阅读说明：本技术 一种智能调节植物补光系统 (Intelligent regulation plant light filling system ) 是由 廖秋红 杨其长 王芳 郑胤建 许亚良 杨晓 王峥 于 2020-06-10 设计创作，主要内容包括：一种智能调节植物补光系统,涉及农业种植技术领域,所采用的技术方案包括补光装置,光照强度检测装置和控制系统。本发明中补光灯的高度和位置可以分别通过伸缩杆和移动底座来灵活调整,在植物的生长过程中,可以根据植物株高的变化来调整补光灯的高度,光源距离植物始终保持10cm左右的距离,此时光能利用率最高；通过线性运动模组和第二距离传感器的配合,光量子传感器可一直保持在离植物小于6cm的距离,在此距离上检测到的光照强度值更贴近植物真实受到的光照强度,为补光灯的控制提供了更准确的依据；补光灯可通过转动来调节照射角度,为株高较高的植物提供了更为均匀的光照条件,提高植物下半部分叶片的光合作用速率。(The utility model provides an intelligent regulation plant light filling system, relates to farming technical field, and the technical scheme who adopts includes light filling device, illumination intensity detection device and control system. The height and the position of the light supplement lamp can be flexibly adjusted through the telescopic rod and the movable base respectively, the height of the light supplement lamp can be adjusted according to the change of the plant height in the growth process of plants, the light source is always kept at a distance of about 10cm from the plants, and the light energy utilization rate is highest at the moment; through the matching of the linear motion module and the second distance sensor, the light quantum sensor can be always kept at a distance smaller than 6cm from the plant, the illumination intensity value detected at the distance is closer to the illumination intensity actually received by the plant, and a more accurate basis is provided for the control of the light supplement lamp; the light filling lamp accessible rotates and adjusts the angle of illumination, provides more even illumination condition for the higher plant of plant height, improves the photosynthesis speed of the blade of plant the latter half.)

1. The utility model provides an intelligent regulation plant light filling system, includes light filling device (1), illumination intensity detection device (2) and control system, its characterized in that:

the light supplementing device (1) comprises a moving base (11), a telescopic rod (12) is arranged on the moving base (11), a rotary lamp holder (13) capable of automatically adjusting the irradiation direction is arranged at the top of the telescopic rod (12), a plurality of light supplementing lamps (131) are arranged on the rotary lamp holder (13), and an execution module is arranged on each light supplementing lamp (131); the rotary lamp holder (13) is also provided with a first distance sensor for detecting the distance between the light supplement lamp (131) and the surface of the plant;

the illumination intensity detection device (2) comprises a linear motion module (21), and a detachable base (22) is arranged at the bottom of the linear motion module (21); the linear motion module (21) comprises a sliding table (211), a bracket (212) is arranged on the sliding table (211), a second distance sensor (213) is arranged on one side, facing the detachable base (22), of the bracket (212), and a light quantum sensor (214) is arranged on one side, away from the detachable base (22), of the bracket (212);

the control system comprises a light supplement database, an adjusting module and an interactive interface, wherein the adjusting module is in signal connection with the light supplement database and the interactive interface;

the light supplementing device (1), the illumination intensity detection device (2) and the control system are all provided with communication modules.

2. The intelligent regulation plant light supplementing system of claim 1, wherein: the detection wavelength range of the light quantum sensor (214) comprises 610-720 nm of red orange light, 400-510 nm of blue-violet light, 720-1100 nm of infrared light and 280-400 nm of ultraviolet light.

3. The intelligent regulation plant light supplementing system of claim 1, wherein: the rotary lamp holder (13) comprises a hollow support piece (132), the support piece (132) is rotatably connected with a rotary main shaft (133), and a first power device capable of driving the rotary main shaft (133) to rotate along the axial direction of the rotary main shaft is arranged in the support piece (132); the rotating main shaft (133) is provided with a plurality of lamp shells (134), and the light supplement lamp (131) is arranged in each lamp shell (134).

