CN216562905U - Arc extinguishing chamber of isolating switch - Google Patents
Arc extinguishing chamber of isolating switch Download PDFInfo
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- CN216562905U CN216562905U CN202123334355.9U CN202123334355U CN216562905U CN 216562905 U CN216562905 U CN 216562905U CN 202123334355 U CN202123334355 U CN 202123334355U CN 216562905 U CN216562905 U CN 216562905U
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- arc extinguishing
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Abstract
The utility model discloses an arc extinguishing chamber of an isolating switch, which comprises: the top surface of the arc extinguishing stopper is provided with a notch for mounting a permanent magnet, and the bottom of the arc extinguishing stopper is fixedly provided with a plurality of arc-isolating grid plates which are arranged at equal intervals; a left baffle plate; and the right baffle plate and the left baffle plate are symmetrically arranged at intervals, and an arc extinguishing cover plate, a large grid plate body and a small grid plate body are sequentially arranged between the right baffle plate and the left baffle plate from top to bottom. The device provided by the utility model utilizes the technology of magnetic blow-out and elongation, and the arc is blown off magnetically through the permanent magnet, so that the arc can be elongated greatly in the magnetic blow-out mode, and the arc is effectively blown into the arc-extinguishing grid pieces to be divided and cooled.
Description
Technical Field
The utility model particularly relates to the technical field of isolating switch arc extinguishing, and particularly relates to an isolating switch arc extinguishing chamber.
Background
The low-voltage apparatus direct current (DC1500V) and exchange (AC1000V) switching device usually can make the electric arc extinguish in the free air, in the course of cutting off the circuit, can produce the electric arc between moving contact and the static contact, under the condition that the production of electric arc is accompanied with high-temperature high-pressure, can cause the switch to destroy even burn the switch if can't extinguish the electric arc in time, seriously influence the performance and life of the disconnecting switch, and, lengthen electric arc and cool electric arc when disconnecting the switch, the arc extinguishing ability will be relatively poor under the condition of high current, cause the cooling of the electric arc to worsen, so should extinguish the principle and will receive the restriction in the high current department.
SUMMERY OF THE UTILITY MODEL
Therefore, the present invention provides an arc extinguishing chamber of an isolating switch to solve the problems mentioned in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme: an isolated switch arc-extinguishing chamber comprising:
the top surface of the arc extinguishing stopper is provided with a notch for mounting a permanent magnet, and the bottom of the arc extinguishing stopper is fixedly provided with a plurality of arc-isolating grid plates which are arranged at equal intervals;
a left baffle plate; and
the right clapboard is symmetrical to the left clapboard and is arranged at intervals, an arc extinguishing cover plate, a large grid plate body and a small grid plate body are sequentially arranged between the right clapboard and the left clapboard from top to bottom, wherein,
the rear part of the large grid plate body is inserted into the slot of the arc extinguishing stopper in a matching way, the large grid plate body is formed by sequentially and circularly superposing a plurality of first large arc extinguishing grid pieces and second large arc extinguishing grid pieces, a gap is reserved between each first large arc extinguishing grid piece and the adjacent second large arc extinguishing grid piece,
the arc extinguishing cover plate is pressed on the top surface of the arc extinguishing stopper, the arc extinguishing cover plate is arranged on the top surface of the first large arc extinguishing grid sheet positioned at the top at intervals,
the small grid plate body is formed by sequentially and circularly superposing a plurality of first small arc-extinguishing grid plates and second small arc-extinguishing grid plates, a gap is reserved between each first small arc-extinguishing grid plate and the adjacent second small arc-extinguishing grid plate, and the first small arc-extinguishing grid plate is positioned on the top, the first small arc-extinguishing grid plate is arranged on the bottom surface of the second large arc-extinguishing grid plate at intervals, so that each first small arc-extinguishing grid plate and the second small arc-extinguishing grid plate can be inserted into every two adjacent small arc-extinguishing grid plates in the gap between the arc-extinguishing grid plates.
Further, as preferred, the both sides of first big arc extinguishing bars piece all are fixed and are provided with a first jack catch, the both sides of the big arc extinguishing bars piece of second all are fixed and are provided with two second jack catches.
Further, as preferred, the both sides of first little arc chute piece all are fixed and are provided with two third jack catchs, the both sides of the little arc chute piece of second all are fixed and are provided with a fourth jack catch.
Further, preferably, the thickness of each of the first small arc-extinguishing grid plate and the second small arc-extinguishing grid plate is the same as the distance between every two adjacent arc-isolating grid plates.
