CN201877234U - Detachable lightning arrester - Google Patents

Detachable lightning arrester Download PDF

Info

Publication number
CN201877234U
CN201877234U CN2010206534847U CN201020653484U CN201877234U CN 201877234 U CN201877234 U CN 201877234U CN 2010206534847 U CN2010206534847 U CN 2010206534847U CN 201020653484 U CN201020653484 U CN 201020653484U CN 201877234 U CN201877234 U CN 201877234U
Authority
CN
China
Prior art keywords
lightning arrester
disconnector
fixed contact
detachable
mounting support
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2010206534847U
Other languages
Chinese (zh)
Inventor
李学福
胡高峰
张扬
宋珂全
王亚杰
张晓军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
YUCHENG POWER SUPPLY CO Ltd
Original Assignee
YUCHENG POWER SUPPLY CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by YUCHENG POWER SUPPLY CO Ltd filed Critical YUCHENG POWER SUPPLY CO Ltd
Priority to CN2010206534847U priority Critical patent/CN201877234U/en
Application granted granted Critical
Publication of CN201877234U publication Critical patent/CN201877234U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a detachable lightning arrester, which is mainly provided with a lightning arrester and an insulated mounting support, the upper end of the lightning arrester is electrically connected with the upper end of the insulated mounting support through a movable contact, the lower end of the lightning arrester is electrically connected with the lower end of the insulated mounting support through a static contact, one end of the static contact is articulated with the lightning arrester, the other end of the static contact is a Z-shaped connecting end, the lower end of the insulated mounting support is provided with screw holes, the Z-shaped connecting end of the static contact is connected with the screw holes of the lower end of the insulated mounting support through bolts, the front end of the Z-shaped connecting end of the static contact is also provided with a grounding plate, and the lower end of the lightning arrester is also provided with a disconnector. Because the detachable lightning arrester is mounted on the drop-out mechanism of a drop-out fuse, the lightning arrester can be conveniently inspected, repaired and replaced by means of an insulated pull ring without requiring the interruption of power, consequently, the connectivity of lines is guaranteed, moreover, workload and time are greatly reduced for electrical maintainers, and the detachable lightning arrester is particularly suitable for use in places where the power cannot be interrupted, such as posts and communications, airports, stations, hospitals and bustling commercial districts.

Description

A kind of detachable lightning arrester
Technical field
The utility model relates to a kind of electric prospection equipment, relates in particular to a kind of detachable lightning arrester.
Background technology
The effect of lightning arrester is to be used for protecting the electrical equipment that various electric equipments are avoided lightning overvoltage, switching overvoltage in the electric power system, Frequency Transient Overvoltage is impacted and damage; can discharge thunder and lightning or hold concurrently and to discharge power system operation overvoltage energy; the protection electrical equipment is avoided instantaneous overvoltage harm; can block afterflow again, the unlikely electrical installation that causes the system earth short circuit.Lightning arrester is connected between live wire and the ground usually, and is in parallel with protected equipment.When overvoltage value reached specified action voltage, lightning arrester moved immediately, flow through electric charge, and the over-voltage amplitude is protected apparatus insulated; After magnitude of voltage was normal, lightning arrester restored to the original state rapidly again, to guarantee system's normal power supply.
The type of lightning arrester mainly contains protection gap, valve-type arrester and zinc oxide arrester.The protection gap is mainly used in the restriction atmospheric over-voltage, generally is used for distribution system, circuit and inlet wire of substation segment protect.Valve-type arrester and zinc oxide arrester are used for the protection in electric substation and power plant, are mainly used in the restriction atmospheric over-voltage at 500kV and following system, also will be used for limiting internal overvoltage or do the backup protection of internal overvoltage in extra high voltage system.
When lightning arrester breaks down or damage, need releasing mechanism lightning arrester and ground path are disconnected, prevent the further expansion of accident, and be easy to the attendant and in time find to safeguard.
The utility model content
In view of this, the utility model provides a kind of detachable lightning arrester, when lightning arrester breaks down or damage, lightning arrester and ground path is disconnected, and guarantees circuit safety.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of detachable lightning arrester, mainly be provided with lightning arrester and insulating mounting pillar, lightning arrester is electrically connected by moving contact with insulating mounting pillar upper end, lightning arrester is electrically connected by fixed contact with insulating mounting pillar lower end, wherein, the first end of stationary contact is hinged on the lightning arrester, the other end is " Z " font link, insulating mounting pillar lower end is provided with screw, " Z " font link of fixed contact spins by the screw of bolt and insulating mounting pillar lower end, and " Z " font link front end also is provided with ground plate; The lightning arrester lower end also is provided with disconnector, and disconnector is provided with the disengaging assembly that fixed contact is separated with disconnector, also is provided with the high-pressure side binding post on the moving contact.
Described disconnector is the hot melten type disconnector, and the described disengaging assembly that fixed contact is separated with disconnector is the alloy fuse piece that is arranged between disconnector and the fixed contact.
Good effect of the present utility model is:
Because of the utility model is installed in the drop type mechanism of fuse switch dexterously with after the distribution type zinc oxide arrester repacking, reach under the situation of not cutting off the power supply, can detect, keep in repair and change, not only guarantee the unimpeded of circuit to lightning arrester easily but also reduce electric power maintenance personnel's working strength and time widely by the insulation draw ring, be particularly suitable for the place that should not have a power failure such as post and telecommunications, station, airport, hospital, bustling business district uses.
Disconnector of the present utility model can increase according to the zinc oxide arrester power current of changing in quality, the short circuit current in the inefficacy lightning arrester is flow through in utilization, alloy fuse piece in the disconnector is fused reach lightning arrester and hightail the insulating mounting pillar, make the attendant in time find the fault lightning arrester, changed and maintenance.
The utility model is simple in structure, and production cost is low, and is good in economic efficiency.
Description of drawings
Fig. 1 is the utility model structural representation.
Embodiment
As seen from Figure 1, this detachable lightning arrester, mainly be provided with lightning arrester 4 and insulating mounting pillar 10, lightning arrester 4 is electrically connected by moving contact 2 with insulating mounting pillar 10 upper ends, lightning arrester 4 is electrically connected by fixed contact 7 with insulating mounting pillar 10 lower ends, fixed contact 7 one ends are hinged on the lightning arrester 4, the other end is " Z " font link, insulating mounting pillar 10 lower ends are provided with screw, " Z " font link of fixed contact 7 spins by the screw of bolt 8 with insulating mounting pillar 10 lower ends, also is provided with ground plate 9 on " Z " font link; Lightning arrester 4 lower ends also are provided with disconnector 5, and disconnector 5 is provided with the disengaging assembly that fixed contact 7 is separated with disconnector 5, also are provided with high-pressure side binding post 1 on the moving contact 2, also are provided with draw ring 3 between moving contact 2 and the lightning arrester 4.
The disconnector 5 of above-mentioned detachable lightning arrester is the hot melten type disconnector, and the described disengaging assembly that fixed contact 7 is separated with disconnector 5 is the alloy fuse piece 6 that is arranged between disconnector 5 and the fixed contact 7.
Disconnector 5 increases according to zinc oxide arrester transformation power current, the short circuit current in the inefficacy lightning arrester is flow through in utilization, make alloy fuse piece 6 fusing in the disconnector 5 reach lightning arrester 5 and hightail insulating mounting pillar 10, make the attendant in time find the fault lightning arrester, is changed and maintenance.

Claims (2)

1. detachable lightning arrester, mainly be provided with lightning arrester (4) and insulating mounting pillar (10), lightning arrester (4) is electrically connected by moving contact (2) with insulating mounting pillar (10) upper end, lightning arrester (4) is electrically connected by fixed contact (7) with insulating mounting pillar (10) lower end, it is characterized in that: fixed contact (7) one ends are hinged on the lightning arrester (4), the other end is " Z " font link, insulating mounting pillar (10) lower end is provided with screw, " Z " font link of fixed contact (7) spins by the screw of bolt (8) with insulating mounting pillar (10) lower end, and " Z " font link front end also is provided with ground plate (9); Lightning arrester (4) lower end also is provided with disconnector (5), and disconnector (5) is provided with the disengaging assembly that fixed contact (7) is separated with disconnector (5), also is provided with high-pressure side binding post (1) on the moving contact (2).
2. a kind of detachable lightning arrester according to claim 1, it is characterized in that: disconnector (5) is the hot melten type disconnector, and the described disengaging assembly that fixed contact (7) is separated with disconnector (5) is the alloy fuse piece (6) that is arranged between disconnector (5) and the fixed contact (7).
CN2010206534847U 2010-12-12 2010-12-12 Detachable lightning arrester Expired - Fee Related CN201877234U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010206534847U CN201877234U (en) 2010-12-12 2010-12-12 Detachable lightning arrester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010206534847U CN201877234U (en) 2010-12-12 2010-12-12 Detachable lightning arrester

Publications (1)

Publication Number Publication Date
CN201877234U true CN201877234U (en) 2011-06-22

Family

ID=44165147

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010206534847U Expired - Fee Related CN201877234U (en) 2010-12-12 2010-12-12 Detachable lightning arrester

Country Status (1)

Country Link
CN (1) CN201877234U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102543335A (en) * 2012-01-04 2012-07-04 宿州市耐得电气设备有限公司 Composite insulated zinc oxide lightning arrester
CN102709012A (en) * 2012-06-25 2012-10-03 虞城县供电有限责任公司 Detachable arrester
CN102856024A (en) * 2012-09-07 2013-01-02 陕西西城高压电瓷电器制造有限公司 Uninterrupted power falling type zinc oxide surge arrester
CN107861057A (en) * 2017-10-09 2018-03-30 国网江西省电力公司电力科学研究院 A kind of determination method of the key parameter of separator used for lightning protector

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102543335A (en) * 2012-01-04 2012-07-04 宿州市耐得电气设备有限公司 Composite insulated zinc oxide lightning arrester
CN102709012A (en) * 2012-06-25 2012-10-03 虞城县供电有限责任公司 Detachable arrester
CN102856024A (en) * 2012-09-07 2013-01-02 陕西西城高压电瓷电器制造有限公司 Uninterrupted power falling type zinc oxide surge arrester
CN107861057A (en) * 2017-10-09 2018-03-30 国网江西省电力公司电力科学研究院 A kind of determination method of the key parameter of separator used for lightning protector
CN107861057B (en) * 2017-10-09 2020-08-11 国网江西省电力公司电力科学研究院 Method for determining key parameters of disconnector for lightning arrester

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110622

Termination date: 20121212

C17 Cessation of patent right