WO2016180078A1 - 一种植物生长灯 - Google Patents

一种植物生长灯 Download PDF

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Publication number
WO2016180078A1
WO2016180078A1 PCT/CN2016/076403 CN2016076403W WO2016180078A1 WO 2016180078 A1 WO2016180078 A1 WO 2016180078A1 CN 2016076403 W CN2016076403 W CN 2016076403W WO 2016180078 A1 WO2016180078 A1 WO 2016180078A1
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WO
WIPO (PCT)
Prior art keywords
plant growth
lamp
substrate
growth lamp
light
Prior art date
Application number
PCT/CN2016/076403
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English (en)
French (fr)
Inventor
吴健
Original Assignee
吴健
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 吴健 filed Critical 吴健
Priority to EP16791928.1A priority Critical patent/EP3296620A4/en
Priority to US15/580,692 priority patent/US20180132429A1/en
Publication of WO2016180078A1 publication Critical patent/WO2016180078A1/zh

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/20—Controlling the colour of the light
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S10/00—Lighting devices or systems producing a varying lighting effect
    • F21S10/02—Lighting devices or systems producing a varying lighting effect changing colors
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/20—Forcing-frames; Lights, i.e. glass panels covering the forcing-frames
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/77—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/77—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
    • F21V29/777—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section the planes containing the fins or blades having directions perpendicular to the light emitting axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
    • F21V29/89—Metals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
    • F21V3/06—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material
    • F21V3/061—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material the material being glass
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/40—Lighting for industrial, commercial, recreational or military use
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the invention relates to the technical field of lighting fixtures, in particular to a plant growth lamp.
  • Light is an indispensable source of energy for photosynthesis of green plants. Only under light conditions can plants grow normally.
  • the photosynthesis of plants means that plants absorb sunlight by chlorophyll, synthesize carbon dioxide and water into organic matter, and further convert it into Chemical energy is stored and oxygen is released.
  • the carbohydrates produced by photosynthesis are further converted into starch, fat, etc., which are needed for life activities.
  • the influence of light on plants is crucial.
  • people will place lamps in greenhouses or indoors. Because the light utilization of the lamps used is low, the plant growth requirements are not met, and the plants are longer and worse. The illumination of the light not only promotes its growth, but also improves the quality of the plant.
  • Chlorophyll a and chlorophyll b and carotenoids in chloroplasts can absorb visible light in sunlight, where chlorophyll a and chlorophyll b absorb red and blue regions, while carotenoids mainly absorb blue light. Healthy plants have lower reflectance in the red and blue regions.
  • the photosynthesis of plants begins with chlorophyll in the chloroplasts absorbing red and blue light in visible red, orange, yellow, green, blue, and purple. Not all light is effective for photosynthesis of plants, and the effective part is concentrated in the visible region. The most effective ones are red light and blue light. Chlorophyll has relatively large absorption values in both places. Red light not only facilitates the synthesis of plant carbohydrates, but also accelerates the development of long-day plants. Blue light accelerates short-day plant development. And promote the synthesis of proteins and organic acids.
  • the conventional bulb and sodium lamp used have higher cost of electricity, and the color temperature and the natural light still have a drop.
  • the mercury lamp produces a wavelength of 313 to 430 nm, so the mercury lamp does not generate red light.
  • the sodium lamp produces a wavelength of 565 nm, so the sodium lamp does not produce blue light.
  • the traditional illumination light does not contain a large amount of red and blue light, which makes the plant growth efficiency. not tall.
  • LED plant growth lamps have been widely used in various stages of plant growth as a kind of light source for promoting plant growth.
  • traditional LED plant growth lamps have been greatly improved in the production process, but due to LED
  • the limitation of the wavelength of the illuminant and the proportion of the LED illuminant of different wavelengths is slow to promote the growth of the plant, and the effect is not obvious, and since the temperature is too high during the working process, the heat dissipating body cannot effectively dissipate the temperature of the light source, thereby causing The light decay of the luminaire is serious, affecting the service life of the entire luminaire.
  • the main technical problem to be solved by the present invention is to provide a plant growth lamp, which can greatly improve the growth rate of plants by the illumination of the lamps, and another object of the present invention is to effectively solve the poor heat dissipation of the existing plant growth lamps.
  • the problem of short service life is to provide a plant growth lamp, which can greatly improve the growth rate of plants by the illumination of the lamps, and another object of the present invention is to effectively solve the poor heat dissipation of the existing plant growth lamps.
  • the technical solution adopted by the present invention is:
  • a plant growing lamp comprises a lamp body, a driving power source disposed in the lamp body, an LED illuminator and a heat dissipating portion, wherein the LED illuminator comprises a substrate, a plurality of LED lamp beads disposed on the substrate, The LED illuminator is regulated by a spectral controller to generate various regular pulsed periodic spectral light signals, and the LED lamp beads are connected to the heat dissipating portion through a substrate.
