CN112066297A

CN112066297A - Intelligent plant maintenance system

Info

Publication number: CN112066297A
Application number: CN202010921892.4A
Authority: CN
Inventors: 朱国强; 龚艳; 朱逸凡
Original assignee: Suzhou Bangrui Ecological Environment Construction Engineering Co ltd
Current assignee: Suzhou Bangrui Ecological Environment Construction Engineering Co ltd
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2020-12-11
Anticipated expiration: 2040-09-04
Also published as: CN112066297B

Abstract

The application relates to an intelligent plant maintenance system which comprises a PLC (programmable logic controller), a plurality of first illumination sensors and a plurality of light shading plates, wherein the plurality of light shading plates are respectively covered above different areas of a greening cluster; each shading plate is provided with a driving device, and the driving device is used for covering the shading plate above the greening cluster and the corresponding area thereof or moving the shading plate away from the greening cluster and the corresponding area thereof; a plurality of first calibration illumination intensities are preset in the PLC, the first calibration illumination intensities correspond to a plurality of different areas respectively, and the first bulb, the first illumination sensor and the driving device are electrically connected with the PLC. This application has the effect that improves the intelligent degree in the plant maintenance process.

Description

Intelligent plant maintenance system

Technical Field

The application relates to the field of plant maintenance, in particular to an intelligent plant maintenance system.

Background

With the increasing pursuit of healthy life, more and more streets, districts and gardens have the demand for greening. In greening, different plants are mostly planted together in different regions for the purpose of aesthetic needs. Because the plants in different areas have different requirements on illumination intensity, the plants in different areas need to be subjected to different illumination treatments after mixed greening.

However, at present, the plant cultivation is carried out with less intelligent plant maintenance work, and most plants are still maintained manually. In the process of maintaining plants, due to lack of maintenance knowledge or busy work of workers, plants in different areas cannot obtain proper illumination intensity, and further the growth of the plants is influenced.

Aiming at the related technologies, the inventor thinks that the plant is maintained only by workers, so that the intelligent degree is low and the flexibility is poor.

Disclosure of Invention

In order to improve the intelligent degree in the plant maintenance process, the application provides a plant intelligent maintenance system.

The application provides an intelligent maintenance system of plant adopts following technical scheme:

an intelligent plant maintenance system comprises a PLC (programmable logic controller), a plurality of first illumination sensors and a plurality of light shading plates, wherein the plurality of light shading plates cover different areas of a greening cluster respectively; each shading plate is provided with a driving device, and the driving device is used for covering the shading plate above the greening cluster and the corresponding area thereof or moving the shading plate away from the greening cluster and the corresponding area thereof; a plurality of first calibration illumination intensities are preset in the PLC, the first calibration illumination intensities correspond to a plurality of different areas respectively, and the first bulb, the first illumination sensor and the driving device are all electrically connected with the PLC.

Through adopting above-mentioned technical scheme, carry out illumination intensity's detection to the afforestation clump in different regions through first illumination sensor, preset a plurality of first demarcation illumination intensity in the PLC controller, a plurality of first demarcation illumination intensity correspond with different regions respectively. When the illumination intensity detected by the first illumination sensor corresponding to a certain area is higher than the corresponding first calibrated illumination intensity, the PLC controls the driving device to cover the light shielding plate above the area corresponding to the greening cluster, and controls the first bulb corresponding to the area to be turned on, so that the artificial illumination with proper intensity is provided. When the illumination intensity detected by the first illumination sensor corresponding to one of the areas is lower than the corresponding first calibrated illumination intensity, the PLC controls the driving device to move the light pricking plate away from the upper part of the area corresponding to the greening cluster and controls the first bulb corresponding to the area to be closed. Therefore, the intelligent maintenance work of the plants is realized, and the purpose of ecological construction is achieved.

Optionally, the driving device includes a driving motor, and a winding shaft is coaxially connected to a motor shaft of the driving motor; the light screen is a flexible plate, one end of the light screen is fixedly connected with the outer side wall of the winding shaft, and the driving motor is electrically connected with the PLC.

