CN212676208U - Arc extinguishing device of frame circuit breaker - Google Patents
Arc extinguishing device of frame circuit breaker Download PDFInfo
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- CN212676208U CN212676208U CN202021552316.9U CN202021552316U CN212676208U CN 212676208 U CN212676208 U CN 212676208U CN 202021552316 U CN202021552316 U CN 202021552316U CN 212676208 U CN212676208 U CN 212676208U
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- arc
- wall
- circuit breaker
- isolating
- arc extinguishing
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Abstract
The utility model relates to the technical field of low-voltage electrical appliances, in particular to an arc extinguishing device of a frame circuit breaker, which comprises an arc-isolating wall, wherein the right side of a left arc-isolating wall is provided with a connecting sliding rod, the right side of the connecting sliding rod is provided with a right arc-isolating wall, the inner walls of the left side and the right side of the arc-isolating wall are uniformly provided with fixed mounting grooves, arc-extinguishing grid plates are arranged on the arc-isolating wall through the fixed mounting grooves, arc striking plates are arranged inside the arc-isolating wall and behind the arc-extinguishing grid plates, arc-isolating plates are arranged inside the arc-isolating wall and above the arc-extinguishing grid plates, exhaust and heat dissipation holes are uniformly arranged on the side wall of the arc-isolating wall, the left distance between the left arc-isolating wall and the right arc-isolating wall can be increased or reduced through the arranged connecting sliding rod, and the arc-extinguishing grid plates can be detachably connected with the arc-isolating wall through the fixed mounting, the frame circuit breaker is more specifically and practically used in the arc extinguishing process.
Description
Technical Field
The utility model relates to a low-voltage apparatus technical field specifically is a frame circuit breaker arc extinguishing device.
Background
An arc extinguishing device: the fundamental reason for the generation of an arc, which surrounds the arcing contacts of a mechanical switch, is that the contacts of the switching apparatus and the medium surrounding them contain a large number of electrons which can be dissociated, which can be strongly dissociated to form an arc when a sufficiently large applied voltage exists between the disconnected contacts and the circuit current also reaches a minimum arcing current. Arc extinction is also called arc extinction and is a term of electric power, namely the root cause of arc extinction is that the contact of the switching equipment and the medium around the contact contain a large amount of electrons which can be dissociated, and when enough external voltage exists between the disconnected contacts and the circuit current reaches the minimum arc generation current, the electrons can be dissociated strongly to form an arc. To keep the circuit conductive, which is dangerous, arc extinguishing devices are generally used in circuit breakers widely for extinguishing arcs.
The arc extinguishing device of the existing frame circuit breaker is in the arc extinguishing process, the most key effect of arc extinguishing is the arc extinguishing grid piece, the arc extinguishing grid piece has a length and a short length, has a big or small size, but the arc extinguishing grid piece installed in the frame circuit breaker is all of fixed size, the frame circuit breaker is unsatisfactory in the effect of probably arc extinguishing in the actual arc extinguishing, but can not change the arc extinguishing grid piece again and reach the effect of increase arc extinguishing, therefore, a frame circuit breaker arc extinguishing device is needed to improve the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a frame circuit breaker arc extinguishing device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a frame circuit breaker arc control device, includes the flash barrier, the flash barrier includes left flash barrier and right flash barrier, the right side of left side flash barrier is provided with connects the slide bar, the right side of connecting the slide bar is provided with right flash barrier, the left and right sides inner wall of flash barrier evenly is provided with fixed mounting groove, and the flash barrier installs arc extinguishing bars piece through fixed mounting groove, the inside of flash barrier is provided with the run-on piece and the rear side that is located the arc extinguishing bars piece, the inside of flash barrier is provided with the flash barrier piece and the upside that is located the arc extinguishing bars piece, the exhaust louvre has evenly been seted up to the lateral wall of flash barrier.
Preferably, the left arc-isolating wall is detachably connected with the right arc-isolating wall in a sliding mode through a connecting sliding rod.
Preferably, the left side of the left arc-isolating wall and the right side of the right arc-isolating wall are both provided with arc striking sheets.
Preferably, the arc extinguishing bars are detachably connected with the arc isolating wall in a sliding mode through the fixed installation grooves.
Preferably, the top of the arc wall is uniformly provided with installation through grooves, and the arc isolating pieces are detachably connected with the arc wall through the installation through grooves.
Preferably, nine exhaust heat dissipation holes are formed in three side walls of the left arc-isolating wall and the right arc-isolating wall.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses in, can more make left flash barrier, right flash barrier control distance increase or reduce through the connection slide bar that sets up to the arc extinguishing bars piece passes through fixed mounting groove and can dismantle with the flash barrier slides and be connected, consequently can change the arc extinguishing bars piece of different model lengths according to the concrete arc extinguishing condition, makes the in-process more concrete reality of frame circuit breaker at the arc extinguishing.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is an overall sectional view of the present invention;
fig. 3 is an overall plan view of the present invention.
