CN219759452U - High-current vacuum mutual-throw switch arc-extinguishing chamber - Google Patents
High-current vacuum mutual-throw switch arc-extinguishing chamber Download PDFInfo
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- CN219759452U CN219759452U CN202320281362.7U CN202320281362U CN219759452U CN 219759452 U CN219759452 U CN 219759452U CN 202320281362 U CN202320281362 U CN 202320281362U CN 219759452 U CN219759452 U CN 219759452U
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- extinguishing chamber
- vacuum
- arc
- wire outlet
- outlet end
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- 238000004880 explosion Methods 0.000 claims description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 16
- 229910052802 copper Inorganic materials 0.000 claims description 16
- 239000010949 copper Substances 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000010891 electric arc Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 5
- 230000008033 biological extinction Effects 0.000 abstract description 4
- 206010000369 Accident Diseases 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Abstract
The utility model discloses a high-current vacuum mutual-throw switch arc-extinguishing chamber, which relates to the technical field of double-power mutual-throw switches and comprises a common wire outlet end of a vacuum arc-extinguishing chamber, a common power vacuum arc-extinguishing chamber and a standby power vacuum arc-extinguishing chamber, wherein the front end of the common wire outlet end of the vacuum arc-extinguishing chamber is provided with a common wire outlet end conducting end, the common power vacuum arc-extinguishing chamber is positioned above the common wire outlet end of the vacuum arc-extinguishing chamber, and the standby power vacuum arc-extinguishing chamber is positioned below the common wire outlet end of the vacuum arc-extinguishing chamber. According to the utility model, the vacuum arc-extinguishing chamber is adopted to replace the traditional air-type arc-extinguishing chamber, so that the electric arc generated by the common power supply and the standby power supply switch when breaking fault current is extinguished in the vacuum arc-extinguishing chamber, and the process from the generation of the electric arc to the extinction is completed in a vacuum state without contacting with air, thereby avoiding the influence of unstable factors in the air on the device and improving the use safety of the device.
Description
Technical Field
The utility model relates to the technical field of dual-power mutual-switching, in particular to a high-current vacuum mutual-switching arc-extinguishing chamber.
Background
Along with the development of national reminiscence, the requirements on power supply safety and power supply reliability are higher and higher, and the low-voltage double-power-supply mutual switching device is widely applied to important factories such as hospitals, banks, military, metallurgy, data centers and the like.
At present, an arc extinguish chamber device of a dual-power mutual-switching switch at home and abroad is an air arc extinguish chamber device, and is an integral body formed by an arc extinguishing grid spacer and an insulating frame, and is arranged above a moving contact and a fixed contact of the switch, and an arc generated when the switch breaks current is separated by the arc extinguishing grid to elongate the arc, so that the arc generated when the current is broken is extinguished, the arc is completed in air from the arc generation to the arc extinction, and if the explosion accident or fire accident is caused when the switch breaks under a special environment with combustible gas, personnel or equipment is injured, and the surrounding air environment is influenced.
Therefore, how to ensure that the arc generated by the switch when breaking the fault current is not contacted with air, and the arc generated by switching off the switch can not be dangerous in the environment with more dust is an important technical problem which needs to be solved by the person skilled in the art at present.
Disclosure of Invention
Based on the above, the utility model aims to provide a high-current vacuum mutual-switching arc-extinguishing chamber so as to solve the problems that an explosion accident or fire accident occurs and personnel or equipment is injured due to the fact that an arc generated when the current is disconnected by the existing double-power mutual-switching switch contacts with air.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a heavy current vacuum mutual switching explosion chamber, includes the public play line end of vacuum explosion chamber, commonly used power vacuum explosion chamber and stand-by power supply vacuum explosion chamber, public play line end conductive end is installed to the front end of the public play line end of vacuum explosion chamber, and the front end of public play line end conductive end is provided with public play line end moving contact, commonly used power supply vacuum explosion chamber is located the top of the public play line end of vacuum explosion chamber, stand-by power supply vacuum explosion chamber is located the below of the public play line end of vacuum explosion chamber.
Preferably, the common wire outlet end conductive end is fixed on the front end outer surface of the common wire outlet end of the vacuum arc-extinguishing chamber through a first bolt, and the common wire outlet end conductive end is in an L-shaped structure.
Preferably, the upper part of the common power supply vacuum arc-extinguishing chamber and the lower part of the standby power supply vacuum arc-extinguishing chamber are both provided with arc-extinguishing chamber movable conducting rods, one end of each arc-extinguishing chamber movable conducting rod, which is far away from a public outlet end of the vacuum arc-extinguishing chamber, is provided with an insulating pull rod, and one end of each insulating pull rod, which is far away from the arc-extinguishing chamber movable conducting rod, is provided with a cross transmission shaft.