Through adopting above-mentioned technical scheme, through the setting of driving motor and winding axle, can release the light screen to hiding the afforestation cluster through driving motor's rotation, or get up the light screen rolling, and then reach the purpose of carrying out the shading according to different needs.

Optionally, each light shielding plate is provided with a guide rail, the guide rail is arranged perpendicular to the corresponding winding shaft, and one end of the guide rail is arranged close to the winding shaft; the guide rail comprises an upper guide plate and a lower guide plate, and the light shielding plates are located between the corresponding upper guide plate and the corresponding lower guide plate.

Through adopting above-mentioned technical scheme, with the light screen centre gripping between upper baffle and lower baffle, can improve the stability of light screen when the shading, improve the shading performance of light screen.

Optionally, a first stop button is arranged at one end of each guide rail close to the corresponding winding shaft, a second stop button is arranged at one end of each guide rail far from the corresponding winding shaft, a baffle is fixedly connected to one end of the light shielding plate far from the winding shaft, and the baffle is used for being in contact with the corresponding first stop button or second stop button; the first stop button and the second stop button are both electrically connected with the PLC.

Through adopting above-mentioned technical scheme, along with driving motor's rotation, the baffle can remove under the drive of light screen, and after the baffle pressed first stop button, the PLC controller can control driving motor stall. The winding work is completed after the driving motor stops rotating, and the shading plate is folded. Along with driving motor's rotation, the baffle can remove under the drive of light screen, and after the baffle pressed second stop button, the PLC controller can control driving motor stall. The light screen is placed after the driving motor stops rotating, and the light screen covers the greening cluster.

Optionally, a communicating hole is formed in the lower guide plate in a penetrating manner, and the communicating hole extends along the length direction of the lower guide plate; the baffle is I-shaped, the baffle consists of a clamping part, a connecting part and an abutting part, the connecting part is positioned in the communicating hole, and the clamping part and the abutting part are both positioned outside the communicating hole; the light screen is fixedly connected with the clamping part.

Through adopting above-mentioned technical scheme, the baffle is the I shape and sets up the back, card that connecting portion can be better in the intercommunication hole, when the release and the rolling of carrying out the light screen, connecting portion keep always in the intercommunication hole, can be more stable slide between last baffle and lower guide, improve stability and shading performance.

Optionally, the plurality of light-shielding plates are spliced into the shape of the whole greening mat, and each light-shielding plate covers the center to the edge of the greening mat; each light screen comprises a central part and an edge part, one end of each edge part is fixedly connected with the corresponding winding shaft, and one end of each edge part, which is far away from the winding shaft, is connected with the central part through an elastic part; the shading plate is provided with a fixing piece for fixing the central part; the PLC is characterized in that a second bulb is arranged below each central portion, a second illumination sensor is arranged above each central portion, a plurality of second calibration illumination intensities are preset in the PLC, the second calibration illumination intensities correspond to areas covered by a plurality of different central portions respectively, and the second bulbs and the second illumination sensors are electrically connected with the PLC.

Through adopting above-mentioned technical scheme, the light screen covers the center to the edge of afforesting the clump, connects through the elastic component between the central part of each light screen and the edge portion. When the second illumination sensor detects that the illumination intensity is greater than the second calibrated illumination intensity, the driving motor rotates to drive the light shielding plate to move to cover the central area of the greening cluster, and then the driving motor rotates reversely to roll the edge part after the central part is fixed by the fixing part, so that the central part is only kept for shielding. Therefore, the intelligent regional maintenance of the central region and the edge region of the greening mat can be realized.

Optionally, a plurality of calibration rotation times are respectively preset in the PLC controller, and the plurality of calibration rotation times respectively correspond to the plurality of driving motors; the PLC is provided with a control button, and the control button is electrically connected with the PLC.

By adopting the technical scheme, when the driving motor rotates within the corresponding calibration rotation time, the corresponding light screen can be completely rolled up. When the edge part is rolled up through the driving motor, after the control button is pressed, when the driving motor rotates reversely to roll up the edge part, only the edge part is rolled up because the central part is fixed through the fixing part, and at the moment, the elastic part is stretched. The center area is only shielded, and intelligent partitioned maintenance is realized.

