Plant growth lamp

A plant growth lamp and lampshade technology, applied in the field of plant growth lamps, can solve the problems of limiting the optical performance of light source products for plant growth, the optical performance is not necessarily optimal, and the red phosphor is narrow, and achieves convenient disassembly, assembly and replacement, and low cost. , the effect of low cost

Inactive Publication Date: 2014-12-10
JIANGMEN KANHOO IND
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Problems solved by technology

The above products have one thing in common, that is, after the products leave the factory, the optical properties of the same model of products are fixed, that is to say, after the products are produced, the amount and ratio of blue light and red light emitted by them remain unchanged, while the plants in each The demand for light in the production stage is not the same. Therefore, in order to meet the needs of different growth stages of plants, farmers need to purchase different types of growth light sources, and the cost is high; moreover, the growth light source needs to be replaced

Method used

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Embodiment 1

[0022] In Example 1 and Example 2, ultraviolet rays are used to excite blue light first. Compared with LED blue light chips, the range of blue light obtained by it is wider, so the selection range of red phosphor powder is also larger, and the excited red light is more capable. A band close to the needs of plant production.

[0023] In the present invention adopting the above-mentioned structure, by setting the transparent lampshade sheet 4 at a distance from the light source 3, the red fluorescent powder on the transparent lampshade sheet 4 is kept away from the exciting light source 3, thereby overcoming the problem of heat quenching in the traditional plant growth lamp, The selectivity of the phosphor is greatly improved, and the red phosphor can be selected from (Sr, Ca)AlSiN 3 :Eu 2+， , the red powder can be excited by the blue light emitted by the LED chip and emit red light with a peak at 620 nm in the spectral range of 600 nm-700 nm, or Eu(DBM)3Phen, the red powder ca...

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Abstract

The invention discloses a plant growth lamp which comprises a lamp holder. The lamp holder is provided with a bowl-shaped lampshade. A light source capable of emitting blue light with the length ranging from 380 nm to 480 nm is arranged at the bowl bottom position of the lampshade. A transparent lampshade piece capable of covering a bowl opening is arranged on the bowl opening of the lampshade. The transparent lamp piece and the light source are arranged in a spaced mode. Red fluorescent powder capable of emitting out red light with the length ranging from 600 nm to 700 nm by being motivated by the blue light with the length ranging from 380 nm to 480 nm is arranged on the transparent lampshade piece. The transparent lampshade piece is detachably connected to the lampshade. According to the plant growth lamp, a user can adjust the optical performance of the plant growth lamp according to the different growth stages of plant, thermal quenching influences of the fluorescent powder are avoided, and the selectivity range of the fluorescent powder is enlarged.

Description

technical field [0001] The invention relates to a plant growth lamp. Background technique [0002] The growth of plants needs the sun. Since people have mastered the internal principle of plants' need for the sun, modern science can make plants grow better in places without the sun. The chlorophyll in the leaves achieves photosynthesis by mainly absorbing blue light (380nm-480nm) and red light (600nm-700nm) in the sun. People can also make plants complete photosynthesis through supplementary light technology or complete artificial light technology. [0003] At present, artificial light sources for plant cultivation mainly include fluorescent lamps and LED lamps. Fluorescent lamp plant growth light sources are generally coated with fluorescent powder that can emit specific band light sources (blue light and red light) required for plant growth. On the wall, the fluorescent powder is excited by ultraviolet rays to emit corresponding light waves; LED lamp plant growth light so...

Claims

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Application Information

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IPC IPC(8): F21S8/00F21V3/04F21V9/16A01G9/20
Inventor 陈涛
Owner JIANGMEN KANHOO IND
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