CN203443551U - Snow depth monitoring system based on controllable light source - Google Patents
Snow depth monitoring system based on controllable light source Download PDFInfo
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- CN203443551U CN203443551U CN201320563592.9U CN201320563592U CN203443551U CN 203443551 U CN203443551 U CN 203443551U CN 201320563592 U CN201320563592 U CN 201320563592U CN 203443551 U CN203443551 U CN 203443551U
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Abstract
The utility model discloses a snow depth monitoring system based on a controllable light source, comprising a controllable light box, a camera, a capture control system, a data transmission module and an upper computer. The controllable light box is electrically connected with a power supply, the camera is electrically connected with the capture control system, the capture control system is connected with the data transmission module, and the data transmission module is electrically connected with the upper computer. According to the utility model, precise detection of the snow depth is completed according to the snow covering condition of the controllable light box, and the problem that measurement precision of a traditional snow depth monitoring system is influenced by factors such as wind speed, uneven snow surface, low blowing snow, low temperature and the like is solved.
Description
Technical field
The utility model relates to snow depth monitoring technical field, relates in particular to a kind of snow depth monitoring system based on controllable light source.
Background technology
At present, the commonplace snow survey system of use is ultrasound wave snow depth monitoring system, and it is the degree of depth that principle that character that using ultrasound ripple produces reflection on two kinds of different material interfaces of acoustic impedance is measured interface distance is measured snow.Yet ultrasound wave snow depth monitoring system can be due to the precision of the factor impact measurements such as wind speed, out-of-flatness snow face, drifting snow, lower temperature.
Utility model content
The purpose of this utility model is, by a kind of snow depth monitoring system based on controllable light source, to solve the problem that above background technology is partly mentioned.
For reaching this object, the utility model by the following technical solutions:
A snow depth monitoring system for controllable light source, it comprises controlled lamp box, video camera, candid photograph control system, data transmission module and host computer;
Described controlled lamp box is electrically connected power supply, for according to external environment intensity of illumination, regulates in real time lamplight brightness;
Described video camera is electrically connected captures control system, for carrying out the candid photograph instruction of capturing control system output, gathers the video image of controlled lamp box;
Described candid photograph control system is connected with data transmission module, for exporting candid photograph instruction, controls the shooting action of video camera, and receives the video image that video camera is captured, and exports to data transmission module;
Described data transmission module and host computer are electrically connected, for described video image is exported to host computer;
Described host computer is for receiving the video image of the controlled lamp box of data transmission module output, and the variation of video image is differentiated, and obtains snow depth information.
Especially, described controllable lamp case comprises RC circuit, amplifying circuit, photoresistance and LED lamp, and wherein, described RC circuit is connected with power supply, and amplifying circuit is connected with RC circuit, photoresistance, and LED lamp connects photoresistance; Power supply produces a square wave, square wave is after RC circuit and amplifying circuit, be converted to triangular wave, photoresistance obtains different resistance values according to the different light intensity of external environment, after electric resistance partial pressure, obtain variable voltage, utilize this variable voltage to modulate triangular wave, draw a square wave that dutycycle is adjustable, the brightness of linear regulation LED lamp.
Especially, described data transmission module is selected wireless data transfer module.
Especially, described host computer is selected computing machine.
The snow depth monitoring system tool based on controllable light source that the utility model provides has the following advantages: one, controlled lamp box can, according to the intensity of illumination of external environment, regulate lamplight brightness in real time.Controlled lamp box luminous never luminous, discontinuous luminous to continuous luminous according to the adjustable square wave of dutycycle, can make lamp box extinguish when intensity of illumination is strong by day, day subduing beginning is at dusk luminous, and only provides a half-light source that can gather at night, and energy-saving effect is better.Two, adopt video image identification technology, according to controlled lamp box, by the situation of snow cover, avenged feelings and survey.Adopt the video image of the controlled lamp box of video image identification technical Analysis, accurately measure snow depth; According to snow depth increment, measure real-time snowfall.
Accompanying drawing explanation
The snow depth monitoring system block diagram based on controllable light source that Fig. 1 provides for the utility model embodiment;
The controllable lamp box structure schematic diagram that Fig. 2 provides for the utility model embodiment.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.Be understandable that, specific embodiment described herein is only for explaining the utility model, but not to restriction of the present utility model.It also should be noted that, for convenience of description, in accompanying drawing, only show the part relevant to the utility model but not full content.
Please refer to shown in Fig. 1 and Fig. 2, the snow depth monitoring system based on controllable light source in the present embodiment specifically comprises controlled lamp box 101, video camera 102, captures control system 103, data transmission module 104 and host computer 105.
Described controlled lamp box 101 is electrically connected power supply 201, for according to external environment intensity of illumination, regulates in real time lamplight brightness.
In the present embodiment, described controlled lamp box 101 comprises RC circuit 1011, amplifying circuit 1012, photoresistance 1013 and LED lamp 1014.Wherein, described RC circuit 1011 is connected with power supply 201, and amplifying circuit 1012 is connected with RC circuit 1011, photoresistance 1013, and LED lamp 1014 connects photoresistance 1013.Power supply 201 produces a square wave, square wave is after RC circuit 1011 and amplifying circuit 1012, be converted to triangular wave, photoresistance 1013 obtains different resistance values according to the different light intensity of external environment, after electric resistance partial pressure, obtain variable voltage, utilize this variable voltage to modulate triangular wave, draw a square wave that dutycycle is adjustable, the brightness of linear regulation LED lamp 1014.In dark surrounds, controlled lamp box 101 keeps a substantially discernible brightness, along with brightening of dark surrounds, lamplight brightness increases thereupon, when extraneous intensity of illumination can make video camera 102, gathers the image ratio of lamp boxes when more clear, the lights of lamp box, thus reach good energy-saving effect.Daytime, lamp box extinguished, and system transfers profile recognition mode to.
