CN215766918U - High-precision short-distance laser deflection wireless measuring device - Google Patents
High-precision short-distance laser deflection wireless measuring device Download PDFInfo
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- CN215766918U CN215766918U CN202121861239.XU CN202121861239U CN215766918U CN 215766918 U CN215766918 U CN 215766918U CN 202121861239 U CN202121861239 U CN 202121861239U CN 215766918 U CN215766918 U CN 215766918U
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Abstract
The utility model relates to the technical field of deflection measurement, in particular to a high-precision short-distance laser deflection wireless measuring device which comprises a shell, wherein one end of the shell is provided with a connecting part for fixing with a measured object, and the other end of the shell is provided with an open mounting groove; the laser ranging sensor is fixedly arranged in the mounting groove, emits laser beams outwards and is used for acquiring the distance between the laser beams and the reflecting piece by receiving the laser beams reflected by the reflecting piece; the wireless control module is used for acquiring distance data acquired by the laser ranging sensor and carrying out wireless communication with the outside; the utility model can effectively solve the technical defects of the prior art in the static load test of the single beam and the bearing capacity test of the foundation pile.
Description
Technical Field
The utility model relates to the technical field of deflection measurement, in particular to a high-precision short-distance laser deflection wireless measurement device.
Background
In a monolithic beam static load test and a foundation pile bearing capacity detection test, the settlement or deflection of a measured object needs to be monitored in real time, a mechanical dial indicator or a telescopic rod type displacement sensor is usually adopted at present, and the following defects mainly exist:
1. the operation is complicated, time-consuming and low in efficiency, and the field detection work is not facilitated to be rapidly carried out;
2. the operation space is limited, and the operation space is a high-risk area, so that the potential safety hazard risk is large;
3. the gauge stand is manually installed, so that the gauge stand is easy to skew, and the deviation between the measured data and the real settlement is caused;
4. the dial indicator adopts manual reading, data cannot be acquired in real time, and errors are easy to occur in measurement and reading;
5. the displacement sensor adopts wired connection for collection, and potential safety hazards in the field are increased.
Based on the practical shortcoming of implementing among the prior art, need urgently to provide a novel measuring device, realize high-efficient, accurate ground experiment detection.
SUMMERY OF THE UTILITY MODEL
Solves the technical problem
Aiming at the defects in the prior art, the utility model provides a high-precision short-distance laser deflection wireless measuring device which can effectively overcome the technical defects in the single-beam static load test and foundation pile bearing capacity test in the prior art.
Technical scheme
In order to achieve the purpose, the utility model is realized by the following technical scheme:
the utility model provides a high-precision short-distance laser deflection wireless measuring device which comprises a shell, wherein one end of the shell is provided with a connecting part for fixing with a measured object, and the other end of the shell is provided with an open mounting groove; the laser ranging sensor is fixedly arranged in the mounting groove, emits laser beams outwards and is used for acquiring the distance between the laser beams and the reflecting piece by receiving the laser beams reflected by the reflecting piece; the wireless control module is used for acquiring distance data acquired by the laser ranging sensor and carrying out wireless communication with the outside;
the reflecting piece is arranged under the laser ranging sensor, and the reflecting surface of the reflecting piece and the laser ranging sensor are kept in a horizontal posture.
Further, still include the leveling subassembly, the leveling subassembly with laser rangefinder sensor is fixed to be met, and it mainly includes 3 flexible motors that are regular triangle and arrange, through 3 flexible motor adjustment makes laser rangefinder sensor keep horizontal gesture.
Furthermore, the upper end of the telescopic motor is fixed on the inner wall of the mounting groove, the lower end of the telescopic motor is fixed with a loading platform, a rectangular connecting seat is fixed at the bottom of the loading platform, the laser ranging sensor is fixed on the lower side of the rectangular connecting seat, a gyroscope sensor is arranged on the loading platform, senses the gravity direction of the loading platform, controls the telescopic motor, and enables the loading platform to be horizontal.
Furthermore, the inside of rectangle connecting seat is equipped with the holding chamber, the holding chamber is used for installing wireless control module and power supply.
Further, connecting portion include magnet and iron sheet, the magnet is embedded to be fixed the shell upper end, the iron sheet passes through AB glue and pastes on the testee, the shell passes through the magnet adsorption to be fixed on the iron sheet, the mounting groove is close to the opening part and is provided with planar lens.
Further, the wireless control module comprises a WiFi communication module and a single chip microcomputer, and serial port communication is adopted between the single chip microcomputer and the WiFi communication module and between the single chip microcomputer and the gyroscope sensor.
Furthermore, the light reflecting piece comprises a circular plate and an inserting nail, the inserting nail is fixed at the bottom of the circular plate, and a light reflecting film is attached to the top surface of the circular plate.
