A solar powered electric film roll and an intelligent greenhouse equipped with the same

Abstract

The present invention provides a solar electric film roll and an intelligent greenhouse equipped with the electric film roll, including a film roll drive motor, a solar panel, a battery, a wireless data transmission module and a control unit, wherein the film roll drive motor, the solar panel, the battery and the wireless data transmission module are all connected to the control unit; the output shaft of the film roll drive motor is used for transmission connection with the film roll shaft of the greenhouse film retracting and unwinding; the solar panel is used to receive solar energy and convert it into electrical energy and store it in the battery; the battery supplies power to the film roll drive motor and the system; the control unit transmits data with the host computer through the wireless data transmission module, and controls the action of the film roll drive motor according to the control instructions issued by the host computer. This is to solve the problems of the current electric film roll having a low degree of automation, high labor cost and material cost investment in the early stage of construction, and large safety hazards and operating costs. It belongs to the field of intelligent control of greenhouses.

Description

Technical Field

[0001] The invention relates to a solar electric film roll and an intelligent greenhouse equipped with the electric film roll, belonging to the technical field of greenhouses. Background Art

[0002] With the continuous advancement of agricultural technology, facility agriculture represented by greenhouses has developed rapidly. my country's greenhouse area, which mainly produces vegetables, has jumped to the first place in the world. Crops grow in greenhouses, which require greenhouses to adjust the temperature and humidity and ventilate the greenhouses by rolling and unrolling the film according to the different growth stages of the crops and the climatic conditions of the greenhouses.

[0003] At present, the automation level of most greenhouses is low, and the winding and unfolding of the film are mainly achieved by manual film rollers. With the continuous development of facility agriculture, the proportion of electric film rollers has increased year by year, but the current electric film rollers have a low degree of automation and need to be equipped with a control box or control cabinet. The control box is connected to 380V strong electricity, and then the voltage is converted into AC220V through a transformer, and then converted into DC24V power supply through a switching power supply to provide power for the electric film roller. A greenhouse is equipped with several electric film rollers. Since greenhouses are generally built in suburban fields far away from towns and cities, they are far away from power sources. In the process of practical construction and use, professional manual work is required, and multiple tasks such as wire pulling, wiring, wiring, and debugging are required. The process is cumbersome, and the initial construction labor cost and material cost are invested heavily. The greenhouse is a steel structure skeleton with conductivity. The more wiring, the greater the safety hazard. During use, it will also consume electricity and generate electricity bills, increasing the operating cost of the greenhouse. Summary of the invention

[0004] The purpose of the present invention is to provide a solar electric film roller and an intelligent greenhouse equipped with the electric film roller to solve the problems of low automation of the current electric film roller, high initial construction labor cost and material cost, high safety hazards and large operating costs.

[0005] In order to solve the above problems, a solar electric film roll is proposed, which includes a film roll drive motor, a solar panel, a battery, a wireless data transmission module and a control unit. The film roll drive motor, the solar panel, the battery and the wireless data transmission module are all connected to the control unit.

[0006] The output shaft of the film rolling drive motor is used for transmission connection with the film rolling shaft of the greenhouse film;

[0007] Solar panels are used to receive solar energy and convert it into electrical energy and store it in batteries;

[0008] The battery supplies power to the film-winding drive motor and system;

[0009] The control unit transmits data with the host computer through the wireless data transmission module, and controls the action of the film roll drive motor according to the control instructions issued by the host computer.

[0010] The aforementioned solar electric film winder also includes a film winder output shaft. The film winder drive motor is a small DC motor of 6-8V. The output shaft of the film winder drive motor is connected to the film winder output shaft through a composite gear transmission mechanism. The film winder output shaft is used to be connected to the film winder shaft of the greenhouse film. The transmission ratio of the composite gear transmission mechanism is greater than or equal to 500.

[0011] In the aforementioned solar electric film winder, the composite gear train gear transmission mechanism includes a driving wheel, a multi-stage fixed-axis gear train and a planetary gear train. The driving wheel is fixed on the output shaft of the film winding drive motor, and the driving wheel is connected to the multi-stage fixed-axis gear train by transmission. The output shaft of the multi-stage fixed-axis gear train is the central axis of the planetary gear train. The film winder output shaft 7 is fixed on the planetary carrier of the planetary gear train, and the film winder output shaft is coaxially arranged with the central axis.

