CN205353365U - Cloud layer height measurement device - Google Patents
Cloud layer height measurement device Download PDFInfo
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- CN205353365U CN205353365U CN201620085551.7U CN201620085551U CN205353365U CN 205353365 U CN205353365 U CN 205353365U CN 201620085551 U CN201620085551 U CN 201620085551U CN 205353365 U CN205353365 U CN 205353365U
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- laser
- clouds
- ceiling
- measurement apparatus
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Abstract
The utility model discloses a cloud layer height measurement device, including laser transmitting module, laser receiving module and cloud level measured module, laser transmitting module with the laser receiving module is connected respectively cloud level measured module, wherein, the laser receiving module is including a focusing section of thick bamboo, convex lens, light tight oil paper, light filter and photoelectric sensor, the first half of a focusing section of thick bamboo and the junction of the latter half are equipped with the expansion card groove, convex lens set up in the top of focusing section of thick bamboo the first half, light tight oil paper set up in under the convex lens, light tight oil paper middle part fretwork, the light filter is located fretwork department, photoelectric sensor set up in the bottom of focusing section of thick bamboo the latter half. The utility model discloses the measuring distance wide range.
Description
Technical field
This utility model relates to weather monitoring technical field, particularly relates to a kind of ceiling of clouds measurement apparatus.
Background technology
Ceiling of clouds measurement is Application Optics principle and electronic sensor and treatment technology, the alanysis method utilizing high-frequency impulse to launch and receiving the relation of time difference and then measuring and calculating distance and set up.At present, what most laser ranging instrument adopted is TDC time figure switch technology, this technology poor anti jamming capability, and depends on TDC time chip.And adopt the receiver module fixing Nonadjustable focusing at present, measure distance range narrow.
Utility model content
Technical problem to be solved in the utility model is in that, it is provided that a kind of ceiling of clouds measurement apparatus, measures distance range wide.
In order to solve above-mentioned technical problem, this utility model provides a kind of ceiling of clouds measurement apparatus, including laser emitting module, laser pick-off module and cloud level measurement module, described laser emitting module and described laser pick-off module connect described cloud level measurement module respectively, wherein, described laser pick-off module includes focusing drum, convex lens, light tight oilpaper, optical filter and photoelectric sensor, the first half of described focusing drum and the junction of the latter half are provided with flexible draw-in groove, described convex lens is arranged at the top of described focusing drum the first half, described light tight oilpaper is arranged under described convex lens, described light tight oilpaper middle part hollow out, described optical filter is located at described hollow part, described photoelectric sensor is arranged at the bottom of described focusing drum the latter half.
Further, described cloud level measurement module includes block isolating circuit, wide bandwidth voltage modulate circuit, A/D convertor circuit and FPGA unit, and described photoelectric sensor, described block isolating circuit, described wide bandwidth voltage modulate circuit, described A/D convertor circuit and described FPGA unit are sequentially connected with.
Further, described cloud level measurement module also includes liquid crystal display, keyboard and RS232 serial port unit, and described liquid crystal display, described keyboard and described RS232 serial port unit connect described FPGA unit respectively.
Further, described laser emitting module includes generating laser and laser head drives module, and described generating laser is connected to described laser head and drives module, and described laser head drives module to be also connected with described FPGA unit.
Further, described optical filter be shaped as rectangle.
Further, described block isolating circuit is specially Capacitor apart DC circuit.
Further, described FPGA unit is specially Altera high speed FPGA-Cycloneiv.
Further, described liquid crystal display is specially LCD12864 liquid crystal display.
Further, described generating laser is specially 905nm generating laser.
Implement this utility model, have the advantages that
1, adopt adjustable focus optical receiver module, measure distance range wider；
2, electric capacity is adopted to make system sensitivity higher every Nogata case；
3, Altera high speed FPGA-Cycloneiv, speed are fast, and processing system can be strong, and degree of monolithic integration is high, it is not necessary to unnecessary peripheral chip, it is simple to realize SOPC and piecemeal is transplanted.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structured flowchart of an embodiment of the ceiling of clouds measurement apparatus that this utility model provides；
Fig. 2 is the structural representation of laser pick-off module in Fig. 1；
Fig. 3 is the cut-away view of Fig. 1 medium cloud high measurement module；
Fig. 4 is the structure chart of laser emitting module in Fig. 1.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
Fig. 1 is the structured flowchart of an embodiment of the ceiling of clouds measurement apparatus that this utility model provides, as shown in Figure 1, cloud level measurement module 3 is connected respectively including laser emitting module 1, laser pick-off module 2 and cloud level measurement module 3, laser emitting module 1 and laser pick-off module 2.
Wherein, as shown in Figure 2, laser pick-off module 2 includes focusing drum 201, convex lens 202, light tight oilpaper 203, optical filter 204 and photoelectric sensor 205, the first half of focusing drum 201 and the junction of the latter half are provided with flexible draw-in groove 206, flexible draw-in groove 206 can be passed through and adjust focusing distance, make measurement distance range become wide；Convex lens 202 is arranged at the top of focusing drum 201 the first half, for focusing on the laser reflected；Light tight oilpaper 203 is arranged at convex lens 202 times, light tight oilpaper 203 middle part hollow out, optical filter 204 is located at hollow part, optical filter 204 be shaped as rectangle, light tight oilpaper 203 is adopted to hinder the optical signal of other parts to enter, only the light at optical filter 204 place enters, and optical filter 204 is for filtering interfering light wave.Photoelectric sensor 205 is arranged at the bottom of focusing drum 201 the latter half, is used for the echo laser after sensing optical treatment.
