Plant illumination regulation and control method, system and device based on ultrasonic sensor

Abstract

The invention provides a plant illumination regulation and control method, system and device based on an ultrasonic sensor, and relates to the technical field of artificial intelligence and Internet of Things, in particular to the field of smart forestry. The method comprises the following steps: acquiring an ultrasonic echo signal returned by a detected plant under the condition that an ultrasonic sensor is used for sending an original ultrasonic signal to the detected plant; performing electric digital data processing on the ultrasonic echo signal to generate an illumination signal matched with the current plant growth state of the detected plant; and regulating and controlling an illumination module by utilizing the illumination signal, and generating illumination information matched with the current plant growth state.

Description

Technical Field

[0001] The present invention relates to the fields of artificial intelligence and Internet of Things technology, in particular to the field of smart forestry, and more specifically to a plant light regulation method, system and device based on an ultrasonic sensor. Background Art

[0002] Light is one of the most important factors affecting plant growth and development. Different plants have different requirements for light conditions at different growth stages. In a plant factory that efficiently produces under completely closed or semi-closed conditions through high-precision environmental control, specific light conditions are provided to plants in a targeted manner. On the basis of meeting the growth and development of plants, it not only improves the efficiency of photoelectric utilization, but also significantly reduces energy consumption and production costs.

[0003] In the process of realizing the concept of the present invention, the inventors found that there are at least the following problems in the related technology: the traditional plant lighting system relies solely on cultivation experience to manually control lighting conditions, irradiation intensity and irradiation band, and cannot achieve real-time response. Summary of the invention

[0004] In view of this, the present invention provides a plant light regulation method, system and device based on ultrasonic sensors.

[0005] One aspect of the present invention provides a plant light control method based on an ultrasonic sensor, comprising: obtaining an ultrasonic echo signal returned by the detected plant while sending an original ultrasonic signal to the detected plant using an ultrasonic sensor; performing electrical digital data processing on the ultrasonic echo signal to generate a light signal that is compatible with the current plant growth state of the detected plant; and using the light signal to control a light module to generate light information that is compatible with the current plant growth state.

[0006] Another aspect of the present invention provides a plant light control system based on an ultrasonic sensor, which is used to implement the plant light control method based on an ultrasonic sensor of the present invention. The system includes: an ultrasonic sensor, configured to send an original ultrasonic signal to a detected plant; a board-level data processing module, configured to receive an ultrasonic echo signal returned by the detected plant, and to perform electrical digital processing on the ultrasonic echo signal to generate a light signal that matches the current plant growth state of the detected plant; and a light module, configured to respond to the light signal and generate light information that matches the current plant growth state.

[0007] Another aspect of the present invention provides a plant light control device based on an ultrasonic sensor, comprising: an ultrasonic echo signal acquisition module, used to acquire an ultrasonic echo signal returned by a detected plant when an original ultrasonic signal is sent to the detected plant by using an ultrasonic sensor; an electrical digital data processing module, used to perform electrical digital data processing on the ultrasonic echo signal to generate a light signal that is compatible with the current plant growth state of the detected plant; and a control module, used to control the light module using the light signal to generate light information that is compatible with the current plant growth state. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] The above and other objects, features and advantages of the present invention will become more apparent through the following description of the embodiments of the present invention with reference to the accompanying drawings, in which:

[0009] Figure 1 An exemplary system architecture to which an ultrasonic sensor-based plant light regulation method according to an embodiment of the present invention can be applied is shown;

[0010] Figure 2 A flow chart of a method for controlling plant light based on an ultrasonic sensor according to an embodiment of the present invention is shown;

[0011] Figure 3 A schematic diagram of a board-level data processing module according to an embodiment of the present invention is shown;

[0012] Figure 4 A schematic diagram of a plant growth data collection module according to an embodiment of the present invention is shown;

[0013] Figure 5 A schematic diagram of a plant light regulation system based on an ultrasonic sensor according to an embodiment of the present invention is shown;

[0014] Figure 6 A block diagram of a plant light regulation device based on an ultrasonic sensor according to an embodiment of the present invention is shown;

[0015] Figure 7 A block diagram of an electronic device suitable for implementing a plant light regulation method based on an ultrasonic sensor according to an embodiment of the present invention is shown. DETAILED DESCRIPTION

[0016] Below, embodiments of the present invention will be described with reference to the accompanying drawings. However, it should be understood that these descriptions are exemplary only and are not intended to limit the scope of the present invention. In the following detailed description, for ease of explanation, many specific details are set forth to provide a comprehensive understanding of embodiments of the present invention. However, it is apparent that one or more embodiments may also be implemented without these specific details. In addition, in the following description, descriptions of known structures and technologies are omitted to avoid unnecessary confusion of concepts of the present invention.

[0017] The terms used herein are only for describing specific embodiments and are not intended to limit the present invention. The terms "comprise", "include", etc. used herein indicate the existence of the features, steps, operations and / or components, but do not exclude the existence or addition of one or more other features, steps, operations or components.

[0018] All terms (including technical and scientific terms) used herein have the meanings commonly understood by those skilled in the art unless otherwise defined. It should be noted that the terms used herein should be interpreted as having a meaning consistent with the context of this specification and should not be interpreted in an idealized or overly rigid manner.

[0019] When using expressions such as "at least one of A, B, and C, etc.", they should generally be interpreted according to the meaning of the expression commonly understood by those skilled in the art (for example, "a system having at least one of A, B, and C" should include but is not limited to a system having A alone, B alone, C alone, A and B, A and C, B and C, and / or A, B, C, etc.).

[0020] In the embodiments of the present invention, the collection, updating, analysis, processing, use, transmission, provision, disclosure, storage and other aspects of the data involved (for example, including but not limited to user personal information) are in compliance with the provisions of relevant laws and regulations, are used for legitimate purposes, and do not violate public order and good morals. In particular, necessary measures are taken for user personal information to prevent illegal access to user personal information data and maintain the security of user personal information, network security and national security.

