CN208140040U - Laser avenges depth gauge and its measuring system - Google Patents
Laser avenges depth gauge and its measuring system Download PDFInfo
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- CN208140040U CN208140040U CN201820476578.8U CN201820476578U CN208140040U CN 208140040 U CN208140040 U CN 208140040U CN 201820476578 U CN201820476578 U CN 201820476578U CN 208140040 U CN208140040 U CN 208140040U
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Abstract
The utility model provides a kind of laser snow depth gauge and its measuring system, it includes laser distance measurement sensor interconnected and middle control module that laser, which avenges depth gauge, wherein, laser distance measurement sensor is for measuring snow depth degree, obtain measurement numerical value, middle control module controls laser distance measurement sensor for handling measurement numerical value, and middle control module is microcontroller;In addition, it further includes long-range connecting interface and temperature-measuring module, long-range connecting interface, temperature-measuring module are connected with middle control module respectively, and temperature-measuring module is for measuring environment temperature.The utility model selects laser ranging module as laser distance measurement sensor, measures to snow depth degree;Since laser ranging module has many advantages, such as that precision is high, measuring speed is fast and strong antijamming capability, therefore selection laser distance measurement sensor substitutes ultrasonic sensor, so that laser snow depth gauge can achieve higher measurement accuracy, thus Practical significance with higher and market value.
Description
Technical field
The utility model belongs to civil engineering detection technique field, and in particular to a kind of laser snow depth gauge and its measurement system
System.
Background technique
Sensor can be used for requiring in precise measurement, quick response and steady in a long-term, reliable environment.Now on the market
Depth gauge is avenged mainly using ultrasonic sensor as range sensor, the depth of accumulated snow is measured.Supersonic sounding is mainly surveyed
The ultrasonic two-way time of amount carries out range measurement, and the measurement accuracy of ultrasound generally is 10mm, and supersonic sounding is deposited
In blind area, short-range data can not be measured.
Utility model content
Aiming at the shortcomings in the prior art, primary and foremost purpose is to provide a kind of laser snow depth gauge to the utility model.
Second purpose of the utility model is to provide a kind of laser snow depth-measuring system.
In order to achieve the above objectives, the solution of the utility model is:
A kind of laser snow depth gauge comprising laser distance measurement sensor interconnected and middle control module, wherein swash
Electrical distance measurement sensor obtains measurement numerical value, middle control module controls and swashs for handling measurement numerical value for measuring snow depth degree
Electrical distance measurement sensor, middle control module are microcontroller.
In a kind of preferred embodiment, laser snow depth gauge further includes long-range connecting interface, and long-range connecting interface is in
Control module is connected.
In a kind of preferred embodiment, laser snow depth gauge further includes temperature-measuring module, temperature-measuring module also with
Middle control module is connected, for measuring environment temperature locating for laser snow depth gauge.
A kind of laser snow depth-measuring system with above-mentioned laser snow depth gauge, further includes acquisition equipment and clothes
Business device, for being acquired to snow, server is connected acquisition equipment with laser snow depth gauge, obtains the survey that laser avenges depth gauge
Data are measured, and the measurement data is handled, wherein acquisition equipment is that metal acquires bucket, and server is remote server.
In a kind of preferred embodiment, it further includes fixed device that laser, which avenges depth-measuring system, is used for laser snow depth
Degree meter is fixed to the surface of acquisition equipment.
Wherein, laser snow depth gauge further includes long-range connecting interface, and long-range connecting interface is connected with middle control module, and is swashed
Light avenges depth gauge and is connected to server by long-range connecting interface.
By adopting the above scheme, the utility model has the beneficial effects that:
The utility model selects laser ranging module as laser distance measurement sensor, measures to snow depth degree;By
Have many advantages, such as that precision high (precision can reach 1mm), measuring speed be fast and strong antijamming capability in laser ranging module, therefore selects
Laser distance measurement sensor substitution ultrasonic sensor is selected, so that laser snow depth gauge can achieve higher measurement accuracy, from
And Practical significance with higher and market value.
