CN206849762U - A kind of miniaturized vacuum on-load switch - Google Patents
A kind of miniaturized vacuum on-load switch Download PDFInfo
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- CN206849762U CN206849762U CN201720544376.8U CN201720544376U CN206849762U CN 206849762 U CN206849762 U CN 206849762U CN 201720544376 U CN201720544376 U CN 201720544376U CN 206849762 U CN206849762 U CN 206849762U
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- base
- vacuum
- connecting rod
- vacuum interrupter
- couple axle
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Abstract
The utility model discloses a kind of miniaturized vacuum on-load switch, including three parallel wires posts, the binding post designed using pole includes vacuum interrupter (2), insulating cylinder (3) and conducting block (1), the movable feeler lever of vacuum interrupter (2) by be flexible coupling (4) be fixedly connected with lower wire end, the static contact of vacuum interrupter (2) is fixed with upper outlet terminal and electrically connected, the be flexible coupling downside of (4) is connected by the extension bar component (5) that insulate with the driving connecting lever (10) being fixed on couple axle (21), one end of couple axle (21) is connected by separating brake extension spring (22) with base side wall, the other end of couple axle (21) is connected with operating mechanism.The beneficial effects of the utility model：The influence that external environment insulate to major loop is effectively prevented, long lifespan, maintenance is simple, pollution-free, and installation and debugging are convenient, and small volume is compact-sized, has wide range of applications.
Description
Technical field
A kind of drop-out current switch in electrical equipment manufacturing technology field is the utility model is related to, it is more particularly to a kind of small
Type vacuum load switch.
Background technology
The on-load switch used in existing power network is mostly SF6 on-load switches and vacuum extinction switch.SF6 on-load switches are
Using sulfur hexafluoride (SF6) gas as the SF6 breakers of arc-extinguishing medium and dielectric, there is long lifespan, cut-off power by force, easily
Three working positions of on-off and ground connection, the advantages that anti-harsh environmental conditions ability is strong are realized, is widely used in town and country medium-voltage distribution
Net, but in use, easily occur because of use, miscarriage or recovery, regeneration treating method mistake, cause SF6 gases
And caused toxic breakdown thing is discharged into air under high-temperature electric arc effect, causes environmental pollution, potential safety hazard be present.Vacuum
Arc-suppressing switch using vacuum as arc-extinguishing medium, have small volume, be coal the advantages that high pressure, strong breaking capacity, long service life
The industrial departments such as charcoal, electric power, chemical industry, metallurgy, oil institute is widely used, but the insulation crust of its vacuum interrupter is general all direct
In atmosphere, the problem of by the dust in the external world, moisture contamination be present in exposure, therefore it is required that the shell long enough of vacuum interrupter,
Influence the miniaturization of vacuum interrupter and the Performance And Reliability of vacuum interrupter.
Utility model content
Needed for defect present in existing drop-out current switch and reality, it is true that the utility model provides a kind of miniaturization
Airport logistic park switchs.
To achieve these goals, the measure that the utility model is taken：
A kind of miniaturized vacuum on-load switch, including the base of knife with ground and three parallel wires being connected on base
Post, the binding post designed using pole include vacuum interrupter, insulating cylinder and the upper conducting block for being arranged on insulating cylinder top,
Vacuum interrupter is fixed on the upper end in insulating cylinder, and the movable feeler lever of vacuum interrupter is by being flexible coupling and the fixed company of lower wire end
Connect, the static contact of vacuum interrupter is fixed with upper outlet terminal and electrically connected, and upper and lower outlet binding post is arranged at the outer of insulating cylinder
Side wall, the downside being flexible coupling are connected by the extension bar component that insulate with the connecting rod being arranged in base, and connecting rod, which passes sequentially through, to turn
Arm, touch spring, guide rod are connected with the driving connecting lever being fixed on couple axle, the one end for the couple axle that can be moved left and right and machine
Structure connecting rod is fixed, and the other end of couple axle is connected by separating brake extension spring with base side wall, is set between couple axle and base side wall
There is cushion pad, mechanism connecting rod is connected with the operating mechanism being arranged on base, and operating mechanism includes auxiliary switch, energy storage direction
Bar and mechanism driving connecting lever, the cam and switching-in spring that are axially connected with motor being sequentially connected with mechanism connecting rod, auxiliary are opened
Close and be connected by auxiliary switch connecting rod and mechanism driving connecting lever, the energy storage steering yoke being arranged on base pass sequentially through bevel gear with
Close a floodgate and keep pallet to drive connecting lever to be connected with mechanism；
The operating mechanism is arranged on the side of base, and operating mechanism be arranged in parallel with binding post；
Switching-in spring and the separating brake extension spring is installed on the outermost of base；
The upper and lower outlet binding post is arranged at the middle part of insulating cylinder side wall, is flexible coupling positioned at upper and lower outlet terminals
Between son.
