CN207336679U - Arrester warning device - Google Patents

Arrester warning device Download PDF

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Publication number
CN207336679U
CN207336679U CN201721399280.3U CN201721399280U CN207336679U CN 207336679 U CN207336679 U CN 207336679U CN 201721399280 U CN201721399280 U CN 201721399280U CN 207336679 U CN207336679 U CN 207336679U
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CN
China
Prior art keywords
arrester
ring body
warning device
indicator light
control circuit
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.)
Active
Application number
CN201721399280.3U
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Chinese (zh)
Inventor
崔彦伟
苑云辉
王立
王萌
王敏
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.)
State Grid Corp of China SGCC
State Grid Hebei Electric Power Co Ltd
Baoding Power Supply Co of State Grid Hebei Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Hebei Electric Power Co Ltd
Baoding Power Supply Co of State Grid Hebei Electric Power 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 State Grid Corp of China SGCC, State Grid Hebei Electric Power Co Ltd, Baoding Power Supply Co of State Grid Hebei Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201721399280.3U priority Critical patent/CN207336679U/en
Application granted granted Critical
Publication of CN207336679U publication Critical patent/CN207336679U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a kind of arrester warning device, belong to grid alarm facility technology field, including the insulation ring body that can be sleeved on lightning arrester body, the control module comprising current transformer and control circuit is equipped with the insulation ring body, the control circuit includes battery, indicator light, pulse switch, and the indicator light is arranged on dead ring body exterior.Insulate the insulated part that ring body can be easily sleeved on lightning arrester body in arrester warning device provided by the utility model, simple and convenient without separately wiring, installation;When because of itself insulation breakdown ground fault occurs for arrester, the electric current of arrester leakage can activate pulse switch in control module, control circuit is set to form closed circuit, exposed indicator light is lit and sends alarm, tour personnel is facilitated to find failure arrester, insulation ring body can be removed and is reinstalled on qualified arrester by service personnel from the arrester of damage, and realization recycles.

