CN102103016A - SF6 gas density relay calibrator - Google Patents
SF6 gas density relay calibrator Download PDFInfo
- Publication number
- CN102103016A CN102103016A CN2009102013414A CN200910201341A CN102103016A CN 102103016 A CN102103016 A CN 102103016A CN 2009102013414 A CN2009102013414 A CN 2009102013414A CN 200910201341 A CN200910201341 A CN 200910201341A CN 102103016 A CN102103016 A CN 102103016A
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- China
- Prior art keywords
- density relay
- gas density
- gas
- main frame
- checking instrument
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- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention provides an SF6 gas density relay calibrator, which comprises a temperature measurement system, a gas bottle and a host, wherein the gas bottle is connected with the host through a connecting gas pipe; the host is connected with a measured SF6 gas density relay through a filter joint; and the host comprises a gas pressure adjusting device connected with the measured SF6 gas density relay, a singlechip system, and a display screen, a printer and a pressure adjusting valve connected with the singlechip system respectively; and the temperature measurement system comprises an internal sensor device and an external infrared device. Because double sets of temperature measurement system of the internal high-precision pressure sensor and the external infrared device are adopted, the SF6 gas density relay calibrator ensures the accuracy of the acquired calibration temperature, ensures that the calibration result and the actual temperature of the calibrated SF6 density relay has small difference, and ensures the accuracy of the test result.
Description
Technical field
The present invention relates to a kind of SF6 gas density relay checking instrument.
Background technology
The SF6 gas density relay checking instrument is according to electric system SF6 switch characteristics, a kind of analytical equipment of Specialty Design.The temperature acquisition precision of existing SF6 gas density relay checking instrument is low, promptly the verification temperature of Cai Jiing with existed than big-difference by verification SF6 density monitor actual temperature, check results departs from actual value, causes precision not high, shortcomings such as temperature compensation poor performance.
Summary of the invention
The object of the invention provides a kind of by two sleeving temperature measuring systems, the convenient SF6 gas density relay checking instrument of realizing the field-checking of test, precision height.
In view of above purpose, the invention provides the SF6 gas density relay checking instrument, comprise temperature measurement system, gas cylinder, main frame, gas cylinder is connected by being connected tracheae with main frame, main frame links to each other with tested SF6 gas density relay by transition joint, main frame comprises gaseous tension regulating device, Single Chip Microcomputer (SCM) system, the display screen that is connected with Single Chip Microcomputer (SCM) system respectively, printer, the pressure-regulating valve that links to each other with tested SF6 density monitor, and described temperature measurement system comprises built-in sensor device and external infrared facility.The present invention is because of adopting built-in sensors device and the so two sleeving temperature measuring systems of external infrared facility, make measuring accuracy higher, and single-chip microcomputer can convert by the normal pressure when the SF6 gaseous tension is converted to 20 ℃ automatically under any environment temperature, the conversion pressure of the normal pressure in the time of also can carrying out 20 ℃ under any temperature.
Described connection tracheae two ends are furnished with miniature fast cut-off valve, make pressure controlled more convenient to operately, and can prevent that pipeline from entering moisture and air.
Described main frame also has number of support software RS 232 interfaces according to one's analysis, thereby can realize the analysis to image data.
Described main frame also is connected with instrument self diagnosis alarm, when wiring error occurring, can carry out alarm, in case the damage of tester.
Described display screen is a LCDs.
SF6 gas density relay checking instrument of the present invention is owing to adopt two sleeving temperature measuring systems of built-in high-precision pressure transducer and external infrared facility, guarantee the precision of the verification temperature of collection, make check results and be there are differences lessly by verification SF6 density monitor actual temperature, guarantee precision of test result.
Description of drawings
Fig. 1 is the structural representation of SF6 gas density relay checking instrument of the present invention.
Embodiment
As Fig. 1 SF6 gas density relay checking instrument of the present invention structural representation.The invention provides the SF6 gas density relay checking instrument, comprise temperature measurement system, gas cylinder, main frame, gas cylinder is connected by being connected tracheae with main frame, main frame links to each other with tested SF6 gas density relay by transition joint, main frame comprises gaseous tension regulating device, Single Chip Microcomputer (SCM) system, the display screen that is connected with Single Chip Microcomputer (SCM) system respectively, printer, the pressure-regulating valve that links to each other with tested SF6 density monitor, and described temperature measurement system comprises built-in sensor device and external infrared facility.The present invention is because of adopting built-in sensors device and the so two sleeving temperature measuring systems of external infrared facility, make measuring accuracy higher, and single-chip microcomputer can convert by the normal pressure when the SF6 gaseous tension is converted to 20 ℃ automatically under any environment temperature, the conversion pressure of the normal pressure in the time of also can carrying out 20 ℃ under any temperature.
