A plant LED lighting system

Abstract

The application discloses a plant LED lighting system, comprising: a plurality of groups of light sources, each group of the light sources comprising a plurality of LED light source components; and a constant current power supply, the length of the power supply line of the constant current power supply to each of the LED light source components in the same group of the light sources being consistent; the length of the power supply line of the constant current power supply to each of the LED light source components in the same group of the light sources being consistent, that is, the distance of the constant current power supply output to each of the LED light source components in the same group of the light sources being consistent, balancing the line loss of each output power supply line, achieving the balance of the output current of each of the LED light source components in the same group of the light sources, realizing the consistency of the light intensity of a single group of the light sources, and the consistency of the uniformity of the light illumination in the area.

Description

Technical Field

[0001] This invention relates to the field of plant lighting technology, and more particularly to a plant LED lighting system. Background Technology

[0002] In greenhouse cultivation, LED lights are typically installed to provide the necessary optical conditions for plant growth. Utilizing the principles of sunlight, these lights replace direct sunlight to provide the necessary environment for plant growth and development. With the continuous development of LED plant lighting, increasingly sophisticated operations and precise planting parameters are being implemented. This necessitates finer details regarding LED light intensity and illumination duration, placing ever-higher demands on the lighting accuracy of each layer in dense vertical planting.

[0003] Chinese Patent No. CN216693294U discloses a plant LED lighting control system, comprising: a first longitudinal support, a second longitudinal support, several horizontal support groups, LED lighting poles, enhanced lighting bulbs, a switch group, and a controller. The first and second longitudinal supports are fixedly installed on both sides of each row of plants. The several horizontal support groups are installed vertically between the first and second longitudinal supports, with plants placed between adjacent horizontal support groups. Each horizontal support group consists of two parallel horizontal bars, one of which has the LED lighting pole fixedly installed, and the other horizontal bar has several enhanced lighting bulbs slidably installed. The LED lighting pole and the several enhanced lighting bulbs are respectively connected to the controller through the switch group.

[0004] In general, the same type of plant is planted in each row. Because conductors (power lines) have inherent resistance, they can transmit current but also impede its flow. To overcome this resistance, the current consumes some energy; this energy loss is called line loss. Line loss causes differences in the brightness of LED lights, and even plants of the same type may have different light conditions and growth rates. Summary of the Invention

[0005] Therefore, there is a need to provide a plant LED lighting system to solve the problems of inconsistent LED brightness caused by line loss, and inconsistent light conditions and growth rates of the same type of plants.

[0006] To achieve the above objectives, the present invention provides a plant LED lighting system, comprising:

[0007] Multiple light sources, each group comprising multiple LED light source components; and

[0008] A constant current power supply, wherein the power lines from the constant current power supply to each of the LED light source components in the same group of light sources are of the same length.

[0009] Furthermore, the constant current power supply is connected to the LED light source assembly through a power line. The power line includes a first power line and a second power line. The first power line includes a main power line and multiple branch power lines. Each LED light source assembly in each group of light sources is connected to the main power line through one of the branch power lines. The main power line is connected to the constant current power supply through the second power line.

[0010] In the first power line, each branch power line has a different length. The shorter branch power line is connected to the main power line at a first fulcrum, and the longer branch power line is connected to the main power line at a second fulcrum. The sum of the length of the shorter branch power line and the length from the first fulcrum to the second fulcrum is equal to the length of the longer branch power line.

[0011] Furthermore, the length of the second power line connected to each group of light sources and the constant current power supply is the same.

[0012] Furthermore, the second power line is composed of multiple cable segments connected by quick-connect terminals.

[0013] Furthermore, it also includes:

[0014] The cultivation rack has multiple cultivation layers, and each cultivation layer is equipped with a set of light sources above it.

[0015] Furthermore, the plurality of LED light source components in each group of light sources are arranged in a horizontal direction.

[0016] Furthermore, the spacing between two adjacent cultivation layers is the same.

[0017] Furthermore, the power lines from the constant current power supply to each of the LED light source components in each group of light sources are of the same length.

[0018] Furthermore, the constant current power supply is a dimming constant current power supply.

