CN202329970U - Constant-temperature photoelectric measurement device for leakage of sulfur hexafluoride (SF6) - Google Patents
Constant-temperature photoelectric measurement device for leakage of sulfur hexafluoride (SF6) Download PDFInfo
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- CN202329970U CN202329970U CN2011201692389U CN201120169238U CN202329970U CN 202329970 U CN202329970 U CN 202329970U CN 2011201692389 U CN2011201692389 U CN 2011201692389U CN 201120169238 U CN201120169238 U CN 201120169238U CN 202329970 U CN202329970 U CN 202329970U
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Abstract
The utility model discloses a constant-temperature photoelectric measurement device for leakage of sulfur hexafluoride (SF6) and relates to the technical field of SF6 leakage measurement. A new SF6 concentration measurement structure and a new mode are integrally provided according to a constant-temperature cavity, a gas heating pipeline and a photoelectric monitoring technology. The front part of the device is connected with a gas intake device; by creating a constant-temperature standard test environment, influence of difference of gas to be measured and environment difference on a measurement result is eliminated; an insulating layer is arranged on a cavity body; a temperature control sensor and a heating device are arranged on the insulating layer; the gas heating pipeline is a snakelike metal pipe, the bottom of the gas heating pipeline is contacted with the heating device, and during intake of the gas, the heating process of the gas is finished; a photoelectric test system consists of a photoelectric surface, a mercury lamp and a high-voltage system; the mercury lamp excites the photoelectric surface to emit photoelectron; when the concentration of SF6 molecules is changed, the phase of light current is changed; and by measuring the change of the phase, the concentration of the SF6 can be measured. The constant-temperature photoelectric measurement device is applicable to accurate detection of leakage of a small amount of SF6, and hidden danger is avoided.
Description
Technical field
The utility model SF
6Leak the constant temperature photoelectric measuring device, relate to temperature control technology field, micro-SF
6The photoelectric measurement technical field.
Background technology
Along with the develop rapidly of electric power networks and electricity consumption cause, new requirement has been proposed also for the safe operation of electric power networks and electricity consumption; , use SF widely used specific to electric system
6The power equipment that gas insulate is like isolating switch, enclosed switch equipment, transformer, transducer etc., has simple in structure and safeguards advantages such as few, especially obtained application more and more widely in the high voltage field.Yet SF
6SF in the electric equipment can take place in electric equipment inevitably when operation
6Gas causes density to descend to external leakage phenomenon.Relevant statistical data shows, at SF
6In the fault of isolating switch, SF
6Gas leaks and accounts for 38%.Sulfur hexafluoride (SF
6) gas is one of six kinds of greenhouse gases finding at present.Since use, miscarriage or not by correct method to its reclaim, Regeneration Treatment, cause SF
6Gas and the poisonous analyte that under the high-temperature electric arc effect, produces are discharged in the atmosphere, and the environment of depending on for existence to the mankind brings pollution and destruction, gives the normal operation and the healthy deleterious impact of people of electric equipment simultaneously.And at SF
6When gas leaked, the electric equipment external humidification also can penetrate into electric equipment inside, caused SF in the equipment
6The increase of micro-water content in the gas.Work as SF
6When micro-water content is too high in the gas, can make the high-voltage electrical equipment operation have potential safety hazard, even the heavy economic losses that causes personal safety and can't retrieve, for stopping the generation of above-mentioned situation, all adopt various instrument monitoring SF at present
6Gas leakage situation, detection technique mainly contain electrochemical process ultraviolet ionization method, high-voltage breakdown etc., and still, because site environment is various, these measuring mode exist because of the elegant bigger situation of ambient temperature effect, thereby cause the SF to trace
6Leakage measuring instrumentation is inaccurate, can't find potential faults in early days, still can't stop potential safety hazard and take place.Therefore need a kind of reliable SF
6Leakage monitoring method.In view of designer's in the present patent application professional knowledge be engaged in the rich experiences of industry work and to the excelsior unremitting pursue of cause, to take " photoelectricity test SF in the constant temperature chamber
6" gordian technique, provide SF
6The new construction of leakage measuring instrumentation and new mode; Thus; The utility model is exactly conscientious and on sufficient investigation, understanding, analysis, summary prior art and the present situation basis, for overcoming and solving that the deficiency, defective and the drawback that exist in prior art and the real current situation succeed in developing.
