Rainfall weather phenomenon acquisition device

A collector and phenomenon technology, applied in the field of collectors that can automatically identify precipitation weather phenomena, can solve the problems of high purchase cost, inaccurate indirect detection, etc., and achieve the effects of reduced purchase cost, low cost, and easy availability of materials

Inactive Publication Date: 2009-12-09
CMA METEOROLOGICAL OBSERVATION CENT
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0010] The above products all have the defects of high purchase cost and inaccurate indirect detection

Method used

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  • Rainfall weather phenomenon acquisition device
  • Rainfall weather phenomenon acquisition device
  • Rainfall weather phenomenon acquisition device

Examples

Experimental program
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Embodiment Construction

[0034] Examples see Figure 1-3 As shown, this precipitation weather phenomenon collector, it is made of video camera 5, video digital acquisition card, microprocessor, transparent carrier 3, protective cover 6, thermostat 9, wiper 1, illuminating lamp 8; Wherein video The camera 5, the temperature controller 9 and the lighting lamp 8 are placed inside the shield 6 with the glass window 7 on the top surface, the lens 4 of the video camera 5 faces the glass window 7, and the outer surface of the glass window 7 is provided with a trap for carrying the precipitation material 2. Transparent slide 3, shield 6 is also connected with the wiper 1 that is used for cleaning transparent slide; Described video camera 5 obtains the video image of precipitation material on slide, and its data interface is through data line and video digital acquisition card and microprocessor The video acquisition digital collection card converts the analog image signal captured by the video camera into a d...

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Abstract

The invention discloses a rainfall weather phenomenon acquisition device, which consists of a video camera, a digital video acquisition card, a microprocessor, a transparent slide, a protective cover, a temperature controller, a wiper and an illuminating lamp, wherein the video camera, the temperature controller and the illuminating lamp are arranged inside the protective cover of which the top is provided with a glass window; a lens of the video camera faces the glass window; the outer surface of the glass window is provided with the transparent slide for bearing a rainfall substance; and the protective cover is also connected with the wiper for cleaning the transparent slide. The video camera acquires a video image of the rainfall substance on the slide, a data interface of the video camera is connected with the microprocessor through a data wire and the digital video acquisition card, and the digital video acquisition card converts an analog image signal shot by the video camera into a digital image signal and sends the digital image signal into the microprocessor. The device can clearly and conveniently identify various rainfall phenomena, and the effect of the device is superior to that of the prior method.

Description

technical field [0001] The invention relates to a weather collector, in particular to a collector capable of automatically identifying precipitation weather phenomena. Background technique [0002] Precipitation weather phenomena defined in the field of meteorology include rain, showers, drizzle, snow, snow showers, sleet, sleet, graupel, rice snow, ice particles, and hail. At present, there are several methods for automatic identification of precipitation phenomena: [0003] 1. Optical method - Particle shading: [0004] Principle: A laser light source (laser diode) produces a parallel beam of light, and an imaging diode measures the energy of the light on the side of the receiver lens and converts it into an electrical signal. When a droplet of precipitation falls through the infrared beam, the received signal is weakened. The particle size of the water vapor condensate is determined by the degree of brightness dimming, and the descending speed of the condensate is dete...

Claims

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Application Information

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IPC IPC(8): G01W1/00H04N7/18
Inventor 马舒庆张春波蔡青赵宇张小平
Owner CMA METEOROLOGICAL OBSERVATION CENT
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