Optionally, the fixing part comprises a rotating motor arranged on the guide rail, a motor shaft of the rotating motor is coaxially connected with a screw rod, and the screw rod is in threaded connection with a connecting sleeve; threads are arranged on the inner side wall of the connecting sleeve, four fixing rods are fixedly connected to the outer side wall of the connecting sleeve, and the four fixing rods respectively penetrate through the four upper guide plates to be abutted against the central part; the rotating motor is electrically connected with the PLC.

Through adopting above-mentioned technical scheme, rotate through rotating the motor, the dead lever runs through the upper guide plate and plays limiting displacement when the screw rod rotates, realizes that the adapter sleeve reciprocates, and then realizes the fixed action of dead lever. The PLC controller controls the rotating motor to rotate and stop, and the intelligent maintenance effect is achieved.

Optionally, each lower guide plate is provided with a groove, and one end of each fixing rod, which is far away from the connecting sleeve, is inserted into one of the grooves respectively.

Through adopting above-mentioned technical scheme, the dead lever is inserted and is established the fixed central part that can be more stable in the recess.

Optionally, the groove bottom of the groove is provided with a first magnet, each end face of the fixed rod is provided with a second magnet, and the first magnet and the second magnet are opposite magnets.

Through adopting above-mentioned technical scheme, first magnet and second magnet are special-shaped magnet inter attraction, can improve the stability when fixed central part.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the controller can control the shading work of the shading plate through the arrangement of the PLC controller, the first illumination sensor, the shading plate, the first bulb and the driving device, so that the purpose of intelligent maintenance is achieved;

2. through the setting of guide rail, upper baffle and bottom guide, can improve the stability of light screen when covering and rolling.

Drawings

Fig. 1 is a block diagram showing the structure of the plant intelligent maintenance system according to the present embodiment;

FIG. 2 is a schematic diagram of the overall structure of the intelligent plant maintenance system shown in this embodiment;

FIG. 3 is a bottom view of the intelligent plant maintenance system shown in this embodiment;

fig. 4 is a bottom view of the guide rail shown in the present embodiment;

fig. 5 is a schematic view of the overall structure of the light shielding plate shown in the present embodiment;

fig. 6 is a schematic view showing the overall structure of the guide rail according to the present embodiment;

fig. 7 is an exploded view of the fixing member shown in the present embodiment;

fig. 8 is a schematic view of the overall structure of the plant intelligent maintenance system shown in this embodiment when the covering area is small.

Description of reference numerals: 1. a PLC controller; 11. a control button; 2. a visor; 21. a baffle plate; 211. a clamping part; 212. a connecting portion; 213. an abutting portion; 22. a central portion; 23. an edge portion; 24. an elastic member; 25. a second bulb; 26. a second illumination sensor; 3. a guide rail; 31. an upper guide plate; 311. a first illumination sensor; 32. a lower guide plate; 321. a communicating hole; 322. a first bulb; 323. a groove; 324. a first magnet; 33. a connecting plate; 34. a center block; 35. a first stop button; 36. a second stop button; 4. a drive motor; 41. a winding shaft; 42. a support assembly frame; 43. a support frame; 5. rotating the motor; 51. a screw; 52. a bearing; 53. connecting sleeves; 54. fixing the rod; 55. a second magnet; 56. and (4) a bracket.

Detailed Description

The present application is described in further detail below with reference to figures 1-8.

The greening cluster is arranged in a rectangular shape, the greening cluster is divided into four areas, each area extends from the center of the greening cluster to the edge and is in a triangular shape, and different types of plants are planted in each area.

The embodiment of the application discloses an intelligent plant maintenance system. Referring to fig. 1 and 2, an intelligent plant maintenance system comprises a PLC controller 1 and four light-shading plates 2, wherein the four light-shading plates 2 are all triangular and respectively cover the upper parts of different areas of a greening cluster. Each light screen 2 is provided with a driving device, and the PLC 1 is used for controlling the driving devices, covering the light screen 2 above the area corresponding to the greening cluster through the driving devices, or moving the light screen 2 away from the area corresponding to the greening cluster. Each shading plate 2 is provided with a guide rail 3 for assisting the placement and removal of the shading plate 2.