As shown in Figure 3, cloud level measurement module 3 includes block isolating circuit 301, wide bandwidth voltage modulate circuit 302, A/D convertor circuit 303, FPGA unit 304, liquid crystal display 305, keyboard 306 and RS232 serial port unit 307, photoelectric sensor 205, block isolating circuit 301, wide bandwidth voltage modulate circuit 302, A/D convertor circuit 303, FPGA unit 304 are sequentially connected with, and liquid crystal display 305, keyboard 306 and RS232 serial port unit 307 connect FPGA unit 305 respectively.Wherein, block isolating circuit 301 is specially Capacitor apart DC circuit, for filtering DC component interference in the signal that photoelectric sensor sends.Wide bandwidth voltage modulate circuit 302 is for filtering interfering clutter, by discernible for signal condition to ADC scope, FPGA unit 304 is specially Altera high speed FPGA-Cycloneiv, speed is fast, processing system can be strong, degree of monolithic integration is high, it is not necessary to unnecessary peripheral chip, it is simple to realize SOPC and piecemeal is transplanted；Liquid crystal display is specially LCD12864 liquid crystal display.
As shown in Figure 4, laser emitting module 1 includes generating laser 101 and laser head drives module 102, and generating laser 101 is connected to laser head and drives module 102, and laser head drives module 102 to be also connected with FPGA unit 304.Generating laser 101 is specially 905nm generating laser.Laser head drives module 102 to have precipitous pulse front edge drive generating laser 101 to launch high frequency lasers for controlling transmitting by FPGA unit 304.
Implement this utility model, have the advantages that
1, adopt adjustable focus optical receiver module, make measurement distance range wider；
2, electric capacity is adopted to make the sensitivity of reception system higher every Nogata case；
3, Altera high speed FPGA-Cycloneiv, speed are fast, and processing system can be strong, and degree of monolithic integration is high, it is not necessary to unnecessary peripheral chip, it is simple to realize SOPC and piecemeal is transplanted.
It should be noted that, in this article, term " includes ", " comprising " or its any other variant are intended to comprising of nonexcludability, so that include the process of a series of key element, method, article or device not only include those key elements, but also include other key elements being not expressly set out, or also include the key element intrinsic for this process, method, article or device.When there is no more restriction, statement " including ... " key element limited, it is not excluded that there is also other identical element in including the process of this key element, method, article or device.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses this utility model.The multiple amendment of these embodiments be will be apparent from for those skilled in the art, and generic principles defined herein when without departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (9)
1. a ceiling of clouds measurement apparatus, it is characterized in that, including laser emitting module, laser pick-off module and cloud level measurement module, described laser emitting module and described laser pick-off module connect described cloud level measurement module respectively, wherein, described laser pick-off module includes focusing drum, convex lens, light tight oilpaper, optical filter and photoelectric sensor, the first half of described focusing drum and the junction of the latter half are provided with flexible draw-in groove, described convex lens is arranged at the top of described focusing drum the first half, described light tight oilpaper is arranged under described convex lens, described light tight oilpaper middle part hollow out, described optical filter is located at described hollow part, described photoelectric sensor is arranged at the bottom of described focusing drum the latter half.
2. ceiling of clouds measurement apparatus as claimed in claim 1, it is characterized in that, described cloud level measurement module includes block isolating circuit, wide bandwidth voltage modulate circuit, A/D convertor circuit and FPGA unit, and described photoelectric sensor, described block isolating circuit, described wide bandwidth voltage modulate circuit, described A/D convertor circuit and described FPGA unit are sequentially connected with.
3. ceiling of clouds measurement apparatus as claimed in claim 2, it is characterized in that, described cloud level measurement module also includes liquid crystal display, keyboard and RS232 serial port unit, and described liquid crystal display, described keyboard and described RS232 serial port unit connect described FPGA unit respectively.
4. ceiling of clouds measurement apparatus as claimed in claim 2 or claim 3, it is characterized in that, described laser emitting module includes generating laser and laser head drives module, and described generating laser is connected to described laser head and drives module, and described laser head drives module to be also connected with described FPGA unit.
5. the ceiling of clouds measurement apparatus as described in claim 1 or 2 or 3, it is characterised in that described optical filter be shaped as rectangle.
6. ceiling of clouds measurement apparatus as claimed in claim 2 or claim 3, it is characterised in that described block isolating circuit is specially Capacitor apart DC circuit.
7. ceiling of clouds measurement apparatus as claimed in claim 2 or claim 3, it is characterised in that described FPGA unit is specially Altera high speed FPGA-Cycloneiv.
8. ceiling of clouds measurement apparatus as claimed in claim 3, it is characterised in that described liquid crystal display is specially LCD12864 liquid crystal display.
9. ceiling of clouds measurement apparatus as claimed in claim 4, it is characterised in that described generating laser is specially 905nm generating laser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620085551.7U CN205353365U (en) | 2016-01-28 | 2016-01-28 | Cloud layer height measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620085551.7U CN205353365U (en) | 2016-01-28 | 2016-01-28 | Cloud layer height measurement device |
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| Publication Number | Publication Date |
|---|---|
| CN205353365U true CN205353365U (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620085551.7U Expired - Fee Related CN205353365U (en) | 2016-01-28 | 2016-01-28 | Cloud layer height measurement device |
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| CN (1) | CN205353365U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109491038A (en) * | 2017-09-12 | 2019-03-19 | 北京维天信气象设备有限公司 | A kind of the focal length self-checking device and method of optical system of laser ceilometer |
-
2016
- 2016-01-28 CN CN201620085551.7U patent/CN205353365U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109491038A (en) * | 2017-09-12 | 2019-03-19 | 北京维天信气象设备有限公司 | A kind of the focal length self-checking device and method of optical system of laser ceilometer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160629 Termination date: 20180128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |