CN202697344U - Device for cultivating plants by utilizing light emitting diode (LED) light source - Google Patents

Abstract

The utility model provides a device for cultivating plants by using LED light source, which comprises an LED light source board, a plant cultivation groove for cultivating plants, and a cultivation frame. The method of using the device to cultivate plants is to place the light source board at 2-15cm above the plants, and illuminate the plants below twice the area of the light source board in turn. The device proposed by the utility model can also be adjusted in the horizontal direction while adjusting the height of the light source board, so as to maximize the use of the advantages of the cold light source of the LED lamp, and minimize the distance between the light source board and the plant in the vertical direction to reduce the light emission. Intensity, saving electricity; using the alternating light/dark period of plant growth, the light source board per unit area can provide the light source lighting required for the growth of twice the original area of plants, while ensuring the normal physiological activities of plants in light and dark periods, the LED light source board The initial investment is halved.

Description

A device for cultivating plants using LED light source

technical field

The utility model relates to artificial light source equipment for plant cultivation, in particular to a plant cultivation device using an LED light source.

Background technique

At present, LED plant growth light source technology is developing rapidly. There are many reports about plant growth lights using LED as light source. Each has its theoretical basis and application value, but the application focuses and effects are different. CN1596606 discloses a "high-efficiency energy-saving LED plant ecological lamp", which provides a linear transparent resin tubular lamp with simple wiring and low cost; CN102349354A discloses an "energy-saving LED lighting device", which can Rectify the waveform and turn on or off the output of the drive part to achieve the purpose of improving the power factor and reducing power consumption; CN102418891A discloses "an automatic energy-saving LED lamp", which provides a photosensitive controller instead of manual on and off LED lights with power supply; CN102098846A discloses an "intelligent energy-saving LED light control system", which provides a system for realizing intelligent control of LED lights through a variable voltage power supply module, a human body infrared detection module, a photosensitive sensor and other devices; CN102338324A discloses a " LED plant light device capable of producing mixed light and its implementation method", adopting a matrix-structured LED chip group in a single LED light, adjusting the chromaticity and brightness of the LED light through an external control circuit, so that a single LED can produce mixed light, Reduce the power consumption and cost of plant lamps; CN102355779A discloses a "LED plant growth lamp simulated daylight control system", which provides a LED plant with simulated daylight function with stable performance, software intelligent control, flexible operation, and easy promotion and use Grow lamp simulation daylight control system; CN101725871A discloses "an LED plant growth lamp", which provides a kind of research and production that facilitates the research and production of various light supplement objects (plants) in the same space, and can be optimized or programmed according to the light environment It is a device that improves the effectiveness of light energy, improves the use efficiency of facilities, and reduces comprehensive cost input; CN101990828A discloses a "method for regulating plant growth by using LED light source and its LED plant lighting lamp", which provides a device based on The principle of plant growth and development cycle, photosynthetic principle, spectral wavelength selective absorption and other principles uses the green and blue primary colors of the LED light source and the mixed light of some LED auxiliary light sources to scientifically supplement the light of plants and improve the quality of fruit; CN102330913A discloses a device "LED plant growth lamp" provides an LED plant growth lamp that can play a good role in promoting the growth of plants in the whole process of plant growth; CN102438370A discloses "a full digital intelligent LED plant supplementary light control system", It provides a centralized control system for a wide range of plant supplementary lights that uses all-digital intelligent control technology to realize on-demand supplementary light for a variety of different plants in the same space.

As the main light source for plant growth in future plant factories instead of fluorescent lamps, LED lamps have a series of advantages such as small size, long life, high luminous efficiency, low power consumption, and controllable spectrum. Geometric decay trend. Previous research and products focused on the development of LED light source power supply, control system, and LED lamp bead spectral composition. Although the light intensity required by plants can be achieved, and some technologies have played a role in energy saving to a certain extent, it is far from It does not meet the energy-saving requirements of large-scale artificial light vegetable production in the future.

Utility model content

In view of the deficiencies in the existing technical field of plant cultivation using light sources, the purpose of the utility model is to provide a device for plant cultivation using LED light sources.

The technical scheme that realizes the utility model purpose is:

A device for cultivating plants using an LED light source, comprising an LED light source board, a plant cultivation tank, a cultivation frame for placing the LED light source board and the plant cultivation tank, the LED light source board is located above the plants, and the cultivation frame is provided with a vertical movement The device has an area where the LED light source board moves vertically on the cultivation frame.