[0021] In the embodiment of the present invention, before obtaining or collecting the user's personal information, the user's authorization or consent is obtained.

[0022] The lighting conditions in a plant factory generally include parameters such as light quality (light radiation band), light intensity and photoperiod, which are crucial to plant growth and development. Among them, light in different bands has different biological effects on different types of plants; suitable light intensity can steadily increase the photosynthetic rate and transpiration rate of plants, improve plant production capacity and growth and development speed; photoperiod can regulate the physiological and biochemical characteristics of plants to control the cultivation cycle.

[0023] For high value-added economic plants, LED (Light Emitting Diode) artificial lighting technology has been implemented to improve their growth quality. However, this technology is currently mainly based on body equipment, involving many devices and complex connections, which leads to its high cost and high space requirements. Body equipment has almost no potential for miniaturization and integration. It can only provide light radiation of a single wavelength and intensity for the same culture area, and the light radiation parameters are usually controlled manually. Human errors are inevitable, which further limits its application scenarios. Under the current requirements of "small batch, multiple varieties, and high quality" for economic crops, especially flower crops, different parameters of lighting conditions are often required for a single culture area. This requirement further amplifies the limitations of traditional LED artificial lighting technology.

[0024] Ultrasonic sensors can use the propagation characteristics of ultrasonic waves to continuously and non-contactly measure the distance and size of target objects accurately, eliminating human monitoring errors. However, in the field of plant cultivation, especially cash crop cultivation, this application is still in its infancy and lacks mature and complete technical solutions.

[0025] In the process of realizing the concept of the present invention, the inventors found that the traditional plant lighting system has no sensor configuration and relies solely on cultivation experience to manually control the lighting conditions, and the irradiation intensity and irradiation band cannot achieve real-time response.

[0026] The embodiments of the present invention provide a method, system and device for controlling plant light based on an ultrasonic sensor, which relates to the fields of artificial intelligence and the Internet of Things, and in particular to the field of smart forestry. The method includes: obtaining an ultrasonic echo signal returned by the detected plant while using an ultrasonic sensor to send an original ultrasonic signal to the detected plant; performing electrical digital data processing on the ultrasonic echo signal to generate a light signal that matches the current plant growth state of the detected plant; and controlling the light module using the light signal to generate light information that matches the current plant growth state.

[0027] Figure 1 An exemplary system architecture 100 to which a method for controlling plant light intensity based on an ultrasonic sensor can be applied according to an embodiment of the present invention is shown. It should be noted that: Figure 1 The examples shown are merely examples of system architectures to which the embodiments of the present invention may be applied, to help those skilled in the art understand the technical content of the present invention, but do not mean that the embodiments of the present invention may not be used in other devices, systems, environments or scenarios.

[0028] like Figure 1As shown, the system architecture 100 according to this embodiment may include a first terminal device 101, a second terminal device 102, a third terminal device 103, a network 104, and a server 105. The network 104 is used to provide a medium for a communication link between the first terminal device 101, the second terminal device 102, the third terminal device 103, and the server 105. The network 104 may include various connection types, such as wired and / or wireless communication links, etc.

[0029] The user can use the first terminal device 101, the second terminal device 102, and the third terminal device 103 to interact with the server 105 through the network 104 to receive or send messages, etc. Various sensor client applications or other intelligent applications capable of remotely controlling devices can be installed on the first terminal device 101, the second terminal device 102, and the third terminal device 103, but are not limited thereto.

[0030] The first terminal device 101, the second terminal device 102, and the third terminal device 103 may be various electronic devices having display screens and supporting web browsing, including but not limited to smart phones, tablet computers, laptop computers, desktop computers, and the like.

[0031] The server 105 may be a server that provides various services, such as a background management server (only as an example) that provides support for websites browsed by users using the first terminal device 101, the second terminal device 102, and the third terminal device 103. The background management server may analyze and process the received data such as user requests, and feed back the processing results (such as web pages, information, or data obtained or generated according to user requests) to the terminal device.

[0032] It should be noted that the plant light regulation method based on ultrasonic sensors provided in the embodiment of the present invention can generally be executed by the server 105. Accordingly, the plant light regulation system or device based on ultrasonic sensors provided in the embodiment of the present invention can generally be set in the server 105. The plant light regulation method based on ultrasonic sensors provided in the embodiment of the present invention can also be executed by a server or server cluster that is different from the server 105 and can communicate with the first terminal device 101, the second terminal device 102, the third terminal device 103 and / or the server 105. Correspondingly, the plant light regulation system or device based on ultrasonic sensors provided in the embodiment of the present invention can also be set in a server or server cluster that is different from the server 105 and can communicate with the first terminal device 101, the second terminal device 102, the third terminal device 103 and / or the server 105. Alternatively, the plant light regulation method based on ultrasonic sensors provided in the embodiment of the present invention can also be executed by the first terminal device 101, the second terminal device 102, or the third terminal device 103, or can also be executed by other terminal devices different from the first terminal device 101, the second terminal device 102, or the third terminal device 103. Correspondingly, the ultrasonic sensor-based plant light control system or device provided in the embodiment of the present invention can also be set in the first terminal device 101, the second terminal device 102, or the third terminal device 103, or in other terminal devices different from the first terminal device 101, the second terminal device 102, or the third terminal device 103.

[0033] For example, the ultrasonic echo signal may be originally obtained by any one of the first terminal device 101, the second terminal device 102, or the third terminal device 103 (for example, the first terminal device 101, but not limited thereto), or may be obtained by an external storage device and may be imported into the first terminal device 101. Then, the first terminal device 101 may locally execute the plant light regulation method based on the ultrasonic sensor provided in the embodiment of the present invention, or send the ultrasonic echo signal to other terminal devices, servers, or server clusters, and the other terminal devices, servers, or server clusters that receive the ultrasonic echo signal may execute the plant light regulation method based on the ultrasonic sensor provided in the embodiment of the present invention.

[0034] It should be understood that Figure 1 The number of terminal devices, networks and servers in the embodiment is only for illustration. Any number of terminal devices, networks and servers may be provided according to implementation requirements.

