CN202003040U - Precipitation particle image collecting device - Google Patents
Precipitation particle image collecting device Download PDFInfo
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- CN202003040U CN202003040U CN2011200730063U CN201120073006U CN202003040U CN 202003040 U CN202003040 U CN 202003040U CN 2011200730063 U CN2011200730063 U CN 2011200730063U CN 201120073006 U CN201120073006 U CN 201120073006U CN 202003040 U CN202003040 U CN 202003040U
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Abstract
The utility model provides a precipitation particle image collecting device, which comprises a camera end case body with a camera opening, a background case body with a background opening, an image pickup device and a light source. The camera end case body and the background case body are arranged in a mode that the background opening and the camera opening are opposite along the horizontal direction. The image pickup device is arranged inside the camera end case body, and the lens of the image pickup device faces to the camera opening. A sampling area for shooting images of the precipitation particles is formed between the background opening and the camera opening and is located in a sight range of the image pickup device, and the light source is installed at the position facing to the sampling area. The precipitation particle image collecting device can realize automatic collection of sharp images of the precipitation particles and provide intuitive and clear image data for analysis of the characteristics of the precipitation particles and discrimination of precipitation types.
Description
Technical field
The utility model relates to the weather phenomenon image collecting device, particularly a kind of precipitation particles image collecting device.
Background technology
The observation of precipitation phenomenon is one of meteorological and the most basic observation project in hydrometric station always.In " the surface weather observation standard " of China Meteorological Administration's promulgation, the precipitation phenomenon comprises 11 kinds, is respectively: rain, shower, drizzle, snow, snow shower, rain and snow mixed, battle array property rain and snow mixed, graupel, granular snow, ice pellets and hail.Being used for the precipitation phenomenon at present observes the instrument of identification test that three classes are arranged substantially automatically.
The first kind is based on the inductor of particle movement mechanics effect observation, and it comprises inductor, piezoelectric inductor and sleet inductor etc.This class inductor belongs to a kind of utility appliance for type of precipitation identification, be subjected to the limitation of detection principle, can only satisfy the requirement of specific occasion precipitation monitoring identification.
Second class is the microwave particle spectrometer, it is actually a kind of and is ground miniaturization, continuous wave, the lower powered radar Doppler that observation identification precipitation phenomenon designs of arranging net, thereby is also referred to as Doppler's raindrop spectrometer (Doppler rain-gauge disdrometer).This quasi-instrument can usually be differentiated rainfall and snowfall, but owing to can not directly obtain information such as particle phase, size, shape and spatial attitude, thereby the uncertainty in being difficult to avoid discerning.
The 3rd class is an optical sensor, and this is a kind of precipitation particles Detection Techniques based on particle scattering light and transmitted light measurement.The solid precipitation type that present existing this quasi-instrument can effectively be discerned is also more limited, and its measurement to precipitation particles microstructure and kinetic parameter is not comprehensive yet.
One of difficult point of precipitation phenomenon automatic observation identification is the differentiation of complicated and diversified solid precipitation particle shape, and correct robotization differentiation must be based on the reliable measurements to precipitation particles microstructure and kinetic parameter (particle phase, yardstick, shape, spatial orientation and falling speed etc.).Above-mentioned most of induction technology does not all have measurement capability to precipitation particles microstructure and most of kinetic parameter, thereby the ability of observation identification type of precipitation is more limited, can not reach the requirement that substitutes the artificial visually examine.At present, the observation of the precipitation phenomenon of most of meteorological stations still mainly relies on the artificial visually examine to finish, thereby presses for the new technology of research with the automatic accurate collection of realization to the precipitation phenomenon, thereby realizes the automatic accurate observation to the precipitation phenomenon.
The utility model content
A purpose of the present utility model is that a kind of device that can realize that the precipitation particles picture rich in detail is automatically gathered will be provided, for the differentiation of the analysis of precipitation particles feature and type of precipitation provides intuitively, the distinct image data.
A further purpose of the present utility model is to finish obtaining of precipitation particles digital picture in the process that precipitation particles lands naturally automatically, and does not influence the proper motion state of precipitation particles.
