CN214427335U - Device for monitoring hydrogen concentration inside oil-immersed bushing on line - Google Patents
Device for monitoring hydrogen concentration inside oil-immersed bushing on line Download PDFInfo
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- CN214427335U CN214427335U CN202023077641.7U CN202023077641U CN214427335U CN 214427335 U CN214427335 U CN 214427335U CN 202023077641 U CN202023077641 U CN 202023077641U CN 214427335 U CN214427335 U CN 214427335U
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- compartment
- hydrogen concentration
- circuit board
- metal mesh
- battery compartment
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 33
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 33
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 238000012544 monitoring process Methods 0.000 title claims abstract description 21
- 239000002184 metal Substances 0.000 claims abstract description 20
- 238000004891 communication Methods 0.000 claims abstract description 13
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 238000013500 data storage Methods 0.000 claims abstract description 7
- 150000002431 hydrogen Chemical class 0.000 claims abstract description 7
- 238000005192 partition Methods 0.000 claims abstract description 3
- 239000002033 PVDF binder Substances 0.000 claims description 6
- 229920002635 polyurethane Polymers 0.000 claims description 6
- 239000004814 polyurethane Substances 0.000 claims description 6
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical group [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 abstract description 2
- 238000012806 monitoring device Methods 0.000 abstract description 2
- 238000004364 calculation method Methods 0.000 abstract 1
- 238000009413 insulation Methods 0.000 abstract 1
- 238000007789 sealing Methods 0.000 abstract 1
- 238000012545 processing Methods 0.000 description 5
- 230000005684 electric field Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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- Arrangements For Transmission Of Measured Signals (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
在线监测油浸式套管内部氢气浓度装置。目前市场上存在的套管在线监测装置，需要通过电缆上传至监测系统进行计算并作出响应，与外界连通的引线不仅实用性不高，而且会对套管的密封性和绝缘强度造成影响，降低变压器运行的稳定性。本实用新型组成包括：环形金属网壳体（1），所述的环形金属网壳体内部设置有电池仓（3）和电路板仓（4），所述的电池仓和所述的电路板仓相互为120°夹角均匀排布且通过隔板（8）分隔，所述的电池仓内安装有电池（5），所述的电路板仓内安装有主控板（6），所述的主控板上集成有氢敏传感器（9）、微处理模块（10）、A/D转换模块（11）、数据存储模块（12）和无线通讯模块（13）。本实用新型用于在线监测油浸式套管内部氢气浓度。
A device for online monitoring of the hydrogen concentration inside the oil-immersed casing. The current bushing on-line monitoring device on the market needs to be uploaded to the monitoring system through the cable for calculation and response. The lead wire connected to the outside world is not only not practical, but also affects the sealing and insulation strength of the bushing, reducing the The stability of transformer operation. The utility model comprises: an annular metal mesh casing (1), a battery compartment (3) and a circuit board compartment (4) are arranged inside the annular metal mesh casing, the battery compartment and the circuit board The compartments are evenly arranged at an included angle of 120° and are separated by partitions (8). The battery compartment (5) is installed in the battery compartment, and the main control board (6) is installed in the circuit board compartment. A hydrogen sensor (9), a microprocessor module (10), an A/D conversion module (11), a data storage module (12) and a wireless communication module (13) are integrated on the main control board of the device. The utility model is used for online monitoring of the hydrogen concentration inside the oil-immersed casing.
Description
Technical Field
The utility model relates to a transformer bushing monitoring technology field, concretely relates to on-line monitoring oil-immersed type sheathed tube inside hydrogen concentration device.
Background
The oil paper insulating sleeve is an important part of a power transformer, insulating oil can generate characteristic gas mainly containing hydrogen under the combined action of electric heat, and explosion accidents can be caused if the internal discharge fault occurs when the concentration of the characteristic gas exceeds a critical value. In addition to damage to the bushing itself, explosion accidents can also cause damage to the transformer and adjacent equipment, thereby causing a power outage. The traditional transformer bushing monitoring needs offline operation, the working condition of the bushing in the running state cannot be accurately reflected, and the transformer bushing online monitoring technology is gradually promoted. The sensor is arranged in the transformer bushing, so that the original electric field and magnetic field in the bushing can be damaged, the bushing is distorted, and the potential hazard is caused to the stable operation of the transformer. The sleeve pipe on-line monitoring device who exists in the existing market needs to be uploaded to monitoring system through the cable and calculates and respond, and not only the practicality is not high with the lead wire of external intercommunication, can cause the influence to sheathed tube leakproofness and dielectric strength moreover, reduces the stability of transformer operation.
Disclosure of Invention
The utility model aims at providing an inside hydrogen concentration device of on-line monitoring oil-immersed sleeve pipe solves the problem that can not accurately monitor hydrogen concentration because of the intraductal electric field magnetic field distortion of joining sensor back cover, maintains the original structure of sleeve pipe, keeps its operating stability.
The above purpose is realized by the following technical scheme:
the utility model provides an inside hydrogen concentration device of oily formula sleeve pipe of on-line monitoring, its constitution includes: annular metal mesh casing, annular metal mesh casing inside be provided with battery compartment and circuit board storehouse, the battery compartment with circuit board storehouse evenly arrange for 120 contained angles each other and separate through the baffle, the battery compartment in install the battery, circuit board storehouse in install the main control board, the main control board on integrated hydrogen sensor, microprocessor module, AD conversion module, data storage module and the wireless communication module, the battery with the main control board between the electricity connect.
The device for monitoring the hydrogen concentration inside the oil immersed sleeve on line comprises a polyurethane/polyvinylidene fluoride waterproof breathable film wrapped outside an annular metal mesh shell, a wireless communication module and a battery bin, wherein the battery bin and a circuit board bin are fixed on the inner wall of the annular metal mesh shell through insulating glue.
Has the advantages that:
1. the utility model relates to an inside hydrogen concentration device of oil-immersed sleeve pipe of on-line monitoring adopts metal ring shape shell, through the electromagnetic shield, and the distortion can not take place for the intraductal electric field magnetic field of sensor back cover, improves the interference killing feature and the operating stability of modules such as sensor and wireless communication in the inner circuit main control board.
2. The utility model discloses a hydrogen sensitive sensor adopts 120 evenly distributed, and sensor group stable in structure effectively gathers the multiple data of different positions and hydrogen concentration's heterochange, effectively avoids one side trouble to lead to local hydrogen concentration too high sensor in the unable condition emergence of monitoring of opposite side often.
3. The utility model discloses a little processing module can carry out real-time processing to survey hydrogen concentration to report to the police to the external world through wireless communication module, need not to lead to the sleeve pipe outside, maintained the original structure of sleeve pipe, keep under the prerequisite of sleeve pipe operating stability, effectually send the early warning when the intraductal hydrogen concentration of cover is too high, the concentration change data of inside storage module record can be regularly traced back for the external data that provide sleeve pipe hydrogen concentration, do benefit to its law of analysis.
Description of the drawings:
FIG. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic structural diagram of a main control panel;
in the figure: 1. an annular metal mesh housing; 2. a polyurethane/polyvinylidene fluoride waterproof breathable film; 3. a battery compartment; 4. a circuit board compartment; 5. a battery; 6. a main control board; 7. an antenna; 8. a partition plate; 9. a hydrogen sensitive sensor; 10. a microprocessor module; 11. an A/D conversion module; 12. a data storage module; 13. a wireless communication module.
The specific implementation mode is as follows:
example 1:
the utility model provides an inside hydrogen concentration device of oily formula sleeve pipe of on-line monitoring, its constitution includes: annular metal mesh casing 1, annular metal mesh casing inside be provided with battery compartment 3 and circuit board storehouse 4, the battery compartment with circuit board storehouse evenly arrange and separate through baffle 8 for 120 contained angles each other, the battery compartment in install battery 5, circuit board storehouse in install main control board 6, main control board on the integration have hydrogen sensor 9, micro-processing module 10, AD conversion module 11, data storage module 12 and wireless communication module 13, the battery with the main control board between the electricity connect.
Example 2:
according to the device for monitoring the hydrogen concentration in the oil-immersed bushing on line in embodiment 1, the outer side of the annular metal mesh shell is wrapped with the polyurethane/polyvinylidene fluoride waterproof breathable film 2, the wireless communication module comprises an antenna 7, and the battery compartment and the circuit board compartment are fixed on the inner wall of the annular metal mesh shell by using insulating glue;
the working principle is as follows: the outer side of the annular metal mesh shell of the device for monitoring the hydrogen concentration in the oil-immersed sleeve on line is wrapped with a polyurethane/polyvinylidene fluoride waterproof breathable film, the polyurethane/polyvinylidene fluoride waterproof breathable film is a plastic blending film with improved hydrophobicity and breathability, water and oil can be prevented, gas can enter and exit the sleeve without being hindered, the inside of the metal mesh can be protected from being invaded by insulating oil of a transformer by the design, faults such as short circuit are caused, and the measurement of the hydrogen concentration is not influenced. The battery sets up three groups altogether with the main control board, totally six batteries and main control board, be contained angle 60 evenly arranged in annular metal mesh casing each other, fix in the casing with the insulating cement, it is even to make annular metal mesh casing load, sensor group stable in structure, the change of hydrogen concentration in the multi-angle monitoring sleeve pipe simultaneously, effectively avoid one side trouble to lead to local hydrogen concentration too high the condition emergence that the sensor can't be monitored at the opposite side when, electromagnetic interference between each other has also been reduced simultaneously, the stability of sensor operation has been increased. The sensor module uses a hydrogen sensitive sensor with the model number of MQ135, the hydrogen concentration can be converted into an electric signal to be sent to the micro-processing module, and the micro-processing module sends the processed signal to the A/D conversion module and the data storage module. The data storage module stores hydrogen concentration data, and data are extracted for analysis during periodic maintenance, so that the communication between the inside and the outside of the sleeve is avoided, and the running reliability of the sleeve is improved. The A/D conversion module sends signals to the wireless communication module, when the received value is larger than the set early warning value, the wireless communication module sends alarm information to an external receiver through the antennas in a radio mode, the external receiver starts alarming, the three antennas are evenly distributed along with the main control board, and the strength and the stability of transmitted radio signals are guaranteed.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023077641.7U CN214427335U (en) | 2020-12-19 | 2020-12-19 | Device for monitoring hydrogen concentration inside oil-immersed bushing on line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023077641.7U CN214427335U (en) | 2020-12-19 | 2020-12-19 | Device for monitoring hydrogen concentration inside oil-immersed bushing on line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214427335U true CN214427335U (en) | 2021-10-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023077641.7U Expired - Fee Related CN214427335U (en) | 2020-12-19 | 2020-12-19 | Device for monitoring hydrogen concentration inside oil-immersed bushing on line |
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| Country | Link |
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| CN (1) | CN214427335U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113063901A (en) * | 2021-04-06 | 2021-07-02 | 哈尔滨理工大学 | Device for monitoring hydrogen concentration inside oil-immersed bushing on line |
-
2020
- 2020-12-19 CN CN202023077641.7U patent/CN214427335U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113063901A (en) * | 2021-04-06 | 2021-07-02 | 哈尔滨理工大学 | Device for monitoring hydrogen concentration inside oil-immersed bushing on line |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211019 |
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| CF01 | Termination of patent right due to non-payment of annual fee |