Advantageous effects
Compared with the known public technology, the technical scheme provided by the utility model has the following beneficial effects:
the utility model utilizes a plurality of measuring devices with horizontal postures arranged on a measured object, and utilizes the matching of the laser ranging sensor of the measuring device and the reflector right below the measuring device to obtain the distance change between the measuring device and the reflector, thereby obtaining the deflection change generated by the measured object, the measuring precision can reach 0.1mm, and the measuring precision requirement of engineering measurement is met. Meanwhile, compared with the operation mode in the prior art, the traditional complicated detection steps are reduced, the efficiency is improved, wireless remote operation is realized, and the potential safety hazard in the field is reduced; the wireless control module is used for realizing wireless transmission and real-time data acquisition, so that risk potential hazards can be sensed in advance, and safety accidents are avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the utility model, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic view of a measuring device according to the present invention attached to an object to be measured;
FIG. 2 is a schematic view of a measuring device according to the present invention;
the reference numerals in the drawings denote: 1-a housing; 2-laser ranging sensor; 3-a wireless control module; 4-a telescopic motor; 5-a loading platform; 6-a rectangular connecting seat; 7-a gyroscope sensor; 8-iron sheet; 9-a reflector; 10-the object to be tested; 101-mounting grooves; 102-a planar lens; 103-a magnet; 901-circular plate; 902-inserting a nail; 903-reflecting film.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present invention will be further described with reference to the following examples.
Example (b):
the utility model provides a high-precision short-distance laser deflection wireless measuring device which is mainly applied to a monolithic beam static load test and a foundation pile bearing capacity detection test and can monitor the settlement or deflection of a measured object 10 in real time.
Referring to fig. 1-2, the measuring device main body includes a housing 1, one end of the housing 1 is provided with a connecting portion for fixing with an object to be measured 10, and the other end is formed with an open mounting groove 101, the mounting groove 101 is located at one side of the connecting portion to provide a space for mounting each measuring assembly, and the connecting portion adopted in the embodiment is: including magnet 103 and iron sheet 8, magnet 103 is embedded to be fixed in shell 1 upper end, and iron sheet 8 passes through the AB glue and pastes on the testee 10, and shell 1 passes through magnet 103 to adsorb to be fixed on iron sheet 8, accomplishes the fixed of measuring device on testee 10. Wherein, preferably, the installation groove 101 is provided with a plane lens 102 near the opening, and the plane lens 102 has good dustproof and protective capabilities.
Wherein the measuring component mainly is laser range sensor 2, and laser range sensor 2 in this embodiment adopts the high accuracy laser sensor of HG-C1100 model, laser sensor's theory of operation: the laser emitting diode first emits laser pulses directed at a target. The laser light is scattered in all directions after being reflected by the target. Part of the scattered light returns to the sensor receiver, is received by the optical system and is imaged onto the avalanche photodiode. An avalanche photodiode is an optical sensor with amplification inside, so it can detect extremely weak optical signals and convert them into corresponding electrical signals, and by recording and processing the time elapsed from the emission of the optical pulses to the return reception, the target distance can be determined. The fixed setting of the 2 main parts of laser range sensor of this product is in mounting groove 101, is equipped with reflection of light piece 9 under it during the use, and the reflection of light face and the laser range sensor 2 of reflection of light piece 9 all keep horizontal gesture, at its laser range sensor 2 laser beam of outwards launching, pass plane lens 102 to through receiving the laser beam through reflection of light piece 9, be used for acquireing the distance between measuring device and the reflection of light piece 9.
The reflective member 9 mainly comprises a circular plate 901 and an insert pin 902, the insert pin 902 is fixed at the bottom of the circular plate 901, a reflective film 903 is attached to the top surface of the circular plate 901, and when the reflective member is used, the main body is fixed on the ground through the insert pin 902.
And wireless control module 3, wireless control module 3 gathers the distance data that laser rangefinder sensor 2 acquireed to carry out radio communication with the outside, this device possesses outside radio communication ability, during the use, conveniently carries out wireless connection with notebook computer, and remote transmission data reaches the real-time collection purpose, and wireless remote operation has reduced on-the-spot potential safety hazard simultaneously. The core of wireless control module 3 in this embodiment includes wiFi communication module and singlechip, adopts serial communication between singlechip and wiFi communication module and gyroscope sensor 7, and its specific serial connection mode is no longer repeated here for prior art.
Referring to fig. 2, the laser ranging device further comprises a leveling component, the leveling component is fixedly connected with the laser ranging sensor 2 and mainly comprises 3 telescopic motors 4 which are arranged in a regular triangle, and the laser ranging sensor 2 is adjusted to keep a horizontal posture through the 3 telescopic motors 4. The telescopic motor 4 in the embodiment is a micro telescopic motor 4, and the telescopic amount of the telescopic motor 4 is 10-20 mm.
The concrete connection mode is as follows: the upper end of flexible motor 4 is fixed on the inner wall of mounting groove 101, a loading platform 5 is fixed to the lower extreme, loading platform 5 is the iron plate that a thickness is 1mm in this embodiment, loading platform 5's bottom is fixed with rectangle connecting seat 6, laser rangefinder sensor 2 pastes the downside of tightly fixing at rectangle connecting seat 6 with the screw, be provided with gyroscope sensor 7 on loading platform 5, gyroscope sensor 7 perception loading platform 5 direction of gravity, the gyroscope can be through flexible motor 4 of wired mode control, make loading platform 5 keep the level, thereby guarantee that laser rangefinder sensor 2 keeps the horizontal attitude all the time.
