This disclosure generally relates to growing systems for plants.
There is a continuing need for horticulture systems that can save energy and increase yields in horticulture applications.
Both indoor growing and greenhouse cannabis growing each may have their own advantages and disadvantages, and each may have their methods and practices of cultivation, especially with respect to lighting. Typically greenhouse growing may use sunlight as the main light source, and supplement this light with artificial lighting. Indoor growing may typically rely solely on artificial lighting. Regardless of whether the growing method is greenhouse or indoor, the supplemental lighting may typically be hung overhead at a relatively large distance from the canopy of the plants. The potential disadvantages of this method of lighting are many and well known in the art, and will not be discussed here for brevity. Additionally, there may be other improvements that may serve to increase plant yields and save on energy, as may be subsequently discussed.
Using the overhead lighting method as previously described with cannabis plants, the plants may form dense canopies that make it difficult for adequate light penetration beneath it. As a result, the number and quality of colas in those lower regions of the plants may be diminished. If light could be distributed more homogenously across the entire plant, the plant yield (commercially saleable cannabis products) may also increase. Accordingly, an LED lighting system that could supply adequate light levels from the side of plants as well as from the top, and would not functionally interfere with the growing techniques utilized, may be advantageous.
If such a side lighting LED lighting apparatus did exist, it may comprise rigid panels or other apparatus that may interfere with access to the plants with respect to the inspection and maintenance of the plants. If a novel lighting apparatus could be devised that would evenly light the sides and tops of the plants as well as allow full access to the plants, such an apparatus may be very advantageous.
The leaf surface temperature (LST) may be an important factor in optimizing cannabis yields. There may be prevailing industry acceptance that using HPS light fixtures, 75 degree F. may be the optimal ambient air temperature. However, HPS lights may include a substantial amount of infrared light which may raise the LST by up to 10 degrees. LED lighting may include little or negligible infrared light, which may require the ambient room temperature to be increased by a proportional amount. Considering hot air rises, it may take a considerable amount of energy to keep such a higher ambient temperature, especially in colder climates or seasons. An LED lighting system that could supply this extra required heat may indeed be advantageous. Furthermore, such a system that could adjust the degree of extra heat would may be even more advantageous.
Sufficient carbon dioxide levels and the distribution thereof may also be an important factor in achieving optimal yields. When carbon dioxide is injected into a growing environment, it may sink to the lowest levels of the grow room due to the molecules increased density relative to air. Many fans may need to horizontally blow across the grow environment to evenly distribute the carbon dioxide adequately. If a novel lighting apparatus could include a passive system of ventilation, that functioned similarly to what may occur with the “stack effect” or “chimney effect” that could continuously and evenly circulate air and carbon dioxide from regions near the ground or floor towards regions above the plants, this may evenly distribute carbon dioxide evenly around the plants and may be of great benefit.
If a novel lighting apparatus could be devised that surrounded plants and also had a means for even distribution of injected carbon dioxide around the plants, this may offer substantial benefits.
If a novel lighting apparatus could be devised that was able to be disposed on the floor instead of being hung from the ceiling, yet only take up a negligible amount of floors space, and also be modular, that may also be very advantageous.
If a novel lighting apparatus could be devised that was able to utilize the weight of potted plants as a structural elements, this may minimize the footprint of the apparatus, as well as the size, weight and complexity of the apparatus. This may be very advantageous.
If a novel side and top lighting apparatus as described could be easily adjusted in height to accommodate different plant heights, this would also be of great benefit.
Importantly, if a novel side and top lighting apparatus as described could equally function both in a greenhouse application as a supplemental light source as well as the primary or only light source in an indoor grow environment, that would indeed be of valuable benefit.
Embodiments of the claimed invention that will subsequently be described may embody some or all of the beneficial or advantageous qualities as previously described.
Although various embodiments of the invention may be described with respect to cultivating cannabis, this is for illustrative purposes only, and should not be construed to limit the scope of possible applications for the various embodiments of the invention. The written descriptions may use examples to disclose certain implementations of the disclosed technology, including the best mode, and may also to enable any person skilled in the art to practice certain implementations of the disclosed technology, including making and using any devices or systems and performing any incorporated methods. The patentable scope of certain implementations of the disclosed technology is defined in the claims, and may include other examples that occur to those skilled in the art. Such other examples are intended to be within the scope of the claims if they have structural elements that do not differ from the literal language of the claims, or if they include equivalent structural elements with insubstantial differences from the literal language of the claims.
