CN110769391A - Environmental technology warehouse communication system - Google Patents
Environmental technology warehouse communication system Download PDFInfo
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- CN110769391A CN110769391A CN201911005304.6A CN201911005304A CN110769391A CN 110769391 A CN110769391 A CN 110769391A CN 201911005304 A CN201911005304 A CN 201911005304A CN 110769391 A CN110769391 A CN 110769391A
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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
- H04W4/30—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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
- H04W52/0219—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave where the power saving management affects multiple terminals
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses an environment process warehouse communication system, which comprises an environment process warehouse network system, wherein the environment process warehouse network system comprises a sensor network and a CAN network, the sensor network comprises a plurality of wirelessly interconnected sensor nodes, the CAN network comprises a CAN bus, the sensor networks are respectively connected to a sink node in a multi-hop mode, the sink node is connected to the CAN bus of the CAN network through a CAN interface unit, the sensor networks and the CAN network form a combined network through the sink node, the CAN network of the CAN bus is connected with a core switch through a CAN-to-Ethernet converter, is connected to the Internet through the core switch, and is interconnected with a data platform through the Internet; the invention jointly networks the separated sensor network and the on-site CAN network, optimizes the network architecture, reduces the requirement on the coverage area of the wireless sensor node, reduces the energy consumption of the node, and is worthy of great popularization.
Description
Technical Field
The invention relates to the technical field of environmental process warehouses, in particular to an environmental process warehouse communication system.
Background
With the research and development of the wireless sensor network, the wireless sensor network has favorable performances in military reconnaissance, environmental monitoring, medical treatment and health, agriculture and intelligent home buildings. In the aspect of military reconnaissance: by means of the characteristics of low self power consumption, small volume, high concealment, good anti-damage performance, strong self-organizing capability and the like of the WSN, the possibility of military reconnaissance of zero casualties is realized: the detection device of the sensor network is arranged in the enemy battlefield by means of airplane broadcasting, special shell launching and the like, so that the damage of investigation personnel can be reduced, accurate information can be obtained, and the detection is not easy to find. Except for the aspect of detecting information, the wireless sensor network can be additionally arranged on soldiers, equipment and military fires for identification, distinguishing enemies and my and preventing mistaken hitting; tracking the position of a shooting object to realize accurate guidance; whether the attacks of biochemical weapons and nuclear weapons exist or not is judged timely and accurately, the position is determined, and casualties are reduced to the greatest extent. In the aspect of environmental monitoring: in order to prevent the further deterioration of the natural environment, people apply the wireless sensor network to environment monitoring to monitor the environmental changes of plains, forests, oceans and the like; detecting forest fires and floods; judging disasters; meteorological research, monitoring air pollution, water pollution and soil pollution; surface detection species tracking, and the like. In terms of medical hygiene: the wireless sensor network can install the sensor node with special purposes on the acquired information, such as monitoring of heart rate, blood pressure and the like, so that the doctor can know the state of an illness of a patient to be protected at a far end at any time and can timely handle and rescue the patient. In the agricultural aspect: in a large nursery site or a farmland irrigation area, a wireless network is utilized to collect relevant parameters for agricultural research or system control; performing field research analysis and ecological climate research according to various parameters measured by the selected points; soil moisture and air moisture are monitored to control irrigation. In the aspect of intelligent house: by adopting the wireless sensor network, the nodes are arranged on the building body, and the intelligent building provided with the sensor network can automatically inform the management department of the state information of the intelligent building, so that the management department can carry out a series of repair work according to the priority. By the same principle, the protection of ancient buildings and precious cultural relics can be enhanced, nodes with sensors for temperature, humidity, pressure, acceleration, illumination and the like are distributed on the protected objects and the surroundings, the states of the protected buildings and the cultural relics can be effectively monitored, and the protection purpose is achieved. The occurrence of 911 events in the united states has made counterterrorism a common concern in countries. The anti-terrorism problem is mainly to collect information in time, enhance the monitoring of the surrounding environment, effectively deal with emergencies in time, apply the sensor network technology to the anti-terrorism problem and effectively prevent terrorist attack events.
