CN105551846A - Switching device for low-voltage protection switch box of outdoor distribution transformer - Google Patents
Switching device for low-voltage protection switch box of outdoor distribution transformer Download PDFInfo
- Publication number
- CN105551846A CN105551846A CN201610102203.0A CN201610102203A CN105551846A CN 105551846 A CN105551846 A CN 105551846A CN 201610102203 A CN201610102203 A CN 201610102203A CN 105551846 A CN105551846 A CN 105551846A
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- China
- Prior art keywords
- driving lever
- circuit breaker
- switching device
- bar
- driving
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/54—Mechanisms for coupling or uncoupling operating parts, driving mechanisms, or contacts
- H01H3/58—Mechanisms for coupling or uncoupling operating parts, driving mechanisms, or contacts using friction, toothed, or other mechanical clutch
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention relates to the technical field of power transmission, in particular to a switching device for a low-voltage protection switch box of an outdoor distribution transformer. The switching device comprises a switch box body and a circuit breaker, wherein the circuit breaker is arranged in the switch box body, a clutch shift sheet of the circuit breaker is connected with a shift rod, the shift rod is connected with a driving mechanism, and the driving mechanism drives the shift rod to move and implement separation and connection operation on the clutch shift sheet of the circuit breaker. The driving mechanism adopts a power-driven mode and is arranged in the box body of the switch box, the corrosion of rainwater to the shift rod can be prevented, and the situation that a connection point of the shift rod cannot be pulled due to rust is avoided; when the above switching device adopts electric energy as a driving mode, the separation and connection operation on the clutch shift sheet of the circuit breaker can be effectively implemented; and the above power-driven structure is simple and compact, the structural strength of the shift rod can be achieved by adopting a material with relatively high strength, and the situation that the shift rod is deformed and cannot be pulled is avoided.
Description
Technical field
The present invention relates to electric power conveying technology field, be specifically related to a kind of switching device of outdoor distribution low-voltage protection switch case.
Background technology
Out of doors in distribute-electricity transformer district interruption maintenance process, electric power maintenance personnel can excise or recover customer charge by the circuit-breaker switching on-off plectrum often operated in distribution low-voltage protection switch case.Traditional mode of operation is the exposed connecting rod outside low-voltage switch box tank wall of operating personnel's hand-held insulating bar direct control, be connected with throw rod in the casing that connecting rod stretches into low-voltage switch box, the hand-held insulating bar of electric power maintenance personnel makes link rotatable, thus the throw rod in interlock low-voltage switch box rotates, and then enforcement is to the cut-out of circuit-breaker switching on-off plectrum or recovery operation.But outdoor distribution low-voltage protection switch case is completely exposed in the external world on the one hand, be easy to the link position place corrosion making connecting rod or throw rod, fracture, and the operation of pulling of throw rod cannot be realized, on the other hand, the connection of throw rod and circuit-breaker switching on-off plectrum is realized by the bar hole be arranged on throw rod, due to pull circuit-breaker switching on-off plectrum to pull moment larger, and it is comparatively frequent to pull operation, so just be easy to cause the bar hole on throw rod to bend, be out of shape and cannot realize and circuit-breaker switching on-off plectrum contact, and then the object of circuit breaker deciliter cannot be realized.
Summary of the invention
The object of the invention is: provide the clutch plectrum of a kind of effective enforcement to circuit breaker to divide the switching device of the outdoor distribution low-voltage protection switch case of closing operation.
For achieving the above object; the technical solution used in the present invention is: a kind of switching device of outdoor distribution low-voltage protection switch case; comprise the circuit breaker in switch-box casing and switch-box casing; the clutch plectrum of circuit breaker is connected with driving lever; driving lever is connected with driving mechanism, and driving mechanism drives driving lever to move and implements point closing operation of the clutch plectrum to circuit breaker.
Compared with prior art, the technique effect that the present invention possesses is: driving mechanism adopts electronic mode and is arranged in the casing of switch-box, rainwater can be avoided the erosion of driving lever, avoid the tie point corrosion of driving lever and situation about cannot pull, above-mentioned switching device is when adopting electric energy as type of drive, effectively can implement point closing operation of the clutch plectrum to circuit breaker, it is simple and compact for structure that above-mentioned electricity drives structure, the structural strength of driving lever can adopt the higher material of intensity to make, and avoids driving lever to be out of shape and situation about cannot pull.