  • the illumination order of the LED illuminator regulated by the spectrum controller is: red light, red, green, blue light, red, orange, yellow, green, cyan, blue, purple, blue light, red light, red, Green, blue, red, orange, yellow, green, cyan, blue, and violet, all light is extinguished after one scan period, and the above pulse scan is repeated.
  • the heat dissipating portion includes a ring column of an inner hollow structure and a plurality of fins distributed around a periphery of the ring column, and the fins are bifurcated.
  • the lamp body is provided with a plurality of heat dissipation holes, and the heat dissipation holes are elongated through holes.
  • the substrate is an aluminum substrate, and the substrate is in close contact with one end surface of the heat dissipation portion.
  • the plant growing lamp further includes a front cover, and a transparent member is disposed on the front end of the lamp body through the front cover, A sealing ring is disposed on the contact surface of the transparent member and the front cover.
  • the invention has the following beneficial effects:
  • the novel LED plant growth lamp adopts a spectrum controller to regulate the LED illuminator and generate various regular pulsed periodic spectral light signals.
  • the setting of the spectrum and the reasonable irradiation period can greatly promote the growth speed of the plant, and the experiment is carried out. It is confirmed that the growth rate can be increased by up to five times the normal growth rate, and the effect is very remarkable.
  • the novel LED plant growth lamp of the invention can greatly improve the heat dissipation performance, ensure the normal operation and prolong the service life of the lamp by setting a reasonable number of long heat dissipation holes on the lamp body and improving the structure of the heat dissipation portion.
  • Figure 1 is a schematic view of the structure of the present invention
  • Figure 2 is a cross-sectional view of Figure 1;
  • FIG. 3 is a partial structural schematic view of a heat dissipation portion at a viewing angle.
  • Lamp body 2. LED illuminator 3. Heat dissipating part 31. Cylindrical ring 32. Heat sink 4. Substrate 5. Cooling hole 6. Front cover 7. Transparent parts.
  • the LED plant growth lamp of the present invention comprises a lamp body 1 , a driving power source disposed in the lamp body 1 , an LED illuminator 2 and a heat dissipating portion 3 .
  • the LED illuminator 2 includes a substrate 4 and a plurality of LED lamp beads disposed on the substrate 4.
  • the LED illuminator 2 is controlled by a spectrum controller to generate various regular pulsed periodic spectral light signals, and the LED lamp beads pass through the substrate 4 and The heat dissipating portion 3 is connected; the order of illumination of the LED illuminant 2 controlled by the spectrum controller is: red light (0.4 seconds) ⁇ red, green, blue light (0.4 seconds) ⁇ red, orange, yellow, green, blue, blue, purple light ( 0.4 seconds) ⁇ Blu-ray (0.4 seconds) ⁇ red light (0.4 seconds) ⁇ red, green, blue (0.4 seconds) ⁇ red, orange, yellow, green, cyan, blue, violet (0.4 seconds), in this order
  • red light (0.4 seconds) ⁇ red, green, blue light (0.4 seconds) ⁇ red, orange, yellow, green, cyan, blue, violet (0.4 seconds) in this order
  • the intersection and combination of different light rays after all the light is extinguished after scanning one cycle (0.8 seconds), the photoreaction and dark reaction cycle time are formed, and a pulse spectrum period of 3.6 seconds is
  • the red, green and blue light signals and the combined light signals are emitted to irradiate the plants according to the above sequence, thereby realizing the purpose of effectively promoting the rapid growth of the plants.
  • the setting of the spectrum and the reasonable irradiation period can greatly promote the growth rate of the plants, and it is confirmed by experiments that the growth
  • the long-speed increase can be up to five times the normal growth rate, and the effect is very remarkable;
  • the heat-dissipating portion 3 includes the annular column 31 of the inner hollow structure, which is favorable for heat transfer, thereby improving heat dissipation efficiency; distributed on the annular column 31
  • the plurality of fins 32 on the periphery and the fins 32 are bifurcated.
  • the bifurcated structure can greatly increase the surface area of the heat dissipating portion 3, and the gap in the middle can form a duct, which is beneficial to take away heat;
  • the plurality of heat dissipation holes 5 and the heat dissipation holes 5 are long through holes, which greatly improve the efficiency of heat discharge inside the lamp;
  • the substrate is made of aluminum material with better heat dissipation performance, and the substrate 4 is closely attached to the One end surface of the heat dissipating portion 3 is disposed to ensure good heat transfer between the two;
  • the plant growth lamp further includes a front cover 6, a transparent member is disposed on the front end of the lamp body 1 through the front cover 6, and the transparent member 7
  • the light source inside the lamp functions as a light distribution.
  • the transparent member 7 can be made of tempered transparent glass;
  • the contact surface of the transparent member 7 and the front cover It has a sealing ring. Seals invention may function to improve the protection level of the lamp.
  • Test 1 12 parts of the harvested Chinese kale were divided into four groups according to the agricultural industry standards NY/T428-2000 and NY5193-2002, each group of 3, one set was placed in a dark room equipped with incandescent lamps; The group is placed under natural light or in a glass greenhouse; one set is placed in a device with a built-in general plant growth lamp; a group is placed in a device with the above-mentioned plant growth lamp for light signal illumination, and the four groups of kale patterns are different in light conditions.
  • Test results The growth of the kale in the plant growth lamp test group of the invention is obviously superior to other control groups, and the setting of the spectrum and the reasonable irradiation period can greatly promote the growth rate of the plant, and the growth rate of the plant is confirmed by the test. Up to five times the normal growth rate, the effect is very significant.

