CN201314891Y - On-line micro water content measuring device - Google Patents
On-line micro water content measuring device Download PDFInfo
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- CN201314891Y CN201314891Y CNU2008202173541U CN200820217354U CN201314891Y CN 201314891 Y CN201314891 Y CN 201314891Y CN U2008202173541 U CNU2008202173541 U CN U2008202173541U CN 200820217354 U CN200820217354 U CN 200820217354U CN 201314891 Y CN201314891 Y CN 201314891Y
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- sensor
- air chamber
- indicator gauge
- circuit board
- sensor air
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Abstract
The utility model discloses an on-line micro water density measuring device, which comprises a sensor air chamber. An indicating meter is connected with the sensor air chamber; a sensor is arranged inside the sensor air chamber; a power supply incoming terminal and an infrared ray remote control receiving terminal are arranged on the indicating meter; a circuit board is arranged inside the indicating meter; the sensor, the power supply incoming terminal and the infrared ray remote control receiving terminal are connected with the circuits on the circuit board respectively; and the sensor transmits the measured data to the indicating meter. The on-line micro water density measuring device is directly connected into SF6 electrical equipment to realize 24hr on-line measurement of the water content in SF6 gas, and can directly upload the measured data to a monitoring room; and the data display is visual and clear, so that an operator can monitor the operating state of electrical equipment at any moment, thereby reducing power-off time and accident loss and improving the operating efficiency of equipment.
Description
Technical field
The utility model relates to measures detection technique field, the online water-mass density measurement mechanism that declines that the especially a kind of SF6 of being used for electrical equipment is monitored SF6 gas contained humidity density.
Background technology
SF
6(sulfur hexafluoride) gas is widely used in the electrical equipment of high voltage, high capacity, high parameter because of its good insulation performance performance and stable chemical constitution, the high-tension switch gear of normal operation, its SF
6Contained moisture is very low in the gas, exceed standard as moisture, can cause the switch insulation performance to reduce, cause high-voltage breakdown, because the decline of insulating property will produce shelf depreciation near switch ends, the time has been grown and has caused the connectivity flashover easily, directly influence the break performance of high-voltage switch gear, simultaneously SF
6Gas is decomposed the compound that the back produces by electric arc, can produce corrosive attack to metal object and insulating part, shortens the serviceable life of high-voltage switch gear thus.Therefore in the use of high-voltage switch gear, moisture in the necessary regular or irregular detected gas, at present the basic skills that adopts is that equipment user please metrological service or self utilize the portable micro-water pick-up unit to come moisture in the detected gas, during detection this device is fixed on the gas filling mouth of high-voltage switch gear, discharges SF
6Gas; because extraneous moisture is higher than tens times of the interior gas moistures of switch; therefore need to discharge at least ten minutes ability and reach the test balance; and the gas that has discharged after having detected can't fill back in the protection air chamber of high-voltage switch gear; the switch blanket gas is caused serious waste, as emit and can cause severe contamination atmosphere.
The utility model content
The purpose of this utility model is: overcome the deficiencies in the prior art, a kind of online water-mass density measurement mechanism that declines is provided, it can be to SF
6SF in the electrical equipment
6Gas contained humidity density is carried out online measurement control.
The technical scheme that its purpose that realizes the utility model adopts is: a kind of online water-mass density measurement mechanism that declines, has the sensor air chamber, be connected with indicator gauge on the sensor air chamber, be provided with sensor in the sensor air chamber, indicator gauge is provided with power access end and infra-red remote control receives terminal, be provided with circuit board in the indicator gauge, sensor, power access end and infra-red remote control receive terminal and are connected with circuit board line respectively, and sensor is transferred to indicator gauge with measurement data.
For easy to connect, described sensor air chamber one end leads to by switching two and is connected with indicator gauge, the other end is connected with threeway, wherein one leading to and be connected to the pipe adapter that can be connected with institute's measurement equipment during this threeway other two is logical is connected with the check (non-return) valve that may command gas enters the sensor air chamber on another logical position.
For convenience measurement data is transferred to Control Room, so that observe SF at any time
6SF in the electrical equipment
6The situation of gas contained humidity density, indicator gauge is provided with data output end, and is more directly perceived for data presentation, also is provided with LCDs on the indicator gauge, and data output end is connected with circuit board line respectively with LCDs.
The beneficial effects of the utility model are that the utility model has adopted directly measurement mechanism is received SF
6Method in the electrical equipment can realize 24 hours online detection SF
6Moisture density in the gas, and the survey data directly can be uploaded to Control Room, the data presentation ocular and clear so that operating personnel observe the operation conditions of electrical equipment at any time, has reduced power off time and causality loss, has improved the operational efficiency of equipment.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a structural representation of the present utility model.
1. sensor air chambers, 2. indicator gauges, 3. sensors, 4. power access ends, 5. switchings, two logical 6. threeways, 7. pipe adapters, 8. check (non-return) valves, 9. data output ends, 10. LCDs, 11. infra-red remote controls receive terminal among the figure
Embodiment
A kind of online water-mass density measurement mechanism that declines as shown in Figure 1, has sensor air chamber 1, be connected with indicator gauge 2 on the sensor air chamber 1, in sensor air chamber 1, be provided with sensor 3, sensor air chamber 1 and indicator gauge 2 two logical 5 are threaded by transferring, right positions at indicator gauge 2 is provided with power access end 4, be provided with infra-red remote control on indicator gauge 2 surfaces and receive terminal 11, be convenient to operation control, be provided with circuit board in the indicator gauge 2, sensor 3, power access end 4 receives terminal 11 with infra-red remote control and is connected with circuit board line respectively, sensor 3 with measured data transmission to indicator gauge 2.