4. The intelligent regulation plant light supplementing system of claim 3, wherein: limiting blocks (1311) are arranged on two sides of the light supplement lamp (131), a first sliding groove (1341) is arranged at the bottom of the lamp shell (134), and the light supplement lamp (131) is clamped in the first sliding groove (1341) through the limiting blocks (1311); a first compression spring (1342) is arranged at one end of the first chute (1341) facing the rotating main shaft (133); the side wall of the limiting block (1311) is provided with a mounting groove (1312), a wedge-shaped clamp (1313) is connected to the mounting groove (1312) through a second compression spring, a clamping groove (1343) used for clamping the clamp (1313) is formed in the first sliding groove (1341), and a press pin (1344) is arranged in the clamping groove (1343).

5. The intelligent regulation plant light supplementing system of claim 4, wherein: an electrical interface is further arranged at one end, facing the rotating main shaft (133), of the first sliding groove (1341), an electrical connector (1314) is arranged at one end of the light supplement lamp (131), and the electrical connector (1314) can be clamped in the electrical interface to enable the light supplement lamp to be electrified.

6. The intelligent regulation plant light supplementing system of claim 3, wherein: a sleeve (1345) is arranged at one end, facing the rotating main shaft (133), of the lamp shell (134), and the sleeve (1345) is sleeved on the rotating main shaft (133); the sleeve (1345) is further provided with a fastening clamping groove, and the fastening clamping groove is in threaded connection with a fastening piece (1346).

7. The intelligent regulation plant light supplementing system of claim 6, wherein: and two sides of the lamp shell (134) facing one end of the rotating main shaft (133) are provided with electrifying interfaces (1347).

8. The intelligent regulation plant light supplementing system of claim 1, wherein: the linear motion module (21) comprises a bottom plate (215), a screw rod (216) and a second power device (217) capable of driving the screw rod (216) to rotate, and the sliding table (211) is in threaded connection with the screw rod (216); the base plate (215) is provided with a second sliding groove, the sliding table (211) faces one side of the base plate (2) and is provided with a guide block, and the guide block is connected with the second sliding groove in a sliding mode.

9. The intelligent regulation plant light supplementing system of claim 1, wherein: the detachable base (22) is provided with a bolt (221) or a clamp (222), and the clamp (222) is a G-shaped clamp or a hand-tiger clamp.

Technical Field

The invention relates to the technical field of agricultural planting, in particular to an intelligent adjusting plant light supplementing system.

Background

The illumination has a close relationship with the growth of the crops. The method captures the light energy to the maximum extent, fully exerts the potential of plant photosynthesis and is directly related to the benefit of agricultural production. In recent years, due to the promotion of market demands, greenhouse greenhouses are generally adopted to produce out-of-season flowers, melons, fruits, vegetables and the like, and because the sunshine time is short in two seasons of winter and spring, crops grow slowly, the yield is low, and light supplement is needed. Due to the fact that plant heights of different plants and different periods of the plants in the growth process, such as a germination period, a growth period, a flowering period and a fruiting period, change constantly, and required light quality and light intensity are different. However, the existing plant light supplement lamp is generally a point light source, the light intensity is inversely proportional to the square of the distance, and the existing plant light supplement lamp is fixedly arranged above a ceiling, so that firstly, the height and the illumination intensity cannot be adjusted according to different growth stages of plants; and secondly, for plants with higher plant heights such as cucumbers and tomatoes, the lower leaves are easily shielded by the upper leaves, so that the problems of high illumination intensity at the upper part, low illumination intensity at the lower part and uneven light receiving of the whole plant exist, and the photosynthesis speed of the lower half part of the plant is low, so that the yield and the quality of the plant are influenced.

Disclosure of Invention

The invention provides an intelligent plant light supplement adjusting system, aiming at the problems that in the prior art, a light supplement lamp is fixed in position, the illumination intensity cannot be adjusted along with the change of the plant growth period, and the plant with a high plant height receives light unevenly.