Particularly, the utility model provides a kind of precipitation particles image collecting device, and it comprises:
The shooting end casing that has the opening of making a video recording; The background casing that has background openings, described background openings is relative with described shooting opening along continuous straight runs; Be installed in the camera head in the described shooting end casing, the camera lens of described camera head is in described camera head zone within the vision and forms the sample area of taking the precipitation particles image towards described shooting opening between described background openings and the described shooting opening; And the light source of installing towards described sample area.
Preferably, described precipitation particles image collecting device further comprises support, the top of described support has at least two divergent ends, the bottom has at least one stiff end, described shooting end casing is installed on the divergent ends of described support, and described background casing is installed on another divergent ends of described support.
Preferably, the bottom of described shooting end casing and described background casing is opened wide in the part near described sample area at least.
Preferably, the top surface of described shooting end casing and described background casing has the upwards edge of turnover near described sample area one side.
Preferably, the inside surface of described background casing covers by having diffusing characteristic diffuser and the white light reflectance dark material less than 10%; The inside surface of perhaps described background casing is made less than 10% dark material by having diffusing characteristic diffuser and white light reflectance.
Preferably, described precipitation particles image collecting device further comprises protective cover, described protective cover has the shooting window that transparent material is made, end with described shooting window of described protective cover is towards described shooting opening, described camera head is installed in the described protective cover, and the camera lens of described camera head abuts against the inside surface of described shooting window.
Preferably, described precipitation particles image collecting device further comprises the attemperating unit of regulating environment temperature in the described protective cover, and described attemperating unit is installed in the described protective cover.
Preferably, described precipitation particles image collecting device further comprises power module, control module and computing machine, and wherein said power module is connected to described camera head, described attemperating unit, described light source and the power supply of described control module; Described computing machine is connected to described control module and described camera head; Described control module is connected to described attemperating unit and described light source.
Preferably, described light source is installed in the contiguous described shooting opening part in described shooting end box inside top.
Preferably, on the described light source light-shielding structure is installed.
Precipitation particles image collecting device of the present utility model can be realized the automatic collection of precipitation particles picture rich in detail.Particularly, it is by the design of rational optical texture, makes that the precipitation particles in the sample area can be by blur-free imaging, and has uniform dark background design, and the subsequent analysis of being convenient to image is handled.And precipitation particles image collecting device of the present utility model does not influence the proper motion state of precipitation particles in sample area, can finish obtaining of its digital picture in the process that precipitation particles lands naturally.Further, precipitation particles image collecting device of the present utility model can provide basic data for the reliable measurements of precipitation particles microstructure and kinetic parameter (particle phase, yardstick, shape, spatial orientation and falling speed etc.), and this is that existing precipitation phenomenon scope is not available.In addition, precipitation particles image collecting device of the present utility model has lower cost, and is easy to utilize.
Description of drawings
Hereinafter in exemplary and nonrestrictive mode preferred embodiment of the present utility model is described in detail with reference to the accompanying drawings, identical Reference numeral has indicated identical or similar parts or part in the accompanying drawing, and these accompanying drawings may not be drawn in proportion.In the accompanying drawing:
Fig. 1 is the structural representation according to the precipitation particles image collecting device of a preferred embodiment of the utility model;
Fig. 2 is the perspective schematic view of shooting end casing used in the precipitation particles image collecting device according to a preferred embodiment of the utility model;
Fig. 3 is the perspective schematic view of background casing used in the precipitation particles image collecting device according to a preferred embodiment of the utility model;
Fig. 4 is the schematic action flow chart according to the precipitation particles image collecting device of a preferred embodiment of the utility model.
Embodiment
Fig. 1 shows the structural representation according to the precipitation particles image collecting device 100 of a preferred embodiment of the utility model.Precipitation particles image collecting device 100 mainly comprises: the shooting end casing 10 that has the opening 11 of making a video recording; The background casing 20 that has background openings 21; Be installed in the camera head 50 in the shooting end casing 10; And the light source of installing towards described sample area 65.Shooting end casing 10 is installed into background casing 20 makes that their shooting opening 11 is relative with background openings 21 along continuous straight runs, and camera head 50 is installed in shooting end casing 10 and makes its camera lens 52 towards shooting opening 11, so as camera head 50 controllably (for example under the control of computing machine) take precipitation particles image in the sample area.
