CN102879632A - Solar wireless lightning stroke discharge counter - Google Patents
Solar wireless lightning stroke discharge counter Download PDFInfo
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- CN102879632A CN102879632A CN2012104035180A CN201210403518A CN102879632A CN 102879632 A CN102879632 A CN 102879632A CN 2012104035180 A CN2012104035180 A CN 2012104035180A CN 201210403518 A CN201210403518 A CN 201210403518A CN 102879632 A CN102879632 A CN 102879632A
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Abstract
The invention provides a solar wireless lightning stroke discharge counter for lightning arresters. The solar wireless lightning stroke discharge counter comprises a solar battery unit, a hollow coil type current sensor, a signal processing unit and a wireless transceiving unit which are sequentially connected, wherein the solar battery unit provides a working power supply; the hollow coil type current sensor converts lightning stroke discharge current into pulse signals and outputs the pulse signals to the signal processing unit; the signal processing unit processes the pulse signals to obtain lightning stroke times, records lightning stroke happening time and transmits the lightning stroke times and the happening time to the wireless transceiving unit; and the wireless transceiving unit transmits the lightning stroke times and the happening time through an antenna and is used for a remote computer provided with a wireless transceiving unit for display, record and processing. The solar wireless lightning stroke discharge counter is unlimited in count values and through-flow capacity, action current lower limit can be adjusted by hollow coil turns, and a grounding mode of the lightning arresters is unchanged.
Description
Technical field
The present invention relates to the lightning discharge counter, particularly relate to and adopt solar powered and lightning arrester lightning discharge counter communication.
Background technology
Lightning arrester is the important device of protection power equipment, and when lightning strikes, lightning current enters the earth by lightning arrester, thereby the protection power equipment is avoided damaging.A situation arises and the lightning arrester working condition in order to grasp thunderbolt, need to count the lightning discharge frequency by lightning arrester, and time of origin is carried out record, and this is the important evidence of power system fault analysis.Along with the development of electric system, counter for lightning arrester is proposed requirements at the higher level, mainly comprise: require the discharge capacity of counter large, namely guarantee to be not less than the discharge capacity of lightning arrester.Require the lower limit action current of counter adjustable, namely according to requirement of engineering, counter just moves during greater than a certain value at the lightning discharge electric current.The requirement count value is unrestricted, the time that the record lightning discharge occurs in counting.Require counter can be operated in high-pressure side, can be with the enumeration data teletransmission.Owing to be operated in high-pressure side, namely can not use ac power supply.Enumeration data can be aggregated on the computing machine.
Existing technical scheme generally is by an electric capacity and nonlinear loop coil discharge, and driving mechanical formula counter is realized the counting to the lightning discharge number of times, and this mechanical counter is connected in the arrester ground loop and measures.
Above-mentioned technical scheme, because counter is connected in the arrester ground loop, the discharge capacity of counter must be greater than the discharge capacity of lightning arrester.This scheme is had relatively high expectations to the counter element, when lightning strikes, might produce excessive electric current valve block and protective device wraparound are burnt disconnection, causes the arrester ground line to disconnect, and lightning arrester normally ground connection causes an explosion accident.Above-mentioned technical scheme, the count value of counter is generally 0-99, and surpassing 99 will return 0 automatically.Can not record the thunderbolt time of origin.And operating personnel will arrive observational record before the counter, can not be in time and accurately grasp thunder and lightning a situation arises and the lightning arrester working condition, and when thundery sky, artificial scene is observed in the open larger danger.
Prior art discloses a kind of electricity discharigng counter for arrester (Chinese patent: CN2376681), be made of inductive probe, rectification circuit, bleeder circuit, interface circuit, counter.The suitable inductance of its inductive probe is pressed close to the arrester ground line and can be detected lightning arrester discharge electric current number of times, but the inductance type probe is subjected to ambient electromagnetic field to affect misoperation easily.This scheme can't be transferred to a distant place with the discharge current number of times.
Summary of the invention
In order to solve the problem that exists in the technique scheme, the invention provides a kind of solar energy radio lightning discharge counter.
A kind of solar energy radio lightning discharge counter comprises: the solar battery cell that connects successively, tubular wire ring type current sensor, signal processing unit, wireless transmit/receive units.
Described solar battery cell is converted to power storage in battery with sun power, is used for described wireless lightning discharge counter works power supply.
Described air core coil sensor is enclosed within on the arrester ground line, is used for being converted to the thunderbolt output of pulse signal to described signal processing unit by the lightning current that lightning arrester enters the earth.
Described signal processing unit is used for described thunderbolt pulse signal is processed, and obtains number of lightning strokes and time of origin data, and delivers to described wireless transmit/receive units.
Described wireless transmit/receive units is used for number of lightning strokes and time of origin are sent by antenna, is equipped with Computer display, record and the processing of wireless transmit/receive units for a distant place.
Compared with prior art, technical scheme of the present invention, provide working power by solar battery cell, cross the discharge current that lightning arrester enters the earth by the air core coil induced flow that is enclosed within on the ground wire, and be converted into the thunderbolt pulse signal, signal processing unit is processed the thunderbolt pulse signal and is obtained number of lightning strokes and thunderbolt time of origin, and the wireless transmit/receive units data wireless that will be struck by lightning is sent to the radio receiver that is connected with computing machine, stores on computers, shows or process.
