CN202956465U - Power distribution line fault detection device - Google Patents
Power distribution line fault detection device Download PDFInfo
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- CN202956465U CN202956465U CN2012203613333U CN201220361333U CN202956465U CN 202956465 U CN202956465 U CN 202956465U CN 2012203613333 U CN2012203613333 U CN 2012203613333U CN 201220361333 U CN201220361333 U CN 201220361333U CN 202956465 U CN202956465 U CN 202956465U
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- 238000001514 detection method Methods 0.000 title abstract description 11
- 238000004891 communication Methods 0.000 claims abstract description 53
- 230000006854 communication Effects 0.000 claims abstract description 53
- 238000009413 insulation Methods 0.000 claims description 23
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 19
- 238000012360 testing method Methods 0.000 claims description 19
- 230000006855 networking Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 14
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000010295 mobile communication Methods 0.000 description 3
- 238000012790 confirmation Methods 0.000 description 2
- 230000004807 localization Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
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- 239000011780 sodium chloride Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model relates to a power distribution line fault detection device which includes a current transformer which collects a line current signal of a power distribution line. The power distribution line fault detection device is characterized in that the device also includes an electronic controller; the signal acquisition terminal of the electronic controller is connected with the signal output terminal of the current transformer; the device also includes a GPRS communication module, and the receiving terminal of the GPRS communication module is connected with the control order output terminal of the electronic controller; the power supply terminal of the GPRS communication module is connected with a relay control circuit which is controlled by the electronic controller; and the current transformer, the electronic controller, and the GPRS communication module are arranged in a same insulating housing. The power distribution line fault detection device can timely find the fault point so as to find out the fault reason and to eliminate the fault. The power distribution line fault detection device guarantees the safe and reliable operation of the electrical network, and is high in detection precision, reliable in reliability, and low in installation and maintenance cost.
Description
Technical field
The utility model relates to the distribution line failure detection technique, and particularly a kind of distribution line failure pick-up unit, be applicable to exchange 50Hz, the three-phase power distribution system of rated voltage 10KV.
Background technology
Overhead distribution is the important component part of electric company's electrical network, and can it normally move, and directly affects the safe and reliable of electrical network.The China coast weather is throughout the year moist, and the air saline and alkaline is large, and the inclement weathers such as barber, thunderstorm and frost mist are many, thus the coastland distribution line and the controller switching equipment failure rate high.At present, in order to address the above problem, the upper circuit position finder of usually installing of electric line (A, B, C), it mainly is comprised of insulation shell, the current transformer, signal acquisition process unit, the alarm indication unit that are arranged in insulation shell, once line failure, the track walker can be by the alarm indication unit of addressing device, the localization of faults, fix a breakdown, but still there is following shortcoming in it:
1, the distribution line coverage is large, when fault occurs, the track walker need to check the addressing device on distribution lines at different levels, the ability localization of faults, its agility requires still to can not get solving, can't be fast, accurate failure judgement section, and line walking length consuming time, difficulty are large, can not process timely and effectively accident, easily cause grid loss.
2, its alarm indication unit general using physical construction realizes the state conversion, after long-term the use, easily loses efficacy, and as kept alarm condition etc. always, so its accuracy of detection is subject to very big impact, causes the installation and maintenance cost high simultaneously.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind ofly can find trouble spot as early as possible, in order to find out failure cause, eliminate the distribution line failure pick-up unit of fault, in the situation that guarantee the power grid security reliability service, accuracy of detection is high, dependable performance, the installation and maintenance cost is low.
The technical solution of the utility model is:
This distribution line failure pick-up unit, comprise current transformer, in order to gather the line current signal of distribution line, its special character is: also comprise electronic controller, the signals collecting end of described electronic controller is connected with the signal output part of described current transformer; The GPRS communication module, the receiving end of described GPRS communication module is connected with the steering order output terminal of described electronic controller, and the feeder ear of described GPRS communication module is connected with the control relay circuit of being controlled by electronic controller; Described current transformer, electronic controller, GPRS communication module are arranged in same insulation shell.