Accompanying drawing explanation
Fig. 1 is the structural representation of low-voltage protective switch case;
Fig. 2 is the internal structure schematic diagram that low-voltage protective switch case is in opening;
Fig. 3 is another status architecture schematic diagram that low-voltage protective switch case is in the internal structure of opening;
Fig. 4 is the view that driving lever of the present invention is in circuit breaker to be driven;
Fig. 5 is the view that driving lever of the present invention is in when driving circuit breaker;
Fig. 6 is the view that clutch of the present invention driving driving lever is separated with circuit breaker clutch plectrum.
Embodiment
Composition graphs 1 to Fig. 6, is further described the present invention
A kind of switching device of outdoor distribution low-voltage protection switch case; comprise the circuit breaker 20 in switch-box casing 10 and switch-box casing 10; the clutch plectrum of circuit breaker 20 is connected with driving lever 30; driving lever 30 is connected with driving mechanism, and driving mechanism drives driving lever 20 to move and implements point closing operation of the clutch plectrum to circuit breaker 20.
Abandon in prior art, adopt tommy bar, the drawback that the comparatively complicated syndeton such as connecting rod is brought, adopt the mode that driving lever 30 is directly connected with the clutch plectrum of circuit breaker 20, utilize driving mechanism to drive the movement of driving lever 30 and implement point closing operation of the clutch plectrum to circuit breaker 20, above-mentioned driving mechanism can adopt motor etc., driving mechanism is arranged in the casing of switch-box casing 10, rainwater can be avoided the causing corrosion of pole jack driving mechanism to be caused to the phenomenon of the clutch plectrum cannot pulling circuit breaker 20, this driving lever 30 can adopt the stronger material of material to make, guarantee back and forth to pull and the phenomenon of the distortion caused.
As preferred version of the present invention, described driving mechanism comprises driving wheel 41, and described driving wheel 41 is provided with eccentric shaft 411 hinged with one end of driving lever 30, driving wheel 41 is connected with motor 42, and motor 42 drives driving wheel 41 to rotate.Driving mechanism adopts motor 42, and make driving wheel 41 rotate also interlock driving lever 30 in the process that motor 42 rotates and present the attitude of swing, driving lever 30 swings and the clutch plectrum of interlock circuit breaker 20 swings, the true switching manipulation to the clutch plectrum of circuit breaker 20.The power line of the motor 42 at this place can be connected with wiring place on circuit breaker 20, utilizes the power supply that circuit breaker 20 is implemented motor 42.
Further, described driving lever 30 is provided with bayonet socket 31 and forms snap-fit engagement with the clutch plectrum of circuit breaker 20.Utilize the snap action of bayonet socket on driving lever 30 31 and clutch plectrum, thus implement the clutch operation to circuit breaker 20.
The outer panel face of described circuit breaker 20 is provided with mounting panel 70, and described driving wheel 41 and driving lever 30 are arranged on mounting panel 70.
When facing power failure, when motor 42 cannot be powered, and driving lever 30 cannot be driven to swing and the clutch plectrum lock out operation of interlock circuit breaker 20, for solving the problem, described driving lever 30 is also connected with clutch, clutch is for driving driving lever 30 to move and making the bayonet socket 31 on driving lever 30 be separated and click action with the clutch plectrum of circuit breaker 20, the clutch plectrum of described circuit breaker 20 is also provided with manual tommy bar 50, described manual tommy bar 50 is for driving point closing operation of the clutch plectrum of circuit breaker 20, switch-box casing 10 is stretched out in one end of manual tommy bar 50.When power is off, utilize clutch that the bayonet socket 31 of driving lever 30 is separated with the clutch plectrum of circuit breaker 20, the clutch plectrum of circuit breaker 20 is made to form effective stroke, thus adopt point closing operation of the clutch plectrum manually implementing circuit breaker 20, manual tommy bar 50 stretches out switch casing 10, and electric power maintenance personnel only need operate the separation that manual tommy bar 50 can realize the clutch plectrum to circuit breaker 20; When not wanting manual operation, utilizing clutch to make the bayonet socket 31 of driving lever 30 form snap-fit engagement with the clutch plectrum of circuit breaker 20, thus realizing the swing that motor 42 drives driving lever 30, and point closing operation of the clutch plectrum of interlock circuit breaker 20.
Further, described clutch comprises declutcher control lever 60, one end of described declutcher control lever 60 is hinged with driving lever 30 and jointed shaft is parallel with the jointed shaft of driving lever 30, and the shaft of described declutcher control lever 60 is hinged to be arranged on mounting panel 70 and jointed shaft is parallel with the jointed shaft of driving lever 30.
