CN204300900U - A kind of plant illumination device - Google Patents
A kind of plant illumination device Download PDFInfo
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- CN204300900U CN204300900U CN201420868547.9U CN201420868547U CN204300900U CN 204300900 U CN204300900 U CN 204300900U CN 201420868547 U CN201420868547 U CN 201420868547U CN 204300900 U CN204300900 U CN 204300900U
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- intensity distribution
- light source
- luminous intensity
- light
- distribution support
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Abstract
The utility model discloses a kind of plant illumination device, it comprises light source and is arranged at the luminous intensity distribution support on this light source emitting light path, this luminous intensity distribution support has at least one reflecting surface, in order to irradiating the fringe region being dispensed to sensitive surface in the light of luminous intensity distribution rack surface.The utility model by arranging luminous intensity distribution support on the emitting light path of light source, and a part for the light beam relatively concentrated centre is assigned to the lower fringe region of illuminance; In the surrounding of light source by having light-reflecting property or being fenced up with the light barrier of reflectance coating, the light reflection escaped out can be made to the region required for plant growth; Light source and/or luminous intensity distribution support can swing or twist under the effect of drive unit, light therefore can be made to penetrate different aspects, or be irradiated to the leaf of different directions, and illuminating effect can be made so more effective.
Description
Technical field
The utility model relates to a kind of lighting device, and particularly a kind of plant illumination device, belongs to lighting technical field.
Background technology
The only energy source of all life on the earth is one of all living things most important factor of depending on for existence in the world, origin of life and evolve and be unable to do without light, and biological structure and fuction also will be subject to the strong impact of light.Growth of green plants needs sunlight, and this mainly because they need to carry out photosynthesis, provides the nutriment etc. required for own growth.Plant physiology result of study shows, 90% of crops dry matter weight derives from photosynthesis, and the impact of reflection bright dipping on crop yield is most important.
In order to promote the photosynthesis of plant, manual simulation plant optimum growh photoenvironment carries out light filling irradiation to plant, there is provided plant chlorophyll the required illumination absorbing spectral coverage, improve the illumination condition of crops, make plant also can carry out good photosynthesis in night or cloudy day, make it to be in optimum growh state, shorten ripe, significant to develop high-tech agricultural.
Current LED plant lamp is mainly based on the form that high-power (1-3W) LED array coordinates with optical lens: their major parameter is: 120 degree of light emitting angers, and the electrical power of every square metre of light fixture is 300-1200W; Wavelength proportioning is primarily of blue light and ruddiness composition; There is light efficiency lower, uniformity is bad, photochromic abundant not, and reliability is the problem such as poor also.
Wherein homogeneity question is larger problem, shown in ginseng Fig. 1, wherein illuminance is stronger at middle part, and fringe region illuminance is relatively weak, a part of plant is caused ripe because uneven illumination is even, and another part is just ripe after will waiting until 1-2 week, have impact on job placement and the output of results widely.
Therefore, the problem of illumination uniformity must effectively be solved.
Summary of the invention
The purpose of this utility model is to provide a kind of plant illumination device, to overcome deficiency of the prior art.
For achieving the above object, the utility model provides following technical scheme:
The utility model embodiment discloses a kind of plant illumination device, comprise light source and be arranged at the luminous intensity distribution support on this light source emitting light path, described luminous intensity distribution support has at least one reflecting surface, in order to irradiating the selection area being dispensed to the sensitive surface corresponding with light source at least part of light of described luminous intensity distribution rack surface.
Preferably, in above-mentioned plant illumination device, the diameter of described luminous intensity distribution support increases gradually along the emitting light path direction of light source.
Preferably, in above-mentioned plant illumination device, the lateral cross section of described luminous intensity distribution support ringwise.
Preferably, in above-mentioned plant illumination device, the longitudinal cross-section of described luminous intensity distribution support is tapered.
Preferably, in above-mentioned plant illumination device, the outer surface of described luminous intensity distribution support has light-reflecting property or has reflectance coating.
Preferably, in above-mentioned plant illumination device, the inner surface of described luminous intensity distribution support has light-reflecting property or has reflectance coating.
Preferably, in above-mentioned plant illumination device, described luminous intensity distribution support and described light source are coaxially arranged.
Preferably, in above-mentioned plant illumination device, the edge of described light source is with light barrier, and described light barrier has light-reflecting property towards the one side of described light source or attached one-tenth has reflectance coating.
Preferably, in above-mentioned plant illumination device, be uniformly distributed with the illuminance on the sensitive surface that described light source is just right.
