CN220856378U - Arc extinguisher for power switch - Google Patents
Arc extinguisher for power switch Download PDFInfo
- Publication number
- CN220856378U CN220856378U CN202322307039.5U CN202322307039U CN220856378U CN 220856378 U CN220856378 U CN 220856378U CN 202322307039 U CN202322307039 U CN 202322307039U CN 220856378 U CN220856378 U CN 220856378U
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- China
- Prior art keywords
- baffle
- connecting rod
- bearing
- arc
- sliding
- Prior art date
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052802 copper Inorganic materials 0.000 claims abstract description 22
- 239000010949 copper Substances 0.000 claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 238000000926 separation method Methods 0.000 claims abstract description 16
- 230000001629 suppression Effects 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 230000008033 biological extinction Effects 0.000 description 4
- 238000004146 energy storage Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model discloses an arc extinguisher for a power switch, which comprises a shell, a fastening bolt group, conductive copper sheets and an arc extinguishing assembly, wherein the fastening bolt group is installed in an inner cavity of the shell, the fastening bolt group is electrically connected with the conductive copper sheets, the arc extinguishing assembly is installed between the conductive copper sheets, the conductive copper sheets are electrically connected with a socket, the arc extinguishing assembly comprises an arc extinguishing grid, a separation contact mechanism, a first telescopic rod, a first spring, an insulating baffle, a first buckling groove and a second buckling groove, the conductive copper sheets are electrically connected with the conductive rod, one end of the conductive rod is provided with the second telescopic rod, a second spring is arranged around the second telescopic rod, a first baffle is arranged around the first telescopic rod, and a second baffle is arranged below the first baffle. The arc extinguisher for the power switch achieves the arc extinguishing effect by accelerating the connection and separation speed of the contact of the conductive copper sheet through the arc extinguishing gate, avoids the generation of strong arc between the switch contacts and damage to the contacts, and reduces the service life of the switch.
Description
Technical Field
The utility model relates to the technical field of power arc suppression elements, in particular to a power switch arc suppressor.
Background
When the circuit with current is cut off by the switching device, an arc appears in the gap between the moving contact and the fixed contact (arc gap for short). As long as the load current is not large, one can see the arc. In high voltage circuits, when a large current is turned on, a very strong arc is generated. The invention relates to an electric control arc suppression switch device, which realizes the integrated design of an arc suppression switch and a lock rod, can realize arc suppression operation through electric control so as to realize electric control disconnection and connection operation of capacitive load and realize uninterrupted operation, thereby simplifying operation flow, reducing operation difficulty and labor intensity of operators and being beneficial to improving working efficiency and operation safety of electric power overhaul.
Similar to the above-mentioned one electrically controlled arc extinction switch device, the following disadvantages exist at present: the device is generally applied to large-scale equipment such as transformers, and when the device is used as a household switch, particularly when the device is disconnected, instantaneous high voltage can be generated due to the influence of inductance, so that strong electric arcs are generated between switch contacts, the contacts are damaged, and the service life of the switch is shortened.
Accordingly, in view of the above, an electric power switch arc extinguisher is proposed to achieve the purpose of having more practical value by researching and improving the existing structure and the existing defects.
Disclosure of utility model
The utility model aims to provide an arc extinguisher for a power switch, which solves the problem that the prior art proposes that the switch is powered off to generate an arc.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an electric switch arc extinguisher, includes casing, fastening bolt group, electrically conductive copper sheet and arc suppression subassembly, fastening bolt group installs the inner chamber at the casing, fastening bolt group electric connection electrically conductive copper sheet, and installs the arc suppression subassembly between the electrically conductive copper sheet, electrically conductive copper sheet electric connection has the socket, the arc suppression subassembly includes arc extinguishing bars and separation contact mechanism, the arc extinguishing bars is installed in one side of separation contact mechanism, separation contact mechanism includes first telescopic link and the first spring of arranging around the first telescopic link, the one end of first telescopic link is provided with insulating barrier, one side of first telescopic link is provided with first catching groove, and the below of first catching groove is provided with the second catching groove, electrically conductive electric connection has the conducting rod, and the one end of conducting rod is provided with the second telescopic link, the second spring has been arranged around the second telescopic link.
