A kind of embedded multimedia message supervisory control system based on image mobile detection technology
Technical field
This supervisory control system relates to the monitoring technique field, specifically is a kind of embedded multimedia message supervisory control system based on image mobile detection technology.
Background technology
The demand of productive life fail safe: the production and the life of safety impel people to grow with each passing day to the demand of production equipment fail safe with to the serious hope that makes up intelligent family.The means of wireless data transmission and method are more and more now, but all can't overcome fail safe and intelligentized defective, and transmission cost is higher; In addition on the one hand, country has proposed the requirement of energy-saving and emission-reduction to all trades and professions, and adopt the modular compact design, extensive welcome that monitoring product with low-power consumption will inevitably be subjected to society.
The shortcoming of traditional images supervisory control system is with not enough: wired analog video transmission means is adopted in traditional monitoring, to monitoring on-the-spot wiring more complicated, and equipment is expensive heavy, the maintenance cost height, install and lack flexibility, need to be equipped with lot of manpower and material resources simultaneously, cost is higher, efficient is lower.And computer network, wireless communication technology and development of digital image in recent years, also make us select a kind of wireless data transmission technology of with low cost, novel practical, building a kind of safe and efficient, real-time image collection supervisory control system becomes possibility.
The deficiency of like product on the market: adopt GPRS network to carry out in the solution of remote monitoring in the market, great majority all rely on conventional transducer to trigger warning, control camera candid photograph photo site then and transfer to the remote monitoring end by GPRS network.If these product sensor failures (for example the human-body infrared sensing device is blocked, and vibrating sensor is by vibration interference such as air-conditioning or the like) may cause system to be failed to report, serious harm is to the safety of guarded region.
Obtaining at present in the system of utility model patent, number be ZL 200720130001.3 embedded digital image models identification long distance control system as application (patent), and no SD card memory in this system's formation can not be stored scene image information; The general input/output port of no GPIO during this system constitutes can not be expanded conventional sensors and control field apparatus such as light, gate control system etc., realizes effectively antitheft; The remote monitoring end of this system needs radio network gateway and mail server, and native system remote monitoring end is more succinct, only needs to insert the PC of an Internet; This system adopts mode identification technology, need to store a large amount of prioris in the system, testing process needs the computing of large amount of complex to carry out operations such as feature extraction, coupling, increased the power of system, increased the complexity that system realizes, and native system is made of common embedded microcontroller, do not need very high dominant frequency, simply, reliable and stable mobile detection algorithm information extraction is by the shape of moving object, formations such as size and movement velocity, compare pattern recognition and be easy to realize, reduce system cost and power consumption simultaneously.And for example application (patent) number be the intelligent video identification monitoring and alarming system of ZL200620052657.3, and this system is made of the DSP and the FPGA of costliness, the increase system cost; This system need increase modules such as AD conversion, FIFO, filtering amplification, has increased the complexity and the power consumption of system, and native system is based on common embedded microcontroller, and cost and power consumption are all very low; The general input/output port of no GPIO during this system constitutes can not be expanded conventional sensors and control field apparatus such as light, gate control system etc., realizes effectively antitheft; This system does not have wireless transport module, can not carry out remote alarms.
The utility model content
The utility model is in order to overcome the deficiencies in the prior art, and a cover intellectuality, fail safe, low cost, low-power consumption, the embedded multimedia message supervisory control system based on image mobile detection technology that extensibility is strong are provided.
The technical scheme that the utility model solves the problems of the technologies described above is as follows:
The jpeg image sensor assembly, constitute based on the Embedded master controller of ARM, UART serial ports, SD card memory, GPRS radio communication submodule, the general input/output port of GPIO and seven parts of backup battery group: described jpeg image sensor assembly is connected to based on the Embedded master controller of ARM by the universal asynchronous serial port of UART; Described SD card memory is connected to the Embedded master controller based on ARM; Described GPRS radio communication submodule is connected to based on the Embedded master controller of ARM by the universal asynchronous serial port of UART.The general input/output port of described GPIO is connected in based on the Embedded master controller of ARM; Described backup battery group is connected in the power interface based on the Embedded master controller of ARM.Described remote monitoring end is made of one or more multimedia message mobile phone or a PC that inserts Internet.
