CN104849563A - Remote intelligent test device for loop resistance - Google Patents
Remote intelligent test device for loop resistance Download PDFInfo
- Publication number
- CN104849563A CN104849563A CN201510223636.7A CN201510223636A CN104849563A CN 104849563 A CN104849563 A CN 104849563A CN 201510223636 A CN201510223636 A CN 201510223636A CN 104849563 A CN104849563 A CN 104849563A
- Authority
- CN
- China
- Prior art keywords
- microprocessor
- model
- sample module
- equipment
- module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The present invention discloses a remote intelligent test device for loop resistance, which comprises a microprocessor, an A/D conversion module, a current sampling module, a voltage sampling module, a current source, a wireless communication module, a mobile terminal, a display, a memory and a printer. According to the technical scheme of the invention, the communication of the mobile terminal is realized by means of a wireless network. In this way, testers can send test data to related equipment or people whenever and wherever possible. Especially when the device is applied to the emergent repairing operation of equipment, the condition, the state and other information of malfunction equipment can be reported to superior leaders at the first time. Through the comprehensive analysis on data in all departments, faults can be quickly and effectively eliminated. In this way, not only the on-site working efficiency of the repair test is improved, but also the labor intensity of testers is reduced. The accuracy and the reliability of test data are improved. Therefore, the power supply reliability is improved, and the safe and stable operation of power grid equipment is ensured.
Description
Technical field
The invention belongs to electric power apparatus examination maintenance technology field, relate to a kind of loop resistance long-distance intelligent proving installation.
Background technology
Substation equipment maintenance and repair maintenance crew's group job scene often needs to test transformer station's inner breaker and disconnector, and pilot project is of a great variety.The work such as maintenance repair prerun, new equipment put into operation, fault defect elimination all need to carry out experiment work to primary equipment in transformer station.Isolating switch, disconnector kind equipment are the equipment that in transformer station, quantity is maximum, are also the nucleus equipments of relation power network safety operation, and the test figure of these two kinds of equipment is related to the important evidence that equipment normally runs.Isolating switch, disconnector correlation test work, and need carry test apparatus 3-4 platform, other accessory cases 2-3, easily occur leaking band, leaving behind the problems such as Work tool during preliminary work, and operation field is put in disorder.Need after routine work site test to adopt manual mode to carry out record to many experimental results, and also will fill in typing to " the Plant maintenance quality operation control card " and " lean evaluation table " of paper format.Electric power apparatus examination tests the working link that is absolutely necessary, the accuracy of test figure and reliability are the principal elements ensureing power equipment safety stable operation, especially during the work of fault defect elimination test figure analysis and to gather be the key of increasing work efficiency, therefore can meet the use of the on-the-spot important tests project of substation equipment maintenance and repair specialty, increase work efficiency, accurate, the labour intensity that is that reduce operating personnel of warranty test data is the aims in electric power apparatus examination maintenance technology field.
Summary of the invention
Technical matters to be solved by this invention be to provide a kind of can remote testing, intelligentized, test result sharable loop resistance long-distance intelligent proving installation.
For solving the problems of the technologies described above adopted technical scheme be: a kind of loop resistance long-distance intelligent proving installation, comprises microprocessor, A/D modular converter, current sample module, voltage sample module, current source, wireless communication module and mobile terminal;
Two termination measured resistance R of described current source
x;
Described current sample module and voltage sample module are arranged on described current source and measured resistance R respectively
xon the loop formed; The output terminal of described current sample module and voltage sample module connects the respective input of described A/D modular converter respectively; The respective input of microprocessor described in the output termination of described A/D modular converter;
The COM port of described wireless communication module and described microprocessor is bi-directionally connected; Described wireless communication module and described mobile terminal wireless connections.
Further, described proving installation also comprises display; The corresponding output end of microprocessor described in the input termination of described display.
Further, described proving installation also comprises storer; The corresponding output end of microprocessor described in the input termination of described storer.
Further, described proving installation also comprises printer; The corresponding output end of microprocessor described in the input termination of described printer.
The model of described microprocessor is P89V51RD2; The model of described A/D modular converter is AD7706; The model of described current sample module is FL-2 75mV/200A; The model of described voltage sample module is LF198FE; The model of described current source is LSHL-1K-A; The model of described wireless communication module is YL-500IW; Described mobile terminal model is E110.
The invention has the beneficial effects as follows: mobile terminal of the present invention can carry out communication by employing wireless network, testing crew can send test figure to relevant device or personnel whenever and wherever possible, particularly use in the work of equipment emergency first-aid repair, the very first time situations such as the situation of faulty equipment, state can be reported leading body at a higher level, by the aggregation of data analysis of all departments, quickly and effectively by Failure elimination, ensure equipment, electrical network reliability service; The present invention not only increases the work on the spot efficiency of checking experiment, also greatly reduce the labour intensity of testing crew, improve accuracy and the reliability of test figure, especially work for emergent fault handling, for defect processing has striven for the quality time, improve power supply reliability, ensure that grid equipment safe and stable operation; The present invention makes checking experiment operation field more standardize, rationalizes after using, intellectuality, make the requirement that operation field more meets safely, carries out production strictly in line with rules and regulations, for operating personnel provides clean and tidy, comfortable operating environment, ensure that operating personnel's Wonderful Job mood and the well full state of mind, only create quality and safety that good working environment just can guarantee checking experiment work; The present invention changes maintenance teams and groups of basic unit Switch equipment experiment work pattern in the past, improves experiment work efficiency, and science is intelligent, more safe and reliable more to make the work of substation equipment maintenance and repair operation field.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present invention.
Embodiment
Embodiment is as shown in Figure 1 known, and it comprises microprocessor, A/D modular converter, current sample module, voltage sample module, current source, wireless communication module and mobile terminal;
Two termination measured resistance R of described current source
x;
Described current sample module and voltage sample module are arranged on described current source and measured resistance R respectively
xon the loop formed; The output terminal of described current sample module and voltage sample module connects the respective input of described A/D modular converter respectively; The respective input of microprocessor described in the output termination of described A/D modular converter;
The COM port of described wireless communication module and described microprocessor is bi-directionally connected; Described wireless communication module and described mobile terminal wireless connections.
Further, described proving installation also comprises display; The corresponding output end of microprocessor described in the input termination of described display.
Further, described proving installation also comprises storer; The corresponding output end of microprocessor described in the input termination of described storer.
Further, described proving installation also comprises printer; The corresponding output end of microprocessor described in the input termination of described printer.
The model of described microprocessor is P89V51RD2; The model of described A/D modular converter is AD7706; The model of described current sample module is FL-2 75mV/200A; The model of described voltage sample module is LF198FE; The model of described current source is LSHL-1K-A; The model of described wireless communication module is YL-500IW; Described mobile terminal model is E110.
The course of work of the present invention is as follows: loop resistance test philosophy also claims four-wire method measuring technology, and supply measured resistance Rx electric current by current source, the size of electric current is accurately measured by current sampling unit, and the voltage drop at Rx two ends is accurately measured by voltage sampling unit.By being changed by A/D the measurement of I, V, being transferred to central cpu data processing unit, accurately can conversing the resistance of measured resistance Rx, test result is presented in LCD MODULE.If need to print measurement data, related data can be printed with heat-sensitive type mini-printer.The data simultaneously measured also by being uploaded to intelligent control software system by data communication module in real time, carry out sorting and file to test figure.
Mobile terminal of the present invention can carry out communication by the multiple communication modes such as application phone communication network, broadband communications network, ISDN communication network, GPRS communication network, blue tooth wireless communication, WIFI wireless communication networks, testing crew can send test figure to relevant device or personnel whenever and wherever possible, particularly use in the work of equipment emergency first-aid repair, the very first time situations such as the situation of faulty equipment, state can be reported leading body at a higher level, by the aggregation of data analysis of all departments, quickly and effectively by Failure elimination, ensure equipment, electrical network reliability service; The present invention not only increases the work on the spot efficiency of checking experiment, also greatly reduce the labour intensity of testing crew, improve accuracy and the reliability of test figure, especially work for emergent fault handling, for defect processing has striven for the quality time, improve power supply reliability, ensure that grid equipment safe and stable operation; The present invention makes checking experiment operation field more standardize, rationalizes after using, intellectuality, make the requirement that operation field more meets safely, carries out production strictly in line with rules and regulations, for operating personnel provides clean and tidy, comfortable operating environment, ensure that operating personnel's Wonderful Job mood and the well full state of mind, only create quality and safety that good working environment just can guarantee checking experiment work; The present invention changes maintenance teams and groups of basic unit Switch equipment experiment work pattern in the past, improves experiment work efficiency, and science is intelligent, more safe and reliable more to make the work of substation equipment maintenance and repair operation field.
The above embodiment is only the preferred embodiments of the present invention, and and non-invention possible embodiments exhaustive.For persons skilled in the art, to any apparent change done by it under the prerequisite not deviating from the principle of the invention and spirit, all should be contemplated as falling with within claims of the present invention.
Claims (5)
1. a loop resistance long-distance intelligent proving installation, is characterized in that: comprise microprocessor, A/D modular converter, current sample module, voltage sample module, current source, wireless communication module and mobile terminal;
Two termination measured resistance R of described current source
x;
Described current sample module and voltage sample module are arranged on described current source and measured resistance R respectively
xon the loop formed; The output terminal of described current sample module and voltage sample module connects the respective input of described A/D modular converter respectively; The respective input of microprocessor described in the output termination of described A/D modular converter;
The COM port of described wireless communication module and described microprocessor is bi-directionally connected; Described wireless communication module and described mobile terminal wireless connections.
2. a kind of loop resistance long-distance intelligent proving installation according to claim 1, is characterized in that: also comprise display; The corresponding output end of microprocessor described in the input termination of described display.
3. a kind of loop resistance long-distance intelligent proving installation according to claim 2, is characterized in that: also comprise storer; The corresponding output end of microprocessor described in the input termination of described storer.
4. a kind of loop resistance long-distance intelligent proving installation according to claim 3, is characterized in that: also comprise printer; The corresponding output end of microprocessor described in the input termination of described printer.
5. a kind of loop resistance long-distance intelligent proving installation according to claim 4, is characterized in that: the model of described microprocessor is P89V51RD2; The model of described A/D modular converter is AD7706; The model of described current sample module is
FL-2 75mV/200A; The model of described voltage sample module is LF198FE; The model of described current source is
LSHL-1K-A; The model of described wireless communication module is YL-500IW; Described mobile terminal model is E110.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510223636.7A CN104849563A (en) | 2015-05-05 | 2015-05-05 | Remote intelligent test device for loop resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510223636.7A CN104849563A (en) | 2015-05-05 | 2015-05-05 | Remote intelligent test device for loop resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104849563A true CN104849563A (en) | 2015-08-19 |
Family
ID=53849353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510223636.7A Pending CN104849563A (en) | 2015-05-05 | 2015-05-05 | Remote intelligent test device for loop resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104849563A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596892A (en) * | 2018-12-20 | 2019-04-09 | 陕西意联电气设备有限公司 | A kind of combined electric switches conductive loop resistance method for fast measuring and device |
| CN110113076A (en) * | 2019-06-17 | 2019-08-09 | 王宗正 | A kind of electric current communication transmission system and its transmission method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100013492A1 (en) * | 2007-12-19 | 2010-01-21 | Kuen-Cheng Wang | Storage battery inspecting system |
| CN201508392U (en) * | 2009-07-16 | 2010-06-16 | 福建省普华电子科技有限公司 | Frequency-conversion grounding resistance measuring instrument |
| CN201569705U (en) * | 2009-11-06 | 2010-09-01 | 国电龙源电气有限公司 | Monitoring device for ground wire resistance and current of distribution transformer |
| CN202119839U (en) * | 2011-06-30 | 2012-01-18 | 甘肃机电职业技术学院 | Complete digital transformer dc resistance tester |
| CN203069672U (en) * | 2013-01-29 | 2013-07-17 | 厦门国毅科技有限公司 | Loop resistance testing system |
| CN203825093U (en) * | 2014-02-27 | 2014-09-10 | 长沙三赫兹电气科技有限公司 | Transformer ground resistance remote measurement device |
-
2015
- 2015-05-05 CN CN201510223636.7A patent/CN104849563A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100013492A1 (en) * | 2007-12-19 | 2010-01-21 | Kuen-Cheng Wang | Storage battery inspecting system |
| CN201508392U (en) * | 2009-07-16 | 2010-06-16 | 福建省普华电子科技有限公司 | Frequency-conversion grounding resistance measuring instrument |
| CN201569705U (en) * | 2009-11-06 | 2010-09-01 | 国电龙源电气有限公司 | Monitoring device for ground wire resistance and current of distribution transformer |
| CN202119839U (en) * | 2011-06-30 | 2012-01-18 | 甘肃机电职业技术学院 | Complete digital transformer dc resistance tester |
| CN203069672U (en) * | 2013-01-29 | 2013-07-17 | 厦门国毅科技有限公司 | Loop resistance testing system |
| CN203825093U (en) * | 2014-02-27 | 2014-09-10 | 长沙三赫兹电气科技有限公司 | Transformer ground resistance remote measurement device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596892A (en) * | 2018-12-20 | 2019-04-09 | 陕西意联电气设备有限公司 | A kind of combined electric switches conductive loop resistance method for fast measuring and device |
| CN110113076A (en) * | 2019-06-17 | 2019-08-09 | 王宗正 | A kind of electric current communication transmission system and its transmission method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204758776U (en) | Switchgear composite characteristic remote intelligent testing arrangement | |
| CN102788921B (en) | Detection method of function and performance of power distribution automation terminal device | |
| CN101281229B (en) | Power distribution network distribution circuit fault location system | |
| CN104849656A (en) | Remote intelligent test device for overall characteristics of switching equipment | |
| CN104931872A (en) | Switchgear remote intelligent test method | |
| CN104849591B (en) | A kind of power distribution automation integration test detection means | |
| CN104330730A (en) | Contactor connecting and breaking test monitoring protection device and operation mode thereof | |
| CN104849563A (en) | Remote intelligent test device for loop resistance | |
| CN114006632A (en) | Test method and system for ground electronic unit LEU | |
| CN104849657B (en) | A kind of switching characteristic long-distance intelligent test device | |
| CN111257645A (en) | Device and method for testing direct current resistance of auxiliary contact of high-voltage and low-voltage circuit breakers | |
| CN106908684A (en) | A kind of metal oxide arrester live detection Multi point measuring apparatus | |
| CN105006891A (en) | On-line visual remote control terminal and method used for transformer station background upgrading | |
| CN204705685U (en) | A kind of string mends analog quantity channel accuracy measuring device | |
| CN205139323U (en) | Distant examination testing system of intelligent substation relay protection | |
| CN107346004A (en) | A kind of signal lamp failure detection means based on voltage effective value | |
| CN210867721U (en) | Device for detecting faults of communication module of metering terminal | |
| CN109598996B (en) | Load cutting training system for distribution transformer area | |
| CN207301205U (en) | A kind of intelligent station prepared auto restart drive aid | |
| CN102998542B (en) | A kind of movable-type intelligent high-voltage testing system | |
| CN104898004A (en) | Series compensation analog quantity channel precision measuring device and method | |
| CN105021908A (en) | Intelligent high voltage test system | |
| CN109857092A (en) | MPU unit tries measurement equipment and its detection method | |
| CN204256108U (en) | Vehicle wiring High-Voltage Insulation pick-up unit | |
| CN204256107U (en) | Wire harness High-Voltage Insulation pick-up unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150819 |