CN102928679B - Pole tower lightning monitoring method and lightning monitoring system - Google Patents
Pole tower lightning monitoring method and lightning monitoring system Download PDFInfo
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- CN102928679B CN102928679B CN201210453840.4A CN201210453840A CN102928679B CN 102928679 B CN102928679 B CN 102928679B CN 201210453840 A CN201210453840 A CN 201210453840A CN 102928679 B CN102928679 B CN 102928679B
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Abstract
The invention belongs to the field of monitoring electric power and particularly relates to a pole tower lightning monitoring method and a lightning monitoring system. The pole tower lightning monitoring method and a lightning monitoring system can judge lightning properties. The pole tower lightning monitoring method includes that lightning signals are respectively collected from A, B,C three phrase wires in an electricity transmission line and a ground loop and transmitted to a terminal. The lightning signals comprise a time of lightning occurrence and an amplitude value of a lightning current. According to lines which all received lightning signals respectively belong to, the terminal receives the lightning signals and obtains a message containing all lines which all lightning signals belong to, the time of lightning occurrence and the amplitude value of the lightning current by combining and transmits the message to a server. The server receives the message and judges the properties of the lightning according to all lines which all lightning signals belong to, the time of lightning occurrence and the amplitude value of the lightning current of the message. The lightning monitoring system comprises four collecting devices, the terminal and the server.
Description
Technical field
The present invention relates to power monitoring field, relate in particular to shaft tower lightning monitoring method and system.
Background technology
Transmission line of electricity is generally all longer, and every one-level shaft tower that is provided with separated by a distance, gets up transmission line of electricity built by shaft tower.Under thunderstorm weather, shaft tower often can cause damage in various degree because be struck by lightning, thereby can cause the consequences such as line tripping, has influence on people's normal life, also brings economic loss to society; Therefore,, in order to ensure the normal work of transmission line of electricity, support personnel need to check each shaft tower, to find in time fault and to solve.The situation of generally by shaft tower lightning monitoring system, shaft tower being struck by lightning at present, is carried out wireless monitor.
Traditional shaft tower lightning monitoring system, comprises lighting current sensor, wireless communication module and server; Lighting current sensor is arranged on one-level shaft tower, and in the time there is thunderbolt in the region at lighting current sensor place, lighting current sensor collects lightning waveform signal, and this lightning waveform signal is sent to server; Server can be according to the lightning waveform signal receiving, and draws the regional extent that thunderbolt occurs; And then support personnel can check the shaft towers at different levels in this regional extent, to investigate out the shaft tower being struck by lightning, this shaft tower is carried out to maintenance process.
But, traditional shaft tower lightning monitoring system, server, according to the lightning waveform signal receiving, can only analyze the regional extent that thunderbolt occurs, and then in this regional extent, investigates out the particular location of the shaft tower being struck by lightning; But cannot judge the character of thunderbolt, for example this thunderbolt is direct lightning strike, around shocking etc., if support personnel need to know the character of thunderbolt, can only go to thunderbolt scene to check, the situation of being struck by lightning by the observation scene of being struck by lightning is judged the character of thunderbolt, lost labor and time, comparatively inconvenience.
Summary of the invention
The present invention proposes shaft tower lightning monitoring method and system, can judge the character of thunderbolt.
In order to achieve the above object, technical scheme of the present invention is achieved in that
Shaft tower lightning monitoring method, comprising:
Gather respectively the thunder and lightning signal on A in transmission line of electricity, B, C three-phase conducting wire and ground loop and transfer to terminating machine, this thunder and lightning signal comprises the amplitude of thunderbolt time of origin and lightning current;
Terminating machine receives described thunder and lightning signal, the circuit belonging to separately according to all thunder and lightning signals that receive, and combination obtains the message of the amplitude that comprises all thunder and lightning signal ownership circuits, thunderbolt time of origin and lightning current, and is sent to server;
Server receives described message, and according to the amplitude of all thunder and lightning signal ownership circuits, thunderbolt time of origin and lightning current described in message, judges the character of thunderbolt.