[0035] Figure 2 A flow chart of a plant light regulation method based on an ultrasonic sensor according to an embodiment of the present invention is shown.

[0036] like Figure 2As shown, the method includes operations S201 to S203.

[0037] In operation S201 , when an original ultrasonic signal is transmitted to a detected plant by using an ultrasonic sensor, an ultrasonic echo signal returned by the detected plant is acquired.

[0038] In operation S202, the ultrasonic echo signal is subjected to electrical digital data processing to generate a light signal adapted to the current plant growth state of the detected plant.

[0039] According to an embodiment of the present invention, electrical digital data processing may include at least one of signal amplification, signal filtering, noise elimination, signal conversion, and the like, and may not be limited thereto. As long as the ultrasonic echo signal can be processed into a light signal, it will suffice. The light signal may represent an electrical signal that can adjust the lighting module to display the lighting information that is compatible with the current growth state of the plant. The current plant growth state can be determined based on the signal attributes of the ultrasonic echo signal, which may include but is not limited to the level information and delay information of the signal. The current plant growth state may include growth data such as plant height, ground diameter, new shoot growth, and current year branch diameter, and may not be limited thereto.

[0040] In operation S203, the illumination module is regulated by using the illumination signal to generate illumination information adapted to the current growth state of the plant.

[0041] Through the above-mentioned embodiments of the present invention, the plant growth process can be monitored in real time by ultrasonic technology, and the growth data of the detected plants can be collected. The irradiation conditions required by the plants can be optimized and adjusted according to the real-time growth data feedback, which is conducive to assisting the construction of a scientific, precise and efficient plant cultivation model.

[0042] According to an embodiment of the present invention, the operation S202 may include: performing digital processing on the ultrasonic echo signal to obtain a digital signal. Generating a first light source circuit start signal according to first level information and first delay information of the digital signal, wherein the first light source circuit start signal is used to control the corresponding light source circuit to be in an on state. Amplifying the first light source circuit start signal to obtain a light signal.

[0043] According to an embodiment of the present invention, a control circuit controlled by a level threshold and a duration threshold may be pre-set, and configured to control a corresponding source circuit to be turned on when, for example, the received level information is higher or lower than the level threshold, and to control another corresponding source circuit to be turned on when the delay information is higher or lower than the duration threshold. Based on this configuration, the digital signal can be processed by the aforementioned control circuit to generate a first light source circuit start signal.

[0044] According to an embodiment of the present invention, the first light source circuit start-up signal can be directly used as the illumination signal. The illumination signal can also be obtained by amplifying the first light source circuit start-up signal, which is not limited here. The latter can further improve the accuracy of the illumination information generated by the illumination module by regulating the generated illumination signal.

[0045] Through the above-mentioned embodiments of the present invention, the automatic output of the illumination signal for regulating the illumination module can be realized through a simple circuit design, thereby ensuring the automatic regulation capability.

[0046] According to an embodiment of the present invention, the above operation S202 may include: digitizing the ultrasonic echo signal to obtain a digital signal. Analyzing the digital signal to obtain the current plant growth state of the detected plant. Generating an electrical signal corresponding to the illumination information required for the current plant growth state according to the collected plant growth physical information and the current plant growth state. Generating a second light source circuit start signal according to the second level information and the second delay information of the electrical signal. Amplifying the second light source circuit start signal to obtain an illumination signal.

[0047] According to an embodiment of the present invention, by collecting the correspondence between the level, delay and other information in the digital signal determined based on the ultrasonic echo signal and the plant growth status of various types of plants, and by analyzing the teammate relationship, the digital signal can be analyzed to obtain the current plant growth status of the detected plant.

[0048] According to the embodiments of the present invention, artificial intelligence crawler technology can be combined to automatically crawl external information related to plant growth from public data sources, including but not limited to plant growth models and crop growth trends based on different climate environment data, as collected plant growth physical information. Based on the plant growth physical information, the current plant growth state is analyzed to determine the lighting information required for the current plant growth state.

[0049] According to an embodiment of the present invention, in a circuit system based on the aforementioned control circuit design, the final display mode of the illumination information is regulated by the switch state of the light source circuit, and the switch state of the light source circuit can be controlled by an electrical signal in this embodiment. Therefore, the illumination information and the electrical signal can have a preset corresponding relationship. On the basis of the illumination information required for the current plant growth state that has been determined, the electrical signal corresponding to the illumination information can be determined according to the aforementioned corresponding relationship.

[0050] According to an embodiment of the present invention, the specific implementation method of generating the second light source circuit start signal according to the second level information and the second delay information of the electrical signal may be the same as or similar to the specific implementation method of generating the first light source circuit start signal according to the first level information and the first delay information of the digital signal, and is not limited here.

[0051] According to an embodiment of the present invention, the second light source circuit start-up signal can be directly used as the illumination signal. The second light source circuit start-up signal can also be amplified to obtain the illumination signal. The specific implementation method of amplifying the second light source circuit start-up signal to obtain the illumination signal can be the same or similar to the specific implementation method of amplifying the first light source circuit start-up signal to obtain the illumination signal, and can have similar technical effects, which is not limited here.

[0052] According to an embodiment of the present invention, the above-mentioned generating an electrical signal corresponding to the illumination information required for the current plant growth state based on the collected plant growth physical information and the current plant growth state may include: determining illumination parameter adjustment information adapted to the current plant growth state based on the plant growth physical information. Converting the illumination parameter adjustment information to obtain an electrical signal.

[0053] According to an embodiment of the present invention, the illumination parameter adjustment information can represent the adjustment method of the illumination information required for the current plant growth state relative to the currently unupdated illumination information. The electrical signal can also be determined based on the adjustment method to achieve the adaptation of the illumination information finally regulated based on the electrical signal to the currently required illumination information.

[0054] Through the above-mentioned embodiments of the present invention, the automatic output of the illumination signal for regulating the illumination module can be realized by constructing a corresponding basic model, thereby ensuring the automatic regulation capability.