The utility model content
SF
6Leak the constant temperature photoelectric measuring device, it is characterized in that: mainly constitute by constant temperature cavity, thermal insulating layer, air intake opening, snakelike draft tube, well heater, temperature sensor, mercury lamp, photoelectric surface, high-pressure system, accelerating electrode, mercury lamp controller, heating controller, signal output unit, gas outlet, shock bracket;
Photoelectricity test SF in the said constant temperature cavity
6Its constant temperature cavity inner wall is installed the thermal insulating layer, and heating controller, mercury lamp controller and signal output unit are realized the maintenance of measurement environment, and air intake opening and gas outlet provide the access way of gas circuit; Air intake opening is connected with snakelike draft tube at the constant temperature cavity inner wall; Snakelike draft tube is naked metallic conduit, and the well heater skin is that the good ceramic insulation sheath shape structure of heat conductivility and temperature sensor, heating controller are formed the constant temperature cavity together; Mercury lamp controller, signal output unit, photoelectric surface and accelerating electrode are measuring mechanism, and this signal is through signal output unit output.
Through the utility model, taking into full account on-the-spot SF
6Under the actual state prerequisite that test needs, implement " photoelectricity test SF in the constant temperature cavity
6" gordian technique, accurately detect on-the-spot SF
6Leakage situation, make the SF of power equipment trace in service
6Leakage obtains immediately monitoring, fundamentally stops the generation of potential safety hazard, solves the deficiency, defective and the drawback that exist in prior art and the present situation effectively, and its design science rationally, simple and ingenious structure, effect stability be reliable, be beneficial to and apply.
The utility model can accomplish the end in view.
For realizing above-mentioned purpose, the technical scheme that the utility model provides is:
Described SF
6Leak the constant temperature photoelectric measuring device, it is characterized in that: mainly constitute by constant temperature cavity, thermal insulating layer, air intake opening, snakelike draft tube, well heater, temperature sensor, mercury lamp, photoelectric surface, high-pressure system, accelerating electrode, mercury lamp controller, heating controller, signal output unit, gas outlet, shock bracket;
Photoelectricity test SF in the said constant temperature cavity
6Its constant temperature cavity inner wall is installed the thermal insulating layer, and heating controller, mercury lamp controller and signal output unit are realized the maintenance of measurement environment, and air intake opening and gas outlet provide the access way of gas circuit; Air intake opening is connected with snakelike draft tube at the constant temperature cavity inner wall; Snakelike draft tube is naked metallic conduit, and the well heater skin is that the good ceramic insulation sheath shape structure of heat conductivility and temperature sensor, heating controller are formed the constant temperature cavity together; Mercury lamp controller, signal output unit, photoelectric surface and accelerating electrode are measuring mechanism, and this signal is through signal output unit output.
Described SF
6Leak the constant temperature photoelectric measuring device, it is characterized in that: the thermal insulating layer is insulation sealing layer structure, and said heating controller, mercury lamp controller and signal output unit are box like structure, air intake opening and gas outlet taper tubular structure.
Described SF
6Leak the constant temperature photoelectric measuring device, it is characterized in that: snakelike draft tube, well heater and temperature sensor, heating controller are formed the constant temperature cavity together; The constant temperature cavity is provided with the thermal insulating layer.
Owing to adopted the technical scheme that the utility model provided, thereby made the utility model compare, obtained following beneficial effect with existing known technology:
1, because the utility model is provided with the constant temperature cavity, thereby obtains more reliable and more stable measurement effect, stopped Effect of Environmental.
2, because the utility model is provided with snakelike heating arrangement and linear temperature sensing device, under the automatic control system effect, can regulate by automated closed-loop, have the high beneficial effect of good, the intelligent degree of state of a control.
3, because the utility model adopts mercury lamp exciting light electronics, be provided with high-pressure system, thereby obtained the high beneficial effect of measurement sensitivity.
4, because the sealed air-space design is taked in the utility model setting, gas flow rate can be regulated, and has the autostable air stream mechanism, thereby has obtained high conforming measurement effect under the very big concentration dynamic range.
