CN202471898U - Detecting device capable of reducing partial discharge on-line detection time consumption - Google Patents
Detecting device capable of reducing partial discharge on-line detection time consumption Download PDFInfo
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- CN202471898U CN202471898U CN2012200956952U CN201220095695U CN202471898U CN 202471898 U CN202471898 U CN 202471898U CN 2012200956952 U CN2012200956952 U CN 2012200956952U CN 201220095695 U CN201220095695 U CN 201220095695U CN 202471898 U CN202471898 U CN 202471898U
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Abstract
The utility model relates to the technical field of signal detection, in particular to a detecting device. A detecting device capable of reducing partial discharge on-line detection time consumption comprises a micro-processer system, partial discharge detecting inductors and a display device. The micro-processer system is connected with at least two partial discharge detecting inductors through signal lines respectively, and the length of the signal lines is 10m-12m. By adoption of the technical scheme, the detecting device capable of reducing partial discharge on-line detection time consumption effectively reduces detection time consumption when used for detecting partial discharge in a converting station, and detecting efficiency is high.
Description
Technical field
The utility model relates to the signal detection technique field, is specifically related to a kind of pick-up unit.
Background technology
Along with the raising of power equipment electric pressure, power department has proposed harsh more requirement to the power equipment operational reliability.Shelf depreciation is a kind of electrical discharge in the insulating medium, and this discharge is only for a part and local bridge joint in measured medium, and the vicinity of conductor possibly take place or possibly not betide in this discharge.Shelf depreciation takes place under the effect of highfield some weak part in the power equipment insulation is ubiquitous problem in the High-Voltage Insulation.If the shelf depreciation long-term existence can cause insulation degradation under certain condition, even puncture.Power equipment is carried out the shelf depreciation experiment, not only can understand the insulation status of equipment, can also in time find many problems, confirm the reason and the order of severity thereof of insulation fault about manufacturing and installation aspect.
In the prior art, to Partial Discharge Detection, usually employing office puts after detecting sensor carries out signal Processing, on display device, carries out oscillography and shows.The staff is through checking the figure spectrum signal in the display device and then confirming whether to exist the shelf depreciation problem.Above-mentioned detection method when detecting a plurality of position, needs a plurality of sensors to detect.The staff is from finding signal, confirm the oscillography passage, confirm amplifier channel, confirm cable, confirming sensing station; It is consuming time longer to increase flow process, total consuming time more than 10 minutes, and general transformer station need confirm that sensor reaches more than 20 times; Then need more than 200 minutes, detection efficiency is low.And when the staff is put detection to the office of diverse location, need the frequent whole detection device that moves, move inconvenience, time-consuming length.In moving process, be prone to outage, instrument is had damage.
The utility model content
The purpose of the utility model is, provides a kind of and can minimizing office be placed on line detection pick-up unit consuming time, solves above technical matters.
The technical matters that the utility model solved can adopt following technical scheme to realize:
A kind of line that can minimizing office be placed on detects pick-up unit consuming time; Comprise that office that a microprocessor system, is connected with said microprocessor system puts the display device that detecting sensor, is connected with said microprocessor system; It is characterized in that; Said microprocessor system connects at least two said offices and puts detecting sensor, and at least two said offices put detecting sensor and are connected with said microprocessor system through signal wire respectively, and the length of said signal wire is 10m-12m.
The utility model adopts wired mode to be connected with the microprocessor system local discharge detection device, and signal wire adopts above-mentioned length, and is unattenuated at signal; Do not influence under the situation of test result; Long as much as possible, so that reduce in testing process the mobile number of times of whole detection device.
The office of existing local discharge detection device puts detecting sensor and is no more than 8m for fear of common employing of signal attenuation, and signal wire length is too short, discovers it is the root that causes pick-up unit frequently to move.Therefore, the utility model extends to 10m-12m with signal wire under the prerequisite that does not influence test result, has shortened mobile number of times greatly.
Also comprise a prime amplifier; Said prime amplifier comprises at least two input interfaces, at least two output interfaces; A said office puts detecting sensor and connects a said input interface through said signal wire, and the output interface corresponding with said input interface connects said microprocessor system through signal wire.So that signal is amplified, be convenient to detect.
The signal wire that detecting sensor is put in each said office is provided with coloured label, and said coloured label is positioned at the two ends of said signal wire; The color of coloured label of signal wire that detecting sensor is put at least two said offices is different;
With the color of coloured label on the signal wire that said input interface is connected, identical with coloured label color on the signal wire that pairing output interface connects.Adopting a plurality of offices to put detecting sensor when detecting, the oscillography signal colour that the staff can show display device is identical with the coloured label color on the signal wire.When finding that phenomenon is put in a certain oscillography signal existence office, conveniently be easy to find the office that the signal wire identical with this color connect through color and put the position of detecting sensor, thereby simplified the affirmation flow process that detecting sensor is put in office greatly.
Also comprise an oscillograph, said microprocessor system is as said oscillographic processor, and said display device is as said oscillographic display;
The power input of said microprocessor system connects a power module, and said power module comprises a battery.The power input of said prime amplifier connects a battery.The utility model adopts battery to supply power to oscillograph, pick-up unit being carried out need not extraneous power supply in the moving process, has solved the problem of cutting off the power supply in the moving process.
Said office puts detecting sensor and preferably adopts a uhf sensor.
Said signal wire adopts concentric cable.
Beneficial effect: owing to adopt technique scheme, when the utility model is used for the local amplification detection of transformer station, effectively reduce detect consuming time, simplified sensor and confirmed flow process, solved outage problem in the pick-up unit moving process.
