CN107094180B - Tourist guiding and safety protection system for self-driving tour area of wild zoo - Google Patents
Tourist guiding and safety protection system for self-driving tour area of wild zoo Download PDFInfo
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Abstract
The invention discloses a visitor guiding and safety protecting system for a self-driving tour area of a wild zoo, which mainly relates to the technical fields of intelligent monitoring, safety precaution and automatic management; the monitoring management center node consists of a PC and a coordinator, wherein the PC and the coordinator are connected through a serial port, and the vehicle-mounted multimedia terminal node comprises a control/communication module and a plurality of data acquisition modules; the vehicle-mounted multimedia terminal node performs wireless data transmission with the coordinator directly or through a network router node; the remote communication module in the coordinator transmits the data of the vehicle-mounted multimedia terminal node to the upper computer through the serial port; the vehicle-mounted multimedia terminal node obtains position information through an infrared signal transmitter; the system provided by the invention realizes omnibearing monitoring and management of the vehicle entering the wild zoo beast area self-driving tour, realizes automatic management of the zoo on the beast area self-driving tour, and realizes safety protection of self-driving tour tourists.
Description
Technical Field
The invention relates to the technical field of intelligent monitoring, safety precaution and automatic management, in particular to a visitor guiding and safety protecting system in a self-driving tour area of a wild zoo.
Background
With the improvement of the living standard of people, zoos and wild zoos with different scales are built in a large and medium city of China, the number of tourists entering the zoo to visit is increased continuously, the tourist activities play a positive promotion role in enriching the amateur life of people, and more people are given opportunities to watch various wild animals and a plurality of beasts which can be seen only on a video screen in the past.
However, in recent years, the event that beasts endanger the safety of tourists occurs in a plurality of wild zoos in China, and the most serious is that tigers in Beijing eight-dag wild zoos attack the tourists, so that the serious event that the tourists die and hurt again is caused, and after the tigers attack the dead, the direct cause of death of the tourists is that the park rescue victims and the tigers are not timely driven. Therefore, it is necessary to provide a guest safety protection system in the wild zoo beast self-driving tour area.
At present, the safety protection measures of tourists in most beasts and self-driving tourist areas in China are a method for signing a safety protocol with the tourists before entering a garden and setting warning boards in the tourist areas, and no sound safety protection system is available for guaranteeing the personal safety of the tourists, so that the occurrence of the event that the beasts hurt the people is not surprising. Therefore, in a wild zoo beast tour area, it is urgent to construct an advanced and automatic tourist safety protection system by using computer technology, network technology and wireless communication technology.
Disclosure of Invention
The invention aims to: aiming at the problems and the defects existing in the prior art, the invention aims to provide a guiding and safety protecting system for tourists in a self-driving tour area of a wild zoo, which realizes the omnibearing monitoring and management of vehicles entering the self-driving tour area of the wild zoo, on one hand, realizes the automatic management of the self-driving tour activity of the zoo in the beast area, and on the other hand, also realizes the safety protection of the self-driving tour tourists.
