CN202522890U

CN202522890U - Container wireless monitoring device

Info

Publication number: CN202522890U
Application number: CN2011205538188U
Authority: CN
Inventors: 刘克中; 王龙青; 罗广; 占真; 吕植勇; 刘湘; 易俊威; 彭小玓; 查章鹏; 倪琳轩
Original assignee: Wuhan University of Technology WUT
Current assignee: Wuhan University of Technology WUT
Priority date: 2011-12-27
Filing date: 2011-12-27
Publication date: 2012-11-07
Anticipated expiration: 2021-12-27

Abstract

The present utility model relates to a container wireless monitoring device. The device comprises a Zigbee terminal module lower computer and a shipborne terminal host computer, the Zigbee terminal module lower computer is mainly composed of a one-chip microcomputer A, a power supply circuit, a sensor and a signal amplifying and conditioning circuit, the one-chip microcomputer A is respectively connected with the power supply circuit and the signal amplifying and conditioning circuit, the signal amplifying and conditioning circuit is connected with the sensor, the sensor comprises a combustible gas sensor and a humiture sensor; the shipborne terminal host computer is mainly composed of a one-chip microcomputer B, an ARM11 processor, a GPS module and a GPRS module, the one-chip microcomputer B is connected with the ARM11 processor, and the ARM11 processor is respectively connected with the GPS module and the GPRS module. Through adopting the device, state information of a container can be clearly known, and wiring and installation of the device can be conveniently realized through adopting the bidirectional wireless communication technology.

Description

The container wireless monitoring device

Technical field

The utility model relates to and a kind of container state information is carried out the device of wireless monitor, the container wireless monitoring device of the real-time perception container state information that especially can more become more meticulous.

Background technology

At present, encased conveying is one of important means of international transport; But container the inside state lacks effective surveillance and control measure, and goods phenomenon such as steal, lose, catch fire happens occasionally; On the ship, mainly still go at set intervals to observe the scene at present, comprise the stem-winder of segment set vanning installation through the crewman; Solve subproblem, this just causes failing to judge easily, and shipping company is caused economic loss; Lose prestige simultaneously, lost customer.

Summary of the invention

The utility model technical matters to be solved is to have proposed a kind of container wireless monitoring device to above-mentioned prior art; It not only can realize container opens the monitoring of cutting out; And can locate container position, monitoring internal state information; Thereby realized the purpose of the long-range perception that becomes more meticulous to the various information of container, made things convenient for shipping company to the monitoring of various abnormal conditions and handle in real time, reduced the loss.

The utility model solves the technical scheme that its technical matters adopted: the container wireless monitoring device; It is characterized in that comprising two parts of Zigbee terminal module slave computer and Shipborne terminal host computer, described Zigbee terminal module slave computer is mainly amplified with modulate circuit by Chip Microcomputer A, power circuit, sensor and signal to be formed; Amplification links to each other with modulate circuit Chip Microcomputer A with signal with power circuit respectively, and the signal amplification links to each other with sensor with modulate circuit, and described sensor comprises has combustible gas sensor and Temperature Humidity Sensor, and power circuit is in order to supply power to Chip Microcomputer A; Signal amplify with modulate circuit in order to receiving combustible gas sensor output analog voltage signal, and be converted into 0V, again by the Chip Microcomputer A sampling be converted into digital signal to the simulating signal between the 3.3V; Chip Microcomputer A is obtained the data that Temperature Humidity Sensor is gathered through monobus lin protocol; Chip Microcomputer A can be in order to electronic lock is carried out switch control, and last, Chip Microcomputer A sends to the Shipborne terminal host computer to the container data of gathering through the Zigbee terminal module.

Press such scheme, described Shipborne terminal host computer is mainly by single-chip microcomputer B, and ARM11 processor, GPS module and GPRS module are formed; Single-chip microcomputer B links to each other with the ARM11 processor; The ARM11 processor links to each other with the GPRS module with the GPS module respectively; Described single-chip microcomputer B is transferred to the ARM11 processor with serial ports then in order to receive the container data that sends over from a plurality of Zigbee terminal module slave computers; The ARM11 processor receives the latitude and longitude information that sends over through serial ports from the GPS module; And then carry out data analysis to the various information that receive, and then through the GPRS module, packing, this locality is saved on the SD card or sends to server.

