CN102495323A - Lightning flashover indicator - Google Patents
Lightning flashover indicator Download PDFInfo
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- CN102495323A CN102495323A CN2011104454438A CN201110445443A CN102495323A CN 102495323 A CN102495323 A CN 102495323A CN 2011104454438 A CN2011104454438 A CN 2011104454438A CN 201110445443 A CN201110445443 A CN 201110445443A CN 102495323 A CN102495323 A CN 102495323A
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Abstract
The invention relates to a lightning flashover indicator. The indicator is placed by a tower rod ground loop which lightning current passes through. When lighting current intensity approaches to or exceeds a lightning resistant level of an insulator chain, the indicator senses an electric field generated by a tower rod equivalent inductor and excites motion, a motor is driven to drive an indication board, a caution signal is released, and simultaneously a wireless communication module sends the signal to a far-end management platform. An applied power supply is not needed, included solar cell and energy storage unit can ensure normal work, and the indicator is suitable for outdoor application. Trigger current has comparatively determined quantification, and an alarm scope of lightning stroke intensity can be set so as to adapt to different electrical network voltage grade applications. After alarm and reset, the indicator can be used repeatedly, and the product has good stability and consistency. The indicator has wireless communication and reception functions, and a power system management department can obtain alarm information timely and rapidly find a lightning stroke fault point in a huge electrical network.
Description
Technical field
The present invention relates to a kind of safety alarm device, particularly a kind of lightning stroke flashover indicator of high-voltage fence transmission line of electricity.
Background technology
Grid generally is in the comparison open field, and the peripheral relatively facility of the top height of electric transmission pole tower bar is very high, inevitably suffers the attack of thunder and lightning easily.After built on stilts transmission and distribution line line pole tower is struck by lightning; Current potential moment rising; When the superpotential on the insulator chain meets or exceeds 50% impulse sparkover voltage, just can produce the counterattack and cause the insulator chain flashover, cause circuit generation tripping operation accident; Serious possibly cause line outage, influences the safe and stable operation of whole electric power networks system.After this, operation power administrative authority need confirm the tower bar position of being struck by lightning to eliminate failure accident rapidly as early as possible.
According to " the aerial power transmission line operating standard " of country promulgation (DL/T741-2001), clear and definite mandatory requirement operation power department must install line fault range finding accurately, locating device at 220kv and above aerial power transmission line; The important line of low-voltage grade also should be installed fault locator.
Domestic existing thunder and lightning indication measurement display device has two kinds of indoor type and outdoor versions.Indoor type adopts ac power supply, generally mostly is the counter pattern, and for example LERDN LDY-JS need provide the 220v power supply during owing to device work, and inconvenience is used out of doors; The thunderbolt of outdoor version triggers indicating device, as to retrieve patent of invention be to adopt inner explosive to carry out the (patent No.: 98228178), belong to disposable use, and the stability of explosive reduces along with the prolongation of arrangement time with reliability in the product of dialysis.Existing these two kinds of thunder and lightning indication measurement display device, thunderbolt intensity alarm range all are fixing in advance, can not adjust along with difference such as electrical network grade, lightning withstand level, degree of protection.
Summary of the invention
The present invention be directed to the not enough problem of existing thunder and lightning indication measurement display device; A kind of lightning stroke flashover indicator has been proposed, have solar recharging, have thunder and lightning and trigger back induction reset function, can be placed on the long-term indicator that uses on the high-tension line tower bar, when high-tension line receives lightning impulse; When thunder-strike current intensity near or when surpassing the lightning withstand level of insulator chain; The feature board of connecting with the lightning induction coil triggers motor action, and direction board discharges alarm signal in the device, sends radio signal simultaneously; Carry out telecommunication and report to the police, the maintainer of power system management department can locate the high-pressure tower bar trouble spot of being struck by lightning fast.
Technical scheme of the present invention is: a kind of lightning stroke flashover indicator; Comprise shell, lightning induction coil, solar panel, energy-storage units, feature board, wireless communication module and motor; Solar panel is supplied power to feature board through energy-storage units; Lightning current through the tower bar equivalent inductance, stake resistance of series connection after ground connection; Produce in tower bar equivalent inductance and put a lightning induction coil in the scope in magnetic field and equivalent inductance interacts; The feature board of connecting with the lightning induction coil receives the induced signal of lightning induction coil, and feature board output signal drive motor rotates and drives inner rotating disk release alarm signal, through wireless communication module (8) signal is sent to the remote side administration platform simultaneously.
