CN203312126U - Outdoor high-voltage direct operated isolation switch with overvoltage protection device - Google Patents
Outdoor high-voltage direct operated isolation switch with overvoltage protection device Download PDFInfo
- Publication number
- CN203312126U CN203312126U CN2012204701666U CN201220470166U CN203312126U CN 203312126 U CN203312126 U CN 203312126U CN 2012204701666 U CN2012204701666 U CN 2012204701666U CN 201220470166 U CN201220470166 U CN 201220470166U CN 203312126 U CN203312126 U CN 203312126U
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- China
- Prior art keywords
- pedestal
- contact
- insulation
- conductive rod
- moving conductive
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- Expired - Fee Related
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Abstract
The utility model discloses an outdoor high-voltage direct operated isolation switch with an overvoltage protection device. The outdoor high-voltage direct operated isolation switch comprises a base, a housing, a circuit board, a pedestal and the overvoltage protection device, wherein the circuit board, the pedestal and the overvoltage protection device are disposed on the base; the circuit board is connected with the pedestal; a shield is arranged outside the circuit board; the top of the housing is provided with mesh holes and an arc-shaped cover; and air holes are arranged at the connection positions of the arc-shaped cover and the housing. The heat dissipation device provided by the utility model can effectively prolong the service life of the switch and reduce faults.
Description
Technical field
The utility model relates to the heat radiating type high voltage isolator in a kind of electric power power transmission and transformation system.
Background technology
High voltage isolator in the electric power power transmission and transformation system in high-tension line current-carrying situation, switching and the electric equipments such as the high voltage bus circuit breaker that overhauled and charged high-tension line being carried out to the electrical equipment isolation.In the power transmission and transformation system of rated voltage 12kV three-phase alternating current 50Hz, public isolating switch is contact knife formula isolating switch at present.This mounting means makes the switch cubicle volume larger, and the interlock complexity increases complete workload, and operation sequence is loaded down with trivial details.Along with the upgrading of High-Voltage Electrical Appliances original paper, being widely used of the particularly appearance of permanent magnetic actuator vacuum circuit breaker, and SF6 on-load switch, require the fixed high-voltage switch cubicle structure compacter, miniaturization more.Existing isolating switch can not meet this requirement.
The utility model content
The purpose of this utility model is the needs that adapt to the box switch cubicle of compact and " handing in hand " electric power system, designs a kind of miniaturization heat radiating type high voltage straight moving isolation switch.
The technical solution of the utility model is, a kind of direct-operated isolating switch of outdoor high-voltage with over-pressure safety device, comprise pedestal, shell, and the wiring board on pedestal, pedestal and over-pressure safety device, described wiring board is connected with pedestal, and the outer setting of wiring board has guard shield; Reticulated cell is arranged at the top of described shell, and arc covers is arranged at top, You Feng hole in junction between arc covers and shell; On described pedestal, be fixed with two insulation contact bearings, on two insulation contact bearings, be fixed with respectively upper contact head and lower contact, asking of upper contact head and lower contact is fixed with guide cylinder, in guide cylinder, slip cap is equipped with the metal cylinder moving conductive rod of hollow, upper contact head, lower contact and moving conductive rod have the common center line, in upper contact head and lower contact, be connected with circular spring contact strip, moving conductive rod passes spring contact strip and with lower contact, is connected with upper contact head by sliding contact, and the leading electric part of common formation; One rotating shaft is arranged on pedestal between two insulation contact bearings, in rotating shaft, be fixed with an insulation guide post, the insulation guide post is connected by insulated tension pole with moving conductive rod; Described over-pressure safety device, comprise detection control apparatus and switching device, and wherein switching device is connected between civil power and protected electrical equipment: wherein relatively control loop comprises integrated resistor, diode and a triode; Described resistance and back-biased diode are connected in turn between the base stage and emitter of triode; Described channel detecting device sends to processing control apparatus by the channel and collateral information of detection, described processing control apparatus obtains this information reprocessing, to frequency regulation arrangement transmission frequency conditioning signal, frequency regulation arrangement obtains this signal post-processing, controls size of current and direction that the frequency conversion rectifier device outputs to electrode.
The heat abstractor that the utility model provides can effectively extend the physical life of switch and reduce fault.
The accompanying drawing explanation
Fig. 1 is the structural representation of the utility model heat radiating type high voltage straight moving isolation switch.