Description

Arrester warning device
Technical field
The utility model belongs to grid alarm facility technology field, is to be related to a kind of arrester alarm dress more specifically Put.
Background technology
Silica gel arrester has excellent insulation self-healing, greatly improves arrester equipment life.10KV silica gel Insulating oxide zinc arrester is widely used on distribution network line, switchgear, high-tension distribution chamber of converting (platform), can effectively reduce direct attack Grid equipment is endangered when thunder high pressure and electric grid operating overvoltage.But there is also following for the structure of silica gel arrester Problem:Lightning arrester insulation is progressively to decline there is no once complete electrical breakdown problem, insulation performance, until terminating below power grid Rated operational voltage, causes power grid to be grounded.Lightning arrester insulation shows as exception, and -- normal -- exception -- is normal repeatedly repeatedly, electric Net failure is shown repeatedly:Ground connection --- normal -- ground connection -- normal phenomenon.Problems power grid under moist thunderstorm weather is easy to Occur, before the breakdown of final lightning arrester insulation is burnt, appearance will not show any exception, and failure track walker can not divide at all Distinguish, it is common practice that the attached arrester of the branched line is all removed into isolation, after experimental place investigates detection problem device Recover one by one again.Very big security risk and repeatedly power cut problem are caused to power grid, also result in the waste of human, financial, and material resources.
Utility model content
It is existing in the prior art lightning-arrest to solve the purpose of this utility model is to provide a kind of arrester warning device Technical problem difficult, that service personnel's labor intensity is big is differentiated in device insulation.
To achieve the above object, the technical solution adopted in the utility model is:A kind of arrester warning device is provided, including The insulation ring body that can be sleeved on lightning arrester body, interior be equipped with of the insulation ring body include current transformer and control electricity The control module on road, the control circuit include battery, indicator light, pulse switch, and the indicator light is arranged on insulation ring body It is exterior.
Further, also connect in the control circuit time delay module, the pulse switch is self- recoverage pulse switch.
Further, it is in series with overcurrent protection member on the circuit between two electric currents sensing terminal of the current transformer Part and protection switch.
Further, the over-current protecting element is PTC thermistor.
Further, when the delay duration setting value of the time delay module is 5 small.
Further, the indicator light is LED light.
Further, the insulation ring body is flexible falope ring body.
The beneficial effect of arrester warning device provided by the utility model is:Compared with prior art, this practicality is new Insulated part of the dead ring body fits on lightning arrester body in type arrester warning device, without separately wiring, structure Simply, it is easy for installation;When because of itself insulation breakdown ground fault occurs for arrester, the electric current of arrester leakage can activate control Molding pulse switch in the block, so that control circuit forms closed circuit, exposed indicator light is lit and sends alarm, side Just tour personnel has found failure arrester, and insulation ring body can be removed and is reinstalled in by service personnel from the arrester of damage On qualified arrester, realization recycles.
Brief description of the drawings
, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing is briefly described needed in description, it should be apparent that, drawings in the following description are only that this practicality is new Some embodiments of type, for those of ordinary skill in the art, without having to pay creative labor, can be with Other attached drawings are obtained according to these attached drawings.
Fig. 1 is scheme of installation of the arrester warning device of the utility model embodiment offer on arrester;
Fig. 2 is the circuit diagram for the arrester warning device that the utility model embodiment provides;
Wherein, each reference numeral in figure:
1- lightning arrester bodies;2- insulation ring bodies;3- current transformers;4- control modules;5- batteries;6- indicator lights;7- Self- recoverage pulse switch;8- time delay modules;9- electric currents sense terminal;10- over-current protecting elements;11- protection switch.
Embodiment
In order to which technical problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, with Lower combination accompanying drawings and embodiments, are further elaborated the utility model.It is it should be appreciated that described herein specific real Example is applied only to explain the utility model, is not used to limit the utility model.
Also referring to Fig. 1 and Fig. 2, now arrester warning device provided by the utility model is illustrated.It is described to keep away Thunder device warning device, including the insulation ring body 2 that can be sleeved on lightning arrester body 1, the insulation ring body 2 is interior to be equipped with bag Control module containing current transformer 3 and control circuit 4, the control circuit include battery 5, indicator light 6 and pulse switch 7, The indicator light 6 is arranged on outside insulation ring body 2, facilitates tour personnel to observe abnormal arrester in time;Current transformer Sensing terminal be exposed at outside lightning arrester body and can sense Leakage Current in time., can be by absolutely for 10KV arresters The internal diameter of edge ring body is consistent with 10KV lightning arrester body outside diameters, ensures that installation is stablized, and insulation ring body is installed on arrester sheet Body position, can ensure that original lightning arrester discharge distance, creepage distance are not destroyed, meet design requirement.
Arrester warning device provided by the utility model, compared with prior art, can be easily by dead ring Body fits insulated part on the body of arrester, when leakage current caused by arrester generation ground fault can be up to 5- 15A, beyond thousands of times of normal value.Leakage current activates pulse switch in control module by current transformer, and control circuit connects It is logical, light indicator light and play a warning role, facilitate tour personnel to find failure arrester.The work for reducing service personnel is strong Degree, improves overhaul efficiency.
Further, also referring to Fig. 2, as a kind of specific real of arrester warning device provided by the utility model Mode is applied, time delay module 8 of also connecting in the control circuit, the pulse switch 7 is self- recoverage pulse switch.Wherein, it is delayed When the delay duration setting value of module 8 is 5 small, the delay duration of time delay module and the tour vacuum phase of tour personnel match.When After ground fault occurs for arrester, the control circuit in control module is connected, and indicator light is lit, can be kept using time delay module When indicator light bright light 5 is small, ensures that tour personnel rushes in tour vacuum phase and find failure arrester.Indicator light light 5 it is small when after, Control circuit automatically powers off, and effectively reduces power consumption, extends service life, can ensure battery continuous work in insulation ring body 5 years.
Further, referring to Fig. 2, a kind of specific embodiment party as arrester warning device provided by the utility model Formula, is in series with over-current protecting element 10 and protection is opened on the circuit between two electric currents sensing terminal 9 of the current transformer 3 Close 11.Wherein, the over-current protecting element 10 is PTC thermistor.It can be prevented using PTC thermistor and protection switch Control module is damaged in the case of arrester ground and lightning stroke high current, can be returned to after surge arrester failure is removed Pre- guard mode, its excess current protective function can be realized when breaking down again again.
Wherein, the indicator light 6 is LED light.LED light can reduce kwh loss, extend the service life of indicator light.
Further, in a specific embodiment of the utility model, the insulation ring body 2 is flexible falope ring Body, has certain elasticity, can more firmly be sleeved on lightning arrester body, facilitate installing and dismounting.
The utility model is in arrester normal operation, since leakage current is minimum, when not up to control circuit pulse is opened During the setting initiation value of pass, whole device all the time in a dormant state, in control module battery only when arrester breaks down, When current transformer influence value is more than 5A, insulation ring body inner control circuit is switched on, and lights indicator light start-up operation;Control electricity Time delay module starts timing in road, when delay 5 is small after, control circuit disconnects automatically, and LED light is extinguished, without manual intervention.Work Insulation ring body can be removed and is reinstalled on qualified arrester by personnel from damage arrester, be continuing with.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model Protection domain within.

Claims (7)

1. arrester warning device, it is characterised in that:It is described exhausted including the insulation ring body that can be sleeved on lightning arrester body The control module comprising current transformer and control circuit is equipped with edge ring body, the control circuit includes battery, indicator light And pulse switch, the indicator light are arranged on dead ring body exterior.
2. arrester warning device as claimed in claim 1, it is characterised in that:In the control circuit also series connection delay mould Block, the pulse switch are self- recoverage pulse switch.
3. arrester warning device as claimed in claim 1, it is characterised in that:Two electric currents sensing of the current transformer Over-current protecting element and protection switch are in series with circuit between terminal.
4. arrester warning device as claimed in claim 3, it is characterised in that:The over-current protecting element is PTC temperature-sensitives Resistance.
5. arrester warning device as claimed in claim 2, it is characterised in that:The delay duration setting value of the time delay module For 5 it is small when.
6. arrester warning device as claimed in claim 1, it is characterised in that:The indicator light is LED light.
7. such as claim 1-6 any one of them arrester warning devices, it is characterised in that:The insulation ring body is flexibility Silica gel ring body.
CN201721399280.3U 2017-10-26 2017-10-26 Arrester warning device Active CN207336679U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721399280.3U CN207336679U (en) 2017-10-26 2017-10-26 Arrester warning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721399280.3U CN207336679U (en) 2017-10-26 2017-10-26 Arrester warning device

Publications (1)

Publication Number Publication Date
CN207336679U true CN207336679U (en) 2018-05-08

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721399280.3U Active CN207336679U (en) 2017-10-26 2017-10-26 Arrester warning device

Country Status (1)

Country Link
CN (1) CN207336679U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107632229A (en) * 2017-10-26 2018-01-26 国家电网公司 Arrester warning device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107632229A (en) * 2017-10-26 2018-01-26 国家电网公司 Arrester warning device

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