Further, arrange first baffle around the first telescopic link, and the below of first baffle is provided with the second baffle, first baffle sliding connection has first connecting rod, second baffle sliding connection has the second connecting rod, the one end of first connecting rod is provided with first bearing, the one end of second connecting rod is provided with the second bearing, the top of second baffle is provided with the slide rail, first bearing is connected with the slide button through the third connecting rod, the second bearing is connected with the third bearing through the fourth connecting rod, the third bearing is connected with the button through the fifth connecting rod.
Furthermore, the arc extinguishing grid and the separation contact mechanism in the arc extinguishing assembly are symmetrically arranged in the center of the shell, and the first buckling groove and the second buckling groove form a buckling structure.
Further, the second baffle is provided with the spout in a penetrating way, and the spout constitutes sliding structure with the slide rail, first connecting rod passes through first bearing constitution and surrounds first bearing center pivoted revolution mechanic.
Further, the second link constitutes a rotating structure rotating around the center of the second bearing through the second bearing, and the fourth link constitutes a rotating structure rotating around the center of the third bearing through the third bearing.
Further, the second baffle and the second connecting rod form a sliding structure, the fifth connecting rod and the shell form a sliding structure, and the sliding button and the shell form a sliding structure.
Compared with the prior art, the utility model has the beneficial effects that: the arc extinguisher of the power switch achieves the arc extinguishing effect by accelerating the connection and separation speed of the contact of the conductive copper sheet through the arc extinguishing gate, avoids the generation of strong arc between the switch contacts and damage to the contacts, and reduces the service life of the switch;
The device absorbs electric arcs through the arc extinguishing grids in the arc extinguishing assembly, and the contact of the switch is quickly isolated through the insulating baffle in the separation contact mechanism so as to achieve the aim of arc extinction, wherein the insulating baffle is stored by utilizing the first telescopic rod and the first spring, and the insulating baffle after the energy storage is limited through the first buckling groove and the second buckling groove so as to quickly release the insulating baffle, so that the aim of quickly isolating the contact of the switch is achieved.
Drawings
FIG. 1 is a schematic diagram of a top view of an arc extinguisher for a power switch according to the present utility model;
FIG. 2 is a schematic diagram of a side view of an arc extinguisher of a power switch according to the present utility model;
FIG. 3 is a schematic diagram of the structure of the arc extinguisher for a power switch according to the present utility model at A in FIG. two;
FIG. 4 is a schematic diagram of a power switch arc extinguisher separation contact mechanism according to the present utility model;
fig. 5 is a schematic diagram of a structure of a power switch arc extinguisher separation contact mechanism according to the present utility model.