Detailed description of the invention
Fig. 1 is that the laser of the utility model avenges the circuit block diagram of depth gauge.
Fig. 2 is that the laser of the utility model avenges the functional requirements schematic diagram of depth gauge.
Fig. 3 is that the laser of the utility model avenges the perspective view of depth gauge.
Fig. 4 is that the laser of the utility model avenges the mounting structure schematic diagram of depth-measuring system.
Appended drawing reference:
External cabling hole 1, onboard temperature sensor 2, laser distance measurement sensor 3, bottom case 4, the fixed device 5 of pcb board,
Master control borad 6, barrel 7, top shell 8, sensor limit fixation hole 9, the second fixed column 10, probe fixing seat 11, laser avenge depth gauge
12, accumulated snow bucket 13, accumulated snow bucket pedestal 14, bottom plate 15, the first fixed column 16 and probe fixing bracket 17.
Specific embodiment
The utility model provides a kind of laser snow depth gauge and its measuring system.
<Laser avenges depth gauge>
As shown in Figure 1, laser snow depth gauge 12 includes laser distance measurement sensor 3, middle control module, long-range connecting interface
And temperature-measuring module;Wherein, laser distance measurement sensor 3 and middle control module are connected with each other, laser distance measurement sensor 3
For measuring snow depth degree, measurement numerical value is obtained, middle control module controls laser distance measurement sensor for handling measurement numerical value
3;Long-range connecting interface is connected with middle control module;Temperature-measuring module is also connected with middle control module, for measuring the laser
Avenge environment temperature locating for depth gauge 12;Middle control module is microcontroller.
As shown in figure 3, in this specific embodiment, temperature-measuring module may include onboard temperature sensor 2, and/or swash
The temperature detecting unit being arranged in electrical distance measurement sensor 3, temperature-measuring module and laser distance measurement sensor 3 are all arranged
In the shell of laser snow depth gauge 12, the shell that laser avenges depth gauge 12 is cylindricality, including barrel 7, bottom case 4 and top shell 8, top
External cabling hole 1 and sensor limit fixation hole 9 are provided on shell 8, middle control module and laser distance measurement sensor 3 are all set
It is placed on master control borad 6, master control borad 6 is fixed on the fixed device 5 of pcb board, and the fixed device 5 of pcb board is arranged in laser snow depth degree
On the bottom case 4 of the shell of meter 12.
<Laser avenges depth-measuring system>
Laser snow depth-measuring system includes laser snow depth gauge 12, acquisition equipment, server and fixed device;Its
In, for being acquired to snow, server is connected acquisition equipment with laser snow depth gauge 12, obtains laser snow depth gauge 12
Measurement data, and the measurement data is handled, acquisition equipment is that metal acquires bucket, and server is remote server.Such as Fig. 4
It is shown, in this specific embodiment, fixed device include probe fixing bracket 17, probe fixing seat 11, the first fixed column 16 and
Second fixed column 10, both the first fixed column 16, second fixed column 10 are orthogonal, and probe fixing bracket 17 is set to second and consolidates
On fixed column 10, probe fixing seat 11 is set to 17 lower section of probe fixing bracket, and for installing laser snow depth gauge 12, and metal acquires
Bucket is accumulated snow bucket 13, and the accumulated snow bucket pedestal 14 by being set to 13 bottom of accumulated snow bucket is arranged onto bottom plate 15, and bottom plate 15 also hangs down
It is parallel with the second fixed column 10 directly in the first fixed column 16.
In the specific use process, fixed device be used to for laser snow depth gauge 12 being fixed to acquisition equipment just
Side.
In a particular embodiment, laser snow depth gauge 12 include laser distance measurement sensor 3 and temperature-measuring module, two
Person is installed in the shell of laser snow depth gauge 12, is connected with middle control module, and middle control module is connected with server,
The data of measurement are uploaded to server, user is by logging in the server, to obtain the measurement number stored in the server
According to the server is remote server.
Wherein, laser distance measurement sensor 3 is connected to middle control module by way of serial ports, and middle control module is a micro-control
Device MCU processed is set on the master control borad 6 of laser snow depth gauge 12.
Temperature-measuring module is an onboard temperature sensor 2, and the microcontroller of master control borad 6 is connected to by monobus mode
MCU, in a specific embodiment, the temperature detecting unit that can be also carried by laser distance measurement sensor 3 assist carrying out
Temperature acquisition obtains temperature value by the laser distance measurement sensor 3, at this point, microcontroller reads temperature by serial ports
Value (laser distance measurement sensor 3 is connected to middle control module by serial ports).
In fact, laser snow depth gauge 12 further includes long-range connecting interface, which is RS485 interface, and
Middle control module connects Ethernet conversion module by RS485 interface, and Ethernet conversion module is connected to by TCP connection mode
Remote server.
<The method for avenging depth measurement>
The method that snow depth measurement is realized in specific embodiment of the present utility model includes the following steps:
(1), installation laser avenges depth-measuring system;
(2), the laser snow depth gauge 12 in laser snow depth-measuring system is initialized;
(3), user's control laser snow depth gauge 12 is accordingly measured.
In fact, laser snow depth-measuring system includes server and acquisition equipment, server is remote server, is adopted
Integrate equipment and acquires bucket as metal;It further includes fixed device that laser, which avenges depth-measuring system, for laser snow depth gauge 12 is fixed
To the surface of acquisition equipment.
Wherein, step (1) includes:
(1.1), it is horizontally mounted acquisition equipment;
(1.2), fixing device for installing;
(1.3), by mounted fixed device in step (1.2), by laser snow depth gauge 12 installation to acquisition equipment
Surface;
(1.4), the long-range connecting interface of laser snow depth gauge 12 is connected to server.
Wherein, step (2) is:It includes middle control module and laser distance measurement sensor 3, laser snow that laser, which avenges depth gauge 12,
Depth gauge 12 avenges the initial depth that equipment is acquired in depth-measuring system by 3 exploring laser light of laser distance measurement sensor, and
The initial depth is uploaded to the server in laser snow depth-measuring system.
Laser snow depth gauge 12, which needs to be equipped with, acquires bucket using metal to acquire snow, and laser snow depth gauge 12 is vertically downward
It is fixed in the fixation device above metal acquisition bucket, before measuring for the first time, records the distance of camera lens of laser snow depth gauge 12
Metal acquires the height of bucket bottom, and the data are uploaded to server.
Wherein, step (3) includes:
(3.1), after laser snow depth gauge 12 is connected to server, user avenges depth gauge 12 to the laser by server
Sending measuring instruction;
(3.2), after laser snow depth gauge 12 obtains the measurement instruction, and range data is measured according to the measurement instruction
And temperature data;
(3.3), laser snow depth gauge 12 by above-mentioned range data and temperature data with specific protocol packing be one group
Data, and send it to server.
It further includes temperature-measuring module that laser, which avenges depth gauge 12, and temperature-measuring module is also connected with middle control module, is used for
Measure environment temperature locating for laser snow depth gauge 12.
Wherein, measurement instruction includes snow depth degree measurement instruction and temperature measurement instruction, and
When measurement instruction includes snow depth degree measurement instruction, step (3.2) is:
Laser avenges depth gauge 12 and obtains the measurement instruction, and according to the measurement instruction, passes through laser distance measurement sensor 3
It is accordingly measured, obtains snow depth value, i.e. range data.
In a specific embodiment, laser distance measurement sensor 3 with the principle of triangulation in optics carry out away from
From measurement.
Principle of triangulation is summarized:Laser distance measurement sensor 3 is internally provided with infrared launcher, infrared emission dress
It sets and emits infrared beam according to certain angle, light beam will reflect after encountering testee, reflected light quilt
Laser distance measurement sensor 3 detects and obtains an offset.And then can calculate laser to object distance.
