Variable-diameter spiral pipeline type soilless three-dimensional cultivation device

Abstract

The application discloses a variable-diameter spiral pipeline type soilless three-dimensional cultivation device, which comprises a liquid storage basin, a supporting pipe, an environment monitoring device, a solar power supply device, a rainwater collecting device, a liquid pumping device, a variable-diameter spiral cultivation frame and an electrical control box; the bottom of the supporting pipe is fixed in the liquid storage basin, and the liquid storage basin is used for storing water and nutrient solution; the variable-diameter spiral cultivation frame is arranged on the outer periphery of the supporting pipe, and a plurality of cultivation units are arranged in the variable-diameter spiral cultivation frame. The variable-diameter spiral pipeline type soilless three-dimensional cultivation device can realize automatic soilless cultivation of plants, the plants can be fully illuminated, and the plants can be protected in bad weather.

Description

TECHNICAL FIELD

[0001] The present application relates to a variable-diameter spiral pipeline type soilless three-dimensional cultivation device, and belongs to the technical field of soilless cultivation. BACKGROUND

[0002] At present, soilless cultivation refers to fixing plants by using water, grass carbon or forest leaf soil, vermiculite and other media as the substrate of plant roots, and the plant roots can directly contact with nutrient solution. The composition of nutrient solution in soilless cultivation is easy to control and can be adjusted at any time. Soilless cultivation is divided into water culture, mist culture and substrate culture according to different cultivation media. Water culture refers to a cultivation method in which plant roots directly contact with nutrient solution without using substrate.

[0003] Most of the current soilless cultivation adopts three-dimensional planting, that is, many layers of planting racks are vertically built, planting trays are placed on the planting racks, and many planting pits are arranged on the planting trays for cultivating plant root seedlings. However, the structure of the multi-layer planting rack can cause insufficient light for the lower plants, which is not conducive to the growth of the lower plants. In addition, when strong convection weather such as strong wind occurs, the plants on the planting rack cannot be protected, and the plants can be destroyed by the strong wind, causing economic losses. SUMMARY

[0004] The technical problem to be solved by the present application is to overcome the shortcomings of the prior art, provide a variable-diameter spiral pipeline type soilless three-dimensional cultivation device, realize automatic soilless cultivation of plants, and protect the plants in bad weather.

[0005] In order to solve the above technical problems, the technical scheme of the present application is:

[0006] A variable-diameter spiral pipeline type soilless three-dimensional cultivation device, which comprises a liquid storage basin, a support pipe, an environment monitoring device, a solar power supply device, a rainwater collecting device, a liquid pumping device, a variable-diameter spiral cultivation rack and an electrical control box.

[0007] The bottom of the support pipe is fixed in the liquid storage basin, and the liquid storage basin is used to store water and nutrient solution.

[0008] The variable-diameter spiral cultivation rack is arranged on the outer periphery of the support pipe, and a plurality of cultivation units are arranged in the variable-diameter spiral cultivation rack.

[0009] The rainwater collecting device is arranged at the top of the support pipe, and the rainwater collecting device is used to collect rainwater and store it in the liquid storage basin.

[0010] The environment monitoring device is arranged on the side wall of the support pipe, and the environment monitoring device is used to collect environmental temperature and humidity, light intensity and wind speed.

[0011] The liquid pumping device is arranged in the support pipe and used to pump the water and nutrient solution in the liquid storage basin into the variable-diameter spiral cultivation frame to form a water culture circulation.

[0012] The solar power device is used to convert solar energy into electric energy for the variable-diameter spiral pipe type soilless three-dimensional cultivation device.

[0013] The electric control box is used to receive the environment temperature and humidity, light intensity and wind speed signals collected by the environment monitoring device, collect the humidity signal of the cultivation unit, control the cultivation unit to retract and extend from the variable-diameter spiral cultivation frame, and control the liquid pumping device.

[0014] Further, the rainwater collecting device comprises a funnel and a rainwater collecting pipe, the bottom of the funnel is connected with the rainwater collecting pipe, the rainwater collecting pipe is arranged in the support pipe, and the bottom of the rainwater collecting pipe is located in the liquid storage basin.