The internet of things and the wireless sensor network are a non-porous and non-invasive huge network in the future, and the application of the network can relate to all fields of human daily life and social production activities.
The environmental process warehouse needs to be configured with a large number of sensor nodes, the environmental process warehouse is suitable for occasions using the wireless sensor network, but the wireless sensor network just starts to be developed, and the technology and the application of the wireless sensor network are far from mature. For example, the sensor node is limited in energy and environment, and is usually powered by a non-replaceable and limited-power battery, and when the battery is exhausted, the sensor node will not continue to operate. In the field of sensor networks, energy consumption is reduced through optimization of various topological structures and algorithms, so that the safety and stability of a communication network are kept, but the sensor network serving as a communication network can also play a role in reducing energy consumption by optimizing the network architecture and the hierarchy of the sensor network, so that the invention considers the construction of an environment process warehouse communication architecture capable of reducing energy consumption.
Disclosure of Invention
The invention aims to provide an environment process warehouse communication system with low communication energy consumption so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an environmental technology warehouse communication system, including environmental technology warehouse network system, environmental technology warehouse network system includes sensor network and CAN network, sensor network includes the sensor node of the wireless interconnection of a plurality of, the CAN network includes the CAN bus, a plurality of sensor network is connected to the convergent node through the mode that multihops respectively, the CAN bus that the convergent node is connected to the CAN network through CAN interface unit, a plurality of sensor network constitutes the combination network through convergent node and CAN network, the CAN network of CAN bus changes ethernet converter through the CAN and connects the core switch, be connected to the internet through the core switch, and interconnect with data platform through the internet.
As a preferable mode of the present invention: the data platform comprises a database server, a WEB server, a digital certificate server and a public key/private key server, wherein the database server, the WEB server, the digital certificate server and the public key/private key server are connected through a local area network and share each function of the data platform respectively.
As a preferable mode of the present invention: the data platform can also be connected with a management platform through the Internet to access a management function.
As a preferable mode of the present invention: the plurality of proximity sensor nodes are networked to form a sensor network, the sensor network is connected to a CAN (controller area network) through a sink node, is networked with the CAN, and uploads data to a data platform through the CAN.
The sensor nodes are networked in a separated networking mode, so that the requirement on the transmitting range of the sensor nodes is greatly reduced, and the energy consumption of the sensor nodes is reduced;
the sink nodes are networked by using a high-speed field CAN network, the level of a wireless network is reduced, the stability of network transmission is improved, and the scale of the sensor network is reduced, so that the difficulty of the sensor network topology is reduced, the sensor network architecture CAN be better optimized by a topological algorithm, and the energy level loss is reduced.
And the collected data is transmitted through a high-speed field CAN network, and the collected data CAN share the same CAN bus with other field equipment which is merged into the CAN network, so that the networking cost is reduced.
As a preferable mode of the present invention: the sensor node comprises a sensor module, a processor module, a wireless communication module and an energy supply module, wherein the sensor module is connected with the signal input end of the processor module, and the processor module is bidirectionally connected with the wireless communication module; the energy supply module is connected with the sensor module, the processor module and the wireless communication module. Preferably, the wireless communication module is further connected to the antenna unit. The transceiving range of the transceiver is improved. The processor module receives the signals of the sensor module and then sends the signals through the wireless communication module. The energy supply module supplies power to the node.
As a preferable mode of the present invention: the energy supply module is connected with the solar thin film battery through the micro-power charging unit and comprises a multi-battery charging management unit, a multi-battery discharging management unit, a voltage detection module, a micro-control unit and a plurality of battery units connected in parallel, wherein the battery charging management unit is respectively connected with the plurality of battery units, and the battery discharging management unit is respectively connected with the plurality of battery units; the battery units are respectively connected with the voltage detection module, the voltage detection module is connected with the micro control unit, and the micro control unit is connected with the multi-battery charging management unit and the multi-battery discharging management unit. The voltage detection module detects the voltage of the battery unit, the electric quantity of the battery unit is judged through the detected voltage, the multi-battery charging management unit is used for managing charging of the battery unit, and the multi-battery discharging management unit is used for managing discharging of the battery unit.
As a preferable mode of the present invention: the low-energy charging and discharging method of the energy supply module comprises the following steps:
the solar thin-film battery collects and converts solar energy into electric energy, the micro-power charging unit converts the power output by the solar thin-film battery into an energy source capable of charging the button lithium battery, and the electric energy is output to the multi-battery charging management unit;
during charging, the micro control unit starts traversing from the first battery unit in the plurality of battery units, checks the electric quantity condition of the first battery unit, determines whether to charge the first battery unit, only charges one battery unit at a moment, and after the current battery unit is fully charged, the micro control unit continuously traverses the battery unit which needs to be charged or not, and repeats the charging step;
during discharging, the micro control unit starts traversing from a first battery unit in the plurality of battery units, checks the electric quantity condition of the first battery unit, determines whether to use the first battery unit to supply power, only uses one battery unit to supply power at a moment, and when the electric quantity of the current battery unit is too low, the micro control unit continues traversing the battery units capable of supplying power and repeats the power supply steps.
Compared with the prior art, the invention has the beneficial effects that: the invention optimizes the network architecture by networking the separated sensor network and the on-site CAN network together, reduces the requirement on the coverage area of the wireless sensor node and reduces the energy consumption of the node;
the energy supply module of the wireless sensor node is charged by adopting a solar charging method started by micro-voltage, the electric energy utilization rate is improved through the charging and discharging energy-saving management of a plurality of batteries, the long-term work of the wireless sensor node is kept, and the stability of a sensor network is improved.
Drawings
Fig. 1 is a schematic diagram of a communication network architecture according to the present invention.
FIG. 2 is a block diagram of a data platform according to the present invention.
Fig. 3 is a schematic structural diagram of a sink node including a CAN interface unit according to the present invention.
Fig. 4 is a schematic block diagram of a sensor node according to the present invention.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
Referring to fig. 1-4, an environmental process warehouse communication system includes an environmental process warehouse network system, the environmental process warehouse network system includes a sensor network and a CAN network, the sensor network includes a plurality of wirelessly interconnected sensor nodes, the CAN network includes a CAN bus, the sensor networks are respectively connected to a sink node in a multi-hop manner, the sink node is connected to the CAN bus of the CAN network through a CAN interface unit, the sensor networks and the CAN network form a combined network through the sink node, the CAN network of the CAN bus is connected to a core switch through a CAN-to-ethernet converter, is connected to the internet through the core switch, and is interconnected with a data platform through the internet.
Preferably, the data platform comprises a database server, a WEB server, a digital certificate server and a public key/private key server, and the database server, the WEB server, the digital certificate server and the public key/private key server are connected through a local area network to share each function of the data platform respectively.
Preferably, the data platform can also access the management function through an internet connection management platform.
The sensor nodes comprise sensors with various aspects and functions such as humidity, temperature, wind speed and the like, are distributed at various positions of the environmental process warehouse and work as basic units of the whole communication system.
The sensor network is connected to the CAN network through the sink node, is networked with the CAN network, and uploads data to the data platform through the CAN network.
The sensor nodes are networked in a separated networking mode, so that the requirement on the transmitting range of the sensor nodes is greatly reduced, and the energy consumption of the sensor nodes is reduced;
the sink nodes are networked by using a high-speed field CAN network, the level of a wireless network is reduced, the stability of network transmission is improved, and the scale of the sensor network is reduced, so that the difficulty of the sensor network topology is reduced, the sensor network architecture CAN be better optimized by a topological algorithm, and the energy level loss is reduced.