[0055] According to an embodiment of the present invention, with respect to the above-mentioned method for controlling plant light based on an ultrasonic sensor, an embodiment of the present invention further designs a system for controlling plant light based on an ultrasonic sensor for supporting the implementation of the above-mentioned method.

[0056] According to an embodiment of the present invention, a plant light control system based on an ultrasonic sensor may include: an ultrasonic sensor, a board-level data processing module, and a light module. The ultrasonic sensor may be configured to send an original ultrasonic signal to the detected plant. The board-level data processing module may be configured to receive an ultrasonic echo signal returned by the detected plant, and perform electrical digital processing on the ultrasonic echo signal to generate a light signal that matches the current plant growth state of the detected plant. The light module may be configured to respond to the light signal and generate light information that matches the current plant growth state.

[0057] According to an embodiment of the present invention, the ultrasonic sensor may include but is not limited to using a traditional ultrasonic probe, a traditional ultrasonic focusing probe, and an ultrasonic transducer based on MEMS (Micro-Electro-Mechanical System) technology. The excitation signal required by the ultrasonic sensor may be an AC signal, including but not limited to a continuous wave, a pulse wave, etc., and may not be limited thereto. The ultrasonic sensor may change different operating frequencies according to the specific usage scenario, and judge the specific growth condition of the plant by the flight time.

[0058] According to an embodiment of the present invention, the board-level data processing module may be a module including at least one of the electronic digital data processing functions such as signal amplification, signal filtering, noise elimination, and signal conversion, and may be configured with the aforementioned control circuit controlled by the level threshold and the duration threshold. The specific circuit structure is not limited here.

[0059] According to an embodiment of the present invention, the illumination module may include an LED illumination module, but is not limited thereto. The LED illumination module may include, but is not limited to, a monochrome LED, a wide-band LED, and its composition may include, but is not limited to, a single LED emitter, board-level bonding of different monochrome LED emitters, etc., but is not limited thereto.

[0060] Through the above embodiments of the present invention, through the circuit design and board-level integration of sensors and illumination, the integrated control of the electrical injection signal of the illumination module by the ultrasonic signal can be realized, and real-time feedback adjustment can be achieved. The sensor equipment has the characteristics of high precision and low cost, which will help plant factories to achieve more accurate, convenient and efficient light formula optimization, thereby maximizing the quality and quantity of crop growth and development, and improving plant planting efficiency and economic benefits per unit area.

[0061] According to an embodiment of the present invention, an ultrasonic sensor may include: a signal source, an amplifier, and an ultrasonic probe. The signal source may be configured to generate an initial AC signal. The amplifier may be configured to amplify the initial AC signal to obtain an amplified AC signal. The ultrasonic probe may be configured to generate an original ultrasonic signal in response to the amplified AC signal.

[0062] According to an embodiment of the present invention, the signal source may be an external AC (Alternating Current) signal. When it is necessary to generate original ultrasonic information to detect plant growth conditions, the signal source may generate a required frequency pulse signal, such as an AC signal, which is passed through a boost circuit constructed by an amplifier to generate a high-voltage excitation pulse to excite the ultrasonic sensor to emit ultrasonic waves, thereby obtaining an original ultrasonic signal.

[0063] According to an embodiment of the present invention, the board-level data processing module may include: a first amplification function area, a filtering function area, a gain amplification function area, a detection function area, a judgment function area, and a second amplification function area. Among them, the first amplification function area can be configured to perform a first-level amplification process on the ultrasonic echo signal to obtain a first-level amplified echo signal. The filtering function area can be configured to perform a noise elimination process on the first-level amplified echo signal to obtain a first-level amplified denoised echo signal. The gain amplification function area can be configured to perform a second-level amplification process on the first-level amplified denoised echo signal to obtain a second-level amplified denoised echo signal. The detection function area can be configured to perform a digital process on the second-level amplified denoised echo signal to obtain a digital signal. The judgment function area can be configured to generate a first light source circuit start signal according to the first level information and the first delay information of the digital signal, and the light source circuit start signal is used to control the corresponding light source circuit to be in an on state. The second amplification function area can be configured to amplify the first light source circuit start signal to obtain a light signal.

[0064] According to an embodiment of the present invention, the first amplification functional area can match the impedance of the front-end ultrasonic signal receiving element and the rear-stage amplification circuit to reduce nonlinear distortion, expand the passband, and suppress interference.

[0065] According to the embodiment of the present invention, the filtering function area allows signals within a set frequency band to pass through, attenuates signals outside the frequency band, reduces electromagnetic interference, and improves the signal-to-noise ratio of the system.

[0066] According to an embodiment of the present invention, the gain amplification functional area includes but is not limited to a time-varying gain amplification circuit or a programmable gain amplification circuit, which can perform appropriate attenuation compensation and amplification on the signal so that the signal amplitude meets the subsequent A / D (analog / digital) conversion requirements, and its gain is generally linearly related to the control voltage.

[0067] According to the embodiment of the present invention, the detection function area includes but is not limited to amplitude detection, phase detection, frequency detection, etc., which can extract effective measurement data from the detected signal to improve the measurement accuracy. Among them, the effective measurement data refers to the data signal after removing the background noise, which is mainly judged by the signal-to-noise ratio after filtering. The signal-to-noise ratio is not limited to a specific value here, and the value corresponding to different plant applications is different.

[0068] According to an embodiment of the present invention, the judgment function area can be built-in with different level thresholds to start the circuit. When different levels are input, the circuit can automatically judge and select the light source type, and pass the judgment information to the second amplification function area. The judgment method includes but is not limited to the system self-collecting plant information database, the user manually inputting the database, and the user manually selecting. The judgment information is the light source and intensity information selected by the threshold selection circuit in the judgment module through the digital signal level.

[0069] According to an embodiment of the present invention, the second amplification functional area can proportionally amplify the judgment signal to above the LED turn-on voltage, and perform rectification to achieve the LED electro-excitation requirement. This functional area needs to calibrate the amplification factor, and its methods include but are not limited to empty calibration, saturation calibration and linear calibration.