Preferably, the outside of insulating pull rod is provided with electrically conductive clamp, and electrically conductive front end that presss from both sides installs red copper material flexible coupling.
Preferably, the conductive clamp comprises a bottom plate, a first clamping plate, a second clamping plate, a rotating shaft and screws, wherein the first clamping plate and the second clamping plate are respectively arranged on the surface of the bottom plate, the first clamping plate is welded with the bottom plate, the second clamping plate is rotationally connected with the bottom plate through the rotating shaft, and the screws penetrate through one ends, far away from the bottom plate, of the first clamping plate and the second clamping plate.
Preferably, the front end of the soft connection made of red copper material is connected with the conductive end on the power inlet wire side through a second bolt, and the front end of the conductive end on the power inlet wire side is provided with a power inlet wire moving contact, and the conductive clamp is connected with the conductive end on the power inlet wire side through the soft connection made of red copper material.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the vacuum arc-extinguishing chamber is adopted to replace the traditional air-type arc-extinguishing chamber, so that the electric arc generated by the common power supply and the standby power supply switch when breaking fault current is extinguished in the vacuum arc-extinguishing chamber, and the process from the generation of the electric arc to the extinction is completed in a vacuum state without contacting with air, thereby avoiding the influence of unstable factors in the air on the air and improving the use safety of the device;
2. the upper end and the lower end of the common outlet end of the vacuum arc-extinguishing chamber are respectively fixed with the common power supply vacuum arc-extinguishing chamber and the standby power supply vacuum arc-extinguishing chamber, and the outlet ends of the common power supply vacuum arc-extinguishing chamber and the standby power supply vacuum arc-extinguishing chamber are concentrated on the common outlet end of the vacuum arc-extinguishing chamber, so that the device forms a whole, and the device has small volume, long service life and high use safety after being assembled.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic elevational view of the present utility model;
FIG. 3 is a schematic view of the rear end face structure of the present utility model;
fig. 4 is a schematic top view of the conductive clip of the present utility model.
In the figure: 1. a common wire outlet end of the vacuum arc extinguishing chamber; 2. a common wire outlet end conductive end; 3. a first bolt; 4. a common wire outlet terminal moving contact; 5. a common power supply vacuum arc-extinguishing chamber; 6. a standby power supply vacuum arc-extinguishing chamber; 7. moving conducting rods of arc extinguishing chambers; 8. an insulating pull rod; 9. a cross transmission shaft; 10. a conductive clip; 1001. a bottom plate; 1002. a first clamping plate; 1003. a second clamping plate; 1004. a rotating shaft; 1005. a screw; 11. soft connection of red copper material; 12. a conductive end at the power inlet side; 13. a power supply inlet wire terminal moving contact; 14. and a second bolt.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.
Referring to fig. 1-4, a high-current vacuum mutual switching arc-extinguishing chamber comprises a vacuum arc-extinguishing chamber public wire outlet end 1, a common power supply vacuum arc-extinguishing chamber 5 and a standby power supply vacuum arc-extinguishing chamber 6, wherein the front end of the vacuum arc-extinguishing chamber public wire outlet end 1 is provided with a public wire outlet end conducting end 2, the front end of the public wire outlet end conducting end 2 is provided with a public wire outlet end moving contact 4, the public wire outlet end conducting end 2 is fixed on the front end outer surface of the vacuum arc-extinguishing chamber public wire outlet end 1 through a first bolt 3, the public wire outlet end conducting end 2 is in an L-shaped structure, the common power supply vacuum arc-extinguishing chamber 5 is positioned above the vacuum arc-extinguishing chamber public wire outlet end 1, the standby power supply vacuum arc-extinguishing chamber 6 is positioned below the vacuum arc-extinguishing chamber public wire outlet end 1, the device can make the electric arc generated by the common power supply and the standby power supply switch when breaking fault current extinguish in the vacuum arc-extinguishing chamber by adopting the vacuum arc-extinguishing chamber instead of the traditional air-extinguishing chamber, complete the process from the generation of the electric arc to the extinction in the vacuum state without contacting with air, thereby avoiding the influence of unstable factors in the air on the electric arc, improving the use safety of the device, and improving the use safety of the device because the common power supply vacuum arc-extinguishing chamber 5 and the standby power supply vacuum arc-extinguishing chamber 6 are connected with the common outlet terminal 1 of the vacuum arc-extinguishing chamber, the device forms a whole, and has small volume, long service life and high use safety after assembly;