[0015] Further, the liquid pumping device comprises a water pump, an inlet pipe and an outlet pipe, the water pump is installed at the top of the support pipe, one end of the inlet pipe is located in the liquid storage basin, the other end of the inlet pipe is connected with the inlet of the water pump, one end of the outlet pipe is connected with the outlet of the water pump, the other end of the outlet pipe is connected with the variable-diameter spiral cultivation frame, and the water pump is electrically connected with the electric control box.

[0016] Further, the variable-diameter spiral cultivation frame comprises a spiral pipe and a support, the spiral pipe is arranged around the support pipe from top to bottom, the support is arranged on the outer wall of the support pipe, the support is used to support the spiral pipe, the diameter of the spiral pipe increases from top to bottom, the water inlet of the spiral pipe is connected with the other end of the outlet pipe, the water outlet of the spiral pipe is connected with the liquid storage basin, and the spiral pipe is provided with an inlet and outlet for the cultivation unit to extend and retract.

[0017] Further, the cultivation unit is arranged in the spiral pipe, the cultivation unit comprises a cultivation basin, a flange, a plant protection petal, a protection petal driving assembly and a lifting seat, the cultivation basin is arranged on the lifting seat, a water absorbing sponge is arranged in the cultivation basin and used to plant plants, the lifting seat is used to drive the cultivation basin to lift, the flange is fixed on the outer periphery of the cultivation basin, the bottom end of the plant protection petal is hingedly connected with the cultivation basin, and the protection petal driving assembly is arranged on the flange and used to drive the plant protection petal to open and close.

[0018] Further, a cultivation humidity sensor is arranged on the cultivation unit closest to the electric control box, and the cultivation humidity sensor is installed in the water absorbing sponge in the cultivation basin.

[0019] Further, the environment monitoring device comprises a temperature and humidity sensor, an illumination sensor and a wind speed sensor, the temperature and humidity sensor, the illumination sensor and the wind speed sensor are arranged on the outer wall of the support pipe, and are electrically connected with the electrical control box; the temperature and humidity sensor is used for monitoring the temperature and humidity of the environment; the illumination sensor is used for detecting the illumination intensity of the environment; and the wind speed sensor is used for monitoring the wind speed of the environment.

[0020] Further, the solar power supply device comprises a solar cell panel, a controller and a storage battery, the solar cell panel is fixed at the top of the support pipe, the controller and the storage battery are arranged in the electrical control box, the solar cell panel is electrically connected with the controller, and the controller is electrically connected with the storage battery.

[0021] Further, the electrical control box is further provided with a circuit board and a switching power supply, the storage battery supplies power to the circuit board through the controller, the switching power supply is used for converting external alternating current into direct current to supply power to the circuit board, and the temperature and humidity sensor, the illumination sensor, the wind speed sensor, the cultivation humidity sensor, the protection petal driving assembly, the lifting seat and the water pump are electrically connected with the circuit board.

[0022] Further, the protection petal driving assembly comprises a motor, a first connecting rod and a second connecting rod, the motor is fixed on the flange plate, one end of the first connecting rod is fixed on the motor shaft of the motor, the other end of the first connecting rod is hingedly connected with one end of the second connecting rod, and the other end of the second connecting rod is hingedly connected with the side wall of the plant protection petal.

[0023] The lifting seat is provided with an electric push rod, and the electric push rod is connected with the bottom of the cultivation pot.

[0024] By adopting the above technical scheme, the present application has the following beneficial effects:

[0025] 1. In order to alleviate the growth pressure of crops, the present application adopts a variable-diameter spiral pipe as a carrier of the cultivation unit, the spiral pipe provides support for plants, the cultivation unit is filled with sponge for storing water and nutrients, and a plant protection petal is provided to protect plants, and the plants can be retracted into the spiral pipe for protection in strong convective weather.

[0026] 2. The present application is provided with a photovoltaic power generation device at the top end to generate photovoltaic power and save electric energy.

[0027] 3. The present application increases a rainwater collecting device to balance the natural collected rainwater and plant growth.

[0028] 4. The present application can realize automatic cultivation control and alleviate the pressure of manpower and material resources. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is a structure schematic view of a variable-diameter spiral pipeline soilless three-dimensional cultivation device of the present application.

[0030] Figure 2 It is a structure schematic view of a variable-diameter spiral cultivation frame of the present application.

[0031] Figure 3 It is an installation schematic view of a cultivation unit of the present application.

[0032] Figure 4 It is a structure schematic view of a cultivation unit of the present application.

