CN204044019U - A kind of SF6 gas small water density synthetic sensor - Google Patents
A kind of SF6 gas small water density synthetic sensor Download PDFInfo
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- CN204044019U CN204044019U CN201420450448.9U CN201420450448U CN204044019U CN 204044019 U CN204044019 U CN 204044019U CN 201420450448 U CN201420450448 U CN 201420450448U CN 204044019 U CN204044019 U CN 204044019U
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Abstract
The utility model discloses a kind of SF6 gas small water density synthetic sensor, comprise the sensor main body of three-way connection formula, singlechip chip; Described singlechip chip is built in described sensor main body; Described singlechip chip is provided with pressure transducer, humidity sensor and temperature sensor; The three-way connection of described sensor is respectively communication cable interface, surveys gas port and gas supplementing opening; Described singlechip chip and described sensor main body adopt all-welded structure, and described sensor main body internal partition is broken into upper and lower two parts; Described sensor main body top is communication cable interface, and bottom is for surveying gas port and gas supplementing opening.The utility model is connected with micro-water IED, can realize carrying out multiparameter detection to SF6 gas in measuring equipment in real time online, reliability and long-time stability good.
Description
Technical field
The utility model relates to micro-water-mass density detection field, particularly relates to a kind of SF6 gas small water density synthetic sensor for SF6 gas multi-parameters sampling.
Background technology
SF6 gas is a kind of nontoxic, colourless, tasteless, and the material of chemical property stabilizer pole, has excellent arc extinguishing and insulating property.At present, SF6 gas is widely used in the electrical equipment of electric power enterprise, as SF6 isolating switch, SF6 high pressure combined electric equipment (GIS) etc.In the use containing SF6 gas apparatus, SF6 gas leaks as produced, and will directly affect insulating property and the arc extinction performance of electrical equipment, and even major accident occur; Meanwhile, the SF6 gas of leakage, owing to being decomposed by electric arc or reacting with some compositions in air, generates poisonous gas, will produce significant damage to staff.Therefore, most important to the monitoring of SF6 gas water content, density, temperature in electrical equipment, micro-water-mass density of SF6 gas is one of important parameter of electric power enterprise safe operation.
Traditional monitoring means is carried out the density of SF6 gas in measuring equipment.Export although also having reports to the police, measurement data can not teletransmission, is unfavorable for forming on-line monitoring system, brings hidden danger to safety in production; Meanwhile, due to the restriction of installation of electrical equipment, a lot of measuring point is positioned at the position being difficult to directly observe, brings very burden, also do not meet the trend of national grid Intelligent transformer station to daily measurement and record.
Although also have some SF6 on-line measuring devices at present, also existing defects in reliability and long-time stability.
Utility model content
The purpose of this utility model there are provided a kind of SF6 gas small water density synthetic sensor, and solving traditional sensor cannot carry out on-line checkingi, detects trouble, and the problem of the sensor of on-line checkingi existing defects in reliability and long-time stability.
For achieving the above object, the technical solution of the utility model is as follows:
A kind of SF6 gas small water density synthetic sensor, comprises the sensor main body of three-way connection formula, singlechip chip; Described singlechip chip is built in described sensor main body; Described singlechip chip is provided with pressure transducer, humidity sensor and temperature sensor; The three-way connection of described sensor is respectively communication cable interface, surveys gas port and gas supplementing opening; Described singlechip chip and described sensor main body adopt all-welded structure, and described sensor main body internal partition is broken into upper and lower two parts; Described sensor main body top is communication cable interface, and bottom is for surveying gas port and gas supplementing opening.
Preferably, described gas supplementing opening is the self-styled interface of inflation.
Preferably, the material of described three-way connection is copper.
Preferably, described survey gas port and gas supplementing opening are provided with O-ring seal.
Pass through technique scheme, the SF6 gas small water density synthetic sensor that the utility model provides, following technique effect can be realized: the utility model is connected with micro-water IED by communication cable interface, the utility model carries out real-time data acquisition to the water cut of the insulating gas in high-tension apparatus, pressure and temperature, by multiprecision arithmetic, gaseous tension is converted to density, use RS485 bus transfer digital measurement to transfer to micro-water IED, decrease the error introduced in analog quantity transmitting procedure; The utility model inside adopts all-welded structure, has stopped the hidden danger of leaking gas; The utility model is owing to possessing high reliability and long-time stability simultaneously, and possesses the function of on-line proving, avoids the work such as some unnecessary periodic calibrations.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described.
Fig. 1 is the structural representation of the SF6 gas small water density synthetic sensor disclosed in the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described.