For easy to connect, be connected with indicator gauge 2 by switching two logical 5 at sensor air chamber 1 one ends, the other end is connected with threeway 6, wherein one leading to and be connected to the pipe adapter 7 that can be connected during this threeway 6 other two is logical with institute's measurement equipment, be connected with the check (non-return) valve 8 that may command gas enters sensor air chamber 1 on another logical position, the push rod of this check (non-return) valve 8 can play path and the effect of opening circuit to gas piping, when measurement mechanism need overhaul or change parts, can prevent SF
6The effusion of gas.
Be provided with data output end 9 in indicator gauge 2 upper left side positions, so just can easily measurement data be transferred to Control Room, so that observe SF at any time
6SF in the electrical equipment
6The situation of gas contained humidity density, indicator gauge also is provided with LCDs 10 on 2 surfaces, makes data presentation more visual and clear, and data output end 9 is connected with circuit board line respectively with LCDs 10.
This use is in use novel, is installed to the SF that will detect by pipe adapter 7 again after should vacuumizing it earlier
6In the electrical equipment, the water-mass density measurement mechanism that declines inserts SF when this is online
6Behind the electrical equipment, turn check (non-return) valve 8, the push rod of check (non-return) valve 8 is retreated, connect gas piping in the threeway 6, because the gas in the measurement mechanism need reach mobile equilibrium with the gas in the equipment, at this moment a change curve that earlier rises and afterwards descend will appear in the little water-mass density value that shows on LCDs 10, and slowly be reduced to SF in the equipment
6Little water-mass density value of gas.The utility model has adopted directly measurement mechanism has been received SF
6Method in the electrical equipment can realize 24 hours online detection SF
6Moisture density in the gas, simple to operate, data presentation is directly perceived, is a kind of to SF
6SF in the electrical equipment
6The desirable measuring instrument that gas contained humidity density is monitored in real time.
Claims (4)
1. online water-mass density measurement mechanism that declines, it is characterized in that: have sensor air chamber (1), be connected with indicator gauge (2) on the sensor air chamber (1), be provided with sensor (3) in the sensor air chamber (1), indicator gauge (2) is provided with power access end (4) and infra-red remote control receives terminal (11), indicator gauge is provided with circuit board in (2), sensor (3), power access end (4) and infra-red remote control receive terminal (11) and are connected with circuit board line respectively, and sensor (3) is transferred to indicator gauge (2) with measurement data.
2. the online water-mass density measurement mechanism that declines according to claim 1 is characterized in that: described sensor air chamber (1) one end is connected with indicator gauge (2) by switching two logical (5), and the other end is connected with threeway (6).
3. the online water-mass density measurement mechanism that declines according to claim 2 is characterized in that: wherein leading to and be connected to the pipe adapter (7) that can be connected with institute's measurement equipment of described threeway (6) is connected with check (non-return) valve (8) on another logical position.
4. the online water-mass density measurement mechanism that declines according to claim 1, it is characterized in that: described indicator gauge (2) is provided with data output end (9), be provided with LCDs (10) on indicator gauge (2) surface, data output end (9) is connected with circuit board line respectively with LCDs (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202173541U CN201314891Y (en) | 2008-12-01 | 2008-12-01 | On-line micro water content measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202173541U CN201314891Y (en) | 2008-12-01 | 2008-12-01 | On-line micro water content measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201314891Y true CN201314891Y (en) | 2009-09-23 |
Family
ID=41126690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202173541U Expired - Fee Related CN201314891Y (en) | 2008-12-01 | 2008-12-01 | On-line micro water content measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201314891Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101957355A (en) * | 2010-10-13 | 2011-01-26 | 上海哈德电气技术有限公司 | Comprehensive on-line monitoring device for SF6 gas density and micro-water |
| CN102109480A (en) * | 2009-12-28 | 2011-06-29 | 沈阳仪表科学研究院 | Micro water transmitter for high-voltage switch gas insulated switchgear (GIS) distribution room |
| CN102230811A (en) * | 2011-06-27 | 2011-11-02 | 常州爱特科技有限公司 | Gas on-line micro water content and density detection system |
| CN102262145A (en) * | 2011-04-02 | 2011-11-30 | 山东电力集团公司烟台供电公司 | Electrified test micro water interface special for SF6 inflating equipment |
| 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 |
| CN110687008A (en) * | 2019-11-12 | 2020-01-14 | 沈阳仪表科学研究院有限公司 | Multi-station vacuum aging device for micro-water sensor |
-
2008
- 2008-12-01 CN CNU2008202173541U patent/CN201314891Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102109480A (en) * | 2009-12-28 | 2011-06-29 | 沈阳仪表科学研究院 | Micro water transmitter for high-voltage switch gas insulated switchgear (GIS) distribution room |
| CN101957355A (en) * | 2010-10-13 | 2011-01-26 | 上海哈德电气技术有限公司 | Comprehensive on-line monitoring device for SF6 gas density and micro-water |
| CN102262145A (en) * | 2011-04-02 | 2011-11-30 | 山东电力集团公司烟台供电公司 | Electrified test micro water interface special for SF6 inflating equipment |
| CN102262145B (en) * | 2011-04-02 | 2013-08-21 | 国家电网公司 | Electrified test micro water interface special for SF6 inflating equipment |
| CN102230811A (en) * | 2011-06-27 | 2011-11-02 | 常州爱特科技有限公司 | Gas on-line micro water content and density detection system |
| 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 |
| CN110687008A (en) * | 2019-11-12 | 2020-01-14 | 沈阳仪表科学研究院有限公司 | Multi-station vacuum aging device for micro-water sensor |
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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: 20090923 Termination date: 20141201 |
|
| EXPY | Termination of patent right or utility model |