The beneficial effect of solar energy radio lightning discharge counter of the present invention is: solar energy radio lightning discharge technique device of the present invention, provide working power by solar battery cell, and do not use AC power, also need not change battery; Solar energy radio lightning discharge technique device of the present invention, wireless transmission thunderbolt information, data gather automatically into computing machine.Avoid the heavy work of artificial field observation, avoid the danger of artificial field observation; Solar energy radio lightning discharge counter of the present invention carries out current detecting by the air core coil that is enclosed within on the arrester ground line, is not connected in the lightning arrester loop, and the earthing mode of lightning arrester without impact, is not subjected to the restriction of through-current capability; Solar energy radio lightning discharge counter of the present invention, it is unrestricted to detect the lightning discharge number of times, records simultaneously the lightning discharge time of origin.
Description of drawings
Below in conjunction with drawings and Examples technical scheme of the present invention is done detailed description.
Fig. 1 is the structural representation of solar energy radio lightning discharge counter of the present invention;
Fig. 2 is the structural representation of the solar battery cell among the embodiment;
Fig. 3 is the structural representation of the tubular wire ring type current sensor among the embodiment;
Fig. 4 is the structural representation of the air core coil among the embodiment.
Fig. 5 is the signal processing unit structural representation among the embodiment;
Fig. 6 is the signal processing flow figure among the embodiment;
Fig. 7 is the structural representation of the wireless transmit/receive units among the embodiment.
Embodiment
See also Fig. 1, Fig. 1 is solar energy radio lightning discharge counter structure synoptic diagram of the present invention, comprises the solar battery cell that connects successively, tubular wire ring type current sensor, signal processing unit, wireless transmit/receive units; Its principle of work is:
Solar battery cell provides working power, tubular wire ring type sensor sleeve is worked as lightning strikes on the arrester ground line, discharge current enters ground by lightning arrester and ground wire, tubular wire ring type sensor is converted to pulse signal with this lightning current, exports signal processing unit to.The discharge current lower limit that detects is determined by the air core coil number of turn; The signal processing unit pulse signals is processed, and obtains number of lightning strokes, records simultaneously time of origin, delivers to wireless transmit/receive units again; Wireless transmit/receive units sends number of lightning strokes and time of origin by antenna, be equipped with Computer display, record and the processing of wireless transmit/receive units for a distant place.
For more clear technology of the present invention, do more detailed the elaboration below in conjunction with accompanying drawing and preferred embodiment.
See also Fig. 2, Fig. 2 is the structural representation of the solar battery cell of present embodiment.
Preferably, adopt solar panels by battery protection module battery to be charged, rechargeable battery is powered to counter.
See also Fig. 3, Fig. 3 is the structural representation of the tubular wire ring type current sensor of present embodiment.
Preferably, adopt tubular wire ring type current sensor measurement lightning discharge electric current.
For the air core coil sensor, preferred, comprising: air core coil and discharge current processing module.
Described discharge process module, preferred, consisted of by integrating circuit and two groups of photoelectrical couplers, the lightning discharge current conversion that air core coil is responded to is pulse signal, exports signal processing unit to.
Preferably, integrating circuit is converted to voltage wave with the lightning current induced signal.Two groups of photoelectrical couplers respectively will be just, the consequent pole voltage wave is converted to square wave, and realize the isolation of air core coil and subsequent conditioning circuit.
See also Fig. 4, Fig. 4 is the structural representation of air core coil.
Described air core coil is enclosed in the arrester ground line wherein, and when the arrester ground line had discharge current to pass through, air core coil had sensor current signal output.According to electromagnetic laws, air core coil is not responded to the electric current in not being enclosed in, so very strong antijamming capability is arranged.
Preferably, this air core coil adopts sandwich construction, comprises cavity 401, insulation course 402, wire winding layer 403, insulation course 404, metal screen layer 405.On the inner ring of metal screen layer porose 406.This structure had both guaranteed that the detection of the inner electric current that surrounds was had again higher antijamming capability.
See also Fig. 5 and Fig. 6, Fig. 5 is the structural representation of the signal processing unit of present embodiment, and Fig. 6 is the signal processing software process flow diagram of present embodiment.
For described signal processing unit, preferred, comprising: one-chip computer module and software.
Described one-chip computer module and software, input the pulse signal of tubular wire ring type current sensor output by the pin of single-chip microcomputer, the pulse number that calculating is received calculates the time receive pulse, and exports the pin that above data communication device is crossed single-chip microcomputer to wireless transmit/receive units.
See also Fig. 7, Fig. 7 is the structural representation of the wireless transmit/receive units of present embodiment.
Preferably, described wireless transmit/receive units comprises: serial port, radio receiving transmitting module, antenna.
Preferably, described radio receiving transmitting module sends data by antenna again by the data of serial port reception one-chip computer module, and the computing machine that has been equipped with similar radio receiving transmitting module can show, store data in the distance and further process.