[0033] Figure 5 It is a structure schematic view of a cultivation unit of the present application when extended.

[0034] Figure 6 It is a structure schematic view of a cultivation unit of the present application when retracted.

[0035] Figure 7 It is a structure schematic view of a liquid pumping device of the present application.

[0036] Figure 8 It is an electrical principle block diagram of a circuit board of the present application. DETAILED DESCRIPTION

[0037] In order to make the content of the present application more easily understood, the present application is further described in detail below according to specific embodiments and in conjunction with the accompanying drawings.

[0038] As shown in Figure 1 , the present embodiment provides a variable-diameter spiral pipeline soilless three-dimensional cultivation device, which comprises a liquid storage basin 1, a support pipe 2, an environment monitoring device, a solar power supply device, a rainwater collection device, a liquid pumping device, a variable-diameter spiral cultivation frame 3, and an electrical control box 4.

[0039] The bottom of the support pipe 2 is fixed in the liquid storage basin 1, and the support pipe 2 is hollow inside to facilitate the arrangement of pipelines and circuits. The liquid storage basin 1 is used to store water and nutrient solution.

[0040] The variable-diameter spiral cultivation frame 3 is arranged on the outer periphery of the support pipe 2, and a plurality of cultivation units 5 are arranged in the variable-diameter spiral cultivation frame 3.

[0041] The rainwater collection device is arranged at the top of the support pipe 2, and is used to collect rainwater and store it in the liquid storage basin 1.

[0042] The environment monitoring device is arranged on the side wall of the support pipe 2, and is used to collect environmental temperature and humidity, light intensity, and wind speed.

[0043] The liquid pumping device is arranged in the support pipe 2, and is used for pumping the water and nutrient solution in the liquid storage basin 1 into the variable-diameter spiral cultivation frame 3 to form a water culture circulation.

[0044] The solar power supply device is used for converting solar energy into electric energy used by the variable-diameter spiral pipeline soilless three-dimensional cultivation device.

[0045] The electrical control box 4 is used for receiving the environmental temperature and humidity, light intensity and wind speed signals collected by the environmental monitoring device, collecting the humidity signal of the cultivation unit 5, controlling the cultivation unit 5 to retract and extend from the variable-diameter spiral cultivation frame 3, and controlling the liquid pumping of the liquid pumping device.

[0046] As shown in Figure 1 , the rainwater collecting device of the embodiment includes a funnel 61 and a rainwater collecting pipe 62, the bottom of the funnel 61 is connected with the rainwater collecting pipe 62, the rainwater collecting pipe 62 is arranged in the support pipe 2, and the bottom of the rainwater collecting pipe 62 is located in the liquid storage basin 1. In rainy days, the rainwater is collected in the liquid storage basin 1 to supplement the water source for water culture, and a liquid supplementing opening 11 is further arranged on the liquid storage basin 1 to supplement the water and nutrient solution.

[0047] As shown in Figure 1 , 7 , the liquid pumping device of the embodiment includes a water pump 71, a water inlet pipe 72 and a water outlet pipe 73, the water pump 71 is installed at the top of the support pipe 2, one end of the water inlet pipe 72 is located in the liquid storage basin 1, the other end of the water inlet pipe 72 is connected with the inlet of the water pump 71, one end of the water outlet pipe 73 is connected with the water outlet of the water pump 71, and the other end of the water outlet pipe 73 is connected with the variable-diameter spiral cultivation frame 3, and the water pump 71 is electrically connected with the electrical control box 4. The water pump 71 is controlled to start and stop by the electrical control box 4, and when the plants need water, the water pump 71 automatically pumps water to irrigate the plants on the variable-diameter spiral cultivation frame 3.

[0048] The mixed solution of the water and nutrient solution in the liquid storage basin 1 is pumped to the variable-diameter spiral cultivation frame 3 by the water pump 71 to form a water culture circulation.

[0049] As shown in Figure 1 , 2 , the variable-diameter spiral cultivation frame 3 of the embodiment includes a spiral pipeline 31 and a support 32, the spiral pipeline 31 is arranged around the support pipe 2 from top to bottom, the support 32 is arranged on the outer wall of the support pipe 2, the support 32 is used for supporting the spiral pipeline 31, the pipeline diameter of the spiral pipeline 31 increases from top to bottom, the water inlet of the spiral pipeline 31 is connected with the other end of the water outlet pipe 73, the water outlet of the spiral pipeline 31 is connected with the liquid storage basin 1, and the spiral pipeline 31 is provided with an inlet and outlet for the cultivation unit 5 to extend and retract.