[0012] The aforementioned solar electric film winder also includes a fault detection system, which includes an upper detection component, a lower detection component and two adjustment cam mechanisms. The adjustment cam mechanism is connected to the output shaft of the film winder drive motor in a driving manner. The upper detection component and the lower detection component are respectively arranged corresponding to the rotating cams of the two adjustment cam mechanisms, so that when the film winder drives the film winding shaft to reel in and release the film to the set position, the upper detection component and the lower detection component are respectively triggered. The upper detection component and the lower detection component are both connected to the control unit. The control unit or the host computer is also connected to a timing module, and the host computer is also connected to an alarm module.

[0013] In the aforementioned solar electric film rolling device, the upper detection component and the lower detection component are both contact or proximity sensors;

[0014] In the aforementioned solar electric film reel, the upper detection component and the lower detection component are both limit switches, the adjustment cam mechanism includes a rotating cam and a cam adjustment gear plate coaxially fixed to the rotating cam, the cam adjustment gear plate is drivingly connected to the output shaft of the film reel drive motor, the upper detection component and the lower detection component each include a state detection switch and a motor power-off switch, and each rotating cam is respectively provided with two raised profiles, and the two raised profiles correspond to the trigger state detection switch and the motor power-off switch respectively;

[0015] In the aforementioned solar electric film winder, the cam adjusting gear disc is connected to the output shaft of the film winder driving motor through a multi-stage fixed-axis gear train. The adjusting cam mechanism also includes a knob and a rotating shaft. An upper fixed plate and a lower fixed plate arranged in parallel are also fixed in the film winder. The adjusting cam mechanism is arranged between the upper fixed plate and the lower fixed plate. The knob and the cam adjusting gear disc are respectively fixed to the two ends of the rotating cam. The cam adjusting gear disc and the rotating cam are rotatably arranged on the rotating shaft and can slide axially along the rotating shaft. One end of the rotating shaft is fixed to the lower positioning plate, and the outer end of the knob extends out through the knob hole on the upper positioning plate. A spring is sleeved on the rotating shaft, and the spring is pressed between the cam adjusting gear disc and the lower positioning plate.

[0016] The present invention also provides an intelligent greenhouse equipped with a solar automatic film roller, wherein the film on both sides and / or the top of the greenhouse is driven by an electric film roller to rotate the film roller shaft forward or reversely to realize film collection and release, and the electric film roller is the above-mentioned solar electric film roller.

[0017] Compared with the prior art, the present invention is an integrated solar power supply design, which integrates the solar power supply module design into the film roll, adopts the power supply mode of solar panel + battery, and the power supply voltage is only 6-8V. The solar panel can supplement the power loss of the battery, and can achieve a long standby time in the absence of light. Solar energy is a clean energy, energy-saving and environmentally friendly. There is no need to perform cumbersome wiring operations during the installation process, which saves time and effort, and saves material costs and labor costs; there is no need to generate electricity costs during use, saving operating costs. At the same time, the present invention also has the following advantages:

[0018] 1) Apply the Internet of Things technology to the electric film roll, integrate the remote wireless control with the film roll, and do not need to pull wires or wires, and thus do not need to be equipped with a control cabinet or control box. This enables the film roll to have the function of remote wireless control, and become an independent greenhouse Internet of Things terminal product;

[0019] 2) The composite gear train gear mechanism design is used to achieve high torque output from a small motor, reduce the actuator space, obtain a larger transmission ratio, increase the output torque while reducing battery power consumption, increase the load capacity of the solar film roll, and make the film roll more stable and reliable;

[0020] 3) It can combine the dormancy algorithm technology to put the solar electric film roll into sleep mode when not working, which greatly saves the standby power loss and realizes the low power standby of the solar electric film roll;

[0021] 4) An operation panel is provided on the solar electric film roll, so that the film roll can be manually rolled up and down at the end of the film roll. With the knob cam and limit detection, the installation, upper and lower limit setting and debugging of the solar film roll can be completed at one time, avoiding secondary high-altitude operations, improving the installation and debugging efficiency and project progress, saving time and effort;

[0022] 5) The solar electric film roll has the function of equipment status detection and reporting. When a fault occurs, the control terminal (mobile phone or computer) can receive the alarm information in time, so as to conduct fault detection and processing in the first time.