[0070] Figure 3 A schematic diagram of a board-level data processing module according to an embodiment of the present invention is shown.

[0071] like Figure 3 As shown, the board-level data processing module 300 includes a first amplification function area 301, a filtering function area 302, a gain amplification function area 303, a detection function area 304, a judgment function area 305, and an LED amplification function area 306. The first amplification function area 301 can receive the ultrasonic echo signal returned by the detected plant and output the ultrasonic echo signal after the first stage amplification. The filtering function area 302 can receive the ultrasonic echo signal after the first stage amplification and output the ultrasonic echo signal after the first stage amplification with noise eliminated. The gain amplification function area 303 can receive the ultrasonic echo signal after the first stage amplification with noise eliminated and output the ultrasonic echo signal after the second stage amplification with noise eliminated. The detection function area 304 can receive the ultrasonic echo signal after the second stage amplification with noise eliminated and output a digital signal. The judgment function area 305 can receive the digital signal and output the digital signal after the threshold judgment. The LED amplification function area 306 can receive the digital signal after the threshold judgment and output the light signal.

[0072] According to an embodiment of the present invention, the plant light control system based on the ultrasonic sensor may further include: a plant growth data collection module. The plant growth data collection module may be configured to analyze the digital signal to obtain the current plant growth state of the detected plant, and generate an electrical signal corresponding to the light information required for the current plant growth state based on the current plant growth state and the plant growth physical information collected by the plant growth data collection module. In the presence of an electrical signal returned by the plant growth data collection module, the judgment function area may also be configured to generate a second light source circuit start signal based on the second level information and the second delay information of the electrical signal.

[0073] According to an embodiment of the present invention, the plant growth data collection module can be connected to the detection function area through BNC (a coaxial cable connector) connection, USB (Universal Serial Bus) connection, etc. The plant growth data collection module includes but is not limited to hard disks and other storage devices, which can be used to store digital signals filtered by the detection function area, and further post-process the signals and assist in building a plant growth model for growth stage monitoring. Among them, signal post-processing includes converting the collected digital signals into plant length or width information according to the level and duration. The plant growth model is mainly used to visualize the plant biological information converted by signal post-processing, so as to facilitate users to make remote intuitive quantitative judgments. In this embodiment, the judgment function area can be used to judge the specific growth stage of the plant through the plant physical data collected by the plant growth data collection function area, and select LED light sources of different bands through circuits, and pass the judgment information to the LED amplification function area.

[0074] It should be noted that, for the judgment function area, the electrical signal returned by the plant growth data collection module has a higher priority than the digital signal output by the detection function area. That is, when the electrical signal returned by the plant growth data collection module and the digital signal output by the detection function area are both input to the judgment function area, the judgment function area can process the electrical signal returned by the plant growth data collection module and ignore the digital signal output by the detection function area.

[0075] According to an embodiment of the present invention, the plant growth data collection module may include: a data collection and integration functional area, a data analysis functional area, and a data feedback and control functional area. Among them, the data collection and integration functional area can be configured to collect plant growth physical information. The data analysis functional area can be configured to analyze the digital signal to obtain the current plant growth state, and determine the lighting parameter adjustment information that is compatible with the current plant growth state based on the plant growth physical information. The data feedback and control functional area can be configured to convert the lighting parameter adjustment information to obtain an electrical signal.

[0076] According to an embodiment of the present invention, the data collection and integration functional area can be configured to be used in conjunction with the board-level data processing module to collect ultrasonic information of growth data such as plant height, ground diameter, new shoot growth, current year branch diameter, and real-time data such as lighting parameters through ultrasonic sensors. It can also be combined with artificial intelligence crawler technology to automatically crawl external information related to plant growth from public data sources, including but not limited to ultrasonic information such as plant growth models and crop growth trends based on different climate environment data.

[0077] According to an embodiment of the present invention, the data analysis function area can use machine learning algorithms to analyze the collected real-time data to identify the growth trend and lighting requirements of plants. And based on historical data and crawled external data, the data feedback and control function area can be combined to adjust the optimal lighting parameters of plants.

[0078] Figure 4 A schematic diagram of a plant growth data collection module according to an embodiment of the present invention is shown.

[0079] like Figure 4 As shown, the plant growth data collection module 400 may include a data collection and integration functional area 401 , a data analysis functional area 402 , a data feedback and control functional area 403 , and a data storage functional area 404 .

[0080] The data collection and integration functional area 401 can collect external plant generation information including growth habits, cultivation points, real-time plant growth data such as plant height, plant diameter, plant growth, and light parameters such as light quality, light intensity, and light period, and is not limited to this.

[0081] The data analysis function area 402 can receive real-time plant growth data, lighting parameters, and external plant growth information as input, and output analysis results and adjustment suggestions, including plant growth trends and lighting requirements, and can generate adjustment suggestions for optimal lighting parameters for plants based on the analysis results.

[0082] The data feedback and control function area 403 can receive the growth trend of plants, lighting requirements and suggestions for adjusting lighting parameters as input, output control signals and feedback information, and send control electrical signals to the judgment function area of ​​the data processing module according to the results of data analysis to adjust the lighting conditions.

[0083] The data storage functional area 404 can be implemented using a local database or a cloud platform. All data collected based on the data collection and integration functional area 401, including data from sensors and external data obtained through crawlers, can be stored in a local database or a cloud platform.

[0084] According to an embodiment of the present invention, the plant growth model can be implemented based on the plant growth data collection module 400. The plant growth data collection module 400 establishes a multi-dimensional plant growth database by collecting and analyzing growth data from different types of plants. Based on these data and public data sources, the plant growth model built into the plant growth data collection module 400 can realize self-iteration and learning functions, and continuously optimize the intelligent lighting control scheme for different varieties of plants.

[0085] Through the above embodiments of the present invention, while adjusting the light of plants, the ultrasonic signal data of plant growth is also collected, which can be used to build a variety growth model. By collecting big data to build a variety database, it can help smart forestry and plant big databases, and promote the innovation and upgrading of light control technology in plant factories.

[0086] Figure 5 A schematic diagram of a plant lighting control system based on an ultrasonic sensor according to an embodiment of the present invention is shown.

[0087] like Figure 5 As shown, the plant light control system 500 may include an ultrasonic sensor 510, a board-level data processing module 520, a plant growth data collection module 530, and an LED lighting module 540. The ultrasonic sensor 510 sends an original ultrasonic signal to the detected plant. The detected plant can return an ultrasonic echo signal to the board-level data processing module 520, which is processed by the board-level data processing module 520 and sent to the plant growth data collection module 530 for collection and storage of the current plant growth status. Both the board-level data processing module 520 and the plant growth data collection module 530 can analyze the ultrasonic echo signal and send a lighting signal to the LED lighting module 540 to control the LED lighting module 540 to send lighting information adapted to the current plant growth status of the detected plant.

[0088] Through the above-mentioned embodiments of the present invention, the LED irradiation control system based on acoustic regulation can realize the intelligent integration of various subsystems of the plant factory, reduce manpower and equipment costs, improve the real-time monitoring of crop growth status, light environment and other information and multi-system collaborative automation operation, and lay a solid foundation for the realization of unmanned plant factories. Compared with the traditional artificial plant light adjustment solution, this system can provide a precise light environment for plants from a more objective perspective based on the actual growth status of plants monitored by ultrasound.

[0089] Figure 6 A block diagram of a plant light regulation device based on an ultrasonic sensor according to an embodiment of the present invention is shown.

[0090] like Figure 6 As shown, the plant light regulation device 600 based on the ultrasonic sensor includes an ultrasonic echo signal acquisition module 610 , an electrical digital data processing module 620 and a regulation module 630 .

[0091] The ultrasonic echo signal acquisition module 610 is used to acquire the ultrasonic echo signal returned by the detected plant when the ultrasonic sensor sends the original ultrasonic signal to the detected plant.

[0092] The electrical digital data processing module 620 is used to perform electrical digital data processing on the ultrasonic echo signal to generate a light signal that matches the current plant growth state of the detected plant.

[0093] The control module 630 is used to control the lighting module using the lighting signal to generate lighting information that is compatible with the current growth state of the plant.

[0094] According to an embodiment of the present invention, the electrical digital data processing module includes a first digital processing unit, a first light source circuit start signal generating unit and a first amplifying unit.

[0095] The first digital processing unit is used to digitally process the ultrasonic echo signal to obtain a digital signal.

[0096] The first light source circuit start signal generating unit is used to generate a first light source circuit start signal according to the level information and delay information of the digital signal, and the first light source circuit start signal is used to control the corresponding light source circuit to be in the start state.

[0097] The first amplifying unit is used to amplify the first light source circuit start-up signal to obtain a light signal.

[0098] According to an embodiment of the present invention, the electrical digital data processing module includes a second digital processing unit, an analysis unit, an electrical signal generating unit, a second light source circuit start signal generating unit and a second amplifying unit.

[0099] The second digital processing unit is used to digitally process the ultrasonic echo signal to obtain a digital signal.

[0100] The analysis unit is used to analyze the digital signal to obtain the current plant growth status of the detected plant.

[0101] The electric signal generating unit is used to generate an electric signal corresponding to the illumination information required for the current plant growth state according to the collected plant growth physical information and the current plant growth state.

[0102] The second light source circuit start signal generating unit is used to generate a second light source circuit start signal according to the second level information and the second delay information of the electrical signal.

[0103] The second amplifying unit is used to amplify the second light source circuit start-up signal to obtain a light signal.

[0104] According to an embodiment of the present invention, the electrical signal generating unit includes a lighting parameter adjustment information determining subunit and a converting subunit.

[0105] The illumination parameter adjustment information determination subunit is used to determine the illumination parameter adjustment information adapted to the current growth state of the plant according to the physical information of plant growth.

[0106] The conversion subunit is used to convert the illumination parameter adjustment information to obtain an electrical signal.

[0107] According to the embodiments of the present invention, any one or more of the modules, units, and sub-units, or at least part of the functions of any one of them, can be implemented in one module. According to the embodiments of the present invention, any one or more of the modules, units, and sub-units can be split into multiple modules for implementation. According to the embodiments of the present invention, any one or more of the modules, units, and sub-units can be at least partially implemented as a hardware circuit, such as a field programmable gate array (FPGA), a programmable logic array (PLA), a system on a chip, a system on a substrate, a system on a package, an application-specific integrated circuit (ASIC), or can be implemented by hardware or firmware in any other reasonable way of integrating or packaging the circuit, or in any one of the three implementation methods of software, hardware, and firmware, or in any appropriate combination of any of them. Alternatively, according to the embodiments of the present invention, one or more of the modules, units, and sub-units can be at least partially implemented as a computer program module, and when the computer program module is run, the corresponding function can be executed.

[0108] For example, any of the ultrasonic echo signal acquisition module 610, the electronic digital data processing module 620, and the control module 630 can be combined in one module / unit / subunit, or any of the modules / units / subunits can be split into multiple modules / units / subunits. Alternatively, at least part of the functions of one or more of these modules / units / subunits can be combined with at least part of the functions of other modules / units / subunits and implemented in one module / unit / subunit. According to an embodiment of the present invention, at least one of the ultrasonic echo signal acquisition module 610, the electronic digital data processing module 620, and the control module 630 can be at least partially implemented as a hardware circuit, such as a field programmable gate array (FPGA), a programmable logic array (PLA), a system on a chip, a system on a substrate, a system on a package, an application specific integrated circuit (ASIC), or can be implemented by hardware or firmware such as any other reasonable way of integrating or packaging the circuit, or by any one of the three implementation methods of software, hardware, and firmware, or by a suitable combination of any of them. Alternatively, at least one of the ultrasound echo signal acquisition module 610, the electrical digital data processing module 620 and the control module 630 may be at least partially implemented as a computer program module, and when the computer program module is executed, a corresponding function may be executed.