The technical scheme is as follows: in order to achieve the purpose, the visitor guiding and safety protecting system for the self-driving tour area of the wild zoo comprises a monitoring management center node, a network router node, an infrared signal transmitter and a vehicle-mounted multimedia terminal node; the monitoring management center node consists of a PC and a coordinator, and the PC and the coordinator are connected through a serial port; the network router node consists of a master station communication module and a master station control terminal module; the vehicle-mounted multimedia terminal node comprises a control/communication module and a plurality of data acquisition modules; the vehicle-mounted multimedia terminal node performs wireless data transmission with the coordinator directly or through a network router node; the remote communication module in the coordinator transmits data of the vehicle-mounted multimedia terminal node to the upper computer through the serial port, and the infrared receiver in the vehicle-mounted multimedia terminal node receives the area position code sent by the infrared signal transmitter and sends the specific position of the remote communication module to the monitoring management center through the router. The invention constructs a tourist safety protection and monitoring network taking the zoo management center as a core, and can realize the automatic management of self-driving tourist vehicles in a plurality of tourist areas. The wireless communication networking technology is adopted, and the nodes are divided into 3 classes of coordinator nodes, router nodes and terminal nodes. In the invention, a zoo monitoring management center is configured as a coordinator node, a router node is arranged in each beast sightseeing area of the zoo, and a user multimedia terminal device on each tourist vehicle is used as a terminal node to access a network. From the network perspective, the network is a tree cluster type network and consists of a zoo monitoring management center (coordinator node), a plurality of self-driving tourist areas (router nodes) and tourist self-driving vehicles (user multimedia terminal nodes) in the zoo monitoring management center. The network takes a wireless sensing module based on ZigBee technology as a basic unit of the network, a main control chip of the selected module is CC2530 of TI company, and is matched with a radio frequency transceiver circuit, a peripheral circuit, keys, an indicator lamp and the like, and the wireless sensing module is respectively configured into a coordinator, a router and a network terminal node according to different roles and functions of the wireless sensing module in the network. The PC is connected with the coordinator through a serial port for data exchange, and the PC can monitor and control each router node and user multimedia terminal node of the guest safety protection system through a GUI interface. The router node consists of a master station communication module and a master station control terminal module, is responsible for on-site operation such as parameter setting, control mode setting and the like, and manages the user multimedia terminal. The user multimedia terminal node is composed of a control/communication module and various data acquisition modules, and mainly completes the data acquisition work of the operation of the on-site self-driving vehicles and zoo management vehicles. Before a tourist vehicle enters a beast area to carry out self-driving tour, zoo management personnel issue a user multimedia terminal device to the tourist and place the user multimedia terminal device in the self-driving vehicle; the router and the terminal node far away from the coordinator can be absorbed into the network by the coordinator through adding the router into the network, so that the control range of the wireless sensor network is enlarged. The router in the network is used for searching the network and joining the network, is a device supporting association and can realize the message forwarding function of other nodes. The terminal nodes do not have the function of absorbing other nodes to access the network, a large number of terminal nodes are directly placed in the monitored site vehicles, serve as external sensors and output amplifying circuits of the terminal nodes, monitor the site vehicles in real time, directly or through a router and a coordinator, perform wireless data transmission, and receive control commands sent by the coordinator and a monitoring management central computer. The network nodes form an self-organizing wireless sensing network according to an IEEE 802.15.4 protocol, and the running condition of the vehicle is collected in real time. The remote communication module in the coordinator transmits the running parameters of the self-driving vehicle in the self-driving tour area to the upper computer of the monitoring management center through the serial port, so that the intelligent management and the optimal control of the upper computer on the running of the self-driving tour vehicle and the system are realized. The on-site vehicle-mounted multimedia terminal belongs to a terminal node in a wireless sensor network, on one hand, the on-site vehicle is monitored and controlled according to the acquired signals, and on the other hand, the measured data are directly transmitted to a monitoring management center upper computer through a wireless communication network or through a router.
The hardware of the monitoring management center node comprises a CC2530 core board and a coordinator base board; the CC2530 core board is a circuit board which is common to the coordinator base board and the router base board, and is provided with a CC2530 chip.
The CC2530 chip can be directly inserted on the coordinator base plate for debugging, and a PCB base plate is not required to be manufactured; the coordinator bottom plate directly provides power for the CC2530 chip through USB, an external power supply or a battery; the coordinator bottom plate directly transmits the data of the CC2530 to the PC through USB, RS232 and RS485 interfaces.
The network router node is placed at fixed positions of different self-driving tour areas, comprises a CC2530 core board and a router bottom board, and is powered by a 5V direct current power supply. According to the park topography and regional division, the network router is placed at a fixed position of different sightseeing areas to provide network connection service for the movable terminal nodes in the region.
The infrared signal transmitter is arranged at a fixed position in the self-driving tour area and comprises an MCU control infrared diode circuit. The method comprises the steps that NEC infrared communication protocol is used for sending a sub-tour area position code, an infrared receiving module of the vehicle-mounted multimedia terminal receives the code and then sends the code to a monitoring management center through a router, and the monitoring management center determines the specific position of a self-driving tour vehicle according to the code.
