Semeureka Electric Power Technology Co ltd
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2020-04-17
Anticipated expiration: 2029-10-11

Abstract

The utility model discloses an electronic isolator includes the box, voltage transformer, current transformer, go up the mechanism of being qualified for the next round of competitions, mechanism and electric operating mechanism go out down, electric operating mechanism includes the actuating lever, reduction gear and driving motor, reduction gear and actuating lever connect gradually, be fixed with the connecting piece on the actuating lever, the connecting piece is articulated with insulating pull rod one end, the insulating pull rod other end is articulated with the isolation blade, it is articulated to keep apart the mount that blade one end is fixed in on the current transformer, keep apart the blade other end and set up with the lower support insulator of mechanism of being qualified for the next round of competitions down relatively, lower support insulator bottom and support fixed connection, lower support insulator upper portion is fixed with the female arranging of being qualified for the next round of competitions down, the lower support insulator top is. The utility model adopts the above structure an electronic isolator, the operation is steady, the impact force is little, can realize electronic and manual operation, the reliability is high.

Description

Electric isolating switch

Technical Field

The utility model relates to an isolator especially relates to an electronic isolator.

Background

The isolating switch is a switch device which has an insulation distance meeting the specified requirements and an obvious disconnection mark between contacts in a separated position and can bear current under the condition of a normal loop and current under the abnormal condition in specified time in a closed position. The existing electric isolating switch is easy to cause poor contact or overlarge impact force when being opened and closed, so that the isolating switch is damaged, and the reliability is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an electronic isolator, the operation is steady, the impact force is little, can realize electronic and manual operation, and the reliability is high.

In order to achieve the purpose, the utility model provides an electric isolating switch, which comprises a box body, a voltage transformer, a current transformer, an upper wire outlet mechanism, a lower wire outlet mechanism and an electric operating mechanism, wherein the electric operating mechanism comprises a driving rod, a speed reducer and a driving motor, the driving motor is connected with the speed reducer, the speed reducer is connected with the driving rod, a connecting piece is fixed on the driving rod of a conveyor, the connecting piece is hinged with one end of an insulating pull rod, the other end of the insulating pull rod is hinged with the middle part of an isolating blade, one end of the isolating blade is fixed on a fixing frame of the current transformer, the other end of the isolating blade is arranged opposite to a lower supporting insulator of the lower wire outlet mechanism, the bottom of the lower supporting insulator is fixedly connected with a bracket, the upper part of the lower supporting insulator is fixed with a lower wire outlet bus, and a contact spring is fixed in the U-shaped contact end, and the support is connected with the box body.

Preferably, the voltage transformer is fixedly connected with the box body through a connecting plate, the current transformer is fixed on one side of an upper supporting insulator in the wire outlet mechanism, the bottom of the upper supporting insulator is fixed on the box body, and an upper wiring busbar is fixed on the top of the upper supporting insulator.

Preferably, the two ends of the box body are fixedly provided with carrying handles, and one side of the box body is provided with an energy storage operating handle, an energy storage indicating needle, a switching-on and switching-off operating handle and a switching-on and switching-off indicating needle.

Preferably, the speed reducer and the driving motor are fixed in an electric cabinet, the electric cabinet is fixed at one end of the box body, travel switches are fixed on the support and are connected with the electric cabinet, and the travel switches are fixed on two sides of the support, which are opposite to the connecting piece.

Therefore, the utility model adopts the above structure an electronic isolator, the under bracing insulator top is U type contact jaw, U type contact jaw inside is fixed with contact spring, and the contact is good, and steady operation, the impact force is little, can realize electronic and manual operation through electric operating mechanism and operating handle, and the reliability is high.

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic structural view of an electric isolating switch of the present invention;

fig. 2 is a front view of an electric isolating switch of the present invention;

fig. 3 is a schematic view of the U-shaped contact end structure of the present invention.

Reference numerals

1. A box body; 11. carrying handles; 12. a switching-on/off operation handle; 13. an energy storage pointer; 14. an energy storage operating handle; 15. switching-on and switching-off indicating needles; 2. a voltage transformer; 21. a connecting plate; 3. a current transformer; 4. an upper wire outlet mechanism; 41. an upper support insulator; 42. an upper wiring busbar; 5. a lower wire outlet mechanism; 51. a lower support insulator; 52. a lower wiring busbar; 53. a contact spring; 6. a support; 7. an electric operating mechanism; 71. an electric cabinet; 72. a drive rod; 73. a connecting member; 74. an insulating pull rod; 75. a travel switch; 8. isolating the blade; 9. a fixing frame.