The invention provides the following technical scheme: an intelligent adjusting plant light supplementing system comprises a light supplementing device, a light intensity detection device and a control system, wherein the light supplementing device comprises a moving base, a telescopic rod is arranged on the moving base, a rotary lamp holder capable of automatically adjusting the irradiation direction is arranged at the top of the telescopic rod, a plurality of light supplementing lamps are arranged on the rotary lamp holder, and each light supplementing lamp is provided with an execution module; the rotary lamp holder is also provided with a first distance sensor for detecting the distance between the light supplementing lamp and the surface of the plant; the illumination intensity detection device comprises a linear motion module, and a detachable base is arranged at the bottom of the linear motion module; the linear motion module comprises a sliding table, a support is arranged on the sliding table, a second distance sensor is arranged on one side, facing the detachable base, of the support, and a light quantum sensor is arranged on one side, away from the detachable base, of the support; the control system comprises a light supplement database, an adjusting module and an interactive interface, wherein the adjusting module is in signal connection with the light supplement database and the interactive interface; the light supplementing device, the illumination intensity detection device and the control system are all provided with communication modules.

Preferably, the detection wavelength range of the optical quantum sensor comprises 610-720 nm of red orange light, 400-510 nm of blue-violet light, 720-1100 nm of infrared light and 280-400 nm of ultraviolet light.

As a specific implementation manner, the rotary lamp holder comprises a hollow support piece, the support piece is rotatably connected with a rotary spindle, and a first power device capable of driving the rotary spindle to rotate along the axial direction of the rotary spindle is arranged in the support piece; the rotating main shaft is provided with a plurality of lamp shells, and the light supplement lamp is arranged in each lamp shell.

Preferably, limiting blocks are arranged on two sides of the light supplement lamp, a first sliding groove is formed in the bottom of the lamp shell, and the light supplement lamp is clamped in the first sliding groove through the limiting blocks; one end of the first sliding chute facing the rotating main shaft is provided with a first compression spring; the limiting block is characterized in that a mounting groove is formed in the side wall of the limiting block, a wedge-shaped clamp is connected to the mounting groove through a second compression spring, a clamping groove used for clamping the clamp is formed in the first sliding groove, and a press pin is arranged in the clamping groove.

Preferably, an electrical interface is further disposed at one end of the first sliding chute facing the rotating main shaft, an electrical connector is disposed at one end of the light supplement lamp, and the electrical connector can be clamped in the electrical interface to enable the light supplement lamp to be powered on.

Preferably, a sleeve is arranged at one end of the lamp housing facing the rotating main shaft, and the sleeve is sleeved on the rotating main shaft; the sleeve is further provided with a fastening clamping groove, and the fastening clamping groove is in threaded connection with a fastening piece.

Preferably, both sides of the lamp housing facing one end of the rotating main shaft are provided with an electrifying interface.

As a specific implementation manner, the linear motion module comprises a bottom plate, a screw rod and a second power device capable of driving the screw rod to rotate, and the sliding table is in threaded connection with the screw rod; the bottom plate is provided with a second sliding groove, the sliding table faces one side of the bottom plate and is provided with a guide block, and the guide block is connected with the second sliding groove in a sliding mode.

Preferably, the detachable base is provided with a bolt or a clamp, and the clamp is a G-shaped clamp or a hand-tiger clamp.

The invention has the beneficial effects that: 1. the height and the position of the light supplement lamp can be flexibly adjusted through the telescopic rod and the movable base respectively, in the growing process of plants, the height of the light supplement lamp can be adjusted according to the change of the plant height of the plants, so that the light supplement lamp always keeps a distance of about 10cm from the plants, and the light energy utilization rate of the plants is highest at the distance; 2. through the matching of the linear motion module and the second distance sensor, the light quantum sensor can be always kept at a distance smaller than 6cm from the plant, and the detected illumination intensity value is closer to the actual illumination intensity received by the plant, so that the control of greenhouse plant planting is more refined; 3. the light supplement lamp can adjust the irradiation angle through rotation, so that more uniform illumination conditions are provided for plants with higher plant heights, the photosynthesis speed of the lower half leaves of the plants is increased, and the yield is increased; 4. the light supplement lamp and the lamp shell are easy to replace and disassemble, and maintenance is convenient; the number and the density of the light supplement lamps and the light supplement devices can be flexibly combined, and the application range is wider.

Drawings

Fig. 1 is a three-dimensional schematic view of a light supplement device according to an embodiment of the present invention.

Fig. 2 is an enlarged view of a portion a of fig. 1.

Fig. 3 is a cross-sectional view of an embodiment of a lamp housing and a fill light of the present invention.

Fig. 4 is an enlarged view of a portion B of fig. 3.

FIG. 5 is a three-dimensional schematic view of an embodiment of an illumination intensity detection apparatus according to the present invention.

FIG. 6 is a three-dimensional schematic view of another embodiment of the illumination intensity detection apparatus according to the present invention.

Reference numerals: 1-a light supplementing device, 11-a movable base, 12-a telescopic rod, 13-a rotary lamp holder, 131-a light supplementing lamp, 1311-a limiting block, 1312-a mounting groove, 1313-a clip, 1314-an electric connector, 132-a supporting piece, 133-a rotary main shaft, 134-a lamp housing, 1341-a first chute, 1342-a first compression spring, 1343-a clamping groove, 1344-a press pin, 1345-a sleeve, 1346-a fastener, 1347-a power-on interface, 2-a light intensity detection device, 21-a linear motion module, 211-a sliding table, 212-a bracket, 213-a second distance sensor, 214-a light quantum sensor, 215-a bottom plate, 216-a screw rod, 217-a second power device, 22-a detachable base and 221-a bolt, 222-clamp.

Detailed Description

The embodiments of the present invention will be described in more detail with reference to the accompanying drawings and reference numerals, so that those skilled in the art can implement the embodiments of the present invention after studying the specification. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The invention provides an intelligent adjusting plant light supplementing system as shown in figure 1, which comprises a light supplementing device 1, an illumination intensity detection device 2 and a control system; the light supplementing device 1 comprises a moving base 11, a telescopic rod 12 is arranged on the moving base 11, a rotary lamp holder 13 capable of automatically adjusting the irradiation direction is arranged at the top of the telescopic rod 12, a plurality of light supplementing lamps 131 are arranged on the rotary lamp holder 13, and the light supplementing lamps 131 are provided with execution modules; the rotary lamp bracket 13 is further provided with a first distance sensor for detecting the distance between the light supplement lamp 131 and the surface of the plant; the illumination intensity detection device 2 comprises a linear motion module 21, and a detachable base 22 is arranged at the bottom of the linear motion module 21; the linear motion module 21 comprises a sliding table 211, a bracket 212 is arranged on the sliding table 211, a second distance sensor 213 is arranged on one side, facing the detachable base 22, of the bracket 212, and a light quantum sensor 214 is arranged on one side, facing away from the detachable base 22, of the bracket 212; the control system comprises a light supplement database, an adjusting module and an interactive interface, wherein the adjusting module is in signal connection with the light supplement database and the interactive interface; the light supplementing device 1, the illumination intensity detection device 2 and the control system are all provided with communication modules.

