CN104681351A - Convenient-to-read high-accuracy sulfur hexafluoride gas density relay - Google Patents
Convenient-to-read high-accuracy sulfur hexafluoride gas density relay Download PDFInfo
- Publication number
- CN104681351A CN104681351A CN201510058888.9A CN201510058888A CN104681351A CN 104681351 A CN104681351 A CN 104681351A CN 201510058888 A CN201510058888 A CN 201510058888A CN 104681351 A CN104681351 A CN 104681351A
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- CN
- China
- Prior art keywords
- sulfur hexafluoride
- hexafluoride gas
- gas density
- density relay
- convenient
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
- H01H35/26—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
- H01H35/26—Details
- H01H35/28—Compensation for variation of ambient pressure or temperature
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a convenient-to-read high-accuracy sulfur hexafluoride gas density relay. The convenient-to-read high-accuracy sulfur hexafluoride gas density relay comprises a shell, a pressure transformation mechanism, a temperature compensation mechanism, a transmission mechanism, a contact trigger mechanism and a data display mechanism, wherein the pressure transformation mechanism is arranged in the shell; the temperature compensation mechanism is connected to the pressure conversion mechanism; the contact trigger mechanism is connected to the transmission mechanism; the data display mechanism comprises a pressure sensor, a circuit board and a digital display terminal, the pressure sensor is arranged on the pressure transformation mechanism, the digital display terminal is arranged at the outer part of the shell, the pressure sensor is connected with the circuit board, and the circuit board is connected with the digital display terminal. According to the convenient-to-read high-accuracy sulfur hexafluoride gas density relay disclosed by the invention, a digital display technology is adopted, and thus a detecting result is more directly displayed and can be conveniently read by a worker; in addition, the display structure is higher in display accuracy, unlikely to be abraded during long-time use, higher in working stability, unlikely to be affected by external factors such as vibration and better in shock resistance.
Description
Technical field
The present invention relates to a kind of sulfur hexafluoride gas density relay, be specifically related to a kind of data and show more accurately, read sulfur hexafluoride gas density relay more easily.
Background technology
Sulfur hexafluoride gas is a kind of colourless, tasteless, nontoxic and non-combustible and transparent gas, has the possibility of liquefaction under normal conditions, could keep gaseous state more than 45 degrees Celsius.Under uniform electric field, its insulating properties is three times of air, under four atmospheric pressure, and the suitable transformer oil of its insulating properties.At present, utilize sulfur hexafluoride gas as the electric product of arc-extinguishing medium and dielectric, be widely used in power department and industrial and mining enterprises, facilitated the fast development of power industry.During use, if sulphur hexafluoride electric product leaks gas, just can not ensure the reliable and secure operation of sulphur hexafluoride electric product, therefore, ensure that sulphur hexafluoride electric product gas leakage does not occur, thus ensure the safe and reliable operation of sulphur hexafluoride electric product, become one of vital task of power department.
At present, generally adopt a kind of pointer sulfur hexafluoride gas density relay of machinery to detect sulfur hexafluoride gas density, namely when gas leakage occurs sulphur hexafluoride electric product, this sulfur hexafluoride gas density relay can send warning and locking signal, simultaneously can also displaying scene density value.Sulfur hexafluoride gas density relay of the prior art, owing to adopting the display structure of pointer-type, testing result need according to dial scale analysis, comparatively inconvenience, and in Long-Time Service, pointer display structure is easy to wear, or distortion, thus causes its display data inaccurate, precision is lower, and being subject to extraneous factor impacts such as such as shaking, job stability is poor, and shock resistance is poor.
Summary of the invention
The object of the invention is to solve above-mentioned the problems of the prior art, provide one to be convenient to read testing result, better working stability, display precision is higher, the good sulfur hexafluoride gas density relay of shock resistance.