When measurement instruction includes temperature measurement instruction, step (3.2) is:
Laser avenges depth gauge 12 and obtains the measurement instruction, and according to the measurement instruction, carries out phase by temperature-measuring module
It should measure, obtain temperature value, i.e. temperature data.
In fact, laser snow depth gauge 12 passes through middle control when the data accordingly measured obtained in step (3) are greater than a kind of
Module is uploaded to server after being packaged to data to be uploaded again.
The distance values of plane are avenged in the acquisition equipment that middle control module is obtained according to laser distance measurement sensor 3, and
The initial depth (configuring when installation) of equipment is acquired, obtains snow depth value, specially:
Snow depth value=| distance values-initial depth |.
In a specific embodiment, the working principle of middle control module measurement distance values is as follows:
Microcontroller uses STM32, is connect by serial mode with laser distance measurement sensor 3, in the measurements,
Firstly, microcontroller sends the instruction of " starting to measure " to laser distance measurement sensor, after waiting 1s, laser distance is surveyed
Quantity sensor 3 sends the distance values of this measurement to microcontroller, and microcontroller is converted to the distance values floating
The data of vertex type, which are saved in piece, formulates memory headroom.
In a specific embodiment, as shown in Fig. 2, laser snow depth gauge 12 has following demand structure:
Temperature acquisition, snow depth measurement, telecommunication and real-time system.Wherein, telecommunication include snow depth telemetry and
Remote temperature sensing, real-time system includes communication thread, daemon thread and data processing, and data processing includes snow advanced treating and temperature
Degree processing.Corresponding function is as shown in table 1:
The functional requirements of 1 laser of table snow depth gauge
Function title | Priority | It briefly describes |
Temperature acquisition | It is high | Environment temperature is measured |
Avenge depth measurement | It is high | Avenge depth measurement |
Telecommunication | It is high | Connect remote server |
Avenge depth telemetry | In | Snow depth data is sent to server |
Remote temperature sensing | In | Temperature data is sent to server |
Real-time system | It is high | Real-time system running environment |
Communication thread | In | The realization of communication protocol |
Daemon thread | In | Hardware driving, house dog etc. are realized |
Avenge advanced treating | It is low | The data of the snow depth degree of acquisition are handled |
Temperature Treatment | It is low | The data of the temperature of acquisition are handled |
And temperature acquisition is as follows:
(1), function describes:Environment temperature is measured, using temperature-measuring module to locating for the temperature-measuring module
Environment carries out temperature measurement;
(2), input item:Environment temperature;
(3), processing description:Temperature measurement is carried out using temperature-measuring module, and data processing is carried out to measurement data, is protected
It deposits to specified memory headroom;
(4), output item:Current Temperatures numerical value.
And it is as follows to avenge depth measurement:
(1), function describes:Snow depth degree is measured, snow depth degree is measured using laser distance measurement sensor;
(2), input item:Snow depth;
(3), processing description:Depth measurement is carried out using laser distance measurement sensor, and data are carried out to measurement data
Processing is saved to specified memory headroom;
(4), output item:Current depth numerical value.
In a particular embodiment, the specified memory headroom that temperature acquisition and the snow resulting data storage of depth measurement are arrived can
By user's sets itself.
And telecommunication is as follows:
(1), function describes:Remote server is connected by RS485 interface, handles the instruction that remote server is sent, and
Reply data information;
(2), input item:Remote server instruction;
(3), processing description:After receiving remote server instruction, middle control module is completed corresponding according to different instructions
Communication work;And support PC inspection software, long-range detection platform and mobile cloud detection;
(4), output item:Data to be replied.
And it is as follows to avenge depth telemetry:
(1), function describes:Server remote monitors snow depth degree;
(2), input item:Treated avenges depth data;
(3), processing description:It receives data, save data.
And remote temperature sensing is as follows:
(1), function describes:Server remote telethermograph;
(2), input item:Treated temperature data;
(3), processing description:It receives data, save data.
