CN203551666U - Digital display insulator resistance measuring instrument - Google Patents
Digital display insulator resistance measuring instrument Download PDFInfo
- Publication number
- CN203551666U CN203551666U CN201320704946.7U CN201320704946U CN203551666U CN 203551666 U CN203551666 U CN 203551666U CN 201320704946 U CN201320704946 U CN 201320704946U CN 203551666 U CN203551666 U CN 203551666U
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- China
- Prior art keywords
- insulator
- central processing
- processing unit
- feeler lever
- signal input
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- Expired - Lifetime
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- 239000012212 insulator Substances 0.000 title claims abstract description 63
- 238000004891 communication Methods 0.000 claims abstract description 14
- 238000012545 processing Methods 0.000 claims description 29
- 238000012360 testing method Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 abstract description 4
- 239000000523 sample Substances 0.000 abstract 4
- 238000005259 measurement Methods 0.000 description 8
- 230000015556 catabolic process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
Abstract
The utility model discloses a digital display insulator resistance measuring instrument. A high voltage signal output end of a high voltage generator of the digital display insulator resistance measuring instrument is connected with one end of a first probe rod, and the other end of the first probe rod is used for connecting with one end of an insulator to be tested. A current shunting detection end of the high voltage generator is connected with a signal input end of a data collector. One end of a second probe rod is connected with the ground, and the other end of the second probe rod is used for connecting with the other end of the insulator to be tested. A control signal input end of the high voltage generator is connected with a control signal output end of a central processor. A signal output end of the data collector is connected with a signal input end of the central processor. A display signal output end of the central processor is connected with a displayer. A data communication end of a data memory is connected with a data communication end of the central processor. The central processor also comprises a communication interface connected with a computer. An output end of a direction selection keyboard is connected with a control signal input end of the central processor. The digital display insulator resistance measuring instrument omits multiple processes of manually recording insulator detection results and improves the insulator resistance measuring efficiency.
Description
Technical field
The utility model relates to high-voltage test technical field, refers to particularly a kind of digital display insulator resistance measuring instrument.
Background technology
Insulator is a large amount of a kind of insulating elements that use in electrical network.Insulator, in carrying and work progress, may leave scar because of collision.Insulator, may be due to lightning strike accident in operational process, and makes its broken or damage; Due to mechanical load and high-tension long-term synergy, and cause deteriorated.This all constantly declines the voltage breakdown that makes insulator, when the voltage breakdown of insulator drops to, is less than while pressing along the dry lightning of face, is just called as low resistance insulator.The limit of low resistance insulator, internal breakdown voltage is 1 o'clock, is just called zero resistance insulator.When insulator chain exists low value or zero resistance insulator, in filthy environment, in superpotential, even under operating voltage effect, just easily there is flashover fault.Existing digital display insulator resistance measuring instrument consists of data acquisition unit, high pressure generator, feeler lever and display, during detection, technician climbs on electrical network insulator is detected the in the situation that of grid cut-off, and the result of insulator resistance measurement is carried out to manual record.But because the number of insulator to be measured is more, technician need to carry the distribution plan of this area's insulator to be measured, and the testing result of each insulator to be measured is manually recorded in above-mentioned distribution plan, technician is manually input to the testing result on distribution plan on the computer of control center after getting back to control center again.Whole process is more loaded down with trivial details, measures efficiency lower, and needs artificial input data repeatedly, and error rate is higher.
Utility model content
The purpose of this utility model will provide a kind of digital display insulator resistance measuring instrument exactly, does not need the process of artificial data input while utilizing this measuring instrument to carry out zonal insulator resistance measurement, has higher insulator resistance measurement efficiency.
For realizing this object, the digital display insulator resistance measuring instrument that the utility model is designed, comprise data acquisition unit, high pressure generator, the first feeler lever, the second feeler lever and display, wherein, the high-voltage signal output terminal of high pressure generator connects one end of the first feeler lever, the other end of the first feeler lever is for connecting one end of insulator to be measured, the signal input part of the current distributing test side connection data collector of high pressure generator, one end ground connection of described the second feeler lever, the other end of the second feeler lever is for connecting the other end of insulator to be measured, it is characterized in that: it also comprises central processing unit, keyboard is selected in data-carrier store and orientation, the control signal input end of high pressure generator connects the control signal output terminal of central processing unit, the signal output part of described data acquisition unit connects the signal input part of central processing unit, the display output terminal of described central processing unit connects display, the data communication end of described data-carrier store connects the data communication end of central processing unit, described central processing unit also comprises the communication interface for connecting computer, orientation selects the output terminal of keyboard to connect the control signal input end of central processing unit.
The voltage range of the high-voltage signal output terminal output of described high pressure generator is 5000～5500V.
When the utility model is used, first in data-carrier store, store the insulator distribution plan to be measured in region to be measured, insulator distribution plan to be measured shows in display, by orientation, select Keyboard Control central processing unit in distribution plan, to select to prepare the insulator of measurement, then by data acquisition unit, high pressure generator, the first feeler lever and the second feeler lever, gather the resistance value of the insulator of choosing in above-mentioned distribution plan, and the testing result of this insulator is recorded in insulator distribution plan to be measured automatically by central processing unit.Then successively the each insulator in distribution plan is taked to aforesaid operations, after last technician gets back to control center, by communication interface, the utility model is connected with computer, will upload in computer with the distribution plan of insulator resistance result to be measured.So adopt the utility model to save the repeatedly process of the testing result of manual record insulator to be measured, the testing result recording process of whole insulator to be measured is realized automatically and being controlled by central processing unit, improve insulator resistance measurement efficiency, avoided the situation of the testing result misregistration of insulator to be measured to occur.