[0023] The above solution can save the work of pipe wiring, wiring, frequent and multiple operations of the electric film roller during the construction of greenhouse facilities, which is convenient for installation and debugging, saving time and effort, and saving material and labor costs. During use, the solar electric film roller can achieve wireless remote control, use solar power, do not generate electricity bills, and save operating costs. In addition, the solar electric film roller can be wirelessly networked and shared with other greenhouse Internet of Things data to the cloud, which has a positive impact on promoting the development of facility agriculture and realizing agricultural big data and agricultural modernization. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is an exploded view of the present invention;

[0025] Figure 2 It is the control principle diagram of the present invention;

[0026] Figure 3 It is a structural diagram of a compound gear train gear transmission mechanism;

[0027] Figure 4 It is a structural diagram of the fault detection system;

[0028] Figure 5 yes Figure 4 Right view of;

[0029] Figure 6 This is a schematic diagram of the circuit for detecting a limit switch fault (the numbers in the figure are pins, not the reference numerals of the components). DETAILED DESCRIPTION

[0030] In order to make the objectives, technical solutions and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0031] Example 1

[0032] Reference Figure 1 and Figure 2The present embodiment provides a solar electric film roll, including a film roll drive motor 1, a solar cell panel 2, a battery 3, a wireless data transmission module 4 and a control unit 5. The film roll drive motor 1, the solar cell panel 2, the battery 3 and the wireless data transmission module 4 are all connected to the control unit 5. The solar cell panel 2 is used to receive solar energy and convert it into electrical energy and store it in the battery 3. The battery 3 supplies power to the film roll drive motor 1 and the system. The control unit 5 transmits data with the host computer 6 through the wireless data transmission module 4, and controls the action of the film roll drive motor 1 according to the control instructions issued by the host computer 6.

[0033] Refer to the attached Figure 3 The film roll drive motor 1 is a small DC motor of 6-8V. The output shaft of the film roll drive motor 1 is connected to the film roll output shaft 7 through a composite gear transmission mechanism 8. The film roll output shaft 7 is used to be connected to the film roll shaft of the greenhouse film. The transmission ratio of the composite gear transmission mechanism 8 is 1408. The high-speed, low-torque transmission force output by the film roll drive motor 1 is converted into a low-speed, high-torque transmission force through the composite gear transmission mechanism 8.

[0034] In order to achieve large torque output from a small motor, reduce the actuator space, obtain a larger transmission ratio, increase the output torque while reducing battery consumption, increase the load capacity of the solar film roll-up device, and make the film roll-up more stable and reliable, the composite gear train gear transmission mechanism 8 is designed to include a driving wheel 81, a multi-stage fixed-axis gear train 82 and a planetary gear train 83. The driving wheel 81 is fixed on the output shaft of the film roll-up drive motor 1, and the driving wheel 81 is connected to the multi-stage fixed-axis gear train 82 for transmission, and the output shaft of the multi-stage fixed-axis gear train 82 is the central axis 84 of the planetary gear train 83. The film roll-up device output shaft 7 is fixed on the planetary carrier 85 of the planetary gear train 83, and the film roll-up device output shaft 7 is coaxially arranged with the central axis 84.

[0035] Refer to the attached Figure 4 and 5 In order to realize automatic and rapid fault detection and reporting, a fault detection system 9 is also designed. The fault detection system 9 includes an upper detection component 91, a lower detection component 92 and two position adjustment cam mechanisms 93. The upper detection component 91 and the lower detection component 92 are both contact or proximity sensors. The position adjustment cam mechanism 93 is connected to the output shaft of the film roll drive motor 1. The upper detection component 91 and the lower detection component 92 are respectively arranged corresponding to the rotating cams 931 of the two position adjustment cam mechanisms 93, so that when the film roll drives the film roll shaft to reel in and unwind the film to the set position, the upper detection component 91 and the lower detection component 92 are respectively triggered. The upper detection component 91 and the lower detection component 92 are both connected to the control unit 5. The control unit 5 or the host computer 6 is also connected to a timing module 94, and the host computer 6 is also connected to an alarm module 95.