Preferably, after the described thunder and lightning signal gathering respectively on A in transmission line of electricity, B, C three-phase conducting wire and ground loop, described transfer to terminating machine before, also comprise: obtain the direction of current of described lightning current, and according to the transmission frequency of thunder and lightning signal described in this orientation determination; With the described transmission frequency of determining, described thunder and lightning signal is transferred to terminating machine;
After described terminating machine receives described thunder and lightning signal, and combination obtain message before, further comprise: according to the transmission frequency of described thunder and lightning signal, identify the direction of current of described lightning current;
Described combination obtains the message of the amplitude that comprises all thunder and lightning signal ownership circuits, thunderbolt time of origin and lightning current, and be sent to server, further comprise: combination obtains comprising all thunder and lightning signal ownership circuits, thunderbolt time of origin and the amplitude of lightning current and the message of direction of current, and is sent to server;
Described according to the amplitude of all thunder and lightning signal ownership circuits, thunderbolt time of origin and lightning current described in message, judge the character of thunderbolt, further comprise: according to amplitude and the direction of current of all thunder and lightning signal ownership circuits, thunderbolt time of origin, lightning current described in message, judge the character of thunderbolt.
Preferably, described transmission, comprising: the described thunder and lightning signal collecting is converted to light signal, and by optical fiber by this optical signal transmission to terminating machine.
Preferably, described combination obtains comprising all thunder and lightning signal ownership circuits, thunderbolt time of origin, the amplitude of lightning current and the message of direction of current, and is sent to server, comprising:
Combination obtains comprising all thunder and lightning signal ownership circuits, thunderbolt time of origin, the amplitude of lightning current and the message of direction of current, and described message is stored;
The reading command that reception server sends;
Extract the described message of storage and be sent to server.
Preferably, described combination obtains comprising all thunder and lightning signal ownership circuits, thunderbolt time of origin, the amplitude of lightning current and the message of direction of current, and is sent to server, comprising:
Combination obtains comprising all thunder and lightning signal ownership circuits, thunderbolt time of origin, the amplitude of lightning current and the message of direction of current, and described message is stored;
At interval of Preset Time, extract the described message of storage and be sent to server.
Preferably, the method further comprises:
Gather the resistance of stake resistance and be sent to server.
The present invention also provides shaft tower lightning monitoring system, comprising: four harvesters, terminating machine, server;
Described four harvesters, for gathering respectively the thunder and lightning signal on transmission line of electricity A, B, C three-phase conducting wire and ground loop and transferring to terminating machine, this thunder and lightning signal comprises the amplitude of thunderbolt time of origin and lightning current;
Described terminating machine, for receiving described thunder and lightning signal, the circuit belonging to separately according to all thunder and lightning signals that receive, combination obtains the message of the amplitude that comprises all thunder and lightning signal ownership circuits, thunderbolt time of origin and lightning current, and is sent to described server;
Described server, the described message sending for receiving described terminating machine, and according to the amplitude of all thunder and lightning signal ownership circuits, thunderbolt time of origin and lightning current described in message, judge the character of thunderbolt.
Preferably,
Described four harvesters include: acquisition module, for gathering respectively the thunder and lightning signal on transmission line of electricity A, B, C three-phase conducting wire and ground loop; Transport module, for transferring to terminating machine by described thunder and lightning signal;
Described terminating machine comprises: receiver module, for receiving described thunder and lightning signal; Message module, for the circuit belonging to separately according to all thunder and lightning signals that receive, the message of the amplitude of time and lightning current when combination obtains comprising all thunder and lightning signal ownership circuits, thunderbolt generation; Sending module, for being sent to described server by described message.
Preferably, described four harvesters all further comprise: direction of current module, and for obtaining the direction of described lightning current, and according to the transmission frequency of thunder and lightning signal described in this orientation determination;
Described transport module, described thunder and lightning signal is transferred to terminating machine by the described transmission frequency that is further used for determining;
Described terminating machine also comprises: direction of current identification module, for according to the transmission frequency of the described thunder and lightning signal receiving, identify the direction of current of described lightning current;
Described message module, is further used for combination and obtains comprising all thunder and lightning signal ownership circuits, thunderbolt time of origin, the amplitude of lightning current and the message of direction of current;
Described server, is further used for, according to amplitude and the direction of current of all thunder and lightning signal ownership circuits, thunderbolt time of origin, lightning current described in message, judging the character of thunderbolt.
Preferably, described four harvesters are lighting current sensor, and four lighting current sensors are arranged on respectively on cross arm of tower corresponding on the position of A, B, C three-phase conducting wire and the tower leg of connection ground wire.
Compared with prior art, shaft tower lightning monitoring method and system provided by the invention, four harvesters gather respectively the thunder and lightning signal on A in transmission line of electricity, B, C three-phase conducting wire and ground loop, and the thunder and lightning signal collecting comprises the amplitude of thunderbolt time of origin and lightning current; The thunder and lightning signal collecting is transferred to respectively terminating machine by four harvesters, and then the amplitude of the terminating machine circuit, thunderbolt time of origin and the lightning current that belong to separately according to all thunder and lightning signals of receiving, combination obtains the message of the amplitude that comprises all thunder and lightning signal ownership circuits, thunderbolt time of origin and lightning current, and is sent to server; Thereby server, after receiving message, can, according to the amplitude of all thunder and lightning signal ownership circuits, thunderbolt time of origin and lightning current in message, be judged the character of the thunderbolt of a certain moment generation; For example, according to thunderbolt time of origin, the thunderbolt character in a certain moment is judged, in the time only comprising ground loop in message, illustrate that lightning conducter is hit this moment, thunderbolt character is direct lightning strike; In the time comprising A phase conductor and ground loop in message, illustrate that A phase conductor is hit this moment, thunderbolt character is A phase around shocking; In the time comprising C phase conductor and ground loop in message, illustrate that C phase conductor is hit this moment, thunderbolt character is C phase around shocking.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The process flow diagram of a kind of shaft tower lightning monitoring method that Fig. 1 provides for the embodiment of the present invention one;
Fig. 2 is the schematic diagram of shaft tower mounting structure in the embodiment of the present invention two;
The process flow diagram of the another kind of shaft tower lightning monitoring method that Fig. 3 provides for the embodiment of the present invention two;
The module map of a kind of shaft tower lightning monitoring system that Fig. 4 provides for the embodiment of the present invention three;
The module map of the another kind of shaft tower lightning monitoring system that Fig. 5 provides for the embodiment of the present invention four.
Embodiment
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment mono-
The embodiment of the present invention one provides a kind of shaft tower lightning monitoring method, and referring to Fig. 1, the method comprises:
Step S101: gather respectively the thunder and lightning signal on A in transmission line of electricity, B, C three-phase conducting wire and ground loop and transfer to terminating machine, this thunder and lightning signal comprises the amplitude of thunderbolt time of origin and lightning current;
Wherein, A, B, C three-phase conducting wire interval are horizontal, are suspended on cross arm of tower respectively by insulator, and built on stilts above A, B, C three-phase conducting wire have a lightning conducter; Ground loop is the tower leg that connects ground wire;
Step S102: terminating machine receives described thunder and lightning signal, the circuit belonging to separately according to all thunder and lightning signals that receive, combination obtains the message of the amplitude that comprises all thunder and lightning signal ownership circuits, thunderbolt time of origin and lightning current, and is sent to server;
Step S103: server receives described message, and according to the amplitude of all thunder and lightning signal ownership circuits, thunderbolt time of origin and lightning current described in message, judge the character of thunderbolt.
The shaft tower lightning monitoring method that the embodiment of the present invention one provides, can gather respectively the thunder and lightning signal on A in transmission line of electricity, B, C three-phase conducting wire and ground loop, and the thunder and lightning signal collecting comprises the amplitude of thunderbolt time of origin and lightning current; And then the thunder and lightning signal collecting is transferred to respectively to terminating machine, and then the amplitude of the terminating machine circuit, thunderbolt time of origin and the lightning current that belong to separately according to all thunder and lightning signals of receiving, combination obtains the message of the amplitude that comprises all thunder and lightning signal ownership circuits, thunderbolt time of origin and lightning current, and is sent to server; Thereby, server after receiving message, can be when in message, all thunder and lightning signals ownership circuits, thunderbolt occur the amplitude of time and lightning current, judge the character of the thunderbolt that a certain moment occurs; For example, according to thunderbolt time of origin, the thunderbolt character in a certain moment is judged, in the time only comprising ground loop in message, illustrate that lightning conducter is hit this moment, thunderbolt character is direct lightning strike; In the time comprising A phase conductor and ground loop in message, illustrate that A phase conductor is hit this moment, thunderbolt character is A phase around shocking; In the time comprising C phase conductor and ground loop in message, illustrate that C phase conductor is hit this moment, thunderbolt character is C phase around shocking.
