CN202562445U - Snow depth multipoint self-operated measuring device based on laser range-finding principle - Google Patents
Snow depth multipoint self-operated measuring device based on laser range-finding principle Download PDFInfo
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- CN202562445U CN202562445U CN2012201241478U CN201220124147U CN202562445U CN 202562445 U CN202562445 U CN 202562445U CN 2012201241478 U CN2012201241478 U CN 2012201241478U CN 201220124147 U CN201220124147 U CN 201220124147U CN 202562445 U CN202562445 U CN 202562445U
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Abstract
The present utility model discloses a snow depth multipoint self-operated measuring device based on the laser range-finding principle. The device comprises a laser range-finding sensor, a support, a ground annular reference plate, a rotating shaft, a rotating shaft rotating motor, a data acquisition processing and control unit connected with the laser range-finding sensor, and a power supply unit; the laser range-finding sensor is arranged on the rotating shaft, the rotating shaft and the rotating shaft rotating motor are arranged on the support, the data acquisition processing and control unit and the power supply unit are arranged on the support; the support is vertical with the ground, and the ground annular reference plate is arranged horizontally, and is parallel and level with the ground. In the device, the rotating shaft is used for driving the laser range-finding sensor to realize snow depth measuring of a circumference area, the snow depth of a certain area can be automatically measured, measuring results can be prevented from being influenced by animals, foreign materials, wind and other random factors, and the device is simple in structure and low in costs.
Description
Technical field
The utility model relates to the meteorological observation field, is a kind of device of measuring automatically based on snow depth multiple spot in the test zone realized of laser distance measuring principle.
Background technology
Snow depth refers to the vertical range that the accumulated snow surface arrives ground, is the important observation data in the surface weather observation.The classic method that snow depth is measured by meteorological department is in observation field, to select to measure at a distance of three measurement points insertion snow scales of 10 meters; Through artificial observation everywhere the snow face bury the scale mark of gage, get the mean value of three measurement results then and represent snow depth.The artificial observation method wastes time and energy, and stochastic error is big, and operation easier is big during inclement weather, is difficult to realize real-time monitoring.
Present automatic observation method like the method for image recognition, is to replace the artificial image of gathering snow scale through camera, calculates dark snow scale and the relation of Bai Xue through image recognition software then, draws the degree of depth of snow.Though this method can obtain the snow depth data in real time, under the situation of heavy snow or low visibility, the error of IMAQ is very big, and view data to take storage space big, the counting yield of computing machine is also low.
A kind of in addition is to measure snow depth through the method for ultrasonic sensor or laser sensor range finding; But they only carry out Continuous Observation to a location point; When this location point receives animal destruction, foreign material interference, wind influence etc.; Device can produce wrong report data or observation station and problem such as destroy, and can't as artificial observation, make rational judgement.
The utility model content
The purpose of the utility model is to overcome the deficiency of prior art and a kind of snow depth multiple spot self-operated measuring unit based on laser distance measuring principle is provided; Be intended to solve that current artificial observation snow depth method wastes time and energy, error is big; Can't realize real-time monitored and have now observing the snow depth device only a location point observed, can't be disturbed problems such as making reasonable judgement to external world automatically; It can realize automatic measurement to the snow depth of a plurality of location points in the test zone, provides in real time, high precision, stable actual snow depth data.
For realizing above-mentioned purpose, the technical scheme that the utility model adopts is following:
A kind of snow depth multiple spot self-operated measuring unit based on laser distance measuring principle comprises: laser range sensor, support, ground annular reference plate, rotation axis, rotation axis electric rotating machine; Said laser range sensor is installed on the said rotation axis, and said rotation axis and rotation axis electric rotating machine are installed on the said support, also comprise:
Data acquisition process and control module; Be used to control said laser range sensor rotational frequency, angle, SI and the sample size that moving axis rotates a circle that rotate; The working status parameter and the snow depth data of gathering and preserving said laser range sensor; According to sampling and the different value of control algolithm rejecting snow depth sampling, the snow depth data after the rejecting difference value and the working status parameter of said laser range sensor are transferred to automatic weather station or terminal computer;
Power supply unit is used for WV to said laser range sensor, rotation axis electric rotating machine and data acquisition process and control module being provided.
Wherein, the installation perpendicular to the ground of said support, said ground annular reference plate level is installed and and ground
Concordant.
More excellent, said rotation axis and rotation axis electric rotating machine are installed in said cantilever tip, said rotation axis
Electric rotating machine is a stepper motor.Said data acquisition process and control module and power supply unit are installed on the said support.
Further, said data acquisition process and control module transmit the working status parameter of said laser range sensor and the snow depth data after the different value of said rejecting through serial interface to said automatic weather station or terminal computer.