The vehicle-mounted multimedia terminal node comprises an embedded multimedia main board, and an infrared receiving module, a GPS positioning module, a CAN/LIN communication module and a ZigBee communication module which are respectively connected with the embedded multimedia main board. The tourist navigation system provides navigation service for tourists, and can view the topography of a tourist area, the position of a vehicle, the number and specific positions of beasts, weather forecast, environmental temperature, wind power, real-time push information and the like through the vehicle-mounted multimedia terminal.
The embedded multimedia system main board comprises an AM4376 main processor, a 2GB DDR3 SDRAM, a 4GB NAND FLASH memory and an EEPROM chip; the embedded multimedia system main board is externally provided with a MicroSD card slot and an expansion interface, and the card slot is connected with a main control chip through an SDMC 0 interface to realize external storage expansion; the expansion interface comprises an LCD display, a touch control module and an audio processing system, wherein the LCD display and the touch control module are used for realizing graphical man-machine interaction, such as scenic spot introduction, security prompt, information input and the like, in upper-layer application, and the audio processing system is provided with a loudspeaker for playing voice prompt and multimedia audio; the embedded multimedia system main board is provided with a 4000mAh lithium battery pack and a charging circuit, and can be directly charged by an external power supply; the embedded multimedia system main board also comprises a physical man-machine interface, wherein the physical man-machine interface comprises a group of physical keys and 4 LED lamps and is used for displaying various working states and prompts.
The infrared receiving module comprises an infrared receiving device and a hardware circuit, and is used for receiving the position information sent by the fixed infrared signal transmitter. Because GPS positioning can be deviated or delayed under special topography, as an auxiliary positioning means, the infrared receiving module can directly receive the special infrared signal information of a specific area so as to determine the actual position of the tourist multimedia terminal; the GPS positioning module is provided with an SIRF3 chip, gathers terminal position information, uploads the terminal position information to the control center through a Zigbee network, and sends the position information to the main control chip through an I2C interface as main position data.
The ZigBee communication module comprises a CC2530 main board and a communication terminal bottom board, wherein various control instructions and information are received and transmitted through a router, the communication rate is limited, media data and audio data are stored in the local of the multimedia terminal, and communication is only used for transmitting application layer information and instructions and the like; SPI connection is adopted between the ZigBee communication module and the embedded multimedia motherboard, so that equipment maintenance and expansion use are facilitated, the data receiving and transmitting function below an application layer is realized in the CC2530, and the controller and the multimedia main controller realize application data synchronization by using a custom communication protocol.
The CAN/LIN communication module comprises a CAN/LIN conversion chip and a circuit, and is accessed into a vehicle body network through a vehicle-mounted OBD interface. The method enables the host to read vehicle information, such as the specific position of the vehicle, the running state of the vehicle, the opening and closing state of the vehicle door and the like, through accessing an open CAN/LIN network in the vehicle.
The beneficial effects are that: compared with the prior art, the invention has the following advantages:
1. the system for guiding and protecting the tourists in the self-driving tour area of the wild zoo realizes the omnibearing monitoring and management of the vehicles entering the self-driving tour area of the wild zoo, on one hand, the automatic management of the zoo on the self-driving tour activity of the zoo in the beast area is realized, and on the other hand, the safety protection of the self-driving tour tourists is realized.
2. The home-driving tourist guiding and safety protecting system for the wild zoo can not only perform self-service on tourists through a multimedia terminal device, such as vehicle position display, regional environment information inquiry, safety prompt and the like, but also be used for safely visiting and enjoying the pleasure of watching various beasts in a short distance.
3. According to the home-driving tourist guide and safety protection system for the wild zoo, a monitoring management center can collect tourist information, uniformly schedule rescue vehicles, issue warning information and push real-time messages; tourists entering the beast area to carry out self-driving tour are sent information such as the position, the safety state and the like of the tourists to the monitoring management center in real time through the vehicle-mounted multimedia terminal, and self-service can be carried out through the tourist tour guide system.
4. The invention discloses a visitor guiding and safety protecting system for a self-driving tour area of a wild zoo, which combines automatic control, a computer technology and a wireless communication technology to guide, safely protect and automatically manage all-round tourists entering a beast area for self-driving tour.