[0036] When it is necessary to start the film roll, the upper computer 6 sends a control signal to the control unit 5 through the wireless transmission module 4. The control unit 5 starts the film roll drive motor 1 to drive the film roll shaft to perform film collection or film release operations. At the same time, the timing module 94 counts. When the film collection or film release reaches the limit position within the set time, the raised contours 9311 of the two rotating cams 931 respectively contact or approach the upper detection component 91 or the lower detection component 92 to trigger the detection component to send a signal to the control unit 5. The control unit 5 uploads the signal to the upper computer 6 through the wireless transmission module 4. If the film collection or film release does not reach the limit position within the set time, it means that the film roll or related equipment has a fault. At this time, the upper computer 6 cannot receive the detection signal uploaded by the control unit 5 within the set time. The upper computer 6 controls the alarm module 95 to issue an alarm. The alarm can be an early warning text message, a voice early warning prompt, etc., to prompt the operator that a fault has occurred. The upper computer 6 can be a mobile phone or a computer terminal. The mobile phone can be delivered to the control personnel more quickly, which is more efficient.

[0037] Example 2

[0038] Reference Figure 1 and Figure 2 The present embodiment provides an intelligent greenhouse equipped with a solar automatic film roll. The film on both sides and / or the top of the greenhouse is driven by an electric film roll to rotate the film roll shaft forward or reversely to realize film collection and film release. The electric film roll is a solar electric film roll, including a film roll drive motor 1, a solar panel 2, a battery 3, a wireless data transmission module 4 and a control unit 5. The film roll drive motor 1, the solar panel 2, the battery 3 and the wireless data transmission module 4 are all connected to the control unit 5. The solar panel 2 is used to receive solar energy and convert it into electrical energy and store it in the battery 3. The battery 3 supplies power to the film roll drive motor 1 and the system. The control unit 5 transmits data with the host computer 6 through the wireless data transmission module 4, and controls the action of the film roll drive motor 1 according to the control instructions issued by the host computer 6.

[0039] The film roll drive motor 1 is a small DC motor of 6-8V. The output shaft of the film roll drive motor 1 is connected to the film roll output shaft 7 through a composite gear transmission mechanism 8. The film roll output shaft 7 is used to be connected to the film roll shaft of the greenhouse film. The transmission ratio of the composite gear transmission mechanism 8 is 1408. The high-speed, low-torque transmission force output by the film roll drive motor 1 is converted into a low-speed, high-torque transmission force through the composite gear transmission mechanism 8.

[0040] Refer to the attached Figure 3In order to achieve a large torque output from a small motor and reduce the actuator space, a larger transmission ratio is obtained, the output torque is increased while reducing battery power consumption, the load capacity of the solar film roll-up device is increased, and the film roll-up device is more stable and reliable. The composite gear train gear transmission mechanism 8 is designed to include a driving wheel 81, a multi-stage fixed-axis gear train 82 and a planetary gear train 83. The driving wheel 81 is fixed on the output shaft of the film roll-up drive motor 1, and the driving wheel 81 is connected to the multi-stage fixed-axis gear train 82 in transmission, and the output shaft of the multi-stage fixed-axis gear train 82 is the central axis 84 of the planetary gear train 83. The film roll-up device output shaft 7 is fixed on the planetary frame 85 of the planetary gear train 83, and the film roll-up device output shaft 7 is coaxially arranged with the central axis 84.

