CN209215531U - High-tension switch cabinet local discharge on-line monitoring device based on gas method - Google Patents
High-tension switch cabinet local discharge on-line monitoring device based on gas method Download PDFInfo
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- CN209215531U CN209215531U CN201821975509.8U CN201821975509U CN209215531U CN 209215531 U CN209215531 U CN 209215531U CN 201821975509 U CN201821975509 U CN 201821975509U CN 209215531 U CN209215531 U CN 209215531U
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Abstract
The utility model provides a kind of high-tension switch cabinet local discharge on-line monitoring device based on gas method, including valve, micro pump unit, Ultraluminescence detection sensor unit, microprocessor unit, O3Sensor unit, communications interface unit, power supply unit, display unit and push-button unit；Wherein, the air inlet of valve is connect with high-tension switch gear insulation gas chamber, and gas outlet is connect with micro pump unit；Micro pump unit is connect with Ultraluminescence detection sensor unit；Ultraluminescence detection sensor unit is connect with microprocessor unit；Valve, micro pump unit, O3Sensor unit, communications interface unit with, power supply unit, display unit, push-button unit connect with microprocessor unit respectively.The on-Line Monitor Device of the utility model can judge the degree whether shelf depreciation occurs and occur according to the decomposition product content of insulating gas, provide a kind of simple and effective method for high-tension switch gear partial discharge monitoring.
Description
Technical field
The utility model relates to technical field of electricity, and in particular to the high-tension switch cabinet shelf depreciation based on gas method is online
Monitoring.
Background technique
SF6Gas has good insulation performance and arc extinction performance, with SF6For the gas-insulated high-voltage switch of dielectric
Equipment has been increasingly becoming the main equipment in urban distribution network and ultra-high/extra-high voltage transmission system, and safe and reliable operation has ensured greatly
Middle urban electricity supply reliability.However, due to SF6Gas insulated electric apparatus in production and use process, easily occur burr,
The insulation defects such as metal particulate, these defects, which further will lead to, generates shelf depreciation, shelf depreciation meeting inside switchgear
So that SF6 is decomposed reaction, generates a series of low-fluorine sulfide.These low-fluorine sulfides further with micro- H in GIS2O、
Micro- O2And the reaction of the impurity such as organic matter, such as SO will be generated2F2、SOF2、SO2Etc. feature decompositions component, decomposition components will accelerate exhausted
Edge aging aggravates shelf depreciation process, and finally the safety and reliability to equipment entirety, which are brought, seriously threatens.And for air,
Insulating A High-Voltage switchgear shelf depreciation will make O in inside switch cabinet air2It is ionized into O3。
Utility model content
The utility model proposes a kind of thus high-tension switch cabinet local discharge on-line monitoring device based on gas method, can be with
The degree whether shelf depreciation occurs and occur is judged according to the decomposition product content of insulating gas, is locally put for high-tension switch gear
Pyroelectric monitor provides a kind of simple and effective method.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of high-tension switch cabinet local discharge on-line monitoring device based on gas method, including valve, micro pump unit, purple
Outer fluorescence detecting sensor unit, microprocessor unit, O3Sensor unit, communications interface unit, power supply unit, display unit
And push-button unit；
The air inlet of the valve is connect with high-tension switch gear insulation gas chamber, the air inlet of gas outlet and micro pump unit
Connection；The output end of the micro pump unit is connect with the input terminal of Ultraluminescence detection sensor unit；The Ultraluminescence
Corresponding I/O mouthfuls of connections of the signal output end of detection sensor unit and microprocessor unit；The valve, micro pump unit
I/O mouthfuls of control terminal output end corresponding with microprocessor unit connections, are controlled it by microprocessor unit；The O3It passes
Corresponding I/O mouthfuls of connections of the output end of sensor cell and microprocessor unit；The input terminal and Wei Chu of the communications interface unit
Manage the correspondence communication interface connection of device unit；The output end of the power supply unit and the corresponding power interface of microprocessor unit connect
It connects；I/O mouthfuls of the input terminal of display unit output end corresponding with microprocessor unit connections；The output of the push-button unit
Hold I/O mouthfuls of input terminal connections corresponding with microprocessor unit；
The Ultraluminescence detection sensor unit includes deep ultraviolet deuterium lamp light source, deuterium lamp optical filter, light source collimating mirror, gas
Room, measurement optical filter, measurement collimating mirror and photon counter；The light source that the deep ultraviolet deuterium lamp light source issues filters through deuterium lamp
Piece and light source collimating mirror enter gas chamber, and the measurement optical filter and measurement collimating mirror are used to assemble the light source into gas chamber, described
Photon counting probe vertical for receiving the fluorescence for entering gas chamber, and count to the indoor photon of gas and obtains SO in gas chamber2
Gas concentration.
Further, the ultraviolet spectra within the scope of the deep ultraviolet deuterium lamp light source output wavelength 190-230nm.
Further, the deuterium lamp optical filter and measurement optical filter are quartz lens.
Further, the micro pump unit is for treating the indoor SF of monitoring switch cabinet gas6Gas is constantly recycled,
To obtain true SF6Decomposition product SO2Gas concentration.
Further, the O3Sensor unit uses MQ131 gas sensor, and measurement concentration range is 10-
1000ppb。
Further, the display unit is for showing gas concentration and corresponding shelf depreciation degree.
Further, the microprocessor unit uses STM32 series microprocessor, passes for being detected according to Ultraluminescence
The SF of sensor cell acquisition6Decomposition product SO2Gas concentration and change rate of concentration, or according to O3The O of sensor unit acquisition3Concentration
And change rate is corresponding with shelf depreciation degree, obtains partial discharge of switchgear degree information.
Further, the communications interface unit is also used to work as and put for connecting external equipment, the microprocessor unit
When electric degree is exceeded, passes through communications interface unit and send remote alarms information.
The beneficial effects of the utility model are as follows:
1) Ultraluminescence detection sensor quantitative detection SF is utilized6Decomposition product SO2Corresponding fluorescence intensity, according to SO2Gas
Concentration and its fluorescence excited between there are good linear relationship, SO under various concentration2Fluorescence intensity it is different, Jin Ershi
Now to SF6Decomposition product SO2The detection of concentration.
2) according to SF6Decomposition product SO2Concentration level and mutation rate, and then realize the closed high-tension switch gear of gas-insulated
The indirect detection of internal shelf depreciation degree.
3) for air insualtion high voltage switchgear, inside switch cabinet can be made due to shelf depreciation according to inside switch cabinet
O in air2It is ionized into O3, according to O3Content and mutation rate, and then realize shelf depreciation journey inside air insualtion high voltage switchgear
The indirect detection of degree.
4) Ultraluminescence detection sensor uses deep ultraviolet deuterium lamp light source, steady within the scope of exportable wavelength 190-400nm
Determine ultraviolet spectra, the utility model excitation wavelength is selected in the uptake zone 190-230nm.
Detailed description of the invention
Fig. 1 is unit composition and the connection of the high-tension switch cabinet local discharge on-line monitoring device embodiment of the utility model
Relation schematic diagram.
Fig. 2 is that Ultraluminescence detection passes in the high-tension switch cabinet local discharge on-line monitoring device embodiment of the utility model
The structural schematic diagram of sensor cell.
Specific embodiment
For a further understanding of the utility model, the utility model preferred embodiment is retouched below with reference to embodiment
It states, but it is to be understood that these descriptions are only the feature and advantage for further illustrating the utility model, rather than practical to this
The limitation of novel claim.
The utility model embodiment provides a kind of high-tension switch cabinet local discharge on-line monitoring device based on gas method,
As shown in Figure 1 comprising valve, micro pump unit, Ultraluminescence detection sensor unit, microprocessor unit, O3Sensor
Unit, communications interface unit, power supply unit, display unit and push-button unit.
Wherein, the air inlet of valve is connect with high-tension switch gear insulation gas chamber, the air inlet of gas outlet and micro pump unit
Mouth connection；The output end of micro pump unit is connect with the input terminal of Ultraluminescence detection sensor unit；Ultraluminescence detection passes
Corresponding I/O mouthfuls of connections of the signal output end of sensor cell and microprocessor unit；Valve, micro pump unit control terminal with it is micro-
I/O mouthfuls of correspondence output end connections of processor unit, are controlled it by microprocessor unit；O3The output of sensor unit
Hold the corresponding I/O mouthfuls of connections with microprocessor unit；The communication corresponding with microprocessor unit of the input terminal of communications interface unit
Interface connection；The output end of power supply unit and the corresponding power interface of microprocessor unit connect；The input terminal of display unit with
I/O mouthfuls of correspondence output end connections of microprocessor unit；The corresponding input terminal of the output end of push-button unit and microprocessor unit
I/O mouthfuls of connections.
Specifically, as shown in Fig. 2, Ultraluminescence detection sensor unit include deep ultraviolet deuterium lamp light source, deuterium lamp optical filter,
Light source collimating mirror, gas chamber, measurement optical filter, measurement collimating mirror and photon counter；The light source that deep ultraviolet deuterium lamp light source issues is saturating
It crosses deuterium lamp optical filter and light source collimating mirror enters gas chamber, measurement optical filter and measurement collimating mirror are used to assemble the light into gas chamber
Source, the photon counting probe vertical for receiving the fluorescence for entering gas chamber, and count the indoor photon of gas in gas chamber
Obtain SO2Gas concentration.
Preferably, the purple in the present embodiment, within the scope of deep ultraviolet deuterium lamp light source output wavelength 190-230nm
External spectrum.
Preferably, in the present embodiment, deuterium lamp optical filter and measurement optical filter are quartz lens.
Preferably, in the present embodiment, micro pump unit is for treating the indoor SF of monitoring switch cabinet gas6Gas
Body is constantly recycled, to obtain true SF6Decomposition product SO2Gas concentration.
Preferably, in the present embodiment, O3Sensor unit uses MQ131 gas sensor, measures concentration
Range is 10-1000ppb.
Preferably, in the present embodiment, display unit is for showing gas concentration and corresponding shelf depreciation journey
Degree.
Preferably, in the present embodiment, microprocessor unit uses STM32 series microprocessor, is used for root
The SF acquired according to Ultraluminescence detection sensor unit6Decomposition product SO2Gas concentration and change rate of concentration, or according to O3Sensor
The O of unit acquisition3Concentration and change rate are corresponding with shelf depreciation degree, obtain partial discharge of switchgear degree information.
Preferably, in the present embodiment, communications interface unit is for connecting external equipment, thus when electric discharge journey
When spending exceeded, microprocessor unit can send remote alarms information by communications interface unit.
The method and its core concept of the above embodiments are only used to help understand the utility model.It should refer to
It out, for those skilled in the art, without departing from the principle of this utility model, can also be to this
Some improvement and modification can also be carried out for utility model, these improvement and modification also fall into the protection scope of the utility model claims
It is interior.
Claims (8)
1. a kind of high-tension switch cabinet local discharge on-line monitoring device based on gas method, it is characterised in that: including valve, micro
Pump unit, Ultraluminescence detection sensor unit, microprocessor unit, O3Sensor unit, communications interface unit, power supply list
Member, display unit and push-button unit；
The air inlet of the valve is connect with high-tension switch gear insulation gas chamber, and the air inlet of gas outlet and micro pump unit connects
It connects；The output end of the micro pump unit is connect with the input terminal of Ultraluminescence detection sensor unit；The Ultraluminescence inspection
Survey the signal output end of sensor unit and corresponding I/O mouthfuls of connections of microprocessor unit；The control of the valve, micro pump unit
I/O mouthfuls of end processed output end corresponding with microprocessor unit connections, are controlled it by microprocessor unit；The O3Sensing
Corresponding I/O mouthfuls of connections of the output end of device unit and microprocessor unit；The input terminal and micro process of the communications interface unit
The correspondence communication interface of device unit connects；The output end of the power supply unit and the corresponding power interface of microprocessor unit connect
It connects；I/O mouthfuls of the input terminal of display unit output end corresponding with microprocessor unit connections；The output of the push-button unit
Hold I/O mouthfuls of input terminal connections corresponding with microprocessor unit；
The Ultraluminescence detection sensor unit include deep ultraviolet deuterium lamp light source, deuterium lamp optical filter, light source collimating mirror, gas chamber,
Measure optical filter, measurement collimating mirror and photon counter；The light source that the deep ultraviolet deuterium lamp light source issues penetrates deuterium lamp optical filter
Enter gas chamber with light source collimating mirror, the measurement optical filter and measurement collimating mirror are used to assemble the light source into gas chamber, the light
Sub-count probe vertical for receiving the fluorescence for entering gas chamber, and count to the indoor photon of gas and obtains SO in gas chamber2Gas
Bulk concentration.
2. the high-tension switch cabinet local discharge on-line monitoring device based on gas method as described in claim 1, it is characterised in that:
Ultraviolet spectra within the scope of the deep ultraviolet deuterium lamp light source output wavelength 190-230nm.
3. the high-tension switch cabinet local discharge on-line monitoring device based on gas method as claimed in claim 2, it is characterised in that:
The deuterium lamp optical filter and measurement optical filter are quartz lens.
4. the high-tension switch cabinet local discharge on-line monitoring device based on gas method as described in claim 1, it is characterised in that:
The micro pump unit is for treating the indoor SF of monitoring switch cabinet gas6Gas is constantly recycled, to obtain true SF6Point
Solve object SO2Gas concentration.
5. the high-tension switch cabinet local discharge on-line monitoring device based on gas method as described in claim 1, it is characterised in that:
The O3Sensor unit uses MQ131 gas sensor, and measurement concentration range is 10-1000ppb.
6. the high-tension switch cabinet local discharge on-line monitoring device based on gas method as described in claim 1, it is characterised in that:
The display unit is for showing gas concentration and corresponding shelf depreciation degree.
7. the high-tension switch cabinet local discharge on-line monitoring device as claimed in any one of claims 1 to 6 based on gas method,
Be characterized in that: the microprocessor unit uses STM32 series microprocessor, for according to Ultraluminescence detection sensor unit
The SF of acquisition6Decomposition product SO2Gas concentration and change rate of concentration, or according to O3The O of sensor unit acquisition3Concentration and change rate
It is corresponding with shelf depreciation degree, obtain partial discharge of switchgear degree information.
8. the high-tension switch cabinet local discharge on-line monitoring device based on gas method as claimed in claim 7, it is characterised in that:
For connecting external equipment, the microprocessor unit is also used to pass through when degree of discharge is exceeded the communications interface unit
Communications interface unit sends remote alarms information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821975509.8U CN209215531U (en) | 2018-11-28 | 2018-11-28 | High-tension switch cabinet local discharge on-line monitoring device based on gas method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821975509.8U CN209215531U (en) | 2018-11-28 | 2018-11-28 | High-tension switch cabinet local discharge on-line monitoring device based on gas method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406966A (en) * | 2018-11-28 | 2019-03-01 | 杭州电力设备制造有限公司 | High-tension switch cabinet local discharge on-line monitoring device based on gas method |
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2018
- 2018-11-28 CN CN201821975509.8U patent/CN209215531U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406966A (en) * | 2018-11-28 | 2019-03-01 | 杭州电力设备制造有限公司 | High-tension switch cabinet local discharge on-line monitoring device based on gas method |
| CN109406966B (en) * | 2018-11-28 | 2023-12-08 | 杭州电力设备制造有限公司 | High-voltage switch cabinet partial discharge on-line monitoring device based on gas method |
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