5. The invention relates to a visitor guiding and safety protecting system for a wild zoo self-driving tour area, which configures network nodes on site into 3 types according to a tree cluster network topological structure, wherein the first type is a coordinator node for carrying out management work of the whole system; the second type is a router node which bears the task of managing each closed self-driving tour area and communicating with a monitoring management center; the third type is a user terminal node, which is used for monitoring the running condition of self-driving vehicles in the tour protection area, transmitting the field measured data to a remote communication module in a coordinator through a router by using a network, thus forming a wireless sensor network for large-scale real-time monitoring field devices by using various modules, configuring a coordinator in the wireless sensor network, configuring a plurality of routers according to the number of beast self-driving tour areas to be protected, and configuring a large number of user terminal nodes according to the number of vehicles entering the beast self-driving tour areas.
Drawings
FIG. 1 is a schematic diagram of a visitor navigation and security system of the present invention;
FIG. 2 is a schematic diagram of a tourist guide and safety protection system according to the present invention;
FIG. 3 is a schematic diagram of the components of the vehicle-mounted multimedia terminal device of the present invention;
fig. 4 is a schematic hardware diagram of the user-mounted multimedia terminal device in the present invention.
In the figure: the system comprises a monitoring management center node 1, a vehicle-mounted multimedia terminal node 2, a network router node 3, an infrared signal transmitter 4, an embedded multimedia system main board 21, an infrared receiving module 22, a GPS positioning module 23, a CAN/LIN communication module 24 and a ZigBee communication module 25.
Detailed Description
The present invention will be described in detail with reference to specific examples, but the scope of the present invention is not limited to the specific scope of the examples, and all other examples obtained by one skilled in the art without making any inventive effort based on the examples of the present invention are within the scope of the present invention.
Example 1
As shown in fig. 1 to 4, the system for guiding and protecting the visitors of the self-driving tour area of the wild zoo according to the present embodiment includes a monitoring management center node 1, a network router node 3, an infrared signal transmitter 4 and a vehicle-mounted multimedia terminal node 2.
The connection relation of the components is as follows: the monitoring management center node 1 consists of a PC and a coordinator, wherein the PC and the coordinator are connected through a serial port; the network router node 3 consists of a master station communication module and a master station control terminal module; the vehicle-mounted multimedia terminal node 2 comprises a control/communication module and a plurality of data acquisition modules; the vehicle-mounted multimedia terminal node 2 performs wireless data transmission with the coordinator directly or through the network router node 3; the remote communication module in the coordinator transmits the data of the vehicle-mounted multimedia terminal node 2 to the upper computer through the serial port, and the infrared receiving module 22 in the vehicle-mounted multimedia terminal node 2 receives the position code of the sightseeing zone sent by the infrared signal transmitter 4 and sends the specific position of the remote communication module to the monitoring management center through the router.
In this embodiment, the monitoring management center node 1 uses PC software and a coordinator node to collect vehicle position and state information, and push real-time messages. The monitoring management center software is written in the Microsoft Visual Studio 2012 open environment by using Visual C# and the VS2012 supports Windows 8 Metro development, so that the design of conciseness, digitalization, content preference and interaction emphasis has become a future trend; on the interface, a colored icon and a color scheme distinguished according to development, running, debugging and other environments are adopted; the ASP.NET MVC 4 is integrated, the mobile and the HTML5 are comprehensively supported, the designer of the ASP.NET MVC 4 can completely support the C# expression, the better life cycle management is realized, and the system resource consumption is small. The monitoring management center node 1 is set as a coordinator node in the network, and in order to facilitate equipment maintenance and extended use, the node hardware in this embodiment is divided into 4 parts, namely a CC2530 core board, a coordinator board, a router, and a terminal node board. The CC2530 core board is a circuit board which is common to the coordinator base board and the router base board, the CC2530 chip is arranged on the circuit board, and the CC2530 core board and the coordinator base board are adopted by the monitoring management center node. CC2530 combines the superior performance of an RF transceiver, industry standard enhanced 8051 CPU, in-system programmable flash memory, 8-KB RAM and many other powerful functions. The CC2530 chip integrates a radio frequency element and a circuit for wireless receiving and transmitting, and can be divided into three parts, namely a CPU and a memory related module; peripheral, clock and power management related modules, and radio related modules; compared with a general-purpose computer system, the CC2530 has the advantages of tailorable software and hardware, flexible function, small volume, low cost, high reliability and the like. The software development platform module is as follows:
(1) CC2530 core plate. The CC2530 singlechip is a wireless radio frequency singlechip which is completely compatible with an 8051 kernel and supports IEEE 802.15.4 protocol. The CC2530 core board integrates all external circuitry (including SMA interfaces to connect the 2.4G antenna) of the CC2530 chip when operating normally. The invention adopts a CC2530F256 core chip of TI company.
