CN112945134A - A intelligent scanner for cave monitoring - Google Patents
A intelligent scanner for cave monitoring Download PDFInfo
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- CN112945134A CN112945134A CN202011435019.0A CN202011435019A CN112945134A CN 112945134 A CN112945134 A CN 112945134A CN 202011435019 A CN202011435019 A CN 202011435019A CN 112945134 A CN112945134 A CN 112945134A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 37
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 12
- 230000006870 function Effects 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 claims description 4
- 238000013461 design Methods 0.000 claims description 2
- 238000012806 monitoring device Methods 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 3
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- 239000004575 stone Substances 0.000 description 3
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/14—Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
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Abstract
The invention discloses an intelligent scanner for cave monitoring, and belongs to the technical field of cultural heritage monitoring. The device mainly comprises a horizontal high-precision closed-loop motor, a vertical high-precision closed-loop motor, a control module, a wireless data acquisition and transmission module, a battery power supply module, a laser ranging module, an infrared temperature measurement module, a digital image acquisition module, a support with a bearing and a leveling support with a level pipe. The invention can monitor a plurality of preset cave sections or paths by means of the horizontal high-precision closed-loop motor, the vertical high-precision closed-loop motor and the control module, thereby well solving the problems in the prior art.
Description
Technical Field
The invention belongs to the technical field of cultural heritage monitoring, and particularly relates to a high-precision intelligent scanner which is mainly suitable for data acquisition of deformation of sections, temperature and images of cave temples and provides data support for evaluating and predicting stability of the cave.
Background
The stone cave temple in China has the characteristics of wide distribution, large scale and complete system, integrates the arts of buildings, sculptures, wall paintings, calligraphy and the like, is one of important cultural heritage types in China, and fully embodies the aesthetic pursuit, value concept and cultural spirit of Chinese nationalities. However, due to long-term natural nutrient effect and artificial damage in thousands of years, a plurality of cave temples in China have serious cave stability problems, especially the key block stability problem formed by cutting joint cracks often exists in the cave, the safety of cultural relics is seriously damaged, and the open utilization of the cave is also hindered. However, due to the fact that the cave inner space is narrow and small, and the cave temple rock mass has the dual attribute of geology and cultural relic, conventional deformation monitoring device is difficult to adapt to and satisfies the monitoring demand, and on the basis, the monitoring device of the compound perception of non-contact high accuracy intelligence multi-parameter is urgently needed to be researched and developed, and the cave temple deformation trend and the environmental data are monitored in real time, and data support is provided for the stability evaluation of the cave temple.
In 1986, switzerland Amberg developed a laser section scanner; in 1987, a domestic laser section scanner was developed by the original institute of design and research of Ministry of railways; a section scanner combining a laser ranging technology and a digital angle measuring technology is developed by Beijing industry university in 2001; in 2002, the iron tunnel group develops a simple laser section scanner based on servo motor drive; in 2006, a BJSD type tunnel laser section scanner was developed by the original Beijing photonics research institute (now Beijing Lei technology Co., Ltd.).
Present cave temple cave cross section deformation monitoring devices mainly monitors through joint meter, displacement meter, laser range finder, laser section detector, three-dimensional laser scanner, total powerstation etc. and this type of monitoring devices has following problem: (1) the installation is damaged, and the protection principle (a joint meter and a displacement meter) of the cultural relics is not met; (2) the precision is low, and the device is mainly used for tunnel engineering (a laser section detector); (3) the equipment is expensive, the data post-processing is complex (three-dimensional laser scanner), and the popularization and the application are difficult; (4) only the displacement change of a single point can be obtained, and the three-dimensional space change (a laser range finder and a total station) is difficult to capture; (5) the monitoring data is difficult to transmit in real time and difficult to feed back to cultural relic protection workers and function management departments in time.
The invention provides the monitoring device for the stone cave temple cultural relics, aims to meet the special technical requirements of monitoring the stone cave temple cultural relics, makes up the defects and shortcomings of the existing monitoring equipment and improves the suitability. Through the literature search, the same public reports as the invention are not found.
Disclosure of Invention
In view of the above, the present invention provides an intelligent scanner capable of simultaneously collecting deformation, temperature and image, which can effectively solve the above problems, perform long-term monitoring of the cave sections of the cave temple, and realize real-time wireless transmission and remote control.