And real-time system is as follows:
(1), function describes:Run FreeRtos system;
(2), processing description:The driving of equipment (laser distance measurement sensor etc.), the processing and agreement of related data
Processing etc..
And communication thread is as follows:
(1), function describes:It is handled for realizing sending and receiving data and to the packing of data;
(2), processing description:The data for receiving the transmission of RS485 interface, according to the specified processing of corresponding communication protocol operation
Thread;
(3), output item:Message queue.
And daemon thread is as follows:
(1), function describes:Hardware driving, and realize house dog etc.;
(2), processing description:Daemon thread, timing feed house dog, hardware driving, hardware error processing and communication mistake
Processing.
And it is as follows to avenge advanced treating:
(1), function describes:The data of the snow depth degree of acquisition are handled;
(2), input item:Measure the snow depth data obtained;
(3), processing description:Snow depth data is handled, the validity for determining data and the unit for carrying out data turn
It changes;
(4), output item:Snow depth data to be packaged.
And Temperature Treatment is as follows:
(1), function describes:The temperature of acquisition is handled;
(2), input item:Measure the temperature data obtained;
(3), processing description:Temperature data is handled, determines the validity of data, the numerical value for trip temperature data of going forward side by side
Conversion;
(4), output item:Temperature data to be packaged.
In order to be subjected to rugged environment and environmental monitoring needs, the shell which avenges depth gauge 12 uses full waterproof anti-explosion
Construction, is suitable for various harsh environment (such as low temperature resistant), built-in laser distance measurement sensor, measurement range is arrived 0.02
Between 50m, precision is ± 1mm.
In a specific embodiment, the laser snow depth gauge 12 have five external cablings, respectively yellow line, red line,
Blue line, green line and shielding line, shown in mode of connection table 2:
2 laser of table avenges the line in depth gauge
Laser is avenged depth gauge 12 and should first be checked whole when producing and checking and accepting, and checks that whether there is or not damage places, if complete
It is good, then it powers to laser snow depth gauge 12, and supply voltage is direct current 12V.In a particular embodiment, soft using special purpose computer
Part to laser snow depth gauge 12 test, in measurement process, laser probe emit feux rouges and with buzzer it is very brief
" drop " sound is (faint) to be occurred, and has data recovery in 1s, and valid data are not 0.
In a particular embodiment, laser snow depth gauge 12 is also configured with fixed frame, and is installed by the fixed frame.
It should be noted that the acquisition precision and high sensitivity of laser snow depth gauge 12, although having been done when design
Shielding processing, but accurately measurement data in order to obtain, when use, should make an uproar source far from electricity, such as power line, generator, motor, change
Depressor and arc-welding machine etc., and suitable filter can be selected as needed, and the connection of the cable of laser snow depth gauge 12 adds
Long usable special joint.
And all included lightning protection function in every channel of laser snow depth gauge 12, if using other manufacturers instrument into
Row reading, then must be usually i.e. by cable good earth, or connection surge matched with the instrument of other manufacturers for reading
Arrester.
The key technical indexes that the laser avenges depth gauge 12 is as follows:
Standard range:0.02-50m, measurement accuracy:± 1mm, time of measuring:1s, impact resistance:2000g, supply voltage:DC
12V, thermometric range:- 40~85 DEG C, temperature measurement accuracy:0.5 DEG C, communication interface:RS485, communication distance are greater than 1000 meters, baud
Rate:9600bps, supply voltage:9~36V of DC, electric current:< 500mA, power consumption:< 6W.
In a kind of specific embodiment, the height L=600mm of bucket is acquired, acquires the diameter n=600mm of bucket, acquires bucket
Plate thickness δ=8mm.
Working environment demand:
Temperature:- 35~+40 DEG C, humidity:≤ 80%, atmospheric pressure:70~l06kPa.
Transport and storage environment:
Temperature:- 40~+55 DEG C, humidity:≤ 93%, atmospheric pressure:50~l06kPa, preferably 70~106kPa.