[0041] Refer to the attached Figure 4 and 5 In order to realize automatic and rapid fault detection and reporting, a fault detection system 9 is also designed. The fault detection system 9 includes an upper detection component 91, a lower detection component 92 and two position adjustment cam mechanisms 93. The upper detection component 91 and the lower detection component 92 are both contact or proximity sensors. The position adjustment cam mechanism 93 is connected to the output shaft of the film roll drive motor 1. The upper detection component 91 and the lower detection component 92 are respectively arranged corresponding to the rotating cams 931 of the two position adjustment cam mechanisms 93, so that when the film roll drives the film roll shaft to reel in and unwind the film to the set position, the upper detection component 91 and the lower detection component 92 are respectively triggered. The upper detection component 91 and the lower detection component 92 are both connected to the control unit 5. The control unit 5 or the host computer 6 is also connected to a timing module 94, and the host computer 6 is also connected to an alarm module 95.

[0042] When it is necessary to start the film roll, the upper computer 6 sends a control signal to the control unit 5 through the wireless transmission module 4. The control unit 5 starts the film roll drive motor 1 to drive the film roll shaft to perform film collection or film release operations. At the same time, the timing module 94 counts. When the film collection or film release reaches the limit position within the set time, the raised contours 9311 of the two rotating cams 931 respectively contact or approach the upper detection component 91 or the lower detection component 92 to trigger the detection component to send a signal to the control unit 5. The control unit 5 uploads the signal to the upper computer 6 through the wireless transmission module 4. If the film collection or film release does not reach the limit position within the set time, it means that the film roll or related equipment has a fault. At this time, the upper computer 6 cannot receive the detection signal uploaded by the control unit 5 within the set time. The upper computer 6 controls the alarm module 95 to issue an alarm. The alarm can be an early warning text message, a voice early warning prompt, etc., to prompt the operator that a fault has occurred. The upper computer 6 can be a mobile phone or a computer terminal. The mobile phone can be delivered to the control personnel more quickly, which is more efficient.

[0043] Example 3

[0044] Reference Figure 1 and Figure 2The present embodiment provides a solar electric film roll, including a film roll drive motor 1, a solar cell panel 2, a battery 3, a wireless data transmission module 4 and a control unit 5. The film roll drive motor 1, the solar cell panel 2, the battery 3 and the wireless data transmission module 4 are all connected to the control unit 5. The solar cell panel 2 is used to receive solar energy and convert it into electrical energy and store it in the battery 3. The battery 3 supplies power to the film roll drive motor 1 and the system. The control unit 5 transmits data with the host computer 6 through the wireless data transmission module 4, and controls the action of the film roll drive motor 1 according to the control instructions issued by the host computer 6.

[0045] Refer to the attached Figure 3 The film roll drive motor 1 is a small DC motor of 6-8V. The output shaft of the film roll drive motor 1 is connected to the film roll output shaft 7 through a composite gear transmission mechanism 8. The film roll output shaft 7 is used to be connected to the film roll shaft of the greenhouse film. The transmission ratio of the composite gear transmission mechanism 8 is 1408. The high-speed, low-torque transmission force output by the film roll drive motor 1 is converted into a low-speed, high-torque transmission force through the composite gear transmission mechanism 8.

[0046] In order to achieve large torque output from a small motor, reduce the actuator space, obtain a larger transmission ratio, increase the output torque while reducing battery consumption, increase the load capacity of the solar film roll-up device, and make the film roll-up more stable and reliable, the composite gear train gear transmission mechanism 8 is designed to include a driving wheel 81, a multi-stage fixed-axis gear train 82 and a planetary gear train 83. The driving wheel 81 is fixed on the output shaft of the film roll-up drive motor 1, and the driving wheel 81 is connected to the multi-stage fixed-axis gear train 82 for transmission, and the output shaft of the multi-stage fixed-axis gear train 82 is the central axis 84 of the planetary gear train 83. The film roll-up device output shaft 7 is fixed on the planetary carrier 85 of the planetary gear train 83, and the film roll-up device output shaft 7 is coaxially arranged with the central axis 84.

[0047] Refer to the attached Figure 4 and 5 In order to realize automatic and rapid fault detection and reporting, a fault detection system 9 is also designed. The fault detection system 9 includes an upper detection component 91, a lower detection component 92 and two position adjustment cam mechanisms 93. The position adjustment cam mechanism 93 is connected to the output shaft of the film roll drive motor 1. The upper detection component 91 and the lower detection component 92 are respectively arranged corresponding to the rotating cams 931 of the two position adjustment cam mechanisms 93, so that when the film roll drives the film roll shaft to reel in and unwind the film to the set position, the upper detection component 91 and the lower detection component 92 are respectively triggered. The upper detection component 91 and the lower detection component 92 are both connected to the control unit 5. The control unit 5 or the host computer 6 is also connected to a timing module 94, and the host computer 6 is also connected to an alarm module 95.