The cultivation frame is also provided with a horizontal moving device, and there is an area for the horizontal movement of the LED light source board on the cultivation frame, and the area of the horizontal movement is 2-2.5 times the area of the LED light source board.

Wherein, the light source board is located 2-15 cm above the plants.

In order to maximize the advantages of the cold light source of LED lamps, the distance between the LED light source board and the plants should be reduced as much as possible in the vertical direction, and the luminous intensity of the LEDs should be reduced at the same time, so that the plants can obtain the required light with the minimum energy consumption. Energy saving effect. Preferably, the LED light source board is located 5-10 cm above the plants.

Wherein, the area of the plant cultivation tank is 2-2.5 times the area of the LED light source board, preferably, the area of the plant cultivation tank is twice the area of the LED light source board.

The vertical moving device and the horizontal moving device are respectively controlled to move by one of mechanical, electrical, hydraulic and pneumatic methods. The vertical moving device and the horizontal moving device are respectively one or more of belts, chains, steel wires, gears, pulleys, hydraulic pressure, pistons, guide rails, leading screws and actuators.

The method of using the device is to place the LED light source board and the plants on the cultivation device, the LED light source board is located 2-15cm above the plants, and the LED light source board is periodically moved horizontally to illuminate the plants below in turn.

The beneficial effects of the utility model are:

1) The method of the present invention maximizes and utilizes the advantages of the cold light source of the LED lamp, minimizes the distance between the light source board and the plants in the vertical direction, and reduces the luminous intensity at the same time, so that the plants can obtain the required energy with the minimum energy consumption. lighting to achieve energy-saving effects.

2) The method of the present invention maximizes and utilizes the advantages of energy saving and long life of LED lamps. While adjusting the height of the light source board, it can also be adjusted in the horizontal direction. Using the alternating light/dark periods of plant growth, the light source board per unit area It can provide the light source lighting required for the growth of plants with twice the original area. While ensuring the normal physiological activities of the plants below in light and dark periods, the initial investment in LED light source boards is halved. The device of the present invention is placed in a plant factory without sunlight. However, it is also suitable for all occasions where LED light sources are used to cultivate and supplement light for plants, regardless of whether they receive light or not.

Description of drawings

Fig. 1 is a device for cultivating plants using a light source according to the utility model. In the figure, 1 is a cultivation frame, 2 is a vertical guide rail, 3 is an LED light source board, 4 is a horizontal guide rail, and 5 is a plant. The arrows in the figure indicate the moving direction of the LED light source board.

Detailed ways

Now illustrate the utility model with the following preferred embodiments, but not used to limit the scope of the utility model.

Example 1:

Treatment group: as shown in Figure 1, a device for cultivating plants, including an LED light source board 3, a plant cultivation tank for placing plants 5, and a cultivation frame 1 for the LED light source board, the LED light source board 3 is located above the plant 5, and the cultivation frame is vertically supported The vertical guide rail 2 is installed on the top, and the horizontal guide rail 4 is installed on the horizontal support. The LED light source board 3 is kept at a certain height above the plant 5 by the traction of the motor, and moves upward when the plant 5 grows tall. In this embodiment, the control LED light source board 3 is located 5 cm above the plant 5 . The same area of plants was irradiated with the same area of light board (light source board) as that of the control group. The device is placed in a plant factory, placed in multiple layers.

Control group: the light source board with the same area as the plant cultivation area was fixed at 25cm above the plants, and did not move, and the light intensity of the plants was kept the same as that of the treatment group.

The method of this embodiment can maximize and utilize the advantages of the cold light source of the LED, reduce the distance between the light source board and the plants, so that when the luminous intensity of the LED is low, it can meet the needs of the plants below for illumination, and greatly save energy. .

Taking lettuce as an example, the method of this embodiment enables the lettuce to grow normally, and its Vc, anthocyanin, and carotenoid contents are not significantly different from those of the control group, and the power consumption is 45% lower than that of the control group.

