CN202383280U - Detection device of power line fault indicator - Google Patents
Detection device of power line fault indicator Download PDFInfo
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- CN202383280U CN202383280U CN2011205359440U CN201120535944U CN202383280U CN 202383280 U CN202383280 U CN 202383280U CN 2011205359440 U CN2011205359440 U CN 2011205359440U CN 201120535944 U CN201120535944 U CN 201120535944U CN 202383280 U CN202383280 U CN 202383280U
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Abstract
The utility model discloses a detection device of a power line fault indicator. The detection device comprises a host unit and a voltage-boosting and current-rising unit, wherein the host unit includes a main control module, an input/output module connected with the main control module, a voltage and current power amplification module connected with the main control module, and a voltage and current transformer connected with the output of the voltage and current power amplification module, wherein the output of the voltage and current power amplification module is connected with the voltage-boosting and current-rising unit. According to the utility model, the fault indicator can be detected directly by using a shortcut key, so that the detection device not only can improve the work efficiency but also can perform various detections of the line fault indicator. Accordingly, the detection device with excellent performance and rich functions is ideal equipment for checking and testing fault indicator equipment of power automation department.
Description
Technical field
The utility model relates to a kind of pick-up unit of electric power line fault indicator.
Background technology
Line-failure indicator is a kind ofly to be installed on the overhead transmission line, on power cable and the switch cubicle bus row, to be used to indicate the device of fault current path.In case circuit is short-circuited, the track walker can show by the red alarm on the indicator, confirms fault section, branch rapidly, reaches the trouble spot.Thoroughly change blindly hunting in the past, the primitive method that segmentation is closed a floodgate and searched fault section.The short trouble indicator that domestic corporation produces is used for reference external the nineties state-of-the-art technology, adopts smart circuit, special chip, and the product of more domestic early simulation circuit, semi-conductor discrete device has higher reliability and antijamming capability.
And fault detector could indicate guilty culprit ground for the maintenance personal after need passing through strict calibrating, could in time recover the power supply of non-fault section, could practice thrift a large amount of working time minimizing power off time and power failure scope.The present domestic special line-failure indicator pick-up unit that also do not have; General the load size is come the quality of easy detection fault detector also just through the break-make of control 220V or 380V circuit, and method of testing is too simple and crude; Can only test and to move; To what the value action of indicating fault implement body, index such as the action that lasts long etc. in detail all can't be tested, and can only manual operations.
Summary of the invention
The utility model purpose is: the pick-up unit that the higher electric power line fault indicator of a kind of automaticity is provided.
The technical scheme of the utility model is: a kind of pick-up unit of electric power line fault indicator; It comprises: the main computer unit and the up-flow unit that boosts; Said main computer unit comprises main control module, the input that links to each other with main control module, output module, the voltage that links to each other with main control module, electric current power amplifier module and the voltage, the current transformer that link to each other with the output of voltage, electric current power amplifier module, and the output of wherein said voltage, current transformer links to each other with the up-flow unit that boosts.
On the basis of technique scheme, further comprise attached technical scheme:
The a pair of insulation tube that the described up-flow unit that boosts comprises checkout line circle ring and is arranged on the verification coil loop outside and sets up relatively.
Described insulation tube is the atactic copolymerized polypropene material.
The described up-flow unit that boosts is arranged in the metal shell.
The utility model advantage is:
The utility model starting up time was less than 1 second; High power sources output, response speed is fast; Support many tests simultaneously; Support ten kinds of mode schemes to set; Support to set square wave output and can set dutycycle, frequency, amplitude; Support to set sinewave output and can setpoint frequency, can set amplitude in time changing sensitivity can reach Millisecond.Can move thresholding to fault detector and accurately measure, measure fault alarm electric current and voltage minimum length in time, prevent multinomial detections such as load fluctuation false alarm detection.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further described:
Fig. 1 is the structural representation of the utility model.
Embodiment
Embodiment: with reference to shown in Figure 1, the utility model provides a kind of specific embodiment of pick-up unit of electric power line fault indicator, and it comprises: main computer unit 1 is formed with up-flow unit 2 two large divisions of boosting.Main computer unit 1 is mainly used in the source function that realizes interchange, and the up-flow unit 2 that boosts is mainly used in realizes 1000A magnetic field, and the 10000V high pressure.