5, because hermetically-sealed construction is taked in the utility model setting, the control of measuring system automated closed-loop, volume is little, and is low in energy consumption, has the beneficial effect of being convenient to the I&M maintenance.
6, because the utility model is provided with thermal insulating layer, encapsulating layer, sheath, can be thereby obtained to SF
6The photoelectricity precision measurement assembly that leaks is implemented the effectively beneficial effect of protection.
7,, thereby obtained fundamentally to stop the beneficial effect of potential safety hazard because each bar of the utility model is said.
8,, thereby obtained SF because above each bar of the utility model is said
6Measuring accuracy on the leakage measuring instrumentation, sensitivity and consistance have the beneficial effect of great raising.
9,, thereby obtained to overcome and solve the beneficial effect that has the deficiency, defective and the drawback that exist in known technology and the real current situation because each bar of the utility model is said.
10, because each bar of the utility model is said, thus obtained design science rationally, simple and ingenious structure, effect stability be reliable, be beneficial to the beneficial effect of applying.
Description of drawings
Figure of description is the structural representation of the utility model embodiment.
Label among the figure: constant temperature cavity (1), thermal insulating layer (2), air intake opening (3), snakelike draft tube (4), well heater (5), temperature sensor (6), mercury lamp (7), photoelectric surface (8), high-pressure system (9), accelerating electrode (10), mercury lamp controller (11), heating controller (12), signal output unit (13), gas outlet (14), shock bracket (15) constitute;
Embodiment
Below in conjunction with Figure of description, the utility model is described in detail.Shown in Figure of description:
1, SF
6Leak the constant temperature photoelectric measuring device, it is characterized in that: mainly constitute by constant temperature cavity (1), thermal insulating layer (2), air intake opening (3), snakelike draft tube (4), well heater (5), temperature sensor (6), mercury lamp (7), photoelectric surface (8), high-pressure system (9), accelerating electrode (10), mercury lamp controller (11), heating controller (12), signal output unit (13), gas outlet (14), shock bracket (15);
Photoelectricity test SF in the said constant temperature cavity
6Its constant temperature cavity (1) inwall is installed thermal insulating layer (2); Heating controller (12), mercury lamp controller (11) and signal output unit (13) are realized the maintenance of measurement environment; Air intake opening (3) and gas outlet (14) provide the access way of gas circuit, and air intake opening (3) is connected with snakelike draft tube (4) at constant temperature cavity (1) inwall, and snakelike draft tube (4) is naked metallic conduit; Well heater (5) skin is the good ceramic insulation sheath shape structure of heat conductivility; And temperature sensor (6), heating controller (12) form the constant temperature cavity together, and mercury lamp controller (11), signal output unit (13), photoelectric surface (8) and accelerating electrode (10) are measuring mechanism, and this signal is through signal output unit (13) output.
2, SF
6Leak the constant temperature photoelectric measuring device; It is characterized in that: thermal insulating layer (2) is insulation sealing layer structure; Said heating controller (12), mercury lamp controller (11) and signal output unit (13) are box like structure, air intake opening (3) and gas outlet (14) taper tubular structure.
3, SF
6Leak the constant temperature photoelectric measuring device, it is characterized in that: snakelike draft tube (4), well heater (5), temperature sensor (6) and heating controller (12) are formed constant temperature cavity (1) together.
The utility model has carried out property on probation examination after making and finishing, and through examination on probation, has obtained the good result of expection.
The above is merely the preferred embodiment of the utility model, is not the utility model is done any pro forma restriction; The those of ordinary skill of all industry, but all shown in the by specification accompanying drawing and the above, and implement the utility model swimmingly; But, allly be familiar with the professional and technical personnel, in not breaking away from the utility model technical scheme scope, the technology contents that is disclosed more than capable of using, and a little change of making, modify the equivalent variations with differentiation, be the equivalent embodiment of the utility model; Simultaneously, all essence technology according to the utility model to the change of any equivalent variations that above embodiment did, modify with differentiation etc., all still belong in the scope of technical scheme of the utility model.
Claims (3)
1.SF
6Leak the constant temperature photoelectric measuring device, it is characterized in that: mainly constitute by constant temperature cavity (1), thermal insulating layer (2), air intake opening (3), snakelike draft tube (4), well heater (5), temperature sensor (6), mercury lamp (7), photoelectric surface (8), high-pressure system (9), accelerating electrode (10), mercury lamp controller (11), heating controller (12), signal output unit (13), gas outlet (14), shock bracket (15);
Photoelectricity test SF in the said constant temperature cavity
6Its constant temperature cavity (1) inwall is installed thermal insulating layer (2); Heating controller (12), mercury lamp controller (11) and signal output unit (13) are realized the maintenance of measurement environment; Air intake opening (3) and gas outlet (14) provide the access way of gas circuit, and air intake opening (3) is connected with snakelike draft tube (4) at constant temperature cavity (1) inwall, and snakelike draft tube (4) is naked metallic conduit; Well heater (5) skin is the good ceramic insulation sheath shape structure of heat conductivility; And temperature sensor (6), heating controller (12) form the constant temperature cavity together, and mercury lamp controller (11), signal output unit (13), photoelectric surface (8) and accelerating electrode (10) are measuring mechanism, and this signal is through signal output unit (13) output.
2. SF according to claim 1
6Leak the constant temperature photoelectric measuring device; It is characterized in that: thermal insulating layer (2) is insulation sealing layer structure; Said heating controller (12), mercury lamp controller (11) and signal output unit (13) are box like structure, air intake opening (3) and gas outlet (14) taper tubular structure.
3. SF according to claim 1
6Leak the constant temperature photoelectric measuring device, it is characterized in that: snakelike draft tube (4), well heater (5), temperature sensor (6) and heating controller (12) are formed constant temperature cavity (1) together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201692389U CN202329970U (en) | 2011-05-25 | 2011-05-25 | Constant-temperature photoelectric measurement device for leakage of sulfur hexafluoride (SF6) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201692389U CN202329970U (en) | 2011-05-25 | 2011-05-25 | Constant-temperature photoelectric measurement device for leakage of sulfur hexafluoride (SF6) |
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| Publication Number | Publication Date |
|---|---|
| CN202329970U true CN202329970U (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201692389U Expired - Lifetime CN202329970U (en) | 2011-05-25 | 2011-05-25 | Constant-temperature photoelectric measurement device for leakage of sulfur hexafluoride (SF6) |
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| CN (1) | CN202329970U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006923A (en) * | 2014-02-19 | 2014-08-27 | 宁波南车新能源科技有限公司 | Supercapacitor gas tightness detection method and gas tightness detection machine |
| CN107643104A (en) * | 2017-10-30 | 2018-01-30 | 佛山科学技术学院 | A kind of multipurpose test system controlled with high/low temperature and atmosphere |
| CN109374238A (en) * | 2018-11-20 | 2019-02-22 | 厦门通士达照明有限公司 | The gas leak detection device of LED lamp tube |
| CN109884260A (en) * | 2019-04-12 | 2019-06-14 | 国网江苏省电力有限公司 | A kind of air-path control system, method and gas insulated combined electrical equipment GIS device |
-
2011
- 2011-05-25 CN CN2011201692389U patent/CN202329970U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006923A (en) * | 2014-02-19 | 2014-08-27 | 宁波南车新能源科技有限公司 | Supercapacitor gas tightness detection method and gas tightness detection machine |
| CN104006923B (en) * | 2014-02-19 | 2016-06-01 | 宁波中车新能源科技有限公司 | Ultracapacitor air-tightness detection method and air tightness detection machine |
| CN107643104A (en) * | 2017-10-30 | 2018-01-30 | 佛山科学技术学院 | A kind of multipurpose test system controlled with high/low temperature and atmosphere |
| CN109374238A (en) * | 2018-11-20 | 2019-02-22 | 厦门通士达照明有限公司 | The gas leak detection device of LED lamp tube |
| CN109884260A (en) * | 2019-04-12 | 2019-06-14 | 国网江苏省电力有限公司 | A kind of air-path control system, method and gas insulated combined electrical equipment GIS device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120711 |
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| CX01 | Expiry of patent term |