CN213364977U

CN213364977U - Device for measuring switching-on and switching-off speed of C unit of ring network inflatable cabinet

Info

Publication number: CN213364977U
Application number: CN202022406520.6U
Authority: CN
Inventors: 苏太育; 张春玉; 董燕天; 钟豪斐; 吕汀辉
Original assignee: Fujian Huakai Electric Power Technology Co ltd
Current assignee: Fujian Huakai Electric Power Technology Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-06-04
Anticipated expiration: 2030-10-27

Abstract

The utility model relates to the technical field of electrical equipment, the scheme is a device for measuring the switching-on and switching-off speed of a C unit of a ring network inflatable cabinet, the device comprises an angular displacement sensor, a switching sleeve, an angular displacement sensor fixing rod and a limiting block; the right end of the fixed rod of the angular displacement sensor penetrates through the rotating center of the isolating switch, and a convex ring is arranged on the right rod wall of the fixed rod of the angular displacement sensor; the fixed rod of the angular displacement sensor and the angular displacement sensor are fixed through the switching screw rod, the angular displacement fixed rod and the angular displacement sensor move synchronously, the angular displacement sensor is fixed on the C unit frame of the ring network gas-filled cabinet, the opening and closing speed can be measured through the opening and closing operation of the isolation disconnecting link, and the measuring result of the opening and closing speed is guaranteed to have good accuracy and reliability.

Description

Device for measuring switching-on and switching-off speed of C unit of ring network inflatable cabinet

Technical Field

The utility model relates to an electrical equipment technical field specifically is a be used for looped netowrk to aerify cabinet C unit divide-shut brake speed measuring device.

Background

The switching-on and switching-off speed is used as an important mechanical characteristic parameter of the C unit of the ring network gas-filled cabinet, and refers to the relative movement speed of a contact in the switching-on/off process of a switch. The speed of switching on and off is too high, the abrasion of the contact, the measuring device and the isolating disconnecting link is aggravated, and the service life is reduced; the switching-on and switching-off speed is too low, the fault current cannot be cut off, and accidents such as override tripping or explosion can be caused. Therefore, the accuracy of the on-off brake speed measurement is a reliable condition for ensuring the safe operation of the ring network gas charging cabinet C unit.

As shown in fig. 3, in the conventional device for measuring the switching-on/off speed of the ring network gas-filled cabinet C unit, due to the structure of the C unit, the conventional measuring equipment is generally directly installed on the main shaft 7 for measurement, the main shaft 7 drives the crank arm 8, the crank arm 8 drives the push rod 9, and the push rod 9 drives the isolation switch 5 to move, and the isolation switch 5 and the push rod 9 are connected at one end (the upper end of the isolation switch), so that the angular displacement is large, and after multi-stage transmission, the ratio of the angular speed of the main shaft to the speed of the break of the switch is variable rather than fixed. Due to the factors, the final measured switching-on and switching-off speed is different from an actual debugging value, the measured parameters are unreliable, and the reliability of safe operation of the C unit is reduced.

Based on this, the utility model designs a be used for looped netowrk to aerify cabinet C unit divide-shut brake speed measuring device to solve the above-mentioned problem that appears.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be arranged in looped netowrk to aerify cabinet C unit divide-shut brake speed measuring device to solve the problem among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a device for measuring the switching-on and switching-off speed of a C unit of a ring network inflatable cabinet comprises an angular displacement sensor, a switching sleeve, an angular displacement sensor fixing rod and a limiting block;

the right end of the fixed rod of the angular displacement sensor penetrates through the rotation center of the isolation switch, a convex ring is arranged on the right rod wall of the fixed rod of the angular displacement sensor, the isolation switch is positioned on the rod wall on the right side of the convex ring, the limiting block is sleeved on the right part of the fixed rod of the angular displacement sensor, and the limiting block is tightly attached to the right side of the isolation switch and is locked and positioned through screws;

the right end of the angular displacement sensor is inserted into the switching sleeve and fixed through screws, and the left end of the fixed rod of the angular displacement sensor is inserted into the switching sleeve and fixed through screws.

Preferably, a gasket is arranged between the convex ring and the isolation knife switch.

Preferably, the switching sleeve pipe is the pipe fitting that both ends link up, first last screw hole has all been seted up to the pipe wall left and right sides of switching sleeve pipe, the right-hand member of angle displacement sensor and the left end of angle displacement sensor dead lever all correspond first last screw hole and have seted up first screw hole down.

Preferably, the side face of the limiting block is provided with a second upper screw hole, and the right part of the angular displacement sensor fixing rod is provided with a second lower screw hole corresponding to the second upper screw hole.

Preferably, the angular displacement sensor is fixedly arranged on a frame of the looped network inflatable cabinet C unit.

Compared with the prior art, the beneficial effects of the utility model are that: according to the scheme, the fixed rod of the angular displacement sensor is concentric with the rotation center of the isolation switch and is fixed by the limiting block, and the fixed rod of the angular displacement sensor and the isolation switch can synchronously rotate during switching on and switching off operations; the fixed rod of the angular displacement sensor and the angular displacement sensor are fixed through the switching screw rod, the angular displacement fixed rod and the angular displacement sensor move synchronously, the angular displacement sensor is fixed on the C unit frame of the ring network gas-filled cabinet, the opening and closing speed can be measured through the opening and closing operation of the isolation disconnecting link, and the measuring result of the opening and closing speed is guaranteed to have good accuracy and reliability.

Drawings

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

FIG. 1 is a schematic structural view of the opening and closing speed measuring device of the present invention;

FIG. 2 is an installation schematic diagram of the opening and closing speed measuring device of the present invention;

fig. 3 is a schematic diagram of a conventional opening and closing speed measuring device.

