CN214407657U - Arch dam surface hole water level monitoring system based on laser scanning technology - Google Patents
Arch dam surface hole water level monitoring system based on laser scanning technology Download PDFInfo
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- CN214407657U CN214407657U CN202022970904.0U CN202022970904U CN214407657U CN 214407657 U CN214407657 U CN 214407657U CN 202022970904 U CN202022970904 U CN 202022970904U CN 214407657 U CN214407657 U CN 214407657U
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Abstract
The utility model relates to an encircle monitoring field of dam table hole position environmental quantity, disclose a encircle dam table hole water level monitoring system based on laser scanning technique, including water gauge label, hand-held type laser scanner and data management system, the water gauge label includes the water gauge of built-in spraying bar code array, and the water gauge passes through fixing device to be installed on encircleing dam table hole gate chamber lateral wall, and the bar code array includes the vertical bar code group of arranging side by side of a plurality of groups, and every group bar code group includes a water level main elevation bar code and water level inferior elevation bar code. The utility model discloses encircle dam table hole water level monitoring system based on laser scanning technique, through laser scanning, the accurate water level of surveing, handheld operation, convenient and fast.
Description
Technical Field
The utility model relates to a monitoring field who encircles dam table hole position environmental quantity, concretely relates to encircle dam table hole water level monitoring system based on laser scanning technique.
Background
The water level monitoring of the surface hole part of the arch dam can reflect the water level change condition of an upstream reservoir in time, and plays a role in warning and reminding reservoir water regulation, engineering operation and the like. The common method or means for monitoring the water level generally comprises the steps of installing a standard water gauge in a water level amplitude region or painting a water gauge with red and white water in a paint coating mode in the water level amplitude region, and the method is suitable for regions which can be conveniently reached by people and is suitable for manual measurement and reading. However, when the surface hole part of the arch dam is observed manually, an observer cannot reach the surface hole part, the surface hole part can only be observed remotely on a working bridge or a traffic bridge at the top of the dam, and the standard water gauge or the paint coating water gauge has low observation precision and cannot be accurately measured and read.
Laser scanning, remote non-contact scanning can be carried out. The handheld scanner is convenient and fast to operate, can emit laser beams and receive return beams, can convert optical signals into electric signals and further convert the electric signals into digital signals, and finally transmits the digital signals to a computer through a data line to perform data processing analysis. The device can only carry out online scanning, cannot carry out short-time data storage, and is not suitable for outgoing operation.
The bar code is a graphic identifier in which a plurality of black bars and spaces having different widths are arranged according to a certain encoding rule to express a set of information. The key content of the bar code technology is that the bar code symbols are identified and read by utilizing photoelectric scanning equipment to realize the automatic identification of a machine, and the data is rapidly and accurately recorded into a computer to be processed, so that the aim of automatic management is fulfilled. At present, bar codes are widely applied to many fields such as commodity circulation, book management, post management, bank systems and the like, and are not popularized and applied in the technical field of safety monitoring.
Therefore, the water level monitoring, the laser scanning and the bar code technology are combined, and a handheld observation device and a data management system capable of automatically scanning are researched and designed, so that the observation device can meet the requirements of simple operation and accurate water level measurement and reading; the data management system can meet the requirements of convenient, rapid and accurate data input, data processing and analysis.
Disclosure of Invention
The utility model aims at exactly being not enough to above-mentioned technique, provide an arch dam table hole water level monitoring system based on laser scanning technique, through laser scanning, the accurate water level of surveing, handheld operation, convenient and fast.
In order to achieve the above object, the utility model provides an arch dam table hole water level monitoring system based on laser scanning technique, include:
the water gauge label is arranged on the side wall of the arch dam surface hole gate chamber;
the handheld laser scanner emits laser to irradiate the water gauge label, receives a reflected light beam, converts an optical signal into digital signal data and stores the digital signal data in a built-in memory card of the handheld laser scanner;
the data management system is used for importing the data in the built-in memory card of the handheld laser scanner through a USB data connecting line, processing and analyzing the data;
the water gauge label comprises a water gauge with a built-in spraying bar code array, the water gauge is installed on the side wall of an arch dam meter hole gate chamber through a fixing device, the bar code array comprises a plurality of groups of vertical bar code groups arranged side by side, each group of bar code groups comprises a water level main elevation bar code and a water level secondary elevation bar code, the water level main elevation bar code and the water level secondary elevation bar code are transversely arranged side by side, the water level main elevation bar code and the water level secondary elevation bar code adopt a plurality of black bars and blanks with unequal widths, are horizontally arranged according to a coding rule, and are whole, the information expressed by the water level main elevation bar code is the elevation where the water level main elevation bar code is located, the unit is meter, the meter is accurate to the latter digit of the digit, and the corresponding information expressed by the black bars of the water level secondary elevation bar code is the second position of the latter digit of the elevation where the water level main elevation bar code is located.
Preferably, the outer surface of water gauge covers there is outside transparent protection film, protects the water gauge avoids long-term contact with water, leads to the fuzzy inefficacy of bar code scale.
