CN209515336U - A kind of fault identification anti-thunder insulator - Google Patents
A kind of fault identification anti-thunder insulator Download PDFInfo
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- CN209515336U CN209515336U CN201920239713.1U CN201920239713U CN209515336U CN 209515336 U CN209515336 U CN 209515336U CN 201920239713 U CN201920239713 U CN 201920239713U CN 209515336 U CN209515336 U CN 209515336U
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- fault
- clamper
- identification anti
- fault detector
- becket
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Abstract
The utility model provides a kind of fault identification anti-thunder insulator, including insulation daughter and the arrester being arranged in inside insulator body, arrester includes non-linear resistor, fault identification anti-thunder insulator further includes fault detector, clamper becket is equipped between the two neighboring full skirt of insulation daughter, fault detector is fixed in insulation daughter by clamper becket, fault detector is electrically connected by clamper becket with arrester, fault detector includes current transformer, Mersure Controler, electronic control ignition head, instruction band actuating mechanism and instruction band, when daughter of insulating is broken down, Mersure Controler controls the excitation of electronic control ignition head, so that instruction band actuating mechanism driving instruction band is blown out out of fault detector.The utility model can bear obvious signs when providing a kind of surge arrester failure, and the fault identification anti-thunder insulator of guilty culprit position is clearly discernible under shaft tower.
Description
Technical field
The utility model relates to a kind of anti-thunder insulator more particularly to a kind of fault identification anti-thunder insulators.
Background technique
When distribution line is by being struck by lightning, the current potential on conducting wire is more than the impulse withstand voltage of line insulator and flashover occurs.It is special
When not being by indirect lightning strike, triphasic potential can be raised simultaneously, and cause three-phase flashover simultaneously.After flashover, power frequency continued flow is along sudden strain of a muscle
Network channel and under, will cause phase fault, conducting wire is blown or insulator is burnt out.Therefore setting up in insulator has arrester.But it is existing
It is difficult to judge fault condition from exterior insulator when the surge arrester failure of some anti-thunder insulators.
Summary of the invention
It, can be clear under shaft tower the purpose of this utility model is to provide that can bear obvious signs when a kind of surge arrester failure
Distinguish the fault identification anti-thunder insulator of guilty culprit position.
In order to achieve the above object, the utility model adopts the following technical solution:
A kind of fault identification anti-thunder insulator, it is described including insulation daughter and the arrester being arranged in inside insulator body
Arrester includes non-linear resistor, and the fault identification anti-thunder insulator further includes fault detector, the insulation daughter
Clamper becket is equipped between two neighboring full skirt, the fault detector is fixed on the insulator by the clamper becket
On body, the fault detector is electrically connected by the clamper becket with the arrester, and the fault detector includes electricity
Current transformer, Mersure Controler, electronic control ignition head, instruction band actuating mechanism and instruction band, when the insulation daughter is broken down
When, the Mersure Controler controls the electronic control ignition head excitation, so that instruction band actuating mechanism drives the instruction band
It blows out out of described fault detector.
Further, the Mersure Controler includes sequentially connected current measurement circuit, comparator circuit, trigger circuit
With protection circuit.
Further, the non-linear resistor is zinc oxide resistance sheet.
Further, the surface of the zinc oxide resistance sheet is coated with high-resistivity nano-paste coating.
Further, the instruction band is reflective instruction band.
Further, electro-insulating rubber is equipped between the insulation daughter and the clamper becket, the fault detector
Pad.
After adopting the above technical scheme, the utility model has the advantages that
Under normal working voltage, the non-linear resistor of arrester is in high resistance state, and insulate daughter top conductor line slot
It is insulation between fault detector, is effectively isolated line voltage distribution.Under lightning current, since nonlinear resistance sector-meeting is in low electricity
Resistance state, lightning voltage concentrate between fault detector and insulator metallic channel, and the air between fault detector and conducting wire is hit
It wears, lightning current enters ground by non-linear resistor, and the voltage of lightning current is limited in fault detector to exhausted by non-linear resistor
Below the breakdown voltage of air between edge lower end.Due to obtaining nonlinear resistance between fault detector and insulator lower end
Clamper, flashover will not occur for insulator lower end.After lightning current, non-linear resistor is in high resistance state, and limitation power frequency is continuous
Stream, will not burn insulator and fitting, the insulation recovery of the air of fault detector upper end.
Power frequency and current duration are measured by Mersure Controler, utilizes the frequency of lightning current and power frequency fault current
The different carry out primary election of rate, using the different further selection of the duration of lightning current and power frequency fault current, when detecting
When power frequency fault current, the excitation of electronic control ignition head, so that instruction band actuating mechanism driving instruction band is blown out out of fault detector,
Play the role of indicating fault point.
Clamper becket has failure alarm function, and when arrester breaks down, clamper becket can collapse automatically to be held, and is made
Change at clamper ratio；As soon as providing a specific label simultaneously, therefore check that appearance can determine whether operating status, reduces failure and look into
Look for the time.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawing:
Fig. 1 is the structural schematic diagram of fault identification anti-thunder insulator in embodiment.
Fig. 2 is mounting structure schematic diagram of the fault identification anti-thunder insulator on straight line pole in embodiment.