By adopting the technology, compared with the prior art, the utility model has the following beneficial effects: in the device, the installation mode between the arc extinguishing barrier piece and each arc extinguishing grid piece is changed from the mode of being placed in an arc extinguishing chamber to the mode of being sleeved on the arc extinguishing grid piece, and the extrusion parts are respectively formed on the arc extinguishing barrier piece, so that each arc extinguishing grid piece and each arc extinguishing barrier piece are fixed, the installation between the arc extinguishing barrier piece and each arc extinguishing barrier piece is realized, the structure is simpler, and the installation is more convenient; secondly, put into the permanent magnet in the notch of arc extinguishing fender top surface to utilize the arc extinguishing apron to fix it, increased the gas blowing ability again.
Drawings
Fig. 1 is a schematic diagram of an explosion structure of an arc extinguish chamber of a disconnecting switch;
FIG. 2 is a schematic view of an arc extinguishing barrier in an arc extinguishing chamber of the isolator;
fig. 3 is a schematic diagram of the connection of a left separator and a right separator in an arc extinguish chamber of a disconnecting switch.
In the figure: 1. a left baffle plate; 2. an arc extinguishing stopper; 3. a permanent magnet; 4. a right baffle plate; 5. an arc extinguishing cover plate; 6. a large grid plate body; 601. a first large arc-extinguishing grid plate; 602. a second large arc-extinguishing grid plate; 7. a small grid plate body; 701. a first small arc-extinguishing grid sheet; 702. a second small arc-extinguishing grid sheet; 8. a slot; 10. an arc-isolating grid plate.
Detailed Description
The technical solution of the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings.
Example (b): referring to fig. 1-3, the present invention provides a technical solution: an isolated switch arc-extinguishing chamber comprising:
the top surface of the arc extinguishing stopper 2 is provided with a notch for mounting the permanent magnet 3, and the bottom of the arc extinguishing stopper 2 is fixedly provided with a plurality of arc-isolating grid plates 10 which are arranged at equal intervals;
a left partition plate 1; and
a right clapboard 4, the right clapboard 4 and the left clapboard 1 are symmetrically arranged at intervals, an arc extinguishing cover plate 5, a large grid plate body 6 and a small grid plate body 7 are sequentially arranged between the right clapboard 4 and the left clapboard 4 from top to bottom, wherein,
the rear part of the large grid plate body 6 is inserted into the slot 8 of the arc extinguishing stopper 2 in a matching way, the large grid plate body 6 is formed by a plurality of first large arc extinguishing grid plates 601 and second large arc extinguishing grid plates 602 which are sequentially and circularly superposed, a gap is reserved between each first large arc extinguishing grid plate 601 and the adjacent second large arc extinguishing grid plate 602,
the arc extinguishing cover plate 5 is pressed on the top surface of the arc extinguishing stopper 2, the arc extinguishing cover plate 5 is arranged on the top surface of the first large arc extinguishing grid plate 601 positioned at the top at intervals,
the small grid plate body 7 is formed by sequentially and circularly superposing a plurality of first small arc-extinguishing grid plates 701 and second small arc-extinguishing grid plates 702, each first small arc-extinguishing grid plate 701 is provided with a gap between the adjacent second small arc-extinguishing grid plates 702, and the first small arc-extinguishing grid plates 701 positioned at the top are arranged on the bottom surface of the second large arc-extinguishing grid plate 602 positioned at the bottom at intervals, so that each first small arc-extinguishing grid plate 701 and each second small arc-extinguishing grid plate 702 can be inserted into the gap between every two adjacent arc-insulating grid plates 10 in a matched mode.
In this embodiment, two sides of the first large arc-extinguishing grid 601 are both fixedly provided with a first clamping jaw, and two sides of the second large arc-extinguishing grid 602 are both fixedly provided with two second clamping jaws; specifically, the first large arc-extinguishing grid 601 is clamped between the right partition plate 4 and the left partition plate 1 by a first clamping jaw thereof, and the second large arc-extinguishing grid 602 is clamped between the right partition plate 4 and the left partition plate 1 by a second clamping jaw thereof.
In this embodiment, two third jaws are fixedly disposed on both sides of the first small arc-extinguishing grid plate 701, and a fourth jaw is fixedly disposed on both sides of the second small arc-extinguishing grid plate 702; specifically, the first small arc-extinguishing grid plate 701 is clamped and fixed between the right partition plate 4 and the left partition plate 1 through a third jaw of the first small arc-extinguishing grid plate 701, and the second small arc-extinguishing grid plate 702 is clamped and fixed between the right partition plate 4 and the left partition plate 1 through a fourth jaw of the second small arc-extinguishing grid plate 702.