Example 2:

Treatment group: a device for cultivating plants, including LED light source boards, plants, cultivation frames for placing plants and light source boards, the light source board is located above the plants, vertical guide rails are installed on the vertical supports of the cultivation frame, and horizontal guide rails are installed on the horizontal supports . The LED light source board per unit area is located 15cm above the plant. It moves horizontally once every 10 hours and turns off, and then turns on the lighting again after 2 hours. The moving distance is the length of one LED light source board, so that the LED light source board turns to illuminate twice the lower part Plants in the area of the LED light source board. The device is placed in a plant factory, placed in multiple layers.

Control group: the light source panel with the same area as the plant cultivation area was fixed at 15cm above the plants, and did not move, and the light intensity of the plants was kept the same as that of the treatment group.

The method of this embodiment can maximize and utilize the advantages of LED long life and energy saving. According to the needs of the light/dark period of plants, the light source board per unit area can be used to irradiate the plants twice the unit area below in turn, and only one light source board can be used. Reach the irradiation area and effect of the original two light source boards, and halve the initial investment of LED light source boards.

Taking lettuce as an example, the method of this embodiment enables the lettuce to grow normally, and its Vc, anthocyanin, and carotenoid contents are not significantly different from those in the control group. At the same time, the initial input of the light source board is 50% lower than that in the control group.

Example 3:

Treatment group: a device for cultivating plants, including LED light source boards, plants, cultivation racks for placing plants and LED light source boards, the LED light source boards are located above the plants, vertical guide rails are installed on the vertical supports of the cultivation racks, and There are horizontal rails. The LED light source board is pulled by the motor to maintain a certain height above the plant, and moves upward when the plant grows taller. In this embodiment, the control LED light source board is located 5 cm above the plants. At the same time, the LED light source board moves horizontally once every 10 hours and turns off, and then turns on the lighting again after 2 hours. The moving distance is the length of an LED light source board, so that it turns to illuminate the plants below twice the area of the light source board. The device is placed in a plant factory, placed in multiple layers.

Control group: the light source board with the same area as the plant cultivation area was fixed at 25cm above the plants, and did not move, and the light intensity of the plants was kept the same as that of the treatment group.

The method of this embodiment can maximize and utilize the advantages of the cold light source of the LED, reduce the distance between the light source board and the plants, so that when the luminous intensity of the LED is low, it can meet the needs of the plants below for illumination, and greatly save energy. . At the same time, maximize the use of the advantages of long life and energy saving of LEDs. According to the needs of the light/dark period of plants, use the light source board per unit area to irradiate the plants twice the unit area below in turn. Only one light source board can be used to achieve the original two. The irradiation area and effect of the light source board halve the initial investment of the LED light source board.

Taking lettuce as an example, the method of this embodiment enables the lettuce to grow normally, and its Vc, anthocyanin, and carotenoid contents are not significantly different from those of the control group. The initial input of the light source board is halved while the power consumption is lower than that of the control group. 47%.

The above embodiment is only to describe the preferred implementation of the utility model, not to limit the scope of the utility model. The various modifications and improvements made should fall within the scope of protection determined by the claims of the present utility model.

Claims (8)

1. A device for cultivating plants using an LED light source, comprising an LED light source board, a plant cultivation tank for cultivating plants, a cultivation frame for placing the LED light source board and the plant cultivation tank, wherein the LED light source board is located above the plant, The cultivation frame is provided with a vertical moving device for controlling the vertical movement of the LED light source board. 2. The device according to claim 1, characterized in that, the cultivation frame is also provided with a horizontal moving device for controlling the horizontal movement of the LED light source board, and the area of the horizontal movement of the LED light source board is 1/2 of the area of the LED light source board. 2-2.5 times. 3. The device according to claim 1, wherein the LED light source board is located 2-15 cm above the plants. 4. The device according to claim 3, wherein the LED light source board is located 5-10 cm above the plants. 5. The device according to claim 1, wherein the cultivation area of the plant cultivation tank is 2-2.5 times of the area of the LED light source board. 6. The device according to claim 5, characterized in that, the cultivation area of the plant cultivation tank is twice the area of the LED light source board. 7. The device according to claim 1, wherein the vertical moving device is one or more of belts, chains, steel wires, gears, pulleys, hydraulic pressure, pistons, guide rails, motors, leading screws and actuators kind. 8. The device according to claim 2, wherein the horizontal moving device is one or more of belts, chains, steel wires, gears, pulleys, hydraulic pressure, pistons, guide rails, motors, leading screws and actuators kind.

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