Said shell is inlaid with transparent form, and forms have inner rotating disk at the back, has half zone to scribble the prompting color on the turntable surface, and there is positioning key the rotating disk two edges to confirm the rotating disk position of rotation.
Said feature board is provided with non-contacting sensor, can adopt dry reed switch, optoelectronic switch or contactless infrared switch.
Beneficial effect of the present invention is: lightning stroke flashover indicator of the present invention, need not additional power source, and its solar cell that comprises adds energy-storage units can guarantee operate as normal, is suitable for outdoor use; Secondly trigger current has relatively confirm quantitative, can the alarm range of thunderbolt intensity be provided with, to adapt to different line voltage classes of applications; Moreover report to the police and reset after can reuse the stability of product, high conformity; Wireless telecommunications that have at last and receiving function can make power system management department in time obtain warning message, can in huge electrical network, find the lightning fault point rapidly.
Description of drawings
Fig. 1 is a lightning stroke flashover indicator circuit principle schematic of the present invention;
Fig. 2 is a lightning stroke flashover indicator structure wiring diagram of the present invention;
Fig. 3 is a lightning stroke flashover indicator structure synoptic diagram of the present invention.
Embodiment
Shown in Fig. 1 lightning stroke flashover indicator circuit principle schematic; Comprise the rod grounded resistance of tower bar equivalent inductance 2, tower 3, inductive coil 4, solar panel 5, energy-storage units 6, feature board 7, wireless communication module 8 and motor 9; Lightning current 1 is through the rod grounded resistance 3 back ground connection of tower bar equivalent inductance 2, the tower of series connection; In the scope in tower bar equivalent inductance 2 generation magnetic fields, put an inductive coil 4; The current-limiting resistance of connecting with inductive coil 4 output connection function plate 7, solar panel 5 connects energy-storage units 6, after indicator receives instantaneous thunderbolt; Automatically start the working power circuit and supply feature board 7, motor 9 and wireless communication module 8 sequences; Feature board 7 drives rotating disk 13 according to different feedback signal drive motor 9 and rotates, and the part that will have or not have the prompting color turns to transparent form 14 positions, counts and sends wireless communication signal simultaneously and be sent to far-end wireless receiving management platform.
With respect to domestic existing thunder and lightning indication measurement display device indoor type and two kinds of comparisons of outdoor version are arranged, outdoor version belongs to disposable destructive demonstration caution, and the caution of indoor type is presented at the wireless receiving management platform of far-end, can not find immediately at the scene.The invention has the beneficial effects as follows; The line data-logging personnel can be under the situation of not stepping on the tower test; Find eye-catching alarm signal from afar simply, rapidly, exactly; Shorten the investigation time of trouble spot, reduced lightning strike accident cause power failure directly and indirect economic loss, also reduced the dangerous tower work operations amount of stepping on; Simultaneously, the line data-logging personnel utilize is equipped with the corresponding external reset device that triggers element when resetting the zone, and inner dry reed switch, optoelectronic switch or contactless infrared inductor drive motor rotate the rotating disk half-turn; If not in alarm condition then rotate a circle, non-alarm condition is recovered in the prompting zone, and completion resets.This easy reset mode not only makes indicator reuse, and can check, test indicator operate as normal whether.
For reliable in action, the feature board 7 of indicator is provided with functions such as the preceding state of automatic judgement thunderbolt, amplitude limit triggering, time-delay closing in addition, and in order to reduce power consumption, the time-delay back is the closing motion power supply automatically.
The trigger voltage of alarm action is a definite value, and the user can be as required thus, and the current-limiting resistance size that selection is connected with inductive coil 4 is provided with the alarm range to thunderbolt intensity, to adapt to different line voltage classes of applications;
The power supply of thunderbolt warning indicator adopts solar panel 5 to add energy-storage units 6, is installed in outdoor dispense with outer connecting power, utilizes solar panel 5 power supplies and stores 6 electric energy, can guarantee motor 9 actions and the required work capacity of wireless telecommunications 8 warnings.Power consumption is minimum when being failure to actuate, and also only short time electricity consumption during the action is so even also can store required work energy under the situation at cloudy day fully on whole daytime, guaranteeing has enough electric energy to make motor action after thunder and lightning triggers.
In the time of the trigger action counting; Can make wireless communication module 8 work; Be sent to far-end wireless receiving management platform to information such as the coding of product, GIS through the wireless transmission form, can make electric administrative department in time grasp situation and position that electrical network suffers lightning impulse.
