CN202770961U - SF6 density relay calibration platform - Google Patents
SF6 density relay calibration platform Download PDFInfo
- Publication number
- CN202770961U CN202770961U CN 201220382845 CN201220382845U CN202770961U CN 202770961 U CN202770961 U CN 202770961U CN 201220382845 CN201220382845 CN 201220382845 CN 201220382845 U CN201220382845 U CN 201220382845U CN 202770961 U CN202770961 U CN 202770961U
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- Prior art keywords
- density monitor
- gas
- verification
- processing system
- data processing
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- Expired - Lifetime
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- 238000012545 processing Methods 0.000 claims abstract description 25
- 238000012360 testing method Methods 0.000 claims abstract description 20
- 238000012795 verification Methods 0.000 claims description 48
- 238000003556 assay Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 2
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 238000004904 shortening Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 206010016256 fatigue Diseases 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
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Abstract
The utility model relates to a calibration device for an electric instrument and discloses an SF6 density relay calibration platform, comprising a computer data processing system, an operation keyboard, a display screen and gas calibration loops. The gas calibration loops are used to control a to-be-calibrated density relay, obtain a calibration signal of the to-be-calibrated density relay and input the calibration signal to the computer data processing system. The computer data processing system is used to process and analyze the calibration signal of the to-be-calibrated density relay. According to the utility model, the four gas calibration loops are adopted to calibrate the to-be-calibrated density relay and four SF6 density relays can be calibrated every time, thereby greatly shortening the test time. In addition, according to the utility model, a gas inlet unit and a gas discharge unit are connected, thereby preventing the phenomenon of easy failure in connecting a connected instrument and a signal line of a density relay and connecting a density relay and a gas pipe during the operation test and enhancing the test reliability.
Description
Technical field
The utility model relates to a kind of calibration equipment of electrical equipment instrument, particularly a kind ofly is used for checking SF
6The tester of gas density relay.
Background technology
SF
6Electric product has been widely used in power department, industrial and mining enterprises, has promoted the fast development of power industry.Along with newly-built transformer station (GIS combined electrical apparatus) equipment constantly increases, guarantee the reliable of (GIS combined electrical apparatus) equipment, must further improve SF
6How density monitor check test efficient guarantees SF
6The reliable and secure operation of electric product has become one of vital task of power department.SF
6Gas density relay is SF
6One of key element of electric switch, it is used for detecting SF
6SF in the electrical equipment body
6The variation of gas density, its performance quality directly has influence on SF
6The reliable and secure operation of electrical equipment.The newly-built SF of transformer station
6Density monitor generally all is to try in the indoor school of carrying out before putting into operation, particularly SF
6The density monitor of (GIS combined electrical apparatus) is usually all at 40 to 60.As once can only verification one, the school examination time be just long, generally needs verification just can finish the work in several days, so operating personnel are than fatiguability.
Therefore need the quick verification SF of a kind of energy
6The testing tool of gas density relay.
The utility model content
In view of this, technical problem to be solved in the utility model provides the quick verification SF of a kind of energy
6The testing tool of gas density relay.
The utility model is achieved through the following technical solutions:
The SF that the utility model provides
6Density monitor verification platform comprises computer data processing system, operation keyboard and display screen, at least also comprises a gas verification loop,
Described gas verification loop, be used for controlling density monitor table to be verified and obtain the checking signal of density monitor table to be verified, and checking signal is input to described computer data processing system, described computer data processing system is for the treatment of the checking signal of analyzing the density monitor table to be verified of testing.
Further, described gas verification loop comprises that source of the gas provides mechanism, admission gear, exhaust apparatus, pressure transducer, temperature sensor and pilot lamp;
Described source of the gas provides mechanism to be connected with the admission gear pipeline, it is inner that described pressure transducer and temperature sensor are arranged at respectively density monitor table to be verified, be used for obtaining pressure signal and the temperature signal of density monitor table to be verified inside, described pressure signal and temperature signal are input to respectively computer data processing system, described exhaust apparatus is connected with air release, described pilot lamp is connected with computer data processing system, is used for showing assay.