The light supplementing device is a specific executing device for supplementing light to plants, can receive a control signal through the communication module, and automatically adjusts the position, height and illumination angle of the light supplementing lamp so as to adapt to different varieties and plant heights of the plants at different growth stages. The movable base can select a movable bracket powered by a driving motor and is used for flexibly adjusting the position of the light supplementing device; the telescopic rod can be a JINGE-16010 type three-section telescopic lifting column, the height can be 990-2100 cm, most greenhouse plants can be adapted to, and the telescopic rod can be extended or shortened by receiving a control signal; the first distance sensor can be selected from an HC-SR04 ultrasonic ranging sensor and is used for detecting the linear distance between the light supplement lamp and the plant, the actual distance is sent to the adjusting module through the communication module and is compared with a preset distance value in the adjusting module, the telescopic rod or the movable base is controlled according to the difference value between the actual distance and the preset distance, finally, the distance between the light supplement lamp and the plant is kept about 10cm all the time, and the light energy utilization rate of the plant is highest at the distance; the first distance sensor can also adjust the detection range along with the change of the irradiation direction of the light supplement lamp. Rotatory lighting fixture length can be 800~1600cm, can evenly set up multiunit light filling lamp. The light supplement lamp can be an LED light supplement lamp and comprises a red primary color LED module, a blue primary color LED module, a white LED module, an infrared LED module and an ultraviolet LED module, wherein the five modules can be sequentially arranged in a fixed sequence or replaced as required; each LED module is provided with an execution module, such as a PWM signal output module, for controlling the illumination intensity. The communication module of light filling device can select the CC2538 chip based on current ZIGBEE wireless technology, has the advantage of low-power consumption low cost with remove base, telescopic link, rotatory lighting fixture, first distance sensor signal connection.

The illumination intensity detection device is used for detecting the illumination intensity received by the plant, and particularly can detect the illumination intensity of red light, blue light, infrared rays and ultraviolet rays. The light quantum sensor can be selected from an SQ-620 type light quantum meter, is a key component for detecting the illumination intensity, and the detection surface of the light quantum sensor needs to face the light supplement lamp all the time. According to the existing theory that the illumination intensity is in inverse proportion to the square of the distance from the monitoring point to the light source, the illumination intensities measured on different reference surfaces are different, so that the illumination intensity actually received by the plant can be detected only by enabling the light quantum sensor to be close to the surface of the plant within 6 cm. Along with plant growth, the plant height constantly changes, and under the cooperation of second distance sensor and linear motion module, light quantum sensor can keep the best detection distance with the plant all the time to obtain more accurate data, provide the basis for the illumination intensity of adjustment light filling lamp. The second distance sensor can be an HC-SR04 ultrasonic distance measuring sensor, the lowest measuring distance is 2cm, and the second distance sensor is used for measuring the distance between the light quantum sensor and the plants; the linear motion module can select an FSL80 linear module, and automatically adjusts the distance between the light quantum sensor and the plant according to the distance information measured by the second distance sensor; the sliding table and the support can be made of aluminum alloy and are used for supporting the light quantum sensor and the second distance sensor. Removable base is used for fixed illumination intensity detection device, can select suitable instrument in a flexible way to actual conditions, with linear motion module releasable connection, is convenient for change. The illumination intensity detection device is also provided with a communication module, a selectable CC2538 chip with a transceiving function, a light quantum sensor, a second distance sensor and a linear motion module which are in signal connection, and the illumination intensity detection device is used for sending distance information and illumination intensity information to a control system and transmitting adjusting signals sent by the control system to the linear motion module.

The adjusting module of the control system can select an EPM7128S CPLD chip, the communication module can select a CC2538 chip as a gateway chip, and the communication module can receive and transmit wireless signals and download data from the Internet; the light supplement database comprises information such as optimal light quality, illumination intensity and light period required by growth of different plant species at different growth stages, and can be stored in a memory of the CPLD chip to be used as a preset reference value; the interactive interface can be a display screen and is provided with input equipment such as a keyboard and the like so as to display information such as current illumination intensity, light quality and the like, and manual control can be performed.

When the light supplement system works, firstly, according to the type and the growth stage of plants, a corresponding light recipe containing information such as illumination intensity, light quality combination and light period is selected from a light supplement database and is used as a preset standard value. The illumination intensity detection module enables the light quantum sensor to be always close to the surface of the plant within 6cm, collects illumination intensity information actually received by the plant, specifically the illumination intensity of red, blue and white light, infrared rays and ultraviolet rays, and sends the illumination intensity information to the adjusting module of the control system through the communication module. The adjusting module compares the current illumination intensity information with a standard value in a light supplement database, judges the light rays with various wavelengths which need not be supplemented and the quantity of the light rays which need to be supplemented according to the difference value of the current illumination intensity information and the standard value, sends the result to the executing device of each light supplement lamp, and converts the result into a PWM duty ratio signal to output the PWM duty ratio signal to the light supplement lamp to realize the dimming control of the light supplement device. Simultaneously, through removing base, telescopic link, rotatory lighting fixture and first distance sensor, can adjust irradiation angle and irradiation distance to the plant height of the different types of plant and different growth stages, make the distance between light filling lamp and the plant keep about 10cm, at this distance, the light energy utilization ratio of plant is the highest.

In one embodiment, the light is supplemented to the low plants such as the lettuce and the like, and the rotary lamp holder can be parallel to the ground; the illumination intensity detection device is inserted in the middle of the plant, and the light quantum sensor is kept at a distance of 6cm from the surface of the plant by using the second distance sensor and the linear motion module; along with the increase of the plant height, the light quantum sensor moves upwards, the rotary lamp holder also moves upwards for a corresponding distance, the distance between the light supplementing lamp and the plant is unchanged, and the distance is always kept about 10cm so as to obtain the highest light energy utilization rate.

Preferably, the detection wavelength range of the optical quantum sensor 214 includes 610-720 nm of red orange light, 400-510 nm of blue-violet light, 720-1100 nm of infrared light and 280-400 nm of ultraviolet light.

In the spectrum related to the photosynthesis of plants, red orange light with the wavelength of 610-720 nm and blue-violet light with the wavelength of 400-510 nm have the greatest influence on the photosynthesis; the infrared light with the wavelength of 720-1100 nm plays an important role in photoperiod and seed formation, and controls flowering and fruit color; the long ultraviolet light with the wavelength of 320-400 nm has a stimulating effect on the growth of plants, can increase the crop yield and promote the formation of proteins, sugars and acids; the short ultraviolet light with the wavelength of 280-320 nm has the effects of disinfection and sterilization, and can reduce plant diseases. Therefore, the detection of the illumination intensity of the light with the wavelength has positive significance for light supplement control, and the light supplement control corresponds to the LED modules with different primary colors respectively. An SQ-620 type optical quantum meter can be used for detecting the illumination intensity of light rays with the wavelengths of 400-510 nm, 610-720 nm and 720-1100 nm, and an NVUV11B type ultraviolet sensor can be used for detecting the illumination intensity of ultraviolet light with the wavelengths of 280-400 nm.

As a specific embodiment, the rotary lamp holder 13 includes a hollow supporting member 132, the supporting member 132 is rotatably connected with a rotary spindle 133, and a first power device capable of driving the rotary spindle 133 to rotate along its axial direction is disposed in the supporting member 132; a plurality of lamp housings 134 are arranged on the rotating main shaft 133, and the light supplement lamp 131 is arranged in each lamp housing 134.

As shown in fig. 1, the rotating spindle is rotatably connected to the supporting member and can rotate 360 degrees under the driving of the first power device to adjust the illumination angle, thereby achieving the effect of uniform light compensation. The lighting directions of the rotary lamp bracket are mainly two, one is that the rotary lamp bracket is parallel to the ground and the light supplementing lamp illuminates downwards aiming at the plants with short plant heights; the other is to the higher plant species of plant height, rotate rotatory main shaft and make the length direction perpendicular to ground of rotatory lighting fixture, the direction of illumination of light filling lamp is on a parallel with ground, makes the illumination intensity that the blade of plant upper and lower part was accepted unanimously. The rotating main shaft and the supporting piece can be made of aluminum alloy, so that the weight is light; the first power device can select an SA series servo motor, and the control precision is high. The lamp shell can be made of aluminum alloy or ABS plastic, and the light supplement lamp is protected.