Described driving lever 30 is also provided with bar hole 32, described bar hole 32 hole length direction is parallel with the length direction of driving lever 30, the jointed shaft that described declutcher control lever 60 and driving lever 30 are articulated and connected is positioned at this bar hole 32, and the hole wall of jointed shaft and bar hole 32 forms and is slidably matched, one end of declutcher control lever 60 is connected with one end of spring 62, and the other end of spring 62 is connected with mounting panel 70.Electric power maintenance personnel rotate declutcher control lever 60, declutcher control lever 60 rotates the rotation of interlock driving lever 30, the rotation of driving lever 30 makes the Isolating Switch clamping of the bayonet socket 31 on driving lever 30 and circuit breaker 20 or is separated, thus realizes the switching of the Isolating Switch of electronic or manual operation circuit breaker 20.
One rod end of described declutcher control lever 60 is provided with slide bar 61, the bar shaped slide opening 71 that the shaft of described slide bar 61 and mounting panel 70 are arranged forms and is slidably matched, described bar shaped slide opening 71 is arcuate socket, described slide bar 61 is articulated and connected with one end of connecting rod 81, the other end of described connecting rod 81 and one end of pull bar 82 hinged, the jointed shaft at the two ends of connecting rod 81 is parallel and parallel with the jointed shaft of driving lever 30, the other end of described pull bar 82 stretches out switch-box casing 10, electric power maintenance human users pull bar 82, thus interlock declutcher control lever 60 action, above-mentioned mode of operation is simple, two kinds of location statuss can be marked at the lateral surface of switch-box casing 10, be convenient to the identification of electric power maintenance personnel, for avoiding the slip angle of slide bar 61 excessive, connecting rod 81 is provided with limiting plate 811 with link one side of pull bar 82, plate face and the pull bar 82 of described limiting plate 811 form against be separated cooperation.
Frequently pull due to pull bar 82 damage caused switch box body 10, described switch-box casing 10 is provided with reinforcement steel plate, strengthen steel plate is provided with the hole passed for pull bar 82.
Finally, the shaft of described manual tommy bar 50 is articulated and connected with switch-box casing 10 and jointed shaft is parallel with the jointed shaft of driving lever 30.In a manual mode, rotation manual tommy bar 50 is only needed can to realize point closing operation of the clutch plectrum of circuit breaker 20.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the switching device of an outdoor distribution low-voltage protection switch case; comprise the circuit breaker (20) in switch-box casing (10) and switch-box casing (10); it is characterized in that: the clutch plectrum of circuit breaker (20) is connected with driving lever (30); driving lever (30) is connected with driving mechanism, and driving mechanism drives driving lever (30) to move and implements point closing operation of the clutch plectrum to circuit breaker (20).
2. the switching device of outdoor distribution low-voltage protection switch case according to claim 1; it is characterized in that: described driving mechanism comprises driving wheel (41); described driving wheel (41) is provided with eccentric shaft (411) hinged with one end of driving lever (30); driving wheel (41) is connected with motor (42), and motor (42) drives driving wheel (41) to rotate.
3. the switching device of outdoor distribution low-voltage protection switch case according to claim 2, is characterized in that: described driving lever (30) is provided with bayonet socket (31) and forms snap-fit engagement with the clutch plectrum of circuit breaker (20).
4. the switching device of outdoor distribution low-voltage protection switch case according to claim 3; it is characterized in that: the outer panel face of described circuit breaker (20) is provided with mounting panel (70), described driving wheel (41) and driving lever (30) are arranged on mounting panel (70).
5. the switching device of outdoor distribution low-voltage protection switch case according to claim 4, it is characterized in that: described driving lever (30) is also connected with clutch, clutch is for driving driving lever (30) to move and making the bayonet socket (31) on driving lever (30) be separated and click action with the clutch plectrum of circuit breaker (20), the clutch plectrum of described circuit breaker (20) is also provided with manual tommy bar (50), described manual tommy bar (50) is for driving point closing operation of the clutch plectrum of circuit breaker (20), switch-box casing (10) is stretched out in one end of manual tommy bar (50).
6. the switching device of outdoor distribution low-voltage protection switch case according to claim 5; it is characterized in that: described clutch comprises declutcher control lever (60); one end of described declutcher control lever (60) is hinged with driving lever (30) and jointed shaft is parallel with the jointed shaft of driving lever (30), and the shaft of described declutcher control lever (60) is hinged is arranged on that mounting panel (70) is upper and jointed shaft is parallel with the jointed shaft of driving lever (30).
