CN201392306Y - Laser raindrop spectrum analyzing and measuring device - Google Patents
Laser raindrop spectrum analyzing and measuring device Download PDFInfo
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- CN201392306Y CN201392306Y CN200920107361U CN200920107361U CN201392306Y CN 201392306 Y CN201392306 Y CN 201392306Y CN 200920107361 U CN200920107361 U CN 200920107361U CN 200920107361 U CN200920107361 U CN 200920107361U CN 201392306 Y CN201392306 Y CN 201392306Y
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Abstract
The utility model discloses a laser raindrop spectrum analyzing and measuring device, which comprises a laser sensor and a traffic meteorological sensor signal interface unit, wherein the laser sensor and the traffic meteorological sensor signal interface unit are respectively electrically connected with a signal control processor. The laser sensor comprises a laser transmitter and an optoelectronic receiver, the signal control processor utilizes a single chip microcomputer, and the traffic meteorological sensor signal interface unit is further connected with a meteorological factor sensor to collect data. The laser raindrop spectrum analyzing and measuring device obtains size and speed distributions of precipitation particles in a sampling area through measuring amount of precipitation particles in different particle size areas and different speed areas in a set time section, provides weather phenomenon codes outputted based on particle distribution analysis, and can be widely used for meteorological observation of meteorological stations and traffic departments.
Description
Technical field
The utility model relates to a kind of meteorological observation device, relates in particular to a kind of laser raindrop size distribution analysis measuring device that obtains the precipitation drop-size distribution based on laser technology by measurement precipitation particle size and speed.
Background technology
At present, what the precipitation measurement mechanism was commonly used is tipping bucket type rain gage bucket or Weighing type rain gage bucket, and what of rainfall these equipment can obtain, but can't obtain instantaneous raininess, the particle size of raindrop, precipitation information such as Modeling on Rain Drops Falling Velocity.
Along with the development of laser technology, can use Principles of Laser high-speed moving object has been measured, realize measuring total amount, size, intensity and the movement velocity of moving object, especially to the mensuration of small items, determination object can reach 0.16mm.Wherein, the instrument that can be used for quantitatively surveying the raindrop size-grade distribution comprises Joss-Waldvogel (J-W) disdrometer, optics rain gage (OP) etc., costs an arm and a leg.
Summary of the invention
The purpose of this utility model is: at the deficiency that prior art exists, provide a kind of and measure the measurement mechanism of precipitation particle size and speed based on laser technology, thereby obtain the raindrop spectrogram of type of precipitation size distribution.
The technical solution of the utility model is: a kind of laser raindrop size distribution analysis measuring device, comprise laser sensor and signal control processor, laser sensor and signal control processor are electrically connected, it is characterized in that, also comprise the traffic meteorological sensor signal interface unit that is electrically connected with signal control processor.
Further, described laser sensor comprises generating laser and photelectric receiver, and described signal control processor adopts single-chip microcomputer.
Described traffic meteorological sensor signal interface unit also connects the meteorological element sensor and carries out data acquisition.
The utility model has following beneficial effect compared with the prior art:
1, the utility model is by measuring the number of the interior precipitation of setting-up time section at the particle in big minizone of different-grain diameter and friction speed interval, thereby know the precipitation particle size velocity distribution in the sampling interval, the weather phenomenon code that provides output to obtain based on the size distribution analysis.
2, measurement mechanism of the present utility model has been reserved and has been connected other traffic meteorologic survey sensor interface, can conveniently connect the sensor of other key elements, not only can work alone, and can be easy to, be configured at low cost more complicated monitoring site type.
Description of drawings
Fig. 1 is the block diagram of system of the present utility model;
Fig. 2 is the structured flowchart of laser sensor and signal control processor;
Fig. 3 is the principle of work block diagram of traffic meteorological sensor signaling interface.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, laser raindrop size distribution analysis measuring device of the present utility model comprises laser sensor and the traffic meteorological sensor signal interface unit that is electrically connected with signal control processor respectively.
In the structured flowchart of Fig. 2 laser sensor and signal control processor, laser sensor comprises generating laser and photelectric receiver, and signal control processor adopts single-chip microcomputer.Generating laser and photelectric receiver are electrically connected with single-chip microcomputer respectively, and single-chip microcomputer has a RS285 interface and a RS232 interface.
Generating laser adopts semiconductor laser diode, and photelectric receiver adopts photodiode.The a branch of horizontal red laser of Single-chip Controlling generating laser emission 650nm passes rainfall area, utilize the delustring measuring principle, optional position in measured zone, when light beam is passed in the landing of precipitation particle, signal can change, the size of the degree of brightness deepening reflection air particle particle diameter is derived decline rate according to the duration of signal.Photelectric receiver is sent into single-chip microcomputer after converting the light signal that receives to electric signal, utilize the process analysis of single-chip microcomputer inline processed to handle, the basic parameter particle diameter and the speed that obtain measuring, and further derive size distribution, quantity of precipitation, visibility, precipitation kinetic energy and type of precipitation.By qualitative analysis is carried out in rainfall, can obtain the intensity of rainfall or snowfall, distinguish drizzle, heavy rain, hail, snowflake, snowball and various precipitation between snowflake and hail,, draw out the rain spectrogram according to the number of the particle in big minizone of different-grain diameter and friction speed interval.