[0050] The variable-diameter spiral cultivation frame 3 adopts a spiral structure around the support pipe 2 to maximize the use of three-dimensional space. The pipe diameter of the spiral pipe 31 increases from top to bottom, and this narrow-top-wide structure can maximize the prevention of the lower plants from being blocked by the upper plants, so that the lower plants can fully receive light.

[0051] In addition, the variable-diameter spiral cultivation frame 3 adopts a spiral structure, and the mixed liquid pumped by the water pump 71 can flow from the water inlet of the spiral pipe 31 to the water outlet and then return to the liquid storage basin 1. For the unused nutrient solution and water, the water pump 71 can be used to pump the water and nutrient solution to the water inlet of the top spiral pipe 31 when the plants need it, so that the plants can absorb the water and nutrient solution, and the pollution to the environment is greatly reduced.

[0052] As shown in Figures 3 to 6 The cultivation unit 5 of the present embodiment is arranged in the spiral pipe 31, and the cultivation unit 5 includes a cultivation basin 51, a flange 52, a plant protection flap 53, a protection flap driving assembly, and a lifting seat 54. The cultivation basin 51 is arranged on the lifting seat 54, and a water-absorbing sponge 55 is arranged in the cultivation basin 51 for planting plants. The lifting seat 54 is used to drive the cultivation basin 51 to lift. The flange 52 is fixed to the outer periphery of the cultivation basin 51. The bottom end of the plant protection flap 53 is hinged to the cultivation basin 51. The protection flap driving assembly is arranged on the flange 52 and is used to drive the plant protection flap 53 to open and close. The water and nutrient solution flow from the top to the bottom of the variable-diameter spiral cultivation frame 3, and the water and nutrient solution can be fully absorbed by the water-absorbing sponge 55 in each cultivation unit 5, so that the water-absorbing sponge 55 storing the water and nutrient solution can be used as a culture carrier for plants. In particular, when typhoon, gale, and heavy rain occur, the protection flap driving assembly automatically closes the plant protection flap 53, and the plant protection flap 53 forms a protective cover after being folded, which surrounds the plants. Then, the lifting seat 54 retracts the cultivation basin 51 into the spiral pipe 31 of the variable-diameter spiral cultivation frame 3 to protect the plants. When the weather clears, the lifting seat 54 extends the cultivation basin 51 from the spiral pipe 31 of the variable-diameter spiral cultivation frame 3, and then the protection flap driving assembly automatically opens the plant protection flap 53 to allow the plants to grow normally. The cultivation humidity sensor is arranged on the closest cultivation unit 5 to the electrical control box 4, and is installed in the water-absorbing sponge 55 in the cultivation basin 51. The cultivation humidity sensor monitors the humidity in the water-absorbing sponge 55 in real time. When the water-absorbing sponge 55 is short of water, the electrical control box 4 controls the water pump 71 to pump the water and nutrient solution from the liquid storage basin 1 to the spiral pipe 31 of the variable-diameter spiral cultivation frame 3.

[0053] As shown in Figure 4As shown, the protection flap driving assembly of the embodiment includes a motor 56, a first connecting rod 57 and a second connecting rod 58, the motor 56 is fixed on the flange plate 52, one end of the first connecting rod 57 is fixed on the motor shaft of the motor 56, the other end of the first connecting rod 57 is hinged to one end of the second connecting rod 58, and the other end of the second connecting rod 58 is hinged to the side wall of the plant protection flap 53. The electrical control box 4 controls the forward and reverse rotation of the motor 56, and the motor 56 drives the plant protection flap 53 to open and close through the linkage of the first connecting rod 57 and the second connecting rod 58.

[0054] As shown in Figure 4 , 6 As shown, the lifting seat 54 of the embodiment is provided with an electric push rod 541, the electric push rod 541 is connected to the bottom of the cultivation pot 51, and the electric push rod 541 is a micro electric push rod 541. The cultivation pot 51 is extended and retracted by the electric push rod 541.

