CN204086364U - Lightning arrester leakage current monitoring device - Google Patents
Lightning arrester leakage current monitoring device Download PDFInfo
- Publication number
- CN204086364U CN204086364U CN201420458156.XU CN201420458156U CN204086364U CN 204086364 U CN204086364 U CN 204086364U CN 201420458156 U CN201420458156 U CN 201420458156U CN 204086364 U CN204086364 U CN 204086364U
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- Prior art keywords
- lightning arrester
- leakage current
- monitoring device
- arrester leakage
- annular
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Abstract
The utility model provides a kind of lightning arrester Leakage Current monitoring device, it comprises outer casing base, be fixed on the annular casing on described outer casing base and ferromagnetic conduit, described ferromagnetic conduit is plugged in the housing inner ring of described annular casing, annular core is provided with in described annular casing, described annular core has curled winding coil, current collection circuit is provided with in described outer casing base, microprocessor module and signal projector, the collection terminal of described current collection circuit connects described winding coil, the output terminal of described current collection circuit connects described microprocessor module, described microprocessor module connects described signal projector and by this signal projector and upper machine communication.This lightning arrester Leakage Current monitoring device has design science, structure is simple, easy for installation, production cost is low and monitoring effect is good advantage.
Description
Technical field
The utility model relates to a kind of earth detector, specifically, relate to a kind of lightning arrester Leakage Current monitoring device.
Background technology
The Lightning disservice caused to prevent thunder and lightning, usual distribution transformer platform area is provided with all kinds of lightning arrester, the harm caused to prevent thunder and lightning.But in these lightning arrester Long-Time Service processes, corroded by external environment unavoidably or damage, causing lightning arrester performance to reduce, and then lightning arrester Leakage Current.Because power supply department carries out regular visit to lightning arrester, cause only when patrolling and examining by preventive trial, just can know that whether lightning arrester intact.But in actual motion, often owing to patrolling and examining not in time, cannot Timeliness coverage lightning arrester whether leakage current, lightning arrester Leakage Current causes line tripping to have a power failure.
In order to solve above Problems existing, people are seeking a kind of desirable technical solution always.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, thus provides the lightning arrester Leakage Current that a kind of design science, structure are simple, easy for installation, production cost is low and monitoring effect is good monitoring device.
To achieve these goals, the technical scheme that the utility model adopts is: a kind of lightning arrester Leakage Current monitoring device, it comprises outer casing base, be fixed on the annular casing on described outer casing base and ferromagnetic conduit, described ferromagnetic conduit is plugged in the housing inner ring of described annular casing, annular core is provided with in described annular casing, described annular core has curled winding coil, current collection circuit is provided with in described outer casing base, microprocessor module and signal projector, the collection terminal of described current collection circuit connects described winding coil, the output terminal of described current collection circuit connects described microprocessor module, described microprocessor module connects described signal projector and by this signal projector and upper machine communication.
Based on above-mentioned, be provided with iron core groove in described annular casing, described annular core is arranged in described iron core groove.
Based on above-mentioned, described ferromagnetic conduit is provided with cover plate, described cover plate offers ground line three-way hole.
Based on above-mentioned, described outer casing base is provided with fixed installation folder, described fixed installation folder comprises two clamps be hinged.
Based on above-mentioned, described clamp is arc clamp.
The utility model hinge structure has substantive distinguishing features and progress, specifically, the utility model comprises outer casing base, annular casing and ferromagnetic conduit, bottom lightning arrester, ground wire is connected during use, ferromagnetic conduit is set on ground wire, if lightning arrester Leakage Current, thunder-strike current flows to the earth through described ferromagnetic conduit, induction electromotive force certainly will be produced on described winding coil, now described microprocessor module collects current signal by described current collection circuit, and be uploaded to host computer by described signal projector, be convenient to staff's Timeliness coverage lightning arrester Leakage Current, it has design science, structure is simple, easy for installation, production cost is low and monitoring effect is good advantage.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of described ferromagnetic conduit and described cover plate.
Fig. 3 is the mounting structure schematic diagram of the utility model and lightning arrester.
Fig. 4 is circuit structure block diagram of the present utility model.
Embodiment
Below by embodiment, the technical solution of the utility model is described in further detail.
As shown in Figure 1, Figure 2 and Figure 4, a kind of lightning arrester Leakage Current monitoring device, it comprises outer casing base 1, be fixed on annular casing 2 on described outer casing base 1 and ferromagnetic conduit 5.Described ferromagnetic conduit 5 is plugged in the housing inner ring of described annular casing 2, is provided with annular core 3 in described annular casing 2, and described annular core 3 has curled winding coil 4.Current collection circuit, microprocessor module and signal projector is provided with in described outer casing base 1, the collection terminal of described current collection circuit connects described winding coil 4, when producing induction electromotive force in described winding coil 4, described current collection circuit collects current signal; The output terminal of described current collection circuit connects described microprocessor module, and described microprocessor module receives this current signal, and described microprocessor module connects described signal projector and by this signal projector and upper machine communication.
Described annular casing 2 is made into the annular casing of different size according to the lightning arrester of different model, this annular casing is selected soft cold-reduced sheet impact briquetting and carried out hot dip process; Described ferromagnetic conduit 5 can shield the interference of extraneous magnetic field, ensures the accuracy of work.