The invention solves the technical problems by the following technical means:
the invention provides an intelligent scanner for cave monitoring, which consists of a sensor module, a horizontal high-precision closed-loop motor, a vertical high-precision closed-loop motor, a control module, a wireless data acquisition and transmission module, a power supply module and a structural frame,
the wireless data acquisition and transmission module 10 comprises a laser ranging module, an infrared temperature measurement module and a digital image acquisition module;
the bottom of the structural frame is provided with a support with a bearing, the support is provided with a level pipe and a leveling support;
the sensor module integrates the functions of high-precision distance measurement, temperature measurement and image shooting, and is connected with the horizontal high-precision closed-loop motor and the 400-degree limiter of the horizontal motor through the transmission shaft;
the vertical motor 400-degree limiter and the vertical high-precision closed-loop motor are connected with the horizontal motor 400-degree shelf device;
the omnidirectional tripod head is matched with the sensor module and can scan and detect the distance of the position point and the temperature of the inner wall of the non-shielding space and obtain the monitoring data of the distance, the temperature and the image on the section of the non-shielding space in the cave;
the control module integrates the functions of master control, 4G communication and Bluetooth remote control.
The power supply module consists of a detachable battery pack, a battery pack management module and a main power supply management module.
The control module incorporates a gyroscope to monitor whether the instrument has been moved.
The control module is provided with detachable feet which are detached when being matched with a tripod for geology.
The bottom of the support is provided with a fan-shaped antiskid groove of a tripod for geology.
The top of the fan-shaped antiskid groove of the tripod is provided with 5/8 tripod interfaces and an adapter of 5/8-rotation 1/4, and the 5/8 tripod interfaces and the adapter of 5/8-rotation 1/4 are arranged in the center of the support.
The device comprises a horizontal high-precision closed-loop motor, a vertical high-precision closed-loop motor, a control module, a wireless data acquisition and transmission module, a power supply module, a laser ranging module, an infrared temperature measurement module, a digital image acquisition module, a support with a bearing and a leveling bracket with a level pipe, and can simultaneously acquire deformation (contour) of a section, temperature data and section image information;
the sensor module integrates the functions of high-precision distance measurement, temperature measurement and image shooting and is connected with the horizontal high-precision closed-loop motor and the 400-degree limiter of the horizontal motor through a transmission shaft;
the sensor module adopts the modularized design, integrates the functions of high-precision distance measurement, temperature measurement and image shooting, reserves a common data interface, and can replace different sensor modules according to the requirements of monitoring technology, such as a high-precision miniature laser radar, a hyperspectral camera and the like.
The vertical motor 400-degree limiter and the vertical high-precision closed-loop motor are connected with the horizontal motor 400-degree shelf.
This intelligent scanner can real-time supervision cave cross section geometric outline, compare through the profile data of different periods, judge whether there is the deformation, calculate and obtain the deflection, the deformation trend, simultaneously with the infrared temperature measurement of laser rangefinder synchronous going on, the deformation that the correction that can be fine arouses because of the temperature, make the monitoring data more reliable, obtain cave surface temperature data and image simultaneously, can be used to the long-term monitoring of cave stability, it is high to have the precision, and easy operation is convenient, accessible wireless communication module remote control, realize the real-time wireless transmission of data, after the monitoring task is accomplished, portable relocating, reuse.
Aiming at the problems in the prior art, the intelligent laser section scanner provided by the invention is intelligently embodied in that a plurality of sections can be measured in sequence according to a control instruction, the control instruction and the measurement data can be controlled and transmitted in real time through remote software, the thermal expansion and cold contraction deformation caused by temperature can be corrected through an infrared temperature measurement module, a high-pixel digital image acquisition module simultaneously acquires the image information of the monitored sections, a matched data analysis system can implement comparative analysis on historical monitoring data, and early warning information can be sent out in time according to a set safe deformation threshold value.
Drawings
FIG. 1 is a left side view of the configuration of an intelligent scanner in the present invention;
FIG. 2 is a rear side view of the intelligent scanner of the present invention;
FIG. 3 is a bottom view of the intelligent scanner of the present invention;
FIG. 4 is an internal view of the intelligent scanner of the present invention;
fig. 5 is an overall view of the intelligent scanner in the present invention.
