CN201434886Y - Multifunctional insulator leakage current indicator - Google Patents
Multifunctional insulator leakage current indicator Download PDFInfo
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- CN201434886Y CN201434886Y CN2009201031586U CN200920103158U CN201434886Y CN 201434886 Y CN201434886 Y CN 201434886Y CN 2009201031586 U CN2009201031586 U CN 2009201031586U CN 200920103158 U CN200920103158 U CN 200920103158U CN 201434886 Y CN201434886 Y CN 201434886Y
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- insulating base
- insulator
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Abstract
A multifunctional insulator leakage current indicator is utilized for detecting the leakage current of an insulator. The technical scheme is that the multifunctional insulator leakage current indicator comprises a critical current indicator, wherein the critical current indicator includes an insulating base, a fusant and an insulating cover; the insulating cover covers the insulating base, a fusant has a bar shape, the lower end of the fusant is fixed at the center of the insulating base, and the upper end of the fusant is fixed at the top part of the insulating cover; and a lead wire at one end of the fusant is connected with a ground wire or a high-voltage wire, a lead wire at the other end of the fusant is tightly connected with the surface of the end part of the insulator, and a colormarker fixedly connected with the insulating base is further arranged inside a cavity formed by enclosing the insulating cover and the insulating base. The utility model has the advantages of simple structure and convenient installation, can provide various information of insulation state, completely eliminates the blindness in the work of the insulator cleaning and maintenance, improves the working efficiency of examining and repairing, and reduces the labor intensity of examining and repairing.
Description
Technical field
The utility model relates to a kind of improved insulator leakage current indicator, and it can provide different indicator signals according to different leakage currents, belongs to the detection technique field.
Background technology
High-tension insulator is widely used in the transmission line of electricity of power department, and its insulating property are directly connected to the safe operation of transmission line of electricity.Along with the increase of insulator surface spot laying dust thickness, the insulating property of insulator constantly descend, and when laying dust thickness acquired a certain degree, flashover will take place insulator, causes short trouble, therefore must in time remove contamination to the insulator surface laying dust.
The insulator leakage current indicator is to help people to judge the device of insulator dielectric performance, but existing insulator leakage current indicator only can just be made corresponding indication when flashover current occurring, and the insulating property of working as insulator worsen, before being about to arcing fault takes place, but alarm signal can not be in time provided, thereby the blindness of the work of removing contamination can not be thoroughly eliminated.In addition, existing insulator leakage current indicator can not be distinguished arcing fault and lightning fault, and the complex structure of indicator, and inconvenience is installed.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, it is a kind of simple in structure, easy for installation and can provide the sub-leakage current indicator of multifunction insulating of multiple indicator signal to provide.
Problem described in the utility model realizes with following technical proposals:
The sub-leakage current indicator of a kind of multifunction insulating, it comprises a critical current indicator, described critical current indicator is made up of insulating base, melt and insulating boot, described insulating boot covers on the insulating base, described melt is strip or sheet, the insulating base center is fixed in its lower end, the insulating boot top is fixed in the upper end, the lead-in wire of melt one end is connected with ground wire or high-tension bus-bar, the lead-in wire of the other end closely is connected with the insulator end surface, also is provided with the red marker affixed with insulating base in the cavity that insulating boot and insulating base surround.
The sub-leakage current indicator of above-mentioned multifunction insulating, also comprise the arcing fault indicator in the formation, the structure of described arcing fault indicator is identical with the critical current indicator, its melt sectional area is greater than the melt sectional area of critical current indicator, be provided with the blue marker affixed with its insulating base in the cavity that its insulating boot and insulating base surround, the melt of arcing fault indicator and critical current indicator is connected in parallel.
The sub-leakage current indicator of above-mentioned multifunction insulating, also comprise lightning stroke fault indicator in the formation, the structure of described lightning stroke fault indicator is also identical with the critical current indicator, its melt sectional area is greater than the melt sectional area of arcing fault indicator, in the cavity that its insulating boot and insulating base surround, be provided with the yellow marker affixed with its insulating base, arcing fault indicator and critical current indicator are connected in parallel earlier, after being connected in series with lightning stroke fault indicator again, one end is connected with ground wire or high-tension bus-bar, the other end closely is connected with the insulator end surface, and three melt common points also closely are connected with the insulator end surface.