Specific embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
As shown in Figure 1, a kind of fault identification anti-thunder insulator, including insulation daughter 1, arrester (not shown) and event
Hinder indicator 2.The upper end of insulation daughter 1 is equipped with metallic channel 101, and the lower end of insulation daughter 1 is equipped with steel feet bolt 102.
The inside of insulation daughter 1 is arranged in arrester comprising non-linear resistor.In the present embodiment, the non-linear electricity
Resistance piece is zinc oxide resistance sheet.Further, the surface of zinc oxide resistance sheet is coated with high-resistivity nano-paste coating.
Clamper becket 3 is equipped between the two neighboring full skirt of insulation daughter 1, fault detector 2 is solid by clamper becket 3
It is scheduled in insulation daughter 1.In the present embodiment, insulate and be equipped with insulation rubber between daughter and clamper becket, the fault detector
Rubber mat.
Fault detector 2 is electrically connected by clamper becket 3 with arrester, and fault detector 2 includes current transformer, surveys
Amount controller, electronic control ignition head, instruction band actuating mechanism and instruction band.In the present embodiment, instruction band is reflective instruction band, night
When inspection, also insulator can be irradiated by torch, indicated with reflective judgement fault point.
Under normal working voltage, the non-linear resistor of arrester is in high resistance state, and insulate daughter top conductor line slot
It is insulation between fault detector, is effectively isolated line voltage distribution.Under lightning current, since nonlinear resistance sector-meeting is in low electricity
Resistance state, lightning voltage concentrate between fault detector and insulator metallic channel, and the air between fault detector and conducting wire is hit
It wears, lightning current enters ground by non-linear resistor, and the voltage of lightning current is limited in fault detector to exhausted by non-linear resistor
Below the breakdown voltage of air between edge lower end.Due to obtaining nonlinear resistance between fault detector and insulator lower end
Clamper, flashover will not occur for insulator lower end.After lightning current, non-linear resistor is in high resistance state, and limitation power frequency is continuous
Stream, will not burn insulator and fitting, the insulation recovery of the air of fault detector upper end.
Power frequency and current duration are measured by Mersure Controler, utilizes the frequency of lightning current and power frequency fault current
The different carry out primary election of rate, using the different further selection of the duration of lightning current and power frequency fault current, when detecting
When power frequency fault current, the excitation of electronic control ignition head, so that instruction band actuating mechanism driving instruction band is blown out out of fault detector,
Play the role of indicating fault point.
Clamper becket has failure alarm function, and when arrester breaks down, clamper becket can collapse automatically to be held, and is made
Change at clamper ratio；As soon as providing a specific label simultaneously, therefore check that appearance can determine whether operating status, reduces failure and look into
Look for the time.
As shown in Fig. 2, illustrating for mounting structure of the fault identification anti-thunder insulator in the present embodiment on straight line pole
Figure, wherein conducting wire is mounted in conducting wire mounting groove 101, and cross-arm is fixedly connected with steel feet bolt 102.It should be noted that resistance to
Fault identification anti-thunder insulator is installed, mounting structure can be variant on tension rod tower.
In addition to above preferred embodiment, for the utility model there are also other embodiments, those skilled in the art can root
It is made various changes and modifications according to the utility model, without departing from the spirit of the utility model, should belong to the utility model
Range defined in appended claims.
Claims (6)
1. a kind of fault identification anti-thunder insulator, described to keep away including insulation daughter and the arrester being arranged in inside insulator body
Thunder device includes non-linear resistor, which is characterized in that the fault identification anti-thunder insulator further includes fault detector, described exhausted
Clamper becket is equipped between the two neighboring full skirt of edge daughter, the fault detector is fixed on institute by the clamper becket
It states in insulation daughter, the fault detector is electrically connected by the clamper becket with the arrester, the indicating fault
Device includes current transformer, Mersure Controler, electronic control ignition head, instruction band actuating mechanism and instruction band, when the insulation daughter
When breaking down, the Mersure Controler controls the electronic control ignition head excitation, so that instruction band actuating mechanism drives institute
Instruction band is stated to blow out out of described fault detector.
2. fault identification anti-thunder insulator according to claim 1, which is characterized in that the Mersure Controler includes successively
Current measurement circuit, comparator circuit, trigger circuit and the protection circuit of connection.
3. fault identification anti-thunder insulator according to claim 1, which is characterized in that the non-linear resistor is oxidation
Zinc resistor disc.
4. fault identification anti-thunder insulator according to claim 3, which is characterized in that the surface of the zinc oxide resistance sheet
Coated with high-resistivity nano-paste coating.
5. fault identification anti-thunder insulator according to claim 1, which is characterized in that the instruction band is reflective instruction
Band.
6. fault identification anti-thunder insulator according to claim 1, which is characterized in that the insulation daughter and the clamper
Electro-insulating rubber pad is equipped between becket, the fault detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920239713.1U CN209515336U (en) | 2019-02-26 | 2019-02-26 | A kind of fault identification anti-thunder insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920239713.1U CN209515336U (en) | 2019-02-26 | 2019-02-26 | A kind of fault identification anti-thunder insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209515336U true CN209515336U (en) | 2019-10-18 |
Family
ID=68204853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920239713.1U Active CN209515336U (en) | 2019-02-26 | 2019-02-26 | A kind of fault identification anti-thunder insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209515336U (en) |
-
2019
- 2019-02-26 CN CN201920239713.1U patent/CN209515336U/en active Active
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