CN204666249U - A kind of power transformer noise auxiliary detection device - Google Patents
A kind of power transformer noise auxiliary detection device Download PDFInfo
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- CN204666249U CN204666249U CN201520377103.XU CN201520377103U CN204666249U CN 204666249 U CN204666249 U CN 204666249U CN 201520377103 U CN201520377103 U CN 201520377103U CN 204666249 U CN204666249 U CN 204666249U
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- retractable rod
- expansion link
- detection device
- power transformer
- auxiliary detection
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- 238000001514 detection method Methods 0.000 title claims abstract description 21
- 238000009434 installation Methods 0.000 claims abstract description 17
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 5
- 239000004917 carbon fiber Substances 0.000 claims description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000005259 measurement Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000002828 fuel tank Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
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Abstract
The utility model discloses a kind of power transformer noise auxiliary detection device, comprise microphone installation component, retractable rod and bracket component, described microphone installation component is installed on described retractable rod upper end, described retractable rod lower end is connected with described bracket component, and retractable rod is provided with the securing member for fixing retractable rod collapsing length.Power transformer noise auxiliary detection device of the present utility model has microphone accurate positioning, and walkaway precision is high, greatly reduces the advantages such as tester's working strength.
Description
Technical field
The utility model relates to power transformer noise measurement technical field, is specifically related to a kind of power transformer noise auxiliary detection device.
Background technology
Noise pollution is listed in the whole world three and pollutes greatly together with water pollutions, atmospheric pollution.Noise pollution is to the able-bodied harm of people day by day by people are familiar with and concern, and in densely populated, economically developed large-and-medium size cities, noise pollution is more serious, and acoustic environment is just becoming the important indicator that people weigh environmental quality.Along with the fast development of China's electrical network cause, and government and the masses are to the raising gradually of electrical network environmental requirement, and the noise problem in project of transmitting and converting electricity becomes increasingly conspicuous, and transformer noise problem has become the focus that environmental protection is complained.In order to understand the sound radiation situation of power transformer, need to detect its noise emission.
China's standard regulation, when carrying out walkaway to transformer, needing regulation to detect outline line, need arrange two outline lines, lay respectively on the surface level at fuel tank height 1/3 place and 2/3 place for fuel tank height more than the transformer of 2.5m.Microphone is then placed on the outline line of regulation, and to each other apart from roughly equal, interval is not more than 1m.For large-scale power transformer, as electric pressure 500kV, 750kV and 1000kV transformer, its height can reach 5.5m, detect outline line longer, point position reaches dozens of, and when carrying out equivalent sound pressure level and measuring, each measuring point need test 1min, test duration is longer, and test job amount is larger.At present, carry out noise measurement mainly through the method be fixed on by microphone on extension rod, in test process, extension rod length can only be estimated by visual method, be difficult to accurately locate the position of microphone, causing point position not in same level, there is deviation in measurement result.For the outline line at fuel tank height 2/3 place, sometimes need people for lifting extension rod, during long-time test, staff's physical demands is larger.
In sum, existing methodical shortcoming is embodied in and accurately can not locates microphone position by relevant criterion requirement, cause measurement result to there is deviation, and survey crew working strength is higher when testing for a long time.
Utility model content
The technical problems to be solved in the utility model overcomes the deficiencies in the prior art, a kind of microphone accurate positioning is provided, can ensure that each observation station on same outline line is positioned in same level, improve walkaway precision, the power transformer noise auxiliary detection device of tester's working strength can be reduced again simultaneously.
For solving the problems of the technologies described above, the utility model is by the following technical solutions: a kind of power transformer noise auxiliary detection device, comprise microphone installation component, retractable rod and bracket component, described microphone installation component is installed on described retractable rod upper end, described retractable rod lower end is connected with described bracket component, and retractable rod is provided with the securing member for fixing retractable rod collapsing length.
Further improvement as technique scheme:
Described microphone installation component comprises the microphone joint, transmission cable and the sound meter joint that are electrically connected successively, and described microphone jiont treatment is in described retractable rod upper end.
Described microphone joint and described retractable rod hinged.
Described retractable rod comprises outside expansion link, intermediate warp bar and inner expansion link, described outside expansion link is sheathed on outside described intermediate warp bar, be sheathed on outside described expansion link outside described inner expansion link, described outside expansion link lower end is connected with described bracket component, described microphone installation component is installed on described inner expansion link upper end, described securing member is fastening bolt, and described fastening bolt is provided with two pieces and is located at described intermediate warp bar upper end and described outside expansion link upper end respectively.
Described intermediate warp bar and inner expansion link periphery are equipped with scale.
Described outside expansion link, intermediate warp bar and inner expansion link are made by carbon fiber.
Described bracket component comprises support bar, pull bar and slip ring, described support bar is provided with three and is evenly arranged along described retractable rod periphery, post upper and described retractable rod hinged, described slip ring is sheathed on described retractable rod, be equipped with a described pull bar between described three support bars and described slip ring, pull bar two ends respectively with described slip ring and described support bar hinged.
Described support bar, pull bar and slip ring are made by carbon fiber.
Compared with prior art, the utility model has the advantage of: power transformer noise auxiliary detection device of the present utility model, adopt retractable rod and the securing member be equipped with for fixing retractable rod collapsing length, when multi-measuring point walkaway being carried out to transformer after microphone being arranged on microphone installation component, the height of microphone can be adjusted and fix, ensure that the microphone on same outline line is in same level, improve noise measurement precision; Can bracket component being supported on ground, without the need to manually lifting, significantly reducing the working strength of tester.
Further, adopt the bracket component that support bar, pull bar and slip ring are formed, bracket component entirety is triangular in shape, and stability of strutting system is good, and can draw in neatly, launches, easy to use.
Further, support bar, outside expansion link, intermediate warp bar and inner expansion link etc. adopt carbon fibre materials, and intensity is high, quality is light, is convenient for carrying.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model power transformer noise auxiliary detection device.
In figure, each label represents: 1, microphone installation component; 11, microphone joint; 12, transmission cable; 13, sound meter joint; 2, retractable rod; 21, inner expansion link; 22, an expansion link; 23, outside expansion link; 3, bracket component; 31, support bar; 32, pull bar; 33, slip ring; 4, securing member; 41, fastening bolt.
Embodiment
Below with reference to Figure of description and specific embodiment, the utility model is described in further details.
As shown in Figure 1, the power transformer noise auxiliary detection device of the present embodiment, comprise microphone installation component 1, retractable rod 2 and bracket component 3, microphone installation component 1 is installed on retractable rod 2 upper end, retractable rod 2 lower end is connected with bracket component 3, retractable rod 2 is provided with the securing member 4 for fixing retractable rod 2 collapsing length, the power transformer noise auxiliary detection device of the present embodiment, adopt retractable rod 2 and the securing member 4 be equipped with for fixing retractable rod 2 collapsing length, when multi-measuring point walkaway being carried out to transformer after microphone being arranged on microphone installation component 1, the height of microphone can be adjusted and fix, ensure that the microphone on same outline line is in same level, improve noise measurement precision, bracket component 3 being supported on ground, without the need to manually lifting, significantly reducing the working strength of tester.
Microphone installation component 1 comprises the microphone joint 11, transmission cable 12 and the sound meter joint 13 that are electrically connected successively, microphone joint 11 is installed on retractable rod 2 upper end, microphone joint 11 is hinged with retractable rod 2, and microphone joint 11 can be rotated by relative telescopic bar assembly 2.In the present embodiment, maximum rotation angle is set as 90 °, is convenient to the setting angle adjusting microphone joint 11.
In the present embodiment, retractable rod 2 comprises outside expansion link 23, intermediate warp bar 22 and inner expansion link 21, outside expansion link 23 is sheathed on outside intermediate warp bar 22, between be sheathed on outside inner expansion link 21 outside expansion link 22, outside expansion link 23 lower end is connected with bracket component 3, microphone installation component 1 is installed on inner expansion link 21 upper end, and securing member 4 is fastening bolt 41, and fastening bolt 41 is provided with two pieces and is located at intermediate warp bar 22 upper end and outside expansion link 23 upper end respectively.After retractable rod 2 height control puts in place, screw two fastening bolts 41; After detection completes, outstanding pine two fastening bolts 41, can bounce back intermediate warp bar 22 and inner expansion link 21 again easily.
In the present embodiment, intermediate warp bar 22 and inner expansion link 21 periphery are equipped with scale, are convenient to adjust the length of stretching out.
In the present embodiment, bracket component 3 comprises support bar 31, pull bar 32 and slip ring 33, support bar 31 is provided with three and is evenly arranged along retractable rod 2 periphery, support bar 31 upper end and retractable rod 2 hinged, slip ring 33 is sheathed on retractable rod 2, a pull bar 32 is equipped with between three support bars 31 and slip ring 33, pull bar 32 two ends respectively with slip ring 33 and support bar 31 hinged, bracket component 3 is overall triangular in shape, stability of strutting system is good, and can draw in flexibly, launch, easy to use.
In the present embodiment, support bar 31, pull bar 32, slip ring 33, outside expansion link 23, intermediate warp bar 22 and inner expansion link 21 are made by carbon fiber, greatly can reduce the total quality of auxiliary detection device, and there is higher intensity, to be convenient for carrying and durable.
Although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model.Any those of ordinary skill in the art, when not departing from technical solutions of the utility model scope, the technology contents of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solutions of the utility model, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solutions of the utility model, according to the utility model technical spirit to any simple modification made for any of the above embodiments, equivalent variations and modification, all should drop in the scope of technical solutions of the utility model protection.
Claims (8)
1. a power transformer noise auxiliary detection device, it is characterized in that: comprise microphone installation component (1), retractable rod (2) and bracket component (3), described microphone installation component (1) is installed on described retractable rod (2) upper end, described retractable rod (2) lower end is connected with described bracket component (3), and retractable rod (2) is provided with the securing member (4) for fixing retractable rod (2) collapsing length.
2. power transformer noise auxiliary detection device according to claim 1, it is characterized in that: described microphone installation component (1) comprises the microphone joint (11), transmission cable (12) and the sound meter joint (13) that are electrically connected successively, and described microphone joint (11) is installed on described retractable rod (2) upper end.
3. power transformer noise auxiliary detection device according to claim 2, is characterized in that: described microphone joint (11) is hinged with described retractable rod (2).
4. power transformer noise auxiliary detection device according to claim 1, it is characterized in that: described retractable rod (2) comprises outside expansion link (23), intermediate warp bar (22) and inner expansion link (21), described outside expansion link (23) is sheathed on described intermediate warp bar (22) outward, described inner expansion link (21) is sheathed on outward outside described expansion link (22), described outside expansion link (23) lower end is connected with described bracket component (3), described microphone installation component (1) is installed on described inner expansion link (21) upper end, described securing member (4) is fastening bolt (41), described fastening bolt (41) is provided with two pieces and is located at described intermediate warp bar (22) upper end and described outside expansion link (23) upper end respectively.
5. power transformer noise auxiliary detection device according to claim 4, is characterized in that: described intermediate warp bar (22) and inner expansion link (21) periphery are equipped with scale.
6. power transformer noise auxiliary detection device according to claim 4, is characterized in that: described outside expansion link (23), intermediate warp bar (22) and inner expansion link (21) are made by carbon fiber.
7. power transformer noise auxiliary detection device according to any one of claim 1 to 6, it is characterized in that: described bracket component (3) comprises support bar (31), pull bar (32) and slip ring (33), described support bar (31) is provided with three and is evenly arranged along described retractable rod (2) periphery, support bar (31) upper end and described retractable rod (2) hinged, described slip ring (33) is sheathed on described retractable rod (2), a described pull bar (32) is equipped with between described three support bars (31) and described slip ring (33), pull bar (32) two ends respectively with described slip ring (33) and described support bar (31) hinged.
8. power transformer noise auxiliary detection device according to claim 7, is characterized in that: described support bar (31), pull bar (32) and slip ring (33) are made by carbon fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520377103.XU CN204666249U (en) | 2015-06-03 | 2015-06-03 | A kind of power transformer noise auxiliary detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520377103.XU CN204666249U (en) | 2015-06-03 | 2015-06-03 | A kind of power transformer noise auxiliary detection device |
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| Publication Number | Publication Date |
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| CN204666249U true CN204666249U (en) | 2015-09-23 |
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| CN201520377103.XU Active CN204666249U (en) | 2015-06-03 | 2015-06-03 | A kind of power transformer noise auxiliary detection device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106895907A (en) * | 2017-04-06 | 2017-06-27 | 贵州大学 | The device of portable transformer noise testing |
| CN109374121A (en) * | 2018-11-23 | 2019-02-22 | 温州市特种设备检测研究院 | A kind of microphone sensor array holder for noise monitoring |
| CN109883538A (en) * | 2019-03-25 | 2019-06-14 | 中国船舶重工集团公司第七一九研究所 | A kind of microphone mounting bracket and mounting device |
| CN113588068A (en) * | 2021-09-09 | 2021-11-02 | 国网上海市电力公司 | Power transformer noise auxiliary detection device and execution method |
| WO2024131229A1 (en) * | 2022-12-20 | 2024-06-27 | 国网河南省电力公司电力科学研究院 | Method for constructing transverse audible noise model of transmission corridor, microphone support device, and audible noise measurement apparatus |
-
2015
- 2015-06-03 CN CN201520377103.XU patent/CN204666249U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106895907A (en) * | 2017-04-06 | 2017-06-27 | 贵州大学 | The device of portable transformer noise testing |
| CN109374121A (en) * | 2018-11-23 | 2019-02-22 | 温州市特种设备检测研究院 | A kind of microphone sensor array holder for noise monitoring |
| CN109374121B (en) * | 2018-11-23 | 2020-08-18 | 温州市特种设备检测研究院 | Microphone sensor array clamp for noise monitoring |
| CN109883538A (en) * | 2019-03-25 | 2019-06-14 | 中国船舶重工集团公司第七一九研究所 | A kind of microphone mounting bracket and mounting device |
| CN113588068A (en) * | 2021-09-09 | 2021-11-02 | 国网上海市电力公司 | Power transformer noise auxiliary detection device and execution method |
| CN113588068B (en) * | 2021-09-09 | 2023-11-14 | 国网上海市电力公司 | Power transformer noise auxiliary detection device and execution method |
| WO2024131229A1 (en) * | 2022-12-20 | 2024-06-27 | 国网河南省电力公司电力科学研究院 | Method for constructing transverse audible noise model of transmission corridor, microphone support device, and audible noise measurement apparatus |
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