CN1226845C - Embedded intellgient high speed signal collection monitoring system - Google Patents
Embedded intellgient high speed signal collection monitoring system Download PDFInfo
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- CN1226845C CN1226845C CN 03125336 CN03125336A CN1226845C CN 1226845 C CN1226845 C CN 1226845C CN 03125336 CN03125336 CN 03125336 CN 03125336 A CN03125336 A CN 03125336A CN 1226845 C CN1226845 C CN 1226845C
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Abstract
The present invention relates to a collecting and monitoring system based on embedded intelligent high-speed signals, which is composed of a high-speed collecting signal source, a 16-bit DA converted high-precision function generator, a sensor system protecting and stabilizing module, a supervisory computer communication module, an RS232/USB communication module, an LCD dynamically displaying module, a 10M/100M network communication module, a USB interface based signal storing module, etc. The present invention is characterized in that a DSP signal collecting and processing module is also connected between a high-speed collecting module and the RS232/USB communication module; the input terminal of the DSP signal collecting and processing module is connected with the output terminal of the high-speed collecting module, and the output terminal of the DSP signal collecting and processing module is connected with the RS232/USB communication module. The input terminal of an ARM embedded monitoring module is connected with the RS232/USB communication module and the LCD dynamically displaying module, and the output terminal of the ARM embedded monitoring module is connected with the 10M/100M network communication module and the USB interface based signal storing module.
Description
Technical field
The invention belongs to the monitoring technique in a kind of computer network, is a kind of based on Embedded intelligent high-speed signals collecting supervisory control system specifically.
Background technology
What present hardware systems framework mode based on signals collecting and processing adopted substantially is the scheme of " measuring and controlling card+industrial computer ", promptly inserts in the industrial computer with ready-made signals collecting integrated circuit board.This mode has good stability, advantages such as highly versatile.But since in high speed acquisition along with the increasing of gathering and handle flow, this scheme is owing to adopt to such an extent that be 16 isa bus, so can't meet the demands.Along with the continuous development of networking and deeply, process information need be carried out real-time network monitoring, and present scheme only can't reach the high speed performance requirement by adding network interface card.The overall cost of signal acquiring board and industrial computer is higher in addition, and resource utilization is relatively low, so should not realize industrialized development.
The Internet network: the Internet network based on TCP/IP is the wide area network of present international mainstream, the main network channel of government, enterprise and personal information circulation, exchange.Same then is the primary structure form of enterprises lan based on this protocol of I ntranet.The information management of enterprise, ecommerce, network manufacturing etc. all depend on this passage.This network bottom layer agreement adopts the IEEE802.3 standard.
TCP/IP protocol suite: TCP/IP is the cover communication protocol that many identical or different type computer are carried out information exchange.The accurate title of ICP/IP protocol group should be the internet protocol suite, and TCP and IP are two agreements wherein.And internet protocol suite TCP/IP has also comprised other agreement and the network application relevant with these two agreements, as User Datagram Protoco (UDP) (UDP), ARP (ARP) and Internet Internet Control Message Protocol (ICMP).Because TCP/IP is the protocol groups that internet adopts, so the TCP/IP architecture is called the internet architecture.
CAN control area net network (Control Area Network): CAN is former to be that the monitoring and the control aspect of automobile designs by German Bosch company before this, and existing oneself progressively develops into and is used for other industrial department, and its bus specification is formulated by ISO and is international standard.In the bus, be unique fieldbus that is approved for international standard at present at the scene.
Summary of the invention
The purpose of this invention is to provide that a kind of what adopt based on Embedded intelligent high-speed collection monitoring system is the scheme of " DSP+ARM ", DSP carries out high-speed signal acquisition and analysis, ARM will analyze data carry out Network Transmission, dynamically show and store based on Embedded intelligent high-speed signals collecting supervisory control system, to overcome above-mentioned deficiency.