In addition,, determine weather phenomenon and type of precipitation, output to registering instrument or computing machine by RS485 interface or RS232 interface according to the weather phenomenon code of the various criterion of storing in the single-chip microcomputer storer such as SYNOP/METAR telegraph code etc.
In the principle of work block diagram of Fig. 3 traffic meteorological sensor signal interface unit, traffic meteorological sensor signaling interface comprises digital signal processing interface and analog signal processing interface, can connect wind speed, wind direction, temperature, meteorological element sensors such as humidity carry out data acquisition, respectively to air velocity transducer, wind transducer, the digital signal of humidity temperature pickup output, pulse signal or simulating signal adopt prior art to carry out the A/D conversion, insert the single-chip microcomputer of signal control processor after the conversion process such as photoelectricity isolation, conveniently connect the sensor of other key elements, not only can work alone, and can be easy to, be configured to more complicated monitoring site type at low cost.
Claims (3)
1, a kind of laser raindrop size distribution analysis measuring device, comprise laser sensor and signal control processor, laser sensor and signal control processor are electrically connected, and it is characterized in that, also comprise the traffic meteorological sensor signal interface unit that is electrically connected with signal control processor.
2, laser raindrop size distribution analysis measuring device according to claim 1 is characterized in that described laser sensor comprises generating laser and photelectric receiver, and described signal control processor adopts single-chip microcomputer.
3, laser raindrop size distribution analysis measuring device according to claim 1 is characterized in that, described traffic meteorological sensor signal interface unit also connects the meteorological element sensor and carries out data acquisition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920107361U CN201392306Y (en) | 2009-04-16 | 2009-04-16 | Laser raindrop spectrum analyzing and measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920107361U CN201392306Y (en) | 2009-04-16 | 2009-04-16 | Laser raindrop spectrum analyzing and measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201392306Y true CN201392306Y (en) | 2010-01-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200920107361U Expired - Lifetime CN201392306Y (en) | 2009-04-16 | 2009-04-16 | Laser raindrop spectrum analyzing and measuring device |
Country Status (1)
| Country | Link |
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| CN (1) | CN201392306Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102426400A (en) * | 2011-11-03 | 2012-04-25 | 中国科学院合肥物质科学研究院 | Rainfall information inversion correcting method of laser raindrop spectrograph |
| CN103675948A (en) * | 2013-12-31 | 2014-03-26 | 北京维天信气象设备有限公司 | Automatic weather station |
| CN104316979A (en) * | 2014-11-13 | 2015-01-28 | 邓勇 | Method for distinguishing dry snow and wet snow by means of laser raindrop spectrograph and laser rain gauge |
| WO2019144443A1 (en) * | 2018-01-26 | 2019-08-01 | 中国科学院大气物理研究所 | Dual wire diode array device and measurement method and measurement device for particle velocity |
| CN111538112A (en) * | 2020-05-07 | 2020-08-14 | 上海眼控科技股份有限公司 | Precipitation type detection method, system, device, computer equipment and storage medium |
| CN113341483A (en) * | 2021-06-21 | 2021-09-03 | 安徽省大气探测技术保障中心 | Rainfall phenomenon appearance raindrop particle diameter grain speed simulation detection device |
-
2009
- 2009-04-16 CN CN200920107361U patent/CN201392306Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102426400A (en) * | 2011-11-03 | 2012-04-25 | 中国科学院合肥物质科学研究院 | Rainfall information inversion correcting method of laser raindrop spectrograph |
| CN102426400B (en) * | 2011-11-03 | 2013-10-09 | 中国科学院合肥物质科学研究院 | Rainfall information inversion correcting method of laser raindrop spectrograph |
| CN103675948A (en) * | 2013-12-31 | 2014-03-26 | 北京维天信气象设备有限公司 | Automatic weather station |
| CN104316979A (en) * | 2014-11-13 | 2015-01-28 | 邓勇 | Method for distinguishing dry snow and wet snow by means of laser raindrop spectrograph and laser rain gauge |
| WO2019144443A1 (en) * | 2018-01-26 | 2019-08-01 | 中国科学院大气物理研究所 | Dual wire diode array device and measurement method and measurement device for particle velocity |
| US11828905B2 (en) | 2018-01-26 | 2023-11-28 | Institute Of Atmospheric Physics, Chinese Academy Of Sciences | Dual line diode array device and measurement method and measurement device for particle velocity |
| CN111538112A (en) * | 2020-05-07 | 2020-08-14 | 上海眼控科技股份有限公司 | Precipitation type detection method, system, device, computer equipment and storage medium |
| CN113341483A (en) * | 2021-06-21 | 2021-09-03 | 安徽省大气探测技术保障中心 | Rainfall phenomenon appearance raindrop particle diameter grain speed simulation detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING HUACHUANG WEIXIANG TECHNOLOGY DEVELOPMENT Free format text: FORMER OWNER: BEIJING HUATRON TECHNOLOGY CO., LTD. Effective date: 20111129 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20111129 Address after: 100070 Beijing city Fengtai District Haiying Road No. 6 building A11, the headquarters of the International Academy of the West (Park) Patentee after: Beijing Huachuang Weixiang Science & Technology Development Co., Ltd. Address before: 100070 Beijing city Fengtai District Haiying Road No. 6 building A11, the headquarters of the International Academy of the West Patentee before: Beijing Huatron Technology Co., Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20100127 |
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| CX01 | Expiry of patent term |