CN104935078A - Control method and control device for fault indicator in distribution network - Google Patents

Control method and control device for fault indicator in distribution network Download PDF

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Publication number
CN104935078A
CN104935078A CN201510275697.8A CN201510275697A CN104935078A CN 104935078 A CN104935078 A CN 104935078A CN 201510275697 A CN201510275697 A CN 201510275697A CN 104935078 A CN104935078 A CN 104935078A
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China
Prior art keywords
fault detector
data
probe
control
command
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CN201510275697.8A
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CN104935078B (en
Inventor
姚丽娟
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Aerospace Science and Industry Shenzhen Group Co Ltd
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Aerospace Science and Industry Shenzhen Group Co Ltd
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Abstract

Provided is a control method for a fault indicator in a distribution network. The control method includes: receiving down-sending data; determining the type identification of the down-sending data and determining remote control operation indicated by the down-sending data when the type identification is 2D; reading a remote control information object address and calculating a corresponding probe number; determining whether the calculated probe number is the preserved probe; and controlling the fault indicator corresponding to the probe to perform the remote control operation according to the sequence of presetting-confirmation-execution-confirmation when the probe number is the preserved probe. The invention also provides a corresponding control device for the fault indicator. According to the control method and the apparatus for the fault indicator, a main station sends down a remote control instruction so that a communication terminal and the fault indicator probe can be controlled in a remote manner, and convenience is brought to remote test of the probe and fault resetting.

Description

The control method of fault detector and control device in distribution network
Technical field
The present invention relates to distribution technique field, especially, relate to control method and the control device of fault detector in a kind of distribution network.
Background technology
Fault detector is by detecting distribution line electric current, and determines whether fault the device with the type broken down occurs according to certain failure criterion.Communication terminal receives remote signalling from fault indicator probe, the data such as remote measurement by wireless or optical fiber, analyzing and processing is carried out to data and by data by GPRS teletransmission to main website.Fault detector the complete sets of equipment are applicable to the place such as overhead transmission line, ring main unit.
Current fault detector does not all have distant control function, and it Remote fault indicator probe can not carry out fault involution and probe test.Due to the improvement of distribution line, fault detector has distant control function and is necessary very much.
Summary of the invention
Based on this, being necessary can not the problem of two-way communication for fault detector, provides the control method of fault detector in a kind of distribution network, and corresponding control device.
A control method for fault detector in distribution network, comprising:
Reception issues data;
Issue the type identification in data described in judgement, judge when described type identification is 2D to issue straighforward operation indicated in data;
Read remote information body address, and calculate corresponding sensor 's number according to this;
Judge whether the sensor 's number calculated is preserved probe; When this sensor 's number is the probe of preservation, controls fault detector corresponding to described probe and carry out indicated straighforward operation according to preset-confirmation-execution-confirmation.
A control device for fault detector in distribution network, comprising:
Data transmit-receive module, for receiving the data issued;
Guidance command identification module, is connected with described receiver module, for the type identification in the data that issue described in identifying, and for being straighforward operation indicated in the data that issue described in identifying during 2D at described type identification;
Remote information body address module, is connected with described receiver module, for the remote information body address in the data that issue described in reading, calculates corresponding sensor 's number according to this, and judges whether the sensor 's number calculated is preserved probe;
Probe communication module, be connected with remote information body address module with described guidance command identification module, during for being the probe preserved when the sensor 's number of described calculating, the straighforward operation of described instruction is sent to the fault detector that probe is corresponding, thus described fault detector carries out straighforward operation according to preset-confirmation-execution-confirmation;
Wherein, the straighforward operation that described probe communication module is further used for receiving fault detector confirms successful information, and is sent by described data transmit-receive module.
The control method of above-mentioned fault detector of the present invention and control device, issue guidance command long-range controlling communication terminal and fault indicator probe by main website, for remote testing probe and fault involution are provided convenience.
Accompanying drawing explanation
Fig. 1 is the flow process of the control method of fault detector in the distribution network of one embodiment of the present invention.
Fig. 2 is the structural representation of the control device of fault detector in the distribution network of one embodiment of the present invention.