Press such scheme, described Chip Microcomputer A and single-chip microcomputer B are single-chip microcomputer CC2430.

The beneficial effect of the utility model is: in the time of the status information of the perception container that can more become more meticulous, owing to adopt the two-way wireless communication technology, make things convenient for the wiring and the installation of device.

Description of drawings

Fig. 1 is a Zigbee terminal module slave computer theory diagram;

Fig. 2 is boat-carrying monitoring host computer theory diagram;

Fig. 3 is a single-chip microcomputer CC2430 minimum system circuit diagram;

Fig. 4 is electronic lock driving circuit figure;

Fig. 5 is the single-chip microcomputer main program flow chart;

Fig. 6 is the os-task process flow diagram;

Fig. 7 is the host computer process flow diagram.

Embodiment

The container wireless monitoring device; It is characterized in that comprising two parts of Zigbee terminal module slave computer and Shipborne terminal host computer, described Zigbee terminal module slave computer is mainly amplified with modulate circuit by Chip Microcomputer A, power circuit, sensor and signal to be formed; Amplification links to each other with modulate circuit Chip Microcomputer A with signal with power circuit respectively; The signal amplification links to each other with sensor with modulate circuit; Described sensor comprises has combustible gas sensor and Temperature Humidity Sensor, and power circuit is in order to give Chip Microcomputer A and other circuit supply; Signal amplify with modulate circuit in order to receiving combustible gas sensor output analog voltage signal, and be converted into 0V, again by the Chip Microcomputer A sampling be converted into digital signal to the simulating signal between the 3.3V; Chip Microcomputer A is obtained the data that Temperature Humidity Sensor is gathered through monobus lin protocol; Chip Microcomputer A can be in order to electronic lock is carried out switch control, and last, Chip Microcomputer A sends to the Shipborne terminal host computer to the container data of gathering through the Zigbee terminal module.

Below in conjunction with accompanying drawing and embodiment the utility model is further specified.

Like Fig. 1 Zigbee terminal module slave computer theory diagram, Zigbee terminal module slave computer includes sensor, combustible gas sensor signal amplification circuit, power circuit, antenna, single-chip microcomputer CC2430 minimum system circuit and electronic lock driving circuit;

In Fig. 2, boat-carrying monitoring host computer theory diagram includes single-chip microcomputer CC2430 telegon, ARM11 processor, SD card, GPS module, GPRS module; Wherein, GPS module, model are REB3571; GPRS module, model are SIM300.

In Fig. 3, antenna is received the radio frequency interface of single-chip microcomputer, is responsible for the transmission and the reception of data; Button and pilot lamp are received respectively on the normal pins of single-chip microcomputer, are used for the program reliability test;

Power circuit adopts chip 7805 to produce 5 volts of voltages, to single-chip microcomputer and other circuit supply; Adopt AMS1117-3.3 to produce 3.3 volts voltages, supply power to the single-chip microcomputer interface circuit that downloads; The RS232 telecommunication circuit adopts level transferring chip RS232, receives from container and sees next signal off, realizes compatibility;

Like Fig. 4, be electronic lock driving circuit figure, to form by optocoupler TLP521 and triode 0805, the control signal of single-chip microcomputer output converts 0V or 24V signal into through light-coupled isolation, exports to triode then, thereby comes the switch electronic lock.

Like Fig. 5-6 is main program flow chart and os-task process flow diagram, and operating system is to adopt the Zstack system of TI company; The switch task of the acquisition tasks of sensor signal, electronic lock and the Treatment Analysis task of data are carried out in function S API_ProcessEvent (); Data transmission and reception incident are in function HAL_ProcessEvent (), to carry out.