Above-mentioned jpeg image transducer is made of one or more general JPEG cameras, and the structure of view data is a jpeg format, and interface is the universal asynchronous serial port of UART; Simultaneously, system is connected with the general input/output port of GPIO that can expand conventional sensors and realize field apparatus control.
Above-mentioned monitor terminal is connected with the SD card memory of the high resolution JPEG view data of storage candid photograph.
Above-mentioned GPRS wireless communicaltion module access is the universal asynchronous serial port of UART; The GPRS wireless communication module is made of GPRSModem, and replaceable one-tenth 3G module.
Above-mentioned remote monitoring end is connected multimedia message mobile phone on the wireless GPRS network by common one one or multi-section, or a PC that inserts Internet constitutes.
The beneficial effects of the utility model are as follows:
1. intelligent, workable: the main sensors of this supervisory control system is the jpeg image transducer that one or more general JPEG cameras are formed, use on the basis that does not increase hardware cost based on the software of image processing techniques and realize mobile detection, detection information is made of moving object size, depth-width ratio, speed etc.; Warning message is made of these detection information and the on-the-spot high definition jpeg image of capturing.System intelligent is higher, only needs update software just can bring the detection effect upgrading of system, can operate, maintainability is stronger.
2. extensibility is strong, the scope of application is wider: this supervisory control system main sensors is the jpeg image transducer, simultaneity factor has comprised the general input/output port of GPIO in forming, adopt standard interface to become to input or output by software arrangements, carry out auxiliary detection and control field apparatus such as light, gate control system etc. to connect multiple different conventional sensors, realize joint-monitoring, fail safe is higher, and the scope of application is wider.
3. cost, low in energy consumption: this supervisory control system constitutes based on the embedded master controller of ARM, by image processing techniques under the situation that does not increase hardware cost, exploitation mobile detection detection technique, use software to realize reporting to the police, detection algorithm can be safeguarded scalable and not need to increase hardware cost again, adopt embedded-type ARM chip simultaneously, to reduce system's static power consumption with power management.
4. warning message more comprehensively: the warning message of this supervisory control system is the multimedia message form, constitute by on-the-spot high definition jpeg image and Chinese text, the on-the-spot high definition jpeg format picture of image for capturing, text comprises detected moving object information, comprise object size, depth-width ratio, movement velocity etc., adopt Chinese form, the formation of warning message is more comprehensive, can reflect field condition more realistically, the intelligent enhancing, increase monitoring staff's simple operation simultaneously, alleviated monitoring staff's workload.
5. remote monitoring end facilitation: the remote monitoring end of this supervisory control system is made of one or more multimedia message mobile phone or a PC that inserts Internet.Adopt the regular handset monitor mode, convenient, flexible, can one also can be a plurality of, as long as just can realize remote monitoring, realize that the simplification of monitor mode and monitoring distance maximize in the place that wireless network covers.The PC of simultaneously any access Internet can be logined the E-mail address and inquire the warning multimedia message.Really realize at any time, monitor everywhere.
Description of drawings
Fig. 1 is a kind of embedded multimedia message supervisory control system block diagram based on image mobile detection technology of the utility model.
Among the figure: monitor terminal 1, remote monitoring end 2, jpeg image sensor assembly 3, based on the Embedded master controller 4 of ARM, UART serial ports 5, SD card memory 6, GPRS radio communication mold 7, the general input/output port 8 of GPIO, backup battery group 9, GPRS network 10, Internet 11.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is done detailed structrual description and course of work description:
Fig. 1 is a kind of embedded multimedia message supervisory control system block diagram based on image mobile detection technology of the utility model.As shown in Figure 1, a kind of embedded multimedia message supervisory control system based on image mobile detection technology is divided into two parts: monitor terminal 1 and remote monitoring end 2.
Monitor terminal 1: monitor terminal comprises following seven parts, jpeg image sensor assembly 3, based on the Embedded master controller 4 of ARM, SD card memory 6, GPRS radio communication mold 7, the general input/output port 8 of GPIO and backup battery group 9.Monitor terminal is positioned in the solid shell of steel, is called host box, is fixed on the body of wall of guarded region or the place of safety.
Remote monitoring end 2: the remote monitoring end comprises one or more common multimedia message mobile phone or any PC that inserts Internet arbitrarily.This supervisory control system does not have specific (special) requirements to the remote monitoring end, as long as the multimedia message mobile phone can receive multimedia message, send note; PC is common PC, needs to insert Internet.