[0019] Furthermore, the number of LED light source components is the same in each group of light sources.

[0020] The above technical solution has the following beneficial effects:

[0021] The power lines from the constant current power supply to each LED light source component in the same group of light sources are of the same length, meaning the distance from the constant current power supply output to each LED light source component in the same group of light sources is consistent. This balances the line loss of each output power line, achieving a balance in the output current of each LED light source component in the same group of light sources, and realizing consistent light intensity of a single group of light sources, as well as consistent illumination uniformity within the layer. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the plant LED lighting system in this embodiment;

[0023] Figure 2 This is a schematic diagram showing the structure in this embodiment where the power lines from the constant current power supply to each LED light source component in each group of light sources have the same length.

[0024] Explanation of reference numerals in the attached figures:

[0025] 1. Light source;

[0026] 11. LED light source assembly;

[0027] 111. First LED light source assembly; 112. Second LED light source assembly;

[0028] 113. Third LED light source assembly; 114. Fourth LED light source assembly;

[0029] 115. Fifth LED light source assembly;

[0030] 2. Constant current power supply;

[0031] 3. Power supply line;

[0032] 31. First power supply line;

[0033] 311. Main power supply line;

[0034] 312. Branch power supply line;

[0035] 3121. Branch power line one; 3122. Branch power line two;

[0036] 3123, Branch power line three; 3124, Branch power line four;

[0037] 3125. Branch power supply line five;

[0038] 313. The first fulcrum; 314. The second fulcrum;

[0039] 32. Second power supply line;

[0040] 33. Quick-connect terminal. Detailed Implementation

[0041] To explain in detail the technical content, structural features, objectives, and effects of the technical solution, the following description is provided in conjunction with specific embodiments and accompanying drawings.

[0042] Please see Figure 1 This embodiment provides a plant LED lighting system, including:

[0043] Multiple light sources 1, each light source 1 including multiple LED light source components 11; and

[0044] The power supply 2 has a constant current power supply, and the power lines from the constant current power supply 2 to each LED light source assembly 11 in the same group of light sources 1 are of the same length.

[0045] LED light sources (LED stands for Light Emitting Diode) are light-emitting diodes that emit light when powered on. LED light sources have advantages such as small size, long lifespan, and high efficiency. The LED light source assembly 11 includes several LED beads, which can efficiently convert electrical energy into light energy. The number of light sources depends on actual needs and can be 2, 3, 4, 5, etc., and the number of LED light source assemblies 11 in each light source assembly also depends on actual needs and can be 2, 3, 4, 5, etc.

[0046] The constant current power supply 2 is a voltage converter that converts the power supply into a specific voltage and current to drive the LED to emit light. In essence, it uses the device to provide feedback on the current and dynamically adjust the power supply state of the device, so that the current tends to be constant.

[0047] The above technical solution has the following beneficial effects:

[0048] The power lines from the constant current power supply to each LED light source component in the same group of light sources are of the same length, meaning the distance from the constant current power supply output to each LED light source component in the same group of light sources is consistent. This balances the line loss of each output power line, achieving a balance in the output current of each LED light source component in the same group of light sources, and realizing consistent light intensity of a single group of light sources, as well as consistent illumination uniformity within the layer.

[0049] Please see Figure 1In this embodiment, the constant current power supply 2 is connected to the LED light source assembly 11 through the power line 3. The power line 3 includes a first power line 31 and a second power line 32. The first power line 31 includes a main power line 311 and multiple branch power lines 312. Each LED light source assembly 11 in each group of light sources 1 is connected to the main power line 311 through a branch power line 312. The main power line 311 is connected to the constant current power supply 2 through the second power line 32. The constant current power supply 2, the second power line 32, the main power line 311 and the branch power lines 312 can form a circuit, which can enable the LED light source assembly 11 to operate.

[0050] In the first power line 31, each branch power line 312 has a different length. The shorter branch power line 312 is connected to the main power line 311 at the first fulcrum, and the longer branch power line 312 is connected to the main power line 311 at the second fulcrum. The sum of the length of the shorter branch power line and the length from the first fulcrum to the second fulcrum is equal to the length of the longer branch power line.