Above-described embodiment of the present invention does not consist of the restriction to protection domain of the present invention.Any modification of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within the claim scope of the present invention.
Claims (6)
1. a solar energy radio lightning discharge counter is characterized in that, comprising: the solar battery cell, tubular wire ring type current sensor, signal processing unit, the wireless transmit/receive units that connect successively;
Described solar battery cell is converted to power storage in battery with sun power, is used for described wireless lightning discharge counter works power supply; Described air core coil sensor is enclosed within on the arrester ground line, is used for being converted to the thunderbolt output of pulse signal to described signal processing unit by the lightning current that lightning arrester enters the earth; Described signal processing unit is used for described thunderbolt pulse signal is processed, and obtains number of lightning strokes and time of origin data, and delivers to described wireless transmit/receive units; Described wireless transmit/receive units is used for number of lightning strokes and time of origin are sent by antenna, is equipped with Computer display, record and the processing of wireless transmit/receive units for a distant place.
2. solar energy radio lightning discharge counter according to claim 1 is characterized in that described solar battery cell comprises: solar panels, cell charge protection module and rechargeable battery;
Described solar panels are converted to electric energy with sun power; Described cell charge protection module, the protection battery is avoided overcharging; Described rechargeable battery is described solar energy radio lightning discharge counter power supply.
3. solar energy radio lightning discharge counter according to claim 2 is characterized in that, described tubular wire ring type sensor comprises: air core coil;
Described air core coil adopts sandwich construction, comprises cavity, insulation course 1, wire winding layer, insulation course 2, metal screen layer; Described air core coil is enclosed in the arrester ground line wherein, and when the arrester ground line had discharge current to pass through, air core coil had sensor current signal output, and faradic size is directly proportional with coil turn.
4. solar energy radio lightning discharge counter according to claim 3 is characterized in that, described tubular wire ring type current sensor also comprises: the discharge current processing module is comprised of integrating circuit and two groups of photoelectrical couplers;
Described integrating circuit, the lightning discharge current conversion that air core coil is responded to is pulse signal, exports described signal processing unit to; Described two groups of photoelectrical couplers respectively will be just, the consequent pole voltage wave is converted to square wave, and realize the isolation of air core coil and subsequent conditioning circuit.
5. solar energy radio lightning discharge counter according to claim 4 is characterized in that described signal processing unit comprises: one-chip computer module and software;
Described one-chip computer module and software, input the pulse signal of tubular wire ring type current sensor output by the pin of single-chip microcomputer, the pulse number that calculating is received calculates the time receive pulse, and exports the pin that above data communication device is crossed single-chip microcomputer to described wireless transmit/receive units.
6. solar energy radio lightning discharge counter according to claim 5 is characterized in that described wireless transmit/receive units comprises: serial port, radio receiving transmitting module, antenna;
Described radio receiving transmitting module receives the data of described one-chip computer module by serial port, sends data by antenna again, and the computing machine that has been equipped with similar radio receiving transmitting module can show, store data in the distance and further processing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104035180A CN102879632A (en) | 2012-10-22 | 2012-10-22 | Solar wireless lightning stroke discharge counter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012104035180A CN102879632A (en) | 2012-10-22 | 2012-10-22 | Solar wireless lightning stroke discharge counter |
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| CN102879632A true CN102879632A (en) | 2013-01-16 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104635025A (en) * | 2015-02-12 | 2015-05-20 | 南方电网科学研究院有限责任公司 | Discharge counter and discharge counting method for arrester |
| CN108169545A (en) * | 2018-02-27 | 2018-06-15 | 南方电网科学研究院有限责任公司 | Discharge counting circuit and discharge counter |
| CN109557360A (en) * | 2018-11-23 | 2019-04-02 | 国网湖南省电力有限公司 | A kind of 10KV distribution line lightning counting device |
| CN109975602A (en) * | 2019-04-24 | 2019-07-05 | 何平 | A kind of wireless remote counter for pre-arcing formula lightning rod |
| 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 |
| CN113419127A (en) * | 2021-06-23 | 2021-09-21 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Lightning arrester state monitoring method, device, equipment and storage medium |
-
2012
- 2012-10-22 CN CN2012104035180A patent/CN102879632A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104635025A (en) * | 2015-02-12 | 2015-05-20 | 南方电网科学研究院有限责任公司 | Discharge counter and discharge counting method for arrester |
| CN108169545A (en) * | 2018-02-27 | 2018-06-15 | 南方电网科学研究院有限责任公司 | Discharge counting circuit and discharge counter |
| CN109557360A (en) * | 2018-11-23 | 2019-04-02 | 国网湖南省电力有限公司 | A kind of 10KV distribution line lightning counting device |
| CN109975602A (en) * | 2019-04-24 | 2019-07-05 | 何平 | A kind of wireless remote counter for pre-arcing formula lightning rod |
| CN109975602B (en) * | 2019-04-24 | 2024-05-14 | 何平 | Wireless remote counter for pre-discharge lightning rod |
| 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 |
| CN113419127A (en) * | 2021-06-23 | 2021-09-21 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Lightning arrester state monitoring method, device, equipment and storage medium |
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Application publication date: 20130116 |