Further, described gas verification loop also comprises and is provided with standard verification density monitor table, described standard verification density monitor table obtains inner pressure signal and temperature signal by pressure transducer and temperature sensor, and pressure signal and temperature signal are input to computer data processing system.
Further, described gas verification loop is 4 road gas verification loops, and described 4 road gas verification loops are connected with computer data processing system respectively, is used for testing simultaneously the checking signal of density monitor table to be verified.
The beneficial effects of the utility model are: the utility model adopts 4 road gas verification loops to come verification density monitor table to be verified, with SF
6The density monitor test duration shortened to 10 minutes in 20 minutes from average every.And can reach verification SF at every turn
6Density monitor table 4 piece, thus greatly shorten the test duration.The utility model also adopts admission gear to connect with exhaust apparatus, the instrument of having avoided connecting in operational testing occurs operating unsuccessful phenomenon with the signal wire of density monitor and the ease of connection of density monitor and tracheae, has improved the reliability of test.
Other advantages of the present utility model, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on being apparent to those skilled in the art to investigating hereinafter, perhaps can from practice of the present utility model, obtain instruction.Target of the present utility model and other advantages can realize and obtain by following instructions and claims.
Description of drawings
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing the utility model is described in further detail, wherein:
The SF that Fig. 1 provides for the utility model embodiment
6Density monitor test verification platform structure figure;
The SF that Fig. 2 provides for the utility model embodiment
6Density monitor test verification platform inner structure synoptic diagram.
Among the figure, standard verification density monitor table-1, density monitor table-2 to be verified, red led-3, green indicating lamp-4, gas admittance valve-5, reduction valve-6, air release-7.
Embodiment
Hereinafter with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail.Should be appreciated that preferred embodiment only for the utility model is described, rather than in order to limit protection domain of the present utility model.
The SF that Fig. 1 provides for the utility model embodiment
6Density monitor test verification platform structure figure, the SF that Fig. 2 provides for the utility model embodiment
6Density monitor test verification platform inner structure synoptic diagram, as shown in the figure: the SF that the utility model provides
6Density monitor verification platform, comprise computer data processing system, operation keyboard and display screen, at least also comprise a gas verification loop, described gas verification loop, be used for controlling density monitor table 2 to be verified and obtain the checking signal of density monitor table 2 to be verified, and checking signal is input to described computer data processing system, described computer data processing system is for the treatment of the checking signal of analyzing the density monitor table 2 to be verified of testing.
Described gas verification loop comprises that source of the gas provides mechanism, admission gear, exhaust apparatus, pressure transducer, temperature sensor and pilot lamp; Described source of the gas provides mechanism to be connected with the admission gear pipeline, source of the gas in the present embodiment provides mechanism to adopt gas cylinder, after this gas cylinder reduces pressure by reduction valve 6, the standard that is input to verification density monitor table 1 and the density monitor table 2 to be verified by gas admittance valve 5 control again with gas, it is inner that described pressure transducer and temperature sensor are arranged at respectively density monitor table to be verified, be used for obtaining pressure signal and the temperature signal of density monitor table to be verified inside, described pressure signal and temperature signal are input to respectively computer data processing system, pressure signal and temperature signal that described standard verification density monitor table 1 produces also are input in the computer data processing system, described exhaust apparatus is connected with air release, exhaust process by air release 7 control exhaust apparatus, described pilot lamp is connected with computer data processing system, is used for showing assay.
Described gas verification loop also comprises and is provided with standard verification density monitor table, described standard verification density monitor table obtains inner pressure signal and temperature signal by pressure transducer and temperature sensor, and pressure signal and temperature signal are input to computer data processing system.
Described gas verification loop is four road gas verification loops, and described four road gas verification loops are connected with computer data processing system respectively, is used for testing simultaneously the checking signal of density monitor table to be verified.The pilot lamp that present embodiment provides comprises red led 3 and green indicating lamp 4, and this red led 3 is used for showing inner pressure signal, and this green indicating lamp 4 is used for showing inner temperature signal.