[0051] Figure 2 A light source 1 is shown, comprising five LED light source components 11. A first power line 31 has five branch power lines. The five LED light source components 11 are designated as first LED light source component 111, second LED light source component 112, third LED light source component 113, fourth LED light source component 114, and fifth LED light source component 115. The five LED light source components are arranged in a straight line and tilted from left to right, i.e., the first LED light source component 111, second LED light source component 112, third LED light source component 113, fourth LED light source component 114, and fifth LED light source component 115 are positioned in a straight line. Figure 2 The height increases progressively. The five branch power lines 312 are branch power line one 3121, branch power line two 3122, branch power line three 3123, branch power line four 3124, and branch power line five 3125. Branch power line one 3121 connects to the first LED light source component 111, branch power line two 3122 connects to the second LED light source component 112, branch power line three 3123 connects to the third LED light source component 113, branch power line four 3124 connects to the fourth LED light source component 114, and branch power line five 3125 connects to the fifth LED light source component 115. The main power line 311... Figure 2 In the middle horizontal setting, the lengths of branch power lines 1 (3121), 2 (3122), 3 (3123), 4 (3124), and 5 (3125) increase progressively.

[0052] Continue reading Figure 2Taking the fourth LED light source component 114 and the fifth LED light source component 115 as examples, the power lines from the constant current power supply 2 to each LED light source component 11 in the same group of light sources are of the same length: branch power line four 3124 is a shorter branch power line, branch power line five 3125 is a longer branch power line, the fulcrum of branch power line four 3124 and the main power line 311 is the first fulcrum 313, and the fulcrum of branch power line five 3125 and the main power line 311 is the second fulcrum 314. The length of branch power line four 3124 (in...) Figure 2 (denoted as a) and the length from the first fulcrum 313 to the second fulcrum 314 (in) Figure 2 The sum of (b) is equal to the length of branch power line 5 (3125). Figure 2 Let c be the denoted value, i.e., a + b = c.

[0053] Please see Figure 2 In a further embodiment, the length of the second power line 32 connected to each group of light sources 1 and constant current power supply 2 is consistent. Thus, the length of the power line from constant current power supply 2 to each LED light source component 11 in each group of light sources 1 is consistent, that is, the distance from the output of constant current power supply 2 to each LED light source component 11 is consistent. This balances the line loss of each output power line, achieves the balance of the output current of each LED light source component 11, realizes the consistency of the light intensity of each group of light sources 1 (PPF error between individual LED light source components 11 < 5%), and the consistency of the uniformity of illumination in the layer area.

[0054] Please see Figure 1 and Figure 2 In this embodiment, the second power line 32 is composed of multiple cable segments connected by quick-connect terminals 33. The first power lines 31 are connected to each other via quick-connect terminals 33, and the first power line 31 is also connected to the LED light source assembly 11 via quick-connect terminals 33. This allows for easy adjustment of the power lines according to the actual placement space. Similarly, the first power line 31 (main power line 311 and branch power lines) is also composed of multiple cable segments connected by quick-connect terminals 33.

[0055] In this embodiment, the plant LED lighting system also includes a cultivation rack with multiple cultivation layers, and a set of light sources 1 is provided above each cultivation layer. Generally, in plant cultivation, the plant species in each row are the same, so the cultivated plants are illuminated by multiple LED light source components 11 of the same set of light sources 1. The LED light source components 11 simulate the principle that plants need sunlight for photosynthesis, providing supplemental lighting to the plants and assisting their growth.

[0056] Please see Figure 1In this embodiment, multiple LED light source components 11 in each group of light sources 1 are arranged in a horizontal direction, and multiple LED light source components 11 in each group of light sources 1 can be hung at the bottom of the upper cultivation layer to provide supplemental lighting for the plants on the lower cultivation layer.

[0057] In this embodiment, the spacing between adjacent cultivation layers may be the same or different. The appropriate length of the second power line 32 cable can be selected based on the layer spacing to ensure that the distance from the constant current power supply 2 to the main power line 311 of each group of light sources 1 is consistent, thus balancing the line loss of each path.

[0058] Please refer to Figure 1 In this embodiment, the constant current power supply 2 is a dimming constant current power supply 2. The DIM of the dimming constant current power supply 2 is 0-10V, which provides a change in the analog voltage signal of 0-10V, thereby changing the brightness of the light. Generally, this dimming curve is linear.

[0059] In this embodiment, the constant current power supply 2 is located on one side of the planting layer, for example, the constant current power supply 2 can be placed under the planting rack.

[0060] In this embodiment, preferably, the number of LED light source components 11 in each group of light sources 1 is the same.

[0061] This application has the following beneficial effects:

[0062] In the same light source, the first power supply line undergoes the first line compensation. The length of the power supply line from the constant current power supply to each LED light source component in the same group of light sources is consistent. That is, the distance from the constant current power supply output to each LED light source component in the same group of light sources is consistent. This balances the line loss of each output power line, achieves the balance of the output current of each LED light source component in the same group of light sources, realizes the consistency of the light intensity of a single group of light sources, and the consistency of the uniformity of illumination in the layer area.

[0063] In different light sources, the second power supply line performs a second line compensation, and the length of the power line from the constant current power supply to each LED light source component in each group of light sources is consistent, so as to achieve the balance of the output current of each LED light source component in the same group of light sources, and realize the consistency of the light intensity of each group of light sources and the consistency of the light uniformity of each planting layer area.

[0064] This application uses an integrated power supply to control the light source of each layer as a whole. Then, through power line compensation, the multi-pass line in a single planting layer is compensated for the first time to ensure that the transmission distance from the input end of the multi-pass line to each LED light source component is consistent. For each layer, a power line of varying length is added according to the layer spacing for the second time to ensure that the distance from the constant current power supply output end to each multi-pass line is consistent, so that the light intensity of each layer is evenly distributed. This can solve the problem of light intensity deviation in multi-pass planting and the problem of non-adjustable light in vertical planting.

[0065] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or terminal device that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or terminal device. Unless otherwise specified, an element defined by the phrase "comprising..." or "including..." does not exclude the presence of additional elements in the process, method, article, or terminal device that includes said element. Additionally, in this document, "greater than," "less than," "exceeding," etc., are understood to exclude the stated number; "above," "below," "within," etc., are understood to include the stated number.

[0066] Although the above embodiments have been described, those skilled in the art, once they understand the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the above descriptions are merely embodiments of the present invention and do not limit the scope of patent protection of the present invention. Any equivalent structural or procedural transformations made using the content of the present invention's specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the scope of patent protection of the present invention.

Claims

1. A plant LED lighting system, characterized in that, include: Multiple sets of light sources, each set of which includes multiple LED light source components; A constant current power supply is provided, wherein the power lines from the constant current power supply to each LED light source component in the same group of light sources are of uniform length. The constant current power supply is connected to the LED light source components via power lines, which include a first power line and a second power line. The first power line includes a main power line and multiple branch power lines. Each LED light source component in each group of light sources is connected to the main power line via one of the branch power lines. The main power line is connected to the constant current power supply via the second power line. In the first power line, each branch power line has a different length, with shorter branch power lines... The fulcrum of the main power line is designated as the first fulcrum, and the fulcrum of the longer branch power line with the main power line is designated as the second fulcrum. The sum of the length of the shorter branch power line and the length from the first fulcrum to the second fulcrum is equal to the length of the longer branch power line. The length of the second power line connected to the constant current power supply for each group of light sources is consistent. The second power line is composed of multiple cable segments connected by quick-connect terminals. The length of the power line from the constant current power supply to each LED light source component in each group of light sources is consistent. The number of LED light source components in each group of light sources is consistent. The constant current power supply is a dimming constant current power supply. The cultivation rack has multiple cultivation layers, and each cultivation layer has a set of light sources above it. The spacing between two adjacent cultivation layers is the same.

2. The plant LED lighting system according to claim 1, characterized in that, The plurality of LED light source components in each group of light sources are arranged in a horizontal direction.

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