To achieve these goals, the present invention is by the high speed acquisition signal source, the high accuracy function generator of 16 DA conversions, sensing system protection and stabilizing arrangement, the upper machine communication device, the RS232/USB communication device, the LCD dynamic display device, the 10M/100M network communication device, compositions such as USB interface-based signal storage device, wherein the high speed acquisition signal source is connected the LCD dynamic display device by the high speed acquisition device with the RS232/USB communication device, 10M/100M network communication device and USB interface-based signal storage device, sensing system protection and stabilizing arrangement provide the burning voltage of each functional device of system, and be under the abnormal work states such as over-voltage and over-current or transducer outrange in system, provide photoelectricity insulation blocking of voltage stabilizing current limliting and alarm signal to sensing system; 16 DA conversion equipments produce standard high-precision saws wave function and offer the high speed acquisition signal source as the canonical reference signal, be characterized in: between high speed acquisition device and RS232/USB communication device, also be connected with a DSP signals collecting and processing unit, the input of DSP signals collecting and processing unit is connected with the output of high speed acquisition device, its output is connected with the RS232/USB communication device, the RS232/USB communication device connects the LCD dynamic display device, (Advanced RISC Machines is a tame esbablished corporation of microprocessor industry also to be connected with an ARM between 10M/100M network communication device and the USB interface-based signal storage device, now generally refer to 32 leading Embedded RISC microprocessors of the said firm's development) supervising device, the input of ARM embedded monitoring device connects RS232/USB communication device and LCD dynamic display device, and its output connects 10M/100M network communication device and USB interface-based signal storage device;
The output of above-mentioned DSP signals collecting and processing unit also is connected with CAN bus communication device.
Mainly be based on the digital collection card system of industrial computer in the market, but cost is higher, limited and the common industrial computer of performance does not reach rate request by bus mode at all, thus the price of external this product is more expensive and also with the also very not compatible embedded development scheme that can only adopt DSP of home products interface.Use the embedded development scheme, have the little execution efficient of source code advantages of higher.This scheme is based on existing Vxworks and CCStudio (Code Composer Studio, spectrum sign indicating number operating room) embedded Integrated Development Environment, emphasis is realized compatibilityization and the visual work for the different model signal source, it comprises: global function debugger (selecting different sample frequency and upper communication interface according to the operating mode that transducer is different), sampling algorithm Functional Analysis storehouse (selecting different Functional Analysis algorithms) according to the operating mode that transducer is different, the dynamic and visual window of sampling output, system peripheral and control driving interface or the like.
Description of drawings
Fig. 1 is high-speed signal acquisition of the present invention and treatment system structured flowchart.
Fig. 2 is an embedded network monitoring system structured flowchart of the present invention.
Fig. 3 is the large-scale distributed Embedded intelligent high-speed collection monitoring system schematic diagram based on Internet of the present invention.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are further described, but this embodiment should not be construed as limitation of the present invention.
As shown in Figure 1, this hardware unit is mainly by the high speed acquisition signal source, the high accuracy function generators of 16 DA conversions; DSP signals collecting and processing unit; sensing system protection and stabilizing arrangement, CAN bus communication device, several parts such as upper machine communication device are formed.The DSP process chip that the present invention adopts is the TMS320F2407 or the TMS320C5402 special signal processing unit of U.S. Ti company.At first, the high speed acquisition signal source can be converted into the light pulse signal in the fiber grating demodulation device low frequency analog electrical pulse signal, then DSP signals collecting and processing unit with the voltage signal that collects sample, weight quantization, smoothing denoising etc., advance with the form of the signal of telecommunication the capable bandpass filtering of frequency of light wave according to given frequency, will obtain useful filtering signal at last and be delivered to system's host computer by the upper machine communication device interface and carry out data base administration the sensor acquisition signal.Sensing system protection and stabilizing arrangement provide the burning voltage of each functional device of system, and are under the abnormal work states such as over-voltage and over-current or transducer outrange in system, provide photoelectricity insulation blocking of voltage stabilizing current limliting and alarm signal to sensing system.16 DA conversion equipments produce standard high-precision saws wave function and offer the high speed acquisition signal source as the canonical reference signal.
As shown in Figure 2, this hardware unit mainly realizes that by the ARM process chip 4510S3C4510B of Korea S Samsung embedded monitoring device, RS232/USB communication device, LCD dynamic display device, 10M/100M network communication device, USB interface-based signal storage device etc. form.The multichannel data that the RS232/USB communication device of ARM is gathered DSP and handle is collected and is stored.ARM shows each circuit-switched data bag collation pass LCD dynamic display device of dividing into groups in real time then.Last ARM sends the data of necessary for monitoring to central monitoring system by local area network (LAN)/internet by RL8201 (10M/100M) network communication device.And debugging during field adjustable system also some significant datas can be stored in the solid state hard disc of ARM and read and write by USB interface.
The intellectuality identification and the processing of high-speed signal acquisition of the present invention are adopted the multiple signals parallel processing technique to improve handling property and are reduced cost.Employing is based on the large-scale distributed software support platform of Internet, make things convenient for user's secondary development based on the remote real-time monitoring system of Internet software of the present invention to be: what DSP high-speed signal acquisition and treatment system adopted is CCS debugging and translation and compiling environment, by the compiling of JTAG communication port with download.
