CN114018220A - Tower inclination monitoring device based on laser sensor - Google Patents
Tower inclination monitoring device based on laser sensor Download PDFInfo
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- CN114018220A CN114018220A CN202111413246.8A CN202111413246A CN114018220A CN 114018220 A CN114018220 A CN 114018220A CN 202111413246 A CN202111413246 A CN 202111413246A CN 114018220 A CN114018220 A CN 114018220A
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 27
- 238000005259 measurement Methods 0.000 claims abstract description 24
- 238000012360 testing method Methods 0.000 claims description 6
- 238000012795 verification Methods 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 abstract description 10
- 238000012544 monitoring process Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 206010033799 Paralysis Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/02—Details
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- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a tower inclination monitoring device based on a laser sensor, which relates to the technical field of power equipment monitoring, and adopts the technical scheme that: the laser processing device comprises a first ring seat, a second ring seat, a laser transmitter, a laser receiver and a processor; the first ring seat and the second ring seat are respectively arranged on a tower and a tower foundation; the laser emitter is installed on the first ring seat through the first driving piece, and the first driving piece can drive the laser emitter to slide along the circumferential direction of the first ring seat; the laser receiver is arranged on the second ring seat through a second driving piece, and the second driving piece can drive the laser receiver to slide along the circumferential direction of the second ring seat; and the processor is used for comparing and analyzing the distance measurement value output by the laser receiver with a standard threshold value and outputting an early warning signal when the comparison is unqualified. The method and the device can dynamically acquire the distance measurement values acquired by different laser transmission paths, weaken the influence of environmental conditions on the measurement precision of the distance measurement values, and improve the accuracy and the reliability of tower inclination monitoring.
Description
Technical Field
The invention relates to the technical field of power equipment monitoring, in particular to a tower inclination monitoring device based on a laser sensor.
Background
The inclination of the tower of the power transmission line is one of important influence factors influencing the safe and stable operation of a power grid, the inclination of the tower can be caused by factors such as land topography, unstable geology and the like, the tower is even caused to be inverted to cause the disconnection of the tower and the tower inversion accident in serious conditions, and the large-area power failure paralysis of the power transmission line is caused, so that huge economic loss is brought to the country and people, and the safe and stable operation of the power grid is seriously influenced. The method has the advantages that the inclination severity of the transmission line tower is monitored on line, and the state and the development trend of the transmission line tower can be reflected, so that problems can be found in time, and the occurrence of transmission accidents is reduced or avoided.
In the prior art, the inclination state of a power transmission line tower is monitored by sensor equipment such as a laser sensor, but a single monitoring route is generally adopted, and the measurement precision is not accurate due to environmental interference under the influence of environmental conditions such as rainy days, haze, strong wind and other severe conditions; on the other hand, the tower is influenced by the environment to cause small-angle inclination, so that frequent output of early warning signals is easily caused, and the accuracy and reliability of monitoring the inclination of the tower are relatively low.
Therefore, how to research and design a tower inclination monitoring device based on a laser sensor, which can overcome the defects, is a problem which is urgently needed to be solved at present.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a tower inclination monitoring device based on a laser sensor.
The technical purpose of the invention is realized by the following technical scheme: the tower inclination monitoring device based on the laser sensor comprises a first ring seat, a second ring seat, a laser transmitter, a laser receiver and a processor;
the first ring seat and the second ring seat are respectively arranged on a tower and a tower foundation and are arranged in parallel;
the laser emitter is mounted on the first ring seat through a first driving piece, and the first driving piece can drive the laser emitter to slide along the circumferential direction of the first ring seat;
the laser receiver is arranged on the second ring seat through a second driving piece, and the second driving piece can drive the laser receiver to slide along the circumferential direction of the second ring seat;
when the laser transmitter and the laser receiver slide simultaneously, the laser transmission distances are kept consistent under the non-inclined state of the tower;
and the processor is used for comparing and analyzing the distance measurement value output by the laser receiver with a standard threshold value and outputting an early warning signal when the comparison is unqualified.
Further, the processor is also provided with a statistical unit and a checking unit;
the statistical unit is used for outputting a test signal when N unqualified results are counted in a preset time period, wherein N is more than or equal to 1;
the inspection unit is used for performing linear fitting on the distance measurement value within 360-degree sliding of the laser receiver after responding to the inspection signal; if the fitting curve is consistent with the standard straight line corresponding to the standard threshold, initializing the unqualified result to zero; and if the fitting curve is inconsistent with the standard straight line corresponding to the standard threshold, outputting an early warning signal.