In addition, precipitation particles image collecting device 100 also can comprise protective cover 40, attemperating unit 60, control module 70, power module 80 and computing machine 90.Control module 70 can be connected to attemperating unit 60 and light source 65.Power module 80 can be connected to camera head 50, attemperating unit 60, light source 65 and control module 70, and it is powered.Computing machine 90 can be connected to camera head 50, handles with the operation of controlling camera head 50 and the data (except that comprising captured image, can comprise that also camera head need send some control signal or the status signal of computing machine to) that receive its transmission.Computing machine 90 also can be connected to control module 70.The work of attemperating unit 60 and light source 65 is controlled in the instruction that control module 70 is sent by object computer 90.In an alternate embodiment, computing machine 90 also can be connected to power module 80 directly or indirectly, the operation of power module 80 is controlled and/or obtained the expectation power supply information of power module 80.
Preferably, shooting end casing 10 and background casing 20 are installed on the support 30.The top of support 30 has at least two divergent ends 31 and 32, and the bottom has at least one stiff end 33.Shooting end casing 10 is installed on the divergent ends 31, and background casing 20 is installed on another divergent ends 32, and wherein divergent ends 31 is that along continuous straight runs relatively is provided with divergent ends 32.In a specific embodiment of the present utility model, support 30 is preferably Y shape support, and its top has two divergent ends 31 and 32, and the bottom has a stiff end 33.Recognize easily as those skilled in the art, in the utility model, also can adopt other forms of support.For example alternatively, can adopt H shape support, V-shaped rest etc. are as long as these supports have at least two upwardly extending divergent ends.Shooting end casing 10, background casing 20 and support 30 for example can all adopt stainless steel material to make; Certainly, it also is feasible selecting other suitable materials for use.
As shown in Figures 2 and 3, shooting end casing 10 and background casing 20 are preferably that a side is not sealed, the bottom is not sealed or semi-enclosed rectangular box, and semi-enclosed bottom is opened wide near the part of sample area.So just make shooting end casing 10 have shooting opening 11 in its side of not sealing, background casing 20 has background openings 21 in the side that it does not seal, and does not seal or semi-enclosed bottom half can avoid precipitation particles in the sputter of bottom with pile up observation is impacted.Those skilled in the art can recognize that also other the suitable shapes for example casing of cylindrical shape, pentagon (a preferred angle up) etc. also are feasible.
The edge 14 and 24 of the top surface 13 of shooting end casing 10 and top surface 23 close sample area 12 1 sides of background casing 20 is preferably all upwards turned up, and drops on the sputter and the accumulation of top surface precipitation of casing top surface and melts the influence of water droplet drippage to observing that causes to reduce precipitation particles.
Preferably be provided with mounting hole near the lower limb of shooting end casing 10 and background casing 20 transverse sides, they respectively will make a video recording end casing 10 and background casing 20 level frames of the mounting hole by separately and corresponding casing installing plate 12 and 24 be located on the divergent ends 31 and 32 on support 30 tops, and make shooting hold background openings 21 along continuous straight runs of the shooting opening 11 of casing 10 and background casing 20 relative. Casing installing plate 12 and 24 preferably is installed in respectively on divergent ends 31 and 32 by any suitable manner, for example can pass through screw retention.