(2) A coordinator backplane. The coordinator bottom plate is a bottom plate which is used and developed with a CC2530 core chip of TI company, and mainly provides the following functions: (1) The CC2530 chip is directly inserted on the bottom plate for debugging, and a PCB bottom plate is not required to be manufactured; (2) Directly providing power for the CC2530 chip through USB or an external power supply (or a battery); (3) Providing USB, RS232 and RS485 interfaces, and directly transmitting the data of the CC2530 to the PC; (4) Providing a debug interface of the CC2530, and debugging the CC2530 on line in the development environment of IAR; (5) The LED lamp and the keys are provided, so that functions such as binding in a debugging protocol stack can be assisted; (6) All I/Os of the CC2530 can be led out to the socket, and other boards can be matched conveniently. The coordinator node of the present invention employs a combination of a coordinator backplane and a CC2530 core board. Therefore, the coordinator program is written and downloaded into the core board of the CC2530 to become the coordinator node.
(3) And (5) software design. The protocol defines a series of communication standards, both parties of communication need to commonly follow the standard to carry out normal data transceiving, the protocol stack is a specific implementation form of the protocol, all the defined protocols are integrated together to be implemented in a function form, and some application layer APIs are provided for users to call.
The software part of the wireless sensor network in the embodiment mainly develops an application program of a protocol stack, and the adopted programming language is C language; data acquisition in the wireless sensor network is realized by only adding a reading function of a sensor into an application layer; in view of energy saving, the invention carries out timing according to the data acquisition period, the terminal node is awakened after the timing time is up, the sensor data is automatically acquired after the terminal node is awakened, and then the data is sent to a router or directly sent to a coordinator.
According to the park topography and region division, the network router is placed at fixed positions of different self-driving tour areas, and network connection service is provided for the movable terminal nodes in the region; the network router is realized by using a CC2530 core board and a router bottom board, and is powered by a 5V direct current power supply.
In this embodiment, the infrared signal transmitter 4 provides a supplement to the collection of positioning information due to factors such as GPS signal positioning accuracy and network switching delay. According to the park topography features and the regional division, the infrared signal transmitter 4 directly transmits the regional position information to the active nodes within the irradiation range.
The method of combining the wireless sensing network and the automatic control technology is adopted to construct the zoo beast area self-driving tourist safety protection monitoring management network. The layout of the self-driving vehicles in the system is scattered, so that the vehicle-mounted multimedia terminal node 2 is installed on each tourist vehicle and zoo management and rescue vehicle to be monitored, and a proper sensor is configured, and the nodes are networked in a wireless communication mode, so that the wiring cost can be greatly saved, the stability of data communication can be enhanced, and the structure of the system is simplified. The vehicle-mounted multimedia terminal node 2 in this embodiment includes an embedded multimedia motherboard 21, and an infrared receiving module 22, a GPS positioning module 23, a CAN/LIN communication module 24 and a ZigBee communication module 25, which are respectively connected to the embedded multimedia motherboard 21.
The embedded multimedia system of the embodiment is designed based on an AM4376 chip taking ARM Cortex A9 as a core. The multimedia processing main board uses a TI AM4376 ARM Cortex A9 main processor to realize a user main interaction interface and support for various additional devices. The AM4376 processor provides different options of 300MHz, 800MHz and 1GHz while having 3D graphics acceleration functionality suitable for the enhanced user interface. The processor inherits both the programmable real-time unit and the industrial communication subsystem that can offload tasks from the ARM, and in this embodiment, the AM4376 processor can well balance cost and performance.
