Greenhouse light supplementing system
By designing a greenhouse fill light system including fill light, light intensity sensor and control system, the problem of insufficient light in poor weather in greenhouses is solved, automatic fill light is achieved, and crop yield and quality are improved.
Patent Information
- Application Number
- CN202422048026.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-23
- Publication Date
- 2025-05-30
- Estimated Expiration
- 2034-08-23
AI Technical Summary
It is difficult to effectively replenish light in poor weather, affecting the growth of crops.
A greenhouse fill light system is designed, including fill light lamps, light intensity sensors, voltage comparison circuits, controllers, relays, clock circuits, digital potentiometers and wireless modules. The light intensity sensor is used to detect the light intensity in the greenhouse. The controller determines whether the light is filled up based on the clock signal. The relay controls the fill light to turn on.
It realizes automatic detection and supplementation of light in the greenhouse when the weather is poor, ensuring that the crops receive sufficient light during the annual production cycle and improving crop yield and quality.
Smart Images

Figure CN222926980U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of greenhouses, in particular to a greenhouse supplementary lighting system. Background Art
[0002] Greenhouse cultivation is an efficient and controllable agricultural cultivation method. It realizes a non-stop production cycle throughout the year by cultivating crops in a greenhouse with a specific structure. This cultivation method uses materials such as plastic films or glass to cover the greenhouse, creating a relatively enclosed environment, effectively regulating the internal temperature, humidity, and light conditions, thereby providing the best growth environment for crops. Greenhouse cultivation can not only resist the influence of external harsh climates, such as severe cold, drought, or floods, but also improve the yield and quality of crops through precise water and fertilizer management, pest and disease control, and other technical means.
[0003] However, currently, the lighting situation in greenhouses is mainly controlled by a rolling machine. However, when the weather is poor, it is difficult to supplement the lighting in the greenhouse.
[0004] Therefore, a greenhouse supplementary lighting system is proposed to solve or alleviate the above problems. Content of the Utility Model
[0005] The purpose of the utility model is to solve the shortcomings existing in the prior art, and a greenhouse supplementary lighting system is proposed.
[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0007] A greenhouse supplementary lighting system includes
[0008] Supplementary light lamps, which are arranged in the greenhouse for supplementing light to the greenhouse environment;
[0009] A light intensity sensor, which is arranged in the greenhouse and used to collect the ambient light intensity in the greenhouse and feedback the light intensity signal;
[0010] A voltage comparison circuit, the output end of the voltage comparison circuit is coupled to the output end of the light intensity sensor, and the voltage comparison circuit outputs a comparison signal in response to the light intensity signal being greater than a preset light intensity reference signal;
[0011] A controller, the input end of which is coupled to the output end of the voltage comparison circuit, and the controller receives the comparison signal and responds to issue a control signal;
[0012] A relay, the controlled end of which is coupled to the output end of the controller, and the relay receives the control signal to control the conduction of the power supply of the supplementary light lamps.
[0013] Preferably, a clock circuit is further included. The output end of the clock circuit is coupled to the input end of the controller. The clock circuit measures time and sends a clock signal to the controller within the measured time.
[0014] Preferably, a digital potentiometer is further included. The input end of the digital potentiometer is coupled to the output end of the controller, and the output end of the digital potentiometer is coupled to the input end of the clock circuit. The digital potentiometer is controlled by the controller to adjust its resistance value.
[0015] Preferably, a wireless module is further included. The wireless module is coupled to the controller to enable the controller to perform information interaction externally.
[0016] Preferably, the light intensity sensor includes a photoresistor.
[0017] Preferably, the voltage comparison circuit includes a voltage comparator.
[0018] Preferably, the controller includes an 89C52 single-chip microcomputer of the MCS-51 series.
[0019] Preferably, the clock circuit includes a 555 timer chip and an inverter coupled to the input end of the 555 timer chip.
[0020] Preferably, the digital potentiometer includes an X9241 potentiometer.
[0021] Preferably, the wireless module includes an NRF24L01 wireless transceiver module.
[0022] The utility model has the following beneficial effects:
[0023] The utility model detects and feeds back signals through the light intensity sensor. The controller determines whether to supplement light according to the clock signal and does not work at night. The user can remotely adjust the digital potentiometer to control the time. Description of the Drawings
[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present utility model, and thus should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.
[0025] Figure 1 is the structural block diagram of the present utility model;
[0026] Figure 2 is the wiring diagram of the light intensity sensor and the voltage comparison circuit in the present utility model;
[0027] Figure 3This is the wiring diagram of the clock circuit in the present utility model.
[0028] 1. Light intensity sensor; 2. Voltage comparison circuit; 3. Controller; 4. Digital potentiometer; 5. Clock circuit; 6. Wireless module; 7. Relay; 8. Supplementary light. Specific embodiments
[0029] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some but not all of the embodiments of the present utility model. Generally, the components of the embodiments of the present utility model described and illustrated in the accompanying drawings here can be arranged and designed in various different configurations.
[0030] Therefore, the following detailed description of the embodiments of the present utility model provided in the drawings is not intended to limit the scope of the present utility model claimed, but merely represents selected embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.
[0031] It should be noted that: like reference numerals and letters denote like items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.
[0032] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship when the product of this utility model is normally placed, or the orientation or positional relationship commonly understood by those skilled in the art. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present utility model.
[0033] In addition, the terms "first", "second", "third", etc. are only used for descriptive distinction and should not be construed as indicating or implying relative importance.