Preferably, install leveling device of making level on the water gauge for with the water gauge label is fixed in on the arched dam table hole gate chamber lateral wall to level through level, vertical levelling staff, guarantee the installation of water gauge label is accurate.
Preferably, the vertical width of the water level main elevation bar code is smaller than that of the corresponding water level secondary elevation bar code, and the left and right arrangement sequence of the water level main elevation bar code and the water level secondary elevation bar code in the bar code group is opposite, so that scanning and identification are facilitated.
Compared with the prior art, the utility model, have following advantage:
1. the laser scanning is adopted, the accurate measurement and reading are realized, the operation is simple, convenient and quick, the data transmission and processing analysis are realized, and the data storage is realized;
2. and manual measurement and reading errors are reduced, and accurate monitoring is realized.
Drawings
Fig. 1 is a schematic structural diagram of the arch dam surface hole water level monitoring system based on the laser scanning technology of the present invention;
FIG. 2 is a schematic structural view of the water gauge label of FIG. 1;
FIG. 3 is a schematic diagram of the barcode array of FIG. 2;
fig. 4 is a schematic diagram of a barcode array according to an embodiment of the present invention.
The components in the figures are numbered as follows:
the water gauge comprises a water gauge label 1, a handheld laser scanner 2, a data management system 3, a USB data connecting line 4, a bar code array 5, a water gauge 6, a fixing device 7, a bar code group 8, a water level main elevation bar code 9, a water level secondary elevation bar code 10, an external transparent protective film 11 and a leveling device 12.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments.
As shown in fig. 1, fig. 2 and fig. 3, the utility model relates to an arch dam table hole water level monitoring system based on laser scanning technique, include:
the water gauge label 1 is installed on the side wall of the arch dam surface hole gate chamber;
the handheld laser scanner 2 emits laser to irradiate the water gauge label 1, receives a reflected light beam, converts an optical signal into digital signal data, and stores the digital signal data in a built-in memory card of the handheld laser scanner 2;
the data management system 3 is used for importing data in a storage card arranged in the handheld laser scanner 2 through a USB data connecting line 4, processing and analyzing the data;
as shown in fig. 2, the water gauge label 1 comprises a water gauge 6 with a built-in bar code array 5, the water gauge 6 is mounted on the side wall of the hole gate chamber of the arch dam through a fixing device 7, the outer surface of the water gauge 6 is covered with an external transparent protective film 11, and a leveling device 12 is mounted on the water gauge 6. As shown in fig. 3, the barcode array 5 includes a plurality of groups of barcode groups 8 arranged vertically side by side, wherein 2 of the groups are shown in the figure, each group of barcode groups 8 includes a main water level elevation barcode 9 and a secondary water level elevation barcode 10, the main water level elevation barcode 9 and the secondary water level elevation barcode 10 are arranged horizontally side by side, the main water level elevation barcode 9 and the secondary water level elevation barcode 10 both adopt a plurality of black bars and blanks with different widths, the black bars and the blanks are arranged horizontally according to a coding rule, information expressed by the whole main water level elevation barcode 9 is an elevation where the main water level elevation barcode is located, a unit is meter, the unit is accurate to one position after a decimal point, and information expressed by the black bars of the corresponding secondary water level elevation barcode 10 is the second position after the decimal point where the main water level elevation barcode 9 is located.
In this embodiment, the vertical width of the water level major elevation barcode 9 is smaller than the vertical width of the corresponding water level minor elevation barcode, and the left and right arrangement sequence of the water level major elevation barcode 9 and the water level minor elevation barcode 10 in the two adjacent sets of barcode groups 8 is opposite.
The monitoring method of the arch dam surface hole water level monitoring system based on the laser scanning technology comprises the following steps:
A) manufacturing a water gauge label 1 and installing the water gauge label on the side wall of the gate chamber of the arch dam surface hole;
B) a water level observation plan is formulated, water level observation of the surface hole part of the arch dam is carried out periodically, during observation, the handheld laser scanner 2 is held by a hand, a proper position is selected on a working bridge or a traffic bridge at the top of the dam, the bar code array 5 is scanned, scanning data are obtained, and the scanning data are stored in a built-in storage card of the handheld laser scanner 2;
C) the scanning data led into the memory card of the hand-held laser scanner 2 through the USB data connecting line 4 enters the data management system 3 for processing and analysis.