The shaft tower lightning monitoring method that above-described embodiment one provides, the amplitude of time and lightning current when terminating machine combines the message obtaining and comprised circuit, thunderbolt that all thunder and lightning signals belong to separately and occur, and then server is receiving after the message of terminating machine transmission, according to the amplitude of circuit, thunderbolt time of origin and lightning current that in message, all thunder and lightning signals belong to separately, judge the character of a certain moment thunderbolt; In general, the amplitude of circuit, thunderbolt time of origin and the lightning current only belonging to separately according to all thunder and lightning signals, can be easy to judge direct lightning strike or around shocking, for the relative difficult of distinguishing of counterattack thunder; Certainly, in theory can be according to the interval time of adjacent twice lightning strike signals on a certain circuit and the amplitude of lightning current (if the amplitude of for example lightning current be less, generally there will not be the situation of strikeing back thunder), judge and on this circuit, whether be subject to strikeing back thunder, but this acquisition precision to thunder and lightning time of origin is had relatively high expectations, implement comparatively difficulty;
In order to realize better strikeing back distinguishing of thunder, after gathering thunder and lightning signal, need further judge the direction of current of lightning current, easily pick out the situation of counterattack thunder according to this direction of current; Particularly, provide a preferred embodiment below and set forth the observation process of introducing direction of current, refer to embodiment bis-.
Embodiment bis-
The embodiment of the present invention two provides another kind of shaft tower lightning monitoring method, referring to Fig. 2, be provided with four lighting current sensors, the first lighting current sensor 01 is arranged on position corresponding with A phase conductor 02 on cross arm of tower, the second lighting current sensor 03 is arranged on position corresponding with B phase conductor 04 on cross arm of tower, the 3rd lighting current sensor 05 is arranged on position corresponding with C phase conductor 06 on cross arm of tower, and the 4th lighting current sensor 07 is arranged on ground loop 08(and is namely connected with the tower leg of ground wire) position; Wherein, A, B, C three-phase conducting wire are to be all suspended on steel tower cross-arm by insulator 09; In the time that the insulator on A phase conductor is punctured by thunder and lightning, the first lighting current sensor and the 4th lighting current sensor collect thunder and lightning signal; In the time that the insulator on C phase conductor is punctured by thunder and lightning, the 3rd lighting current sensor and the 4th lighting current sensor collect thunder and lightning signal; Lightning conducter 10 is positioned at the top of A, B, C three-phase conducting wire, lies across and makes somebody a mere figurehead on shaft tower, and in the time that lightning conducter is hit by thunder and lightning, the 4th lighting current sensor collects thunder and lightning signal; Terminating machine 11 is arranged on cross arm of tower, is provided with five interfaces, connects four lighting current sensors respectively by four interfaces wherein; And terminating machine is arranged in metal waterproof case 12;
Referring to Fig. 3, the method comprises:
Step 301: four lighting current sensors gather respectively the thunder and lightning signal on A in transmission line of electricity, B, C three-phase conducting wire and ground loop, this thunder and lightning signal comprises the amplitude of thunderbolt time of origin and lightning current;
Wherein, terminating machine is provided with five interfaces (number of ports also can be more, to connect multiple external equipments), and four lighting current sensors are connected to respectively four interfaces of terminating machine by optical fiber;
Step 302: obtain the direction of current of lightning current, and according to the transmission frequency of thunder and lightning signal described in this orientation determination;
Wherein, lightning current is made to following explanation: taking A phase conductor as example, in the time that the insulator of suspension A phase conductor is punctured by thunder and lightning, on steel tower cross-arm, lightning current is flow through in the position of corresponding A phase conductor; Correspondingly, the first lighting current sensor distributes part lightning current, and obtains the direction of current of lightning current;
Step 303: the thunder and lightning signal collecting is converted to light signal;
Step 304: with the transmission frequency determined by optical fiber by optical signal transmission to the terminating machine in terminating machine;
Step 305: terminating machine receiving optical signals;
Step 306: according to the transmission frequency of described light signal, the direction of current of identification lightning current;
Particularly, on terminating machine, for the direction of current of lightning current, be provided with the port of two kinds of frequency ranges; And then terminating machine is after receiving light signal, is specifically received by the port of which frequency range according to this light signal, identifies the direction of current of this lightning current;
Step 307: the circuit belonging to separately according to direction of current and all thunder and lightning signals that receive, combination obtains comprising all thunder and lightning signals ownership circuits, thunderbolt time of origin, the amplitude of lightning current and the message of direction of current;
Step 308: described message is stored;
Step 309: the reading command that reception server sends;
Step 310: extract the described message of storage and be sent to server;
Wherein, step 308-step 310 can also realize in the following manner: described message is stored; At interval of Preset Time, extract the described message of storage and be sent to server;
Certainly, also can, after combination obtains message, be sent to immediately server, not store; But combination obtains just immediately storing after message, can prevent because be again struck by lightning and obliterated data, also can prevent that under thunderbolt environment, sending unsuccessful situation occurs;
And terminating machine is not to continue to send message to server, but just sends after the reading command that receives server transmission, can save like this electric weight that terminating machine consumes;
Step 311: server receives message, and according to amplitude and the direction of current of all thunder and lightning signal ownership circuits, thunderbolt time of origin, lightning current described in message, judge the character of thunderbolt;
Step 312: server is stored in the character of each moment thunderbolt in database, checks in the later stage or calls for support personnel;
For example, suppose in the time that the insulator of a circuit of suspension is struck by lightning, if when the direction of current of lightning current is positive dirction, in database, storage, to should circuit being I, when direction of current is negative direction, be stored should circuit being-I in database; If when hanging the insulator of a circuit and being struck by lightning, in database storage to should circuit be 0;
Accordingly, provide the several situation of thunderbolt character below, refer to table one, table two and table three; A, B, C represent respectively ABC three-phase conducting wire, and D represents ground loop;
Table one: the situation of direct lightning strike
| A | B | C | D |
| 0 | 0 | 0 | I |
Table two: the situation of around shocking
The situation of the shielding of A phase and the shielding of C phase has been shown in table two; Do not have in principle the situation of B phase shielding, because B phase conductor is between A, C phase conductor, thunderbolt generally can not walked around lightning conducter, A phase conductor and C phase conductor and get on B phase conductor;
Table three: the situation of counterattack thunder
Wherein, the situation of counterattack thunder, that thunder and lightning is in via ground loop (namely connecting the tower leg of the ground wire) grounded screen of releasing time, because the stake resistance in grounded screen is larger, thunder and lightning can not be released away quickly, and oppositely again returning via ground loop, and then any phase or heterogeneous that may reflux in ABC three-phase conducting wire; While refluxing ground loop and A, B, C three-phase conducting wire, the direction of current of the lightning current that the lighting current sensor of relevant position collects is negative direction;
As shown in Table 3, general of the lighting current sensor that B phase conductor is corresponding is distinguishing that B uses the in the situation that of strikeing back thunder mutually, therefore consider the object of saving equipment, in practical application, also can omit the lighting current sensor that B phase conductor is corresponding, that is to say three lighting current sensors of corresponding A, C phase conductor and ground loop respectively only need to be set;
Below taking A phase around shocking as example, in conjunction with Fig. 2, illustrate thunder and lightning after A phase conductor the is struck by lightning path of releasing; Particularly, after hanging the insulator of A phase conductor and being struck by lightning, insulator is by the over-voltage breakdown of moment, and then the position of the special cross-arm of iron corresponding to A phase conductor flows through lightning current, thereby the first lighting current sensor collects thunder and lightning signal; Meanwhile, lightning current flows into steel tower via metal shell 12, and along the tower leg access grounded screen that is connected with ground wire, and then thunder and lightning is released in the earth; Because the earth is with the electric charge of the opposite polarity of sufficient amount, thus just the charging neutrality of thunder and lightning is fallen in moment, to realize lightning protection effect;
In the present embodiment, also possess following function:
Referring to Fig. 2, ground loop 08 place is also provided with resistance meter 13, this resistance meter 13 is connected with terminating machine 11, this resistance meter can carry out wireless collection to the resistance of stake resistance, and the resistance of the stake resistance collecting is sent to terminating machine, be sent to server by terminating machine again, thereby whether the support personnel of server end can be suitable for according to the anti-lightning strike equipment on the mutation analysis shaft tower of stake resistance resistance, to make timely adjustment and maintenance; That is to say, the method further comprises:
Gather the resistance of stake resistance and be sent to server.
In the present embodiment, terminating machine, after combination obtains message, also can send to support personnel's mobile phone, knows in real time thunder and lightning situation for support personnel; Equally, the resistance information of collection stake resistance also can send to support personnel's mobile phone.
The shaft tower lightning monitoring method that the embodiment of the present invention two provides, be provided with corresponding A respectively, B, four lighting current sensors of C three-phase conducting wire and ground loop, and then work as A, B, when C three-phase conducting wire or ground loop are struck by lightning, can collect respectively A, B, thunder and lightning signal on C three-phase conducting wire or ground loop, and then according to all thunder and lightning signals that receive, by the circuit of these thunder and lightning signal ownership, thunder and lightning time of origin, the amplitude of lightning current and direction of current combination obtain message, and send to server, thereby the support personnel of server end can be according to the circuit of all thunder and lightning signal ownership in message, thunder and lightning time of origin, the amplitude of lightning current and direction of current, combinatory analysis draws the character of a certain moment thunder and lightning,
And, terminating machine, after combination obtains message, is not to be sent at once server, but first by packet storage, so can prevent owing to being again struck by lightning and the situation of loss of data, also can prevent that data send unsuccessful situation under thunderbolt environment;
Further, terminating machine can, after receiving the reading command of server or every Preset Time, just extract the message of storage and send to server, instead of send message to server continuously, thereby can save the power consumption of terminating machine.