If the laser snow reading of depth gauge 12 goes wrong, following steps can be taken to carry out problem investigation:
(1), check whether the installation of laser snow depth gauge 12 is wrong;
(2), check whether the line between laser snow depth gauge 12 and Acquisition Instrument is problematic;
(3), check whether Acquisition Instrument power supply is problematic, if power supply power supply is excessive, please check whether it is power overload situation, burn out
Laser avenges depth gauge 12;
(4) if, software waveform reading there is regular interference, check acquisition instrument and laser snow depth gauge 12 be
No separate sources of electronic noise.
The above-mentioned description to embodiment is that this reality can be understood and used for the ease of those skilled in the art
With novel.Those skilled in the art obviously readily can make various modifications to these embodiments, and illustrating herein
General Principle be applied in other embodiments, without having to go through creative labor.Therefore, the utility model is not limited to above-mentioned
Embodiment.Those skilled in the art's principle according to the present utility model does not depart from the improvement that the scope of the utility model is made
It should be all within the protection scope of the utility model with modification.
Claims (8)
1. a kind of laser avenges depth gauge, it is characterised in that:It includes laser distance measurement sensor interconnected and middle control mould
Block, wherein the laser distance measurement sensor obtains measurement numerical value, the middle control module is for locating for measuring snow depth degree
Reason measurement numerical value, and control the laser distance measurement sensor.
2. laser according to claim 1 avenges depth gauge, it is characterised in that:It further includes long-range connecting interface, described remote
Journey connecting interface is connected with the middle control module.
3. laser according to claim 1 avenges depth gauge, it is characterised in that:It further includes temperature-measuring module, the temperature
Degree measurement module is also connected with the middle control module, for measuring environment temperature locating for laser snow depth gauge.
4. laser according to claim 1 avenges depth gauge, it is characterised in that:The middle control module is microcontroller.
5. a kind of laser with the described in any item laser snow depth gauges of claim 1-4 avenges depth-measuring system, including swashs
Light avenges depth gauge, it is characterised in that:It further includes acquisition equipment and server, and the acquisition equipment is for adopting snow
Collection, the server are connected with laser snow depth gauge, obtain the measurement data of the laser snow depth gauge, and to the survey
Amount data are handled.
6. laser according to claim 5 avenges depth-measuring system, it is characterised in that:It further includes fixed device, is used for
Laser snow depth gauge is fixed to the surface of the acquisition equipment.
7. laser according to claim 5 avenges depth-measuring system, it is characterised in that:The laser avenges depth gauge
Long-range connecting interface, the long-range connecting interface are connected with the middle control module, and laser snow depth gauge is described in
Long-range connecting interface is connected to the server.
8. laser according to claim 5 avenges depth-measuring system, it is characterised in that:The acquisition equipment is metal acquisition
Bucket, the server are remote server.
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CN201820476578.8U CN208140040U (en) | 2018-04-04 | 2018-04-04 | Laser avenges depth gauge and its measuring system |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108225210A (en) * | 2018-04-04 | 2018-06-29 | 华东建筑设计研究院有限公司 | Laser avenges depth gauge and its measuring system and measuring method |
CN111751832A (en) * | 2020-05-31 | 2020-10-09 | 中煤科工集团武汉设计研究院有限公司 | Automatic leveling type deep well distance measuring instrument |
-
2018
- 2018-04-04 CN CN201820476578.8U patent/CN208140040U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108225210A (en) * | 2018-04-04 | 2018-06-29 | 华东建筑设计研究院有限公司 | Laser avenges depth gauge and its measuring system and measuring method |
CN111751832A (en) * | 2020-05-31 | 2020-10-09 | 中煤科工集团武汉设计研究院有限公司 | Automatic leveling type deep well distance measuring instrument |
CN111751832B (en) * | 2020-05-31 | 2023-12-08 | 中煤科工集团武汉设计研究院有限公司 | Automatic leveling type deep well range finder |
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