Referring to fig. 2, each driving device includes a driving motor 4, a winding shaft 41 is coaxially connected to a motor shaft of the driving motor 4, a support frame 42 is connected to the winding shaft 41, and the driving motor 4 is fixedly connected to the support frame 42. The light shading plate 2 is a flexible plate, one end of the light shading plate 2 is fixedly connected with the outer side wall of the winding shaft 41, and the supporting frame 43 is fixedly connected above the four supporting group frames 42.

Referring to fig. 3 and 4, the guide rails 3 are disposed perpendicular to the corresponding winding shafts 41, one ends of the guide rails 3 are disposed near the corresponding winding shafts 41, and the four guide rails 3 are distributed in a cross shape. Each guide rail 3 comprises an upper guide plate 31 and a lower guide plate 32, the light shielding plates 2 are located between the corresponding upper guide plate 31 and the corresponding lower guide plate 32, one ends, far away from the corresponding winding shafts 41, of the upper guide plate 31 and the lower guide plate 32 are fixedly connected through connecting plates 33, center blocks 34 are fixedly connected to the four connecting plates 33 together, and one ends, close to the winding shafts 41, of the upper guide plates 31 are fixedly connected with supporting frames 43.

Referring to fig. 3 and 4, a first stop button 35 is disposed at an end of each guide rail 3 close to the corresponding winding shaft 41, and a second stop button 36 is disposed at an end of each guide rail 3 far from the corresponding winding shaft 41. A baffle 21 is fixedly connected to an end of the shade plate 2 away from the winding shaft 41, and the baffle 21 is used for contacting with the corresponding first stop button 35 or second stop button 36.

Referring to fig. 4 and 5, a communication hole 321 is formed through the lower guide plate 32, and the communication hole 321 extends in the longitudinal direction of the lower guide plate 32. The baffle 21 is i-shaped, the baffle 21 comprises a clamping portion 211, a connecting portion 212 and an abutting portion 213, the connecting portion 212 is located in the communicating hole 321, the clamping portion 211 and the abutting portion 213 are located outside the communicating hole 321, one end, far away from the winding shaft 41, of the light shielding plate 2 is fixedly connected with the corresponding clamping portion 211, and the abutting portion 213 is used for contacting with the first stop button 35 or the second stop button 36.

Referring to fig. 4 and 6, an upper end surface of each upper guide plate 31 is provided with a first illumination sensor 311, and a lower end surface of each lower guide plate 32 is provided with a first bulb 322. Four first calibration illumination intensities are preset in the PLC 1 and respectively correspond to the four areas, and each first calibration illumination intensity is the highest illumination intensity required by normal growth of the plants in the corresponding area. The maximum illumination intensity required by the normal growth of the plants is the light saturation point of the plants, the light saturation point of the positive plants is 20000-25000 LUX, the light saturation of the negative plants is 5000-10000 LUX, and different first calibration illumination intensities are set according to different light saturation points of different plants in practice.

Referring to fig. 2 and 4, the first stop button 35, the second stop button 36, the first bulb 322, the first illumination sensor 311, and the driving motor 4 are electrically connected to the PLC controller 1.

Referring to fig. 3 and 5, for any area, when the first illumination sensor 311 detects that the real-time illumination intensity is greater than the first calibrated illumination intensity, the PLC controller 1 controls the driving motor 4 to start up to drive the light shielding plate 2 to move between the upper guide plate 31 and the lower guide plate 32 until the abutting portion 213 contacts with the second stop button 36, the second stop button 36 is triggered, the driving motor 4 stops rotating, the light shielding plate 2 shields light, and at this time, the first bulb 322 is turned on to provide proper illumination for the plant.

Referring to fig. 2 and 5, when the first illumination sensor 311 detects that the real-time illumination intensity is less than or equal to the first calibration illumination intensity, the PLC controller 1 controls the first bulb 322 to be turned off, and controls the driving motor 4 to rotate reversely to drive the light shielding plate 2 to wind up until the abutting portion 213 contacts with the first stop button 35, the first stop button 35 is triggered, and the driving motor 4 stops rotating.