Embodiment
As shown in Figure 1, it is the flow process of the control method of fault detector in the distribution network of one embodiment of the present invention.In this embodiment, the coding of data, transmission, parsing are according to DL/T 634.5101-2002 telecontrol equipment and system 5-101 part: transmission regulation (101 stipulations) is carried out; In other embodiments, also can according to DL/T 634.5104-2002 telecontrol equipment and system 5-104 part: transmission regulation (104 stipulations) is carried out.
101 stipulations to define in electric network data collection and supervisor control (SCADA) between main website and substation (remote terminal unit) carries out the frame format of transfer of data, the transmission rule of link layer, service primitive, application data structure, application data coding, application function and message format with interrogation reply system.101 stipulations are applicable to the communication between plant stand and scheduling station, and communication is carried out in a serial fashion.
The combination of the transfer function that the application layer of 104 stipulations, 101 stipulations that have been specifications and TCP/IP provide, with 101 stipulations be mainly used in serial ports unlike, 104 stipulations are mainly used in Internet Transmission.101 stipulations are substantially identical with the data that 104 stipulations are transmitted, and only distinguish to some extent on heading.The two all distinguishes signal type by type identification, and imformosome address judges information period.
By can judge the type performed for the control indicated by fault detector for the standalone command type in received data.Particularly, if standalone command type is 0, represent fault involution; If be 1, represent probe test, under normal condition, whether test probe can normally work.According to the embodiment of the present invention, the remote control implementation between distribution network and fault detector carries out remote control according to preset-confirmation-execution-confirmation.
Wherein, fault involution represents, if transmission line has short circuit or earth fault, fault indicator probe can be carried out this locality to fault and be indicated also teletransmission to communication terminal, wherein local instruction mainly comprises probe board turning and flashing light, show there is malfunction, if for removing this malfunction, remote controlled probe carries out fault involution.Probe test represents, probe receiving terminal probe test command, and a virtual short fault can be produced, and then local flashing light board turning indicates also teletransmission to communication terminal, whether the probe basic function that probe test function is mainly used in testing encapsulating is normal, and whether radio communication is normal.
According to 101 stipulations, the transmission mode of main website and plant stand end has non-equilibrium transmission and balance transmission, and 101 stipulations wherein during non-equilibrium transmission are Polling Protocol, only has main website end can stand as starting; And 101 stipulations during balance transmission mode are question and answer+circulating stipulations, it is only limitted to point-to-point or star topological structure, and main website end and substation end all can be used as and start station.
Step 102, the data issued by GPRS reception distribution main website.
According to one embodiment of the present invention, the communication terminal in fault indicator plant is communicated by GPRS with between far-end, so that the data such as remote signalling, remote measurement from fault indicator probe are sent to far-end.Further, the communication terminal in fault indicator plant also receives the data that issue of distribution line main website by GPRS.
Define several data structure in 101 stipulations, wherein the form of variable frame length structured data is as follows:
Start character (68H)
Len
Len
Start character (68H)
Link control domain
Link address (1 or 2 bytes)
Application layer data territory
Frame check and
Termination character (16H)
Wherein, frame check and be link control domain, link address, all data accumulations of application layer data and 256 modulus value; Application layer data territory is also called Application service data unit (Application Service Data Unit, ASDU), and it is defined as following form:
Type identification
Varistructure determiner
Transmission reason (1 or 2 bytes)
Application layer public address territory (1 or 2 bytes)
Imformosome address (2 or 3 bytes)
Information element
Wherein type identification, varistructure determiner, transmission reason, application layer public address are generically and collectively referred to as data cell mark; Imformosome address and information element are generically and collectively referred to as imformosome.
Step 104, judges type identification, if type identification is not 2D, then returns step 102, continues through GPRS reception and issues data.
In 101 stipulations, type identification defines the structure of follow-up object, type and form.Conventional type identification has:
Mark Definition
1 Total calling remote signalling
2 SOE item
9 Out-of-limit remote measurement
15 Electricity
21 Total calling remote measurement amount
45/46 Remote control
48 Remote regulating
100 Total calling
101 Calling electricity
103 During school
In the present embodiment, the decimal number 45 that 2D is corresponding is expressed as remote control in the definition of these 101 stipulations.
Step 106, if be judged as in step 104, type identification is 2D, be then expressed as single-point remote control, and continues to judge to transmit reason.
