CN114295105B - Novel measure wind-powered electricity generation tower section of thick bamboo inclination device - Google Patents
Novel measure wind-powered electricity generation tower section of thick bamboo inclination device Download PDFInfo
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- CN114295105B CN114295105B CN202111649138.0A CN202111649138A CN114295105B CN 114295105 B CN114295105 B CN 114295105B CN 202111649138 A CN202111649138 A CN 202111649138A CN 114295105 B CN114295105 B CN 114295105B
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- 235000017166 Bambusa arundinacea Nutrition 0.000 title claims abstract description 6
- 235000017491 Bambusa tulda Nutrition 0.000 title claims abstract description 6
- 241001330002 Bambuseae Species 0.000 title claims abstract description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 title claims abstract description 6
- 239000011425 bamboo Substances 0.000 title claims abstract description 6
- 230000005611 electricity Effects 0.000 title claims abstract description 4
- 230000008093 supporting effect Effects 0.000 claims abstract description 11
- 238000002955 isolation Methods 0.000 claims abstract description 8
- 230000008859 change Effects 0.000 claims abstract description 7
- 230000010365 information processing Effects 0.000 claims abstract description 6
- 230000001939 inductive effect Effects 0.000 claims abstract description 3
- 230000005389 magnetism Effects 0.000 claims abstract 4
- 230000010354 integration Effects 0.000 claims abstract 2
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 3
- 229910010293 ceramic material Inorganic materials 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 230000001976 improved effect Effects 0.000 abstract description 2
- 239000011324 bead Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000006855 networking Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model provides a novel measure wind-powered electricity generation tower section of thick bamboo inclination device, includes casing, lower casing, three-dimensional hall sensor, microprocessor, magnetism isolation CAN transceiver, system base chip, the magnet of response angle variation, hall sensor, microprocessor, magnetism isolation CAN transceiver, system base chip integration are on power supply and information processing circuit board, its characterized in that: a supporting column is arranged in the center of the cavity of the lower shell, the top of the supporting column is movably matched with a swinging cylinder with a cylinder opening facing downwards, and a magnet for inducing angle change is arranged at the top of the swinging cylinder; a plurality of upper magnets are uniformly arranged at the bottom of the swinging cylinder, and lower magnets with different polarities from the upper magnets are arranged on the lower shell and around the supporting column corresponding to the positions of the upper magnets at the bottom of the swinging cylinder. The invention solves the problem of large friction force in the rotation process of the swinging cylinder; the bottom of the swinging cylinder is uniformly provided with a plurality of upper magnets, and the axial direction of the swinging cylinder corresponds to the lower magnets in the tray and is used for preventing the swinging cylinder from rotating and ensuring return, so that measurement errors are reduced on the whole, and measurement accuracy is improved.
Description
Technical Field
The invention belongs to the technical field of wind turbine generator tower drum measurement, and particularly relates to an inclination angle measuring device in a wind turbine tower drum inclination angle measuring system.
Background
Patent number 202010298679.2 discloses a system for measuring the inclination angle of a wind power tower based on a three-dimensional Hall sensor, wherein an angle measuring device (shown in figure 1) is realized through a joint bearing and a pendulum bob. When the device actually works, the upper part of the swinging rod above the pendulum bob is matched with the inner ring of the joint bearing, and when the swinging rod swings, the friction force in the joint bearing is large, so that the swinging rod cannot return when the tower cylinder is static, and the problems of unstable test data and large measurement error are solved.
Disclosure of Invention
In order to solve the technical problems, the invention provides a novel device for measuring the inclination angle of a wind power tower, which solves the problem that in the prior art, the swinging rod cannot return when the tower is static due to friction force in the swinging process of the swinging rod, reduces measurement errors and improves measurement accuracy.
In order to achieve the above-mentioned purpose, the invention provides a novel device for measuring the inclination angle of a wind power tower, which comprises an upper shell, a lower shell, a three-dimensional Hall sensor, a microprocessor, a magnetic isolation CAN transceiver, a system base chip and a magnet for sensing angle change, wherein the Hall sensor, the microprocessor, the magnetic isolation CAN transceiver and the system base chip are integrated on a power supply and information processing circuit board, and is characterized in that: a supporting column is arranged in the center of a cavity of the lower shell, a swinging cylinder with a cylinder opening facing downwards is movably matched at the top of the supporting column, magnets with a variable induction angle are arranged at the top of the swinging cylinder, a plurality of upper magnets are uniformly arranged at the bottom of the swinging cylinder, lower magnets with different polarities are arranged on the lower shell and on the periphery of the supporting column corresponding to the positions of the upper magnets at the bottom of the swinging cylinder, and the upper magnets and the lower magnets attract each other to prevent the swinging cylinder from rotating and ensure the swinging cylinder to return when the tower cylinder is stationary.
Further, a movable ball is arranged at the top of the support column, an arc-shaped groove is arranged in the center of the top of the swinging cylinder, the movable ball is matched with the arc-shaped groove to realize swinging of the swinging cylinder, swinging friction force is reduced, and the swinging cylinder is ensured to swing freely under the action of gravity.
Further, the tray is installed to the upper magnet position that lower casing bottom was installed corresponding to pendulum section of thick bamboo bottom, is equipped with three mounting groove on every tray, all is equipped with the lower magnet with last magnet polarity dissimilarity in the three mounting groove.
Further, a limiting flat plate with a central opening is arranged in the cavity at the upper part of the lower shell and above the swinging cylinder, so that the swinging cylinder is prevented from dislocating and touching a power supply and information processing circuit board during transportation, and meanwhile, the swinging cylinder is ensured to swing freely within a limited angle without being limited by the limiting flat plate.
Further, the swinging cylinder is of a cap-shaped structure, and the upper magnet is arranged at the lower part of the cap brim.
Further, the movable ball is made of silicon nitride ceramic material, and friction force is minimum.
Compared with the prior art, the invention has the positive effects that:
according to the invention, a supporting column is arranged at the center position in a cavity of the lower shell, the top of the supporting column is movably matched with a swinging cylinder with a cylinder opening facing downwards, a magnet for sensing angle change is arranged at the top end of the swinging cylinder, an arc-shaped structure is arranged below the magnet for sensing angle change corresponding to the swinging cylinder, and the magnet is in rolling fit with a movable ball arranged on the supporting column of the lower shell, so that the problem of large friction force in the rotating process is solved; the bottom of the swinging cylinder is uniformly provided with a plurality of upper magnets, and the axial direction of the swinging cylinder corresponds to the lower magnets in the tray and is used for preventing the swinging cylinder from rotating and ensuring return, so that measurement errors are reduced on the whole, and measurement accuracy is improved.
Drawings
FIG. 1 is a schematic view of a structure of an angle measuring device according to the background art;
FIG. 2 is a schematic view of the structure of the inclination measuring apparatus of the present invention;
FIG. 3 is a perspective view of the pendulum cartridge of the present invention;
FIG. 4 is a bottom view of the pendulum cartridge of the present invention;
FIG. 5 is a schematic plan view of the lower housing of the present invention;
fig. 6 is a schematic view of the structure of the tray provided on the lower case of the present invention.
Detailed Description
Referring to fig. 2, the embodiment of the invention comprises a horizontal bead 1, an upper shell 2, an integrated hall sensor, a microprocessor, a magnetic isolation CAN transceiver, a power supply and information processing circuit board 3 of a system base chip, a limit flat plate 4, a lower shell 5, a swinging cylinder 6 and a magnet 14 for inducing angle change, wherein the lower shell 5 is of a box structure, a support column 12 is arranged at the center position in a cavity, a movable ball 13 made of silicon nitride material is arranged at the top of the support column 12, an arc-shaped groove 15 is arranged at the center of the top in the swinging cylinder 6, and the movable ball 13 is matched with the arc-shaped groove 15 at the top in the swinging cylinder 6 to realize swinging of the swinging cylinder, so that swinging friction force is reduced and the swinging cylinder 6 is ensured to swing freely under the action of gravity. The horizontal beads 1 are used for measuring whether the device is horizontal or not so as not to influence the measurement accuracy. The limiting flat plate 4 is arranged in the lower shell 5 and is positioned above the swinging cylinder 6, so that the swinging cylinder is prevented from dislocating and touching the power supply and information processing circuit board 3 during transportation, a round hole is formed in the center of the limiting flat plate 4, and the swinging cylinder is ensured to swing freely within a limited angle and is not limited by the limiting flat plate.
Referring to fig. 3-4, the swinging cylinder is of a cap-shaped structure, a mounting opening 16 is arranged at the center of the top of the cap-shaped structure, the magnets 14 for sensing the angle change are arranged on the mounting opening 16, and 4 upper magnets 7 are uniformly arranged at the bottom of the cap rim 11.
Referring to fig. 2, 5-6, 4 trays 9 are installed around the support column 12 in the lower housing 5 and corresponding to the positions of the magnets on the bottom of the swinging cylinder, the trays 9 are fixedly installed with the lower housing 5 through the upper installation holes 17 thereof and the self-tapping nails 10, three installation grooves are arranged on each tray 9, and the lower magnets 8 with different polarities from the upper magnets are installed in each installation groove, namely, one upper magnet 7 on the swinging cylinder corresponds to the three lower magnets 8 on the tray 9 of the lower housing, so as to prevent the swinging cylinder from rotating and ensure return.
The working principle of the invention is as follows:
According to the swinging cylinder, the arc-shaped grooves arranged in the swinging cylinder are matched with the movable round beads arranged at the tops of the support columns in the cavity of the lower shell, so that the swinging cylinder can swing freely, and the swinging friction force is reduced. Meanwhile, the swing cylinder is prevented from rotating by the attraction force of the upper magnet arranged at the bottom of the swing cylinder and the lower magnet in the tray, and the swing cylinder is guaranteed to return when the tower cylinder is static, so that the problem that the structure shown in fig. 1 does not return after swinging is avoided from the physical structure.
The inclination angle measuring device is respectively arranged on the bottom, middle and top platform planes in the tower, when the swinging cylinder swings freely, the magnetic field around the three-dimensional Hall sensor changes, and the microprocessor reads and processes the internal data of the three-dimensional Hall sensor to finish the measurement of the inclination angle data of the tower, reduce the measurement error and improve the measurement accuracy. All the dip angle measuring devices are connected in parallel through a CAN data bus and are respectively communicated with the embedded networking host through a magnetic isolation CAN transceiver, data are displayed and processed in the embedded networking host, and data interaction is carried out with an electric power operation monitoring network through an Ethernet.
Claims (5)
1. The utility model provides a novel measure wind-powered electricity generation tower section of thick bamboo inclination device, includes casing, lower casing, three-dimensional hall sensor, microprocessor, magnetism isolation CAN transceiver, system base chip, the magnet of response angle variation, hall sensor, microprocessor, magnetism isolation CAN transceiver, system base chip integration are on power supply and information processing circuit board, its characterized in that: a supporting column is arranged in the center of the cavity of the lower shell, the top of the supporting column is movably matched with a swinging cylinder with a cylinder opening facing downwards, and a magnet for inducing angle change is arranged at the top of the swinging cylinder; a plurality of upper magnets are uniformly arranged at the bottom of the swinging cylinder, and lower magnets with different polarities from the upper magnets are arranged on the lower shell and around the support column and correspond to the positions of the upper magnets at the bottom of the swinging cylinder;
the movable fit of the support column and the swinging cylinder is that a movable ball is arranged at the top of the support column, an arc-shaped groove is arranged in the center of the top of the swinging cylinder, and the movable ball is matched with the arc-shaped groove to realize the swinging of the swinging cylinder.
2. The novel device for measuring the inclination angle of a wind power tower according to claim 1, wherein: the tray is installed to the upper magnet position that lower casing bottom was installed corresponding to pendulum section of thick bamboo bottom, is equipped with three mounting groove on every tray, all is equipped with the lower magnet with last magnet polarity dissimilarity in the three mounting groove.
3. The novel device for measuring the inclination angle of a wind power tower according to claim 1, wherein: a limiting plate with a central opening is arranged in the cavity at the upper part of the lower shell and above the swinging cylinder.
4. A novel device for measuring the inclination angle of a wind power tower according to any one of claims 1-3, wherein: the swinging cylinder is of a cap-shaped structure, and the upper magnet is arranged at the lower part of the cap brim.
5. The novel device for measuring the inclination angle of a wind power tower according to claim 1, wherein: the movable ball is made of silicon nitride ceramic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111649138.0A CN114295105B (en) | 2021-12-30 | 2021-12-30 | Novel measure wind-powered electricity generation tower section of thick bamboo inclination device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111649138.0A CN114295105B (en) | 2021-12-30 | 2021-12-30 | Novel measure wind-powered electricity generation tower section of thick bamboo inclination device |
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| CN114295105A CN114295105A (en) | 2022-04-08 |
| CN114295105B true CN114295105B (en) | 2024-05-28 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116625314B (en) * | 2023-07-20 | 2023-10-20 | 青岛汇金通电力设备股份有限公司 | Wind power tower inclination angle measuring device |
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| CN101196395A (en) * | 2006-12-04 | 2008-06-11 | 李正才 | Measurer for tiny inclination angle |
| KR20090075783A (en) * | 2009-06-24 | 2009-07-09 | 김성옥 | Tilt sensor using hall device |
| JP2009276261A (en) * | 2008-05-16 | 2009-11-26 | Hitachi Metals Ltd | Rotational angle detection device and rotating machine |
| CN101806572A (en) * | 2010-03-30 | 2010-08-18 | 章年平 | Angle sensor and blood pressure measuring device |
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| CN110207665A (en) * | 2019-07-16 | 2019-09-06 | 贵州电网有限责任公司 | A kind of electric pole inclination angle measurement device and its measurement method |
| CN110261875A (en) * | 2019-06-26 | 2019-09-20 | 安徽天基维信息技术有限公司 | A kind of sedimentation of wind-power tower with tilt online prior-warning device |
| CN110514179A (en) * | 2019-09-05 | 2019-11-29 | 中船重工海为(新疆)新能源有限公司 | A kind of measurement Wind turbines tower gradient method |
| CN209910608U (en) * | 2019-07-23 | 2020-01-07 | 上海中认尚科新能源技术有限公司 | Quick quartering device for wind power testing tower |
| CN111322991A (en) * | 2020-04-16 | 2020-06-23 | 赤峰华源新力科技有限公司 | System for measuring wind power tower cylinder inclination angle based on three-dimensional Hall sensor |
| CN211152122U (en) * | 2020-04-01 | 2020-07-31 | 广西送变电建设有限责任公司 | Embrace pole inclination remote monitoring alarm device |
| CN112268542A (en) * | 2020-10-23 | 2021-01-26 | 湖南砼联科技有限责任公司 | Detection method and measurement device for inclination angle of tower of wind turbine generator |
| CN112983749A (en) * | 2019-12-13 | 2021-06-18 | 赤峰华源新力科技有限公司 | Wind turbine generator tower bolt looseness monitoring device, system and monitoring method |
-
2021
- 2021-12-30 CN CN202111649138.0A patent/CN114295105B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004156915A (en) * | 2002-11-01 | 2004-06-03 | Asahi Kasei Electronics Co Ltd | Inclination angle measuring instrument |
| CN101196395A (en) * | 2006-12-04 | 2008-06-11 | 李正才 | Measurer for tiny inclination angle |
| JP2009276261A (en) * | 2008-05-16 | 2009-11-26 | Hitachi Metals Ltd | Rotational angle detection device and rotating machine |
| KR20090075783A (en) * | 2009-06-24 | 2009-07-09 | 김성옥 | Tilt sensor using hall device |
| CN101806572A (en) * | 2010-03-30 | 2010-08-18 | 章年平 | Angle sensor and blood pressure measuring device |
| CN102128613A (en) * | 2011-01-30 | 2011-07-20 | 中国人民解放军军械工程学院 | Circular-arc type grating inclination angle sensor and measuring instrument |
| CN202433018U (en) * | 2011-12-31 | 2012-09-12 | 赤峰百润科技有限公司 | Tower drum measuring device of wind generating set and tower drum |
| CN207703207U (en) * | 2017-11-30 | 2018-08-07 | 中国大唐集团科学技术研究院有限公司西北分公司 | A kind of wind-driven generator tower testing apparatus for verticality |
| CN110261875A (en) * | 2019-06-26 | 2019-09-20 | 安徽天基维信息技术有限公司 | A kind of sedimentation of wind-power tower with tilt online prior-warning device |
| CN110207665A (en) * | 2019-07-16 | 2019-09-06 | 贵州电网有限责任公司 | A kind of electric pole inclination angle measurement device and its measurement method |
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| CN110514179A (en) * | 2019-09-05 | 2019-11-29 | 中船重工海为(新疆)新能源有限公司 | A kind of measurement Wind turbines tower gradient method |
| CN112983749A (en) * | 2019-12-13 | 2021-06-18 | 赤峰华源新力科技有限公司 | Wind turbine generator tower bolt looseness monitoring device, system and monitoring method |
| CN211152122U (en) * | 2020-04-01 | 2020-07-31 | 广西送变电建设有限责任公司 | Embrace pole inclination remote monitoring alarm device |
| CN111322991A (en) * | 2020-04-16 | 2020-06-23 | 赤峰华源新力科技有限公司 | System for measuring wind power tower cylinder inclination angle based on three-dimensional Hall sensor |
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| CN114295105A (en) | 2022-04-08 |
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