Abstract

一种植物生长灯，包括灯本体（1）、设于所述灯本体（1）内的驱动电源、LED发光体（2）和散热部（3），所述LED发光体（2）包括基板（4）、设于所述基板（4）上的多个LED灯珠，所述LED发光体（2）由光谱控制器调控，产生各种有规律的脉冲式周期光谱光信号，所述LED灯珠通过基板（4）与所述散热部（3）连接；通过该种灯具的灯光照射，可以大大提高植物的生长速度，并且有效地改善了植物生长灯的散热性，延长其使用寿命。

Description

一种植物生长灯
技术领域
本发明涉及照明灯具技术领域，尤其涉及一种植物生长灯。
背景技术
光是绿色植物进行光合作用不可或缺的能量来源，只有在光照条件下，植物才能正常生长，植物的光合作用是指植物借助叶绿素吸收太阳光能，把二氧化碳和水合成有机物，并进一步转化为化学能储存起来，同时放出氧气，光合作用生产出来的碳水化合物进一步转化为淀粉、脂肪等，供生命活动所需，总而言之，光对植物的影响至关重要。为了促进植物的生长，人们会在大棚或室内放置灯具，由于使用的灯管的光照利用率低，达不到植物生长的需求，使得植物越长越差；照射植物时运用适合植物所需光谱的灯光照射，不仅可以促进其生长，而且还可以提高植物的质量。
植物内部所含的光合色素、水分、生化成分及结构等影响着植物特殊的光谱反应。叶绿体内的叶绿素a与叶绿素b及类胡萝卜素能吸收太阳光中的可见光部分，其中叶绿素a与叶绿素b要吸收红光区与蓝光区，而类胡萝卜素则主要吸收蓝光区。健康植物在红光区与蓝光区的反射率较低。植物的光合作用始于叶绿体中的叶绿素吸收可见光红、橙、黄、绿、蓝、紫中的红色及蓝色光，并非所有的光对植物的光合作用都有效，有效部分集中在可见光区域，而最有效的则是红光和蓝光，叶绿素在这两处均有比较大的吸收值，红光不仅有利于植物碳水化合物的合成，还能加速长日植物的发育，蓝光则加速日短植物发育，且促进蛋白质和有机酸的合成。
而现有的技术中，所使用的传统灯泡、钠气灯因用电成本较高，以及色温与自然光仍有落差，水银灯所产生的波长为313~430nm，因此水银灯不会产生红光，而钠气灯所产生波长为565nm，因此钠气灯不会产生蓝光，在使用传统灯泡与钠气灯照射植物的同时，因传统的照射光线中未含有大量的红光与蓝光，使得植物生长效率不高。
近年来，将LED植物生长灯作为促进植物生长光源的一种，广泛应用于植物生长的各个阶段，目前，传统的LED植物生长灯在制作工艺上已有了较大的改进，但由于受到LED发光体的波长和不同波长LED发光体比例的限制，对促进植物生长的速度缓慢，效果不明显，且由于在工作过程中温度过高，散热体无法有效的将光源的温度散出，从而造成灯具光衰严重，影响整个灯具的使用寿命。
发明内容
本发明要解决的主要技术问题是提供一种植物生长灯，通过该种灯具的灯光照射，可大大提高植物的生长速度，本发明的另一个目的是有效解决了现有植物生长灯散热性差，使用寿命短的问题。
为解决上述技术问题，本发明采用的技术方案是：
一种植物生长灯，包括灯本体、设于所述灯本体内的驱动电源、LED发光体和散热部，所述LED发光体包括基板、设于所述基板上的多个LED灯珠，所述LED发光体由光谱控制器调控，产生各种有规律的脉冲式周期光谱光信号，所述LED灯珠通过基板与所述散热部连接。
进一步的，所述LED发光体由所述光谱控制器调控的发光顺序为：红光，红、绿、蓝光，红、橙、黄、绿、青、蓝、紫光，蓝光，红光，红、绿、蓝光，红、橙、黄、绿、青、蓝、紫光，在一个扫描周期以后全部光熄灭，再重复上述脉冲扫描。
更进一步的，所述散热部包括内空心结构的圆环柱和分布于所述圆环柱外围的多个散热片，所述散热片呈分叉状。
更进一步的，所述灯本体上设有多个散热孔，所述散热孔为长条状通孔。
更进一步的，所述基板为铝基板，所述基板紧贴在所述散热部的一端面。
更进一步的，所述植物生长灯还包括前盖，通过所述前盖将一透明件设于所述灯本体的前端, 所述透明件与所述前盖的接触面设有一密封圈。
本发明与现有技术相比，具有如下有益效果：
本发明新型LED植物生长灯，采用光谱控制器调控LED发光体，产生各种有规律的脉冲式周期光谱光信号，这种光谱的设置及合理的照射周期可大大促进植物的生长速度，经试验证实，其生长速度提高程度可达正常生长速度的五倍，效果十分显著。