Detailed Description
The invention will be described in detail below with reference to the following figures and specific examples: the intelligent scanner for cave monitoring in the embodiment comprises a sensor module 1, a horizontal high-precision closed-loop motor 2, a vertical high-precision closed-loop motor 5, a control module 8, a wireless data acquisition and transmission module 10, a power supply module 9 and a structural frame 7,
the wireless data acquisition and transmission module 10 comprises a laser ranging module, an infrared temperature measurement module and a digital image acquisition module;
the bottom of the structural frame 7 is provided with a support with a bearing, the support is provided with a level pipe and a leveling support;
the sensor module 1 integrates the functions of high-precision distance measurement, temperature measurement and image shooting, and is connected with the horizontal high-precision closed-loop motor 2 and the horizontal motor 400-degree limiter 3 through transmission shafts;
the vertical motor 400-degree limiter 4 and the vertical high-precision closed-loop motor 5 are connected with the horizontal motor 400-degree stand device 6;
the omnidirectional cloud deck is matched with the sensor module 1, and can scan and detect the distance of the position point of the inner wall of an unobstructed space and the temperature of the position point and obtain the monitoring data of the distance, the temperature and the image on the cross section of the unobstructed space in the cave;
the control module 8 integrates the functions of master control, 4G communication and Bluetooth remote control.
The power supply module 9 is composed of a detachable battery pack 91, a battery pack management module 92, and a total power supply management module 93.
The control module 8 incorporates a gyroscope to monitor whether the instrument has been moved.
The control module 8 is provided with a detachable foot 10 which is detached when being matched with a geological tripod.
The bottom of the support is provided with a fan-shaped antiskid groove 11 of a tripod for geology.
The top of the tripod fan-shaped antiskid groove 11 is provided with 5/8 tripod interfaces 12 and an adapter 13 of 5/8 rotation 1/4, and the adapter 13 of 5/8 tripod interfaces 12 and 5/8 rotation 1/4 is arranged at the center of the support.
Example 1
The present invention now will be described more fully hereinafter with reference to the accompanying drawings, in which exemplary embodiments of the invention are shown. This invention may, however, be embodied in many different forms and should not be construed as limited to the exemplary embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
As shown in fig. 1-5, the present invention is an intelligent scanner for cave monitoring, comprising a sensor module 1, a horizontal high-precision closed-loop motor 2, a horizontal motor 400 degree limiter 3, a vertical motor 400 degree limiter 4, a vertical high-precision closed-loop motor 5, a horizontal motor 400 degree frame 6, and a frame 7; the system comprises an integrated control module A, a detachable battery pack B, a battery pack management module C, a total power management module D, a tripod head control communication module E, an adjustable horizontal bolt F, a fan-shaped anti-skidding groove G of a tripod for measurement, an 5/8 tripod interface H universal for a level, a transit-weft instrument and a total station, and an adapter I for 5/8 to 1/4;
the framework frame 7, the frames 2, 3, 4, 5 and 6 jointly form an omnidirectional tripod head matched with the frame 1, and the monitoring data of the distance, the temperature and the image on the cross section of the unobstructed space in the cave can be obtained through scanning;
a is an integrated control module which can communicate with 4G/5G; b is a detachable battery pack, C is a battery pack management module, D is a total power management module, and B, C, D jointly form a power module;
e, a cradle head control communication module and a gyroscope are integrated for monitoring whether the scanner is moved;
f is adjustable level foot bolt, can use according to the application scene demand and measure the tripod, and G is for measuring with the fan-shaped antiskid groove of tripod, and H is the general 5/8 tripod interface of spirit level, theodolite, total powerstation, and I is 5/8 commentaries on classics 1/4's adapter, is furnished with the special extracting tool of customization.
The working process of the scanner provided by the invention is as follows:
step 1, determining a layout position:
establishing a refined rock mass structure model through detailed engineering geological survey of a cave to be monitored, identifying one or a plurality of monitoring section positions to be monitored by using a stability analysis method and a key block theory, selecting a proper section monitoring device arrangement position, and adjusting an instrument to a horizontal state through foot bolts;
if the monitoring section is only 1, the monitoring section can be adjusted properly when the instrument is installed. If a plurality of monitoring sections exist, accurately measuring the rotation parameters of each section through field debugging, inputting instructions, and setting reasonable monitoring data acquisition frequency and data transmission parameters according to monitoring requirements;
and step 3, scanning and measuring:
sending a pulse signal to control the horizontal high-precision closed-loop motor to a set position, sending the pulse signal again to control the vertical high-precision closed-loop motor, driving the laser ranging sensor, the infrared temperature measuring sensor and the high-pixel image acquisition module to start section scanning, wherein the angle control precision is better than 0.05 degrees, measuring data and image data are transmitted to the wireless communication module through a serial port data line, and the measuring data are transmitted to a specified platform in real time;
in a word, the invention can realize automatic direction adjustment and rotary scanning by means of horizontal and vertical high-precision closed-loop motors through control instructions, can judge whether the cross section of the cave to be monitored is deformed or not by comparing cross section scanning data of different periods, well solves the problem that the traditional laser cross section scanner can only manually adjust and monitor different cross sections, and the data is stored on a memory card arranged in the scanner and cannot be wirelessly transmitted.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (6)
1. An intelligent scanner for monitoring a cave is characterized by consisting of a sensor module (1), a horizontal high-precision closed-loop motor (2), a vertical high-precision closed-loop motor (5), a control module (8), a wireless data acquisition and transmission module (10), a power supply module (9) and a structural frame (7),
the wireless data acquisition and transmission module (10) comprises a laser ranging module, an infrared temperature measurement module and a digital image acquisition module;
the bottom of the structural frame (7) is provided with a support with a bearing, the support is provided with a level pipe and can be leveled;
the sensor module (1) adopts a modular design, integrates the functions of high-precision distance measurement, temperature measurement and image shooting, reserves a common data interface, can replace different sensor modules of a high-precision micro laser radar and a hyperspectral camera according to the requirement of a monitoring technology, and is connected with a horizontal high-precision closed-loop motor (2) and a horizontal motor 400-degree limiter (3) through a transmission shaft;
the vertical motor 400-degree limiter (4) and the vertical high-precision closed-loop motor (5) are connected with the horizontal motor 400-degree shelf (6);
the omnidirectional tripod head is composed of a horizontal high-precision closed-loop motor (2), a horizontal motor 400-degree limiter (3), a vertical motor 400-degree limiter (4), a vertical high-precision closed-loop motor (5), a horizontal motor 400-degree limiter frame (6) and a structural frame (7), and can be matched with a sensor module (1) to scan and detect the distance and the temperature of the position point of the inner wall of an unobstructed space and obtain the monitoring data of the distance, the temperature and the image on the cross section of the unobstructed space in a cave;
the control module (8) integrates the functions of master control, 4G communication and Bluetooth remote control.
2. The intelligent scanner for cave monitoring of claim 1, wherein: the power supply module (9) is composed of a detachable battery pack (91), a battery pack management module (92) and a main power supply management module (93).
3. The intelligent scanner for cave monitoring of claim 1, wherein: the control module (8) incorporates a gyroscope for monitoring whether the instrument has been moved.
4. The intelligent scanner for cave monitoring of claim 1, wherein: the control module (8) is provided with a detachable foot (10) which is detached when being matched with a geological tripod.
5. The intelligent scanner for cave monitoring of claim 1, wherein: the bottom of the support is provided with a fan-shaped antiskid groove (11) of a tripod for geology.
6. The intelligent scanner for cave monitoring of claim 5, wherein: the top of the fan-shaped antiskid groove (11) of the tripod is provided with 5/8 tripod interfaces (12) and an adapter (13) of 5/8-rotation 1/4, and the 5/8 tripod interfaces (12) and the adapter (13) of 5/8-rotation 1/4 are arranged at the center of the support.
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| CN202011435019.0A CN112945134A (en) | 2020-12-10 | 2020-12-10 | A intelligent scanner for cave monitoring |
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| CN202011435019.0A CN112945134A (en) | 2020-12-10 | 2020-12-10 | A intelligent scanner for cave monitoring |
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