In the figure: 1-arc isolation wall 1, 2-left arc isolation wall, 3-right arc isolation wall, 4-connecting sliding rod, 5-fixed mounting groove, 6-arc extinguishing grid sheet, 7-arc striking sheet, 8-arc isolation sheet and 9-exhaust heat dissipation hole.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution:
the utility model provides a frame circuit breaker arc extinguishing device, includes flash barrier 1, its characterized in that: the arc-insulating wall comprises a left arc-insulating wall 2 and a right arc-insulating wall 3, a connecting sliding rod 4 is arranged on the right side of the left arc-insulating wall 2, a right arc-insulating wall 3 is arranged on the right side of the connecting sliding rod 4, fixing mounting grooves 5 are uniformly arranged on the inner walls of the left side and the right side of the arc-insulating wall 1, arc-extinguishing grid sheets 6 are mounted on the arc-insulating wall 1 through the fixing mounting grooves 5, arc-striking sheets 7 are arranged in the arc-insulating wall 1 and at the rear side of the arc-extinguishing grid sheets 6, arc-insulating sheets 8 are arranged in the arc-insulating wall 1 and at the upper side of the arc-extinguishing grid sheets 6, exhaust and heat-dissipation holes 9 are uniformly formed in the side wall of the arc-insulating wall 1, the left arc-insulating wall 2 is connected with the right arc-insulating wall 3 in a sliding and detachable manner through the connecting sliding rod 4, arc-striking sheets 7 are arranged on the left side of the left arc-insulating wall 2 and the right side of the, and it leads to groove and flash barrier 1 through the installation and can dismantle the connection to have flash barrier 8, the trilateral lateral wall of left side flash barrier 2 and right flash barrier 3 all is provided with nine exhaust heat dissipation holes 9, can more make left flash barrier 2 through the connection slide bar 4 that sets up, the distance increases or reduces about the right side flash barrier 3, and arc extinguishing bars piece 6 slides through fixed mounting groove 5 and flash barrier 1 and can dismantle the connection, consequently, can change the arc extinguishing bars piece 6 of different model lengths according to specific arc extinguishing condition, make the frame circuit breaker at the in-process of arc extinguishing more concrete reality.
The utility model discloses work flow: when in use, the arc-extinguishing grid sheet 6 is firstly arranged in the fixed mounting groove 5 in the left arc-isolating wall 2 and then aligned with the fixed mounting groove 5 in the right arc-isolating wall 3, the connecting slide rod 4 is connected with the right arc-isolating wall 3, the arc-isolating piece 8 is inserted into the arc-isolating wall 1, then the arc is led in by the arc striking plate 7 for arc extinction, if the arc extinction effect is not good, the distance between the left arc isolating wall 2 and the right arc isolating wall 3 can be adjusted by connecting the sliding rod 4, compared with the arc extinction grid plate 6 with larger model change number, the left and right distances between the left arc-isolating wall 2 and the right arc-isolating wall 3 can be increased or reduced through the arranged connecting sliding rod 4, and arc extinguishing bars 6 can be connected with arc wall 1 through fixed mounting groove 5 and slip dismantlement, consequently can change the arc extinguishing bars 6 of different model lengths according to specific arc extinguishing condition, make the in-process of frame circuit breaker at the arc extinguishing more concrete reality.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a frame circuit breaker arc extinguishing device, includes flash barrier (1), its characterized in that: the arc wall includes left arc wall (2) and right arc wall (3), the right side of left side arc wall (2) is provided with connects slide bar (4), the right side of connecting slide bar (4) is provided with right arc wall (3), both sides inner wall evenly is provided with fixed mounting groove (5) about arc wall (1), and arc extinguishing bars piece (6) are installed through fixed mounting groove (5) in arc wall (1), the inside of arc wall (1) and the rear side that is located arc extinguishing bars piece (6) are provided with run-on plate (7), the inside of arc wall (1) and the upside that is located arc extinguishing bars piece (6) are provided with arc wall (8), exhaust louvre (9) have evenly been seted up to the lateral wall of arc wall (1).
2. The frame circuit breaker arc extinguishing apparatus of claim 1, wherein: the left flash barrier (2) is connected with the right flash barrier (3) in a sliding and detachable mode through a connecting sliding rod (4).
3. The frame circuit breaker arc extinguishing apparatus of claim 1, wherein: the left side of the left flash barrier (2) and the right side of the right flash barrier (3) are both provided with arc striking sheets (7).
4. The frame circuit breaker arc extinguishing apparatus of claim 1, wherein: the arc extinguishing grid pieces (6) are detachably connected with the arc isolating wall (1) in a sliding mode through the fixed mounting grooves (5).
5. The frame circuit breaker arc extinguishing apparatus of claim 1, wherein: the top of the arc-isolating wall (1) is uniformly provided with an installation through groove, and the arc-isolating sheet (8) is detachably connected with the arc-isolating wall (1) through the installation through groove.
6. The frame circuit breaker arc extinguishing apparatus of claim 1, wherein: nine exhaust heat dissipation holes (9) are formed in three side walls of the left arc-insulating wall (2) and the right arc-insulating wall (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021552316.9U CN212676208U (en) | 2020-07-30 | 2020-07-30 | Arc extinguishing device of frame circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021552316.9U CN212676208U (en) | 2020-07-30 | 2020-07-30 | Arc extinguishing device of frame circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212676208U true CN212676208U (en) | 2021-03-09 |
Family
ID=74817662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021552316.9U Active CN212676208U (en) | 2020-07-30 | 2020-07-30 | Arc extinguishing device of frame circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212676208U (en) |
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2020
- 2020-07-30 CN CN202021552316.9U patent/CN212676208U/en active Active
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