In this embodiment, AM4376 is selected as the main processor. As the core of the embedded multimedia system board, AM4 applies a complete support of various functions. Meanwhile, in order to facilitate field debugging and configuration, functional configuration is realized by an external resistor, a switch and the like.
The primary input of the main system clock in this embodiment is a 24MHz crystal oscillator, which is used to generate the clock frequency used by each functional module in the AM 4376. The RTC clock source is a 32kHz crystal oscillator.
The system of the embodiment is provided with a 2GB DDR3 SDRAM, consists of four 512MB FBGA packaged DDR3L SDRAM chips (MT 41K 512M), and is provided with a 4GB NAND FLASH memory, and consists of 8 MT29F4G08 chips. In addition, an EEPROM chip is configured to store the software and hardware version identification information.
The present embodiment uses a standard MicroSD card slot, which is connected to the master control chip through the sdmc 0 interface, to implement external storage expansion, such as storing map packets, log files, multimedia files, and software components, etc.
The expansion interface of the embodiment mainly comprises an LCD display and touch control module and an audio processing system. The LCD display and touch control module is used for realizing graphical man-machine interaction, and realizing scenic spot introduction, safety prompt, information input and the like in upper-layer application. According to the requirements of the whole machine on size, energy consumption, display content, viewing effect and the like, a 7-inch WVGA LCD display screen and a capacitive touch control module are configured, and the screen resolution is 800 multiplied by 600. The display screen is a 24-bit RGB TFT display screen, and 16 LEDs are used as backlight sources. The power supply of the screen is directly controlled by a TPS61081 chip through PWM dimming mode. The screen is directly driven by an LCD control interface of AM4376 through a 50 PIN FPC-type connector, and touch information is fed back to the main control chip through an I2C interface. The power supply of the whole LCD module is realized by TPS65105 chip. The audio processing system uses TLV320ALC3106 as an audio decoding chip and carries a speaker for playing voice prompts and multimedia audio, and the decoder uses McASP1 and I2C interfaces to connect with the main chip.
The embodiment is provided with a 4000mAh lithium battery pack and a charging circuit, can be directly charged by an external power supply, and can work for about 5 hours under medium use conditions. The on-board power management chip uses TPS65128 to provide power for each module as follows: 1.0V master control chip kernel voltage, 1.35V DDR memory voltage, 1.8V master working voltage, 3.3V common voltage and 5V common voltage, etc. Meanwhile, the chip controls the starting time sequence of the whole system.
The physical man-machine interface of the embodiment comprises a group of physical keys and 4 LED lamps, and the physical man-machine interface is used for displaying various working states and prompts.
The infrared receiving module 22 in this embodiment includes an infrared receiving device and a hardware circuit for receiving the position information sent by the fixed infrared signal transmitter 4. Under special topography, the GPS positioning may be biased or delayed, and as an auxiliary positioning means, the infrared receiving module 22 may directly receive the special infrared signal information in a specific area, so as to determine the actual position of the multimedia terminal of the tourist.
In this embodiment, the GPS positioning module 23 gathers terminal location information, and uploads the terminal location information to the control center through the Zigbee network, and the core of the GPS positioning module is a SIRF3 chip. And the positioning data are sent to the main control chip through the I2C interface.
In this embodiment, the ZigBee communication module 25 is implemented by a CC2530 motherboard and a communication terminal chassis. Which receives and transmits various control instructions and information through a router. The media data and the audio data are stored locally at the multimedia terminal, subject to the communication rate, and the communication is only performed to transfer application layer information and instructions, etc. In order to facilitate equipment maintenance and expansion use, SPI connection is adopted between the communication module and the multimedia main controller, the data receiving and transmitting function below the application layer is realized in the CC2530, and the controller and the multimedia main controller realize application data synchronization by using a custom communication protocol.
The CAN/LIN communication module 24 in this embodiment includes a CAN/LIN conversion chip and a circuit, so that the host CAN read the vehicle information by accessing the CAN/LIN network opened in the vehicle. Such as the specific location of the vehicle, the vehicle running state, the door opening and closing state, etc. The module is accessed to a vehicle body network through a vehicle-mounted OBD interface. Because the in-vehicle network structure and the message are different according to the specific vehicle type, the actual vehicle type matching needs to be confirmed with the vehicle manufacturer.
Communication method of the present embodiment: the system consists of a monitoring management central upper computer, a self-driving tour area monitoring master node (router) and a monitoring slave node (user vehicle-mounted multimedia terminal). According to characteristics of zoo topography and theme area, the system is divided into a plurality of sub-networks, and each branch forms an self-organizing wireless sensing network according to IEEE 802.15.4 protocol. And the system monitoring management center is communicated with the on-site monitoring master node and the slave nodes by adopting a ZigBee network. In this embodiment, network mobility switching of the terminal node is implemented, i.e. after leaving a certain router network, a new router node network is automatically added.
The main functions of the tourist guide and safety protection system in the wild zoo self-driving tour area are as follows:
(1) Main functions realized by tourist safety protection system
And (3) monitoring the state of a protection area: the vehicle-mounted multimedia terminal node 2 is responsible for monitoring running requirements of the self-driving vehicle, such as vehicle speed, specific position, electric quantity of a storage battery in the node, running state of a protection device and the like. The system operation information is sent to the monitoring management center by the network router node 3 at regular time.
And (3) fault alarm: in the running process of the system, after the terminal node detects an abnormal condition, information is transmitted to the router, the router transmits an alarm signal to the upper computer of the monitoring management center, and the specific position of the fault node is displayed in the monitoring interface of the upper computer. Wherein the abnormal condition refers to: (1) the battery electric quantity of the terminal monitoring device is smaller than a set value; (2) the monitoring management center does not receive the information of the user vehicle-mounted multimedia terminal device and the like within a specified time limit, namely, an alarm signal is sent to the monitoring management center to prompt maintenance personnel to carry out maintenance. (3) And the router detects that the monitoring device of the individual user terminal cannot work normally according to the set parameters.
On-site real-time operation and management: a touch screen socket is arranged on a router of each beast tour area, and self-driving vehicles and park management and rescue vehicles in a subnet can be managed on site by utilizing a touch screen.
Information receiving and transmitting: the monitoring management center regularly receives information sent by each sub-network router node, and monitors the operation conditions of the whole system and each sub-network through a monitoring main interface and a sub-interface, and processes alarm signals sent by the field nodes; service information is regularly distributed into the network.
Safety prompt: a buzzer is adopted to provide simple audio prompt; broadcasting guiding voice/video through a loudspeaker according to the position of the vehicle, and prompting notes such as safety warning and the like in a key area by voice;
emergency rescue: the system can start rescue service in abnormal alarm, tourist keys and other modes, and when a park management department receives a rescue request, the system can send tourist position information, rescue types and other broadcasts to park rescue vehicles.
Positioning self-driving tourist vehicles and zoo management vehicles through a GPS; monitoring a door lock by accessing a vehicle bus, displaying the position information of a vehicle window and reminding; and recycling charging and system information upgrading.
(2) Main functions implemented by user monitoring terminal device
Uploading the position information of the self-driving vehicle to a monitoring management center through a GPS positioning module 23; receiving a simple audio prompt of a monitoring management center by using a buzzer on the monitoring management center; listening to the navigation voice/video with the speaker thereon, prompting notes such as safety warnings with voice in the critical area; inputting a simple instruction through a key thereon; displaying the state of the self-driving vehicle through 4 LED lamps on the device; playing the multimedia data by using the capacitive touch screen and inputting a user instruction; and sending an alarm signal to a monitoring management center by using the alarm button.