The transmission reason that 101 stipulations define has usually:
Transmit reason Usage
3 Abrupt information
5 Request, requested
6 Activate
7 Activation confirmation
8 Stop activating
9 Stop activation confirmation
10 Activate and stop
20 Response station is always called
21-36 Respond the 1st group and call-respond the 16th group of calling
37 Response count amount
38-41 Respond the 1st group of count number-response the 4th group of count number
Step 108, if the transmission reason judged in step 106 is 8, according to 101 stipulations, represent and stop activating, fault detector resets the remote control preset condition of probe, carries out that remote control is preset to be cancelled.
Step 110, if the transmission reason judged in step 106 is 6, according to 101 stipulations, represents and activates, then continue to judge command qualifier S/E.
According to 101 stipulations, in ASDU, command qualifier S/E is defined as remote control selection marker, and wherein 0 represents that remote control performs and performs confirmation, 1 and represents that remote control is selected and select to confirm.
Step 112, if judge in step 110, command qualifier S/E is 0, then represent that remote control performs, and continues to judge command qualifier SCS.
In 101 stipulations, when single-point remote-control type identifies, in ASDU, the command qualifier SCS of single-point remote information (SCS) is defined as remote state mark, and 0 is control point, and 1 closes for controlling.
In one embodiment, a point operation can comprise probe failure involution operation, and closing operation can comprise probe test operation.
Step 114, if judge in step 112, command qualifier SCS is 0, be then expressed as and perform a point operation, carry out the execution of remote control command.
Step 116, if judge in step 112, command qualifier SCS is 1, be then expressed as execution closing operation, carry out the execution of remote control command.
Step 118, in step 110, if judge, command qualifier S/E is 1, according to aforesaid definition, is expressed as remote control and selects and select to confirm, then represent that remote control is preset, continue to judge command qualifier SCS.
Step 120, if judge in step 118, command qualifier SCS is 0, then represent preset point of operation, preset for carrying out remote control.
Step 122, if judge in step 118, command qualifier SCS is 1, then represent preset closing operation, preset for carrying out remote control.
Step 124, reads remote information body address, and calculates corresponding sensor 's number according to this.
Particularly, imformosome address can be 2 bytes or 3 bytes, is compared by byte one by one, is mated, and determines corresponding sensor 's number.Communication between terminal and main website with imformosome address for benchmark, imformosome address can comprise remote measurement, remote signalling, remote information address, main website by the content one_to_one corresponding of imformosome address with the remote measurement of specifically popping one's head in, remote signalling, remote control, thus, should guarantee information body address unique.Each probe configuration remote information body address, if this remote information body address of accurate match is the remote information address of the probe that terminal is preserved, then carries out corresponding operating to this probe.
Step 126, judges that whether the sensor 's number that calculates is probe that communication terminal is preserved; If this sensor 's number is the probe that communication terminal is preserved, then carry out that remote control described in abovementioned steps 108,114,116,120,122 is presetly cancelled, remote control is preset accordingly and the operation such as execution, otherwise return step 102, continue through GPRS reception and issue data.
Step 128, if probe address corresponding to remote information body address that step 126 judges is preserved probe, and step 120,122 is designated as that to carry out remote control preset, then the preset activation of remote control is carried out in instruction.
Step 130, carries out the execution of remote control actions according to the straighforward operation judged, if probe preset success, corresponding probe is preset is successfully masked as ZigbeeSensor [YKnum] .setFlag|=SS_YK_FLAG, and returns the preset success of confirmation remote control.After the preset success of remote control, if communication terminal receives the remote control fill order that distribution major network issues, then judged by above-mentioned steps 112-116 and be handed down to probe remote control fill order, and resetting remote control preset condition, now probe parameter arranges as follows:
ZigbeeSensor [YKnum] .setFlag|=SS_ERR_RESET; // reset probe
ZigbeeSensor [YKnum] .setFlag|=SS_TEST; // test probe
ZigbeeSensor [YKnum] .setFlag &=~ SS_YK_FLAG; // remote control flag bit resets
After the preset success of remote control, countermand an order if communication terminal receives the remote control that distribution major network issues, then reset preset mark by above-mentioned steps 110, optimum configurations is:
ZigbeeSensor [YKnum] .setFlag &=~ SS_YK_FLAG; // remote control flag bit resets
After each straighforward operation completes and returns confirmation, the data that continuation reception issues also are carried out about judging and straighforward operation.