The inside surface of background casing 20 adopts the dark material with diffuse reflection and antiradar reflectivity characteristic to cover, the shooting of thinking the precipitation particles image provides a uniform dark background, and wherein said dark material for example is a white light reflectance less than 40%, 30%, 20% or 10% material.In an alternate embodiment of the present invention, background casing 20 also can directly be made by this dark material
The camera head 50 that is installed in the shooting end casing 10 preferably is installed in the protective cover 40.Camera head 50 preferably makes the inside surface of its camera lens 52 near protective cover 40 shooting windows 41 when installing, with the influence of the dust on the minimizing shooting window to the precipitation particles image.Camera head 50 preferably automatically snaps sample area 12 under the control of computing machine 90, and sends the image of taking to computing machine 90.Camera head 50 preferably is made up of the digital camera 51 and the camera lens 52 that are installed in the protective cover 40.Digital camera 51 can adopt have network, the digital camera of USB or 1394 interfaces so that the direct digital signal of output image does not need to handle through image pick-up card, just can directly be connected to computing machine by data line.The camera lens 52 preferred tight shots that adopt are to guarantee the quality of image.The combination of the size of digital camera 51 light-sensitive surface battle arrays and the focal length of camera lens 52 preferably is selected to the rear surface 22 that the imaging field range that guarantees camera head 50 can not surpass background casing 20, thereby guarantee that the image of taking has reasonable uniform dark background, to promote the quality of precipitation particles imaging.The focusing distance of camera head 50 preferably can be adjusted to the center of sample area 12, and employing suitable aperture, make its field depth cover whole sample area 12, be beneficial to all precipitation particles in the sample area 12 all can be on the light-sensitive surface battle array of digital camera 51 blur-free imaging.In a preferred embodiment, it is that 1/1.8 inch (7.16 mm * 5.44 mm), number of pixels are 1628 * 1236 CCD(charge-coupled image sensor that digital camera 51 adopts the light-sensitive surface battle array especially) digital camera, Pixel Dimensions is 4.4 μ m.It is the Nikon(Nikon of 24 mm that camera lens 52 adopts focal length especially) tight shot, focusing distance is adjusted to 50 cm, the distance that is the photocentre distance samples regional center position of camera head is 50 cm, and adopts suitable aperture to make its field depth be not less than 10 cm.Like this between shooting end casing 10 and background casing 20, have length to be about 15 cm, highly to be about zone that 11 cm, thickness are about 10 cm within sweep of the eye, and this zone has just constituted the sample area 12 among this embodiment at camera head 50.In sample area 12, the resolution of image is better than 0.1 mm, can satisfy the observation requirements of most of type precipitation particles.
In concrete application of the present invention, shooting end casing 10(comprises installation protective cover 40, camera head 50, attemperating unit 60, light source 65 within it), background casing 20 and support 30 generally can be set up in outdoor; Computing machine 90 generally can be arranged on indoor; And that control module 70 and power module 80 generally both can be installed in was indoor, also can be installed in the casing of a sealing and was erected at the bottom of support 30.
The preferred motion process flow diagram of the utility model precipitation particles image collecting device 100 as shown in Figure 4, it finishes everything under the instruction control of computing machine.Preferably, precipitation particles image collecting device 100 is set to switchably work in periodic monitor pattern and Continuous Observation pattern.
At first, precipitation particles image collecting device 100 will be in the periodic monitor pattern after startup, (for example 1 minute once with predetermined time interval for computing machine 90, the user can preset) indicate control module 70 to open light source 65, computing machine 90 will be gathered the image in the sample area 12 of being taken by camera head 50 then, and according to having or not precipitation particles in the image judgement sample area 12 that collects.If judged result is no precipitation particles, then computing machine 90 indication control modules 70 are closed light source 65, and start above-mentioned periodic monitor pattern once more when predetermined time interval arrival next time; If judged result is for there being precipitation particles, then precipitation particles image collecting device 100 enters the Continuous Observation pattern.
In the Continuous Observation pattern, light source 65 is in opening always, and computing machine 90 is gathered the image in the sample area 12 of being taken by camera head 50, and according to having or not precipitation particles in the image judgement sample area 12 that collects.If judged result is for there being precipitation particles, then computing machine 90 will store and/or show that these expressions have the image of precipitation particles, continue then to gather the image that camera head 50 is taken in the Continuous Observation pattern, repeat the subsequent process in the Continuous Observation pattern.If judged result is no precipitation particles, whether the time of then judging continuously no precipitation particles surpasses the time threshold of setting (for example 1 minute), if surpassed described time threshold, then computing machine 90 indication control modules 70 are closed light source 65 and are returned the periodic monitor pattern; If surpass described time threshold, then the image in the computing machine 90 continuation sample area 12 that collection camera head 50 is taken in the Continuous Observation pattern repeats the subsequent process in the Continuous Observation pattern.
