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A lens and lens cover technology, which is applied in the field of cameras, can solve problems such as easy fogging and frosting, no solution found, easy frosting on the lens surface, etc.
Inactive Publication Date: 2016-11-16
苏州国创电子科技有限公司
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Problems solved by technology
[0003] However, the lens is particularly prone to fogging and frosting in low-temperature and high-humidity environments. People in the industry have long been aware of this problem, but have not yet found a very good solution
[0004] For example, if it is necessary to collect data and take pictures inside the refrigerator, the surface of the lens is prone to frost, which seriously affects the imaging effect. For example, when it is used for data collection and photography of car images, low temperature weather or rainy days can easily affect the shooting effect, causing great inconvenience
Method used
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Embodiment 1
[0019] Example 1: Such as figure 1 As shown, this embodiment provides a lens that includes a lens group 10, a lens cover (CAP) 20 arranged outside the lens group 10 and used to fix the lens group 10, and a lens cover (CAP) 20 arranged on one side of the lens group 10 and connected to the lens group 10 connected to the printed circuit board (PCBA) 30, the lens group 10 includes lens 1, electric heating sheet 2 and waterproof glass sheet 3 from the inside to the outside. The electric heating sheet 2 and the waterproof glass sheet 3 are closely arranged, and conduct heat through The waterproof glass sheet 3 is provided so that the waterproof glass sheet 3 has the function of defogging and defrosting. The lens is a sealed wide-angle waterproof lens with 1 to 2 million pixels.
[0020] Wherein, the lens 1 is integrally arranged on the printed circuit board (PCBA) 30.
[0021] In this embodiment, the waterproof glass sheet 3 adopts a structure of IR coating on both sides and AF coating ...
Embodiment 2
[0041] Embodiment 2: This embodiment provides a lens whose structure is the same as that of the lens in Embodiment 1, except that the electric heater 2 is changed to a tin-doped indium oxide film, and its resistance is also 300-350Ω.
[0042] When the outside temperature is 10-25℃, the heating temperature that the electric heating element can reach is 35-45℃, and the heating temperature can be reached after 3 seconds; when the outside temperature is 0-5℃, the electric heating element can reach the heating temperature. The heating temperature reached is 25-30°C, and the heating temperature can be reached by heating for 5 seconds.
[0043] Tin-doped indium oxide film is usually called ito film, which is an n-type semiconductor material, which has the advantages of high conductivity, high visible light transmittance, etc., and is also suitable as an electric heater 2. The prepared lens also has the function of defrosting and defogging, and can still be used normally under low temperat...
Embodiment 3
[0044] Embodiment 3: This embodiment provides a camera, which includes the lens in Embodiment 1 or Embodiment 2. The camera in this embodiment has a defrosting and defogging function, and can take pictures and collect data normally in a low-temperature and high-humidity environment. It has a lens that is not prone to frost or fog.
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Abstract
The invention discloses a lens and a camera equipped with the lens. The lens comprises an eyeglass set, a lens cover which is arranged outside the eyeglass set and is used for fixing the eyeglass set, and an assembled printed circuit board which is arranged at one side of the eyeglass set and is connected with the eyeglass set, wherein the eyeglass set comprises eyeglasses, waterproof glass arranged at outer sides of the eyeglasses and electrical heating sheets arranged between the eyeglasses and the waterproof glass, the electrical heating sheets are used for conducting heat to the waterproof glass to realize anti-mist anti-frost functions, and the electrical heating sheets comprise one type of graphene film heating sheets and tin-doped indium oxide film heating sheets. Resistance of the electrical heating sheets employed by the lens is 300-350 ohm, when the external temperature is 10-25 DEG C, the arrival heating temperature of the electrical heating sheets is 35-45 DEG C, the heating temperature can be realized through 3-second heating; when the external temperature is 0-5 DEG C, the arrival heating temperature of the electrical heating sheets is 25-30 DEG C, the heating temperature can be realized through 5-second heating. According to the lens, the heating temperature is relatively mild, a heating speed is relatively fast, not only can aging of the eyeglasses be not easy, but also energy loss is low, and the heat conduction effect is relatively good.
Description
Technical field [0001] The invention relates to the field of optical equipment, and in particular to a lens and a camera using the lens. Background technique [0002] A lens is an optical component used to produce an image. It is composed of multiple lenses. Different lenses constitute different optical expression means. At present, many lenses are coated with films with different functions, and each layer can increase the performance of the lens in many aspects, such as hardening the lens, reducing reflection and anti-pollution. [0003] However, the lens is particularly prone to fog and frost in a low temperature and high humidity environment. People in the industry have long been aware of this problem, but they have not yet found a very good solution. [0004] For example, if you need to collect and take photos inside the refrigerator, the surface of the lens is easy to frost, which seriously affects the imaging effect. For example, when used in car image data collection and taki...
Claims
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Application Information
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