7. the switching device of outdoor distribution low-voltage protection switch case according to claim 6, it is characterized in that: described driving lever (30) is also provided with bar hole (32), described bar hole (32) hole length direction is parallel with the length direction of driving lever (30), the jointed shaft that described declutcher control lever (60) and driving lever (30) are articulated and connected is positioned at this bar hole (32), and the hole wall of jointed shaft and bar hole (32) forms and is slidably matched, one end of declutcher control lever (60) is connected with one end of spring (62), the other end of spring (62) is connected with mounting panel (70).
8. the switching device of outdoor distribution low-voltage protection switch case according to claim 7, it is characterized in that: a rod end of described declutcher control lever (60) is provided with slide bar (61), the upper bar shaped slide opening (71) arranged of the shaft of described slide bar (61) and mounting panel (70) forms and is slidably matched, described bar shaped slide opening (71) is arcuate socket, described slide bar (61) is articulated and connected with one end of connecting rod (81), the other end of described connecting rod (81) and one end of pull bar (82) hinged, the jointed shaft at the two ends of connecting rod (81) is parallel and parallel with the jointed shaft of driving lever (30), the other end of described pull bar (82) stretches out switch-box casing (10), connecting rod (81) is provided with limiting plate (811) with link one side of pull bar (82), plate face and the pull bar (82) of described limiting plate (811) form against be separated cooperation.
9. the switching device of outdoor distribution low-voltage protection switch case according to claim 8; it is characterized in that: described switch-box casing (10) is provided with and strengthens steel plate (11), strengthen steel plate (11) is provided with the hole passed for pull bar (82).
10. the switching device of outdoor distribution low-voltage protection switch case according to claim 5, is characterized in that: the shaft of described manual tommy bar (50) is articulated and connected with switch-box casing (10) and jointed shaft is parallel with the jointed shaft of driving lever (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610102203.0A CN105551846B (en) | 2016-02-25 | 2016-02-25 | The switching device of outdoor distribution low-voltage protection switch-box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610102203.0A CN105551846B (en) | 2016-02-25 | 2016-02-25 | The switching device of outdoor distribution low-voltage protection switch-box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105551846A true CN105551846A (en) | 2016-05-04 |
| CN105551846B CN105551846B (en) | 2018-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610102203.0A Active CN105551846B (en) | 2016-02-25 | 2016-02-25 | The switching device of outdoor distribution low-voltage protection switch-box |
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| Country | Link |
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| CN (1) | CN105551846B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114256032A (en) * | 2021-12-20 | 2022-03-29 | 重庆中安智汇智能科技有限公司 | Intelligent circuit breaker |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07201268A (en) * | 1993-12-28 | 1995-08-04 | Toshiba Corp | Electrically-operated type circuit breaker |
| CN203871668U (en) * | 2014-05-16 | 2014-10-08 | 苏州开关二厂有限公司 | Operation mechanism outside electrical cabinet switch door |
| CN104242196A (en) * | 2014-09-15 | 2014-12-24 | 镇江西门子母线有限公司 | Bus duct plug box |
| CN205354900U (en) * | 2016-02-25 | 2016-06-29 | 国家电网公司 | Switching device who becomes low -voltage protective switch case is joined in marriage to open air |
-
2016
- 2016-02-25 CN CN201610102203.0A patent/CN105551846B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07201268A (en) * | 1993-12-28 | 1995-08-04 | Toshiba Corp | Electrically-operated type circuit breaker |
| CN203871668U (en) * | 2014-05-16 | 2014-10-08 | 苏州开关二厂有限公司 | Operation mechanism outside electrical cabinet switch door |
| CN104242196A (en) * | 2014-09-15 | 2014-12-24 | 镇江西门子母线有限公司 | Bus duct plug box |
| CN205354900U (en) * | 2016-02-25 | 2016-06-29 | 国家电网公司 | Switching device who becomes low -voltage protective switch case is joined in marriage to open air |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114256032A (en) * | 2021-12-20 | 2022-03-29 | 重庆中安智汇智能科技有限公司 | Intelligent circuit breaker |
| CN114256032B (en) * | 2021-12-20 | 2024-03-01 | 重庆中安智汇智能科技有限公司 | Intelligent circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105551846B (en) | 2018-07-13 |
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