本发明新型LED植物生长灯，通过在灯本体上设置合理数量的长条状散热孔，且对散热部的结构进行改进，可大大提高其散热性能，保证其正常工作和延长灯具的使用寿命。
附图说明
图1为本发明的结构示意图；
图2为图1的剖视图；
图3为散热部一个视角的局部结构示意图。
1.灯本体 2.LED发光体 3.散热部 31.圆柱环 32.散热片 4.基板 5.散热孔 6.前盖 7.透明件。
具体实施方式
下面结合附图详细说明本发明的机构和工作原理，为了更好说明本实施例，附图某些部件会有省略、放大或缩小，并不代表实际产品的尺寸；对于本领域技术人员来说，附图中某些公知结构及其说明可能省略是可以理解的，相同或相似的标号对应相同或相似的部件。
实施例1
如图1、图2和图3所示，本发明LED植物生长灯，包括灯本体1、设于所述灯本体1内的驱动电源、LED发光体2和散热部3， LED发光体2包括基板4、设于基板4上的多个LED灯珠，LED发光体2由光谱控制器调控，产生各种有规律的脉冲式周期光谱光信号，LED灯珠通过基板4与散热部3连接；LED发光体2由光谱控制器调控的发光顺序为：红光（0.4秒）→红、绿、蓝光（0.4秒）→红、橙、黄、绿、青、蓝、紫光（0.4秒）→蓝光（0.4秒）→红光（0.4秒）→红、绿、蓝光（0.4秒）→红、橙、黄、绿、青、蓝、紫光（0.4秒），按此顺序变化产生不同光线的交叉、组合形式，在扫描一个周期以后全部光熄灭（0.8秒），形成光反应和暗反应周期时间，产生一个脉冲光谱周期3.6秒后，再重复上述脉冲扫描过程，LED发光体2按照上述顺序发出红、绿、蓝光信号及组合光信号照射植物，实现有效促进植物快速生长的目的，这种光谱的设置及合理的照射周期可大大促进植物的生长速度，经试验证实，其生长速度提高程度可达正常生长速度的五倍，效果十分显著；散热部3包括内空心结构的圆环柱31，有利于热量的传递，从而提高了散热效率；分布于所述圆环柱31外围的多个散热片32，散热片32呈分叉状，这种分叉结构可大大增加散热部3的表面积，且中间的间隙可形成风道，有利于带走热量；灯本体上设有多个散热孔5，散热孔5为长条状通孔，在很大程度上改善了灯具内部热量排出的效率；基板选用散热性能较好的铝质材料制成，基板4紧贴在所述散热部3的一端面设置，保证两者之间有良好的热传递；植物生长灯还包括前盖6，通过前盖6将一透明件设于所述灯本体1的前端，透明件7一方面对灯具内部的部件起到防护作用，另一方面对灯具内部的光源起到配光的功能，为保证其耐用性，透明件7可选用钢化透明玻璃；透明件7与前盖的接触面设有一密封圈，密封圈可以起到发明作用，提高灯具的防护等级。
本发明的实际使用例：
试验1：将采收的芥蓝12份按农业行业标准NY/T428-2000、NY5193-2002经过感官检验合格分成四组，每组3份，一组放入安装有白炽灯的暗室中；一组放在自然光下或玻璃温室内；一组放在内置一般植物生长灯的装置中；一组放入内置上述植物生长灯的装置中，进行光信号照射，四组芥蓝式样除了光照条件不同以外，其余水、空气（25°）、湿度（85%）等条件完全相同，处理过程每6小时进行一次观察检查芥蓝式样生长情况，48小时后检查结果发现：（a）白炽灯照射条件的芥蓝，出现干黄萎凋；（b）自然光条件下的芥蓝正常生长1cm；（c）一般植物生长灯照射下的芥蓝生长3cm；（d）本发明植物生长灯照射下的芥蓝生长5cm，且芥蓝长势挺拔，叶片鲜绿。
试验结果：本发明植物生长灯试验组的芥蓝生长效果明显优于其他对照组，这种光谱的设置及合理的照射周期可大大促进植物的生长速度，经该试验证实，其生长速度提高程度可达正常生长速度的五倍，效果十分显著。
显然，本发明的上述实施例仅仅是为清楚地说明本发明所作的举例，而并非是对本发明的实施方式的限定；对于所属领域的普通技术人员来说，在上述说明的基础上还可以做出其它不同形式的变化或变动，这里无需也无法对所有的实施方式予以穷举；凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明权利要求的保护范围之内。