The embodiments of the invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (5)
1. A visitor guiding and safety protection system for a self-driving tour area of a wild zoo is characterized in that: comprising the following steps: the system comprises a monitoring management center node (1), a network router node (3), an infrared signal transmitter (4) and a vehicle-mounted multimedia terminal node (2);
the monitoring management center node (1) consists of a PC and a coordinator, wherein the PC and the coordinator are connected through a serial port; the network router node (3) consists of a master station communication module and a master station control terminal module; the vehicle-mounted multimedia terminal node (2) comprises a control/communication module and a plurality of data acquisition modules;
the vehicle-mounted multimedia terminal node (2) performs wireless data transmission with the coordinator directly or through the network router node (3); the router and the terminal node far away from the coordinator can be absorbed into the network by the coordinator through adding the router into the network, so that the control range of the wireless sensor network is enlarged; the router in the network is used for searching the network and joining the network;
the network is a tree cluster network and consists of a zoo monitoring management center, a plurality of self-driving tourist sightseeing areas and tourist self-driving vehicles in the tourist sightseeing areas;
the remote communication module in the coordinator transmits data of the vehicle-mounted multimedia terminal node (2) to the upper computer through the serial port, and the vehicle-mounted multimedia terminal node (2) receives the regional position code sent by the infrared signal transmitter (4);
the hardware of the monitoring management center node (1) comprises a CC2530 core board and a coordinator base board; the CC2530 core board is a circuit board which is shared by the coordinator base board and the router base board, and is provided with a CC2530 chip;
the CC2530 chip can be directly inserted on a coordinator bottom plate for debugging, and the coordinator bottom plate directly provides power for the CC2530 chip through USB, an external power supply or a battery; the coordinator bottom plate directly transmits the data of the CC2530 to the PC through USB, RS232 and RS485 interfaces;
the network router node (3) is placed at fixed positions of different self-driving tour areas, and the network router node (3) comprises a CC2530 core board and a router bottom board and is powered by a 5V direct current power supply;
the vehicle-mounted multimedia terminal node (2) comprises an embedded multimedia main board (21), and an infrared receiving module (22), a GPS positioning module (23), a CAN/LIN communication module (24) and a ZigBee communication module (25) which are respectively connected with the embedded multimedia main board (21);
under special topography, GPS positioning can deviate or delay, as an auxiliary positioning means, the infrared receiving module (22) can directly receive special infrared signal information of a specific area so as to determine the actual position of the tourist multimedia terminal;
the GPS positioning module (23) gathers the terminal position information, upload to the control center through Zigbee network, as the main position data, the positioning data is sent to the main control chip through I2C interface;
the embedded multimedia main board (21) comprises an AM4376 main processor, a 2GB DDR3 SDRAM, a 4GB NAND FLASH memory and an EEPROM chip, and the outside of the embedded multimedia main board (21) is provided with a MicroSD card slot and an expansion interface; the expansion interface comprises an LCD display, a touch module and an audio processing system; the embedded multimedia main board (21) is provided with a 4000mAh lithium battery pack and a charging circuit; the embedded multimedia motherboard (21) further comprises a physical human-machine interface, wherein the physical human-machine interface comprises a group of physical keys and an LED lamp.
2. The wild zoo self-driving tour area visitor tour and safety protection system according to claim 1, wherein: the infrared signal transmitter (4) is arranged at a fixed position in the self-driving tour area and comprises an MCU control infrared diode circuit.
3. The wild zoo self-driving tour area visitor tour and safety protection system according to claim 1, wherein: the infrared receiving module (22) comprises an infrared receiving device and a hardware circuit; the GPS positioning module (23) is provided with a SIRF3 chip.
4. The wild zoo self-driving tour area visitor tour and safety protection system according to claim 1, wherein: the ZigBee communication module (25) comprises a CC2530 main board and a communication terminal bottom board; SPI connection is adopted between the ZigBee communication module (25) and the embedded multimedia main board (21).
5. The wild zoo self-driving tour area visitor tour and safety protection system according to claim 1, wherein: the CAN/LIN communication module (24) comprises a CAN/LIN conversion chip and a circuit, and the CAN/LIN communication module (24) is accessed into a vehicle body network through a vehicle-mounted OBD interface.
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| CN108924235A (en) * | 2018-07-13 | 2018-11-30 | 河南汇纳科技有限公司 | A kind of scenic spot vehicles managing and control system based on LoRa wireless network |
| CN113920768A (en) * | 2021-10-09 | 2022-01-11 | 四川智胜慧旅科技有限公司 | Vehicle scheduling method and system suitable for self-driving scenic spot |
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