the electric pole is characterized in that a conductive clamp 10 is arranged on the outer side of an insulating pull rod 8, a red copper flexible connection 11 is arranged at the front end of the conductive clamp 10, the conductive clamp 10 is used for connecting the red copper flexible connection 11 and an arc-extinguishing chamber movable conductive rod 7, the conductive clamp 10 comprises a bottom plate 1001, a first clamping plate 1002, a second clamping plate 1003, a rotating shaft 1004 and screws 1005, the first clamping plate 1002 and the second clamping plate 1003 are respectively arranged on the surface of the bottom plate 1001, the first clamping plate 1002 is welded with the bottom plate 1001, the second clamping plate 1003 is rotationally connected with the bottom plate 1001 through the rotating shaft 1004, one ends of the first clamping plate 1002 and the second clamping plate 1003, far away from the bottom plate 1001, penetrate screws 1005, when the conductive clamp 10 is installed, the first clamping plate 1002 can be rotationally opened through the rotating shaft 1004, the second clamping plate 1003 is attached to the outer side of the arc-extinguishing chamber movable conductive rod 7, then the first clamping plate 1002 is rotated, the first clamping plate 1002 is attached to the outer side of the arc-extinguishing chamber movable conductive rod 7, and finally the conductive clamp 10 is stably sleeved on the outer side of the arc-extinguishing chamber movable conductive rod 7 through the screws 1005, and the screws 1005 are penetrated through the first clamping plate 1002, and the conductive clamp 10 is convenient to assemble and disassemble.
The front end of the red copper flexible connection 11 is connected with the power inlet wire side conducting end 12 through the second bolt 14, the front end of the power inlet wire side conducting end 12 is provided with the power inlet wire side conducting end moving contact 13, the conducting clamp 10 is connected with the power inlet wire side conducting end 12 through the red copper flexible connection 11, the common power wire is connected with the power inlet wire side conducting contact 13, generated current passes through the power inlet wire side conducting end 12, the red copper flexible connection 11 and the arc extinguishing chamber moving conducting rod 7, a fixed contact in the common power vacuum arc extinguishing chamber 5 is connected with a moving contact, an electric arc is generated when the fixed contact is disconnected with the moving contact, the electric arc is generated and released in the common power vacuum arc extinguishing chamber 5, the whole process is not contacted with external air, and the electric arc generated by disconnection of the standby power wire is released in the standby power vacuum arc extinguishing chamber 6.
Working principle: when in use, the conducting clamp 10 is firstly arranged on the outer side of the movable conducting rod 7 of the arc-extinguishing chamber, the first clamping plate 1002 is rotated and opened through the rotating shaft 1004, the second clamping plate 1003 is attached to the outer side of the movable conducting rod 7 of the arc-extinguishing chamber, then the first clamping plate 1002 is rotated, the first clamping plate 1002 is attached to the outer side of the movable conducting rod 7 of the arc-extinguishing chamber, finally the first clamping plate 1002 and the second clamping plate 1003 are penetrated through the screw 1005, the conducting clamp 10 is stably sheathed on the outer side of the movable conducting rod 7 of the arc-extinguishing chamber, the upper end and the lower end of the common outlet terminal 1 of the vacuum arc-extinguishing chamber are respectively fixed with the common power supply vacuum arc-extinguishing chamber 5 and the standby power supply vacuum arc-extinguishing chamber 6, the movable conducting rod 7 of the arc-extinguishing chamber is arranged on the common power supply vacuum arc-extinguishing chamber 5, the outer side of the movable conducting rod 7 of the arc-extinguishing chamber is connected with the soft connection 11 of the red copper material through the conducting clamp 10, the soft connection 11 of the red copper material is connected with the conducting end 12 on the side of the power supply inlet wire, the power inlet wire terminal moving contact 13 is arranged at the front end of the power inlet wire side conducting end 12, the common power wire is connected with the power inlet wire terminal moving contact 13, generated current passes through the power inlet wire side conducting end 12, the red copper soft connection 11 and the arc-extinguishing chamber moving conducting rod 7, so that a fixed contact in the common power vacuum arc-extinguishing chamber 5 is connected with the moving contact, after the current is disconnected, the fixed contact is separated from the moving contact, the current is contracted to a point where the contact is just separated, the severe increase of the inter-electrode resistance and the rapid increase of the temperature occur until the evaporation of electrode metal occurs, and extremely high electric field intensity is formed, extremely strong emission and gap breakdown are caused, the electric arc is generated and released in the common power vacuum arc-extinguishing chamber 5, the whole process is not contacted with external air, therefore, the safety is high, and similarly, the arc-extinguishing chamber moving conducting rod 7, the conducting clip 10 are arranged below the standby power vacuum arc-extinguishing chamber 6 The red copper flexible connection 11, the power inlet wire side conducting end 12 and the power inlet wire side conducting contact 13, so that an arc generated by disconnecting the standby power wire is released in the standby power vacuum arc-extinguishing chamber 6.