Explanation is at last, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although by the utility model being described with reference to preferred embodiment of the present utility model, but those of ordinary skill in the art is to be understood that, can make various changes to it in the form and details, and not depart from the spirit and scope of the present utility model that appended claims limits.
Claims (4)
1. SF
6Density monitor verification platform, comprise computer data processing system, operation keyboard and display screen, it is characterized in that: at least also comprise a gas verification loop, described gas verification loop, be used for controlling density monitor table to be verified and obtain the checking signal of density monitor table to be verified, and checking signal is input to described computer data processing system, described computer data processing system is for the treatment of the checking signal of analyzing the density monitor table to be verified of testing.
2. SF according to claim 1
6Density monitor verification platform is characterized in that: described gas verification loop comprises that source of the gas provides mechanism, admission gear, exhaust apparatus, pressure transducer, temperature sensor and pilot lamp;
Described source of the gas provides mechanism to be connected with the admission gear pipeline, it is inner that described pressure transducer and temperature sensor are arranged at respectively density monitor table to be verified, be used for obtaining pressure signal and the temperature signal of density monitor table to be verified inside, described pressure signal and temperature signal are input to respectively computer data processing system, described exhaust apparatus is connected with air release, described pilot lamp is connected with computer data processing system, is used for showing assay.
3. SF according to claim 2
6Density monitor verification platform, it is characterized in that: described gas verification loop also comprises and is provided with standard verification density monitor table, described standard verification density monitor table obtains inner pressure signal and temperature signal by pressure transducer and temperature sensor, and pressure signal and temperature signal are input to computer data processing system.
4. SF according to claim 3
6Density monitor verification platform is characterized in that: described gas verification loop is four road gas verification loops, and described four road gas verification loops are connected with computer data processing system respectively, is used for testing simultaneously the checking signal of density monitor table to be verified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220382845 CN202770961U (en) | 2012-08-03 | 2012-08-03 | SF6 density relay calibration platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220382845 CN202770961U (en) | 2012-08-03 | 2012-08-03 | SF6 density relay calibration platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202770961U true CN202770961U (en) | 2013-03-06 |
Family
ID=47777525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220382845 Expired - Lifetime CN202770961U (en) | 2012-08-03 | 2012-08-03 | SF6 density relay calibration platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202770961U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103424691A (en) * | 2013-08-22 | 2013-12-04 | 国家电网公司 | Multi-epitope density relay checking platform |
| CN104375082A (en) * | 2014-11-04 | 2015-02-25 | 广州供电局有限公司 | Intelligent SF6 density relay calibration device and method |
| CN108535641A (en) * | 2018-06-12 | 2018-09-14 | 广东电网有限责任公司 | A kind of SF6 density monitors calibration equipment |
| CN112798398A (en) * | 2020-12-30 | 2021-05-14 | 广西电网有限责任公司电力科学研究院 | Be used for GIS density relay gas pressure testing arrangement |
-
2012
- 2012-08-03 CN CN 201220382845 patent/CN202770961U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103424691A (en) * | 2013-08-22 | 2013-12-04 | 国家电网公司 | Multi-epitope density relay checking platform |
| CN104375082A (en) * | 2014-11-04 | 2015-02-25 | 广州供电局有限公司 | Intelligent SF6 density relay calibration device and method |
| CN108535641A (en) * | 2018-06-12 | 2018-09-14 | 广东电网有限责任公司 | A kind of SF6 density monitors calibration equipment |
| CN108535641B (en) * | 2018-06-12 | 2024-03-08 | 广东电网有限责任公司 | SF6 density relay calibration device |
| CN112798398A (en) * | 2020-12-30 | 2021-05-14 | 广西电网有限责任公司电力科学研究院 | Be used for GIS density relay gas pressure testing arrangement |
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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: 20130306 |
|
| CX01 | Expiry of patent term |