And the collected data is transmitted through a high-speed field CAN network, and the collected data CAN share the same CAN bus with other field equipment which is merged into the CAN network, so that the networking cost is reduced.
The sensor node comprises a sensor module, a processor module, a wireless communication module and an energy supply module, wherein the sensor module is connected with the signal input end of the processor module, and the processor module is in bidirectional connection with the wireless communication module; the energy supply module is connected with the sensor module, the processor module and the wireless communication module. Preferably, the wireless communication module is further connected to the antenna unit. The transceiving range of the transceiver is improved. The processor module receives the signals of the sensor module and then sends the signals through the wireless communication module. The energy supply module supplies power to the node.
The energy supply module is connected with the solar thin film battery through the micro-power charging unit, the solar thin film battery is used as an energy source, and the energy source is converted into a charging power supply through the micro-power charging unit to be supplied to the energy supply module;
the energy supply module comprises a multi-battery charging management unit, a multi-battery discharging management unit, a voltage detection module, a micro control unit and a plurality of battery units connected in parallel, wherein the battery charging management unit is respectively connected with the plurality of battery units, and the battery discharging management unit is respectively connected with the plurality of battery units; the battery units are respectively connected with the voltage detection module, the voltage detection module is connected with the micro control unit, and the micro control unit is connected with the multi-battery charging management unit and the multi-battery discharging management unit. The voltage detection module detects the voltage of the battery unit, the electric quantity of the battery unit is judged through the detected voltage, the multi-battery charging management unit is used for managing charging of the battery unit, and the multi-battery discharging management unit is used for managing discharging of the battery unit.
Preferably, the multi-battery charging management unit and the multi-battery discharging management unit can be a plurality of switch circuits connected with the battery unit, and the switch circuits are connected with the micro-control unit and controlled by the micro-control unit.
Preferably, the battery unit is a rechargeable button battery.
Preferably, the micro control unit is an MCU.
The invention discloses a low-energy charging and discharging method of an energy supply module, which comprises the following steps:
the solar thin-film battery collects and converts solar energy into electric energy, the micro-power charging unit converts the power output by the solar thin-film battery into an energy source capable of charging the button lithium battery, and the electric energy is output to the multi-battery charging management unit;
during charging, the micro control unit starts traversing from the first battery unit in the plurality of battery units, checks the electric quantity condition of the first battery unit, determines whether to charge the first battery unit, only charges one battery unit at a moment, and after the current battery unit is fully charged, the micro control unit continuously traverses the battery unit which needs to be charged or not, and repeats the charging step;
during discharging, the micro control unit starts traversing from a first battery unit in the plurality of battery units, checks the electric quantity condition of the first battery unit, determines whether to use the first battery unit to supply power, only uses one battery unit to supply power at a moment, and when the electric quantity of the current battery unit is too low, the micro control unit continues traversing the battery units capable of supplying power and repeats the power supply steps.
The starting voltage of the charging unit of the micro-power mobile phone is 500mV, and the circuit part is realized by ADP5090 of AnalogDevice in the United states.
Preferably, the energy output positive electrode and the energy output negative electrode of the micro-power mobile phone charging unit are respectively connected with the energy output positive electrode and the energy output negative electrode of the multi-battery charging management unit, the energy output positive electrode of the multi-battery charging management unit is connected with the positive electrodes of the plurality of battery units, the negative electrodes of the plurality of battery units are divided into two ports, one port is connected with the energy output negative electrode of the multi-battery charging management unit, the other port is connected with the power input negative electrode of the multi-battery discharging management unit, and the power input positive electrode of the multi-battery discharging management unit is connected with the positive;
the energy output negative pole of the multi-battery charging management unit is divided into a plurality of ports which are respectively connected with the negative poles of the plurality of battery units, and the power input negative pole of the multi-battery discharging management unit is divided into a plurality of ports which are respectively connected with the negative poles of the plurality of battery units.