Claims (9)

  1. 一种植物生长灯，包括灯本体、设于所述灯本体内的驱动电源、LED发光体和散热部，其特征在于，所述LED发光体包括基板、设于所述基板上的多个LED灯珠，所述LED发光体由光谱控制器调控，产生各种有规律的脉冲式周期光谱光信号，所述LED灯珠通过基板与所述散热部连接。
  2. 根据权利要求1所述的植物生长灯，其特征在于，所述基板紧贴在所述散热部的一端面。
  3. 根据权利要求1所述的植物生长灯，其特征在于，所述散热部包括内空心结构的圆环柱和分布于所述圆环柱外围的多个散热片。
  4. 根据权利要求4所述的植物生长灯，其特征在于，所述散热片呈分叉状。
  5. 根据权利要求1所述的植物生长灯，其特征在于，所述灯本体上设有多个散热孔。
  6. 根据权利要求5所述的植物生长灯，其特征在于，所述散热孔为长条状通孔。
  7. 根据权利要求1所述的植物生长灯，其特征在于，所述基板为铝基板。
  8. 根据权利要求1至7任一项所述的植物生长灯，其特征在于，所述植物生长灯还包括前盖，通过所述前盖将一透明件设于所述灯本体的前端。
  9. 根据权利要求8所述的植物生长灯，其特征在于，所述透明件与所述前盖的接触面设有一密封圈。
PCT/CN2016/076403 2015-05-08 2016-03-15 一种植物生长灯 WO2016180078A1 (zh)

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