Referring to fig. 3 and 5, in order to improve the applicability of the light shielding plate 2, the light shielding plate 2 can perform intelligent light shielding operation for greening mats with different areas. Each light screen 2 comprises a triangular central portion 22 and a trapezoidal edge portion 23, one end of the edge portion 23 is fixedly connected with the corresponding winding shaft 41, and one end of the edge portion 23 away from the winding shaft 41 is connected with the central portion 22 through an elastic member 24, specifically, the elastic member 24 is a rubber belt.

Referring to fig. 7 and 8, the light shielding plate 2 is provided with a fixing member for fixing the central portion 22. The fixing piece is including setting up the rotation motor 5 on guide rail 3, rotates motor 5 and is located the top of center block 34 and through support 56 and guide rail 3 fixed connection, and the vertical downward setting of motor shaft that rotates motor 5 and coaxial coupling have screw rod 51, and screw rod 51's bottom is connected through bearing 52 with center block 34. The screw 51 is connected with a connecting sleeve 53 through threads, the inner side wall of the connecting sleeve 53 is provided with threads, and the outer side wall of the connecting sleeve 53 is fixedly connected with four L-shaped fixing rods 54.

Referring to fig. 6 and 7, each lower guide plate 32 is provided with a groove 323, and one end of each fixing rod 54, which is far away from the connecting sleeve 53, penetrates through one of the upper guide plates 31 and is inserted into the corresponding groove 323. A first magnet 324 is disposed at the bottom of each groove 323, a second magnet 55 is disposed at the end surface of each fixing rod 54, and the first magnet 324 and the second magnet 55 are opposite magnets.

Referring to fig. 6 and 7, a second bulb 25 is disposed below each of the central portions 22, the second bulb 25 is fixedly connected to the lower guide plate 32, a second illumination sensor 26 is disposed above each of the central portions 22, and the second illumination sensor 26 is fixedly connected to the upper guide plate 31. Four second calibration illumination intensities are preset in the PLC controller 1, the four second calibration illumination intensities respectively correspond to the areas covered by the four different central portions 22, and each second calibration illumination intensity is the highest illumination intensity required by the normal growth of the plants in the area corresponding to the central portion 22. And setting different second calibration illumination intensities according to different light saturation points of different plants in practice.

Referring to fig. 6 and 7, the rotary motor 5, the second bulb 25, and the second illumination sensor 26 are electrically connected to the PLC controller 1.

Referring to fig. 3 and 5, four calibration rotation times are respectively preset in the PLC controller 1, the four calibration rotation times respectively correspond to the four driving motors 4, for any driving motor 4, the time taken for the light shielding plate 2 to complete winding after the driving motor 4 rotates is the corresponding calibration rotation time, and the abutting portion 213 contacts the first stop button 35 after the light shielding plate 2 is completed winding.

Referring to fig. 1, a control button 11 is provided on the PLC controller 1, and the control button 11 is used for switching the light shielding plate 2 to perform intelligent light shielding operation on greening clumps with different areas. The control button 11 is electrically connected with the PLC controller 1, the PLC controller 1 controls the rotating motor 5 to respond after the control button 11 is pressed, and the PLC controller 1 controls the rotating motor 5 not to respond after the control button 11 is pressed again.

Referring to fig. 1 and 2, after the control button 11 is pressed, when any one of the second light sensors 26 detects that the light intensity is greater than the second nominal light intensity, the PLC controller 1 controls the corresponding driving motor 4 to rotate, the central portion 22 and the edge portion 23 both extend out, until the abutting portion 213 contacts with the second stop button 36, the second stop button 36 is triggered, the driving motor 4 stops rotating, and the second bulb 25 lights up to provide proper light for the plant.

Referring to fig. 6 and 7, after the driving motor 4 is stopped, the PLC controller 1 controls the rotating motor 5 to rotate so that the fixing rods 54 are inserted into the corresponding grooves 323, the first magnet 324 and the second magnet 55 attract each other to fix the central portion 22, and the rotating motor 5 is stopped after rotating with a delay time determined according to actual production conditions.