The beneficial effects of the utility model：Designed using pole, major loop in addition to upper and lower outlet binding post, its
The complete sealing of remaining part part is in the influence that in insulating cylinder, can effectively prevent external environment from being insulated to major loop, and pole is at it
It is non-maintaining in service life；Using vacuum extinction, machinery, electrical endurance length, safeguard simple and pollution-free；Spring operating mechanism can
Realize simultaneously manually and electric operating, operating mechanism are easily installed debugging before switch；Small volume, compact-sized, application
It is in extensive range, it can be installed in XGN68 or other same type fixed switching cabinets；Can with fuse it is supporting composition on-load switch-
Fuse combined electric apparatus, for cut-offfing short-circuit current.
Brief description of the drawings
Fig. 1 sectional views of the present utility model；
Fig. 2 top views of the present utility model；
Fig. 3 side views of the present utility model；
Fig. 4 outside drawings of the present utility model.
In figure, 1, upper conducting block；2nd, vacuum interrupter；3rd, insulating cylinder；4th, it is flexible coupling；5th, insulate extension bar component；6th, connect
Bar；7th, connecting lever；8th, touch spring；9th, guide rod；10th, connecting lever is driven；11st, auxiliary switch；12nd, bevel gear；13rd, energy storage direction
Bar；14th, close a floodgate and keep pallet；15th, mechanism driving connecting lever；16th, cam；17th, motor；18th, auxiliary switch connecting rod；19th, combined floodgate bullet
Spring；20th, mechanism connecting rod；21st, couple axle；22nd, separating brake extension spring；23rd, cushion pad.
Embodiment
To overcome defect present in existing drop-out current switch, meet real needs, design a kind of miniaturized vacuum and bear
Lotus switchs (such as Fig. 1~Fig. 4), including the base of knife with ground and three parallel wires posts being connected on base, using sealing
The binding post of pole design includes vacuum interrupter 2, insulating cylinder 3 and the upper conducting block 1 for being arranged on the top of insulating cylinder 3, and vacuum is gone out
Arc chamber 2 is fixed on the upper end in insulating cylinder 3, and the movable feeler lever of vacuum interrupter 2 passes through 4 and the fixed company of lower wire end of being flexible coupling
Connect, the static contact of vacuum interrupter 2 is fixed with upper outlet terminal and electrically connected, and upper and lower outlet binding post is arranged at insulating cylinder 3
Lateral wall, 4 downside of being flexible coupling are connected by the extension bar component 5 that insulate with the connecting rod 6 being arranged in base, and connecting rod 6 is successively
It is connected by connecting lever 7, touch spring 8, guide rod 9 with the driving connecting lever 10 being fixed on couple axle 21, the company that can be moved left and right
One end of moving axis 21 is fixed with mechanism connecting rod 20, and the other end of couple axle 21 is connected by separating brake extension spring 22 with base side wall,
Cushion pad 23 is provided between couple axle 21 and base side wall, mechanism connecting rod 20 is connected with the operating mechanism being arranged on base,
Operating mechanism include auxiliary switch 11, energy storage steering yoke 13 and the mechanism driving connecting lever 15 being sequentially connected with mechanism connecting rod 20,
The cam 16 and switching-in spring 19 being axially connected with motor 17, auxiliary switch 11 are driven with mechanism by auxiliary switch connecting rod 18 and turned
Arm 15 is connected, and the energy storage steering yoke 13 being arranged on base, which passes sequentially through bevel gear 12 and closed a floodgate, keeps pallet 14 to be driven with mechanism
Connecting lever 15 is connected；The operating mechanism is arranged on the side of base, and operating mechanism be arranged in parallel with binding post；The switching-in spring
19 and separating brake extension spring 22 be installed on the outermost of base；The upper and lower outlet binding post is arranged in the side wall of insulating cylinder 3
Portion, it is flexible coupling 4 between upper and lower outlet binding post.