Should be understood that, in this embodiment, the sensor 's number of step 124-126 calculate with judge, the type identification of step 104 judges, the transmission reason of step 106 judges, the judgement of the command qualifier S/E of step 110 and step 112 and 118 the judgement of command qualifier SCS, can carry out, and the label size that need not mark for convenience of describing in the present embodiment according to it successively arrangement is carried out simultaneously.
Issue instruction type and indicated control thereof according to different, can superpose according to the priority of instruction between each step shown in Fig. 1.The difference sent instructions under foundation, only can carry out wherein part steps, and without the need to carrying out the enforcement of Overall Steps.Thus, control method of the present invention must not comprise execution in Fig. 1 described by each step, preset, presetly the operation such as cancel.
By the control method of fault detector in distribution network of the present invention, the data utilizing communication terminal to be received by GPRS are judged, perform and the preset, preset of probe is cancelled and performed, achieve the long-range control for fault detector, for remote testing probe and fault involution provide conveniently, there is very strong Practical significance.
As shown in Figure 2, in a kind of distribution network, the control device 200 of fault detector comprises data transmit-receive module 202, guidance command identification module 204, remote information body address module 206 and probe communication module 208 etc.
Data transmit-receive module 202 for receiving the data that issue of distribution main website by GPRS, and returns to main website the anti-school data that straighforward operation successfully carries out.
Particularly, data transmit-receive module 202 can carry out exchanges data between distribution main website, transmitting-receiving according to the mode described in above-mentioned steps 102.
Guidance command identification module 204 is connected with data transmit-receive module 202, whether the data that the distribution main website received for identifying data transmit-receive module 202 issues comprise guidance command, and identify when comprising guidance command and judge straighforward operation indicated in this guidance command.
Particularly, the type identification of the data that guidance command identification module 204 receives for identification data transceiver module 202, the identification of the type mark can be carried out according to the process described in abovementioned steps 104.
According to one embodiment of the present invention, guidance command identification module 204 also in identification with when judging that aforementioned type is designated 2D, identifies transmission reason, command qualifier S/E, the command qualifier SCS of this guidance command further.Wherein, as optional execution mode, can carry out according to the mode of the step 106 of the control method of fault detector in aforesaid Fig. 1 for the Discern and judge transmitting reason, Discern and judge for command qualifier S/E can carry out according to the mode of the step 110 shown in earlier figures 1, and the Discern and judge for command qualifier SCS can carry out with reference to the mode of the step 112 shown in earlier figures 1.
Remote information body address module 206 is connected with data transmit-receive module 202, for reading in the data that receive at data transmit-receive module 202 and identifying remote information body address, and calculate corresponding sensor 's number, judge that whether the sensor 's number that calculates is probe that communication terminal is preserved.As the execution mode of a kind of example of the present invention, remote information body address module 206 reads remote information body address, judges the probe that imformosome address is corresponding, can carry out according to the mode of the step 124 in aforesaid Fig. 1, step 126, compare by byte one by one, mate, determine corresponding sensor 's number.
Probe communication module 208 is connected with data transmit-receive module 202, guidance command identification module 204, remote information body address module 206, remote manipulation instruction for being identified by guidance command identification module 204 is sent to the probe corresponding to the determined imformosome address of remote information body address module 206, and the successful confirmation message of straighforward operation that receiving transducer returns, this confirmation message is returned to distribution main website by data transmit-receive module 202.
Further, when guidance command identification module 204 identify transmit reason be 8 time, represent and stop activating, then communication module 208 of popping one's head in sends the preset cancel an order of the remote control probe corresponding to the determined imformosome address of remote information body address module 206, carries out that remote control is preset to be cancelled.
Operate according to remote control command at the probe of correspondence, and after illustratively returning operation acknowledgement according to abovementioned steps 130 by data transmit-receive module 202, data transmit-receive module 202 carries out data receiver next time, and carries out identification and the operation of guidance command next time by the guidance command identification module 204 of this fault detector control device, remote information body address module 206, probe communication module 208.
Should be understood that, the identification of each side guidance command that the guidance command identification module 204 in the control device of this fault detector carries out, can be undertaken by a unit, also can be carried out aforesaid type identification respectively by multiple corresponding unit, be transmitted the Discern and judge of reason, command qualifier S/E, command qualifier SCS respectively.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this specification is recorded.
The above embodiment only have expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.

Claims (10)

1. the control method of fault detector in distribution network, is characterized in that, comprising:
Reception issues data;
Issue the type identification in data described in judgement, judge when described type identification is 2D to issue straighforward operation indicated in data;
Read remote information body address, and calculate corresponding sensor 's number according to this;
Judge whether the sensor 's number calculated is preserved probe; When this sensor 's number is the probe of preservation, controls fault detector corresponding to described probe and carry out indicated straighforward operation according to preset-confirmation-execution-confirmation.
2. the control method of fault detector according to claim 1, is characterized in that, judges that issuing straighforward operation indicated in data comprises:
The command qualifier SCS in data is issued described in judgement;
Control described fault detector when described command qualifier SCS is 0 and carry out a point operation; Control described fault detector when described command qualifier SCS is 1 and carry out closing operation.
3. the control method of fault detector according to claim 2, is characterized in that: described command qualifier SCS instruction sheet dot command type, controls described fault detector when described standalone command type is 0 and carry out fault involution; Control described fault detector when described standalone command type is 1 and carry out probe test.
4. the control method of fault detector according to claim 1, is characterized in that, judges that issuing straighforward operation indicated in data comprises:
The transmission reason in data is issued described in judgement;
Control described fault detector when described transmission reason is 8 and carry out preset cancelling; Control described fault detector carry out preset when described transmission reason is 6 or performs.
5. the control method of fault detector according to claim 1, is characterized in that, judges that issuing straighforward operation indicated in data comprises:
The command qualifier S/E in data is issued described in judgement;
Control described fault detector when described command qualifier S/E is 0 and carry out remote control execution; Control described fault detector to carry out remote control preset when described command qualifier S/E is 1.
6. the control method of fault detector according to claim 5, is characterized in that, comprises further: after the preset success of described remote control execution/remote control, confirms the preset success of remote control execution/remote control.
7. the control device of fault detector in distribution network, is characterized in that, comprising:
Data transmit-receive module, for receiving the data issued;
Guidance command identification module, is connected with described receiver module, for the type identification in the data that issue described in identifying, and for being straighforward operation indicated in the data that issue described in identifying during 2D at described type identification;
Remote information body address module, is connected with described receiver module, for the remote information body address in the data that issue described in reading, calculates corresponding sensor 's number according to this, and judges whether the sensor 's number calculated is preserved probe;
Probe communication module, be connected with remote information body address module with described guidance command identification module, during for being the probe preserved when the sensor 's number of described calculating, the straighforward operation of described instruction is sent to the fault detector that probe is corresponding, thus described fault detector carries out straighforward operation according to preset-confirmation-execution-confirmation;
Wherein, the straighforward operation that described probe communication module is further used for receiving fault detector confirms successful information, and is sent by described data transmit-receive module.
8. the control device of fault detector according to claim 7, it is characterized in that, described guidance command identification module is further used for the command qualifier SCS issued described in identification in data, wherein controls described fault detector when described command qualifier SCS is 0 and carries out a point operation; Control described fault detector when described command qualifier SCS is 1 and carry out closing operation.
9. the control device of fault detector according to claim 7, is characterized in that, described guidance command identification module is further used for the transmission reason issued described in identification in data; Wherein control described fault detector when described transmission reason is 8 and carry out preset cancelling; Control described fault detector carry out preset when described transmission reason is 6 or performs.
10. the control device of fault detector according to claim 7, is characterized in that, described guidance command identification module is further used for the command qualifier S/E issued described in identification in data; Wherein control described fault detector when described command qualifier S/E is 0 and carry out remote control execution; Control described fault detector to carry out remote control preset when described command qualifier S/E is 1.
CN201510275697.8A 2015-05-26 2015-05-26 Control method and control device for fault indicator in distribution network Active CN104935078B (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080010528A1 (en) * 2006-05-19 2008-01-10 Park Douglas A Faulted circuit indicator monitoring device with wireless memory monitor
CN102255388A (en) * 2011-07-18 2011-11-23 航天科工深圳(集团)有限公司 Distributed distribution network terminal device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080010528A1 (en) * 2006-05-19 2008-01-10 Park Douglas A Faulted circuit indicator monitoring device with wireless memory monitor
CN102255388A (en) * 2011-07-18 2011-11-23 航天科工深圳(集团)有限公司 Distributed distribution network terminal device

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