[0109] Figure 7 A block diagram of an electronic device suitable for implementing a plant light regulation method based on an ultrasonic sensor according to an embodiment of the present invention is shown. Figure 7 The electronic device shown is only an example and should not bring any limitation to the functions and scope of use of the embodiments of the present invention.

[0110] like Figure 7 As shown, the electronic device 700 according to an embodiment of the present invention includes a processor 701, which can perform various appropriate actions and processes according to a program stored in a read-only memory (ROM) 702 or a program loaded from a storage part 708 to a random access memory (RAM) 703. The processor 701 may include, for example, a general-purpose microprocessor (e.g., a CPU), an instruction set processor and / or a related chipset and / or a special-purpose microprocessor (e.g., an application-specific integrated circuit (ASIC)), etc. The processor 701 may also include an onboard memory for caching purposes. The processor 701 may include a single processing unit or multiple processing units for performing different actions of the method flow according to an embodiment of the present invention.

[0111] In RAM 703, various programs and data required for the operation of electronic device 700 are stored. Processor 701, ROM 702 and RAM 703 are connected to each other via bus 704. Processor 701 performs various operations of the method flow according to the embodiment of the present invention by executing the programs in ROM 702 and / or RAM 703. It should be noted that the program can also be stored in one or more memories other than ROM 702 and RAM 703. Processor 701 can also perform various operations of the method flow according to the embodiment of the present invention by executing the programs stored in the one or more memories.

[0112] According to an embodiment of the present invention, the electronic device 700 may further include an input / output (I / O) interface 705, which is also connected to the bus 704. The system 700 may further include one or more of the following components connected to the input / output (I / O) interface 705: an input portion 706 including a keyboard, a mouse, etc.; an output portion 707 including a cathode ray tube (CRT), a liquid crystal display (LCD), etc., and a speaker, etc.; a storage portion 708 including a hard disk, etc.; and a communication portion 709 including a network interface card such as a LAN card, a modem, etc. The communication portion 709 performs communication processing via a network such as the Internet. A drive 710 is also connected to the input / output (I / O) interface 705 as needed. A removable medium 711, such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, etc., is installed on the drive 710 as needed, so that a computer program read therefrom is installed into the storage portion 708 as needed.

[0113] According to an embodiment of the present invention, the method flow according to an embodiment of the present invention can be implemented as a computer software program. For example, an embodiment of the present invention includes a computer program product, which includes a computer program carried on a computer-readable storage medium, and the computer program includes a program code for executing the method shown in the flowchart. In such an embodiment, the computer program can be downloaded and installed from the network through the communication part 709, and / or installed from the removable medium 711. When the computer program is executed by the processor 701, the above-mentioned functions defined in the system of the embodiment of the present invention are executed. According to an embodiment of the present invention, the system, equipment, device, module, unit, etc. described above can be implemented by a computer program module.

[0114] The present invention also provides a computer-readable storage medium, which may be included in the device / apparatus / system described in the above embodiment; or may exist independently without being assembled into the device / apparatus / system. The above computer-readable storage medium carries one or more programs, and when the above one or more programs are executed, the method according to the embodiment of the present invention is implemented.

[0115] According to an embodiment of the present invention, the computer-readable storage medium may be a non-volatile computer-readable storage medium. For example, it may include but is not limited to: a portable computer disk, a hard disk, a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), a portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination thereof. In the present invention, the computer-readable storage medium may be any tangible medium containing or storing a program, which may be used by or in combination with an instruction execution system, an apparatus or a device.

[0116] For example, according to an embodiment of the present invention, the computer-readable storage medium may include the ROM 702 and / or the RAM 703 described above and / or one or more memories other than the ROM 702 and the RAM 703 .

[0117] An embodiment of the present invention also includes a computer program product, which includes a computer program, which contains program code for executing the method provided by the embodiment of the present invention. When the computer program product is run on an electronic device, the program code is used to enable the electronic device to implement the plant light control method based on ultrasonic sensors provided by the embodiment of the present invention.

[0118] When the computer program is executed by the processor 701, the above functions defined in the system / device of the embodiment of the present invention are executed. According to the embodiment of the present invention, the system, device, module, unit, etc. described above can be implemented by a computer program module.

[0119] In one embodiment, the computer program may rely on tangible storage media such as optical storage devices, magnetic storage devices, etc. In another embodiment, the computer program may also be transmitted and distributed in the form of signals on a network medium, and downloaded and installed through the communication part 709, and / or installed from the removable medium 711. The program code contained in the computer program may be transmitted using any appropriate network medium, including but not limited to: wireless, wired, etc., or any suitable combination of the above.

[0120] According to an embodiment of the present invention, the program code for executing the computer program provided by the embodiment of the present invention can be written in any combination of one or more programming languages. Specifically, these computing programs can be implemented using high-level process and / or object-oriented programming languages, and / or assembly / machine languages. Programming languages ​​include, but are not limited to, Java, C++, python, "C" language or similar programming languages. The program code can be executed entirely on the user computing device, partially on the user device, partially on the remote computing device, or entirely on the remote computing device or server. In the case of a remote computing device, the remote computing device can be connected to the user computing device through any type of network, including a local area network (LAN) or a wide area network (WAN), or can be connected to an external computing device (e.g., using an Internet service provider to connect through the Internet).