In the figure: 1. a housing; 2. a fastening bolt group; 3. a conductive copper sheet; 4. an arc extinction assembly; 401. arc extinguishing grid; 402. a separation contact mechanism; 4021. a first telescopic rod; 4022. a first spring; 4023. an insulating baffle; 4024. a first buckling groove; 4025. a second buckling groove; 403. a conductive rod; 404. a second telescopic rod; 405. a second spring; 5. a socket; 6. a first baffle; 7. a second baffle; 8. a first link; 9. a second link; 10. a first bearing; 11. a second bearing; 12. a slide rail; 13. a third link; 14. a slide button; 15. a fourth link; 16. a third bearing; 17. a fifth link; 18. a button.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 5, the present utility model provides a technical solution: an arc extinguisher for a power switch comprises a shell 1, a fastening bolt group 2, a conductive copper sheet 3 and an arc extinguishing component 4, wherein the fastening bolt group 2 is arranged in the inner cavity of the shell 1, the fastening bolt group 2 is electrically connected with the conductive copper sheet 3, the arc extinguishing component 4 is arranged between the conductive copper sheets 3, the conductive copper sheet 3 is electrically connected with a socket 5, the arc extinguishing component 4 comprises an arc extinguishing grating 401 and a separating contact mechanism 402, the arc extinguishing grating 401 is arranged on one side of the separating contact mechanism 402, the separating contact mechanism 402 comprises a first telescopic rod 4021 and a first spring 4022 arranged around the first telescopic rod 4021, one end of the first telescopic rod 4021 is provided with an insulating baffle 4023, one side of the first telescopic rod 4021 is provided with a first buckling groove 4024, a second buckling groove 4025 is arranged below the first buckling groove 4024, the conductive copper sheet 3 is electrically connected with a conductive rod 403, one end of the conductive rod 403 is provided with a second telescopic rod 404, a second spring 405 is arranged around the second telescopic rod 404, a first baffle 6 is arranged around a first telescopic rod 4021, a second baffle 7 is arranged below the first baffle 6, the first baffle 6 is slidably connected with a first connecting rod 8, the second baffle 7 is slidably connected with a second connecting rod 9, one end of the first connecting rod 8 is provided with a first bearing 10, one end of the second connecting rod 9 is provided with a second bearing 11, a sliding rail 12 is arranged above the second baffle 7, the first bearing 10 is connected with a sliding button 14 through a third connecting rod 13, the second bearing 11 is connected with a third bearing 16 through a fourth connecting rod 15, and the third bearing 16 is connected with a button 18 through a fifth connecting rod 17;
The arc extinguishing bar 401 and the separating contact mechanism 402 in the arc extinguishing assembly 4 are symmetrically arranged in the center of the shell 1, the first buckling groove 4024 and the second buckling groove 4025 form a buckling structure, the second baffle 7 is provided with a sliding groove in a penetrating mode, the sliding groove and the sliding rail 12 form a sliding structure, the first connecting rod 8 forms a rotating structure rotating around the center of the first bearing 10 through the first bearing 10, the second connecting rod 9 forms a rotating structure rotating around the center of the second bearing 11 through the second bearing 11, the fourth connecting rod 15 forms a rotating structure rotating around the center of the third bearing 16 through the third bearing 16, the second baffle 7 and the second connecting rod 9 form a sliding structure, the fifth connecting rod 17 forms a sliding structure with the shell 1, the sliding button 14 and the shell 1 form a sliding structure, and the push button 18 drives the second baffle 7 to move upwards through the second connecting rod 9, the second bearing 11, the fourth connecting rod 15 and the fifth connecting rod 17 through pressing the push button 18, so that the insulating baffle 4023 stores energy;
Through the sliding slide button 14, the slide button 14 drives the first baffle 6 to descend through the first connecting rod 8, the first bearing 10 and the third connecting rod 13, thereby the separation contact mechanism 402 releases the insulating baffle 4023 through the first spring 4022, the arc is absorbed by utilizing the arc extinguishing grating 401 in the arc extinguishing assembly 4, the switch contact is rapidly separated by utilizing the insulating baffle 4023 in the separation contact mechanism 402, so as to achieve the aim of arc extinction, wherein the insulating baffle 4023 is stored by the first telescopic rod 4021 and the first spring 4022, and the insulating baffle 4023 after the energy storage is limited by utilizing the first buckling groove 4024 and the second buckling groove 4025, so that the insulating baffle 4023 is rapidly released, and the aim of rapidly separating the switch contact is achieved.
Working principle: when the arc suppressor for the power switch is used, arc suppression grids 401 in the arc suppression assembly 4 are utilized to absorb an arc, wherein the first telescopic rod 4021 and the first spring 4022 are utilized to store energy of the insulating baffle 4023, the first buckling groove 4024 and the second buckling groove 4025 are utilized to limit the insulating baffle 4023 after energy storage so as to quickly release the insulating baffle 4023, the purpose of quickly disconnecting a switch contact is achieved, the button 18 is pushed to drive the second baffle 7 to move upwards through the second connecting rod 9, the second bearing 11, the fourth connecting rod 15 and the fifth connecting rod 17, the insulating baffle 4023 is enabled to store energy, the sliding button 14 drives the first baffle 6 to descend through the first connecting rod 8, the first bearing 10 and the third connecting rod 13, the separating contact mechanism 402 is enabled to release the insulating baffle 4023 through the first spring 4022, and the insulating baffle 4023 in the separating contact mechanism 402 is utilized to quickly isolate the switch contact, so that the purpose of quickly disconnecting the switch contact is achieved.