When rotation axis rotates, drive laser range sensor and rotate, laser range sensor records the snow face of being had a few on the annular reference plate circumference of the ground distance L to sensor simultaneously
1, the distance L of being had a few to the annular reference plate circumference of ground with sensor
0Deduct and record data L
1Obtain snow depth data L=L
0-L
1
Through data acquisition process and control module control laser range sensor rotational frequency, angle, SI and the sample size that moving axis rotates a circle that rotate; Gather and preserve the working status parameter and the snow depth data of laser range sensor; And according to the difference value of sampling and control algolithm rejecting snow depth is sampled; Give automatic weather station or terminal computer with the snow depth data after the different value of rejecting and the working status parameter information transmission of said laser range sensor; Handle by built-in algorithms by automatic weather station or terminal computer, thereby obtain representing laser range sensor to belong to the snow depth of peripheral region.
The utility model drives laser range sensor through rotation axis and carries out the measurement of circumferential area snow depth, can realize the automatic measurement of snow depth in some regional extents; Simultaneously can avoid of the influence of enchancement factors such as animal, foreign material, wind to measurement result; No matter be the representativeness of measurement result or the accuracy of measurement result; All will be superior to manual work or other carries out single-point snow depth measured sensor, and this apparatus structure is simple, with low cost.
Description of drawings
Fig. 1 is the surface structure synoptic diagram based on the snow depth multiple spot self-operated measuring unit of laser distance measuring principle that the utility model embodiment provides;
Fig. 2 is the principle of work process flow diagram based on the snow depth multiple spot self-operated measuring unit of laser distance measuring principle that the utility model embodiment provides;
Fig. 3 is a Laser Measuring snow depth principle of work synoptic diagram;
Among the figure: 1 ~ rotation axis, 2 ~ laser range sensor, 3 ~ web member, 4 ~ data acquisition process and control module, 5 ~ support, 6 ~ ground annular reference plate, 7 ~ automatic weather station or terminal computer.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing.
See also shown in Figure 1ly, a kind of snow depth multiple spot self-operated measuring unit based on laser distance measuring principle comprises rotation axis 1; Laser range sensor 2, web member 3, data acquisition process and control module 4; Support 5, ground annular reference plate 6, automatic weather station or terminal computer 7.
Said laser range sensor 2 is installed on the rotation axis 1, and is installed on the support 5 through web member 3, and data acquisition process and control module 4 are installed on the support 5, and the rotation axis electric rotating machine drives rotation axis 1 rotation; Wherein, support 5 installations perpendicular to the ground, ground annular reference plate 6 levels are installed also concordant with ground, and data acquisition process and control module 4 are through its communication unit (serial interface) communication that links to each other with automatic weather station or terminal computer 7.
More excellent, said rotation axis electric rotating machine is a stepper motor.
Among Fig. 2; The rotation axis electric rotating machine drives rotation axis control laser range sensor and rotates a circle, record the range information of the snow face on the annular reference plate of ground simultaneously after, send to data acquisition process and control module; After data processing unit is converted into ground snow depth sample information; Through built-in algorithms control, calculate the ground snow depth in the zone of surveying again, and relevant information is sent to automatic weather station or terminal computer through communication unit (serial interface).Power supply unit provides WV for laser range sensor, rotation axis electric rotating machine and data acquisition process and control module.
Among Fig. 3, the laser of laser snow depth sensor is two level lasers, and wavelength is 650nm, and laser power control is in 1mw.The frequency of oscillator output adopts the DDS technology to modulate through modulator, and the power controller by reaction type obtains stable laser signal again, at last under mission controller control, from the stable lasing light emitter of generating laser output.Object is detected by laser pickoff the echoed signal of laser, and through amplifier, the one tunnel delivers to the laser intensity testing circuit, and one the tunnel delivers to phase difference detector.Processor utilizes the variation of laser intensity signal to discern from the echo of snow face.The frequency standard signal utilization of phase difference detector transmits and carries out obtaining behind the frequency multiplication of phase locked loop; Frequency standard signal is by rolling counters forward; The gate-control signal of counting is undertaken producing behind the phase demodulation by transmitting and receiving signal, and the count value that counting circuit obtains is calculated into distance by its processor.
Through temperature detection and control to laser instrument, can make the emissive power of laser instrument remain on stable status, help obtaining more stable echoed signal, avenge the identification of face echo reliably.Through the self-correcting circuit, can carry out detection feedback to output power on the one hand, be used for measuring the phase drift that receives the amplifying circuit generation on the other hand, improve the accuracy of phase measurement.
The above only is the preferred implementation of the utility model; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; Can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection domain of the utility model.
Claims (4)
1. the snow depth multiple spot self-operated measuring unit based on laser distance measuring principle is characterized in that, comprising: laser range sensor, support, ground annular reference plate, rotation axis, rotation axis electric rotating machine; Said laser range sensor is installed on the said rotation axis, and said rotation axis and rotation axis electric rotating machine are installed on the said support; Also comprise:
Data acquisition process and control module; Be used to control said laser range sensor rotational frequency, angle, SI and the sample size that moving axis rotates a circle that rotate; The working status parameter and the snow depth data of gathering and preserving said laser range sensor; According to sampling and the different value of control algolithm rejecting snow depth sampling, the snow depth data after the rejecting difference value and the working status parameter of said laser range sensor are transferred to automatic weather station or terminal computer;
Power supply unit is used for WV to said laser range sensor, rotation axis electric rotating machine and data acquisition process and control module being provided.
2. the snow depth multiple spot self-operated measuring unit based on laser distance measuring principle according to claim 1 is characterized in that, the installation perpendicular to the ground of said support, and said ground annular reference plate level is installed and is concordant with ground.
3. the snow depth multiple spot self-operated measuring unit based on laser distance measuring principle according to claim 1 and 2 is characterized in that said rotation axis and rotation axis electric rotating machine are installed in said cantilever tip, and said rotation axis electric rotating machine is a stepper motor.
4. the snow depth multiple spot self-operated measuring unit based on laser distance measuring principle according to claim 1; It is characterized in that said data acquisition process and control module transmit the working status parameter of said laser range sensor and the snow depth data after the different value of said rejecting through serial interface to said automatic weather station or terminal computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201241478U CN202562445U (en) | 2012-03-29 | 2012-03-29 | Snow depth multipoint self-operated measuring device based on laser range-finding principle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201241478U CN202562445U (en) | 2012-03-29 | 2012-03-29 | Snow depth multipoint self-operated measuring device based on laser range-finding principle |
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| CN202562445U true CN202562445U (en) | 2012-11-28 |
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| CN2012201241478U Expired - Fee Related CN202562445U (en) | 2012-03-29 | 2012-03-29 | Snow depth multipoint self-operated measuring device based on laser range-finding principle |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236475A (en) * | 2014-09-10 | 2014-12-24 | 北京佳讯飞鸿电气股份有限公司 | Disaster-prevention snow depth monitoring system and snow depth sensor angle remote correction method |
| CN104359418A (en) * | 2014-11-28 | 2015-02-18 | 南京理工大学 | Laser and video infused automatic railway snow depth multi-point measuring device and method |
| CN107044827A (en) * | 2017-04-17 | 2017-08-15 | 杭州市特种设备检测研究院 | With pit spacing wireless detecting system and method for wirelessly testing at the top of elevator hoistways |
| 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 |
| CN108344376A (en) * | 2018-03-12 | 2018-07-31 | 广东欧珀移动通信有限公司 | Laser projection module, depth camera and electronic device |
| CN108662995A (en) * | 2018-04-20 | 2018-10-16 | 河南理工大学 | A kind of snow depth variation Real-time Monitoring Data transmitting device |
| JP2019158846A (en) * | 2018-03-16 | 2019-09-19 | 株式会社デンソーウェーブ | Snow accumulation detection device and snow accumulation detection system |
| CN113534297A (en) * | 2021-07-16 | 2021-10-22 | 新疆林科院森林生态研究所 | Device and method capable of accurately monitoring accumulated snow depth of forest in real time |
-
2012
- 2012-03-29 CN CN2012201241478U patent/CN202562445U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236475A (en) * | 2014-09-10 | 2014-12-24 | 北京佳讯飞鸿电气股份有限公司 | Disaster-prevention snow depth monitoring system and snow depth sensor angle remote correction method |
| CN104236475B (en) * | 2014-09-10 | 2016-09-14 | 北京佳讯飞鸿电气股份有限公司 | One is taken precautions against natural calamities snow depth monitoring system and the long-range antidote of snow depth sensor angles |
| CN104359418A (en) * | 2014-11-28 | 2015-02-18 | 南京理工大学 | Laser and video infused automatic railway snow depth multi-point measuring device and method |
| CN104359418B (en) * | 2014-11-28 | 2017-05-17 | 南京理工大学 | Laser and video infused automatic railway snow depth multi-point measuring device and method |
| CN107044827A (en) * | 2017-04-17 | 2017-08-15 | 杭州市特种设备检测研究院 | With pit spacing wireless detecting system and method for wirelessly testing at the top of elevator hoistways |
| CN108344376A (en) * | 2018-03-12 | 2018-07-31 | 广东欧珀移动通信有限公司 | Laser projection module, depth camera and electronic device |
| WO2019174382A1 (en) * | 2018-03-12 | 2019-09-19 | Oppo广东移动通信有限公司 | Laser projection module, depth camera and electronic apparatus |
| US11082671B2 (en) | 2018-03-12 | 2021-08-03 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Laser projection module, depth camera and electronic device |
| JP2019158846A (en) * | 2018-03-16 | 2019-09-19 | 株式会社デンソーウェーブ | Snow accumulation detection device and snow accumulation detection system |
| JP7021576B2 (en) | 2018-03-16 | 2022-02-17 | 株式会社デンソーウェーブ | Snow cover detection device and snow cover detection system |
| 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 |
| CN108662995A (en) * | 2018-04-20 | 2018-10-16 | 河南理工大学 | A kind of snow depth variation Real-time Monitoring Data transmitting device |
| CN113534297A (en) * | 2021-07-16 | 2021-10-22 | 新疆林科院森林生态研究所 | Device and method capable of accurately monitoring accumulated snow depth of forest in real time |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121128 Termination date: 20170329 |