[0121] The flowcharts and block diagrams in the accompanying drawings illustrate the possible architecture, functions and operations of the systems, methods and computer program products according to various embodiments of the present invention. In this regard, each box in the flowchart or block diagram may represent a module, a program segment, or a part of a code, and the above-mentioned module, program segment, or a part of the code contains one or more executable instructions for implementing the specified logical function. It should also be noted that in some alternative implementations, the functions marked in the box may also occur in a different order from the order marked in the accompanying drawings. For example, two boxes represented in succession can actually be executed substantially in parallel, and they can sometimes be executed in the opposite order, depending on the functions involved. It should also be noted that each box in the block diagram or flowchart, and the combination of boxes in the block diagram or flowchart, can be implemented with a dedicated hardware-based system that performs the specified function or operation, or can be implemented with a combination of dedicated hardware and computer instructions. It can be understood by those skilled in the art that the features recorded in the various embodiments and / or claims of the present invention can be combined and / or combined in various ways, even if such a combination or combination is not explicitly recorded in the present invention. In particular, without departing from the spirit and teaching of the present invention, the features described in the various embodiments and / or claims of the present invention may be combined and / or combined in a variety of ways. All of these combinations and / or combinations fall within the scope of the present invention.

[0122] The embodiments of the present invention are described above. However, these embodiments are only for the purpose of illustration, and are not intended to limit the scope of the present invention. Although each embodiment is described above, it does not mean that the measures in each embodiment cannot be used in combination. The scope of the present invention is defined by the attached claims and their equivalents. Without departing from the scope of the present invention, those skilled in the art may make various substitutions and modifications, which should all fall within the scope of the present invention.

Claims

1. A method for controlling plant light intensity based on an ultrasonic sensor, characterized in that: The method comprises: In the case of using an ultrasonic sensor to send an original ultrasonic signal to the detected plant, obtaining an ultrasonic echo signal returned by the detected plant; Performing electrical digital data processing on the ultrasonic echo signal to generate a light signal that matches the current plant growth state of the detected plant; and The illumination signal is used to regulate the illumination module to generate illumination information that matches the current growth state of the plant.

2. The method according to claim 1, characterized in that The step of performing electrical digital data processing on the ultrasonic echo signal to generate a light signal adapted to the current growth state of the detected plant comprises: Digitally processing the ultrasonic echo signal to obtain a digital signal; generating a first light source circuit start signal according to the level information and the delay information of the digital signal, wherein the first light source circuit start signal is used to control the corresponding light source circuit to be in an on state; and The first light source circuit start-up signal is amplified to obtain the illumination signal.

3. The method according to claim 1, characterized in that The step of performing electrical digital data processing on the ultrasonic echo signal to generate a light signal adapted to the current growth state of the detected plant comprises: Digitally processing the ultrasonic echo signal to obtain a digital signal; Analyzing the digital signal to obtain the current plant growth status of the detected plant; Generate an electrical signal corresponding to the illumination information required for the current plant growth state according to the collected plant growth physical information and the current plant growth state; generating a second light source circuit start signal according to the second level information and the second delay information of the electrical signal; and The second light source circuit start-up signal is amplified to obtain the illumination signal.

4. The method according to claim 3, characterized in that The step of generating an electrical signal corresponding to the illumination information required for the current plant growth state according to the collected plant growth physical information and the current plant growth state includes: Determining, according to the plant growth physical information, lighting parameter adjustment information adapted to the current plant growth state; and The illumination parameter adjustment information is converted to obtain the electrical signal.

5. A plant light regulation system based on ultrasonic sensor, characterized in that: The system is used to implement the method according to any one of claims 1 to 4, and the system comprises: An ultrasonic sensor configured to send a raw ultrasonic signal to a detected plant; a board-level data processing module configured to receive an ultrasonic echo signal returned by the detected plant, and to perform electronic digital processing on the ultrasonic echo signal to generate a light signal adapted to a current plant growth state of the detected plant; and The illumination module is configured to respond to the illumination signal and generate illumination information adapted to the current growth state of the plant.

6. The system according to claim 5, characterized in that The ultrasonic sensor comprises: A signal source configured to generate an initial AC signal; an amplifier configured to amplify the initial AC signal to obtain an amplified AC signal; The ultrasound probe is configured to generate the original ultrasound signal in response to the amplified AC signal.

7. The system according to claim 5, characterized in that The board-level data processing module includes: The first amplification function area is configured to perform a first-stage amplification process on the ultrasonic echo signal to obtain a first-stage amplified echo signal; A filtering function area is configured to perform noise elimination processing on the first-stage amplified echo signal to obtain a first-stage amplified noise-removed echo signal; The gain amplification functional area is configured to perform a second-stage amplification process on the first-stage amplified noise-removed echo signal to obtain a second-stage amplified noise-removed echo signal; The detection function area is configured to digitally process the secondary amplified and noise-removed echo signal to obtain a digital signal; a judgment function area, configured to generate a first light source circuit start signal according to the first level information and the first delay information of the digital signal, wherein the first light source circuit start signal is used to control the corresponding light source circuit to be in an on state; and The second amplification functional area is configured to amplify the first light source circuit start signal to obtain the illumination signal.

8. The system according to claim 7, characterized in that The system further comprises: a plant growth data collection module configured to analyze the digital signal to obtain the current plant growth state of the detected plant, and generate an electrical signal corresponding to the illumination information required for the current plant growth state according to the current plant growth state and the plant growth physical information collected by the plant growth data collection module; The judgment function area is further configured to generate a second light source circuit start signal according to the second level information and the second delay information of the electrical signal.

9. The system according to claim 8, characterized in that The plant growth data collection module comprises: A data collection and integration functional area is configured to collect the physical information of plant growth; a data analysis function area configured to analyze the digital signal to obtain the current plant growth state, and determine the illumination parameter adjustment information adapted to the current plant growth state according to the plant growth physical information; and The data feedback and control functional area is configured to convert the illumination parameter adjustment information to obtain the electrical signal.

10. A plant light control device based on an ultrasonic sensor, characterized in that: The device comprises: An ultrasonic echo signal acquisition module, used to acquire an ultrasonic echo signal returned by the detected plant when an original ultrasonic signal is sent to the detected plant by using an ultrasonic sensor; an electrical digital data processing module, configured to perform electrical digital data processing on the ultrasonic echo signal to generate a light signal adapted to a current plant growth state of the detected plant; and The control module is used to control the illumination module using the illumination signal to generate illumination information that matches the current growth state of the plant.

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