Claims (6)
1. The utility model provides an electric switch arc extinguisher, includes casing (1), fastening bolt group (2), electrically conductive copper sheet (3) and arc extinguishing subassembly (4), its characterized in that: the utility model discloses a high-voltage cable socket, including casing (1), fastening bolt group (2) electric connection electrically conducts copper sheet (3), and installs arc suppression subassembly (4) between electrically conductive copper sheet (3), electrically conductive copper sheet (3) electric connection has socket (5), arc suppression subassembly (4) include arc suppression bars (401) and separation contact mechanism (402), arc suppression bars (401) install in one side of separation contact mechanism (402), separation contact mechanism (402) include first telescopic link (4021) and first spring (4022) of arranging around first telescopic link (4021), one end of first telescopic link (4021) is provided with insulating baffle (4023), one side of first telescopic link (4021) is provided with first catching groove (4024), and the below of first catching groove (4024) is provided with second catching groove (4025), electrically conductive copper sheet (3) electric connection has conducting rod (403), and the one end of conducting rod (403) is provided with second telescopic link (404), the second telescopic link (404) is arranged around the second telescopic link (404).
2. A power switching arc extinguisher as claimed in claim 1 wherein: the first baffle (6) has been arranged around first telescopic link (4021), and the below of first baffle (6) is provided with second baffle (7), first baffle (6) sliding connection has first connecting rod (8), second baffle (7) sliding connection has second connecting rod (9), the one end of first connecting rod (8) is provided with first bearing (10), the one end of second connecting rod (9) is provided with second bearing (11), the top of second baffle (7) is provided with slide rail (12), first bearing (10) are connected with slide button (14) through third connecting rod (13), third bearing (16) are connected through fourth connecting rod (15), third bearing (16) are connected button (18) through fifth connecting rod (17).
3. A power switching arc extinguisher as claimed in claim 1 wherein: the arc extinguishing bars (401) and the separating contact mechanisms (402) in the arc extinguishing assembly (4) are symmetrically arranged in the center of the shell (1), and the first buckling grooves (4024) and the second buckling grooves (4025) form a buckling structure.
4. A power switching arc extinguisher as claimed in claim 2 wherein: the second baffle (7) is provided with a sliding groove in a penetrating mode, the sliding groove and the sliding rail (12) form a sliding structure, and the first connecting rod (8) forms a rotating structure which rotates around the center of the first bearing (10) through the first bearing (10).
5. A power switching arc extinguisher as claimed in claim 2 wherein: the second connecting rod (9) forms a rotating structure rotating around the center of the second bearing (11) through the second bearing (11), and the fourth connecting rod (15) forms a rotating structure rotating around the center of the third bearing (16) through the third bearing (16).
6. A power switching arc extinguisher as claimed in claim 2 wherein: the second baffle (7) and the second connecting rod (9) form a sliding structure, the fifth connecting rod (17) and the shell (1) form a sliding structure, and the sliding button (14) and the shell (1) form a sliding structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322307039.5U CN220856378U (en) | 2023-08-28 | 2023-08-28 | Arc extinguisher for power switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322307039.5U CN220856378U (en) | 2023-08-28 | 2023-08-28 | Arc extinguisher for power switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220856378U true CN220856378U (en) | 2024-04-26 |
Family
ID=90788607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322307039.5U Active CN220856378U (en) | 2023-08-28 | 2023-08-28 | Arc extinguisher for power switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220856378U (en) |
-
2023
- 2023-08-28 CN CN202322307039.5U patent/CN220856378U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |