CN105974976B - A kind of intelligent greenhouse control and management system based on Internet of Things - Google Patents

Abstract

The invention discloses an intelligent greenhouse control and management system based on the Internet of Things, including a control center host, a video surveillance camera, a microprocessor, and an information collection unit, a temperature adjustment unit, and a supplementary light unit respectively connected to the microprocessor signal , drip irrigation unit, isolation unit and GSM SMS alarm module; the signal connection between the video surveillance camera and the host computer of the control center, and the signal connection between the microprocessor and the host computer of the control center; the signal connection between the GSM SMS alarm module and the microprocessor. The present invention can help farmers find problems in time and accurately capture the location of problems through the various production information and environmental parameters related to crop production through the information collection unit; the system can also give plants the most suitable environment to grow, so that The resource utilization of agricultural input is precise and efficient, and the best agricultural products are cultivated.

Description

An intelligent greenhouse control and management system based on the Internet of Things

technical field

The invention belongs to the technical field of the Internet of Things, and in particular relates to an intelligent greenhouse control and management system based on the Internet of Things.

Background technique

Traditional agriculture still requires people to make different environmental adjustments to the growth of crops in the greenhouse according to different climates. If you want to investigate whether the current environment in the greenhouse is good enough for crop growth, you also need to collect environmental information on the spot However, this method not only requires complex work of manpower but also cannot enable effective real-time monitoring of crops. According to the results of monitoring, a large amount of manpower is required to change the environment. This method is not only very cumbersome and requires a lot of labor, but also does not allow the crops to obtain the most suitable growth environment to make them of high quality, so now there are very few high-quality crops that can be sold at high prices, and the production of crops is very difficult. It requires a large amount of labor and makes its cost very high, so it leads to the status quo of "no money to make" for farmers. Plants in some greenhouse landscapes now have high environmental factors, and human monitoring errors will be large, which will affect the growth of plants, reduce the ornamental value of plants, and reduce the value of garden greenhouses.

With the rapid development of communication technology, people are no longer satisfied with communication methods between people and communication methods that require people to participate in interaction. A smarter and more convenient communication method is expected by people. With the rapid development of electronic information technology, multimedia technology and network technology, the Internet of Things technology has also developed rapidly. The Internet of Things is the "Internet of Things Connected". Monitor, connect, interact with various required information such as objects or processes, and transmit the collected information to the management system to inform users, or make intelligent changes based on pre-set information. The Internet of Things - a communication method that can complete information interaction between objects and machines without human participation, and does not require human participation in the entire process of information collection, transmission, and calculation.

The Internet of Things is a new network technology based on sensor technology. In modern agriculture, a large number of sensor nodes form a monitoring network with different functions. Various production information and environmental parameters related to crop production can be collected through various sensors. Help farmers find problems in time and accurately capture the location of the problem. With the characteristics of high input, high quality, high yield and high benefit, it is a revolution in the history of modern agricultural development, an effective way to transform traditional agriculture into modern intensive agriculture, and the only way to realize agricultural modernization. Give plants the most suitable environment to grow, make the use of agricultural input resources precise, maximize efficiency, and cultivate the best agricultural products. The intelligent greenhouse management system refers to the method of improving the greenhouse environment in agricultural production or garden cultivation to obtain the most suitable growth conditions for plants, that is, to use artificial control of environmental factors to meet the best growth conditions of plants to obtain the greatest economic benefits. .

At present, my country's agricultural development is in the process of transitioning from traditional agriculture to modern large-scale agriculture. The State Council pointed out in the "National Medium and Long-Term Science and Technology Development Program Outline" that it is urgent to equip with modern material conditions and transform with modern science and technology. Promote with modern management forms and lead with modern development concepts. The rapid development of the Internet of Things will provide an internationally leading brand-new platform for my country's agricultural development to synchronize with the world, and help the transformation of "traditional agriculture" to "modern agriculture" with informatization. The agricultural Internet of Things is coming.

Contents of the invention

The purpose of the present invention is to overcome the above-mentioned problems existing in the prior art, and to provide an intelligent greenhouse control and management system based on the Internet of Things, which can collect various production information and environmental parameters related to crop production through the information collection system, and can Help farmers find problems in time and accurately capture the location of the problem; the system can also give plants the most suitable environment to grow, make the use of agricultural input resources precise and efficient, and cultivate the best agricultural products.

The technical scheme of the present invention is: an intelligent greenhouse control and management system based on the Internet of Things, including a microprocessor, an information collection unit, a temperature adjustment unit, a supplementary light unit, a spray and drip irrigation unit, and a GSM short message alarm module; the information collection The unit is used to collect the illuminance signal value, temperature signal value and humidity signal value in the greenhouse, and transmit the illuminance signal value, temperature signal value and humidity signal value to the microprocessor; The signal value and the preset illuminance parameter comparison value control whether the supplementary light unit works; it is also used to control whether the temperature adjustment unit works according to the temperature signal value and the preset temperature parameter comparison value ; It is also used to control whether the drip irrigation unit works according to the humidity signal value and the preset humidity parameter comparison value; the light supplement unit is used to increase the light in the greenhouse when the light is insufficient or at night; the The temperature adjustment unit is used to adjust the temperature value in the greenhouse; the drip irrigation unit is used to increase the humidity in the greenhouse and supply moisture to the crops in the greenhouse; when the temperature and humidity in the greenhouse exceed the set value of the microprocessor, The microprocessor transmits the temperature and humidity exceeding standard alarm signal to the GSM short message alarm module.

Preferably, the information collection unit includes a temperature and humidity sensor and a photosensitive sensor respectively connected to the microprocessor signal; the temperature and humidity sensor is specifically a DHT11 temperature and humidity sensor.

Preferably, the temperature adjustment unit includes an air conditioner and a heating rod arranged in the greenhouse; the air conditioner is used for cooling the greenhouse when the temperature in the greenhouse exceeds a set temperature; the heating rod is used for cooling the greenhouse when the temperature in the greenhouse is low. When the temperature is set, the greenhouse is heated; the air conditioner is connected to the microprocessor signal through the control switch one, and the heating rod is connected to the microprocessor signal through the control switch two. The preset temperature parameter comparison value is used to control the opening and closing of the air conditioner and the heating rod through the control switch 1 and the control switch 2; the control switch 1 and the control switch 2 are both relay switches.

Preferably, the drip irrigation unit includes a water pump and a drip irrigation pipeline connected to the water pump for spraying crops, the water pump is connected to the microprocessor signal through the control switch 3, and the microprocessor receives the humidity in the greenhouse according to The signal value and the preset humidity parameter comparison value are used to control the opening and closing of the water pump through the control switch three to realize the adjustment of the humidity value in the greenhouse; the control switch three is a relay switch.

Preferably, the intelligent greenhouse control and management system based on the Internet of Things also includes a control center host and a video surveillance camera, the control center host is used to display the video of the greenhouse transmitted by the video surveillance camera, and the video surveillance camera is used to collect greenhouse video, and transmit the video signal to the control center host; the video surveillance camera is connected to the control center host signal through the goAhead server, using the goAhead server to generate interactive functions between the webpage and the greenhouse information, and display the images in the greenhouse on the webpage, Realize remote real-time dynamic video monitoring.

Preferably, the control center host also includes a temperature setting module, a humidity setting module, and an illumination setting module; the temperature setting module is used to set the comparison value of the temperature parameter to the microprocessor, and the humidity setting module is used to The humidity parameter comparison value is set for the microprocessor, and the illuminance setting module is used for setting the illuminance parameter comparison value for the microprocessor.

Preferably, the intelligent greenhouse control and management system based on the Internet of Things also includes a ventilation adjustment unit for ventilating the greenhouse, and the control center host also includes a ventilation adjustment control module; The vent on the top and the ventilating fan embedded in the vent, the ventilating fan is signal-connected with the ventilation adjustment control module through the control switch five, and the ventilation regulation control module controls the opening and closing of the ventilating fan through the control switch five; wherein the control switch five is a relay switch.

Preferably, the intelligent greenhouse control and management system based on the Internet of Things also includes an isolation unit and a PM2.5 detection module respectively connected to the microprocessor signal; The greenhouse is adjusted to the isolation mode, that is, the greenhouse is isolated from the external environment; the PM2.5 detection module is used to detect the PM2.5 value in the environment; the microprocessor detects the PM2 according to the PM2.5 detection module. .5 signal value and the preset PM2.5 parameter comparison value to control whether the isolation unit works.

Preferably, the isolation unit includes an isolation soft board, and the isolation soft board is erected and covered on the greenhouse roof frame, wherein the greenhouse roof is an arc-shaped cylindrical structure that arches upward; one end of the isolation soft board is located on one side of the greenhouse and connected to the second reel, the second reel is connected to the second axis of the stepping motor, the second stepping motor is connected to the signal of the microprocessor through the second motor driver, and the microprocessor controls the second operation of the stepping motor through the second motor driver to realize Whether the isolation soft board is retracted; the other end of the isolation soft board is located at the lower end of the other side of the greenhouse and is connected to the second rope, the second rope is wound on the second rotating shaft arranged on the outer wall of the greenhouse, and the second rotating shaft is connected to the disk The second spring is connected, and the second coil spring is fixed on the outer wall of the greenhouse.