Further, the first ring seat and the second ring seat are coaxially arranged.
Further, the diameter of the first ring seat is smaller than that of the second ring seat.
Further, the laser transmission route between the laser transmitter and the laser receiver is distributed along a bus between the first ring seat and the second ring seat.
Further, the laser transmission route between the laser transmitter and the laser receiver is at the intersection of the central axes between the first ring seat and the second ring seat.
Further, the laser transmitter and the laser receiver slide synchronously with a preset circumferential angle difference.
Further, the value range of the preset circumferential angle difference is 60-120 degrees.
Further, the processor is electrically connected with a signal transmitter, and the signal transmitter transmits the early warning signal to the upper computer in a wireless transmission mode.
Furthermore, the processor is electrically connected with a signal receiver, and the signal receiver receives the control command output by the upper computer in a wireless transmission mode.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the tower inclination monitoring device based on the laser sensor, the distance measurement values obtained by different laser transmission paths can be dynamically obtained in a mode of synchronously driving the laser transmitter and the laser receiver to slide, the influence of environmental conditions on the measurement precision of the distance measurement values is effectively weakened, and the accuracy and the reliability of tower inclination monitoring are improved;
2. according to the invention, the one or more unqualified results of the primary detection are integrally detected in a linear fitting manner, so that the condition that the early warning signal is frequently output due to the small-angle range inclination of the tower caused by environmental conditions, such as strong wind, is effectively avoided, and the accuracy and reliability of the tower inclination monitoring are further improved;
3. the invention monitors by the first ring seat and the second ring seat with different diameters or a staggered sliding mode, changes the direction of a laser transmission path, and further weakens the influence of environmental conditions on the measurement precision of a distance measurement value.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure in an embodiment of the present invention;
fig. 2 is a schematic diagram of the operation in the embodiment of the present invention.
Reference numbers and corresponding part names in the drawings:
1. a first ring seat; 2. a first driving member; 3. a laser transmitter; 4. a second ring seat; 5. a second driving member; 6. a laser receiver.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Example (b): the tower inclination monitoring device based on the laser sensor, as shown in fig. 1 and fig. 2, includes a first ring seat 1, a second ring seat 4, a laser transmitter 3, a laser receiver 6, and a processor. The first ring seat 1 and the second ring seat 4 are respectively arranged on a tower and a tower foundation, and the first ring seat 1 and the second ring seat 4 are arranged in parallel; the laser emitter 3 is mounted on the first ring seat 1 through the first driving piece 2, and the first driving piece 2 can drive the laser emitter 3 to slide along the circumferential direction of the first ring seat 1; the laser receiver 6 is mounted on the second ring seat 4 through a second driving piece 5, and the second driving piece 5 can drive the laser receiver 6 to slide along the circumferential direction of the second ring seat 4; when the laser transmitter 3 and the laser receiver 6 slide simultaneously, the laser transmission distances are kept consistent under the non-inclined state of the tower; and the processor is used for comparing and analyzing the distance measurement value output by the laser receiver 6 with a standard threshold value and outputting an early warning signal when the comparison is unqualified. For example, a comparator may be used for comparative analysis.
It should be noted that both the first driving member 2 and the second driving member 5 can adopt a servo guide driving structure.
According to the invention, the distance measurement values obtained by different laser transmission paths can be dynamically obtained in a manner of synchronously driving the laser transmitter 3 and the laser receiver 6 to slide, so that the influence of environmental conditions on the measurement precision of the distance measurement values is effectively weakened, and the accuracy and reliability of tower inclination monitoring are improved;
in the embodiment, the processor is also provided with a statistical unit and a checking unit; the statistical unit is used for outputting a test signal when N unqualified results are counted in a preset time period, wherein N is more than or equal to 1; a checking unit for performing linear fitting on the distance measurement value within 360 degrees of sliding of the laser receiver 6 in response to the checking signal; if the fitting curve is consistent with the standard straight line corresponding to the standard threshold, initializing the unqualified result to zero; and if the fitting curve is inconsistent with the standard straight line corresponding to the standard threshold, outputting an early warning signal.
The invention integrally tests one or more unqualified results of the primary detection in a linear fitting mode, effectively avoids the condition that the early warning signal is frequently output due to the small-angle range inclination of the tower caused by environmental conditions, such as strong wind, and further improves the accuracy and reliability of the tower inclination monitoring.
In this embodiment, the first ring seat 1 and the second ring seat 4 are coaxially disposed. If the diameters of the first ring seat 1 and the second ring seat 4 are the same, the first ring seat and the second ring seat can also be arranged in a staggered mode.
In the present embodiment, the diameter of the first ring seat 1 is smaller than the diameter of the second ring seat 4.
As an alternative embodiment, the laser transmission path between the laser emitter 3 and the laser receiver 6 is distributed along a generatrix between the first ring seat 1 and the second ring seat 4.
As another alternative, the laser transmission path between the laser transmitter 3 and the laser receiver 6 intersects the central axis between the first ring seat 1 and the second ring seat 4.
In addition, as another alternative embodiment, the laser transmitter 3 and the laser receiver 6 slide synchronously with a preset circumferential angle difference. The value range of the preset circumferential angle difference is 60-120 degrees.
The invention monitors by the first ring seat 1 and the second ring seat 4 with different diameters or a staggered sliding mode, changes the direction of a laser transmission path, and further weakens the influence of environmental conditions on the measurement precision of a distance measurement value.
The processor is electrically connected with a signal transmitter, and the signal transmitter transmits the early warning signal to the upper computer in a wireless transmission mode. The processor is electrically connected with a signal receiver, and the signal receiver receives a control command output by the upper computer in a wireless transmission mode.
The working principle is as follows: according to the invention, the distance measurement values obtained by different laser transmission paths can be dynamically obtained in a manner of synchronously driving the laser transmitter 3 and the laser receiver 6 to slide, so that the influence of environmental conditions on the measurement precision of the distance measurement values is effectively weakened, and the accuracy and the reliability of tower inclination monitoring are improved.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The tower inclination monitoring device based on the laser sensor is characterized by comprising a first ring seat (1), a second ring seat (4), a laser transmitter (3), a laser receiver (6) and a processor;
the first ring seat (1) and the second ring seat (4) are respectively arranged on a tower and a tower foundation, and the first ring seat (1) and the second ring seat (4) are arranged in parallel;
the laser emitter (3) is installed on the first ring seat (1) through the first driving piece (2), and the first driving piece (2) can drive the laser emitter (3) to slide along the circumferential direction of the first ring seat (1);
the laser receiver (6) is installed on the second ring seat (4) through the second driving piece (5), and the second driving piece (5) can drive the laser receiver (6) to slide along the circumferential direction of the second ring seat (4);
when the laser transmitter (3) and the laser receiver (6) slide simultaneously, the laser transmission distances are kept consistent under the non-inclined state of the tower;
and the processor is used for comparing and analyzing the distance measurement value output by the laser receiver (6) with a standard threshold value and outputting an early warning signal when the comparison is unqualified.
2. The tower inclination monitoring device based on the laser sensor as claimed in claim 1, wherein the processor is further configured with a statistical unit and a verification unit;
the statistical unit is used for outputting a test signal when N unqualified results are counted in a preset time period, wherein N is more than or equal to 1;
a test unit for performing a linear fit on the distance measurements within 360 degrees of the sliding of the laser receiver (6) in response to the test signal; if the fitting curve is consistent with the standard straight line corresponding to the standard threshold, initializing the unqualified result to zero; and if the fitting curve is inconsistent with the standard straight line corresponding to the standard threshold, outputting an early warning signal.
3. The tower inclination monitoring device based on the laser sensor as claimed in claim 1, wherein the first ring seat (1) and the second ring seat (4) are coaxially arranged.
4. Tower inclination monitoring device based on laser sensors according to claim 3, characterized in that the diameter of the first ring seat (1) is smaller than the diameter of the second ring seat (4).
5. The tower inclination monitoring device based on the laser sensor as claimed in claim 3, wherein the laser transmission line between the laser transmitter (3) and the laser receiver (6) is distributed along the generatrix between the first ring seat (1) and the second ring seat (4).
6. The tower inclination monitoring device based on the laser sensor as claimed in claim 3, wherein the laser transmission route between the laser transmitter (3) and the laser receiver (6) is at the intersection of the central axes between the first ring seat (1) and the second ring seat (4).
7. The tower inclination monitoring device based on laser sensor according to claim 3, wherein the laser transmitter (3) and the laser receiver (6) slide synchronously with a predetermined circumferential angle difference.
8. The tower inclination monitoring device based on the laser sensor as claimed in claim 7, wherein the predetermined circumferential angle difference is in a range of 60-120 °.
9. The tower inclination monitoring device based on the laser sensor according to any one of claims 1 to 8, wherein the processor is electrically connected with a signal transmitter, and the signal transmitter transmits the early warning signal to an upper computer in a wireless transmission mode.
10. The tower inclination monitoring device based on the laser sensor according to any one of claims 1 to 8, wherein the processor is electrically connected with a signal receiver, and the signal receiver receives the control command output by the upper computer in a wireless transmission mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111413246.8A CN114018220A (en) | 2021-11-25 | 2021-11-25 | Tower inclination monitoring device based on laser sensor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111413246.8A CN114018220A (en) | 2021-11-25 | 2021-11-25 | Tower inclination monitoring device based on laser sensor |
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| CN114018220A true CN114018220A (en) | 2022-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111413246.8A Pending CN114018220A (en) | 2021-11-25 | 2021-11-25 | Tower inclination monitoring device based on laser sensor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114487684A (en) * | 2022-02-21 | 2022-05-13 | 盐城市质量技术监督综合检验检测中心(盐城市产品质量监督检验所) | EMI disturbance power detection equipment and method based on laser guidance |
| CN115200550A (en) * | 2022-09-16 | 2022-10-18 | 济宁鲁威液压科技股份有限公司 | Cage guide inclination measuring device and using method thereof |
| CN116046080A (en) * | 2023-04-03 | 2023-05-02 | 国网吉林省电力有限公司辽源供电公司 | Device and method for monitoring frost heave of transmission tower foundation soil layer and tower attitude |
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| JP2014016283A (en) * | 2012-07-10 | 2014-01-30 | Chugoku Electric Power Co Inc:The | Installation inspection equipment |
| CN205482950U (en) * | 2015-11-24 | 2016-08-17 | 国网安徽省电力公司铜陵供电公司 | Transmission line shaft tower slope intellectual detection system device |
| CN108871270A (en) * | 2018-07-18 | 2018-11-23 | 天津大学 | A kind of Iron tower incline condition detection method |
| CN208688485U (en) * | 2018-08-27 | 2019-04-02 | 凯睿隆誉(成都)科技有限公司 | Iron tower incline measuring device and Iron tower incline based on photoelectric method monitor system |
| CN209765712U (en) * | 2019-06-03 | 2019-12-10 | 内蒙古大学 | Automatic inclination measuring alarm device for tower |
| CN213021559U (en) * | 2020-09-18 | 2021-04-20 | 国网辽宁省电力有限公司经济技术研究院 | Tower inclination monitoring device |
-
2021
- 2021-11-25 CN CN202111413246.8A patent/CN114018220A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014016283A (en) * | 2012-07-10 | 2014-01-30 | Chugoku Electric Power Co Inc:The | Installation inspection equipment |
| CN205482950U (en) * | 2015-11-24 | 2016-08-17 | 国网安徽省电力公司铜陵供电公司 | Transmission line shaft tower slope intellectual detection system device |
| CN108871270A (en) * | 2018-07-18 | 2018-11-23 | 天津大学 | A kind of Iron tower incline condition detection method |
| CN208688485U (en) * | 2018-08-27 | 2019-04-02 | 凯睿隆誉(成都)科技有限公司 | Iron tower incline measuring device and Iron tower incline based on photoelectric method monitor system |
| CN209765712U (en) * | 2019-06-03 | 2019-12-10 | 内蒙古大学 | Automatic inclination measuring alarm device for tower |
| CN213021559U (en) * | 2020-09-18 | 2021-04-20 | 国网辽宁省电力有限公司经济技术研究院 | Tower inclination monitoring device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114487684A (en) * | 2022-02-21 | 2022-05-13 | 盐城市质量技术监督综合检验检测中心(盐城市产品质量监督检验所) | EMI disturbance power detection equipment and method based on laser guidance |
| CN115200550A (en) * | 2022-09-16 | 2022-10-18 | 济宁鲁威液压科技股份有限公司 | Cage guide inclination measuring device and using method thereof |
| CN115200550B (en) * | 2022-09-16 | 2022-12-06 | 济宁鲁威液压科技股份有限公司 | Cage guide inclination measuring device and using method thereof |
| CN116046080A (en) * | 2023-04-03 | 2023-05-02 | 国网吉林省电力有限公司辽源供电公司 | Device and method for monitoring frost heave of transmission tower foundation soil layer and tower attitude |
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Address after: 610000 No. 66 Xinguang Road, hi tech Zone, Sichuan, Chengdu Applicant after: Super high voltage branch of State Grid Sichuan Electric Power Co. Address before: 610000 No. 66 Xinguang Road, hi tech Zone, Sichuan, Chengdu Applicant before: MAINTENANCE COMPANY OF STATE GRID SICHUAN ELECTRIC POWER Co. |