Embodiment
A kind of direct-operated isolating switch of outdoor high-voltage with over-pressure safety device, comprise pedestal 1, shell 2, and the wiring board on pedestal 13, pedestal 4 and over-pressure safety device 9, and described wiring board 3 is connected with pedestal 4, and the outer setting of wiring board 3 has guard shield 5; Reticulated cell 6 is arranged at the top of described shell 2, and arc covers 7 is arranged at top, junction You Feng hole 8 between arc covers and shell; On described pedestal 4, be fixed with two insulation contact bearings, on two insulation contact bearings, be fixed with respectively upper contact head and lower contact, asking of upper contact head and lower contact is fixed with guide cylinder, in guide cylinder, slip cap is equipped with the metal cylinder moving conductive rod of hollow, upper contact head, lower contact and moving conductive rod have the common center line, in upper contact head and lower contact, be connected with circular spring contact strip, moving conductive rod passes spring contact strip and with lower contact, is connected with upper contact head by sliding contact, and the leading electric part of common formation; One rotating shaft is arranged on pedestal between two insulation contact bearings, in rotating shaft, be fixed with an insulation guide post, the insulation guide post is connected by insulated tension pole with moving conductive rod, and insulated tension pole can be done the piston type back and forth movement under the drive of insulation guide post; Described over-pressure safety device 9, comprise detection control apparatus and switching device, and wherein switching device is connected between civil power and protected electrical equipment; Wherein relatively control loop comprises integrated resistor, diode and a triode; Described resistance and back-biased diode are connected in turn between the base stage and emitter of triode; Described channel detecting device sends to processing control apparatus by the channel and collateral information of detection, described processing control apparatus obtains this information reprocessing, to frequency regulation arrangement transmission frequency conditioning signal, frequency regulation arrangement obtains this signal post-processing, controls size of current and direction that the frequency conversion rectifier device outputs to electrode.
When rotating shaft is rotated, drive the insulation guide post and move with it, insulated tension pole is done the piston type back and forth movement under the insulation guide post drives; Insulated tension pole also will drive moving conductive rod and do upper and lower rectilinear motion along the common center line.When rotating shaft was clockwise, insulated tension pole drove the rising of moving conductive rod straight line and contacts with the inner upper contact head that is connected with spring contact strip, realizes closing a floodgate; Otherwise, separating brake.
Claims (1)
1. the direct-operated isolating switch of the outdoor high-voltage with over-pressure safety device, is characterized in that, comprises pedestal, shell, and the wiring board on pedestal, pedestal and over-pressure safety device, and described wiring board is connected with pedestal, and the outer setting of wiring board has guard shield; Reticulated cell is arranged at the top of described shell, and arc covers is arranged at top, You Feng hole in junction between arc covers and shell; On described pedestal, be fixed with two insulation contact bearings, on two insulation contact bearings, be fixed with respectively upper contact head and lower contact, asking of upper contact head and lower contact is fixed with guide cylinder, in guide cylinder, slip cap is equipped with the metal cylinder moving conductive rod of hollow, upper contact head, lower contact and moving conductive rod have the common center line, in upper contact head and lower contact, be connected with circular spring contact strip, moving conductive rod passes spring contact strip and with lower contact, is connected with upper contact head by sliding contact, and the leading electric part of common formation; One rotating shaft is arranged on pedestal between two insulation contact bearings, in rotating shaft, be fixed with an insulation guide post, the insulation guide post is connected by insulated tension pole with moving conductive rod; Described over-pressure safety device, comprise detection control apparatus and switching device, and wherein switching device is connected between civil power and protected electrical equipment: wherein relatively control loop comprises integrated resistor, diode and a triode; Described resistance and back-biased diode are connected in turn between the base stage and emitter of triode; Described channel detecting device sends to processing control apparatus by the channel and collateral information of detection, described processing control apparatus obtains this information reprocessing, to frequency regulation arrangement transmission frequency conditioning signal, frequency regulation arrangement obtains this signal post-processing, controls size of current and direction that the frequency conversion rectifier device outputs to electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204701666U CN203312126U (en) | 2012-09-14 | 2012-09-14 | Outdoor high-voltage direct operated isolation switch with overvoltage protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204701666U CN203312126U (en) | 2012-09-14 | 2012-09-14 | Outdoor high-voltage direct operated isolation switch with overvoltage protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203312126U true CN203312126U (en) | 2013-11-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204701666U Expired - Fee Related CN203312126U (en) | 2012-09-14 | 2012-09-14 | Outdoor high-voltage direct operated isolation switch with overvoltage protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203312126U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414811A (en) * | 2018-04-17 | 2018-08-17 | 东莞市慧眼数字技术有限公司 | A kind of super-pressure signal isolating device |
-
2012
- 2012-09-14 CN CN2012204701666U patent/CN203312126U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414811A (en) * | 2018-04-17 | 2018-08-17 | 东莞市慧眼数字技术有限公司 | A kind of super-pressure signal isolating device |
| CN108414811B (en) * | 2018-04-17 | 2023-11-10 | 东莞市慧眼数字技术有限公司 | Ultrahigh voltage signal isolation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131127 Termination date: 20140914 |
|
| EXPY | Termination of patent right or utility model |