[0048] In order to make the detection component run more stably and less prone to failure, the upper detection component 91 and the lower detection component 92 of this embodiment use limit switches, the adjustment cam mechanism 93 includes a rotating cam 931 and a cam adjustment toothed disc 932 coaxially fixed with the rotating cam 931, the cam adjustment toothed disc 932 is connected to the output shaft of the film roll driving motor 1, the upper detection component 91 and the lower detection component 92 respectively include a state detection switch and a motor power-off switch, and each rotating cam 931 is respectively provided with two raised profiles 9311, and the two raised profiles 9311 correspond to the trigger state detection switch and the motor power-off switch respectively;

[0049] The cam adjustment toothed disc 932 is connected to the output shaft of the film roll driving motor 1 through a multi-stage fixed-axis gear train 82. The adjustment cam mechanism 93 also includes a knob 933 and a rotating shaft 934. The film roll is also fixed with an upper fixed plate 10 and a lower fixed plate 11 arranged in parallel. The adjustment cam mechanism 93 is arranged between the upper fixed plate 10 and the lower fixed plate 11. The knob 933 and the cam adjustment toothed disc 932 are respectively fixed to the two ends of the rotating cam 931. The cam adjustment toothed disc 932 and the rotating cam 931 are rotatably arranged on the rotating cam 931. The cam 931 is rotatable and can slide axially along the rotating shaft 934. One end of the rotating shaft 934 is fixed on the lower positioning plate 11. The outer end of the knob 933 extends out through the knob hole on the upper positioning plate 10. A spring 935 is sleeved on the rotating shaft 934, and the spring 935 is pressed between the cam adjusting gear plate 932 and the lower positioning plate 11. By pressing down the knob 933, the cam adjusting gear plate 932 can be disengaged from the gear of the multi-stage fixed axis gear train 82, and then the knob 933 is rotated to adjust the angle of the rotating cam 931 and then reset, thereby achieving the purpose of adjusting the limit.

[0050] Refer to the attached Figure 1In order to ensure the sealing of the film roll and prevent rain or water vapor from entering and damaging the internal electrical components, the structure of the film roll housing 12 is designed as follows: the film roll housing 12 is a sealed housing formed by the upper housing 121 and the lower housing 122, and a sealing ring 123 is provided between the upper housing 121 and the lower housing 122. The outer surface of the upper housing 121 is provided with an operation panel 1211 and a limit adjustment panel 1212. The operation panel 1211 is provided with operation buttons covered with a waterproof film. The operation panel 1211 is also connected to the circuit board of the control unit 5. By operating the operation panel 1211, a control signal can be sent to the control unit 5 to control the film roll drive motor 1. Action, that is, manual control is realized at the end of the film roll equipment, which is convenient for debugging during installation or maintenance. A knob hole is opened on the limit adjustment panel 1212, and the knob 933 is arranged in the film roll housing 12, and one end of the knob 933 extends to the outside of the film roll housing 12 through the knob hole, and a sealing rubber ring 1213 is arranged between the knob 933 and the knob hole, and the film roll output shaft 7 is led out through the shaft hole 1221 on the lower shell 122, and an oil seal 1222 is also arranged between the film roll output shaft 7 and the shaft hole 1221. The oil seal 1222 uses a TC type skeleton oil seal, and a waterproof and breathable valve 124 is also arranged on the upper shell 121 or the lower shell 122.