The multi-battery charging management unit determines whether to communicate with one of the negative electrodes of the plurality of battery units through the internal comparison circuit, so as to determine whether to charge the battery units.
The sensor node is powered by solar energy, and a charging circuit started by micropower can reduce the requirement on illumination intensity, keep long-acting power supply, reduce electric energy loss by matching with effective multi-battery charging and discharging management, optimize electric energy supply and keep long-time work of the sensor node.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (7)
1. The utility model provides an environmental technology warehouse communication system, a serial communication port, including environmental technology warehouse network system, environmental technology warehouse network system includes sensor network and CAN network, sensor network includes the sensor node of the wireless interconnection of a plurality of, the CAN network includes the CAN bus, a plurality of sensor network is connected to the convergent node through the mode that multihops respectively, the CAN bus that the convergent node is connected to the CAN network through CAN interface unit, a plurality of sensor network constitutes the combination network through convergent node and CAN network, the CAN network of CAN bus changes the ethernet converter through CAN and connects the core switch, be connected to the internet through the core switch, and be interconnected with data platform through the internet.
2. The environmental process warehouse communication system of claim 1, wherein the data platform comprises a database server, a WEB server, a digital certificate server, and a public/private key server, and the database server, the WEB server, the digital certificate server, and the public/private key server are connected via a local area network.
3. The environmental process warehouse communication system of claim 1, wherein the data platform is further accessible to management functions via an internet connection management platform.
4. The environmental process warehouse communication system of claim 1, wherein the plurality of proximity sensor nodes are networked to form a sensor network, the sensor network is connected to the CAN network through a sink node, and is networked with the CAN network, and data is uploaded to the data platform through the CAN network.
5. The environmental process warehouse communication system of claim 1 or 4, wherein the sensor node comprises a sensor module, a processor module, a wireless communication module and an energy supply module, the sensor module is connected with a signal input end of the processor module, and the processor module is bidirectionally connected with the wireless communication module; the energy supply module is connected with the sensor module, the processor module and the wireless communication module.
6. The environmental process warehouse communication system of claim 5, wherein the energy supply module is connected to the solar thin film battery through a micro-power charging unit, and the energy supply module comprises a multi-battery charging management unit, a multi-battery discharging management unit, a voltage detection module, a micro-control unit and a plurality of parallel-connected battery units, wherein the battery charging management unit is respectively connected to the plurality of battery units, and the battery discharging management unit is respectively connected to the plurality of battery units; the battery units are respectively connected with the voltage detection module, the voltage detection module is connected with the micro control unit, and the micro control unit is connected with the multi-battery charging management unit and the multi-battery discharging management unit.
7. The environmental process warehouse communication system of claim 6, wherein the low energy charging and discharging method of the energy supply module comprises the following steps:
the solar thin-film battery collects and converts solar energy into electric energy, the micro-power charging unit converts the power output by the solar thin-film battery into an energy source capable of charging the button lithium battery, and the electric energy is output to the multi-battery charging management unit;
during charging, the micro control unit starts traversing from the first battery unit in the plurality of battery units, checks the electric quantity condition of the first battery unit, determines whether to charge the first battery unit, only charges one battery unit at a moment, and after the current battery unit is fully charged, the micro control unit continuously traverses the battery unit which needs to be charged or not, and repeats the charging step;
during discharging, the micro control unit starts traversing from a first battery unit in the plurality of battery units, checks the electric quantity condition of the first battery unit, determines whether to use the first battery unit to supply power, only uses one battery unit to supply power at a moment, and when the electric quantity of the current battery unit is too low, the micro control unit continues traversing the battery units capable of supplying power and repeats the power supply steps.
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| CN201911005304.6A CN110769391A (en) | 2019-10-22 | 2019-10-22 | Environmental technology warehouse communication system |
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Cited By (1)
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| CN113726831A (en) * | 2020-05-26 | 2021-11-30 | 河南省科学院应用物理研究所有限公司 | Logistics storage management system based on Internet of things |
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