The beneficial effects of the utility model：Designed using pole, major loop in addition to upper and lower outlet binding post, its
The complete sealing of remaining part part is in the influence that in insulating cylinder, can effectively prevent external environment from being insulated to major loop, and pole is at it
It is non-maintaining in service life；Using vacuum extinction, machinery, electrical endurance length, safeguard simple and pollution-free；Spring operating mechanism can
Realize simultaneously manually and electric operating, operating mechanism are easily installed debugging before switch；Small volume, compact-sized, application
It is in extensive range, it can be installed in XGN68 or other same type fixed switching cabinets；Can with fuse it is supporting composition on-load switch-
Fuse combined electric apparatus, for cut-offfing short-circuit current.
The simple change and replacement of those ordinary skill in the art is all within the scope of protection of the utility model.
Claims (4)
1. a kind of miniaturized vacuum on-load switch, including the base of knife with ground and three parallel wires being connected on base
Post, it is characterised in that vacuum interrupter (2), insulating cylinder (3) are included using the binding post of pole design and are arranged on insulation
The upper conducting block (1) on cylinder (3) top, vacuum interrupter (2) are fixed on the upper end in insulating cylinder (3), and vacuum interrupter (2) moves
Feeler lever by be flexible coupling (4) be fixedly connected with lower wire end, the static contact of vacuum interrupter (2) fixes electricity with upper outlet terminal
Connection, upper and lower outlet binding post is arranged at the lateral wall of insulating cylinder (3), and the downside of (4) of being flexible coupling passes through the extension bar component that insulate
(5) it is connected with the connecting rod (6) being arranged in base, connecting rod (6) passes sequentially through connecting lever (7), touch spring (8), guide rod
(9) it is connected with the driving connecting lever (10) being fixed on couple axle (21), the one end for the couple axle (21) that can be moved left and right and mechanism
Connecting rod (20) is fixed, and the other end of couple axle (21) is connected by separating brake extension spring (22) with base side wall, couple axle (21) and
Cushion pad (23) is provided between base side wall, mechanism connecting rod (20) is connected with the operating mechanism being arranged on base, actuating machine
Structure includes auxiliary switch (11), energy storage steering yoke (13) and the mechanism driving connecting lever being sequentially connected with mechanism connecting rod (20)
(15) cam (16) and switching-in spring (19), being axially connected with motor (17), auxiliary switch (11) pass through auxiliary switch connecting rod
(18) it is connected with mechanism driving connecting lever (15), the energy storage steering yoke (13) being arranged on base passes sequentially through bevel gear (12) and closed
Lock keeps pallet (14) to be connected with mechanism driving connecting lever (15).
2. a kind of miniaturized vacuum on-load switch according to claim 1, it is characterised in that the operating mechanism is arranged on
The side of base, operating mechanism be arranged in parallel with binding post.
A kind of 3. miniaturized vacuum on-load switch according to claim 1 or 2, it is characterised in that the switching-in spring
(19) and separating brake extension spring (22) is installed on the outermost of base.
A kind of 4. miniaturized vacuum on-load switch according to claim 3, it is characterised in that the upper and lower outlet wiring
Terminal is arranged at the middle part of insulating cylinder (3) side wall, is flexible coupling (4) between upper and lower outlet binding post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720544376.8U CN206849762U (en) | 2017-05-16 | 2017-05-16 | A kind of miniaturized vacuum on-load switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720544376.8U CN206849762U (en) | 2017-05-16 | 2017-05-16 | A kind of miniaturized vacuum on-load switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206849762U true CN206849762U (en) | 2018-01-05 |
Family
ID=60796217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720544376.8U Active CN206849762U (en) | 2017-05-16 | 2017-05-16 | A kind of miniaturized vacuum on-load switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206849762U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108899244A (en) * | 2018-09-14 | 2018-11-27 | 协成科技股份有限公司 | A kind of breaker |
-
2017
- 2017-05-16 CN CN201720544376.8U patent/CN206849762U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108899244A (en) * | 2018-09-14 | 2018-11-27 | 协成科技股份有限公司 | A kind of breaker |
| CN108899244B (en) * | 2018-09-14 | 2022-04-05 | 协成科技股份有限公司 | Circuit breaker |
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