Referring to fig. 5 and 6, the PLC controller 1 controls the driving motor 4 to rotate reversely after the rotation of the rotating motor 5 is stopped, starts timing when the driving motor 4 starts to rotate reversely, and stops the rotation of the driving motor 4 when the time reaches a predetermined rotation time corresponding to the driving motor 4, at which time the elastic member 24 is stretched, and the center portion 22 performs a light shielding operation.

Referring to fig. 6 and 7, when any one of the second light sensors 26 detects that the light intensity is less than or equal to the second calibrated light intensity, the PLC controller 1 controls the rotating motor 5 to rotate reversely, the fixing rod 54 extends out of the groove 323, the central portion 22 is recovered and wound under the resilience force of the elastic member 24, and controls the second bulb 25 to be extinguished, and the rotating motor 5 is delayed and stopped after rotating reversely, with the delay time being determined according to the actual production situation.

The implementation principle of the intelligent plant maintenance system in the embodiment of the application is as follows:

in the initial state, the maintenance system carries out intelligent shading operation on a large-area greening cluster, and the PLC 1 controls the rotating motor 5 not to respond. When any one of the first illumination sensors 311 detects that the real-time illumination intensity is greater than the first calibrated illumination intensity, the PLC controller 1 controls the driving motor 4 to start, drives the light shielding plate 2 to move between the upper guide plate 31 and the lower guide plate 32, and after the abutting portion 213 is in contact with the second stop button 36, the second stop button 36 is triggered, the driving motor 4 stops rotating, the light shielding plate 2 shields light, and at this time, the first bulb 322 is turned on to provide proper illumination for plants. When the first illumination sensor 311 detects that the real-time illumination intensity is less than or equal to the first calibrated illumination intensity, the PLC controller 1 controls the first bulb 322 to be turned off, and controls the driving motor 4 to rotate reversely to drive the light shielding plate 2 to wind up, until the abutting portion 213 contacts with the first stop button 35, the first stop button 35 is triggered, and the driving motor 4 stops rotating.

When the intelligent shading operation is required for the greening mat with a small area, the control button 11 is pressed. After the control button 11 is pressed, when any one of the second illumination sensors 26 detects that the illumination intensity is greater than the second calibrated illumination intensity, the PLC controller 1 controls the corresponding driving motor 4 to rotate, the central portion 22 and the edge portion 23 both extend out, until the abutting portion 213 contacts with the second stop button 36, the second stop button 36 is triggered, the driving motor 4 stops rotating, and the second bulb 25 lights up to provide proper illumination for the plant. At this time, the rotary motor 5 is rotated so that the fixing rods 54 are inserted into the corresponding recesses 323, and the first magnet 324 and the second magnet 55 are attracted to each other to fix the center portion 22.

After the rotation of the rotating motor 5 is stopped, the PLC 1 controls the driving motor 4 to rotate reversely, the timing is started when the driving motor 4 starts to rotate reversely, the driving motor 4 stops rotating after the time reaches the calibrated rotation time corresponding to the driving motor 4, at this time, the elastic piece 24 is stretched, and the central part 22 performs shading operation. When any one of the second light sensors 26 detects that the light intensity is less than or equal to the second calibration light intensity, the PLC controller 1 controls the rotating motor 5 to rotate the fixing rod 54 reversely to extend out of the groove 323, the central portion 22 is retracted and wound under the resilience force of the elastic member 24, and the second bulb 25 is controlled to be turned off.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an intelligent maintenance system of plant which characterized in that: the greening system comprises a PLC (programmable logic controller) controller (1), a plurality of first illumination sensors (311) and a plurality of light shielding plates (2), wherein the plurality of light shielding plates (2) are respectively covered above different areas of a greening cluster, the plurality of first illumination sensors (311) are uniformly distributed above the rectangular greening cluster, and a first bulb (322) is arranged below each light shielding plate (2); each shading plate (2) is provided with a driving device, and the driving device is used for covering the shading plates (2) above the greening cluster and the corresponding area thereof or removing the shading plates (2) from the greening cluster and the corresponding area thereof; a plurality of first calibration illumination intensities are preset in the PLC (1), the first calibration illumination intensities correspond to a plurality of different areas respectively, and the first bulb (322), the first illumination sensor (311) and the driving device are all electrically connected with the PLC (1).