Detailed Description

Examples

Fig. 1 is the utility model relates to an electronic isolator schematic structure, 2 is the utility model relates to an electronic isolator elevation view, fig. 3 is the utility model discloses U type contact jaw schematic structure, as shown in the figure, an electronic isolator includes box 1, voltage transformer 2, current transformer 3, goes up outlet mechanism 4, lower outlet mechanism 5 and electric operating mechanism 7, voltage transformer 2 passes through connecting plate 21 and box 1 fixed connection, current transformer 3 is fixed in last support insulator 41 one side in outlet mechanism 4, it is fixed with the female row 42 of last wiring to go up support insulator 41 top on being fixed in box 1 to go up support insulator 41 bottom.

The electric operating mechanism 7 comprises a driving rod 72, a speed reducer and a driving motor, wherein the driving motor (shown in the figure) is connected with the speed reducer (shown in the figure), the speed reducer is connected with the driving rod 72, the speed reducer and the driving motor are both fixed in an electric cabinet 71, and the electric cabinet 71 is fixed at one end of the box body 1. A connecting piece 73 is fixed on the driving rod 72, the connecting piece 73 is hinged with one end of an insulating pull rod 74, the other end of the insulating pull rod 74 is hinged with the middle of the isolating blade 8, one end of the isolating blade 8 is fixed on a fixing frame 9 on the current transformer 3 and is hinged, the other end of the isolating blade 8 is arranged opposite to a lower supporting insulator 51 of the lower wire outlet mechanism 5, travel switches 75 are fixed on two sides of the support 6 opposite to the connecting piece 73, and the travel switches 75 are connected with the electric cabinet 71. The bottom of the lower supporting insulator 51 is fixedly connected with the support 6, the upper portion of the lower supporting insulator 51 is fixedly provided with a lower wiring busbar 52, the top of the lower supporting insulator 51 is provided with a U-shaped contact end, a contact spring 53 is fixedly arranged inside the U-shaped contact end, the contact spring 53 ensures good contact, the operation is stable, the impact force is reduced, and the support 6 is connected with the box body 1. The driving motor drives the driving rod 72 to rotate through the speed reducer, the driving rod 72 drives the connecting piece 73 to move, and the connecting piece 73 drives the insulating pull rod 74 to move. Therefore, the insulating pull rod 74 drives the isolation blade 8 to move up and down, and electric opening and closing are realized.

The carrying handles 11 are fixed at two ends of the box body 1, and one side of the box body 1 is provided with an energy storage operating handle 14, an energy storage indicating needle 13, a switching-on and switching-off operating handle 12 and a switching-on and switching-off indicating needle 15. Manual operation and electric operation are realized.

Therefore, the utility model adopts the above structure an electronic isolator, under bracing insulator top are U type contact jaw, and U type contact jaw inside is fixed with contact spring, and the contact is good, and steady operation, the impact force is little, can realize electronic and manual operation through electric operating mechanism and operating handle, and the reliability is high.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the technical solution of the present invention can still be modified or replaced by other equivalent means, and the modified technical solution can not be separated from the spirit and scope of the technical solution of the present invention.

Claims

1. The utility model provides an electronic isolator, includes box, voltage transformer, current transformer, goes up outlet mechanism and outlet mechanism down, its characterized in that: still include electric operating mechanism, electric operating mechanism includes actuating lever, reduction gear and driving motor, driving motor with the reduction gear is connected, the reduction gear with the actuating lever is connected, be fixed with the connecting piece on the actuating lever, the connecting piece is articulated with insulating pull rod one end, the insulating pull rod other end is articulated with keeping apart the blade middle part, it is articulated to keep apart the mount that blade one end is fixed in on the current transformer, keep apart the blade other end with the lower support insulator of mechanism of being qualified for the next round of competitions sets up relatively down, lower support insulator bottom and support fixed connection, lower support insulator upper portion is fixed with the female row of lower junction line, the lower support insulator top is U type contact jaw, U type contact jaw inside is fixed with contact spring, the support with the box is connected.

2. An electrical disconnector according to claim 1, characterized in that: the voltage transformer is fixedly connected with the box body through a connecting plate, the current transformer is fixed on one side of an upper supporting insulator in the upper wire outlet mechanism, the bottom of the upper supporting insulator is fixed on the box body, and an upper wiring busbar is fixed on the top of the upper supporting insulator.

3. An electrical disconnector according to claim 1, characterized in that: the carrying handles are fixed at two ends of the box body, and an energy storage operating handle, an energy storage indicating needle, a switching-on and switching-off operating handle and a switching-on and switching-off indicating needle are arranged on one side of the box body.

4. An electrical disconnector according to claim 1, characterized in that: the reducer and the driving motor are fixed in the electric cabinet, the electric cabinet is fixed at one end of the box body, travel switches are fixed on the support and opposite to two sides of the connecting piece, and the travel switches are connected with the electric cabinet.