What is not described in detail in this specification is prior art known to those skilled in the art.
The terms "center," "longitudinal," "transverse," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used for descriptive simplicity and convenience only and not as an indication or implying that the apparatus or element being referred to must have a particular orientation, be constructed and operated for a particular orientation, based on the orientation or positional relationship illustrated in the drawings, and thus should not be construed as limiting the scope of the present utility model.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. The utility model provides a heavy current vacuum mutual switching explosion chamber, includes vacuum explosion chamber public outlet terminal (1), common power supply vacuum explosion chamber (5) and stand-by power supply vacuum explosion chamber (6), its characterized in that: the front end of the public wire outlet end (1) of the vacuum arc-extinguishing chamber is provided with a public wire outlet end conductive end (2), the front end of the public wire outlet end conductive end (2) is provided with a public wire outlet end moving contact (4), the common power supply vacuum arc-extinguishing chamber (5) is positioned above the public wire outlet end (1) of the vacuum arc-extinguishing chamber, and the standby power supply vacuum arc-extinguishing chamber (6) is positioned below the public wire outlet end (1) of the vacuum arc-extinguishing chamber.
2. The high-current vacuum inter-switching arc chute as claimed in claim 1, wherein: the public wire outlet end conductive end (2) is fixed on the front end outer surface of the public wire outlet end (1) of the vacuum arc-extinguishing chamber through a first bolt (3), and the public wire outlet end conductive end (2) is of an L-shaped structure.
3. The high-current vacuum inter-switching arc chute as claimed in claim 1, wherein: the utility model discloses a vacuum interrupter, including vacuum interrupter, insulating pull rod (8), cross transmission shaft (9) are installed to the top of common power vacuum interrupter (5) and the below of stand-by power vacuum interrupter (6) all are provided with explosion chamber and move conducting rod (7), and the explosion chamber moves conducting rod (7) and keep away from the one end of the public play line end of vacuum interrupter (1), insulating pull rod (8) are kept away from the one end of explosion chamber and are moved conducting rod (7).
4. A high current vacuum interrupter as defined in claim 3, wherein: the outside of insulating pull rod (8) is provided with electrically conductive clamp (10), and red copper material flexible coupling (11) are installed to the front end of electrically conductive clamp (10).
5. The high-current vacuum inter-switching arc chute as in claim 4 wherein: the conductive clamp (10) comprises a bottom plate (1001), a first clamping plate (1002), a second clamping plate (1003), a rotating shaft (1004) and screws (1005), wherein the first clamping plate (1002) and the second clamping plate (1003) are respectively arranged on the surface of the bottom plate (1001), the first clamping plate (1002) is welded with the bottom plate (1001), the second clamping plate (1003) is rotationally connected with the bottom plate (1001) through the rotating shaft (1004), and the screws (1005) penetrate through one ends, far away from the bottom plate (1001), of the first clamping plate (1002) and the second clamping plate (1003).
6. The high-current vacuum inter-switching arc chute as in claim 4 wherein:
the front end of the red copper flexible connection (11) is connected with the power inlet wire side conductive end (12) through a second bolt (14), the front end of the power inlet wire side conductive end (12) is provided with a power inlet wire end moving contact (13), and the conductive clamp (10) is connected with the power inlet wire side conductive end (12) through the red copper flexible connection (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320281362.7U CN219759452U (en) | 2023-02-22 | 2023-02-22 | High-current vacuum mutual-throw switch arc-extinguishing chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320281362.7U CN219759452U (en) | 2023-02-22 | 2023-02-22 | High-current vacuum mutual-throw switch arc-extinguishing chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219759452U true CN219759452U (en) | 2023-09-26 |
Family
ID=88084784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320281362.7U Active CN219759452U (en) | 2023-02-22 | 2023-02-22 | High-current vacuum mutual-throw switch arc-extinguishing chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219759452U (en) |
-
2023
- 2023-02-22 CN CN202320281362.7U patent/CN219759452U/en active Active
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| GR01 | Patent grant |