Jpeg image sensor assembly 3: module should adopt general COMS or CCD camera, and is furnished with the JPEG special image compression chip of low-power consumption, support as high-resolution such as 1024 * 768, the delivery outlet of data is a UART serial ports 5, Transmission bit rate is 115200bps, 8 bit data positions and 1 position of rest, and module adopts the DC3.3V power supply, the exemplary operation electric current is at 20mA, and module does not receive orders in 10S and will enter low-power mode automatically.Jpeg image sensor assembly 3 is placed in the firm steel shell, is connected to based on the Embedded master controller 4 of ARM by shielding conductor, is installed on hidden place in the guarded region.
Based on the Embedded master controller 4 of ARM: based on the Embedded master controller 4 of ARM is STM32F103ZET6 based on the Contex-M3 kernel, and this processor maximum operating frequency is 72MHz, adopts Harvard's three class pipeline structure efficiently; Operating voltage is 2.0 ~ 3.6V, has five and is used for data inputs and the UART serial ports of exporting 5 to be connected jpeg image sensor assembly 3 and GPRS wireless communication module 7; Have the general input/output port 8 of extra GPIO, can bear the 5V level; Working temperature is negative 40 degrees centigrade to 85 degrees centigrade; RAM with 512K in-chip FLASH and 64K.
UART serial ports 5: belong to a kind of data-interface based on the Embedded master controller 4 of ARM.
SD card memory 6: native system adopts common SD card memory, SD card memory 6 be connected in the Embedded master controller 4 of ARM.This supervisory control system can be supported the SD card memory of 2G.
GPRS wireless communication module 7: the module that this supervisory control system adopts is the TR-800 of Singapore iWOW company, this module is supported four frequency ranges, the SIM card of support standard, support PHASE 2/2+ agreement and GSM900/1800MHz two-frequency operation pattern fully, operating voltage is 3.4 ~ 5.5V, power is extremely low, is suitable for battery applications; Be of a size of 41.2mm * 36mm * 3mm, weight only is 8.3g, and working temperature is negative 40 degrees centigrade to 85 degrees centigrade.GPRS wireless communication module 7 is connected to based on the Embedded master controller 4 of ARM by standard UART serial ports 5.
The general input/output port 8 of the general input/output port 8:GPIO of GPIO is by providing based on the Embedded master controller 4 of ARM.
Backup battery group 9: backup battery group 9 voltages are DC12V, and the power supply input port that is connected in system is system's power supply under the situation of mains failure.
GPRS network 10:GPRS network 10 is the GPRS network of present domestic three big operators, and monitor terminal is selected by the GPRS wireless communication module 7 and the employed SIM card that dispose in the system.GPRS network 10 adopts the mode of wireless connections that monitor terminal and remote monitoring end 2 are coupled together.
Internet11:Internet11 is maximum in the world at present the Internet.
The system works principle:
Jpeg image sensor assembly 3 is ceaselessly gathered the image information of low resolution, data output UART5 via module transfers to the Embedded master controller 4 based on ARM, view data based on the Embedded master controller 4 of ARM adopts the mobile detection algorithm process to gather does not then continue to gather if monitoring image changes; If occur unusual, system will report to the police, mark information such as moving object size, depth-width ratio, movement velocity, and control jpeg image sensor assembly 3 is gathered the high-definition image data, image and detection data are integrated into a multimedia message, backup is a when being kept at SD card memory 6, transfers to GPRS wireless communication module 7 by UART mouth 5, by GPRS wireless communication module 7 the warning multimedia message is sent to remote monitoring end 2 by GPRS network 10 at last.
Can connect conventional sensors when the general input/output port 8 of the GPIO of system is configured to the input port, transducer also can trigger warning; When being configured to delivery outlet, may command field apparatus such as light are lighted, and enable gate control system work etc.When mains failure, system will import 9 power supplies of backup battery group automatically and not influence system's operate as normal.
When the remote monitoring end uses the multimedia message mobile phone, can there be the place of GPRS network 10 signals to receive the warning multimedia message immediately, realizes Realtime Alerts any; When using the PC of any access Internet11,, just can view the warning multimedia message, finally realize remote monitoring whenever and wherever possible as long as sign in to the E-mail address.