2. The intelligent plant maintenance system according to claim 1, wherein: the driving device comprises a driving motor (4), and a winding shaft (41) is coaxially connected to a motor shaft of the driving motor (4); the light screen (2) is a flexible plate, one end of the light screen (2) is fixedly connected with the outer side wall of the winding shaft (41), and the driving motor (4) is electrically connected with the PLC (1).

3. The intelligent plant maintenance system according to claim 2, wherein: each light screen (2) is provided with a guide rail (3), the guide rails (3) are arranged perpendicular to the corresponding winding shafts (41), and one end of each guide rail (3) is arranged close to each winding shaft (41); the guide rail (3) comprises an upper guide plate (31) and a lower guide plate (32), and the light shielding plates (2) are located between the corresponding upper guide plate (31) and the corresponding lower guide plate (32).

4. The intelligent plant maintenance system of claim 3, wherein: one end, close to the corresponding winding shaft (41), of each guide rail (3) is provided with a first stop button (35), one end, far away from the corresponding winding shaft (41), of each guide rail (3) is provided with a second stop button (36), one end, far away from the winding shaft (41), of the light shielding plate (2) is fixedly connected with a baffle (21), and the baffle (21) is used for being in contact with the corresponding first stop button (35) or the second stop button; the first stop button (35) and the second stop button (36) are both electrically connected with the PLC controller (1).

5. The intelligent plant maintenance system according to claim 4, wherein: a communicating hole (321) is formed in the lower guide plate (32) in a penetrating manner, and the communicating hole (321) extends along the length direction of the lower guide plate (32); the baffle (21) is I-shaped, the baffle (21) is composed of a clamping portion (211), a connecting portion (212) and an abutting portion (213), the connecting portion (212) is located in the communicating hole (321), and the clamping portion (211) and the abutting portion (213) are located outside the communicating hole (321); the shading plate (2) is fixedly connected with the clamping part (211).

6. The intelligent plant maintenance system of claim 3, wherein: the shading plates (2) are spliced into the shape of the whole greening cluster, and each shading plate (2) covers the center to the edge of the greening cluster; each light shading plate (2) comprises a central part (22) and an edge part (23), one end of each edge part (23) is fixedly connected with the corresponding winding shaft (41), and one end, far away from the winding shaft (41), of each edge part (23) is connected with the central part (22) through an elastic piece (24); the shading plate (2) is provided with a fixing piece for fixing the central part (22); the LED lamp is characterized in that a second bulb (25) is arranged below each central portion (22), a second illumination sensor (26) is arranged above each central portion (22), a plurality of second calibration illumination intensities are preset in the PLC (1) and correspond to areas covered by the different central portions (22), and the second bulbs (25) and the second illumination sensors (26) are electrically connected with the PLC (1).

7. The intelligent plant maintenance system of claim 6, wherein: a plurality of calibration rotation times are preset in the PLC (1) respectively and correspond to the plurality of driving motors (4) respectively; the PLC controller (1) is provided with a control button (11), and the control button (11) is electrically connected with the PLC controller (1).

8. The intelligent plant maintenance system of claim 7, wherein: the fixing piece comprises a rotating motor (5) arranged on the guide rail (3), a screw rod (51) is coaxially connected to a motor shaft of the rotating motor (5), and a connecting sleeve (53) is connected to the screw rod (51) in a threaded manner; threads are arranged on the inner side wall of the connecting sleeve (53), four fixing rods (54) are fixedly connected to the outer side wall of the connecting sleeve (53), and the four fixing rods (54) penetrate through the four upper guide plates (31) respectively and are abutted against the central part (22); the rotating motor (5) is electrically connected with the PLC controller (1).

9. The intelligent plant maintenance system of claim 8, wherein: each lower guide plate (32) is provided with a groove (323), and one end, far away from the connecting sleeve (53), of each fixing rod (54) is inserted into one groove (323).

10. The intelligent plant maintenance system of claim 9, wherein: a first magnet (324) is arranged at the bottom of each groove (323), a second magnet (55) is arranged on the end face of each fixing rod (54), and the first magnet (324) and the second magnet (55) are opposite magnets.