The sub-leakage current indicator of above-mentioned multifunction insulating, described melt lead-in wire closely is connected by endless metal buckle and ground wire or hi-line or insulator end surface.
The utility model is made up of three different Fuse Type indicators of melt cross-sectional area, respectively corresponding three kinds of different leakage currents of fusing current: the leakage current when being about to arcing fault takes place (critical current), arcing fault electric current and lightning fault electric current.Three Fuse Type indicator inside are provided with the marker of three kinds of different colours, under the normal condition, colour code thing in three indicators all is in the insulating boot, when the leakage current of insulator surpasses certain melt blow-out current value, this melt fusing, insulating base and colour code thing drop under action of gravity, and the colour code thing exposes, it is that the heavier needs of contamination are arranged cleaning work that the staff just can judge insulator according to the color of colour code thing, and flashover or lightning fault have still taken place.The utility model is simple in structure, easy for installation, multiple functional, can be the staff multiple state of insulation information is provided, and has eliminated thoroughly that insulator is removed contamination and the blindness of maintenance work, has effectively improved service work efficient, has reduced maintenance labour intensity.
The utility model is described in further detail below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is a scheme of installation of the present utility model;
Fig. 2 is the indicator structural representation.
Each label is among the figure: 1, critical current indicator, 2, the arcing fault indicator, 3, lightning stroke fault indicator, 4, the endless metal buckle, 5, insulator, 6, insulating boot, 7, insulating base, 8, marker, 9, melt, 10, lead-in wire.
Embodiment
Referring to Fig. 1, the Fuse Type indicator of three different fusing current setting values of the present utility model is connected with the mode of the 3rd series connection after according to two parallel connections again, all there is endless metal buckle 4 each lead-in wire end, blown fuse indicator two ends in order to install and fix, the leakage current of insulator flows through three melts 9 in the Fuse Type indicator simultaneously, and the melt 9 of blown fuse indicator inside is used for the leakage current between two endless metal buckles 4 is up and down detected and judges.The fusing current of three melts 9 respectively corresponding insulator be about to arcing fault takes place the time leakage current, flashover current and thunder-strike current.When the leakage current of insulator during near flashover current, melt in the critical current indicator 1 fuses, the insulating base 7 of critical current indicator 1 and insulating boot 6 are separately, (marker should be eye-catching to expose inner red marker, different blown fuse indicator different colours marks), illustrate that the insulator contamination more seriously needs timely cleaning.When insulator generation flashover, leakage current is greater than the flashover current setting value, melt in critical current indicator 1 and the arcing fault indicator 2 all fuses, the insulating base 7 of critical current indicator 1 and arcing fault indicator 2 and insulating boot 6 are separately, expose the red marker of critical current indicator 1 inside and the blue marker of arcing fault indicator 2 inside, illustrate that arcing fault has taken place insulator herein.When insulator is struck by lightning, because thunder-strike current is very big, leakage current is greater than the thunder-strike current setting value, melt in critical current indicator 1, arcing fault indicator 2 and the lightning stroke fault indicator 3 all fuses, the insulating base 7 and the insulating boot 6 of three indicators all separate, the redness, blueness and the yellow marker that expose three blown fuse indicator inside illustrate that lightning fault has taken place insulator herein.
Referring to Fig. 2, the shell of three indicators is formed by the insulating boot 6 on top and the insulating base 7 of bottom, the top of insulating boot is blocked by the I shape upper end of melt 9, insulating base 7 is held by the I shape lower end of melt 9, the upper surface of insulating base is installed the colored marker 8 of an insulating material, three indicators adopt different colour code things, are used to distinguish different indicators.The electric current that flows through when melt 9 is during greater than the setting value of this blown fuse indicator, and parts thinner in the middle of the melt 9 disconnect, and insulating base 7 drops under action of gravity, and colored marker 8 exposes.
The utility model is installed in the electric transmission line isolator topmost or the full skirt surface of a nethermost insulator.
