CN111432370A - Data collection method for environment control system of modern farm - Google Patents
Data collection method for environment control system of modern farm Download PDFInfo
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- CN111432370A CN111432370A CN202010344586.9A CN202010344586A CN111432370A CN 111432370 A CN111432370 A CN 111432370A CN 202010344586 A CN202010344586 A CN 202010344586A CN 111432370 A CN111432370 A CN 111432370A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/38—Services specially adapted for particular environments, situations or purposes for collecting sensor information
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- H—ELECTRICITY
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- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
- H04L67/125—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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Abstract
The invention discloses a data collection method of an environment control system of a modern farm, which is provided with a data collector, a cloud server, a router and environment control boxes, wherein a short-distance wireless lora radio frequency transmission technology and an embedded technology are adopted to form a small Internet of things for networking all the environment control boxes in the farm, then data are collected in the farm and are connected to the router through a network cable, and the data are connected to the cloud server in a broadband or GPRS mode or are sent to a management system in a plant of a user.
Description
Technical Field
The invention relates to the field of combination of Internet of things ad hoc network, communication technology and modern breeding, in particular to a data collection method for an environment control system of a modern farm.
Background
The development and penetration of the technology of the internet of things have already entered various fields. A vast population of people always exists in the Zan countries, the national quality of life is improved along with the economic development of the countries, the demand of pork and livestock and poultry food is huge, the modern large-scale cultivation gradually replaces the traditional cultivation and is the future trend, and the intelligent auxiliary cultivation is also the best assistant for the modern cultivation.
The quantity of the large-scale farm is large, the concentration is high, the environment is relatively severe, the enterprise profit rate is low, the culture degree of employees is not high, the use is convenient, the Internet of things scheme emphasizing the cost performance is very little in the industry at present.
At present, a small part of large-scale farms with advanced concepts adopt the GPRS network of the mobile communication company to transmit data, and the GPRS network transmits data by means of a mobile communication base station by installing a mobile phone card or a special internet of things card for each environment control box, as shown in fig. 1.
The environment control box is provided with a mobile phone traffic card, the mobile phone traffic card sends the data collected by the environment control box to a mobile communication base station, the base station sends the data to a special network server, and the network server sends the data to a computer or a mobile phone of a user. Thus, the user can view the data collected by the environment control box and modify the setting parameters on the environment control box.
The set of solutions can solve the basic needs of users, but there are many problems:
1. the cost is high, and each environment control box is provided with hardware equipment of the GPRS communication part, which is a higher expense. The network of a mobile communication operator is used, each device needs to pay flow fee, and as dozens of devices and hundreds of devices are used in a farm, the cost is not small all the year round.
2. The commonality of scheme is not strong, and the plant is many to be built in remote mountain area, or the place that people smoke sparsely, and the network signal is poor, and equipment often breaks the net, influences the stability of product. Therefore, the method is easy to cause, the product use experience is good in places with good signals, and the product use experience is poor in places with poor signals.
3. The scheme is not suitable for large-scale use, the product can be normally used when the number of the equipment is small and hundreds or thousands of users due to the huge market size of the product, and when the number of the equipment reaches tens of thousands or hundreds of thousands, the equipment is broken down easily because the server cannot bear the load at 3-1 part. The expansion and the post-maintenance of the server are huge expenses and are not affordable for general companies.
4. High data transmission delay and poor safety. Data firstly reaches a public network part and then is transmitted back, data transmission is easily interfered by a network, sometimes, key data transmission is not timely, in addition, the safety of the data also has problems, and the data is easily stolen by others.
5. The scheme needs maintenance of a specially-assigned person, such as renewal of a flow card and the like, and the upgrading maintenance of the network server is a continuously-consumed expense in the later period.
Disclosure of Invention
The invention provides a data collection method of an environmental control box for a farm, which is mainly applied to solving the defects and problems in the background technology in the current intelligent breeding fast development period, has the functions of self-networking, is convenient to use, does not need manual maintenance, is low in cost, adopts industrial-grade large-batch mass production chip design, is stable and durable, privates a network environment, is safe and reliable in data, and has high application value.
The technical scheme of the invention is as follows:
a data collection method of a modern farm environment control system is provided with a data collector, a cloud server, a router and environment control boxes, wherein a short-distance wireless lora radio frequency transmission technology and an embedded technology are adopted to network all the environment control boxes in a farm into a small Internet of things, data are concentrated in the farm and then are connected to the router through a network cable, and the data are connected to the cloud server in a broadband or GPRS mode or sent to a management system in a factory of a user.
In the technical scheme, a wireless lora radio frequency network is established by a data acquisition device, and all environment control boxes in a field area are automatically added into the network to form a wireless mesh local area network; the data of all the environment control boxes are collected on the data collector firstly, the data collector transmits the data to the router through the network cable, the router directly transmits the data to a computer of a user through another network cable or transmits the data to the cloud server, and then the cloud server transmits the data to the computer of the user.
As an optimization of the above technical solution, the data collector may also transmit data to the cloud server through the GPRS network.
The data collection method of the modern farm environment control system provided by the invention has the advantages of self-networking function, convenience in use, no need of manual maintenance, low cost, privatization of network environment and safety and reliability of data, so that the method has very high practical application value, and has the following beneficial effects:
1. the cost is low, the product adopts L ORA radio frequency communication technology, third party communication cost is not required to be paid, and the hardware cost of L ORA radio frequency is only 20% of the hardware cost of GPRS.
2. The use is convenient: data are transmitted wirelessly, wiring is not needed, and installation and construction are convenient; the equipment is provided with an ad hoc network, automatically collects data, does not need manual intervention and is convenient for users to use; the equipment network also does not need maintenance, and manpower resources are saved.
3. The application range is wide: the communication does not relate to third-party equipment, and is not influenced by the signal intensity of a base station of a network operator unlike GPRS (general packet radio service), the equipment can be stably used in mountainous areas, cities, plains and other environments, and is particularly suitable for pig farms, chicken farms and other breeding enterprises which need to be established in remote areas and have poor coverage of the base station of the operator.
4. The equipment is stable in use: the device is used without any third-party device, and is installed at the end of the service life of a product without any change. The communication of the GPRS-like equipment depends on a network operator and a cloud server, and once a fault or service adjustment occurs in an operator enterprise or a cloud server enterprise, the irretrievable fault can be caused, so that the production of a user is seriously influenced or even stopped, and the loss of equipment manufacturers is inevitable.
5. The safety and the confidentiality of enterprise production data are high: the communication scheme can be completely used in the local area network environment established by the communication scheme, the production requirements of breeding enterprises are met, in the era of Internet of things and big data, data is also a precious resource, the data can be selected not to be transmitted to a public network, and the data security is very high.
Drawings
Fig. 1 is a diagram illustrating a GPRS network of a mobile communication company for data transmission according to the prior art.
Fig. 2 is a schematic overall structure diagram of an embodiment of the data collection method of the modern farm environmental control system for a farm according to the present invention.
Fig. 3 is a schematic diagram of a power-on starting process of a data collector according to an embodiment of the data collection method of a modern farm environmental control system of a farm of the present invention.
Fig. 4 is a schematic diagram of a power-on starting process of an environmental controller according to an embodiment of the present invention, which is directed to a data collection method of a modern farm environmental control system of a farm.
Detailed Description
In order to facilitate an understanding of the invention, the invention is described in more detail below with reference to the accompanying drawings and specific examples. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Abbreviations and Key term definitions
An environment control box: can automatic acquisition pig house, chicken coop in pig farm, the chicken coop temperature, humidity and carbon dioxide concentration to can be according to these data, automatic control cooling, rising temperature equipment, ventilation equipment are in order to reach the equipment of regulation indoor air quality.
Ad hoc networking: the communication equipment is automatically connected together without human interference, and can transmit data between the communication equipment and the communication equipment.
Private network-as opposed to a private network, a public network, i.e., a local area network that is not connected to an external network.
GPRS network 2G/3G/4G/5G mobile phone network
L ORA radio frequency technology, L ORA technology-based radio frequency modulation technology and wireless communication mode
Time division multiplexing: the time is used as a mark, different time points are distributed to different devices, and the device can play more roles than a person.
As shown in fig. 2-4, a data collection method for a modern farm environment control system is provided with a data collector, a cloud server, a router and an environment control box, when equipment is started, 2-1 (the data collector) can automatically establish a wireless lora radio frequency network, and all environment control boxes in the fields such as the environment control boxes 1-1, 1-2, 1-3, 1-4 and the like can automatically join the network to finally form a wireless mesh local area network. Data of all the environment control boxes are collected on the data collector 2-1, the data collector 2-1 can transmit the data to the router 3-1 through the network cable G, the router 3-1 can directly transmit the data to a computer of a user through the network cable H, the data can also be transmitted to the cloud server 4-1, and then the data are transmitted to the computer of the user through the cloud server 4-1. The data collector 2-1 can also transmit data to 4-1 (cloud server) through the GPRS network K.