In the step B), the first unsubmerged water level major elevation bar code 9 above the water surface line is aligned, scanning is carried out, if the water surface line submerges the part of the water level minor elevation bar code 10 corresponding to the water level major elevation bar code 9, the corresponding water level minor elevation bar code 10 is continuously scanned, when the data management system 3 carries out processing and analysis, the major elevation of the water surface line takes the elevation information expressed by the water level major elevation bar code 9, the unit is meter, the elevation information is accurate to one position after a decimal point, and the second position after the decimal point is the information expressed by the first black bar of the corresponding water level minor elevation bar code 10 on the water surface line and is reduced by 1; if the water surface line does not submerge the part of the water level secondary elevation bar code 10 corresponding to the water level primary elevation bar code 9, the water level secondary elevation bar code 10 below the water level secondary elevation bar code 10 corresponding to the water level primary elevation bar code 9 is continuously scanned, when the data management system 3 processes and analyzes, the primary elevation of the water surface line takes the elevation information expressed by the water level primary elevation bar code 9, the last bit is reduced by 1, the unit is meter, the accuracy is reduced to one bit after a decimal point, and the second bit after the decimal point is the information expressed by the first black bar of the water level secondary elevation bar code 10 below the corresponding water level secondary elevation bar code 10 on the water surface line and is reduced by 1.
For example, as shown in fig. 4, the left side of the first row is a main water level elevation barcode 9 indicating an elevation of 846.0 meters and accurate to 0.1 meters, the right side is a secondary water level elevation barcode 10, each black bar indicates a second position behind a decimal point of the elevation and accurate to 0.01 meters, which are 0.12346789 respectively from bottom to top, similarly, the right side of the second row is a main water level elevation barcode 9 indicating an elevation of 845.9 meters and accurate to 0.1 meters, the left side is a secondary water level elevation barcode 10, each black bar indicates a second position behind a decimal point of the elevation and accurate to 0.01 meters, which are 0.12346789 respectively from bottom to top, when in use, the main water level elevation barcode 9 of the first row is above the water surface line, the main elevation is scanned, and if the secondary water level elevation 10 of the first row is submerged, the secondary water level barcode 10 of the first row is scanned, and the number 23456789 is obtained, that is the black bar of the water surface line indicating a number 1, at the moment, the elevation of the water level is 846.01 meters; if the water surface line does not submerge the water level sub-elevation bar code 10 in the first row, the water level sub-elevation bar code 10 in the second row is scanned to obtain the number 6789, that is, the water surface line submerges the black bar representing the number 5, and at this time, the water level elevation is 845.95 meters.
The utility model discloses arch dam table hole water level monitoring system based on laser scanning technique through laser scanning, accurate survey is read, easy and simple to handle swiftly, data transmission, data processing analysis to data storage; the manual measurement and reading errors are reduced, and accurate monitoring is realized.
Claims (4)
1. The utility model provides an arch dam table hole water level monitoring system based on laser scanning technique which characterized in that: the method comprises the following steps:
the water gauge label (1) is installed on the side wall of the arch dam surface hole gate chamber;
the handheld laser scanner (2) emits laser to irradiate the water gauge label (1), receives a reflected light beam, converts an optical signal into digital signal data, and stores the digital signal data in a built-in memory card of the handheld laser scanner (2);
the data management system (3) is used for importing the data in the built-in memory card of the handheld laser scanner (2) through a USB data connecting line (4), processing and analyzing the data;
water gauge label (1) is including water gauge (6) of built-in spraying bar code array (5), install on arch dam table hole floodgate room lateral wall through fixing device (7) water gauge (6), bar code array (5) include vertical bar code group (8) of arranging side by side of a plurality of groups, every group bar code group (8) are including a water level main elevation bar code (9) and water level inferior elevation bar code (10), water level main elevation bar code (9) and water level inferior elevation bar code (10) transversely arrange side by side, water level main elevation bar code (9) and water level inferior elevation bar code (10) all adopt a plurality of black strips and blanks that the width is unequal, according to the regular horizontal arrangement of coding, whole the information that water level main elevation bar code (9) expressed is its elevation of locating, and the unit is the meter, and is accurate to one bit behind the decimal point, and is corresponding the information that the black strip of water level inferior elevation bar code (10) expressed is main elevation bar code The second bit after the elevation decimal point where the code (9) is located.
2. The system for monitoring the water level of the surface hole of the arch dam based on the laser scanning technology as claimed in claim 1, wherein: the outer surface of the water gauge (6) is covered with an external transparent protective film (11).
3. The system for monitoring the water level of the surface hole of the arch dam based on the laser scanning technology as claimed in claim 1, wherein: and a leveling device (12) is arranged on the water gauge (6).
4. The system for monitoring the water level of the surface hole of the arch dam based on the laser scanning technology as claimed in claim 1, wherein: the vertical width of the water level main elevation bar code (9) is smaller than the vertical width of the corresponding water level secondary elevation bar code, and the left and right arrangement sequence of the water level main elevation bar code (9) and the water level secondary elevation bar code (10) in the bar code group (8) are opposite.
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| CN202022970904.0U CN214407657U (en) | 2020-12-10 | 2020-12-10 | Arch dam surface hole water level monitoring system based on laser scanning technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112539801A (en) * | 2020-12-10 | 2021-03-23 | 长江勘测规划设计研究有限责任公司 | System and method for monitoring water level of surface hole of arch dam based on laser scanning technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112539801A (en) * | 2020-12-10 | 2021-03-23 | 长江勘测规划设计研究有限责任公司 | System and method for monitoring water level of surface hole of arch dam based on laser scanning technology |
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