In this embodiment, the thickness of each of the first small arc chute plates 701 and the second small arc chute plates 702 is the same as the distance between every two adjacent arc chute plates 10.
During specific implementation, the installation mode between the arc extinguishing barrier piece 2 and each arc extinguishing grid piece is changed from the mode of being placed in an arc extinguishing chamber to the mode of being sleeved on the arc extinguishing grid piece, and extrusion parts are respectively formed on the arc extinguishing barrier piece 2, so that each arc extinguishing grid piece and the arc extinguishing barrier piece 2 are fixed, the installation between the arc extinguishing barrier piece and the arc extinguishing barrier piece is realized, the structure is simpler, and the installation is more convenient; secondly, the permanent magnet 3 is placed in the notch on the top surface of the arc extinguishing stopper and is fixed by the arc extinguishing cover plate 5, and the air blowing capacity is increased.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (4)
1. An isolated switch arc chamber, comprising:
the arc extinguishing stopper (2), the top surface of the arc extinguishing stopper (2) is provided with a notch for mounting the permanent magnet (3), and the bottom of the arc extinguishing stopper (2) is fixedly provided with a plurality of arc isolating grid plates (10) which are arranged at equal intervals;
a left partition plate (1); and
the right clapboard (4) and the left clapboard (1) are symmetrically arranged at intervals, an arc extinguishing cover plate (5), a large grid plate body (6) and a small grid plate body (7) are sequentially arranged between the right clapboard (4) and the left clapboard (1) from top to bottom, wherein,
the rear part of the large grid plate body (6) is inserted into the slot (8) of the arc extinguishing stopper (2) in a matching way, the large grid plate body (6) is formed by sequentially and circularly superposing a plurality of first large arc extinguishing grid plates (601) and second large arc extinguishing grid plates (602), a gap is reserved between each first large arc extinguishing grid plate (601) and the adjacent second large arc extinguishing grid plate (602),
the arc extinguishing cover plate (5) is pressed on the top surface of the arc extinguishing stopper (2), the arc extinguishing cover plate (5) is arranged on the top surface of the first large arc extinguishing grid plate (601) positioned at the top at intervals,
little grid plate body (7) have a plurality of first little arc extinguishing bars piece (701) and the little arc extinguishing bars piece of second (702) to circulate the stack in proper order and constitute, every first little arc extinguishing bars piece (701) all leaves the clearance rather than between the little arc extinguishing bars piece of adjacent second (702), and is located the top one first little arc extinguishing bars piece (701) interval sets up in being located one of below on the bottom surface of the big arc extinguishing bars piece of second (602), make every little arc extinguishing bars piece (701) and the little arc extinguishing bars piece of second (702) all can match and insert every adjacent two in the clearance between arc insulating grid plate (10).
2. An arc-extinguishing chamber of an isolating switch according to claim 1, characterized in that: the two sides of the first large arc-extinguishing grid plate (601) are fixedly provided with a first clamping jaw, and the two sides of the second large arc-extinguishing grid plate (602) are fixedly provided with two second clamping jaws.
3. An arc-extinguishing chamber of an isolating switch according to claim 2, characterized in that: two third clamping jaws are fixedly arranged on two sides of the first small arc-extinguishing grid plate (701), and a fourth clamping jaw is fixedly arranged on two sides of the second small arc-extinguishing grid plate (702).
4. An arc-extinguishing chamber of an isolating switch according to claim 1, characterized in that: the thickness of the first small arc-extinguishing grid plate (701) and the thickness of the second small arc-extinguishing grid plate (702) are the same as the distance between every two adjacent arc-isolating grid plates (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123334355.9U CN216562905U (en) | 2021-12-28 | 2021-12-28 | Arc extinguishing chamber of isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123334355.9U CN216562905U (en) | 2021-12-28 | 2021-12-28 | Arc extinguishing chamber of isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216562905U true CN216562905U (en) | 2022-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123334355.9U Active CN216562905U (en) | 2021-12-28 | 2021-12-28 | Arc extinguishing chamber of isolating switch |
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| Country | Link |
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| CN (1) | CN216562905U (en) |
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2021
- 2021-12-28 CN CN202123334355.9U patent/CN216562905U/en active Active
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