Main computer unit 1 comprises main control module 10, the input that links to each other with main control module 10, output module 12,14, the voltage that links to each other with main control module 10, electric current power amplifier module 20,30 and the voltage, the current transformer 40,50 that link to each other with the output of voltage, electric current power amplifier module 20,30.Wherein the output of voltage, current transformer 40,50 links to each other with the up-flow unit 2 that boosts.
Main control module 10 is selected the processor up to 600MHz high-performance Blackfin for use, in conjunction with CPLD, and high precision D/A; Adopt the DDS Waveform Synthesis Technology, produce voltage current waveform, simulate various malfunctions; False voltage current duration etc., but the adjustable design of multistage trouble duration, simulation pole line short circuit and ground-fault condition; Support to set square wave output and can set dutycycle, frequency; Can set amplitude in time changing sensitivity can reach Millisecond.Input, output module 12,14 are keyboard and LCD display, to accomplish the man-machine conversation function.
Voltage power amplifier module 20 selects for use the high power digital power amplifier that voltage signal is carried out power amplification, makes it to reach power required when boosting.Electric current power amplifier module 30 selects for use the high power digital power amplifier that current signal is carried out power amplification, makes it electric current output greatly.
Voltage, current transformer 40,50 are used to reach the effect of protection and isolation.
The main super-large currents of accomplishing in up-flow unit 2 that boost are exported with UHV (ultra-high voltage); Because fault detector is to lean on the electromagnetic field in the induction line to move; So big electric current output such as can use at ampere-turn method, the verification coil loop 60 that promptly forms with insulated conductor or enameled wire coiling.If with output 200A retaining is example, then, make the electric current of verification coil loop 60 through 20A with verification coil encircling system 10 circles, then can simulate the electromagnetic field of 200A.
The transformer principle of boosting is adopted in high pressure output.The elementary number of turns is few, and number of secondary turns is many to reach the effect of boosting.
The cabinet of main computer unit 1 is considered in light weightly to shield again external electrical field and is disturbed, and adopts the aluminium alloy cabinet.Weight and the external radiation of electromagnetic field will be considered in 2 of the up-flow unit that boost, because fault detector moves by induction field, so shielding will be considered in the up-flow unit that boosts, in order to avoid fault detector is exerted an influence.When coupling output; Should insulate and can not shield also and will consider intensity; On verification coil loop 60, be relatively set with the output that is coupled of a pair of insulation tube 70 at last, and insulation tube 70 is preferably atactic copolymerized polypropene (PPR) pipe, not only guarantees safety but also do not influence electromagnetic field.Whole up-flow unit 2 other parts except that insulation tube of boosting all adopt metal shell to shield.
Electric current, the voltage characteristic of fault branch and non-fault branch during fault when the utility model is used for the typical short circuit of analog line, single-phase earthing, broken string, open circuit carry out functional test and Performance Evaluation to fault detector.The instrument that designs for the fault detector testing person specially.Through preserving at least 10 kinds of different testing schemes, can directly use shortcut one key operation promptly can accomplish the calibrating of fault detector.The each item that also can accomplish line-failure indicator of both can having increased work efficiency detects.
In a word, the utility model integrates superior performance and rich functions, is power automation department carries out verification, test to fault detector equipment ideal equipment.
Certainly the foregoing description only is the technical conceive and the characteristics of explanation the utility model, and its purpose is to let the people who is familiar with this technology can understand content of the utility model and enforcement according to this, can not limit the protection domain of the utility model with this.All equivalent transformation or modifications of doing according to the spirit of the utility model main technical schemes all should be encompassed within the protection domain of the utility model.
Claims (4)
1. the pick-up unit of an electric power line fault indicator; It is characterized in that it comprises: the main computer unit (1) and the up-flow unit (2) that boosts; Said main computer unit (1) comprises main control module (10), the input that links to each other with main control module (10), output module (12,14), the voltage that links to each other with main control module (10), electric current power amplifier module (20,30) and the voltage, the current transformer (40,50) that link to each other with the output of voltage, electric current power amplifier module (20,30), and the output of wherein said voltage, current transformer (40,50) links to each other with the up-flow unit (2) that boosts.
2. the pick-up unit of electric power line fault indicator according to claim 1 is characterized in that: a pair of insulation tube (70) that the described up-flow unit (2) that boosts comprises verification coil loop (60) and is arranged on verification coil loop (60) outside and sets up relatively.
3. the pick-up unit of electric power line fault indicator according to claim 2, it is characterized in that: described insulation tube (70) is the atactic copolymerized polypropene material.
4. the pick-up unit of electric power line fault indicator according to claim 3, it is characterized in that: the described up-flow unit (2) that boosts is arranged in the metal shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205359440U CN202383280U (en) | 2011-12-19 | 2011-12-19 | Detection device of power line fault indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205359440U CN202383280U (en) | 2011-12-19 | 2011-12-19 | Detection device of power line fault indicator |
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| Publication Number | Publication Date |
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| CN202383280U true CN202383280U (en) | 2012-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011205359440U Expired - Lifetime CN202383280U (en) | 2011-12-19 | 2011-12-19 | Detection device of power line fault indicator |
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| CN (1) | CN202383280U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102890259A (en) * | 2012-10-26 | 2013-01-23 | 广西电网公司电力科学研究院 | Line fault indicator detecting system |
| CN103529417A (en) * | 2013-10-14 | 2014-01-22 | 国家电网公司 | Automatic detection system for fault indicators for distributing line |
| CN103760442A (en) * | 2014-01-23 | 2014-04-30 | 航天科工深圳（集团）有限公司 | Fault indicator probe and automatic calibration method thereof |
| CN104090252A (en) * | 2014-06-19 | 2014-10-08 | 航天科工深圳（集团）有限公司 | Comprehensive detecting system and method for cable type fault indicator |
| CN104111433A (en) * | 2014-07-16 | 2014-10-22 | 云南电力试验研究院（集团）有限公司电力研究院 | Device for detecting motion performances of earth fault indicator |
| CN105137280A (en) * | 2015-08-01 | 2015-12-09 | 国家电网公司 | Fault warning device suitable for 10 kilovolt distribution line |
| CN109375129A (en) * | 2018-10-22 | 2019-02-22 | 国网重庆市电力公司电力科学研究院 | A kind of site environment analogy method and its tester based on voltage and current decoupling |
| CN109490805A (en) * | 2018-10-15 | 2019-03-19 | 国网河北省电力有限公司石家庄供电分公司 | A kind of portable fault detector detection device |
| CN110244250A (en) * | 2019-05-09 | 2019-09-17 | 贵州电网有限责任公司 | A kind of portable fault detector test device |
-
2011
- 2011-12-19 CN CN2011205359440U patent/CN202383280U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102890259B (en) * | 2012-10-26 | 2016-02-10 | 广西电网公司电力科学研究院 | Line-failure indicator detection system |
| CN102890259A (en) * | 2012-10-26 | 2013-01-23 | 广西电网公司电力科学研究院 | Line fault indicator detecting system |
| CN103529417A (en) * | 2013-10-14 | 2014-01-22 | 国家电网公司 | Automatic detection system for fault indicators for distributing line |
| CN103529417B (en) * | 2013-10-14 | 2016-05-25 | 国家电网公司 | A kind of distribution line failure indicator automatic checkout system |
| CN103760442A (en) * | 2014-01-23 | 2014-04-30 | 航天科工深圳（集团）有限公司 | Fault indicator probe and automatic calibration method thereof |
| CN104090252A (en) * | 2014-06-19 | 2014-10-08 | 航天科工深圳（集团）有限公司 | Comprehensive detecting system and method for cable type fault indicator |
| CN104090252B (en) * | 2014-06-19 | 2017-02-15 | 航天科工深圳（集团）有限公司 | Comprehensive detecting system and method for cable type fault indicator |
| CN104111433A (en) * | 2014-07-16 | 2014-10-22 | 云南电力试验研究院（集团）有限公司电力研究院 | Device for detecting motion performances of earth fault indicator |
| CN104111433B (en) * | 2014-07-16 | 2016-09-28 | 云南电力试验研究院（集团）有限公司电力研究院 | A kind of detection device of earth-fault indicator performance |
| CN105137280A (en) * | 2015-08-01 | 2015-12-09 | 国家电网公司 | Fault warning device suitable for 10 kilovolt distribution line |
| CN109490805A (en) * | 2018-10-15 | 2019-03-19 | 国网河北省电力有限公司石家庄供电分公司 | A kind of portable fault detector detection device |
| CN109375129A (en) * | 2018-10-22 | 2019-02-22 | 国网重庆市电力公司电力科学研究院 | A kind of site environment analogy method and its tester based on voltage and current decoupling |
| CN110244250A (en) * | 2019-05-09 | 2019-09-17 | 贵州电网有限责任公司 | A kind of portable fault detector test device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120815 |