This program mainly realizes following function: data sampling and filtering, data prediction and analysis, based on the transmitting-receiving of CAN bus data and processing, based on data transmission of RS232/USB etc.Data sampling and filter adopt the timer mode, 12 bit data point of sampling 20K in 100HZ.Again data are weighted filtering.Can adopt different data processing algorithm (interpolation, prediction, match) etc. according to different working condition requirements and performance index.If the several system concurrent working, they can be sent to host computer by the CAN bus mode with the data of handling well.TMS320F2407 supports CAN2.0B standard CAN bus interface and agreement, has good versatility.Be responsible for giving S3C4510B based on the upper machine communication of RS232/USB with data.
What adopt based on the embedded network monitoring system software of S3C4510B is Vxworks operating system, by the compiling of JTAG communication port with download.
This program is mainly finished following function: based on the Data Receiving of RS232/USB, LCD Data Dynamic show and inquiry, based on 10M/100M remote monitoring and diagnosis, USB interface-based data mass memory etc.S3C4510B receives the data that DSP sends by RS232/USB, by lattice type LCD Data Dynamic is shown then.Because adopting data is multichannel, so adopt the button inquiry mode that multiple signals are shown simultaneously.Owing to need carry out permanent reservation to some sampled data at the operating mode scene,, can by USB interface it be read by PC then so store by magnanimity solid state hard disc mode.
This invention can be used for the dynamic monitoring of dam, the load monitoring of bridge, the structure monitoring of culvert, the monitoring of the temperature and pressure of oil well, the safety monitoring of mine, the dynamic monitoring of large-scale civil buildings structure etc., this system can also be used to some special structures are carried out the high-resolution dynamic monitoring in addition, as Performance Detection of various spacecraft coverings or the like.
Accompanying drawing 3 has provided the large-scale distributed Embedded intelligent high-speed collection monitoring system schematic diagram based on Internet, and each Monitor And Control Subsystem carries out dynamic monitoring to a concrete object, as dam or bridge etc.These subsystems can be connected into Internet by different access waies, as Ethernet, wireless etc., can further analyze and manage the concrete state of monitoring objective in Surveillance center.
Claims (2)
1, a kind of based on Embedded intelligent high-speed signals collecting supervisory control system, by the high speed acquisition signal source, the high accuracy function generator of 16 DA conversions, sensing system protection and stabilizing arrangement, the upper machine communication device, the RS232/USB communication device, the LCD dynamic display device, the 10M/100M network communication device, USB interface-based signal storage device is formed, wherein the high speed acquisition signal source is connected the LCD dynamic display device by the high speed acquisition device with the RS232/USB communication device, 10M/100M network communication device and USB interface-based signal storage device, sensing system protection and stabilizing arrangement provide the burning voltage of each functional device of system, and be under over-voltage and over-current or the transducer outrange abnormal work state in system, provide photoelectricity insulation blocking of voltage stabilizing current limliting and alarm signal to sensing system; 16 DA conversion equipments produce standard high-precision saws wave function and offer the high speed acquisition signal source as the canonical reference signal, it is characterized in that: between high speed acquisition device and RS232/USB communication device, also be connected with a DSP signals collecting and processing unit, the input of DSP signals collecting and processing unit is connected with the output of high speed acquisition device, its output is connected with the RS232/USB communication device, the RS232/USB communication device connects the LCD dynamic display device, also be connected with one 32 Embedded RISC microprocessors (ARM) supervising device between 10M/100M network communication device and the USB interface-based signal storage device, the input of 32 Embedded RISC microprocessors (ARM) supervising device connects RS232/USB communication device and LCD dynamic display device, and its output connects 10M/100M network communication device and USB interface-based signal storage device.
2, as claimed in claim 1 based on Embedded intelligent high-speed signals collecting supervisory control system, it is characterized in that: the output of DSP signals collecting and processing unit also is connected with CAN bus communication device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 03125336 CN1226845C (en) | 2003-08-27 | 2003-08-27 | Embedded intellgient high speed signal collection monitoring system |
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| CN 03125336 CN1226845C (en) | 2003-08-27 | 2003-08-27 | Embedded intellgient high speed signal collection monitoring system |
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| CN1492629A CN1492629A (en) | 2004-04-28 |
| CN1226845C true CN1226845C (en) | 2005-11-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100336034C (en) * | 2005-04-22 | 2007-09-05 | 上海海事大学 | Embedded real-time simulation platform |
| CN101146002B (en) * | 2007-07-26 | 2010-07-14 | 北京联合大学 | An evaluation system and method for built-in sensing network terminal |
| CN103297736A (en) * | 2013-06-13 | 2013-09-11 | 深圳南方汉邦数字技术有限公司 | System and method for data storage and network transmission of video monitoring |
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