For achieving the above object, the technical solution adopted in the present invention is as follows:
A kind of high accuracy sulfur hexafluoride gas density relay being convenient to read, comprise housing, pressure transformation mechanism, temperature compensation mechanism, transmission mechanism, contact trigger mechanism and data indication mechanism, described pressure transformation mechanism holder housing is inner, described temperature compensation mechanism is connected to pressure transformation mechanism, described contact trigger mechanism is connected to temperature compensation mechanism by transmission mechanism, described data indication mechanism is connected to temperature compensation mechanism by transmission mechanism, it is characterized in that: described data indication mechanism comprises pressure sensor, wiring board and numerical monitor terminal, described pressure sensor is arranged on described pressure transformation mechanism, described numerical monitor terminal is arranged on outside, described pressure sensor is connected to wiring board, described wiring board is connected to numerical monitor terminal.
Described data indication mechanism also comprises indicators turn mechanism and dial, and described indicators turn mechanism is fixed in transmission mechanism, and described dial is arranged on shell end.
Described numerical monitor terminal is arranged in the middle part of dial.
Above described numerical monitor terminal holder housing.
Described wiring board is arranged on above housing.
Described pressure transformation mechanism comprises C shape pipe.
Described temperature compensation mechanism comprises temperature-compensating sheet.
Compared with prior art, the invention has the advantages that: sulfur hexafluoride gas density relay of the present invention, adopt digital display technique, its testing result is shown more directly perceived, be convenient to staff and read, and this kind of display structure display precision is higher, not easy to wear in Long-Time Service, job stability is better, and be not subject to the extraneous factor impacts such as vibrations, shock resistance is better.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation being convenient to the high accuracy sulfur hexafluoride gas density relay read of the first embodiment of the present invention;
Fig. 2 is a kind of structural representation being convenient to the high accuracy sulfur hexafluoride gas density relay read of the second embodiment of the present invention;
Fig. 3 is a kind of structural representation being convenient to the high accuracy sulfur hexafluoride gas density relay read of the third embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, introduce three kinds of embodiments of the present invention in detail.
As shown in Figure 1, a kind of high accuracy sulfur hexafluoride gas density relay being convenient to read of the first embodiment of the present invention, comprise housing 1, pressure transformation mechanism 2, temperature compensation mechanism 3, transmission mechanism 4, contact trigger mechanism 5 and data indication mechanism 6, pressure transformation mechanism 2 holder housing 1 is inner, pressure transformation mechanism 2 comprises C shape pipe, temperature compensation mechanism 3 comprises temperature-compensating sheet, temperature compensation mechanism 3 is connected to pressure transformation mechanism 2, contact trigger mechanism 5 is connected to temperature compensation mechanism 3 by transmission mechanism 4, data indication mechanism 6 is connected to temperature compensation mechanism 3 by transmission mechanism 4, data indication mechanism 6 comprises pressure sensor 61, wiring board 62, numerical monitor terminal 63, indicators turn mechanism 644 and dial 65, pressure sensor 61 is arranged on described pressure transformation mechanism 2, indicators turn mechanism 644 is fixed in transmission mechanism 4, dial 65 is arranged on housing 1 end, numerical monitor terminal 63 is arranged in the middle part of dial 65, it is inner that wiring board 62 is arranged on housing 1.Meanwhile, pressure sensor 61 is connected to wiring board 62 by data wire, and wiring board 62 is connected to numerical monitor terminal 63 by data wire.
The present invention is a kind of, and to be convenient to the operation principle of the high accuracy sulfur hexafluoride gas density relay read as follows: the pressure transformation mechanism 2 being fixed on housing 1 inside, under tested sulfur hexafluoride gas pressure effect, produce displacement, by the correction of temperature compensation mechanism 3 to the pressure and temperature of change, reflect the change displacement of sulfur hexafluoride gas density, by transmission mechanism 4, drive indicators turn mechanism 64 action, change in displacement is changed into angle change, sulfur hexafluoride gas density value after indicators turn mechanism 64 indicates change on dial 65, realize the function of mechanical type display.Indicators turn mechanism 64 is at rotation process meeting toggle connection points trigger mechanism 5 simultaneously, and contact trigger mechanism 5 will export corresponding contact point signal, realizes mechanical alarm function.Be arranged on the pressure sensor 61 on pressure transformation mechanism 2 simultaneously, tested sulfur hexafluoride gas gas pressure value is transferred on wiring board 62, by collection and the computing of the internal processes data of wiring board 62, tested sulfur hexafluoride gas force value is converted to density value, then by data line transfer in numerical monitor terminal 63, realize numerical monitor.