Example 1
Establishment of lora wireless mesh local area network and data collection of data concentrator
1. As shown in fig. 3, after the data collector 2-1 is powered on, it will read the serial number of the product in the ARM controller, and since the serial number has global uniqueness, it is suitable for being used as the physical address of the network node of the data collector 2-1, and at the same time, it also assigns a fixed network address number 1 to itself. From there, data collector 2-1 enters a standby state, waiting for the environmental control box (e.g., 1-1, 1-2, 1-3, 1-4) to join the network.
2. As shown in fig. 4, after the environment control box (e.g. 1-1, 1-2, 1-3, 1-4) is powered on, it will read the serial number of the product in the ARM controller and use it as the physical address of the node, then send out the information frame with the physical address to search the data collector 2-1 with the network address number 1 and apply for the network address number to the data collector 2-1, after the data collector 2-1 receives the signal of the environment control box, it will record the physical address of the data, first check that there is no communication record before this address, if there is, take out his network address, if there is not, and assign a network address number to the environment control box device, and finally send this network address number back to the corresponding environment control box device. After receiving the data returned by the data collector 2-1, the environment control box firstly judges whether the attached physical address is the network address of the equipment, if so, the network address number contained in the information is used as the network address number of the equipment, and if not, the environment control box reapplies.
3. After the network is established, the data acquisition unit 2-1 starts to acquire data, firstly sends a 'data acquisition start information frame' which is used as a network time mark, then every 1s, one environment control box sends own data to the data acquisition unit, and the sending sequence is according to the network address number sequence of each environment control box (for example, No. 1 is the data acquisition unit itself, the data starts from 2 seconds, the environment control box with the network number of 2 sends the data, the environment control box with the network number of 3 seconds sends the data, and so on, so as to ensure that each environment control box sends the data in order, and the data do not conflict with each other, and the time-sharing multiplexing radio frequency network is realized). After a period, data collector 2-1 sends the "data collection start information frame" again, looping.
4. After the network is established, each environment control box (for example: 1-1) will optimize its data transmission table periodically. The method comprises the following steps:
41. the environmental control box directly sends data to the data acquisition unit 2-1, tries to test whether return data of the data acquisition unit 2-1 can be received, records the intensity of the received data signal if the return data can be received, marks the distance as 1 to indicate that the distance is short, and can directly receive and send the data with the data acquisition unit 2-1; if the distance mark is not 1, the data is sent again, and the equipment with the distance mark being 1 is searched;
42. checking whether the reply information can be received, if so, recording the addresses of all the reply data, recording the signal strength of each device, and selecting the record with the strongest two signals to indicate that the distance is close. While recording its own distance flag as 2. Similarly, if no reply is received, searching for the equipment with the distance of 2, and marking the equipment as 3;
43. the maximum of the communication protocol is 3, 3 is enough to be used, and then when data is transmitted, the data is directly sent to recorded equipment, and the equipment is responsible for forwarding the data to a data acquisition unit 2-1.
Example 2
User viewing data of environmental control box
The data of the environment control box reaches the user end, and has the following three paths,
1. the data acquisition unit 2-1 transmits data to the cloud server 4-1 through the GPRS network K, a WEB website site is established on the cloud server 4-1, and a user inputs a website address of the website on a computer, so that the environment control content can be checked just like normal internet surfing.
Packet data format: "pig farm name", "number of environment control boxes", "1 data of environment control box", "2 data of environment control box". - "
Environment control box data format: pigsty unit number, temperature, humidity, carbon dioxide concentration, equipment running state and data verification "
2. The data acquisition unit 2-1 transmits data to the router 3-1 through a network cable G, then transmits the data to the cloud server 4-1 through the Internet 1, establishes a WEB site on the cloud server 4-1, and a user inputs the website address of the website on a computer, just like normal internet surfing, so that the environment control content can be checked. The data format is the same as the first.
3. A micro WEB site is established inside the data collector 2-1 by utilizing an embedded technology, and a user 5-1 in a local area network in a pig farm can input an IP address of the data collector 2-1, namely, the user can log in the WEB site to check the data of the pig farm.
The selection of these three data transmission modes is automatic. After the data acquisition device 2-1 is powered on and started, the data acquisition device is firstly connected with the cloud server 4-1 through the 2 nd mode, and if the data acquisition device is not successful, the 1 st mode is selected to be connected with the cloud server 4-1. The 3 rd mode is selected by the user, and the user only needs to directly input the IP address of the data acquisition unit 2-1.