Preferably, two sides of the light supplement lamp 131 are provided with a limiting block 1311, the bottom of the lamp housing 134 is provided with a first sliding groove 1341, and the light supplement lamp 131 is clamped in the first sliding groove 1341 through the limiting block 1311; a first compression spring 1342 is disposed at one end of the first chute 1341 facing the rotating main shaft 133; the side wall of the limiting block 1311 is provided with a mounting groove 1312, the mounting groove 1312 is connected with a wedge-shaped clip 1313 through a second compression spring, the first sliding groove 1341 is provided with a clamping groove 1343 for clamping the clip 1313, and the clamping groove 1343 is internally provided with a press pin 1344.

The limiting block, the clamp and the press pin can be made of ABS plastics, and the first compression spring and the second compression spring can be made of 65Mn spring steel. As shown in fig. 3 and 4, the light supplement lamp is connected with the lamp shell in a sliding mode and clamped in the first sliding groove through the limiting block, so that the light supplement lamp is convenient to detach and replace and easy to maintain. In order to increase the stability of light filling lamp in the lamps and lanterns shell, be provided with wedge checkpost and draw-in groove, when the light filling lamp was inserted the lamps and lanterns shell completely, compress first compression spring, the checkpost is gone into in the draw-in groove under second compression spring's effect, the displacement of restriction light filling lamp. According to the push pin, with the ejecting draw-in groove of checkpost, the light filling lamp pops out the lamps and lanterns shell under first compression spring's bounce-back effect, makes things convenient for the change and the adjustment of the different modules of light filling lamp.

Preferably, an electrical interface is further disposed at an end of the first sliding slot 1341 facing the rotating main shaft 133, an electrical connector 1314 is disposed at an end of the fill light 131, and the electrical connector 1314 can be clamped in the electrical interface to energize the fill light.

From the viewpoint of electrical connection, the fill light and the lamp housing are electrically connected in a mode of a DC connector and an interface for easy installation and removal.

Preferably, a sleeve 1345 is disposed at one end of the lamp housing 134 facing the rotating main shaft 133, and the sleeve 1345 is sleeved on the rotating main shaft 133; the sleeve 1345 is further provided with a fastening slot, and the fastening slot is in threaded connection with a fastening piece 1346.

As shown in fig. 2, the lamp housing is detachably connected with the rotating spindle through the sleeve, so that the number of the light supplement lamps can be adjusted more flexibly; the fastener may be a bolt that secures the sleeve to the rotating spindle. The sleeve and the fastener can be made of aluminum alloy or ABS plastic.

Preferably, the two sides of the lamp housing 134 facing one end of the rotating main shaft 133 are both provided with an energizing interface 1347.

The electrifying interface can connect a plurality of light supplement lamps in series or in parallel, and the electrical connection among the light supplement lamps with different numbers is more convenient. The powered-on interface may select a DC interface.

As a specific embodiment, the linear motion module 21 includes a bottom plate 215, a screw 216, and a second power device 217 capable of driving the screw 216 to rotate, and the sliding table 211 is in threaded connection with the screw 216; the bottom plate 215 is provided with a second sliding groove, the sliding table 211 faces one side of the bottom plate 2 and is provided with a guide block, and the guide block is connected with the second sliding groove in a sliding mode.

As shown in fig. 5 and 6, the linear motion module can drive the screw rod to rotate through the second power device, then drive the sliding table to move up and down, and the guide table can prevent the sliding table from rotating and guide the sliding table to perform linear motion. The second power device can be an SA series servo motor, the control precision is high, the screw rod can be made of stainless steel, the sliding table and the guide block can be made of aluminum alloy,

preferably, the detachable base 22 is provided with a plug 221 or a clamp 222, and the clamp 222 is a G-shaped clamp or a hand-tiger clamp.

As shown in fig. 5 and 6, the detachable base is used to fix the illumination intensity detection apparatus in place. For plants with short plant heights, the bolts can be selected to be arranged and directly fixed on the ground; for plants with higher plant heights, the plant climbing frame can be fixed by using the clamp, so that the detection surface of the light quantum sensor is always perpendicular to the irradiation direction of the light supplement lamp.

The above is a description of one embodiment of the present invention in more detail and detail, but it should not be understood that the scope of the invention is limited thereby. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the spirit of the invention, which falls within the scope of the invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.