Preferably, in above-mentioned plant illumination device, if what light source sent is close to parallel light, and the geometric scale irradiated is identical with light source yardstick or close, described luminous intensity distribution support (it is highly for the angle alpha of reflecting surface c) and horizontal direction is about 90 ° of-arctg(0.5*L/a)/2, the long edge lengths L of described light source, luminous intensity distribution support height are c, and it is along the minimum diameter d of light source long side direction
minand maximum diameter d
maxmeet: d
max/ (c+b)=tg(90 °-alpha) and d
min// b=tg(90 °-alpha).
Preferably, in above-mentioned plant illumination device, meet between the distance b between the top of the long edge lengths L of described light source, light barrier height h, distance a between light source and sensitive surface and luminous intensity distribution support and light source: L:h:a:b=10:5:15:2.
Preferably, in above-mentioned plant illumination device, described light source is LED light source, but is not limited thereto.
Preferably, in above-mentioned plant illumination device, also comprise drive unit, carry out rotating in order to order about described light source and/or luminous intensity distribution support, twist, swing among one or more actions and/or in order to adjust the distance between described luminous intensity distribution support and described light source, thus the reflection angle of the light in described luminous intensity distribution rack surface is irradiated in adjustment.
Further, described drive unit comprises the driving shaft that can order about the rotation of described luminous intensity distribution support, and one end of the Reflecting blade of wherein said luminous intensity distribution support is rotating to be connected on driving shaft, and the other end is movable end.So, the vertical angle of described luminous intensity distribution support reflection lobes can be changed by velocity of rotation.
The utility model embodiment also discloses a kind of lighting device, comprise light source and be arranged at the luminous intensity distribution support on this light source emitting light path, described luminous intensity distribution support has at least one reflecting surface, and described reflecting surface is in order to irradiating the selection area being dispensed to sensitive surface at least part of light on its surface.
The utility model additionally provides a kind of plant illumination method, comprise: light source is provided, and arrange luminous intensity distribution support on the emitting light path of this light source, and at least one reflecting surface utilizing described luminous intensity distribution support to have will irradiate the selection area being dispensed to the sensitive surface corresponding with described light source at least part of light of described luminous intensity distribution rack surface.
As one of comparatively preferred embodiment, the method also can comprise:
By drive unit order about described light source and/or luminous intensity distribution support carry out rotating, twist, swing among one or more actions and/or adjust the distance between described luminous intensity distribution support and described light source by drive unit, thus the reflection angle of the light in described luminous intensity distribution rack surface is irradiated in adjustment, and then adjustment source light is in the exposure intensity of the zones of different of different sensitive surface.
Therefore light can be made to penetrate different aspects, or be irradiated to the leaf of different directions.
As one of comparatively preferred embodiment, the method also can comprise: adopt the drive unit comprising a driving shaft, and be connected to rotating for Reflecting blade one end of described luminous intensity distribution support on described driving shaft, and make the described Reflecting blade other end be movable end,
And, order about described luminous intensity distribution support by setting speed rotation with described driving shaft, thus make described Reflecting blade become to set angle with between driving shaft.
Compared with prior art, advantage of the present utility model comprises:
1) the utility model by arranging luminous intensity distribution support on the emitting light path of light source, light better can be dispensed to the selection area on sensitive surface, such as, original integrated distribution is assigned to the lower fringe region of illuminance in a part for the light beam of sensitive surface middle section, thus realizes the uniform distribution of light on sensitive surface;
2) by having light-reflecting property or being fenced up by light source with the light barrier of reflective membrane, the light that originally may escape out can be made also to collect and reflex to sensitive surface, such as, on plant leaf surface, improve the utilization rate of light;
3) order about light source and/or the swing of luminous intensity distribution support by drive unit, rotate or twisting, or the distance of light source and luminous intensity distribution support is changed by drive unit, can make the light of light source outgoing can dynamic conditioning in the exposure intensity of the zones of different of different sensitive surface or same sensitive surface, and then make illuminating effect more effective.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The schematic diagram of intensity of illumination distribution on sensitive surface when Figure 1 shows that in prior art, plant illumination light source irradiates;
The distribution map of illuminance on sensitive surface when Figure 2 shows that in the utility model one embodiment, plant illumination device irradiates;
Fig. 3 a-Fig. 3 b is depicted as top view and the side view of plant illumination device in the utility model one embodiment;
The distribution map of illuminance on sensitive surface when Figure 4 shows that in another embodiment of the utility model, plant illumination device irradiates.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be described in detail the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of the utility model protection.
Consult shown in Fig. 2, in one embodiment, a kind of plant illumination device comprises light source 1, light source 1 comprises the LED chip that many group patterns are arranged, hobby illumination wavelength required for different plant growths is different, therefore need according to plant growth to the demand of spectrum segment the LED chip of the corresponding wave band of option and installment.
The lighting device that it should be noted that in this case is equally applicable to other and requires higher field to uniform illumination degree, and when applying, light source also can adopt other illuminators such as Halogen lamp LED.
The emitting light path of light source 1 is provided with a luminous intensity distribution support 2, luminous intensity distribution support 2 is preferably coaxially arranged with light source 1, and it is for distributing than the light beam of comparatively dense the fringe region that a part arrives sensitive surface 3 by middle part.
Refer to Fig. 3 a-3b again, wherein luminous intensity distribution support 2 entirety can be horn-like in one, and it has the cavity of a hollow, the both ends open up and down of cavity, and some light can be directly radiated on sensitive surface 3 by cavity.The sidewall slope of luminous intensity distribution support 2 is arranged, and ringwise, and its diameter increases along emitting light path direction its cross section gradually.The contour shape of luminous intensity distribution support is corresponding with light source, and preferably, light source entirety is rectangle arrangement, and the cross section correspondence of luminous intensity distribution support is rectangle setting, and length limit is corresponding with light source.
Luminous intensity distribution support 2 preferably can adopt the materials such as acrylic, aluminium foil or plastics to make, the outer surface of luminous intensity distribution support 2 plates or sticks reflectance coating, can by the light reflection that is radiated at its surface to the lower region of sensitive surface illuminance by reflectance coating, i.e. the fringe region of sensitive surface.Like this, both maintain original fitting structure, solve again the problem that the even light efficiency of uneven illumination is low.It is high that such light fixture has light efficiency rate, the advantages such as cost is low, uniform-illumination.
The inwall of luminous intensity distribution support 2 also can plate or stick transmitting film, the some light tilting to enter in luminous intensity distribution support the effect of reflectance coating can carry out light reproduction distribution on inwall.
The surrounding of light source 1 is also around there being light barrier 4, and light barrier 4 extends along emitting light path direction, and light barrier plates towards the one side of light source 1 or posts reflectance coating, the light reflection escaped out can be made to the region required for plant growth by the effect of light barrier.
Under the acting in conjunction of luminous intensity distribution support 2 and light barrier 4, the light of LED light source re-starts distribution, makes it reach effective and uniform dual purpose.
In order to make the intensity of illumination on the sensitive surface just right with light source be uniformly distributed, inventor has carried out a large amount of practice, finds when meeting following condition, just can meet better being uniformly distributed (light source long side direction) of intensity of illumination:
If what light source sent is close to parallel light, and the geometric scale irradiated is identical with light source yardstick or close, described luminous intensity distribution support (it is highly for the angle alpha of reflecting surface c) and horizontal direction is about 90 ° of-arctg(0.5*L/a)/2, the long edge lengths L of described light source, luminous intensity distribution support height are c, and it is along the minimum diameter d of light source long side direction
minand maximum diameter d
maxmeet: d
max/ (c+b)=tg(90 °-alpha) and d
min// b=tg(90 °-alpha).
Further, meet between the distance b between the top of the long edge lengths L of described light source, light barrier height h, distance a between light source and sensitive surface and luminous intensity distribution support and light source: L:h:a:b=10:5:15:2.
Further, light source can also be connected with a drive unit, and this drive unit can drive light source to carry out rotating, swing or twisting, and makes light to penetrate different aspects, or is irradiated on the leaf of different directions, and illuminating effect so can be made more effective.
In other embodiments, drive unit can also drive luminous intensity distribution support to carry out rotating, twist or swinging, or the while of drive unit, driving light source and luminous intensity distribution support move.
Refer to Fig. 4, in another embodiment of the present utility model, a driving shaft 5 can be adopted, and be connected to rotating for Reflecting blade one end of described luminous intensity distribution support 2 ' on described driving shaft, and make the described Reflecting blade other end be movable end,
And, order about described luminous intensity distribution support by setting speed rotation with described driving shaft, thus make described Reflecting blade become to set angle with between driving shaft.
According to the needs of different luminous intensity distribution, the angle of luminous intensity distribution support Reflecting blade and vertical direction can be changed by the velocity of rotation adjusting driving shaft, thus reach the photodistributed object of adjustment.
And, also by ordering about this luminous intensity distribution support and/or light source relative movement on vertical direction, thus adjust light in the reflecting angle of luminous intensity distribution rack surface by the distance between adjustment light source and luminous intensity distribution support.
It should be noted that, in this article, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
The above is only detailed description of the invention of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. a plant illumination device, it is characterized in that the luminous intensity distribution support comprising light source and be arranged on this light source emitting light path, described luminous intensity distribution support has at least one reflecting surface, in order to irradiating the selection area being dispensed to the sensitive surface corresponding with light source at least part of light of described luminous intensity distribution rack surface.