Described video camera 102 is electrically connected captures control system 103, for carrying out the candid photograph instruction of capturing control system 103 outputs, gathers the video image of controlled lamp box 101.The kind of video camera 102 is a lot, selects conventional high-definition camera 102 to realize in the present embodiment, does not repeat them here.
Described candid photograph control system 103 is connected with data transmission module 104, for exporting candid photograph instruction, controls the shooting action of video camera 102, and receives the video image that video camera 102 is captured, and exports to data transmission module 104.
Described data transmission module 104 is electrically connected with host computer 105, for described video image is exported to host computer 105.In the present embodiment, described data transmission module 104 is selected wireless data transfer module, realizes the Wireless Data Transmission of capturing between control system 103 and host computer 105.
Described host computer 105 is for receiving the video image of the controlled lamp box 101 of data transmission module 104 output, and the variation of video image is differentiated, and obtains snow depth information.
In the present embodiment, described host computer 105 is selected computing machine.Host computer 105 is received after the video image of controlled lamp box 101, adopts video image identification technology, and video image is changed and differentiated, and obtains snow depth information.Detailed process is as follows: first picture is got to red and GTG, then picture is cut into slices, obtain near two of vertical pivot both sides in the picture pictures with former figure equal altitudes, the left side was measured for daytime, and the right was measured for evening, and the 0.1m of picture top is as pixel model, be used for calculating color threshold, according to this threshold value, by picture binaryzation, obtain pure black and white picture, finally according to the ratio of picture and physical device, calculate snow depth.
The technical solution of the utility model tool has the following advantages: one, controlled lamp box can, according to the intensity of illumination of external environment, regulate lamplight brightness in real time.Controlled lamp box luminous never luminous, discontinuous luminous to continuous luminous according to the adjustable square wave of dutycycle, can make lamp box extinguish when intensity of illumination is strong by day, day subduing beginning is at dusk luminous, and only provides a half-light source that can gather at night, and energy-saving effect is better.Two, adopt video image identification technology, according to controlled lamp box, by the situation of snow cover, completed the accurate detection of snow depth, solved traditional snow depth monitoring system due to the problem of the precision of the factor impact measurements such as wind speed, out-of-flatness snow face, drifting snow, lower temperature.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, to those skilled in the art, the utility model can have various changes and variation.All any modifications of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model within spirit of the present utility model and principle.
Claims (4)
1. the snow depth monitoring system based on controllable light source, is characterized in that, comprises controlled lamp box, video camera, candid photograph control system, data transmission module and host computer;
Described controlled lamp box is electrically connected power supply, for according to external environment intensity of illumination, regulates in real time lamplight brightness;
Described video camera is electrically connected captures control system, for carrying out the candid photograph instruction of capturing control system output, gathers the video image of controlled lamp box;
Described candid photograph control system is connected with data transmission module, for exporting candid photograph instruction, controls the shooting action of video camera, and receives the video image that video camera is captured, and exports to data transmission module;
Described data transmission module and host computer are electrically connected, for described video image is exported to host computer;
Described host computer is for receiving the video image of the controlled lamp box of data transmission module output, and the variation of video image is differentiated, and obtains snow depth information.
2. the snow depth monitoring system based on controllable light source according to claim 1, it is characterized in that, described controllable lamp case comprises RC circuit, amplifying circuit, photoresistance and LED lamp, wherein, described RC circuit is connected with power supply, amplifying circuit is connected with RC circuit, photoresistance, and LED lamp connects photoresistance; Power supply produces a square wave, square wave is after RC circuit and amplifying circuit, be converted to triangular wave, photoresistance obtains different resistance values according to the different light intensity of external environment, after electric resistance partial pressure, obtain variable voltage, utilize this variable voltage to modulate triangular wave, draw a square wave that dutycycle is adjustable, the brightness of linear regulation LED lamp.
3. the snow depth monitoring system based on controllable light source according to claim 1, is characterized in that, described data transmission module is selected wireless data transfer module.
4. according to the snow depth monitoring system based on controllable light source one of claims 1 to 3 Suo Shu, it is characterized in that, described host computer is selected computing machine.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320563592.9U CN203443551U (en) | 2013-09-11 | 2013-09-11 | Snow depth monitoring system based on controllable light source |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320563592.9U CN203443551U (en) | 2013-09-11 | 2013-09-11 | Snow depth monitoring system based on controllable light source |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438822A (en) * | 2013-09-11 | 2013-12-11 | 无锡信大气象传感网科技有限公司 | Accumulated snow depth monitoring system based on controllable light source |
| CN108398074A (en) * | 2017-12-07 | 2018-08-14 | 北京佳讯飞鸿电气股份有限公司 | A kind of snow depth monitoring system, method and device |
-
2013
- 2013-09-11 CN CN201320563592.9U patent/CN203443551U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438822A (en) * | 2013-09-11 | 2013-12-11 | 无锡信大气象传感网科技有限公司 | Accumulated snow depth monitoring system based on controllable light source |
| CN103438822B (en) * | 2013-09-11 | 2017-01-25 | 无锡信大气象传感网科技有限公司 | Accumulated snow depth monitoring system based on controllable light source |
| CN108398074A (en) * | 2017-12-07 | 2018-08-14 | 北京佳讯飞鸿电气股份有限公司 | A kind of snow depth monitoring system, method and device |
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