[0051] A waterproof cover 1214 is provided on the limit adjustment panel 1212. The waterproof cover 1214 is a hinged upper flip cover structure, and the hinge shaft is arranged on the upper side of the waterproof cover 1214. The limit adjustment panel 1212 includes a dial and a transparent cover 12121 that are fitted together, and a sealing groove is arranged between the dial and the transparent cover 12121. The dial and the upper fixed plate 10 can be the same plate. A panel hole is opened on the upper shell 121 at the limit adjustment panel 1212. The transparent cover 12121 is covered at the panel hole and sealed and fixed with the outer edge of the panel hole. The bolts are fixed and the connection is bonded or a sealing rubber ring is added to ensure the sealing. A circular convex rib 12122 is fixed along the annular direction at the knob hole, and the sealing rubber ring 1213 is fixed to the inner side of the circular convex rib 12122 along the annular direction. The sealing structure can maintain the pressure balance inside and outside the film roller while ensuring the sealing, further avoiding the possibility of the sealing structure being damaged, and providing a waterproof foundation for the solar electric film roller.

[0052] Figure 4 The upper detection component 91 in Figure 6 SW1 and SW3B overlap, SW1 is located on the upper side of SW3B and plays the role of state detection, SW3B plays the role of cutting off the motor current. Figure 4 The lower detection component 92 in Figure 6 SW2 and SW3A overlap, SW2 is located on the upper side of SW3A and plays the role of state detection, and SW3A plays the role of cutting off the motor current. The specific working principle is as follows:

[0053] As above Figure 6 As shown, HF2315F motor driver chip (control unit 5), M represents a DC motor (film winding drive motor 1), UOT1 represents a positive pole, and UOT2 represents a negative pole. During operation, when the MCU pin OPEN-D0 outputs a high level, pin 1 of the HF2315F motor driver chip receives a high level signal, causing UOT1 to output a positive voltage and UOT2 to output a negative voltage. The current passes through SW3A's 1-2, passes through the DC motor M, and then passes through SW3B's 5-4 to return to UOT2. The motor drives the gear mechanism to rotate, and the MCU timer starts working. When the cam reaches the upper limit, SW3B's 5-4 is disconnected, and diode D6 reverses and cuts off the current, causing the entire circuit state to be open, and the motor is powered off at both ends and stops rotating. At this time, if SW2 is hit and closed by the cam within the preset range of the timer, the light-emitting diode D2 emits a red light, and the OPEN-JC pin of the MCU detects that the level is pulled low, then it is judged that the equipment is working normally. If SW2 is not hit and closed by the cam within the preset range of the timer, the OPEN-JC pin of the MCU does not detect that the level is pulled low, then the MCU will actively report the equipment failure and promptly notify the farmer of the equipment failure, which requires inspection. The logic of motor reverse shutdown is consistent with the above logic, and vice versa.