The technical features mentioned above are combined with each other to form various embodiments which are not listed above, and all of them are regarded as the scope of the present invention described in the specification; also, modifications and variations may be suggested to those skilled in the art in light of the above teachings, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. The utility model provides a modernized plant environmental control system data collection method, its characterized in that is equipped with data collection station, cloud end server, router, environmental control case, adopts wireless lora radio frequency transmission technology and embedded technique in a short distance, becomes small-size thing networking with all environmental control case networks in the plant, concentrates the back through the net twine with data in the field area and is connected to the router again, sends to cloud end server or directly is connected to cloud end server with GPRS's mode, or on reaching user's the interior management system of factory, specifically is:
q1: establishing a lora wireless mesh local area network and collecting data by a data concentrator: a wireless lora radio frequency network is established by a data acquisition device, and all environment control boxes in a field area are automatically added into the network to form a wireless mesh local area network;
q2: after the network is established, the data of all the environment control boxes optimizes own data transmission paths regularly, the data is firstly collected on a data collector, the data collector transmits the data to a router through a network cable, the router directly transmits the data to a computer of a user through another network cable or transmits the data to a cloud server, and then the cloud server transmits the data to the computer of the user,
q3: the data of the environmental control box is viewed by the user.
2. The data collection method of the modern farm environmental control system according to claim 1, wherein the creation of the lora wireless mesh local area network and the data collection of the data concentrator are performed by a Q11: after the data acquisition unit is started and powered on, reading a product serial number in the ARM controller as a network node physical address of the data acquisition unit, and meanwhile, distributing a fixed network address number to the data acquisition unit, wherein the data acquisition unit enters a standby or monitoring state from the moment and waits for an environment control box to be added into the network;
q12: after the environment control box is started and powered on, reading a product serial number in an ARM controller and using the product serial number as a physical address of the node, then sending a data acquisition unit with a network address number in a step of searching Q11 by an information frame with the physical address, applying for the network address number to the data acquisition unit, recording the physical address of the frame data by the data acquisition unit after receiving a signal of the environment control box, checking whether the address has a communication record before, if so, taking out the network address of the data acquisition unit, if not, allocating a network address number for the environment control box equipment, and finally sending the network address number back to the corresponding environment control box equipment;
q13: after receiving the data returned by the data collector, the environment control box judges whether the attached physical address is the network address of the equipment, if so, the network address number contained in the information is used as the network address number of the equipment, and if not, the environment control box reapplies;
q14: after the network is established, the data acquisition unit starts to acquire data, firstly sends a data acquisition starting information frame as a network time mark, then every 1s, one environment control box sends own data to the data acquisition unit, the sending sequence is according to the network address numbering sequence of each environment control box, after one period, the data acquisition unit 2-1 sends the data acquisition starting information frame again, and the process is circulated.
3. The data collection method of the modern farm environmental control system according to claim 1, wherein after the network is established, each environmental control box optimizes its data transmission path in time by the following steps:
q21: the environmental control box directly sends data to the data acquisition unit, tries to test whether the returned data of the data acquisition unit can be received, records the intensity of the received data signal if the returned data of the data acquisition unit can be received, marks the distance as 1 to indicate that the distance is short, and can directly receive and send the data with the data acquisition unit; if the distance mark is not 1, the data is sent again, and the equipment with the distance mark being 1 is searched;
q22: checking whether the reply information can be received or not, if so, recording the addresses of all the reply data, recording the signal strength of each device, and selecting the record with the strongest two signals to indicate that the distance is close; meanwhile, recording the self distance mark as 2, and similarly, if no reply is received, searching the equipment with the distance of 2 and marking the self distance mark as 3; the maximum of the communication protocol is 3, 3 is enough to be used, and then when data is transmitted, the data is directly sent to recorded equipment, and the equipment is responsible for forwarding the data to a data acquisition unit.
4. The data collection method of the modern environmental control system for farm according to claim 1, wherein the data of the environmental control box arrives at the user end by following three paths,
q31: the data acquisition unit transmits data to the cloud server through the GPRS network K, a WEB website site is established on the cloud server, and a user inputs a website address of the website on a computer, so that the environment control content can be checked just like normal internet surfing;
q32: the data acquisition unit transmits data to the router through a network cable and then transmits the data to the cloud server through the Internet, a WEB website site is established on the cloud server, a user inputs a website address of the website on a computer, the content of the environmental control can be checked just like normal internet surfing, and the data format is the same as that of the first type;
q33: a micro WEB site is established inside a data collector by using an embedded technology, and a user in a local area network in a field can input an IP address of the data collector, namely the user can log in the WEB site and check the data of the field.
5. The data collection method of the modern farm environmental control system according to claim 4, wherein the selection of the three data transmission modes for the data of the environmental control box to reach the user side is automatic, after the data acquisition device is powered on and started, the cloud server is connected through the 2 nd mode, if the data acquisition device is not successful, the 1 st mode is selected and connected with the cloud server, the 3 rd mode is selected by the user, and the user directly inputs the IP address of the data acquisition device.
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