The reference numbers are as follows:

1. an angular displacement sensor; 2. adapting a sleeve; 3. an angular displacement sensor fixing rod; 4. a gasket; 5. isolating the disconnecting link; 6. a limiting block; 7. a main shaft; 8. a crank arm; 9. a push rod; 10. a rear closing plate; 11. load switch reset spring mechanism.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a device for measuring the switching-on and switching-off speed of a C unit of a ring network inflatable cabinet comprises an angular displacement sensor 1, a switching sleeve 2, an angular displacement sensor fixing rod 3 and a limiting block 6;

the right end of the fixed rod 3 of the angular displacement sensor penetrates through the rotation center of the isolation switch 5, a convex ring is arranged on the right rod wall of the fixed rod 3 of the angular displacement sensor, the isolation switch 5 is positioned on the rod wall on the right side of the convex ring, a limiting block 6 is sleeved on the right part of the fixed rod 3 of the angular displacement sensor, and the limiting block 6 is tightly attached to the right side of the isolation switch 5 and is locked and positioned through screws;

the right end of the angular displacement sensor 1 is inserted into the adapter sleeve 2 and fixed by screws, and the left end of the angular displacement sensor fixing rod 3 is inserted into the adapter sleeve 2 and fixed by screws.

Further, a gasket 4 is arranged between the convex ring and the isolation switch 5.

Further, switching sleeve pipe 2 is the pipe fitting that both ends link up, and the first screw hole of going up has all been seted up to the pipe wall left and right sides of switching sleeve pipe 2, and the right-hand member of angular displacement sensor 1 and the left end of angular displacement sensor dead lever 3 all correspond first screw hole of going up and seted up first screw hole down.

Furthermore, a second upper screw hole is formed in the side face of the limiting block 6, and a second lower screw hole is formed in the right portion of the angular displacement sensor fixing rod 3 corresponding to the second upper screw hole.

Further, the angular displacement sensor 1 is fixedly arranged on a framework of the ring network inflatable cabinet C unit.

As shown in fig. 2, the upper end and the lower end of the isolation switch 5 are provided with a load switch return spring mechanism 11. When the ring network inflatable cabinet is in work, the load switch reset spring mechanism 11 close to the rear sealing plate 10 of the ring network inflatable cabinet is detached, then the angular displacement sensor fixing rod 3 penetrates into the isolation switch 5 from the left side to the right side, so that the angular displacement sensor fixing rod 3 and the rotation center of the isolation switch 5 are concentric, the limiting block 6 is sleeved into the isolation switch from the right side to the left side, is tightly attached to the right side of the isolation switch 5, and is locked by screws; and a gasket is additionally arranged between the angular displacement sensor fixing rod 3 and the isolation switch 5 according to the isolation switches 5 with different specifications on the right side of the angular displacement sensor fixing rod 3, the angular displacement sensor fixing rod 3 is tightly attached to the left side of the isolation switch 5, and the left side of the angular displacement sensor fixing rod 3 is aligned to the hole site of the adapter sleeve 2 and is locked by a screw. The right end of the angular displacement sensor 1 is sleeved into the adapter sleeve 2, is aligned with the hole position of the adapter sleeve 2 and is locked by a screw. The angular displacement sensor fixing rod 3 is driven to synchronously rotate through the switching-on and switching-off operation of the isolation switch 5, the angular displacement sensor fixing rod 3 drives the angular displacement sensor 1 to synchronously rotate, and finally the angular displacement speed of the isolation switch obtained through measurement is the switching-on and switching-off speed of the fracture of the isolation switch 5.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The further embodiments of the present invention disclosed above are merely intended to help illustrate the present invention. Further embodiments are not exhaustive and do not limit the utility model to the specific embodiments described. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a be used for looped netowrk to aerify cabinet C unit divide-shut brake speed measurement's device which characterized in that: the device comprises an angular displacement sensor (1), a switching sleeve (2), an angular displacement sensor fixing rod (3) and a limiting block (6);

the right end of the fixed rod (3) of the angular displacement sensor penetrates through the rotation center of the isolation switch (5), a convex ring is arranged on the right rod wall of the fixed rod (3) of the angular displacement sensor, the isolation switch (5) is positioned on the rod wall on the right side of the convex ring, the limiting block (6) is sleeved on the right part of the fixed rod (3) of the angular displacement sensor, and the limiting block (6) is tightly attached to the right side of the isolation switch (5) and is locked and positioned through screws;

the right end of the angular displacement sensor (1) is inserted into the adapter sleeve (2) and fixed through screws, and the left end of the angular displacement sensor fixing rod (3) is inserted into the adapter sleeve (2) and fixed through screws.

2. The device for measuring the switching-on and switching-off speed of the C unit of the ring main unit according to claim 1, is characterized in that: and a gasket (4) is arranged between the convex ring and the isolation switch (5).

3. The device for measuring the switching-on and switching-off speed of the C unit of the ring main unit according to claim 1, is characterized in that: switching sleeve pipe (2) are the pipe fitting that both ends link up, the first screw hole of going up has all been seted up to the pipe wall left and right sides of switching sleeve pipe (2), the right-hand member of angle displacement sensor (1) and the left end of angle displacement sensor dead lever (3) all correspond first screw hole of going up and seted up first screw hole down.

4. The device for measuring the switching-on and switching-off speed of the C unit of the ring main unit according to claim 1, is characterized in that: the side face of the limiting block (6) is provided with a second upper screw hole, and the right part of the angular displacement sensor fixing rod (3) corresponds to the second upper screw hole and is provided with a second lower screw hole.

5. The device for measuring the switching-on and switching-off speed of the C unit of the ring main unit according to claim 1, is characterized in that: the angular displacement sensor (1) is fixedly arranged on a framework of the ring network inflatable cabinet C unit.