[0054] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A solar powered film roll, characterized in that: The invention comprises a film rolling drive motor (1), a solar cell panel (2), a storage battery (3), a wireless data transmission module (4) and a control unit (5), wherein the film rolling drive motor (1), the solar cell panel (2), the storage battery (3) and the wireless data transmission module (4) are all connected to the control unit (5); The output shaft of the film rolling drive motor (1) is used for driving connection with the film rolling shaft of the greenhouse film; The solar panel (2) is used to receive solar energy and convert it into electrical energy and store it in the storage battery (3); The storage battery (3) supplies power to the film rolling drive motor (1) and the system; The control unit (5) transmits data with the host computer (6) through the wireless data transmission module (4), and controls the action of the film rolling drive motor (1) according to the control instructions issued by the host computer (6); It also includes a film rolling device output shaft (7), the film rolling drive motor (1) is a small DC motor of 6-8V, the output shaft of the film rolling drive motor (1) is connected to the film rolling device output shaft (7) through a composite gear transmission mechanism (8), the film rolling device output shaft (7) is used to be connected to the film rolling shaft of the greenhouse film, and the transmission ratio of the composite gear transmission mechanism (8) is greater than or equal to 500; The composite gear train gear transmission mechanism (8) comprises a driving wheel (81), a multi-stage fixed-axis gear train (82) and a planetary gear train (83); the driving wheel (81) is fixed on the output shaft of the film rolling drive motor (1); the driving wheel (81) is in driving connection with the multi-stage fixed-axis gear train (82); the output shaft of the multi-stage fixed-axis gear train (82) is the central shaft (84) of the planetary gear train (83); the film rolling device output shaft (7) is fixed on the planetary frame (85) of the planetary gear train (83); and the film rolling device output shaft (7) is coaxially arranged with the central shaft (84); The invention also comprises a fault detection system (9), the fault detection system (9) comprising an upper detection component (91), a lower detection component (92) and two position adjustment cam mechanisms (93), the position adjustment cam mechanism (93) being connected to the output shaft of the film rolling device driving motor (1) in a driving manner, the upper detection component (91) and the lower detection component (92) being respectively arranged corresponding to the rotating cams (931) of the two position adjustment cam mechanisms (93), so that when the film rolling device drives the film rolling shaft to reel in and unwind the film to a set position, the upper detection component (91) and the lower detection component (92) are respectively triggered, the upper detection component (91) and the lower detection component (92) are both connected to the control unit (5), the control unit (5) or the host computer (6) is also connected to a timing module (94), and the host computer (6) is also connected to an alarm module (95); The upper detection component (91) and the lower detection component (92) are both contact or proximity sensors; The upper detection component (91) and the lower detection component (92) are both limit switches, the adjustment cam mechanism (93) comprises a rotating cam (931) and a cam adjustment toothed disc (932) coaxially fixed to the rotating cam (931), the cam adjustment toothed disc 932 is drivingly connected to the output shaft of the film rolling device driving motor (1), the upper detection component (91) and the lower detection component (92) respectively comprise a state detection switch and a motor power-off switch, and each rotating cam (931) is respectively provided with two raised profiles (9311), and the two raised profiles (9311) respectively correspond to triggering the state detection switch and the motor power-off switch; The cam position adjusting toothed disc (932) is connected to the output shaft of the film rolling device driving motor (1) through a multi-stage fixed-axis gear train (82), the position adjusting cam mechanism (93) also includes a knob (933) and a rotating shaft (934), and the film rolling device is also fixed with an upper fixed plate (10) and a lower fixed plate (11) arranged in parallel, the position adjusting cam mechanism (93) is arranged between the upper fixed plate (10) and the lower fixed plate (11), and the knob (933) and the cam position adjusting toothed disc (932) are respectively fixed At both ends of the rotating cam (931), the cam adjustment toothed disc (932) and the rotating cam (931) are rotatably arranged on a rotating shaft (934) and can slide axially along the rotating shaft (934); one end of the rotating shaft (934) is fixed on the lower positioning plate (11); the outer end of the knob (933) extends out through the knob hole on the upper positioning plate (10); a spring (935) is sleeved on the rotating shaft (934), and the spring (935) is pressed between the cam adjustment toothed disc (932) and the lower positioning plate (11); The film rolling device also includes a film rolling device housing (12), which is a sealed housing formed by buckling an upper housing 121 and a lower housing 122, a sealing ring (123) is provided between the upper housing (121) and the lower housing (122), an operation panel (1211) and a limit adjustment panel (1212) are provided on the outer surface of the upper housing 121, an operation button covered with a waterproof film is provided on the operation panel (1211), a knob hole is provided on the limit adjustment panel (1212), and the knob (933) The film roll housing (12) is arranged inside the film roll housing (12), and one end of the knob (933) extends to the outside of the film roll housing (12) through the knob hole, and a sealing rubber ring (1213) is arranged between the knob 933 and the knob hole, the film roll output shaft (7) is led out through the shaft hole (1221) on the lower housing (122), and an oil seal (1222) is also arranged between the film roll output shaft (7) and the shaft hole (1221), and a waterproof breathable valve (124) is also arranged on the upper housing (121) and / or the lower housing (122); The upper detection component (91) is composed of SW1 and SW3B overlapping each other, SW1 is located on the upper side of SW3B and plays a role in state detection, SW3B plays a role in cutting off the motor current, and the lower detection component (92) is composed of SW2 and SW3A overlapping each other, SW2 is located on the upper side of SW3A and plays a role in state detection, and SW3A plays a role in cutting off the motor current.

2. An intelligent greenhouse equipped with a solar automatic film roll, characterized in that: The film on both sides and / or the top of the greenhouse is driven by an electric film roller to rotate the film roller shaft forward or reversely to achieve film collection and film release. The electric film roller is the solar electric film roller as described in claim 1.

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