[0055] As shown in Figure 1 , the environmental monitoring device of the embodiment includes a temperature and humidity sensor 81, an illumination sensor 82 and a wind speed sensor 83, the temperature and humidity sensor 81, the illumination sensor 82 and the wind speed sensor 83 are all arranged on the outer wall of the support pipe 2, and the temperature and humidity sensor 81, the illumination sensor 82 and the wind speed sensor 83 are all electrically connected with the electrical control box 4. The temperature and humidity sensor 81 is used for monitoring the environmental temperature and humidity, the illumination sensor 82 is used for detecting the environmental illumination intensity, and the wind speed sensor 83 is used for monitoring the environmental wind speed.

[0056] The electrical control box 4 of the embodiment is also provided with a circuit board and a switching power supply, the battery supplies power to the circuit board through the controller, the switching power supply is used for converting external alternating current into direct current to supply power to the circuit board, and the temperature and humidity sensor 81, the illumination sensor 82, the wind speed sensor 83, the cultivation humidity sensor, the protection flap driving assembly, the lifting seat 54 and the water pump 71 are all electrically connected with the circuit board. The switching power supply can convert external 220V alternating current into direct current for the circuit board, the circuit board collects signals of the temperature and humidity sensor 81, the illumination sensor 82, the wind speed sensor 83 and the cultivation humidity sensor, judges the weather condition according to the current temperature, humidity, illumination intensity and wind speed, and decides whether to retract the cultivation unit 5 according to the weather condition.

[0057] As shown in Figure 1 , the solar power supply device of the embodiment includes a solar cell panel 9, a controller and a battery, the solar cell panel 9 is fixed on the top of the support pipe 2, the controller and the battery are arranged in the electrical control box 4, the solar cell panel 9 is electrically connected with the controller, and the controller is electrically connected with the battery. The embodiment also provides solar power supply, fully utilizes solar power generation, and saves electric energy.

[0058] AsFigure 8 As shown, the circuit board of the embodiment includes an MCU module, an AD conversion module, two-way motor driving modules, and a power module. The power module converts DC power from a switching power supply and a solar power supply device into 3.3V, 5V, and 12V for use by various modules. The output ends of various sensors are connected to input pins of the AD conversion module. The output pins of the AD conversion module are connected to IO ports of the MCU module. The IO ports of the MCU module drive the protection petal driving assembly motor 56 and the water pump 71 through the two-way motor driving modules. The IO ports of the MCU module send start-stop signals to the electric push rod 541 to control the extension and retraction of the electric push rod 541 of the cultivation unit 5.

[0059] The above-described specific embodiments further detail the technical problems solved by the present application, technical solutions, and beneficial effects. It should be understood that the above-described embodiments are merely specific embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A variable-diameter spiral pipe type soilless three-dimensional cultivation device, characterized in that: It includes a liquid storage basin (1), a support pipe (2), an environmental monitoring device, a solar power supply device, a rainwater collection device, a liquid extraction device, a variable diameter spiral cultivation rack (3), and an electrical control box (4). The bottom of the support tube (2) is fixed in the liquid storage basin (1), which is used to store water and nutrient solution; The variable diameter spiral cultivation rack (3) is set on the outer periphery of the support tube (2), and multiple cultivation units (5) are set inside the variable diameter spiral cultivation rack (3). The rainwater collection device is installed on the top of the support pipe (2) and is used to collect rainwater and store it in the storage basin (1). The environmental monitoring device is installed on the side wall of the support pipe (2), and the environmental monitoring device is used to collect environmental temperature and humidity, light intensity and wind speed; The liquid extraction device is installed inside the support tube (2). The liquid extraction device is used to extract water and nutrient solution from the storage basin (1) into the variable diameter spiral cultivation rack (3) to form a hydroponic cycle. The solar power supply device is used to convert solar energy into electrical energy for use in the variable diameter spiral pipe soilless three-dimensional cultivation device. The electrical control box (4) is used to receive environmental temperature and humidity, light intensity and wind speed signals collected by the environmental monitoring device, collect humidity signals of the cultivation unit (5), control the cultivation unit (5) to retract and extend from the variable diameter spiral cultivation rack (3), and control the liquid extraction device. The rainwater collection device includes a funnel (61) and a rainwater collection pipe (62). The bottom of the funnel (61) is connected to the rainwater collection pipe (62). The rainwater collection pipe (62) is installed inside the support pipe (2). The bottom of the rainwater collection pipe (62) is located in the liquid storage basin (1). The liquid extraction device includes a water pump (71), an inlet pipe (72), and an outlet pipe (73). The water pump (71) is installed on the top of the support pipe (2). One end of the inlet pipe (72) is located in the liquid storage basin (1), and the other end of the inlet pipe (72) is connected to the inlet of the water pump (71). One end of the outlet pipe (73) is connected to the outlet of the water pump (71), and the other end of the outlet pipe (73) is connected to the variable diameter spiral cultivation rack (3). The water pump (71) is electrically connected to the electrical control box (4). The variable diameter spiral cultivation rack (3) includes a spiral pipe (31) and a support (32). The spiral pipe (31) is arranged around the support pipe (2) from top to bottom. The support (32) is arranged on the outer wall of the support pipe (2). The support (32) is used to support the spiral pipe (31). The diameter of the spiral pipe (31) increases from top to bottom. The inlet of the spiral pipe (31) is connected to the other end of the outlet pipe (73). The outlet of the spiral pipe (31) is connected to the liquid storage basin (1). The spiral pipe (31) has an inlet and outlet for the cultivation unit (5) to extend and retract. The cultivation unit (5) is set in the spiral pipe (31). The cultivation unit (5) includes a cultivation pot (51), a flange (52), a plant protection petal (53), a protection petal drive assembly, and a lifting seat (54). The cultivation pot (51) is set on the lifting seat (54). A water-absorbing sponge (55) is set inside the cultivation pot (51). The water-absorbing sponge (55) is used to plant plants. The lifting seat (54) is used to drive the cultivation pot (51) to move up and down. The flange (52) is fixed to the outer periphery of the cultivation pot (51). The bottom end of the plant protection petal (53) is hinged to the cultivation pot (51). The protection petal drive assembly is set on the flange (52). The protection petal drive assembly is used to drive the plant protection petal (53) to open and close.

2. The variable-diameter spiral pipe type soilless three-dimensional cultivation device according to claim 1, characterized in that: A cultivation humidity sensor is installed on the cultivation unit (5) closest to the electrical control box (4), and the cultivation humidity sensor is installed in the water-absorbing sponge (55) inside the cultivation pot (51).

3. The variable-diameter spiral pipe type soilless three-dimensional cultivation device according to claim 2, characterized in that: The environmental monitoring device includes a temperature and humidity sensor (81), a light intensity sensor (82), and a wind speed sensor (83). The temperature and humidity sensor (81), light intensity sensor (82), and wind speed sensor (83) are all installed on the outer wall of the support tube (2). The temperature and humidity sensor (81), light intensity sensor (82), and wind speed sensor (83) are all electrically connected to the electrical control box (4). The temperature and humidity sensor (81) is used to monitor the ambient temperature and humidity, the light intensity sensor (82) is used to detect the ambient light intensity, and the wind speed sensor (83) is used to monitor the ambient wind speed.

4. The variable-diameter spiral pipe type soilless three-dimensional cultivation device according to claim 3, characterized in that: The solar power supply device includes a solar panel (9), a controller and a battery. The solar panel (9) is fixed on the top of the support tube (2). The controller and the battery are installed in the electrical control box (4). The solar panel (9) is electrically connected to the controller and the controller is electrically connected to the battery.

5. The variable-diameter spiral pipe type soilless three-dimensional cultivation device according to claim 4, characterized in that: The electrical control box (4) is also equipped with a circuit board and a switching power supply. The battery supplies power to the circuit board through the controller. The switching power supply is used to convert external AC power into DC power to supply power to the circuit board. The temperature and humidity sensor (81), light intensity sensor (82), wind speed sensor (83), cultivation humidity sensor, protective valve drive assembly, lifting seat (54) and water pump (71) are all electrically connected to the circuit board.

6. The variable-diameter spiral pipe type soilless three-dimensional cultivation device according to claim 5, characterized in that: The protective petal drive assembly includes a motor (56), a first connecting rod (57), and a second connecting rod (58). The motor (56) is fixed on the flange (52). One end of the first connecting rod (57) is fixed on the motor (56) shaft of the motor (56). The other end of the first connecting rod (57) is hinged to one end of the second connecting rod (58). The other end of the second connecting rod (58) is hinged to the side wall of the plant protective petal (53). An electric push rod (541) is provided inside the lifting seat (54), and the electric push rod (541) is connected to the bottom of the cultivation pot (51).

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