Sulfur hexafluoride gas density relay of the present invention, adopt digital display technique, its testing result is shown more directly perceived, be convenient to staff read, and this kind of display structure display precision is higher, not easy to wear in Long-Time Service, job stability is better, be not subject to the extraneous factor impacts such as vibrations, shock resistance is better.
As shown in Figure 2, a kind of high accuracy sulfur hexafluoride gas density relay being convenient to read of the second embodiment of the present invention, compared with the first embodiment of the present invention, above numerical monitor terminal 63 holder housing 1.
Improve as to the one of the second embodiment of the present invention, as shown in Figure 3, a kind of high accuracy sulfur hexafluoride gas density relay being convenient to read of the third embodiment of the present invention, numerical monitor terminal 63 and wiring board 62 are all arranged on above housing 1, the i.e. convenient data message reading numerical monitor terminal 63 of this kind of design, is convenient to again overhaul wiring board 62, safeguard.
Below by reference to the accompanying drawings embodiments of the present invention are explained in detail; but the present invention is not limited to above-mentioned execution mode; in the ken that those of ordinary skill in the art possess; can also make various changes and modifications under the prerequisite not departing from present inventive concept, these changes and improvements all fall in the protection range of application claims.
Claims (7)
1. be convenient to the high accuracy sulfur hexafluoride gas density relay of reading for one kind, comprise housing (1), pressure transformation mechanism (2), temperature compensation mechanism (3), transmission mechanism (4), contact trigger mechanism (5) and data indication mechanism (6), described pressure transformation mechanism (2) holder housing (1) is inner, described temperature compensation mechanism (3) is connected to pressure transformation mechanism (2), described contact trigger mechanism (5) is connected to temperature compensation mechanism (3) by transmission mechanism (4), described data indication mechanism (6) is connected to temperature compensation mechanism (3) by transmission mechanism (4), it is characterized in that: described data indication mechanism (6) comprises pressure sensor (61), wiring board (62) and numerical monitor terminal (63), described pressure sensor (61) is arranged on described pressure transformation mechanism (2), it is outside that described numerical monitor terminal (63) is arranged on housing (1), described pressure sensor (61) is connected to wiring board (62), described wiring board (62) is connected to numerical monitor terminal (63).
2. be convenient to the high accuracy sulfur hexafluoride gas density relay read according to claim 1, it is characterized in that: described data indication mechanism (6) also comprises indicators turn mechanism (64) and dial (65), described indicators turn mechanism (64) is fixed in transmission mechanism (4), and described dial (65) is arranged on housing (1) end.
3. be convenient to the high accuracy sulfur hexafluoride gas density relay read according to claim 2, it is characterized in that: described numerical monitor terminal (63) is arranged on dial (65) middle part.
4. the high accuracy sulfur hexafluoride gas density relay read according to claim 1, is characterized in that: described numerical monitor terminal (63) holder housing (1) top.
5. the high accuracy sulfur hexafluoride gas density relay read according to claim 4, is characterized in that: described wiring board (62) is arranged on housing (1) top.
6. be convenient to the high accuracy sulfur hexafluoride gas density relay read according to claim 1, it is characterized in that: described pressure transformation mechanism (2) comprises C shape pipe.
7. be convenient to the high accuracy sulfur hexafluoride gas density relay read according to claim 1, it is characterized in that: described temperature compensation mechanism (3) comprises temperature-compensating sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510058888.9A CN104681351A (en) | 2015-02-05 | 2015-02-05 | Convenient-to-read high-accuracy sulfur hexafluoride gas density relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510058888.9A CN104681351A (en) | 2015-02-05 | 2015-02-05 | Convenient-to-read high-accuracy sulfur hexafluoride gas density relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104681351A true CN104681351A (en) | 2015-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510058888.9A Pending CN104681351A (en) | 2015-02-05 | 2015-02-05 | Convenient-to-read high-accuracy sulfur hexafluoride gas density relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104681351A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105609368A (en) * | 2015-11-26 | 2016-05-25 | 上海乐研电气科技有限公司 | Gas density relay with gas density level indicator |
| CN107863268A (en) * | 2017-11-29 | 2018-03-30 | 上海乐研电气有限公司 | A kind of gas density relay superpressure signal realizes the method kept |
| CN110416024A (en) * | 2019-09-04 | 2019-11-05 | 上海乐研电气有限公司 | A kind of shock type digital display gas density relay |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3749865A (en) * | 1971-02-24 | 1973-07-31 | Bbc Brown Boveri & Cie | Temperature responsive control switch with bi-metallic disk means |
| EP0637114A1 (en) * | 1993-07-30 | 1995-02-01 | Consolidated Electronics, Inc. | A high voltage transmission switching apparatus with gas monitoring device |
| CN201741633U (en) * | 2010-07-29 | 2011-02-09 | 上海劲变电气制造有限公司 | Multifunctional gas relay |
| CN102543571A (en) * | 2012-02-14 | 2012-07-04 | 上海乐研电气科技有限公司 | Anti-vibration sulfur hexafluoride gas density relay |
| CN103456562A (en) * | 2013-09-18 | 2013-12-18 | 上海乐研电气科技有限公司 | Sulfur hexafluoride gas density relay |
| CN104282485A (en) * | 2014-10-31 | 2015-01-14 | 国家电网公司 | Remote-transmission sulfur hexafluoride gas density relay |
| CN204361005U (en) * | 2015-02-05 | 2015-05-27 | 上海上芃电气有限公司 | A kind of high accuracy sulfur hexafluoride gas density relay being convenient to read |
-
2015
- 2015-02-05 CN CN201510058888.9A patent/CN104681351A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3749865A (en) * | 1971-02-24 | 1973-07-31 | Bbc Brown Boveri & Cie | Temperature responsive control switch with bi-metallic disk means |
| EP0637114A1 (en) * | 1993-07-30 | 1995-02-01 | Consolidated Electronics, Inc. | A high voltage transmission switching apparatus with gas monitoring device |
| CN201741633U (en) * | 2010-07-29 | 2011-02-09 | 上海劲变电气制造有限公司 | Multifunctional gas relay |
| CN102543571A (en) * | 2012-02-14 | 2012-07-04 | 上海乐研电气科技有限公司 | Anti-vibration sulfur hexafluoride gas density relay |
| CN103456562A (en) * | 2013-09-18 | 2013-12-18 | 上海乐研电气科技有限公司 | Sulfur hexafluoride gas density relay |
| CN104282485A (en) * | 2014-10-31 | 2015-01-14 | 国家电网公司 | Remote-transmission sulfur hexafluoride gas density relay |
| CN204361005U (en) * | 2015-02-05 | 2015-05-27 | 上海上芃电气有限公司 | A kind of high accuracy sulfur hexafluoride gas density relay being convenient to read |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105609368A (en) * | 2015-11-26 | 2016-05-25 | 上海乐研电气科技有限公司 | Gas density relay with gas density level indicator |
| CN107863268A (en) * | 2017-11-29 | 2018-03-30 | 上海乐研电气有限公司 | A kind of gas density relay superpressure signal realizes the method kept |
| CN107863268B (en) * | 2017-11-29 | 2019-12-10 | 上海乐研电气有限公司 | Method for realizing holding of overpressure signal of gas density relay |
| CN110416024A (en) * | 2019-09-04 | 2019-11-05 | 上海乐研电气有限公司 | A kind of shock type digital display gas density relay |
| CN110416024B (en) * | 2019-09-04 | 2024-06-14 | 上海乐研电气有限公司 | Vibration-resistant digital display gas density relay |
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20150603 |