2. plant illumination device according to claim 1, is characterized in that: the diameter of described luminous intensity distribution support increases gradually along light source emitting light path direction.
3. plant illumination device according to claim 2, is characterized in that: the lateral cross section of described luminous intensity distribution support ringwise or the longitudinal cross-section of described luminous intensity distribution support tapered.
4. plant illumination device according to claim 3, is characterized in that: the outer surface of described luminous intensity distribution support and/or inner surface have light-reflecting property or have reflectance coating.
5. plant illumination device according to claim 1, is characterized in that: described luminous intensity distribution support and described light source are coaxially arranged.
6. plant illumination device according to claim 1, is characterized in that: the edge of described light source is with light barrier, and described light barrier has light-reflecting property towards the one side of described light source or has optical reflection film.
7. plant illumination device according to claim 6, it is characterized in that: if light source sends is close to parallel light, and the geometric scale irradiated is identical with light source yardstick or close, the reflecting surface of described luminous intensity distribution support and the angle alpha of horizontal direction are 90 ° of-arctg(0.5*L/a)/2, the long edge lengths L of described light source, luminous intensity distribution support height are c, and it is along the minimum diameter d of light source long side direction
minand maximum diameter d
maxmeet: d
max/ (c+b)=tg(90 °-alpha) and d
min// b=tg(90 °-alpha).
8. plant illumination device according to claim 6, is characterized in that: meet between the distance b between the top of the long edge lengths L of described light source, light barrier height h, distance a between light source and sensitive surface and luminous intensity distribution support and light source: L:h:a:b=10:5:15:2.
9. plant illumination device according to claim 1, characterized by further comprising drive unit, carry out rotating in order to order about described light source and/or luminous intensity distribution support, twist, swing among one or more actions and/or in order to adjust the distance between described luminous intensity distribution support and described light source, thus the reflection angle of the light in described luminous intensity distribution rack surface is irradiated in adjustment.
10. plant illumination device according to claim 9, it is characterized in that described drive unit comprises the driving shaft that can order about the rotation of described luminous intensity distribution support, one end of the Reflecting blade of wherein said luminous intensity distribution support is rotating to be connected on driving shaft, and the other end is movable end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420868547.9U CN204300900U (en) | 2014-12-31 | 2014-12-31 | A kind of plant illumination device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420868547.9U CN204300900U (en) | 2014-12-31 | 2014-12-31 | A kind of plant illumination device |
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| Publication Number | Publication Date |
|---|---|
| CN204300900U true CN204300900U (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420868547.9U Withdrawn - After Issue CN204300900U (en) | 2014-12-31 | 2014-12-31 | A kind of plant illumination device |
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| CN (1) | CN204300900U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976555A (en) * | 2014-12-31 | 2015-10-14 | 苏州东善微光光电技术有限公司 | Lighting device and method for plants |
| CN106069372A (en) * | 2016-07-12 | 2016-11-09 | 佛山杰致信息科技有限公司 | plant illumination incubator |
| WO2017041623A1 (en) * | 2015-09-09 | 2017-03-16 | Sinowell (Shanghai) Co., Ltd. | Adjustable reflector device for light fixtures |
| US9810400B2 (en) | 2015-09-09 | 2017-11-07 | Sinowell (Shanghai) Co., Ltd. | Adjustable reflector device for light fixtures |
| CN110337940A (en) * | 2019-08-22 | 2019-10-18 | 何军杰 | A kind of promotion crop growth dynamic illumination compensation system |
-
2014
- 2014-12-31 CN CN201420868547.9U patent/CN204300900U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976555A (en) * | 2014-12-31 | 2015-10-14 | 苏州东善微光光电技术有限公司 | Lighting device and method for plants |
| CN104976555B (en) * | 2014-12-31 | 2017-11-21 | 苏州东善微光光电技术有限公司 | A kind of plant illumination device and method |
| WO2017041623A1 (en) * | 2015-09-09 | 2017-03-16 | Sinowell (Shanghai) Co., Ltd. | Adjustable reflector device for light fixtures |
| US9810400B2 (en) | 2015-09-09 | 2017-11-07 | Sinowell (Shanghai) Co., Ltd. | Adjustable reflector device for light fixtures |
| CN106069372A (en) * | 2016-07-12 | 2016-11-09 | 佛山杰致信息科技有限公司 | plant illumination incubator |
| CN110337940A (en) * | 2019-08-22 | 2019-10-18 | 何军杰 | A kind of promotion crop growth dynamic illumination compensation system |
| CN110337940B (en) * | 2019-08-22 | 2021-11-26 | 深圳市霍迪科技有限公司 | Promote crops growth with dynamic illumination compensating system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150429 Effective date of abandoning: 20171121 |
|
| AV01 | Patent right actively abandoned |