Description of drawings
Fig. 1 is the connection synoptic diagram of the utility model.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and be easy to understand with effect and understand, below in conjunction with the further elaboration the utility model of concrete diagram.
With reference to Fig. 1; A kind of line that can minimizing office be placed on detects pick-up unit consuming time; Comprise that the office that a microprocessor system 1, is connected with microprocessor system 1 puts the display device 3 that detecting sensor 2, is connected with microprocessor system 1; Microprocessor system 1 connects at least two offices and puts detecting sensor 2, and at least two offices put detecting sensor 2 and are connected with microprocessor system 1 through signal wire 21 respectively, and the length of signal wire 21 is 10m-12m.The utility model adopts wired mode to be connected with microprocessor system 1 local discharge detection device; And signal wire 21 adopts above-mentioned length; Unattenuated at signal, do not influence under the situation of test result, long as much as possible; So that reduce in testing process the mobile number of times of whole detection device.The office of existing local discharge detection device puts detecting sensor 2 and is no more than 8m for fear of common employing of signal attenuation, and signal wire length is too short, discovers it is the root that causes pick-up unit frequently to move.Therefore, the utility model extends to 10m-12m with signal wire under the prerequisite that does not influence test result, has shortened mobile number of times greatly.
Also comprise a prime amplifier 4; Prime amplifier 4 comprises at least two input interfaces, at least two output interfaces; An office puts detecting sensor 2 and connects an input interface through signal wire 21, and the output interface corresponding with input interface connects microprocessor system 1 through signal wire 41.So that signal is amplified, be convenient to detect.
The signal wire that detecting sensor 2 is put in each innings is provided with coloured label 5, and coloured label 5 is positioned at the two ends of signal wire 21.The color of coloured label 5 of signal wire 21 that detecting sensor 2 is put at least two offices is different.With the color of coloured label 5 on the signal wire that input interface is connected, identical with coloured label 5 colors on the signal wire that pairing output interface connects.Adopting a plurality of offices to put detecting sensor 2 when detecting, the oscillography signal colour that the staff can show display device 3 is identical with coloured label 5 colors on the signal wire.When finding that phenomenon is put in a certain oscillography signal existence office, conveniently be easy to find the office that the signal wire identical with this color connect through color and put the position of detecting sensor 2, thereby simplified the affirmation flow process that detecting sensor 2 is put in office greatly.
Also comprise an oscillograph, microprocessor system 1 is as oscillographic processor, and display device 3 is as oscillographic display.The power input of microprocessor system 1 connects a power module, and power module comprises a battery.The power input of prime amplifier 4 connects a battery.The utility model adopts battery to supply power to oscillograph, pick-up unit being carried out need not extraneous power supply in the moving process, has solved the problem of cutting off the power supply in the moving process.Battery preferably adopts accumulator.
The detecting sensor 2 preferred uhf sensors that adopt are put in office.Signal wire adopts concentric cable.
More than show and described ultimate principle of the utility model and the advantage of principal character and the utility model.The technician of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the instructions that the utility model just is described; Under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various changes and modifications, and these variations and improvement all fall in the utility model scope that requires protection.The utility model requires protection domain to be defined by appending claims and equivalent thereof.
Claims (5)
1. one kind can minimizing office be placed on line detection pick-up unit consuming time; Comprise that office that a microprocessor system, is connected with said microprocessor system puts the display device that detecting sensor, is connected with said microprocessor system; It is characterized in that; Said microprocessor system connects at least two said offices and puts detecting sensor, and at least two said offices put detecting sensor and are connected with said microprocessor system through signal wire respectively, and the length of said signal wire is 10m-12m.
2. a kind of line that can minimizing office be placed on according to claim 1 detects pick-up unit consuming time; It is characterized in that; Also comprise a prime amplifier; Said prime amplifier comprises at least two input interfaces, at least two output interfaces, and a said office puts detecting sensor and connects a said input interface through said signal wire, and the corresponding output interface of said input interface connects said microprocessor system through signal wire.
3. a kind of line that can minimizing office be placed on according to claim 2 detects pick-up unit consuming time, it is characterized in that, each said office puts on the signal wire of detecting sensor and is equipped with coloured label, and said coloured label is positioned at the two ends of said signal wire; The color of coloured label of signal wire that detecting sensor is put at least two said offices is different;
With the color of coloured label on the signal wire that said input interface is connected, identical with coloured label color on the signal wire that pairing output interface connects.
4. a kind of line that can minimizing office be placed on according to claim 3 detects pick-up unit consuming time; It is characterized in that; Also comprise an oscillograph, said microprocessor system is as said oscillographic processor, and said display device is as said oscillographic display;
The power input of said microprocessor system connects a power module, and said power module comprises a battery.
5. a kind of line that can minimizing office be placed on according to claim 4 detects pick-up unit consuming time, it is characterized in that the power input of said prime amplifier connects a battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200956952U CN202471898U (en) | 2012-03-14 | 2012-03-14 | Detecting device capable of reducing partial discharge on-line detection time consumption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200956952U CN202471898U (en) | 2012-03-14 | 2012-03-14 | Detecting device capable of reducing partial discharge on-line detection time consumption |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202471898U true CN202471898U (en) | 2012-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200956952U Expired - Fee Related CN202471898U (en) | 2012-03-14 | 2012-03-14 | Detecting device capable of reducing partial discharge on-line detection time consumption |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202471898U (en) |
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2012
- 2012-03-14 CN CN2012200956952U patent/CN202471898U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20200314 |