Described annular core 3 adopts cold rolling selenium steel disc to make, utilize up-coiler by banded selenium steel disc coiling ring-shaped, according to the lightning arrester of different size, make the annular core 3 of different size, the annular core turned to is heat-treated, the annular core that coiling is good is placed in High frequency heat treating furnace and carries out pyroprocessing, treatment temperature controls at 400 ~ 450 degree; Keep 2 hours, after coming out of the stove, dipping lacquer process is carried out to annular core at once; The annular core distortion that whole process will strictly prevent coiling good.
When described winding coil 4 curls, first with the annular core 3 that Kapton Tape bandages, adopting circular thread winder or manual comb, is 0.19 ~ 0.21mm by diameter
2circle copper enameled wire Double-wire parallel wound, be wound on described annular core 3 equably, the number of turns of coiling circle copper enameled wire is 160 ~ 180 circles, carries out dipping lacquer process after curling, ensure that this lightning arrester Leakage Current monitoring device is arranged on optional position, all there will not be the deviation of action sensitivity.
Employing has high electric strength, high temperature resistant, high clinging power, erosion-resisting Kapton Tape wrapping annular core, smoothly by 8000V impulse voltage withstand test and simulation Lightning Test, can improve security performance, ensure that product quality.
For the ease of fixing described annular core, be provided with iron core groove in described annular casing 2, described annular core 3 is arranged in described iron core groove.The two ends of described winding coil 4 are drawn, does insulation processing; Described current collection circuit is connected with this.
In order to prevent external magnetic field from disturbing, described ferromagnetic conduit 5 being provided with cover plate 6, described cover plate 6 offering ground line three-way hole 61.
In order to whole lightning arrester Leakage Current monitoring device is arranged on lightning arrester, as shown in Figure 3, described outer casing base 1 is provided with fixed installation folder 11, described fixed installation folder 11 comprises two clamps be hinged, described clamp is arc clamp, is convenient to clamp lightning arrester.
During concrete installation, as shown in Figure 3, one end of lightning arrester connects high-tension line 91, the lightning arrester other end is by ground wire 92 ground connection, described ground wire 92 is through ground connection after the ferromagnetic conduit 5 in this lightning arrester Leakage Current monitoring device, described ground wire 92 enters described ferromagnetic conduit 5 through described ground line three-way hole 61, utilizes the fixed installation on described outer casing base 1 to press from both sides 11 and is fixed on lightning arrester by whole lightning arrester Leakage Current monitoring device, both completed installation.
Principle of work: if lightning arrester 9 leakage current that hi-line 91 connects, thunder-strike current certainly will flow into the earth through lightning arrester through ground wire 92, the thunder-strike current now flowing through ground wire 92 certainly will cause producing in described winding coil 4 moving electromotive force, described microprocessor module collects current signal by described current collection circuit, and be uploaded to host computer by described signal projector, be convenient to staff's Timeliness coverage lightning arrester Leakage Current.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the field have been to be understood that: still can modify to embodiment of the present utility model or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope of the utility model request protection.
Claims (5)
1. a lightning arrester Leakage Current monitoring device, it is characterized in that: it comprises outer casing base, be fixed on the annular casing on described outer casing base and ferromagnetic conduit, described ferromagnetic conduit is plugged in the housing inner ring of described annular casing, annular core is provided with in described annular casing, described annular core has curled winding coil, current collection circuit is provided with in described outer casing base, microprocessor module and signal projector, the collection terminal of described current collection circuit connects described winding coil, the output terminal of described current collection circuit connects described microprocessor module, described microprocessor module connects described signal projector and by this signal projector and upper machine communication.
2. lightning arrester Leakage Current monitoring device according to claim 1, is characterized in that: be provided with iron core groove in described annular casing, and described annular core is arranged in described iron core groove.
3. lightning arrester Leakage Current monitoring device according to claim 1 and 2, is characterized in that: described ferromagnetic conduit is provided with cover plate, described cover plate offers ground line three-way hole.
4. lightning arrester Leakage Current monitoring device according to claim 3, is characterized in that: described outer casing base is provided with fixed installation folder, and described fixed installation folder comprises two clamps be hinged.
5. lightning arrester Leakage Current monitoring device according to claim 4, is characterized in that: described clamp is arc clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420458156.XU CN204086364U (en) | 2014-08-14 | 2014-08-14 | Lightning arrester leakage current monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420458156.XU CN204086364U (en) | 2014-08-14 | 2014-08-14 | Lightning arrester leakage current monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204086364U true CN204086364U (en) | 2015-01-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420458156.XU Expired - Fee Related CN204086364U (en) | 2014-08-14 | 2014-08-14 | Lightning arrester leakage current monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204086364U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104215815A (en) * | 2014-08-14 | 2014-12-17 | 河南开启电力实业有限公司 | Leakage current monitoring device of lightning arrester |
-
2014
- 2014-08-14 CN CN201420458156.XU patent/CN204086364U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104215815A (en) * | 2014-08-14 | 2014-12-17 | 河南开启电力实业有限公司 | Leakage current monitoring device of lightning arrester |
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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: 20150107 Termination date: 20160814 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |