CN207181531U - A kind of three phase capacitance electric inductance measuring-testing instrument - Google Patents
A kind of three phase capacitance electric inductance measuring-testing instrument Download PDFInfo
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- CN207181531U CN207181531U CN201720602677.1U CN201720602677U CN207181531U CN 207181531 U CN207181531 U CN 207181531U CN 201720602677 U CN201720602677 U CN 201720602677U CN 207181531 U CN207181531 U CN 207181531U
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- 238000012360 testing method Methods 0.000 title claims abstract description 20
- 238000005259 measurement Methods 0.000 claims abstract description 45
- 238000012545 processing Methods 0.000 claims abstract description 21
- 238000005070 sampling Methods 0.000 claims abstract description 13
- 238000004891 communication Methods 0.000 claims abstract description 4
- 230000005611 electricity Effects 0.000 claims description 5
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- 239000004973 liquid crystal related substance Substances 0.000 claims description 3
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- 239000003990 capacitor Substances 0.000 description 10
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Abstract
The utility model provides a kind of three phase capacitance electric inductance measuring-testing instrument, it includes shell, it is arranged on the display screen of case surface, Cao Zuoanjian, power supply output wiring terminal, sample input wires terminal, printer and power interface, and the power module of the enclosure is set, measurement module, central outer reason device, memory module and real-time clock, the measured capacitance device, connected between reactor and power supply output wiring terminal by electric power connection line, the measured capacitance device, connected between reactor and sampling input wires terminal by measuring connecting line, the central processing unit respectively with the display screen, Cao Zuoanjian, printer, measurement module communication connection.The utility model proposes a kind of three phase capacitance electric inductance measuring-testing instrument, the mode of connection is simple, simple operation, the alkalescence work load of maintainer, greatly improves the testing efficiency at scene.
Description
Technical field
The utility model belongs to electric device maintenance field, more particularly to a kind of three phase capacitance electric inductance measuring-testing instrument.
Background technology
Reactive-load compensation capacitor is the visual plant for realizing power system reactive power balance, and reactive-load compensation complete equipment is
Through being widely used in distribution network operation, reactive power compensator is in order to meet power system from motion tracking, the requirement of real-Time Compensation, no
Frequently to throw with can avoiding, cut reactive-load compensation capacitor group, and the throwing of capacitor bank, cut operation, electric current and overvoltage can be produced
Impact, causes capacitor to damage.
In order to ensure the normal operation of equipment, it is necessary to periodic detection capacitor, and capacitor is often connected with parallel way, often
It is independent measurement after capacitor is split to advise capacitance detecting mode, and the workload so operated is big, and frequently disconnects operation meeting
The damage of connecting portion is caused, leaves potential safety hazard.
Utility model content
The defects of in order to overcome prior art, the purpose of this utility model are to provide a kind of three phase capacitance inductance measurement
Instrument, using novel test method, it can complete to carry out the single-phase electricity perhaps three phase capacitance of shunt capacitor without operation of taking out stitches
Test, while the inductance of various reactors can be measured, the burden of maintainer is alleviated, improves testing efficiency.
What the utility model was realized in：
The utility model provides a kind of three phase capacitance electric inductance measuring-testing instrument, and it includes shell, is arranged on the display of case surface
Screen, Cao Zuoanjian, power supply output wiring terminal, sampling input wires terminal, printer and power interface, and set described outer
Power module, measurement module, central processing unit, memory module and real-time clock inside shell, the measured capacitance device,
Connected between reactor and power supply output wiring terminal by electric power connection line, the measured capacitance device, reactor are defeated with sampling
Enter and connected by measuring connecting line between binding post, the central processing unit respectively with the display screen, Cao Zuoanjian, printing
Machine, measurement module communication connection,
The display screen is used to show operation indicating and measurement data result,
The Cao Zuoanjian is used for the operation input for obtaining user, and transmits to the central processing unit,
The power supply output wiring terminal is used for the electric current for exporting appropriate voltage scope, for being used during measurement, its company of input
Power module is connect, it exports connection electric power connection line,
The sampling input wires terminal is used to connect the measurement connecting line, for obtaining the electric signal of measured body, its
Output connects the measurement module, and the electric signal of sampling is converted to data signal, is transferred to the center by the measurement module
Processor,
The printer is used to print measurement result,
The power interface is used to connect reference power supply line, obtains civil power electric energy, and by mains according to needed for work
Electric step-down rectifier, operating current is provided for the display screen, measurement module, central processing unit, while according to the central processing
The instruction of device provides electric current to the power supply output wiring terminal,
The memory module is Large Copacity nonvolatile memory, for storing measurement data result,
The real-time clock, date-time is provided for the central processing unit, and set according to user, during progress
Between calibrate.
Preferably, the measurement module built-in signal amplifier and high-precision high-speed a/d converter.
Preferably, the display screen is arranged to liquid crystal display of the giant-screen with backlight.
Preferably, one end of the measurement connecting line is provided with current clamp, and the current clamp is used to connect measured body.
Preferably, fuse base is additionally provided with the shell, fuse base is used for installation insurance pipe, prevents abnormal conditions
Under, high current causes to damage to equipment.
Preferably, ground wire is also included, it is described to be grounded for connecting equipment and the earth, prevent due to short circuit or tide
Equipment live caused by wet and the potential safety hazard brought.
Compared with prior art, the utility model has the advantages that：
The utility model proposes a kind of three phase capacitance electric inductance measuring-testing instrument, in the state that tested power equipment need not take out stitches
Under, the single-phase capacitance of measuring appliance shunt capacitor or the three phase capacitance of combination, while the inductance of various reactors can be measured,
And the electric current under measurement power frequency state, the mode of connection is simple, simple operation, the alkalescence work load of maintainer, significantly
Improve the testing efficiency at scene.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is structural schematic block diagram of the present utility model.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described further to structure of the present utility model,
The utility model provides a kind of three phase capacitance electric inductance measuring-testing instrument, and as shown in Figure 1 to Figure 2, it includes shell 1, set
In the display screen 2 of case surface, Cao Zuoanjian 3, power supply output wiring terminal 4, sampling input wires terminal 5, printer 6, electricity
Source interface 7, and set the power module 11 of the enclosure, measurement module 12, central processing unit 13, memory module 14,
Real-time clock 15, while connect with the power supply for being ready for use on connection measured capacitance device, reactor and power supply output wiring terminal
Wiring 8 and the measurement connecting line 9 for connecting measured capacitance device, reactor and sampling input wires terminal, the central processing
Device 13 connects with the display screen 2, Cao Zuoanjian 3, printer 6, the communication of measurement module 12,
The display screen 2 is used to show operation indicating and measurement data result,
The Cao Zuoanjian 3 is used for the operation input for obtaining user, and transmits to the central processing unit,
The power supply output wiring terminal 4 is used for the electric current for exporting appropriate voltage scope, for being used during measurement, its company of input
Power module is connect, it exports connection electric power connection line 8,
The sampling input wires terminal 9 is used to connect the measurement connecting line 9, for obtaining the electric signal of measured body,
It, which is exported, connects the measurement module 12, and the electric signal of sampling is converted to data signal, is transferred to institute by the measurement module 12
Central processing unit 13 is stated,
The printer 6 is used to print measurement result, more intuitively to observe measurement result.
The power interface 7 is used to connect reference power supply line, obtains civil power electric energy, and by mains according to needed for work
Electric step-down rectifier, it is the display screen 2, measurement module 12, the offer operating current of central processing unit 13, while according to the center
The instruction of processor 13 provides electric current to the power supply output wiring terminal 4,
The memory module 14 is Large Copacity nonvolatile memory, for storing measurement data result,
The real-time clock 15, date-time is provided for the central processing unit 13, and set according to user, entered
Row time calibration.
Preferably, the built-in signal amplifier of measurement module 12, high-precision high-speed a/d converter, while to measured body
Voltage signal and current signal are sampled, and are converted to digital data transmission to the central processing unit 13, the centre
Manage device 13 and electric capacity calculating is carried out according to built-in calculation formula, obtain measurement capacitance.
Preferably, the display screen 2 is arranged to liquid crystal display of the giant-screen with backlight, still can clearly be seen at dark
Examine.
Preferably, one end of the measurement connecting line 9 uses current clamp, for connecting measured body.
Preferably, fuse base is additionally provided with the shell 1, for installation insurance pipe, prevented under abnormal conditions, big electricity
Stream causes to damage to equipment.
Preferably, ground wire is also included, it is described to be grounded for connecting equipment and the earth, prevent due to short circuit or tide
Equipment live caused by wet and the potential safety hazard brought.
Compared with prior art, the utility model has the advantages that：
The utility model proposes a kind of three phase capacitance electric inductance measuring-testing instrument, in the state that tested power equipment need not take out stitches
Under, the single-phase capacitance of measuring appliance shunt capacitor or the three phase capacitance of combination, while the inductance of various reactors can be measured,
And the electric current under measurement power frequency state, the mode of connection is simple, simple operation, the alkalescence work load of maintainer, significantly
Improve the testing efficiency at scene.
Finally it should be noted that：Above-described each embodiment is merely to illustrate the technical solution of the utility model, rather than
It is limited；Although the utility model is described in detail with reference to the foregoing embodiments, one of ordinary skill in the art
It should be understood that：It can still modify to the technical scheme described in previous embodiment, or to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or substitutions, the essence of appropriate technical solution is departed from the utility model
The scope of each embodiment technical scheme.
Claims (6)
- A kind of 1. three phase capacitance electric inductance measuring-testing instrument, it is characterised in that：It includes shell, is arranged on display screen, the behaviour of case surface Make button, power supply output wiring terminal, sampling input wires terminal, printer and power interface, and set in the shell Power module, measurement module, central processing unit, memory module and the real-time clock in portion, the measured capacitance device, reactance Connected between device and power supply output wiring terminal by electric power connection line, the measured capacitance device, reactor and sampling input connect Between line terminals by measure connecting line connect, the central processing unit respectively with the display screen, Cao Zuoanjian, printer, Measurement module communication connection,The display screen is used to show operation indicating and measurement data result,The Cao Zuoanjian is used for the operation input for obtaining user, and transmits to the central processing unit,The power supply output wiring terminal is used for the electric current for exporting appropriate voltage scope, and for being used during measurement, it inputs connection electricity Source module, it exports connection electric power connection line,The sampling input wires terminal is used to connect the measurement connecting line, and for obtaining the electric signal of measured body, it is exported The measurement module is connected, the electric signal of sampling is converted to data signal by the measurement module, is transferred to the central processing Device,The printer is used to print measurement result,The power interface is used to connect reference power supply line, obtains civil power electric energy, and drop mains electricity according to needed for work Repoussage stream, operating current is provided for the display screen, measurement module, central processing unit, while according to the central processing unit Instruct to the power supply output wiring terminal and electric current be provided,The memory module is Large Copacity nonvolatile memory, for storing measurement data result,The real-time clock, date-time is provided for the central processing unit, and set according to user, carry out time school It is accurate.
- 2. three phase capacitance electric inductance measuring-testing instrument according to claim 1, it is characterised in that：The measurement module built-in signal is put Big device and high-precision high-speed a/d converter.
- 3. three phase capacitance electric inductance measuring-testing instrument according to claim 1, it is characterised in that：The display screen is arranged to giant-screen Liquid crystal display with backlight.
- 4. three phase capacitance electric inductance measuring-testing instrument according to claim 1, it is characterised in that：One end of the measurement connecting line is set Current clamp is equipped with, the current clamp is used to connect measured body.
- 5. three phase capacitance electric inductance measuring-testing instrument according to claim 1, it is characterised in that：Insurance is additionally provided with the shell Base, the fuse base are used for installation insurance pipe.
- 6. three phase capacitance electric inductance measuring-testing instrument according to claim 1, it is characterised in that：Also include ground wire, it is described to connect Ground wire is used to connect equipment and the earth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720602677.1U CN207181531U (en) | 2017-05-27 | 2017-05-27 | A kind of three phase capacitance electric inductance measuring-testing instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720602677.1U CN207181531U (en) | 2017-05-27 | 2017-05-27 | A kind of three phase capacitance electric inductance measuring-testing instrument |
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| Publication Number | Publication Date |
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| CN207181531U true CN207181531U (en) | 2018-04-03 |
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| CN201720602677.1U Active CN207181531U (en) | 2017-05-27 | 2017-05-27 | A kind of three phase capacitance electric inductance measuring-testing instrument |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109342826A (en) * | 2018-11-13 | 2019-02-15 | 深圳市京泉华科技股份有限公司 | Electrical sensing test-run a machine |
| CN109633278A (en) * | 2018-12-25 | 2019-04-16 | 伟宸科技（武汉）有限公司 | A kind of capacitive means |
| CN109901091A (en) * | 2019-04-03 | 2019-06-18 | 广西电网有限责任公司南宁供电局 | It is a kind of can remote diagnosis capacitor and inductor tester |
| CN115356556A (en) * | 2022-07-29 | 2022-11-18 | 广西电网有限责任公司贵港供电局 | A voltage characteristic analysis device |
-
2017
- 2017-05-27 CN CN201720602677.1U patent/CN207181531U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109342826A (en) * | 2018-11-13 | 2019-02-15 | 深圳市京泉华科技股份有限公司 | Electrical sensing test-run a machine |
| CN109342826B (en) * | 2018-11-13 | 2024-03-01 | 深圳市京泉华科技股份有限公司 | Inductance tester |
| CN109633278A (en) * | 2018-12-25 | 2019-04-16 | 伟宸科技（武汉）有限公司 | A kind of capacitive means |
| CN109633278B (en) * | 2018-12-25 | 2021-05-14 | 伟宸科技（武汉）有限公司 | Capacitor device |
| CN109901091A (en) * | 2019-04-03 | 2019-06-18 | 广西电网有限责任公司南宁供电局 | It is a kind of can remote diagnosis capacitor and inductor tester |
| CN115356556A (en) * | 2022-07-29 | 2022-11-18 | 广西电网有限责任公司贵港供电局 | A voltage characteristic analysis device |
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| GR01 | Patent grant | ||
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| CB03 | Change of inventor or designer information |
Inventor after: Li Bin Inventor after: Li Chang Inventor before: Li Bin Inventor before: Li Lv |
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| CB03 | Change of inventor or designer information |