Described GPRS communication module is provided with emitting antenna, sim card slot, work Test Switchboard and pilot lamp, described work Test Switchboard has two grades of the test bits whether working position and test GPRS communication module network, and described pilot lamp confirms that by the GPRS communication module networking pilot lamp that is positioned at the sim card slot outside and the SIM card short message receiving-transmitting that is positioned at the sim card slot inboard pilot lamp forms.
Described electronic controller is provided with the toggle switch of setting specified starting current and counts, described toggle switch has 1,2, No. 3 button handsetting adjusting counts and No. 4 button handsettings adjusting starting current, each button handsetting is respectively equipped with open position and close stance, electronic controller output control signal when the line current of distribution line surpasses the counts that starts rated current and reach setting.
Described insulation shell is comprised of top cover, upper shell, lower house, bottom, the annular core of described current transformer is formed by upper semi-ring iron core and lower semi-ring iron core snapping, described upper semi-ring iron core is located in the top cover and the cavity volume between upper shell of insulation shell, described lower semi-ring iron core is located in the lower house of insulation shell, described upper shell and the center between lower house are provided with the line ball through hole of corresponding annular core, described line ball through hole both sides are respectively equipped with the line ball torsion spring, realize the compression action to distribution wire.
Described GPRS communication module and electronic controller are arranged in the cavity volume that the bottom of described insulation shell and lower house form; and the GPRS communication module is provided with shielding box outward; to guarantee that the GPRS communication module is had to shield electromagnetic interference and protective effect, improve the fault detect precision.
Interface between described top cover, upper shell, lower house, bottom is provided with gap, to facilitate the connecting portion of prying open insulation shell, completes adjustment and installation.
Be provided with stage clip and the stage clip guidepost of corresponding described upper semi-ring iron core in described top cover, so that upper semi-ring iron core is realized compressing location.
The beneficial effects of the utility model are:
1, after this pick-up unit is arranged on to overhead distribution B goes up mutually, current transformer is clamped distribution line by the line ball torsion spring, gathers line current signal, transfers to the signals collecting end of electronic controller.When upper level sectionaliser switch closes a floodgate, while having for the first time electric current to flow through this device, electronic controller is remembered to close a floodgate electricity condition, the starting relay control circuit, opening power makes the GPRS communication module network and work, electronic controller sends instruction to the GPRS communication module by its steering order output terminal simultaneously, there is the telecommunications breath to send to distribution personnel's phone number by the GSM Golbal System for Mobile Communic-ations with short message mode in combined floodgate, after being sent completely, the electronic controller closed relay, deenergization, make communication module in off position.When electronic controller collection electric current exceeds specified starting current (being fault current), electronic controller starts counting, after electronic controller completes the counts of setting, electronic controller is identified this circuit in the fault gate-dividing state, and starting relay control circuit (as being counted as once direct starting relay control circuit), switch on power, make the GPRS communication module network and work, electronic controller sends instruction to the GPRS communication module by its instruction output end simultaneously, fault separating brake information is sent to distribution personnel's phone number by the GSM Golbal System for Mobile Communic-ations with short message mode, after being sent completely, controlled the power supply that makes control relay circuit disconnect the GPRS communication module by electronic controller, the GPRS communication module is in off position.Producers grasp circuit each point combined floodgate in time electricity or fault gate-dividing state, the round-the-clock monitoring of realization to distribution system, find in time the fault section of corresponding installation site (bar load side distribution line), find out as early as possible failure cause, eliminate fault, guarantee the power grid security reliability service.
2, after the GPRS communication module of each pick-up unit is accepted the instruction of electronic controller, the information that sends is immediately accepted phone number to appointment, makes the distribution personnel accurately understand its installation site line status, has improved fault detect precision, dependable performance.
3, the annular core of the interface corresponding current mutual inductor of the upper end cover of pick-up unit insulation shell and main casing is provided with the line ball through hole, by the distribution line clamping wherein, complete installation, the installation method simple and fast, greatly improve work efficiency, reduced installation cost and maintenance cost simultaneously.
4, can be used in conjunction with sectionaliser (power distribution network on-pole switch), also can be used alone, applied widely.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the sectional view of A-A in Fig. 1;
Fig. 3 be in Fig. 2 B to view;
Fig. 4 is schematic block circuit diagram of the present utility model.
In figure: insulation shell 1, top cover 101, stage clip 101a, guidepost 101b, upper shell 102, lower house 103, bottom 104, line ball torsion spring 2, line ball through hole 3, distribution line 4, current transformer 5, annular core 501, upper semi-ring iron core 501a, lower semi-ring iron core 501b, GPRS communication module 6, sim card slot 601, work Test Switchboard 602, battery case 603, emitting antenna 604, GPRS communication module networking pilot lamp 605a, the SIM card short message receiving-transmitting is confirmed pilot lamp 605b, electronic controller 7, toggle switch 701, shielding box 8, signals collecting end 9, steering order output terminal 10, control relay circuit 11, gap 12, mobile phone terminal 13.
Embodiment
As shown in the figure, for the device of this distribution line failure detection method, comprise current transformer 5, in order to gather the line current signal of distribution line; Electronic controller 7, the signals collecting end 9 of electronic controller 7 is connected with the signal output part of current transformer 5; GPRS communication module 6, the receiving end of GPRS communication module 6 is connected with the steering order output terminal 10 of electronic controller, and the feeder ear of GPRS communication module 6 is connected with the control relay circuit 11 of being controlled by electronic controller 7; Current transformer 5, electronic controller 7, GPRS communication module 6 are arranged in same insulation shell 1.
Insulation shell 1 is comprised of top cover 101, upper shell 102, lower house 103, bottom 104 crimping, interface between top cover 101, upper shell 102, lower house 103, bottom 104 is respectively equipped with gap 12, pry open each ingredient of insulation shell to facilitate, complete adjustment and installation.The annular core 501 of current transformer 5 is formed by upper semi-ring iron core 501a and lower semi-ring iron core 501b snapping, upper semi-ring iron core 501a is located in the top cover 101 and the cavity volume between upper shell 102 of insulation shell 1, lower semi-ring iron core 501b is located in the lower house 103 of insulation shell 1, be provided with stage clip 101a and the stage clip guidepost 101b of corresponding upper semi-ring iron core 501a in top cover 101, so that upper semi-ring iron core 501a is realized compressing location.Upper shell 102 and the center between lower house 103 are provided with the line ball through hole 3 of corresponding annular core 501, and line ball through hole 3 both sides are respectively equipped with line ball torsion spring 2.In the cavity volume that the lower house 103 that electronic controller 7, GPRS communication module 6 are arranged on insulation shell 1 and bottom 104 form; and the outer shielding box 8 that is provided with of GPRS communication module 6; to guarantee that GPRS communication module 6 is had to shield electromagnetic interference and protective effect, improve the fault detect precision.
Following table is example:
Annotate:
Mean that toggle is in open position,
Mean that toggle is in close stance.
No. 4 button handsetting is responsible for controlling specified starting current, and when it, during in close stance, specified starting current is 160A, and when it, during in open position, specified starting current is 400A.
The feeder ear of GPRS communication module 6 is connected to the control relay circuit 11 of being controlled by electronic controller 7, GPRS communication module 6 is provided with emitting antenna 604, sim card slot 601, work Test Switchboard 602 and pilot lamp, work Test Switchboard 602 has two grades of the test bits whether working position and test GPRS communication module network, and pilot lamp confirms that by the GPRS communication module networking pilot lamp 605a that is positioned at sim card slot 601 outsides and the SIM card short message receiving-transmitting that is positioned at sim card slot 601 inboards pilot lamp 605b forms.
The adjustment and installation method of this pick-up unit, comprise the steps:
1, at first, write down the phone number of the SIM card of the GPRS communication module 6 that will install.
2, slotted point screwdriver is aimed to bottom and the lower house that gap 12 is pried open insulation shell 1, expose GPRS communication module 6, described SIM card is inserted in the sim card slot 601 of GPRS communication module 6, and the power-supply battery of the GPRS communication module 6 of packing in battery case 603.
3, the Test Switchboard 602 of working pushes test bit, observe GPRS communication module networking pilot lamp 605a state, pilot lamp starts to dodge for long, while becoming short sudden strain of a muscle, the GPRS communication module 6 that proof is equipped with SIM card 601 has networked, and (the following Mobile phone card of 32k networks about about 8 seconds of time, the above Mobile phone card of 64k networks about about 45 seconds of time), or make a phone call to confirm to the phone number of the SIM card of installing.
4, utilize mobile phone that " installation place on line and line status " and " specify and receive phone number " compiled respectively to note and sent in mounted SIM card, observe the SIM card short message receiving-transmitting and confirm SIM card short message receiving-transmitting confirmation pilot lamp 605b state, pilot lamp glimmers rapidly and then transfers the last Chang Liang that glimmers at a slow speed to, the confirmation SIM card is received note and has preserved, its inediting has the note of " place on line and line status are installed " to comprise that the combined floodgate of same installation place on line has electricity and fault separating brake two states, with " * " number, separate, with " # " number, finish, as " the husky Bohai Sea line of 00000S closes a floodgate for No. 114 No. 114 fault separating brake # of the husky Bohai Sea line of electric * 00000S ", 00000S is the note code, husky Bohai Sea line is installed place on line for pick-up unit No. 114.Editor has the note of " specify and receive phone number " to comprise one or more phone numbers (maximum ten), with " * " number, separate, with " # " number, finish, as " 00000C 13587654321*13887654321*13987654321# ", 00000C is also the note code, and 13587654321 cell-phone numbers such as grade can be respectively special work, produce chief, squad leader, scheduling, pipeline rider's phone number.
5, then the Test Switchboard 602 of working pushes working position, confirm preservation state, the Test Switchboard 602 of working again after surge time pushes test bit, after confirming that SIM card networks, GPRS communication module 6 is to specifying the reception phone number to send note, observe the SIM card short message receiving-transmitting and confirm pilot lamp 605b state, the pilot lamp secondary that glimmers rapidly, the proof note is sent, first is specified and receives the note that phone number just can be received " place on line and line status are installed ", may be relevant with the communication company network if can not receive note, can not receive for a long time note, can repeat above-mentioned steps, until first specifies the reception phone number to receive short message content, the Test Switchboard 602 of finally working pushes working position.
6, stir the toggle switch 701 of electronic controller 7, utilize the ON/OFF combination of four button handsettings to preset specified starting current and counts.
7, bottom 104 built and slippaged and be integrated with lower house 103.
8, slotted point screwdriver is aimed to the upper shell 102 and lower house 103 that gap 12 is pried open insulation shell 1, utilize line ball torsion spring 2 to press-fit in line ball through hole 3 to this B phase distribution line 4 corresponding to pick-up unit input note king-rod position, fasten upper shell 102 and lower house 103, make B phase distribution line 4 by the annular core 501 of current transformer 5, guarantee that this pick-up unit upper end upwards, can not be inverted, complete adjustment and installation.
This distribution line failure detection method, comprise the steps:
1, current transformer 5 is set in to the distribution line 4 B upper line current signal that gathers mutually, the signal output part of current transformer 5 is connected with the signals collecting end 9 of electronic controller 7.
2, the line current signal that the signals collecting end 9 of electronic controller 7 receives from current transformer 5, when normal line current for the first time by electronic controller 7 or when line circuit be fault current and while reaching the counts that electronic controller 7 sets, the steering order output terminal 10 of electronic controller 7 sends respectively corresponding control signal, wherein, electronic controller 7 presets specified starting current, described fault current is the line current that exceeds specified starting current, the counts that electronic controller 7 is set is the counts that line current exceeds specified starting current.
3, be built-in with GPRS communication module 6 receptions of note of " install place on line and line status " and " specify and receive phone number " from the control signal of electronic controller 7, the information that place on line and line status will be installed by the GSM Golbal System for Mobile Communic-ations sends to the mobile phone terminal 13 that is provided with appointment reception phone number, realizes the condition monitoring of 13 pairs of distribution lines of mobile phone terminal.
The B of distribution line that this device is arranged on the block switch rear on power distribution network principal piece road goes up mutually, or the B of the distribution line at the diversity switch rear of each classification circuit goes up mutually, installed position breaks down, and can send in time note to the related personnel, in order to remove as early as possible fault, power distribution network is normally moved.
Claims (7)
1. a distribution line failure pick-up unit, comprise current transformer, in order to gather the line current signal of distribution line, it is characterized in that: also comprise electronic controller, the signals collecting end of described electronic controller is connected with the signal output part of described current transformer; The GPRS communication module, the receiving end of described GPRS communication module is connected with the steering order output terminal of described electronic controller, and the feeder ear of described GPRS communication module is connected with the control relay circuit of being controlled by electronic controller; Described current transformer, electronic controller, GPRS communication module are arranged in same insulation shell.
2. distribution line failure pick-up unit according to claim 1, it is characterized in that: described GPRS communication module is provided with emitting antenna, sim card slot, work Test Switchboard and pilot lamp, described work Test Switchboard has two grades of the test bits whether working position and test GPRS communication module network, and described pilot lamp confirms that by the GPRS communication module networking pilot lamp that is positioned at the sim card slot outside and the SIM card short message receiving-transmitting that is positioned at the sim card slot inboard pilot lamp forms.
3. distribution line failure pick-up unit according to claim 1, it is characterized in that: described electronic controller is provided with the toggle switch of setting specified starting current and counts, described toggle switch has 1,2, No. 3 button handsetting adjusting counts and No. 4 button handsettings adjusting starting current, each button handsetting is respectively equipped with open position and close stance, electronic controller output control signal when the line current of distribution line surpasses the counts that starts rated current and reach setting.
4. distribution line failure pick-up unit according to claim 1, it is characterized in that: described insulation shell is comprised of top cover, upper shell, lower house, bottom, the annular core of described current transformer is formed by upper semi-ring iron core and lower semi-ring iron core snapping, described upper semi-ring iron core is located in the top cover and the cavity volume between upper shell of insulation shell, described lower semi-ring iron core is located in the lower house of insulation shell, described upper shell and the center between lower house are provided with the line ball through hole of corresponding annular core, and described line ball through hole both sides are respectively equipped with the line ball torsion spring.
5. distribution line failure pick-up unit according to claim 1 is characterized in that: described GPRS communication module and electronic controller are arranged in the bottom of described insulation shell and cavity volume that lower house forms, and the GPRS communication module is provided with shielding box outward.
6. distribution line failure pick-up unit according to claim 1, it is characterized in that: the interface between described top cover, upper shell, lower house, bottom is provided with gap.
7. distribution line failure pick-up unit according to claim 1, is characterized in that: the stage clip and the stage clip guidepost that are provided with corresponding described upper semi-ring iron core in described top cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203613333U CN202956465U (en) | 2012-07-25 | 2012-07-25 | Power distribution line fault detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203613333U CN202956465U (en) | 2012-07-25 | 2012-07-25 | Power distribution line fault detection device |
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| CN202956465U true CN202956465U (en) | 2013-05-29 |
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| CN2012203613333U Expired - Lifetime CN202956465U (en) | 2012-07-25 | 2012-07-25 | Power distribution line fault detection device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103837826A (en) * | 2014-03-18 | 2014-06-04 | 国家电网公司 | System and method for identification of faulty region of high-voltage switch operating circuit |
| CN104849624A (en) * | 2015-06-09 | 2015-08-19 | 天津智联恒信电力设备股份有限公司 | Device for detecting fault of high-voltage power transmission line |
| CN108051703A (en) * | 2017-12-10 | 2018-05-18 | 国网山东省电力公司潍坊供电公司 | Overhead transmission line tripping sound positioner |
| CN109297527A (en) * | 2018-11-02 | 2019-02-01 | 郑州海威光电科技有限公司 | A kind of cable fault detecting device |
-
2012
- 2012-07-25 CN CN2012203613333U patent/CN202956465U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103837826A (en) * | 2014-03-18 | 2014-06-04 | 国家电网公司 | System and method for identification of faulty region of high-voltage switch operating circuit |
| CN103837826B (en) * | 2014-03-18 | 2016-08-24 | 国家电网公司 | High-voltage switch gear operation circuit fault zone identification system and method |
| CN104849624A (en) * | 2015-06-09 | 2015-08-19 | 天津智联恒信电力设备股份有限公司 | Device for detecting fault of high-voltage power transmission line |
| CN108051703A (en) * | 2017-12-10 | 2018-05-18 | 国网山东省电力公司潍坊供电公司 | Overhead transmission line tripping sound positioner |
| CN109297527A (en) * | 2018-11-02 | 2019-02-01 | 郑州海威光电科技有限公司 | A kind of cable fault detecting device |
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Granted publication date: 20130529 |