As shown in Figure 5, the single-chip microcomputer main program flow chart: in the main function, the first step is to close all interruptions; Resource on the initialization single-chip microcomputer sheet then; Comprise the initialization of IO mouth, serial ports initialization, timer initialization etc., the operating system that reinitializes mainly comprises the task dispatching of initializes memory, message queue, initialization system; Just can open interruption then, the operation system;

As shown in Figure 6, os-task process flow diagram: be initialization link layer (MAC) task, network layer (NWK) task, hardware layer (HAL) task, device object (ZDO) incident, application layer (SAPI) initialization successively; Link layer (MAC) task mainly is to be responsible for producing network signal and synchronizing signal; Network layer (NWK) task is responsible for adding or deviated from network; Hardware layer (HAL) task is responsible for the transmission and the reception of data; The reception of the switch events of electronic lock, data acquisition and storage, serial ports and transmission thing, all user oneself definition in application layer;

The host computer circuit comprises ARM minimum system circuit diagram, ARM11 feed circuit, three road serial port circuit figure, SD card circuit; The ARM11 feed circuit produce 5 volts and 3.3 volts, give other part power supply; Three road serial port circuit figure have the output of three road signals, and one the tunnel is to communicate with the Zigbee telegon; ARM11 receives sensor signal and the electronic lock signal that transmits, and the second the tunnel is, receives the geographic location signal that GPS sends; It is latitude and longitude information; Third Road is, communicates with GPRS, sends data to the control signal that bank end server and reception server send over.

As shown in Figure 7, host computer process flow diagram: start linux system, the global variable initialization; From Flash, read parameter then and dispose global variable, restart the GPS module, GPRS module, SD card; If start successfully, carry out again connecting with the Zigbee telegon, get into major cycle then; After getting into major cycle, at first be to receive humiture and smoke transducer information, handle that the deletion unnecessary data receives the electronic lock switch state then; If sensor information occurs unusual or electronic lock is opened unusually, just start and report to the police; Through the longitude and latitude of another one serial ports receiver container, packing sends on the server together at last again, supplies user inquiring.

Claims

1. container wireless monitoring device; It is characterized in that comprising two parts of Zigbee terminal module slave computer and Shipborne terminal host computer, described Zigbee terminal module slave computer is mainly amplified with modulate circuit by Chip Microcomputer A, power circuit, sensor and signal to be formed; Amplification links to each other with modulate circuit Chip Microcomputer A with signal with power circuit respectively, and the signal amplification links to each other with sensor with modulate circuit, and described sensor comprises has combustible gas sensor and Temperature Humidity Sensor, and power circuit is in order to supply power to Chip Microcomputer A; Signal amplify with modulate circuit in order to receiving combustible gas sensor output analog voltage signal, and be converted into 0V, again by the Chip Microcomputer A sampling be converted into digital signal to the simulating signal between the 3.3V; Chip Microcomputer A is obtained the data that Temperature Humidity Sensor is gathered through monobus lin protocol; Chip Microcomputer A can be in order to electronic lock is carried out switch control, and last, Chip Microcomputer A sends to the Shipborne terminal host computer to the container data of gathering through the Zigbee terminal module.

2. by the described container wireless monitoring device of claim 1, it is characterized in that described Shipborne terminal host computer mainly by single-chip microcomputer B, ARM11 processor, GPS module and GPRS module are formed; Single-chip microcomputer B links to each other with the ARM11 processor; The ARM11 processor links to each other with the GPRS module with the GPS module respectively; Described single-chip microcomputer B is transferred to the ARM11 processor with serial ports then in order to receive the container data that sends over from a plurality of Zigbee terminal module slave computers; The ARM11 processor receives the latitude and longitude information that sends over through serial ports from the GPS module; And then carry out data analysis to the various information that receive, and then through the GPRS module, packing, this locality is saved on the SD card or sends to server.

3. by the described container wireless monitoring device of claim 2, it is characterized in that described Chip Microcomputer A and single-chip microcomputer B are single-chip microcomputer CC2430.