The thunderbolt warning indicator scope of application is all types of tower bar that 10～500kV circuit has grounding wire device.
Claims (3)
1. lightning stroke flashover indicator; Comprise shell (11), lightning induction coil (4), solar panel (5), energy-storage units (6), feature board (7), wireless communication module (8) and motor (9); Solar panel (5) is given feature board (7) power supply through energy-storage units (6); It is characterized in that; Lightning current is through tower bar equivalent inductance (2), stake resistance (3) the back ground connection of series connection; In the scope in tower bar equivalent inductance generation magnetic field, putting a lightning induction coil (4) interacts with equivalent inductance (2); The feature board (7) of connecting with lightning induction coil (4) receives the induced signal of lightning induction coil (4), and feature board (7) output signal drive motor (9) rotates and drives inner rotating disk (13) release alarm signal, through wireless communication module (8) signal is sent to the remote side administration platform simultaneously.
2. according to the said lightning stroke flashover indicator of claim 1; It is characterized in that; Said shell (11) is inlaid with transparent form (14); Forms have inner rotating disk (13) at the back, have half zone to scribble the prompting color on the turntable surface, and there is positioning key (12) the rotating disk two edges to confirm the rotating disk position of rotation.
3. according to the said lightning stroke flashover indicator of claim 1, it is characterized in that said feature board (7) is provided with non-contacting sensor, can adopt dry reed switch, optoelectronic switch or contactless infrared switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104454438A CN102495323A (en) | 2011-12-28 | 2011-12-28 | Lightning flashover indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104454438A CN102495323A (en) | 2011-12-28 | 2011-12-28 | Lightning flashover indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102495323A true CN102495323A (en) | 2012-06-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104454438A Pending CN102495323A (en) | 2011-12-28 | 2011-12-28 | Lightning flashover indicator |
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| CN (1) | CN102495323A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104967092A (en) * | 2015-07-07 | 2015-10-07 | 安徽宜留电子科技有限公司 | Thunderstorm electric shock networked electricity cutting-off device |
| CN109473942A (en) * | 2018-12-26 | 2019-03-15 | 南京紫峰电力设备有限公司 | Belt discharge counts the fixed interval (FI) over-voltage protector uploaded with fault alarm function |
| CN110412376A (en) * | 2019-07-29 | 2019-11-05 | 云南晨鸣电器有限公司 | A kind of energy-efficient electrical power distribution switches cabinet of convenient environment friendly |
| CN111024998A (en) * | 2019-12-27 | 2020-04-17 | 安徽乾坤电力工程有限公司 | Lightning stroke alarm device for electric power iron tower |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101149400A (en) * | 2007-11-05 | 2008-03-26 | 湖北省电力试验研究院 | Transmission line lightning stroke on-line monitoring system |
| CN101592691A (en) * | 2008-05-30 | 2009-12-02 | 王巨丰 | Transmission line thunderbolt, counterattack arbiter |
-
2011
- 2011-12-28 CN CN2011104454438A patent/CN102495323A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101149400A (en) * | 2007-11-05 | 2008-03-26 | 湖北省电力试验研究院 | Transmission line lightning stroke on-line monitoring system |
| CN101592691A (en) * | 2008-05-30 | 2009-12-02 | 王巨丰 | Transmission line thunderbolt, counterattack arbiter |
Non-Patent Citations (2)
| Title |
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| 程养春 等: "特高压输电线路雷击闪络电流的测量", 《高电压技术》 * |
| 范晓科: "输电线路雷击闪络电流测量的研究", 《中国优秀硕士学位论文全文数据库》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104967092A (en) * | 2015-07-07 | 2015-10-07 | 安徽宜留电子科技有限公司 | Thunderstorm electric shock networked electricity cutting-off device |
| CN109473942A (en) * | 2018-12-26 | 2019-03-15 | 南京紫峰电力设备有限公司 | Belt discharge counts the fixed interval (FI) over-voltage protector uploaded with fault alarm function |
| CN110412376A (en) * | 2019-07-29 | 2019-11-05 | 云南晨鸣电器有限公司 | A kind of energy-efficient electrical power distribution switches cabinet of convenient environment friendly |
| CN111024998A (en) * | 2019-12-27 | 2020-04-17 | 安徽乾坤电力工程有限公司 | Lightning stroke alarm device for electric power iron tower |
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Application publication date: 20120613 |