Though this paper has illustrated and has described a plurality of exemplary preferred embodiments, but those skilled in the art all can recognize, under the situation that does not break away from the utility model spirit and scope, can directly determine or derive many other modification or modification according to the disclosed content of the application.Therefore, scope of the present utility model should be considered to cover all these other modification or modifications.
Claims (10)
1. a precipitation particles image collecting device is characterized in that, described precipitation particles image collecting device comprises:
The shooting end casing that has the opening of making a video recording;
The background casing that has background openings, described background openings is relative with described shooting opening along continuous straight runs;
Be installed in the camera head in the described shooting end casing, the camera lens of described camera head is in described camera head zone within the vision and forms the sample area of taking the precipitation particles image towards described shooting opening between described background openings and the described shooting opening; And
Light source towards described sample area installation.
2. precipitation particles image collecting device according to claim 1, it is characterized in that, described precipitation particles image collecting device further comprises support, the top of described support has at least two divergent ends, the bottom has at least one stiff end, described shooting end casing is installed on the divergent ends of described support, and described background casing is installed on another divergent ends of described support.
3. precipitation particles image collecting device according to claim 1 is characterized in that, the bottom of described shooting end casing and described background casing is opened wide in the part near described sample area at least.
4. precipitation particles image collecting device according to claim 1 is characterized in that, the top surface of described shooting end casing and described background casing has the upwards edge of turnover near described sample area one side.
5. precipitation particles image collecting device according to claim 1 is characterized in that, the inside surface of described background casing covers by having diffusing characteristic diffuser and the white light reflectance dark material less than 10%; The inside surface of perhaps described background casing is made less than 10% dark material by having diffusing characteristic diffuser and white light reflectance.
6. precipitation particles image collecting device according to claim 1, it is characterized in that, described precipitation particles image collecting device further comprises protective cover, described protective cover has the shooting window that transparent material is made, end with described shooting window of described protective cover is towards described shooting opening, described camera head is installed in the described protective cover, and the camera lens of described camera head abuts against the inside surface of described shooting window.
7. precipitation particles image collecting device according to claim 6 is characterized in that, described precipitation particles image collecting device further comprises the attemperating unit of regulating environment temperature in the described protective cover, and described attemperating unit is installed in the described protective cover.
8. precipitation particles image collecting device according to claim 7, it is characterized in that, described precipitation particles image collecting device further comprises power module, control module and computing machine, and wherein said power module is connected to described camera head, described attemperating unit, described light source and the power supply of described control module; Described computing machine is connected to described control module and described camera head; Described control module is connected to described attemperating unit and described light source.
9. precipitation particles image collecting device according to claim 1 is characterized in that, described light source is installed in the contiguous described shooting opening part in described shooting end box inside top.
10. precipitation particles image collecting device according to claim 1 is characterized in that, on the described light source light-shielding structure is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200730063U CN202003040U (en) | 2011-03-18 | 2011-03-18 | Precipitation particle image collecting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200730063U CN202003040U (en) | 2011-03-18 | 2011-03-18 | Precipitation particle image collecting device |
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| CN202003040U true CN202003040U (en) | 2011-10-05 |
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| CN2011200730063U Expired - Fee Related CN202003040U (en) | 2011-03-18 | 2011-03-18 | Precipitation particle image collecting device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103033857A (en) * | 2012-12-25 | 2013-04-10 | 中国人民解放军理工大学 | Rainfall and snowfall automatic observation method based on parallel light large visual field |
| CN104977629A (en) * | 2015-04-09 | 2015-10-14 | 中国科学院寒区旱区环境与工程研究所 | High-precision self-recording water surface evaporation measurement device |
-
2011
- 2011-03-18 CN CN2011200730063U patent/CN202003040U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103033857A (en) * | 2012-12-25 | 2013-04-10 | 中国人民解放军理工大学 | Rainfall and snowfall automatic observation method based on parallel light large visual field |
| CN104977629A (en) * | 2015-04-09 | 2015-10-14 | 中国科学院寒区旱区环境与工程研究所 | High-precision self-recording water surface evaporation measurement device |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111005 Termination date: 20180318 |