The inside of design rectangle connecting seat 6 is equipped with the holding chamber in this embodiment, and the holding chamber is used for installing wireless control module 3 and power supply, and power supply mainly provides electric power for each device and supports.
The measuring device comprises the following steps:
1) sticking an iron sheet 8 on a test point of a tested object 10 by using AB glue;
2) after the iron sheet 8 is firmly adhered, the surface of the shell 1 with the magnet 103 is aligned with the iron sheet 8 for stable adsorption, and the connection of a plurality of measuring devices at the test point of the object to be measured 10 is completed in sequence;
3) opening a power supply switch of the measuring device, and arranging a reflecting piece 9 under the measuring device;
4) adjusting the position of a circular reflective film 903 of the reflector 9 to enable a laser point emitted by the measuring device to be positioned near the center of the reflective film 903;
5) starting a computer, and starting test software to connect the measuring device and the computer through WIFI;
6) after the connection is successful, balancing and resetting the data to finish the leveling of the loading platform 5;
7) clicking to start testing, collecting deflection data in real time, and starting testing;
8) after the test is finished, clicking to stop the test, and automatically storing the data;
9) and (5) turning off a power switch of the equipment, disassembling the equipment and completing the test.
This scheme utilizes the measuring device of a plurality of horizontal gestures settings on testee 10, utilizes measuring device's laser rangefinder sensor 2 rather than the reflector 9 cooperation under, acquires the distance change between this device and reflector 9 to obtain the amount of deflection change that testee 10 produced, the measuring accuracy can reach 0.1mm, satisfies the engineering measurement accuracy requirement, the operation detects conveniently, efficient and be convenient for realize real-time supervision, avoids the incident.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not cause the essence of the corresponding technical solutions to depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. The utility model provides a high accuracy laser amount of deflection wireless measuring device closely which characterized in that includes:
the device comprises a shell, a first fixing device and a second fixing device, wherein one end of the shell is provided with a connecting part for fixing with a measured object, and the other end of the shell is provided with an open mounting groove;
the laser ranging sensor is fixedly arranged in the mounting groove, emits a laser beam outwards and is used for acquiring the distance between the laser beam and the reflecting piece by receiving the laser beam reflected by the reflecting piece;
the wireless control module is used for acquiring distance data acquired by the laser ranging sensor and carrying out wireless communication with the outside;
the reflecting piece is arranged under the laser ranging sensor, and the reflecting surface of the reflecting piece and the laser ranging sensor are kept in a horizontal posture.
2. The high-precision short-distance laser deflection wireless measuring device is characterized by further comprising a leveling component, wherein the leveling component is fixedly connected with the laser ranging sensor and mainly comprises 3 telescopic motors which are arranged in a regular triangle, and the laser ranging sensor is kept in a horizontal posture through adjustment of the 3 telescopic motors.
3. The high-precision short-distance laser deflection wireless measuring device as claimed in claim 2, wherein the upper end of the telescopic motor is fixed on the inner wall of the mounting groove, the lower end of the telescopic motor is fixed with a loading platform, the bottom of the loading platform is fixed with a rectangular connecting seat, the laser distance measuring sensor is fixed on the lower side of the rectangular connecting seat, the loading platform is provided with a gyroscope sensor, the gyroscope sensor senses the gravity direction of the loading platform and controls the telescopic motor to enable the loading platform to be kept horizontal.
4. The high-precision short-distance laser flexibility wireless measuring device as claimed in claim 3, wherein a containing cavity is formed inside the rectangular connecting seat, and the containing cavity is used for installing the wireless control module and a power supply.
5. The high-precision short-distance laser deflection wireless measuring device according to claim 1, wherein the connecting portion comprises a magnet and an iron sheet, the magnet is embedded and fixed at the upper end of the shell, the iron sheet is adhered to the object to be measured through AB glue, the shell is fixed on the iron sheet through magnet adsorption, and the mounting groove is provided with a planar lens near the opening.
6. The high-precision short-distance laser deflection wireless measuring device as claimed in claim 1, wherein the wireless control module comprises a WiFi communication module and a single chip microcomputer, and serial port communication is adopted among the single chip microcomputer, the WiFi communication module and the gyroscope sensor.
7. The high-precision short-distance laser deflection wireless measuring device according to claim 1, wherein the reflecting piece comprises a circular plate and an insert pin, the insert pin is fixed at the bottom of the circular plate, and a reflecting film is attached to the top surface of the circular plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121861239.XU CN215766918U (en) | 2021-08-10 | 2021-08-10 | High-precision short-distance laser deflection wireless measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121861239.XU CN215766918U (en) | 2021-08-10 | 2021-08-10 | High-precision short-distance laser deflection wireless measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215766918U true CN215766918U (en) | 2022-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121861239.XU Active CN215766918U (en) | 2021-08-10 | 2021-08-10 | High-precision short-distance laser deflection wireless measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215766918U (en) |
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2021
- 2021-08-10 CN CN202121861239.XU patent/CN215766918U/en active Active
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