Described connection tracheae two ends are furnished with miniature fast cut-off valve, make pressure controlled more convenient to operately, and can prevent that pipeline from entering moisture and air.
Described main frame also has number of support software RS 232 interfaces according to one's analysis, thereby can realize the analysis to image data.
Described main frame also is connected with instrument self diagnosis alarm, when wiring error occurring, can carry out alarm, in case the damage of tester.
Described display screen is a LCDs, conveniently carries out the supervision and the operation of each parameter.
The above embodiment of the present invention only is for the illustrating of technical solution of the present invention, but not is used to limit the present invention.Therefore, the scope of the present invention should be listed as claims.
Claims (5)
1. SF6 gas density relay checking instrument, comprise temperature measurement system, gas cylinder, main frame, gas cylinder is connected by being connected tracheae with main frame, main frame links to each other with tested SF6 gas density relay by transition joint, main frame comprises gaseous tension regulating device, Single Chip Microcomputer (SCM) system, the display screen that is connected with Single Chip Microcomputer (SCM) system respectively, printer, the pressure-regulating valve that links to each other with tested SF6 density monitor, it is characterized in that: described temperature measurement system comprises built-in sensor device and external infrared facility.
2. SF6 gas density relay checking instrument according to claim 1 is characterized in that: described connection tracheae two ends are furnished with miniature fast cut-off valve.
3. SF6 gas density relay checking instrument according to claim 1 is characterized in that: described main frame also has the RS232 interface of supporting data analysis software.
4. SF6 gas density relay checking instrument according to claim 1 is characterized in that: described main frame also is connected with instrument self diagnosis alarm.
5. SF6 gas density relay checking instrument according to claim 1 is characterized in that: described display screen is a LCDs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102013414A CN102103016A (en) | 2009-12-17 | 2009-12-17 | SF6 gas density relay calibrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102013414A CN102103016A (en) | 2009-12-17 | 2009-12-17 | SF6 gas density relay calibrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102103016A true CN102103016A (en) | 2011-06-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102013414A Pending CN102103016A (en) | 2009-12-17 | 2009-12-17 | SF6 gas density relay calibrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102103016A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102944645A (en) * | 2012-10-26 | 2013-02-27 | 中国电力科学研究院 | SF6 online monitoring apparatus accuracy detection system and method thereof |
| CN104964815A (en) * | 2015-07-01 | 2015-10-07 | 许继（厦门）智能电力设备股份有限公司 | SF6 density relay pressure contact detecting device |
| CN106405394A (en) * | 2016-06-22 | 2017-02-15 | 国网安徽省电力公司检修公司 | Sulfur hexafluoride density relay verification device |
| CN117870619A (en) * | 2024-03-12 | 2024-04-12 | 云奕智创航空科技(南通)有限公司 | Air pressure height detection device and unmanned aerial vehicle |
-
2009
- 2009-12-17 CN CN2009102013414A patent/CN102103016A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102944645A (en) * | 2012-10-26 | 2013-02-27 | 中国电力科学研究院 | SF6 online monitoring apparatus accuracy detection system and method thereof |
| CN104964815A (en) * | 2015-07-01 | 2015-10-07 | 许继（厦门）智能电力设备股份有限公司 | SF6 density relay pressure contact detecting device |
| CN106405394A (en) * | 2016-06-22 | 2017-02-15 | 国网安徽省电力公司检修公司 | Sulfur hexafluoride density relay verification device |
| CN106405394B (en) * | 2016-06-22 | 2017-11-10 | 国网安徽省电力公司检修公司 | A kind of sulfur hexafluoride density relay calibration equipment |
| CN117870619A (en) * | 2024-03-12 | 2024-04-12 | 云奕智创航空科技(南通)有限公司 | Air pressure height detection device and unmanned aerial vehicle |
| CN117870619B (en) * | 2024-03-12 | 2024-05-24 | 云奕智创航空科技(南通)有限公司 | Air pressure height detection device and unmanned aerial vehicle |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110622 |