An example embodiment of a novel modular plant growing system (“MPGS”) is shown in
As shown, the light panels 3 may be two sided, wherein light engines 5 and reflector material 6 may be disposed on both sides of a light panel 3. This novel feature may allow more efficient usage of the growing space. In applications where a light panel 3 may be disposed on the outside row of a growing space wherein no plants are located on a side of the light panel 3, the light panel 3 may be configured with light engines on only one side of the panel.
Each module may comprise a removable top panel 1, which may further comprise one or more fans 10, and a reflector panel 2.
The power connector 24 supplied by the electrical cable 23 may allow power connecting cables to interconnect adjacent modules. This may have the advantages of keeping the electrical power cables away from the ground where moisture and interference with plant maintenance may be an issue. Additionally, this method of interconnection of modules may allow modules to be moved independently of adjacent modules while still remaining connected. Additional wires or connectors may be utilized in a similar fashion, such as sensor control circuits etc. The last module in a row of example embodiments of MPGS may advantageously be capable of connecting to a ceiling mounted power distribution node and or other controller nodes, thus keeping cabling off the floor or ground.
The module bases 4 may optionally comprise rollers 28, which may comprise any apparatus which may allow a module to be moved. This may be advantageous in applications where example embodiments of modules or MPGS may be needed to move for plant maintenance, harvest etc.
Referring to
The heat sinks 32 may comprise an aluminum extrusion that include channels to engage and secure the LED strips 34.
Two heat sinks may be configured back to back as shown, wherein two or more spacers 36 may function both to attach and secure the opposing heat sinks 32 together, as well as create an air gap to allow better thermal management of the heat emitted by the LED strips 34. Additionally, the gap created may create a guide track that may slidingly engage with corresponding flanges on the vertical supports.
Adjustments in the height of example embodiments of collapsible light panel may also be accomplished by configuring the light panels with less light engines 5 and reflection material sections 6 as shown in
Again referring to
Although example embodiments of light engines are shown with heat sinks 32 and LED strips 34 engaged in channels in the heat sinks 32, this should not be construed to limit the possibilities of variations of light engine configurations. Any light source with any suitable thermal management system may also be utilized. For example, individual high power LED modules may be configured on a heat sink. Alternate methods of connecting the reflection material 6 to the heat sinks 32 may be utilized, such as glue, crimping, fasteners, clips etc.
In example embodiments of light engine, diffusers 31 may be incorporated to enable the light to be diffused to some degree to allow a more even light dispersion with reduced hot spots. Although example embodiments of light engines are shown with diffusers 31, alternate diffuser systems may also be incorporated. Example embodiments may include alternate diffuser lens shape and size configurations. Example embodiments may include individual optical lenses over individual LEDs. Example embodiments may have no diffuser at all. Lens material may comprise acrylic or PC and may comprise diffusion particles disposed within the substrate, or disposed on one or more sides of the lens. Lens material may comprise optical diffusion film or lenticular lens films.
A novel method of light distribution in example embodiments of collapsible light panels is shown using the diffusers 31 and reflectors 35 in
Again referring to
In example embodiments of MPGS, removable top panels (feature 1 on
In example embodiments, a sensor array 50 with support wires or tube 51 may be disposed inside the MPGS. Sensors may include temperature sensors, humidity sensors, CO2 sensors etc. Sensors, if utilized, may be placed in any position within example embodiments of MPGS that may be beneficial, and may be mounted by any method that may be suitable. CO2 distribution hoses 12 may comprise valves that may be controlled by the sensors to allow preset CO2 levels to be maintained.
An important element for plant health and optimal yields is maintaining the proper temperature, CO2 level and humidity. A novel aspect of example embodiments of MPGS is the enclosed environment around the plants, which may allow a microclimate to be maintained, controlled and monitored. A diagram of this microclimate is shown in
CO2 may be hard to distribute evenly on a macro room level. CO2, which may be heavier than air, may require series of fans in a room to blow the CO2 around the plants to get it where it will be most beneficial. In example embodiments of MPGS, the CO2 may be pulled upward thereby surrounding and bathing the plants with CO2. With cannabis plants, optimal CO2 levels may affect yields to a very significant degree, wherein this novel feature of example embodiments of MPGS may be extremely beneficial.