Embodiment tri-
For embodiment mono-, the embodiment of the present invention three provides a kind of shaft tower lightning monitoring system, referring to Fig. 4, comprising:
Four harvesters 41, for gathering respectively the thunder and lightning signal on transmission line of electricity A, B, C three-phase conducting wire and ground loop and transferring to terminating machine 42, this thunder and lightning signal comprises the amplitude of thunderbolt time of origin and lightning current;
Terminating machine 42, be used for receiving described thunder and lightning signal, the circuit belonging to separately according to all thunder and lightning signals that receive, the message of the amplitude of time and lightning current when combination obtains comprising all thunder and lightning signal ownership circuits, thunderbolt generation, and be sent to described server 43;
Server 43, the described message sending for receiving described terminating machine 42, and the amplitude of time and lightning current while occurring according to the ownership of all thunder and lightning signals described in message circuits, thunderbolt, judge the character of thunderbolt.
Embodiment tetra-
For embodiment bis-, the embodiment of the present invention four provides a kind of preferred structure of shaft tower lightning monitoring system, four harvesters are lighting current sensor, are specially the first lighting current sensor, the second lighting current sensor, the 3rd lighting current sensor, the 4th lighting current sensor; Referring to Fig. 5, comprising: the first lighting current sensor 51, the second lighting current sensor 52, the three lighting current sensor 53, the four lighting current sensors 54, terminating machine 55, server 56; Particularly,
The first lighting current sensor 51, be connected to an interface of terminating machine by optical fiber, this first lighting current sensor 51 is arranged on the position corresponding to A phase conductor on cross arm of tower, for gathering the thunder and lightning signal on transmission line of electricity A phase conductor and transferring to terminating machine 55, this thunder and lightning signal comprises the amplitude of thunderbolt time of origin and lightning current;
This first lighting current sensor 51 specifically comprises: acquisition module 511, direction of current module 512, modular converter 513, transport module 514; Particularly,
Acquisition module 511, for gathering the thunder and lightning signal on transmission line of electricity A phase conductor;
Direction of current module 512, for obtaining the direction of described lightning current, and according to the transmission frequency of thunder and lightning signal described in this orientation determination;
Modular converter 513, for being converted to light signal by the described thunder and lightning signal collecting;
Transport module 514, for being transmitted through the fiber to terminating machine by described light signal;
The second lighting current sensor 52, be connected to an interface of terminating machine by optical fiber, this second lighting current sensor 52 is arranged on the position corresponding to B phase conductor on cross arm of tower, for gathering the thunder and lightning signal on transmission line of electricity B phase conductor and transferring to terminating machine 55, this thunder and lightning signal comprises the amplitude of thunderbolt time of origin and lightning current;
Wherein, the concrete structure of this second lighting current sensor 52 is identical with the first lighting current sensor 51;
The 3rd lighting current sensor 53, be connected to an interface of terminating machine by optical fiber, the 3rd lighting current sensor 53 is arranged on the position corresponding to C phase conductor on cross arm of tower, for gathering the thunder and lightning signal on transmission line of electricity C phase conductor and transferring to terminating machine 55, this thunder and lightning signal comprises the amplitude of thunderbolt time of origin and lightning current;
Wherein, the concrete structure of the 3rd lighting current sensor 53 is identical with the first lighting current sensor 51;
The 4th lighting current sensor 54, be connected to an interface of terminating machine by optical fiber, the 4th lighting current sensor 54 is arranged on the tower leg that connects ground wire, for gathering the thunder and lightning signal on ground loop and transferring to terminating machine 55, this thunder and lightning signal comprises the amplitude of thunderbolt time of origin and lightning current;
Wherein, the concrete structure of the 4th lighting current sensor 54 is identical with the first lighting current sensor 51;
Terminating machine 55, comprising: serial communication interface 551, direction of current identification module 552, message module 553, memory module 554, GPRS communication module 555; Particularly,
Serial communication interface 551, for receiving thunder and lightning signal;
Direction of current identification module 552, for according to the frequency of the described thunder and lightning signal receiving, identifies the direction of current of lightning current;
Message module 553, obtains comprising all thunder and lightning signal ownership circuits, thunderbolt time of origin, the amplitude of lightning current and the message of direction of current for combining;
Memory module 554, for storing described message;
GPRS communication module 555, the reading command sending for reception server;
Described terminating machine 55, also comprises: extraction module 556, for after GPRS communication module 554 receives reading command, extracts the described message of storage from memory module 555;
Described GPRS communication module, the message that is further used for extraction 5 modules 555 to extract is sent to server 56;
Server 56, comprising: GPRS communication module 561, processor 562, database 563; Particularly,
GPRS communication module 561, sets up wireless connections by wireless channel, the message sending for receiving terminal machine 55 with the GPRS communication module 555 in terminating machine 55;
Processor 562, is connected with GPRS wireless communication module by RS232 interface, for according to amplitude and the direction of current of all thunder and lightning signal ownership circuits of message, thunderbolt time of origin, lightning current, judges the character of thunderbolt;
Database 563, the character of the thunderbolt of judging for storage of processor 562, checks or calls for support personnel in the later stage.
Further, in the present embodiment, also comprise resistance meter 57, be connected to an interface of terminating machine 55, for gathering the resistance of stake resistance and being sent to server 56;
Correspondingly, the GPRS communication module 561 in server 56, is further used for receiving the resistance that resistance meter 57 sends, and is stored in database 563.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can complete by the relevant hardware of programmed instruction, aforesaid program can be stored in a computer read/write memory medium, this program, in the time carrying out, is carried out the step that comprises said method embodiment; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CDs.
Finally it should be noted that: above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (8)
1. shaft tower lightning monitoring method, is characterized in that, comprising:
Gather respectively the thunder and lightning signal on A in transmission line of electricity, B, C three-phase conducting wire and ground loop and transfer to terminating machine, this thunder and lightning signal comprises the amplitude of thunderbolt time of origin and lightning current;
Terminating machine receives described thunder and lightning signal, the circuit belonging to separately according to all thunder and lightning signals that receive, and combination obtains the message of the amplitude that comprises all thunder and lightning signal ownership circuits, thunderbolt time of origin and lightning current, and is sent to server;
Server receives described message, and according to the amplitude of all thunder and lightning signal ownership circuits, thunderbolt time of origin and lightning current described in message, judges the character of thunderbolt;
After the described thunder and lightning signal gathering respectively on A in transmission line of electricity, B, C three-phase conducting wire and ground loop, described transfer to terminating machine before, also comprise: obtain the direction of current of described lightning current, and according to the transmission frequency of thunder and lightning signal described in this orientation determination; With the described transmission frequency of determining, described thunder and lightning signal is transferred to terminating machine;
After described terminating machine receives described thunder and lightning signal, and combination obtain message before, further comprise: according to the transmission frequency of described thunder and lightning signal, identify the direction of current of described lightning current;
Described combination obtains the message of the amplitude that comprises all thunder and lightning signal ownership circuits, thunderbolt time of origin and lightning current, and be sent to server, further comprise: combination obtains comprising all thunder and lightning signal ownership circuits, thunderbolt time of origin and the amplitude of lightning current and the message of direction of current, and is sent to server;
Described according to the amplitude of all thunder and lightning signal ownership circuits, thunderbolt time of origin and lightning current described in message, judge the character of thunderbolt, further comprise: according to amplitude and the direction of current of all thunder and lightning signal ownership circuits, thunderbolt time of origin, lightning current described in message, judge the character of thunderbolt.
2. shaft tower lightning monitoring method as claimed in claim 1, is characterized in that, described combination obtains comprising all thunder and lightning signal ownership circuits, thunderbolt time of origin, the amplitude of lightning current and the message of direction of current, and is sent to server, comprising:
Combination obtains comprising all thunder and lightning signal ownership circuits, thunderbolt time of origin, the amplitude of lightning current and the message of direction of current, and described message is stored;
The reading command that reception server sends;
Extract the described message of storage and be sent to server.
3. shaft tower lightning monitoring method as claimed in claim 1, is characterized in that, described combination obtains comprising all thunder and lightning signal ownership circuits, thunderbolt time of origin, the amplitude of lightning current and the message of direction of current, and is sent to server, comprising:
Combination obtains comprising all thunder and lightning signal ownership circuits, thunderbolt time of origin, the amplitude of lightning current and the message of direction of current, and described message is stored;
At interval of Preset Time, extract the described message of storage and be sent to server.
4. the shaft tower lightning monitoring method as described in claim 1-3 any one, is characterized in that, described transmission, comprising: the described thunder and lightning signal collecting is converted to light signal, and by optical fiber by this optical signal transmission to terminating machine.
5. the shaft tower lightning monitoring method as described in claim 1-3 any one, is characterized in that, the method further comprises:
Gather the resistance of stake resistance and be sent to server.
6. shaft tower lightning monitoring system, is characterized in that, comprising: four harvesters, terminating machine, server;
Described four harvesters, for gathering respectively the thunder and lightning signal on transmission line of electricity A, B, C three-phase conducting wire and ground loop and transferring to terminating machine, this thunder and lightning signal comprises the amplitude of thunderbolt time of origin and lightning current;
Described terminating machine, for receiving described thunder and lightning signal, the circuit belonging to separately according to all thunder and lightning signals that receive, combination obtains the message of the amplitude that comprises all thunder and lightning signal ownership circuits, thunderbolt time of origin and lightning current, and is sent to described server;
Described server, the described message sending for receiving described terminating machine, and according to the amplitude of all thunder and lightning signal ownership circuits, thunderbolt time of origin and lightning current described in message, judge the character of thunderbolt;
Described four harvesters all further comprise: direction of current module, and for obtaining the direction of described lightning current, and according to the transmission frequency of thunder and lightning signal described in this orientation determination;
Described transport module, described thunder and lightning signal is transferred to terminating machine by the described transmission frequency that is further used for determining;
Described terminating machine also comprises: direction of current identification module, for according to the transmission frequency of the described thunder and lightning signal receiving, identify the direction of current of described lightning current;
Described message module, is further used for combination and obtains comprising all thunder and lightning signal ownership circuits, thunderbolt time of origin, the amplitude of lightning current and the message of direction of current;
Described server, is further used for, according to amplitude and the direction of current of all thunder and lightning signal ownership circuits, thunderbolt time of origin, lightning current described in message, judging the character of thunderbolt.
7. shaft tower lightning monitoring system as claimed in claim 6, is characterized in that,
Described four harvesters include: acquisition module, for gathering respectively the thunder and lightning signal on transmission line of electricity A, B, C three-phase conducting wire and ground loop; Transport module, for transferring to terminating machine by described thunder and lightning signal;
Described terminating machine comprises: receiver module, for receiving described thunder and lightning signal; Message module, for the circuit belonging to separately according to all thunder and lightning signals that receive, the message of the amplitude of time and lightning current when combination obtains comprising all thunder and lightning signal ownership circuits, thunderbolt generation; Sending module, for being sent to described server by described message.
8. the shaft tower lightning monitoring system as described in claim 6 or 7, it is characterized in that, described four harvesters are lighting current sensor, and four lighting current sensors are arranged on respectively on cross arm of tower corresponding on the position of A, B, C three-phase conducting wire and the tower leg of connection ground wire.
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| CN201083788Y (en) * | 2007-10-08 | 2008-07-09 | 深圳市普顺科技有限公司 | Intelligent monitor for thunder and lightning |
| CN101424712A (en) * | 2008-10-14 | 2009-05-06 | 武汉大学 | Population parameter on-line monitoring system for lightning current and work flow thereof |
| CN201497767U (en) * | 2009-06-17 | 2010-06-02 | 孙巍巍 | Lightening current measuring system |
| US8427333B2 (en) * | 2009-06-29 | 2013-04-23 | General Electric Company | System and method for detecting lightning |
| CN201489039U (en) * | 2009-08-26 | 2010-05-26 | 清华大学 | Multichannel lightning current measuring device |
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| CN102539977B (en) * | 2012-01-13 | 2014-07-30 | 深圳市中科源能达电子技术有限公司 | Thunder and lightning on-line monitoring system |
| CN102707135A (en) * | 2012-06-29 | 2012-10-03 | 重庆大学 | Lightning current online monitoring system of overhead transmission line based on differential ring |
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Effective date of registration: 20151204 Address after: 150000 Heilongjiang province Harbin Nangang District No. 181 South Road 2 Building 1 unit 3001 room Patentee after: Heilongjiang Hendan Lightning Protection Engineering Co., Ltd. Address before: 553001 Liupanshui Zijin Mountain Road, Guizhou, No. 45 Patentee before: Liupanshui Power Supply Bureau of Guizhou Power Grid Corporation Patentee before: Heilongjiang Hendan Lightning Protection Engineering Co., Ltd. |