Accompanying drawing explanation
Fig. 1 is that the utility model is used status architecture block diagram;
Wherein, keyboard is selected in 1-central processing unit, 1.1-communication interface, 2-data acquisition unit, 3-high pressure generator, the 4-the first feeler lever, the 5-the second feeler lever, 6-display, 7-data-carrier store, 8-insulator to be measured, 9-computer, 10-orientation.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Digital display insulator resistance measuring instrument shown in Fig. 1, comprise data acquisition unit 2, high pressure generator 3, the first feeler lever 4, the second feeler lever 5 and display 6, wherein, the high-voltage signal output terminal of high pressure generator 3 connects one end of the first feeler lever 4, the other end of the first feeler lever 4 is for connecting one end of insulator 8 to be measured, the signal input part of the current distributing test side connection data collector 2 of high pressure generator 3, one end ground connection of described the second feeler lever 5, the other end of the second feeler lever 5 is for connecting the other end of insulator 8 to be measured, it also comprises central processing unit 1, keyboard 10 is selected in data-carrier store 7 and orientation, the control signal input end of high pressure generator 3 connects the control signal output terminal of central processing unit 1, the signal output part of data acquisition unit 2 connects the signal input part of central processing unit 1, the display output terminal of described central processing unit 1 connects display 6, the data communication end of data-carrier store 7 connects the data communication end of central processing unit 1, described central processing unit 1 also comprises the communication interface 1.1 for connecting computer 9, orientation selects the output terminal of keyboard 10 to connect the control signal input end of central processing unit 1.Above-mentioned high pressure generator 3 shakes the high direct voltage that produces 5000～5500V by alternating current-direct current, above-mentioned data acquisition unit 2 is for gathering the current distributing value of the high pressure generator 3 being caused by insulator 8 to be measured.Orientation selects keyboard 10 for controlling central processing unit 1, at distribution plan, to select to prepare the insulator of measurement.
In technique scheme, the voltage range of the high-voltage signal output terminal output of described high pressure generator 3 is 5000～5500V.Whether the resistance that only just can accurately detect insulator resistance in this voltage range is up to standard.
When the utility model carries out insulator 8 resistances measurement to be measured, operating personnel are connected to the first feeler lever 4 and the second feeler lever 5 at the two ends of insulator 8 to be measured, the detection voltage of 5000～5500V controlled high pressure generator 3 and exports by central processing unit 1, now due to high pressure generator 3 with insulator 8 to be measured for being connected in parallel, so can produce corresponding current distributing on high pressure generator 3, data acquisition unit 2 collects above-mentioned current distributing signal from the current distributing test side of high pressure generator 3, and this current distributing signal is transferred to central processing unit 1, central processing unit 1 is by calculating the resistance of insulator 8 resistance to be measured, and show by display 6, when insulator to be measured 8 resistances that record are in 500 megohms when above, illustrate that Insulators Used is up to standard, by data-carrier store 7, the measurement result of this insulator 8 to be measured is stored in to insulator distribution plan to be measured corresponding position simultaneously.
The content that this instructions is not described in detail belongs to the known prior art of professional and technical personnel in the field.
Claims (2)
1. a digital display insulator resistance measuring instrument, comprise data acquisition unit (2), high pressure generator (3), the first feeler lever (4), the second feeler lever (5) and display (6), wherein, the high-voltage signal output terminal of high pressure generator (3) connects one end of the first feeler lever (4), the other end of the first feeler lever (4) is used for connecting one end of insulator to be measured (8), the signal input part of the current distributing test side connection data collector (2) of high pressure generator (3), one end ground connection of described the second feeler lever (5), the other end of the second feeler lever (5) is used for connecting the other end of insulator to be measured (8), it is characterized in that: it also comprises central processing unit (1), keyboard (10) is selected in data-carrier store (7) and orientation, the control signal input end of high pressure generator (3) connects the control signal output terminal of central processing unit (1), the signal output part of described data acquisition unit (2) connects the signal input part of central processing unit (1), the display output terminal of described central processing unit (1) connects display (6), the data communication end of described data-carrier store (7) connects the data communication end of central processing unit (1), described central processing unit (1) also comprises the communication interface (1.1) for connecting computer (9), orientation selects the output terminal of keyboard (10) to connect the control signal input end of central processing unit (1).
2. digital display insulator resistance measuring instrument according to claim 1, is characterized in that: the voltage range of the high-voltage signal output terminal output of described high pressure generator (3) is 5000～5500V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320704946.7U CN203551666U (en) | 2013-11-08 | 2013-11-08 | Digital display insulator resistance measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320704946.7U CN203551666U (en) | 2013-11-08 | 2013-11-08 | Digital display insulator resistance measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203551666U true CN203551666U (en) | 2014-04-16 |
Family
ID=50469763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320704946.7U Expired - Lifetime CN203551666U (en) | 2013-11-08 | 2013-11-08 | Digital display insulator resistance measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203551666U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105093073A (en) * | 2014-05-23 | 2015-11-25 | 国网山西省电力公司电力科学研究院 | Method for testing potential to ground of manually wound insulation of generator |
-
2013
- 2013-11-08 CN CN201320704946.7U patent/CN203551666U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105093073A (en) * | 2014-05-23 | 2015-11-25 | 国网山西省电力公司电力科学研究院 | Method for testing potential to ground of manually wound insulation of generator |
| CN105093073B (en) * | 2014-05-23 | 2017-08-29 | 国网山西省电力公司电力科学研究院 | A kind of method of testing of generator manually wound insulation above earth potential |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140416 |
|
| CX01 | Expiry of patent term |