Humidity may also be controlled in a novel manner. In a manner similar to the distribution of CO2 as shown in
In an example embodiment of the described technology, a modular plant growing system may comprise two or more substantially vertical light panels, wherein each substantially vertical light panel may comprise one or more LED light engines. A support base may be attached directly or indirectly to each vertical light panel, wherein the support bases are configured to engage with bottom surfaces of plant growing containers. The modular plant growing system may further comprise optional one or more top reflection panels configured to be disposed above the two or more substantially vertical light panels, the one or more top reflection panels may comprise reflection material and at least one ventilation opening. A plant growing space may be provided in the space defined by the two or more substantially vertical light panels and the one or more optional top reflection panels.
In an example embodiment, the substantially vertical light panels may be light panels that are at least partially collapsible in the vertical direction.
In an example embodiment, the substantially vertical light panels may be light panels that are at least partially collapsible in the vertical direction, and may further comprise reflection material attached to the one or more LED light engines.
In an example embodiment, the one or more LED light engines may comprise lenses that direct the light predominantly at angles between 45 degrees and 0 degrees, wherein 45 degrees may represent the axis emanating from the normal of the LED light sources, and 0 degrees may represent the vertical axis of the one or more substantially vertical light panels.
In an example embodiment the one or more top reflection panels may comprise fans.
In an example embodiment, the one or more top reflection panels may comprise fans, wherein the fan speed is controlled by sensors.
In an example embodiment, a modular plant growing system may comprise individual modules, wherein the plant growing space defined the two or more substantially vertical light panels and a top panel may define a single module, and wherein subsequent modules may be attached either end to end or side by side.
In an example embodiment, the two or more substantially vertical light panels when fully extended may have openings below them to allowing air ventilation within the modular plant growing system.
In an example embodiment, the top reflection panels may be omitted.
In an example embodiment, a modular plant growing system may further comprises vertical support frame members that are configured to slidingly engage with the substantially vertical light panels.
In an example embodiment, the one or more LED light engines may be configured with guide tracks configured to slidingly engage with one or more vertical support frame members configured to support the substantially vertical light panels light panels, wherein the substantially vertical light panels may slide up or down on the one or more vertical support frame members.
In an example embodiment, the substantially vertical light panels may be configured to nest within one or more vertical support frame members that are configured to support the substantially vertical light panels light panels.
In an example embodiment of the described technology, a light panel may comprise a light panel configured to both emit and reflect light, and that is partially collapsible in at least one direction. The light panel may comprise one or more light engines and flexible reflection material may be connected between the light engines. The one or more light engines and the flexible reflection material may form a flexible light panel that both emits and reflects light, wherein the light panel may be partially collapsed in at least one direction.
In an example embodiment, the light engines may comprise elongated heat sinks with one or more LED light sources attached to the elongated heat sinks.
In an example embodiment, the flexible reflection material may be attached to one more sides of the elongated heat sinks.
In an example embodiment, the light engines may be configured in back to back pairs.
In an example embodiment, one or more light engines may be configured with diffuser lenses and reflector elements configured to direct light from a light source disposed within the light engine.
In an example embodiment, one or more light engines may comprise optical film configured with folds, therein providing a means of attachment to elongated heat sinks, and may also be able to provide different lens shape configurations.
In an example embodiment of the described technology, a modular micro-climate environment for growing plants is provided, and may comprise two or more side walls comprising light panels configured to both emit and reflect light, and may further comprise one or more top panels configured to reflect light. A single module is defined by the two side walls and a top panel, and wherein modules are configured to attach or be disposed to adjacent modules either end to end or side by side.
While certain implementations of the disclosed technology have been described in connection with what is presently considered to be the most practical implementations, it is to be understood that the disclosed technology is not to be limited to the disclosed implementations, but on the contrary, is intended to cover various modifications and equivalent arrangements included within the scope of the appended claims. Although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
This written description may use examples to disclose certain implementations of the disclosed technology, including the best mode, and may also to enable any person skilled in the art to practice certain implementations of the disclosed technology, including making and using any devices or systems and performing any incorporated methods. The patentable scope of certain implementations of the disclosed technology is defined in the claims, and may include other examples that occur to those skilled in the art. Such other examples are intended to be within the scope of the claims if they have structural elements that do not differ from the literal language of the claims, or if they include equivalent structural elements with insubstantial differences from the literal language of the claims.
This application claims the benefit of the following United States Provisional Patent Applications, the contents of which are incorporated by reference in their entirety as if set forth in full: U.S. Provisional Patent Application No. 62/883,976, entitled “Modular Plant Growing System,” filed Aug. 7, 2019.
Number | Date | Country | |
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62883976 | Aug 2019 | US |