[0034] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and defined, the terms "arranged", "installed", "connected", and "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.
[0035] A greenhouse supplementary lighting system, as Figures 1-3 shown, includes a supplementary light 8, a light intensity sensor 1, a voltage comparison circuit 2, a controller 3, a relay 7, a clock circuit 5, a digital potentiometer 4, and a wireless module 6. Specifically, the light intensity sensor 1 includes a photosensitive resistor, the voltage comparison circuit 2 includes a voltage comparator, the controller 3 includes an 89C52 single-chip microcomputer of the MCS-51 series, the clock circuit 5 includes a 555 time base chip and an inverter coupled to the input end of the 555 time base chip, the digital potentiometer 4 includes an X9241 potentiometer, and the wireless module 6 includes an NRF24L01 wireless transceiver module.
[0036] The supplementary light 8 is arranged in the greenhouse to supplement light to the greenhouse environment; the light intensity sensor 1 is arranged in the greenhouse and is used to collect the ambient light intensity in the greenhouse and feedback a light intensity signal; the output end of the voltage comparison circuit 2 is coupled to the output end of the light intensity sensor 1, and the voltage comparison circuit 2 outputs a comparison signal after the light intensity signal is greater than a preset light intensity reference signal therein; the input end of the controller 3 is coupled to the output end of the voltage comparison circuit 2, and the controller 3 responds and issues a control signal after receiving the comparison signal; the controlled end of the relay 7 is coupled to the output end of the controller 3, and the relay 7 receives the control signal to control the power supply of the supplementary light 8 to be turned on. The output end of the clock circuit 5 is coupled to the input end of the controller 3, and the clock circuit 5 measures time and issues a clock signal to the controller 3 within the measured time. The input end of the digital potentiometer 4 is coupled to the output end of the controller 3, the output end of the digital potentiometer 4 is coupled to the input end of the clock circuit 5, and the digital potentiometer 4 is controlled by the controller 3 to adjust the resistance value. The wireless module 6 is coupled to the controller 3 to enable the controller 3 to perform information interaction externally.
[0037] In actual application of the present utility model, the environmental light intensity in the greenhouse is detected by the light intensity sensor 1, and then a light intensity signal is fed back to the voltage comparison circuit 2. The voltage comparison circuit 2 compares the light intensity signal with the light intensity reference signal, and outputs a comparison signal to the controller 3 when it determines that the light intensity signal is less than the light intensity reference signal. At this time, the controller 3 will make a judgment in combination with the clock signal provided by the clock circuit 5. If the comparison signal is also received during daylight hours, a control signal will be sent to the relay 7, so that the supplementary light 8 is powered on and starts to work, and the plants in the greenhouse are supplemented with light by the supplementary light 8. If the comparison signal is received during night hours, no control signal will be sent, so that the supplementary light 8 will not work. At the same time, the user can adjust the digital potentiometer 4 through the controller 3 via the wireless module 6, and then adjust the time provided by the clock circuit 5, so that the user can perform remote operations without arriving at the site.
[0038] The above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. For those skilled in the art, the present utility model can have various changes and modifications. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.
Claims
1. A greenhouse lighting system, characterized in that: include A fill light (8), the fill light (8) being arranged in the greenhouse for providing fill light to the environment in the greenhouse; A light intensity sensor (1), which is arranged in the greenhouse and is used to collect the ambient light intensity in the greenhouse and feed back a light intensity signal; A voltage comparison circuit (2), wherein an output end of the voltage comparison circuit (2) is coupled to an output end of the light intensity sensor (1), and the voltage comparison circuit (2) outputs a comparison signal in response to the light intensity signal being greater than a preset light intensity reference signal; A controller (3), whose input end is coupled to the output end of the voltage comparison circuit (2), and the controller (3) responds and sends a control signal after receiving the comparison signal; A relay (7) has a controlled end coupled to an output end of the controller (3), and the relay (7) receives a control signal to control the fill light (8) to turn on the power supply.
2. A greenhouse lighting system according to claim 1, characterized in that: It also comprises a clock circuit (5), the output end of the clock circuit (5) is coupled to the input end of the controller (3), and the clock circuit (5) counts time and sends a clock signal to the controller (3) within the timing time.
3. A greenhouse lighting system according to claim 2, characterized in that: It also includes a digital potentiometer (4), the input end of the digital potentiometer (4) is coupled to the output end of the controller (3), the output end of the digital potentiometer (4) is coupled to the input end of the clock circuit (5), and the digital potentiometer (4) is controlled by the controller (3) to adjust the resistance value.
4. The greenhouse lighting system according to claim 1, characterized in that: It also includes a wireless module (6), which is coupled to the controller (3) to enable the controller (3) to perform information interaction with the outside.
5. The greenhouse lighting system according to claim 1, characterized in that: The light intensity sensor (1) comprises a photoresistor.
6. The greenhouse lighting system according to claim 1, characterized in that: The voltage comparison circuit (2) comprises a voltage comparator.
7. The greenhouse lighting system according to claim 1, characterized in that: The controller (3) includes an 89C52 single-chip microcomputer of the MCS-51 series.
8. The greenhouse lighting system according to claim 2, characterized in that: The clock circuit (5) comprises a 555 time base chip and an inverter coupled to the input end of the 555 time base chip.
9. The greenhouse lighting system according to claim 3, characterized in that: The digital potentiometer (4) comprises an X9241 potentiometer.
10. The greenhouse lighting system according to claim 4, characterized in that: The wireless module (6) comprises an NRF24L01 wireless transceiver module.