Composition graphs 1, the SF6 gas small water density synthetic sensor that the utility model provides, mainly comprises sensor main body 1 and singlechip chip 2; Sensor main body 1 is in three-way connection formula, and singlechip chip 2 is built in sensor main body 1; Singlechip chip 2 is provided with pressure transducer 6, humidity sensor 7 and temperature sensor 8, is respectively used to detected pressures, water cut and temperature; The three-way connection of sensor is respectively communication cable interface 3, surveys gas port 4 and gas supplementing opening 5.Communication cable interface 3 is connected with micro-water IED with order wire by power lead, and micro-water IED provides power supply for the utility model, and accepts the data of the utility model acquisition process by order wire; Survey gas port 4 to be connected with Devices to test, gather the gas in Devices to test; Gas supplementing opening 5 can be the self-styled interface of inflation, and for being filled with SF6 gas or other gas in Devices to test, gas supplementing opening 5 is in closed state when measuring; The material of three-way connection is preferably copper; Survey gas port 4 and gas supplementing opening 5 are provided with O-ring seal, increase impermeability of the present utility model.Singlechip chip 2 and sensor main body 1 adopt all-welded structure, and sensor main body internal partition is broken into upper and lower two parts; Sensor main body top is communication cable interface 3, and bottom is for surveying gas port 4 and gas supplementing opening 5; So upper and lower two parts separate can increase reliability of the present utility model, and preventing ambient atmos from entering from communication cable interface affects monitoring result.
The utility model is by external micro-water IED, power supply is provided by micro-water IED, adopt advanced sensing technology, singlechip technology, mechanics of communication, modern physics analysis and control is theoretical, by the water cut of the insulating gas in the utility model device under test, pressure and temperature carries out real-time data acquisition, by multiprecision arithmetic, gaseous tension is converted to density, use RS485 bus transfer digital measurement, decrease the error introduced in analog quantity transmitting procedure, after data transfer to micro-water IED, by micro-water IED, data are further processed, and can carry out with backstage automation control system being further connected or wired with other, wireless network connects.Reliability of the present utility model and long-time stability good.
To be apparent for those skilled in the art to the multiple amendment of embodiment, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (4)
1. a SF6 gas small water density synthetic sensor, is characterized in that, comprises the sensor main body of three-way connection formula, singlechip chip; Described singlechip chip is built in described sensor main body; Described singlechip chip is provided with pressure transducer, humidity sensor and temperature sensor; The three-way connection of described sensor is respectively communication cable interface, surveys gas port and gas supplementing opening; Described singlechip chip and described sensor main body adopt all-welded structure, and described sensor main body internal partition is broken into upper and lower two parts; Described sensor main body top is communication cable interface, and bottom is for surveying gas port and gas supplementing opening.
2. SF6 gas small water density synthetic sensor according to claim 1, is characterized in that, described gas supplementing opening is the self-styled interface of inflation.
3. SF6 gas small water density synthetic sensor according to claim 1, is characterized in that, the material of described three-way connection is copper.
4. SF6 gas small water density synthetic sensor according to claim 1, is characterized in that, described survey gas port and gas supplementing opening are provided with O-ring seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420450448.9U CN204044019U (en) | 2014-08-11 | 2014-08-11 | A kind of SF6 gas small water density synthetic sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420450448.9U CN204044019U (en) | 2014-08-11 | 2014-08-11 | A kind of SF6 gas small water density synthetic sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204044019U true CN204044019U (en) | 2014-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420450448.9U Expired - Fee Related CN204044019U (en) | 2014-08-11 | 2014-08-11 | A kind of SF6 gas small water density synthetic sensor |
Country Status (1)
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| CN (1) | CN204044019U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104655523A (en) * | 2015-01-28 | 2015-05-27 | 杭州申昊科技股份有限公司 | On-line monitoring device and system for SF6 trace water density |
| CN107255601A (en) * | 2017-07-20 | 2017-10-17 | 合肥裕朗机电科技有限公司 | A kind of transformer SF6 gas density is measuring apparatus |
| CN118347897A (en) * | 2024-06-17 | 2024-07-16 | 常州赛格电子仪器有限公司 | GIS on-line micro-water density monitoring system |
-
2014
- 2014-08-11 CN CN201420450448.9U patent/CN204044019U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104655523A (en) * | 2015-01-28 | 2015-05-27 | 杭州申昊科技股份有限公司 | On-line monitoring device and system for SF6 trace water density |
| CN107255601A (en) * | 2017-07-20 | 2017-10-17 | 合肥裕朗机电科技有限公司 | A kind of transformer SF6 gas density is measuring apparatus |
| CN107255601B (en) * | 2017-07-20 | 2020-05-08 | 合肥裕朗机电科技有限公司 | Transformer SF6 gas density measuring equipment |
| CN118347897A (en) * | 2024-06-17 | 2024-07-16 | 常州赛格电子仪器有限公司 | GIS on-line micro-water density monitoring system |
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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 |
Granted publication date: 20141224 Termination date: 20150811 |
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| EXPY | Termination of patent right or utility model |