Preferably, the supplementary light unit includes a rolling shutter mechanism, a supplementary light, and an isolated light protection film, wherein the isolation light protection film is used to prevent the light energy of the supplementary light from being lost to the outside when the light is insufficient; the isolated light protection The film is located between the greenhouse roof frame and the isolation soft board; the roller shutter mechanism includes a motor one and a reel one connected to the motor one shaft, and the motor one and the reel one are located at the lower end of one side of the greenhouse, and the stepping motor one passes through the motor The driver one is connected with the microprocessor signal, the reel one is connected with one end of the isolation light protection film, the other end of the isolation light protection film is located at the lower end of the other side of the greenhouse and is connected with the rope one, and the rope one is wound around the The rotating shaft on the outer wall of the greenhouse is connected to the coil spring, and the coil spring is fixed on the outer wall of the greenhouse. The microprocessor controls the opening and closing of the stepping motor through the motor driver to realize the isolation of the light protection film. Roll up; the supplementary light is connected with the microprocessor through the control switch 4, and the microprocessor controls the opening and closing of the supplementary light through the control switch 4; the microprocessor is connected with the control center host signal through the wireless communication module, and the microprocessor The processor and the control center host perform information interaction through the wireless communication module; the wireless communication module is also connected with the user's mobile handheld device signal, so that the user can observe and control the greenhouse anytime and anywhere; the fourth control switch is a relay switch.

Beneficial effects of the present invention: The present invention provides an intelligent greenhouse control and management system based on the Internet of Things, which can collect environmental information in the greenhouse through sensors and cameras, and automatically control the execution of equipment in the greenhouse through the collection of these information , intelligently regulate the greenhouse environment according to the preset information of the equipment. The invention connects the control equipment with the Internet, and uploads sensor information, control equipment information, and video information collected by the camera to the webpage management system through the gohead server in real time. The login of the webpage management system is not limited to the local Internet, and can also be applied For the use of mobile Internet, users can use computers or mobile handheld devices to log in to the webpage of the intelligent greenhouse lighting and heating information management system to obtain greenhouse information and control greenhouse equipment. The present invention uses the GSM module to carry out information alarm. Once it is recognized that the environmental factors in the greenhouse are not conducive to plant growth, it will immediately send a warning message to the user's preset phone number to remind the user that the environmental factors in the greenhouse need to be changed at this time, so that The user adjusts accordingly.

The present invention will be described in further detail below in conjunction with the accompanying drawings.

Description of drawings

Fig. 1 is a system connection block diagram of the present invention;

Fig. 2 is a working principle diagram of the Web server;

Figure 3 is a working principle diagram of the camera;

Fig. 4 is a GSM frame diagram;

Fig. 5 is a relay switch connection circuit diagram;

Fig. 6 is a schematic diagram of the positional relationship between the isolation unit and the greenhouse.

Explanation of reference signs:

1. Ventilation adjustment unit; 2. Stepper motor 2; 3. Reel 2; 4. Isolation soft board; 5. Rope 2; 6. Coil spring 2; 7. Greenhouse side wall; 2. Ventilation fan.

detailed description

A specific embodiment of the present invention will be described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiment.

Referring to Fig. 1, the present invention discloses an intelligent greenhouse control and management system based on the Internet of Things, including a microprocessor, an information collection unit, a temperature adjustment unit, a supplementary light unit, a spray and drip irrigation unit and a GSM short message alarm module; the information The acquisition unit is used to collect the illuminance signal value, temperature signal value and humidity signal value in the greenhouse, and transmit the illuminance signal value, temperature signal value and humidity signal value to the microprocessor; The illuminance signal value and the preset illuminance parameter comparison value control whether the supplementary light unit works; it is also used to control whether the temperature adjustment unit works according to the temperature signal value and the preset temperature parameter comparison value. It is also used to control whether the drip irrigation unit works according to the humidity signal value and the preset humidity parameter comparison value; the light supplement unit is used to increase light in the greenhouse when the light is insufficient or at night; The temperature adjustment unit is used to adjust the temperature value in the greenhouse; the drip irrigation unit is used to increase the humidity in the greenhouse and supply water to the crops in the greenhouse; when the temperature and humidity in the greenhouse exceed the set value of the microprocessor , the microprocessor transmits the temperature and humidity exceeding standard alarm signal to the GSM short message alarm module.

Further, the information collection unit includes a temperature and humidity sensor and a photosensitive sensor respectively connected to the microprocessor signal; the temperature and humidity sensor is specifically a DHT11 temperature and humidity sensor.

Further, the temperature adjustment unit includes an air conditioner and a heating rod installed in the greenhouse; the air conditioner is used to cool down the greenhouse when the temperature in the greenhouse exceeds the set temperature; the heating rod is used to cool the greenhouse when the temperature in the greenhouse is lower than When setting the temperature, warm up the greenhouse; the air conditioner is connected to the microprocessor signal through the control switch one, and the heating rod is connected to the microprocessor signal through the control switch two. The temperature parameter comparison value is set, and the opening and closing of the air conditioner and the heating rod are controlled through the control switch 1 and the control switch 2; the control switch 1 and the control switch 2 are both relay switches.

Further, the drip irrigation unit includes a water pump and a drip irrigation pipeline for spraying crops connected with the water pump, the water pump is connected to the microprocessor signal through the control switch 3, and the microprocessor receives the humidity signal in the greenhouse value and the preset humidity parameter comparison value, the adjustment of the humidity value in the greenhouse is realized by controlling the opening and closing of the water pump through the control switch three; the control switch three is a relay switch.

Further, the intelligent greenhouse control and management system based on the Internet of Things also includes a control center host and a video surveillance camera, the control center host is used to display the video of the greenhouse transmitted by the video surveillance camera, and the video surveillance camera is used to collect the greenhouse video, and the video signal is transmitted to the control center host; the video surveillance camera is connected to the control center host signal through the goAhead server, and the goAhead server is used to generate interactive functions between the webpage and the greenhouse information, and the images in the greenhouse are displayed on the webpage to realize Remote real-time dynamic video monitoring.

Further, the control center host also includes a temperature setting module, a humidity setting module, and an illumination setting module; the temperature setting module is used to set the comparison value of the temperature parameter to the microprocessor, and the humidity setting module is used to set the The microprocessor sets the comparison value of the humidity parameter, and the illuminance setting module is used to set the comparison value of the illuminance parameter to the microprocessor.

Further, the intelligent greenhouse control and management system based on the Internet of Things also includes a ventilation adjustment unit 1 for ventilating the greenhouse, and the control center host also includes a ventilation adjustment control module; as shown in Figure 6, the ventilation adjustment unit 1 includes the ventilation opening 1-1 opened on the side wall 7 of the greenhouse and the ventilation fan 1-2 embedded in the ventilation opening 1-1. The ventilation fan 1-2 is connected to the ventilation adjustment control module through the control switch 5. The control module controls the opening and closing of the ventilation fans 1-2 through the control switch five; wherein the control switch five is a relay switch.

Further, the intelligent greenhouse control and management system based on the Internet of Things also includes an isolation unit and a PM2.5 detection module respectively connected to the microprocessor signal; Adjust to the isolation mode, that is, to isolate the greenhouse from the external environment; the PM2.5 detection module is used to detect the PM2.5 value in the environment; the microprocessor detects the PM2.5 according to the PM2.5 detection module. 5 signal value and the preset PM2.5 parameter comparison value to control whether the isolation unit works.

Further, as shown in Figure 6, the isolation unit includes an isolation soft board 4, and the isolation soft board 4 is erected and covered on the greenhouse roof frame, wherein the greenhouse roof is an arc-shaped cylindrical structure that arches upward; the isolation soft board 4 One end of the board 4 is located at the lower end of one side of the greenhouse, and is connected with a reel 2 3, and the reel 2 3 is connected with the stepper motor 2 2 shafts, and the stepper motor 2 2 is connected with the microprocessor signal through the motor driver 2, and the microprocessor The device controls the operation of the stepper motor 22 through the motor driver 2 to realize whether the isolation soft board 4 is retracted; the other end of the isolation soft board 4 is located at the lower end of the other side of the greenhouse and is connected with the rope 2 5, and the rope 2 5 is wound On the second rotating shaft located on the outer wall of the greenhouse, the second rotating shaft is connected with the second coil spring 6, and the second coil spring 6 is fixed on the outer wall of the greenhouse. The coil spring 2 is connected to the rope 2 through the rotating shaft 2, and the rope 2 is pulled by the rotation of the stepping motor 2, and then pulls the rotating shaft 2 to rotate, and releases the rope 2. During this process, the coil spring 2 is tightened; when the motor 2 rotates in the opposite direction, the isolation soft plate is automatically pulled to the side of the coil spring 2 during the process of the coil spring 2 being relaxed, so that the isolation soft plate covers the greenhouse roof; the above isolation soft plate The principle of plate covering and open greenhouse roof is similar to the principle of steel tape measure, that is, the rear end of the ruler of steel tape measure is connected to coil spring, the ruler of steel tape measure is pulled out, the coil spring is tightened, and the coil spring is relaxed and the ruler is brought in.

Further, the supplementary light unit includes a rolling shutter mechanism, a supplementary light, and an isolated light protective film, wherein the isolated light protective film is used to prevent the light energy of the supplementary light from being lost to the outside when the light is insufficient; the isolated light protective film Located between the greenhouse roof frame and the isolation soft board 4; the same principle as the isolation soft board 4 covering and opening the greenhouse roof, the shutter mechanism includes a motor one and a reel one connected to the motor one shaft, and the motor one and the reel one are located The lower end of one side of the greenhouse, the stepper motor is connected to the microprocessor signal through the motor driver, the reel is connected to one end of the isolated light protection film, and the other end of the isolated light protection film is located at the lower end of the other side of the greenhouse And connected with the rope one, the rope one is wound on the rotating shaft one arranged on the outer wall of the greenhouse, the rotating shaft one is connected with the coil spring one, the coil spring one is fixed on the outer wall of the greenhouse, and the microprocessor is controlled by the motor driver one The opening and closing of the stepping motor 1 realizes whether the isolation light protection film is retracted; the supplementary light is connected with the microprocessor through the control switch 4, and the microprocessor controls the opening and closing of the supplementary light through the control switch 4; The processor is connected to the host computer of the control center through the wireless communication module, and the microprocessor and the host computer of the control center perform information interaction through the wireless communication module; Observation and control; the fourth control switch is a relay switch.

The hardware used in the present invention is specifically introduced as follows:

Microprocessor of the present invention uses the latest S3C6410 (ARM11) embedded microprocessor of Samsung Company, and the hardware platform UP-CUPIOT-6410-II type development board of concrete use is exactly based on the latest S3C6410 (ARM11) embedded microprocessor of Samsung Company of. S3C6410X is a 16/32 RISC microprocessor with low cost, low power consumption, high performance and other excellent qualities, suitable for mobile phones and a wide range of application development. To provide superior performance for 2G and 3G communication services, S3C6410X adopts a 64/32-bit internal bus structure, and its internal bus is composed of three parts: AXI, AHB and APB. S3C6410X includes many hardware peripherals, 4-channel UART interface, 32-channel DMA, 5-channel 32-bit timer and PWM output, general-purpose I/O port, I2S interface, bus interface, I2C bus interface, USB host, high-speed USB interface OTG device (transfer speed of 480Mbps), 3-channel SD/MMC memory host controller and PLL clock generator. The ARM subsystem is based on the ARM1176JZF-S as the core. It includes independent 16KB instruction and 16KB data cache, 16KB instruction and 16KB data.

Each control switch of the present invention uses a relay control switch: the relay used is a first-stage amplifier circuit, which amplifies the input signal, and then drives the relay to trigger, and controls the supplementary light, the greenhouse air conditioner, the light protection film, and the drip irrigation. and other equipment components; the circuit diagram is shown in Figure 5.

When the temperature measured by the temperature and humidity sensor DHT11 reaches the preset low temperature, the greenhouse will automatically activate the heating rod to heat up the greenhouse. When the greenhouse reaches the preset high temperature, the greenhouse will automatically start the air conditioner to cool down the greenhouse.

Brief introduction of greenhouse temperature sensor DHT11:

The communication of DHT11 can be accomplished through the following several steps (peripheral hardware such as the step of microprocessor reading the data of DHT11).

step one:

After DHT11 is powered on (after DHT11 is powered on, wait for 1s to cross the unstable state and cannot send any commands during this period), test the environmental temperature and humidity data, and record the data, and at the same time, the DATA data line of DHT11 is pulled high by the pull-up resistor. High level; at this time, the DATA pin of DHT11 is in the input state, and the external signal is always detected.

Step two:

The I/O of the microprocessor is set to output and output low level at the same time, and the low level holding time cannot be less than 18ms, then the I/O of the microprocessor is set to the input state, due to the pull-up resistor, the I/O of the microprocessor O, that is, the DATA data line of DHT11 also becomes high, waiting for DHT11 to make a reply signal,

Step three:

When the DATA pin of DHT11 detects the low level of the external signal, it waits for the end of the low level of the external signal. Second high level notifies the peripherals to receive data, the I/O of the microprocessor is in the input state at this time, after detecting the I/O low level (DHT11 response signal), wait for 80 microseconds after the high level data reception.

Step four:

The 40-bit data is output by the DATA pin of DHT11, and the microprocessor receives 40-bit data according to the change of I/O level. The format of the bit data "0" is: 50 microseconds low level and 26-28 microseconds high level Level, the format of the bit data "1" is a low level of 50 microseconds plus a high level of 70 microseconds.

Light sensors use photoresistors:

The photosensitive circuit is placed on the top of the greenhouse, and it is used to detect the light intensity of the outside world. When the light intensity is strong enough, the greenhouse will be in the state of opening the curtain, that is, to allow the light from the outside to enter the greenhouse. When the external light intensity is not strong enough, the greenhouse will automatically put down the light isolation protective film and turn on the supplementary light to supplement the light for the plants, and the light isolation protective film can reduce the loss of light energy in the greenhouse.

camera:

The camera is connected to the PC through the serial port or wirelessly through the development board.

The present invention uses the goahead server to generate interactive functions between web pages and greenhouse information. goAhead is an open source embedded web server with relatively complete functions. goAhead supports asp, embedded, javascript, CGI and static page html. The response speed is fast, and it can handle more than 50 requests per second. If SSI is not included, only 60K of memory is required; if SSI is included, 500K of memory is required. Web pages can be stored in ROM or file system. Support multiple operating systems, including vxWorks, LINUX, Windows, WinCE, etc. Using the Apache server can also generate interactive functions between the webpage and the greenhouse information, but the use of the apache server requires a higher configuration environment and a larger volume, which is suitable for making larger webpages with a huge number of views, so the gohead server is finally selected as the server of the present invention .

Realization of Web server: Web server is a key device for network applications, and information interaction between the two can be completed by using a Web browser. The web server forms information pages with pictures and texts by using HTML hypertext markup language, JavaScript and other languages. The web browser is a common device on the networked desktop. The user interface of the hypertext transfer protocol, the web browser accesses the HTML on the remote web server through the Internet. In the client/browser working environment of the Web, the Web browser plays a controlling role. It uses a URL to obtain the document on the Web server, interprets the HTML, and expresses the content of the document in a manner permitted by the user's environment. Express yourself to the fullest. The Web server provides the means to export information from the device, and the means to display dynamic data through the Common Gateway Interface (CGI). Figure 2 is the working principle of the Web server.

The realization of camera acquisition: its working principle is that the optical image generated by the scene through the lens is projected onto the surface of the image sensor, and then converted into an electrical signal, which becomes a digital image signal after A/D conversion, and then sent to the digital signal processing chip for processing , and then transmitted to the processor on the development board for processing through the USB interface. Figure 3 is a working principle diagram of the camera.

Realization of wireless network card: This design specifically uses USB wireless network card as the data transmission device, which has a very obvious advantage in broadband, the speed can reach 11~108Mbps, and the effective transmission range is large, and it can smoothly transmit video data to the host computer , to achieve smooth video playback.

The collected video can be realized on the mobile phone by using the wireless network card. The video information collected in the greenhouse is displayed on the web page through the web page.

Realization of GSM: Through the 3G network, users can clearly know the real-time information at the first time. The specific framework is as follows, in which Figure 4 is the GSM framework; the GSM module used is Huawei's GTM900B module. GTM900B is a new product released in the past two years, and it is excellent in signal quality and processing capability. After actual testing, the GSM module has high stability, reliability and economy.

The GSM module used for seedling greenhouses uses wireless network GSM nodes to realize the connection between the head of household and the seedling greenhouses by means of mutual sending of short messages. Get real-time information of the greenhouse more quickly and accurately, and at the same time use the wireless network method to avoid the complexity of maintenance.

The GSM module is composed of three parts: collecting information, controlling the host computer, and client terminal. The block diagram details the workflow. For information collection in the greenhouse, after the sensor signal is analyzed by the processor, the signal is transferred to the GSM module, and the GSM module borrows the GSM network to send a text message to the householder's mobile phone to inform the householder of the instant information in the seedling greenhouse.

1) Conclusion

The present invention is through the research of greenhouse environment control system and system hardware and software platform are designed: for greenhouse environment realization automatic control has done beneficial exploration and try and summarizes as follows:

1. Introduce the idea of embedded system design into the greenhouse control system, which greatly exerts the advantages of low cost, high performance and high efficiency of arm, and plays an important role in reducing the overall cost of the greenhouse environment control system and improving the overall performance of the system important role.

2. Using network access, the advantage of low cost is conducive to the expansion of the greenhouse control system and the improvement of the security and reliability of the system, which is more convenient for users to use.

2) Outlook

With the advancement of science and technology, economy and society, intelligent greenhouses will develop in a more advanced direction. Our works hope to be applied in agriculture to change the complex working mode of traditional agriculture, improve agricultural production efficiency, and improve the quality of agricultural products. , reduce human resources, and realize intelligent agricultural control. Farmers can know the information of the crops in the greenhouse at home, and make real-time corresponding adjustments to the environment in the greenhouse according to the information, so that the crops can always grow in the most suitable environment, so that farmers can get the best quality crops, and can reduce the workload of farmers, reduce the cost of agricultural products, and change the current situation of "no money for farmers to earn" in farming. It is hoped that farmers can live a well-off life and let the traditional Chinese agricultural model Get changed and develop a road that belongs to the agricultural Internet of Things.

To sum up, the present invention provides an intelligent greenhouse control and management system based on the Internet of Things, which can collect environmental information in the greenhouse through sensors and cameras, and control the execution of equipment in the greenhouse through the collection of these information. This part is the intelligent change made by the device according to the preset information. Connect the control device with the Internet, and upload sensor information, control device information, and video information collected by the camera to the webpage management system through the gohead server in real time. The login of this webpage management system is not limited to the local Internet, and can also be applied to mobile With the use of the Internet, users can use computers or mobile handheld devices to log in to the webpage of the intelligent greenhouse lighting and heating information management system to obtain greenhouse information and control greenhouse equipment. The present invention uses the GSM module to carry out information alarm. Once it is recognized that the environmental factors in the greenhouse are not conducive to plant growth, it will immediately send a warning message to the user's preset phone number to remind the user that the environmental factors in the greenhouse need to be changed at this time, so that The user adjusts accordingly.

The video display module of the present invention performs real-time video monitoring on the greenhouse through the goahead server, sends the video content to the goahead server, and the user can observe the conditions in the greenhouse by opening the webpage. Through the wireless module, users can use mobile handheld devices to observe and control the greenhouse anytime and anywhere, making the user's operation more convenient. The control operation module includes a series of control operations such as ventilation, temperature rise and fall, humidity adjustment, light supplement, etc., which are used to control the environment in the greenhouse, and the intelligent control is also preset according to the user's preset optimal environmental parameter values for plants. The equipment in the greenhouse makes intelligent changes. The GSM module identifies the information received by the sensor. Once it recognizes that the environmental factors in the greenhouse are not conducive to plant growth, it will immediately send a warning message to the user to remind the user that the environmental factors in the greenhouse need to be changed at this time. In addition to the above functions, this greenhouse can switch between three different modes: supplementary light mode, isolation mode, and natural mode to make plants grow better.

The present invention can be applied in the fields of planting crops, cultivating flowers, cultivating tree seedlings, and constructing landscape greenhouses, and can aim at some plants with higher environmental requirements, so that their quality is better, their ornamental value is higher, and their income is increased. , Change the complex working mode in these fields, improve production efficiency, reduce human resources, realize intelligent agricultural control, and realize a road belonging to the agricultural Internet of Things.

The above disclosures are only a few specific embodiments of the present invention, however, the embodiments of the present invention are not limited thereto, and any changes conceivable by those skilled in the art shall fall within the protection scope of the present invention.

Claims (8)

1. a kind of intelligent greenhouse control and management system based on Internet of Things, it is characterised in that including microprocessor, information gathering Unit, thermostat unit, light filling unit, spray drop fill unit and GSM text message alarm；

Described information collecting unit is used to gather illuminance signal value, temperature signal value and the moisture signal value in greenhouse, and will The illuminance signal value, temperature signal value and moisture signal value send microprocessor to；

The microprocessor is used for according to the illuminance signal value and default illuminance parameter comparison value, described in control Whether light filling unit works；It is additionally operable to according to the temperature signal value and default temperature parameter comparison value, described in control Whether thermostat unit works；It is additionally operable to according to the moisture signal value and default humidity parameter comparison value, control It is sprayed and fills whether unit works；

The light filling unit be used for illumination deficiency or when night to greenhouse in increase illumination；

The thermostat unit is used to adjust the temperature value in greenhouse；

The humidity and supply moisture to the crop in greenhouse that the spray drop filling unit is used to increase in greenhouse；

When the temperature and humidity value in greenhouse exceeds the setting value of microprocessor, the exceeded alarm signal of humiture is passed by microprocessor Give GSM text message alarm；

The intelligent greenhouse control and management system based on Internet of Things also includes isolating list with what microprocessor signals connected respectively Member and PM2.5 detection modules；When the isolated location is used to run into haze bad weather, greenhouse is adjusted to isolation mode In, i.e., greenhouse is mutually completely cut off with external environment；The PM2.5 detection modules are used to detect the PM2.5 numerical value in environment；It is described The PM2.5 signal values and default PM2.5 parameters comparison value that microprocessor detects according to the PM2.5 detection modules, Control whether the isolated location works；

The isolated location includes isolation soft board (4), and the isolation soft board (4) sets up and is covered on greenhouse ceiling frame, its Medium temperature chamber's ceiling is the curved circular cylindrical structure to arch upward upwards；One end of isolation soft board (4) is located at the lower end of greenhouse side, and even Spool two (3) is connected to, the spool two (3) and stepper motor two (2) axis connection, stepper motor two (2) pass through motor driver Two are connected with microprocessor signals, and microprocessor controls stepper motor two (2) operating to realize that isolation is soft by motor driver two Whether plate (4) furls；The other end of the isolation soft board (4) is located at the lower end of greenhouse opposite side and is connected with rope two (5), The rope two (5) is wrapped in the rotary shaft two on greenhouse outer wall, and rotary shaft two is connected with disc spring two (6), disc spring two (6) it is fixed on greenhouse outer wall.

2. a kind of intelligent greenhouse control and management system based on Internet of Things as claimed in claim 1, it is characterised in that described Information acquisition unit includes the Temperature Humidity Sensor and light sensor being connected respectively with microprocessor signals；The humiture Sensor is specifically DHT11 Temperature Humidity Sensors.

3. a kind of intelligent greenhouse control and management system based on Internet of Things as claimed in claim 1, it is characterised in that described Thermostat unit includes the air conditioner and heating rod in greenhouse；The use in refrigeration system exceedes setting in warm indoor temperature During temperature, to greenhouse cooling；When the heating rod is less than design temperature for warm indoor temperature, heated up to greenhouse；The air-conditioning Machine is connected by controlling switch one with microprocessor signals, and heating rod is connected by controlling switch two with microprocessor signals, micro- Processor is opened according to the temperature signal value and default temperature parameter comparison value received by controlling switch one and control Two are closed to control the keying of air conditioner and heating rod；The controlling switch one and controlling switch two are relay switch.

4. a kind of intelligent greenhouse control and management system based on Internet of Things as claimed in claim 1, it is characterised in that described It is sprayed and fills the spray drip irrigation pipeline for crop of spraying that unit includes water pump and coupled with water pump, the water pump passes through controlling switch Three are connected with microprocessor signals, and microprocessor is according to moisture signal value in the greenhouse received and default humidity parameter Comparison value, the regulation of humidity value in greenhouse is realized by the keying of the control water pump of controlling switch three；Wherein controlling switch three is Relay switch.

A kind of 5. intelligent greenhouse control and management system based on Internet of Things as claimed in claim 1, it is characterised in that the base Also include control centre's main frame and video monitoring camera, the control in the intelligent greenhouse control and management system of Internet of Things Central host is used for the video for showing the greenhouse that video monitoring camera is transmitted, and video monitoring camera is used to gather greenhouse Video, and vision signal is sent to control centre's main frame；The video monitoring camera passes through goAhead servers and control Central host signal connects, and webpage and greenhouse information is produced into interactive function with goAhead servers, by the image in greenhouse It is shown on webpage, realizes long-range real-time video monitoring.

6. a kind of intelligent greenhouse control and management system based on Internet of Things as claimed in claim 5, it is characterised in that described Control centre's main frame also includes temperature setting module, humidity setup module and illuminance setup module；The temperature setting mould Block is used to set microprocessor the temperature parameter comparison value, and the humidity setup module is used for described in microprocessor setting Humidity parameter comparison value, the illuminance setup module are used to set the illuminance parameter comparison value to microprocessor.

A kind of 7. intelligent greenhouse control and management system based on Internet of Things as claimed in claim 5, it is characterised in that the base Also include being used for the ventilation regulation unit (1) to greenhouse ventilation, the control in the intelligent greenhouse control and management system of Internet of Things Central host processed also includes ventilation parameters control module；The ventilation regulation unit (1) includes being opened in greenhouse side wall (7) Ventilating opening (1-1) and the ventilation fan (1-2) being embedded on ventilating opening (1-1), the ventilation fan (1-2) are opened by control Close five to be connected with ventilation parameters control module signal, ventilation parameters control module controls ventilation fan (1-2) by controlling switch five Keying；Wherein controlling switch five is relay switch.

8. a kind of intelligent greenhouse control and management system based on Internet of Things as claimed in claim 1, it is characterised in that described Light filling unit includes structure of rolling, light compensating lamp, isolation illumination diaphragm, wherein when isolation illumination diaphragm is used for illumination deficiency, The luminous energy of light compensating lamp is prevented outwardly to be lost in；It is described isolation illumination diaphragm be located at greenhouse ceiling frame and isolate soft board (4) it Between；The structure of rolling includes motor one and the spool one with the axis connection of motor one, and motor one and spool one are located at greenhouse one The lower end of side, the stepper motor one are connected by motor driver one with microprocessor signals, and the spool one is with isolating light Connected according to one end of diaphragm, the other end of isolation illumination diaphragm is located at the lower end of greenhouse opposite side and connected with rope one Connect, the rope one is wrapped in the rotary shaft one on greenhouse outer wall, and rotary shaft one is connected with disc spring one, and disc spring one is fixed In on greenhouse outer wall, microprocessor controls the keying of stepper motor one to isolate illumination diaphragm to realize by motor driver one Whether furl；The light compensating lamp is connected by controlling switch four with microprocessor, and microprocessor is controlled by controlling switch four and mended The keying of light lamp；The microprocessor is connected by wireless communication module with control centre host signal, microprocessor and control Central host carries out information exchange by wireless communication module；The wireless communication module also with user's mobile hand-held device signal Connection, enables user that greenhouse is observed and controlled whenever and wherever possible；Wherein controlling switch four is relay switch.