Claims (4)
1, the sub-leakage current indicator of a kind of multifunction insulating, it is characterized in that, it comprises a critical current indicator (1), described critical current indicator (1) is by insulating base (7), melt (9) and insulating boot (6) are formed, described insulating boot (6) covers on the insulating base (7), described melt (9) is strip or sheet, insulating base (7) center is fixed in its lower end, insulating boot (6) top is fixed in the upper end, the lead-in wire of melt (9) one ends is electrically connected with ground wire or hi-line, the lead-in wire of the other end closely is connected with the insulator end surface, also is provided with and the affixed red marker of insulating base (7) in the cavity that insulating boot (6) and insulating base (7) surround.
2, according to the sub-leakage current indicator of the described multifunction insulating of claim 1, it is characterized in that, also comprise arcing fault indicator (2) in the formation, the structure of described arcing fault indicator (2) is identical with critical current indicator (1), its melt (9) sectional area is greater than the melt sectional area of critical current indicator (1), be provided with the blue marker affixed with its insulating base (7) in the cavity that its insulating boot (6) and insulating base (7) surround, arcing fault indicator (2) is connected in parallel with the melt of critical current indicator (1).
3, according to the sub-leakage current indicator of the described multifunction insulating of claim 2, it is characterized in that, also comprise lightning stroke fault indicator (3) in the formation, the structure of described lightning stroke fault indicator (3) is identical with critical current indicator (1), its melt (9) sectional area is greater than the melt sectional area of arcing fault indicator (2), in the cavity that its insulating boot (6) and insulating base (7) surround, be provided with the yellow marker affixed with its insulating base (7), arcing fault indicator (2) is connected in parallel earlier with the melt of critical current indicator (1), after being connected in series with the melt of lightning stroke fault indicator (3) again, one end is electrically connected with ground wire or hi-line, the other end closely is connected with the insulator end surface, and each indicator melt two ends also closely is connected with insulator surface.
According to claim 1, the sub-leakage current indicator of 2 or 3 described multifunction insulatings, it is characterized in that 4, the lead-in wire (10) of described melt (9) closely is connected by endless metal buckle (4) and ground wire or hi-line or insulator end surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201031586U CN201434886Y (en) | 2009-06-08 | 2009-06-08 | Multifunctional insulator leakage current indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201031586U CN201434886Y (en) | 2009-06-08 | 2009-06-08 | Multifunctional insulator leakage current indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201434886Y true CN201434886Y (en) | 2010-03-31 |
Family
ID=42053699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201031586U Expired - Lifetime CN201434886Y (en) | 2009-06-08 | 2009-06-08 | Multifunctional insulator leakage current indicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201434886Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104316753A (en) * | 2014-11-08 | 2015-01-28 | 韩少卿 | High-voltage transmission line insulator leakage current indicator |
| CN105116203A (en) * | 2015-08-10 | 2015-12-02 | 国网浙江省电力公司湖州供电公司 | High-voltage presence indication device through monitoring leakage current of high voltage equipment |
| CN105403817A (en) * | 2015-11-03 | 2016-03-16 | 国网辽宁省电力有限公司葫芦岛供电公司 | Power transmission line insulator pollution flashover/lightning stoke flashover double indicator |
| CN114280430A (en) * | 2021-11-12 | 2022-04-05 | 国网浙江省电力有限公司丽水供电公司 | Insulator flashover online monitoring system of high-voltage transmission line |
-
2009
- 2009-06-08 CN CN2009201031586U patent/CN201434886Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104316753A (en) * | 2014-11-08 | 2015-01-28 | 韩少卿 | High-voltage transmission line insulator leakage current indicator |
| CN104316753B (en) * | 2014-11-08 | 2017-06-16 | 韩骏 | A kind of high tension transmission line insulator leakage current indicator |
| CN105116203A (en) * | 2015-08-10 | 2015-12-02 | 国网浙江省电力公司湖州供电公司 | High-voltage presence indication device through monitoring leakage current of high voltage equipment |
| CN105403817A (en) * | 2015-11-03 | 2016-03-16 | 国网辽宁省电力有限公司葫芦岛供电公司 | Power transmission line insulator pollution flashover/lightning stoke flashover double indicator |
| CN114280430A (en) * | 2021-11-12 | 2022-04-05 | 国网浙江省电力有限公司丽水供电公司 | Insulator flashover online monitoring system of high-voltage transmission line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100331 Effective date of abandoning: 20090608 |