CN102523284A - Data collection system based on network control and universal serial bus (USB) storage equipment - Google Patents
Data collection system based on network control and universal serial bus (USB) storage equipment Download PDFInfo
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- CN102523284A CN102523284A CN2011104202600A CN201110420260A CN102523284A CN 102523284 A CN102523284 A CN 102523284A CN 2011104202600 A CN2011104202600 A CN 2011104202600A CN 201110420260 A CN201110420260 A CN 201110420260A CN 102523284 A CN102523284 A CN 102523284A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Abstract
The invention belongs to the technical field of embedded type data collection, in particular to a data collection system based on network control and universal serial bus (USB) storage equipment. The system comprises a software module of a remote upper computer, a hardware protocol stack module, a data collection module and the like. According to the system, data are collected at real time by a sensor group; and after the data are converted inside a single chip computer, the data are stored into USB storage equipment by utilizing a USB interface chip. In the control aspect, remote network control is adopted, a control information packet is transmitted by utilizing the software of the upper computer through a network, control information is extracted at a hardware protocol stack end, then the control information is transmitted to the data collection module controlled by the single chip computer through a serial port, and the control of switching collection passages, changing the sampling frequency, starting/stopping and the like is realized. The data collection system based on the network control and the USB storage equipment has the characteristics of remote control, high storage quantity, low energy consumption, network resource saving, strong stability, small volume and the like and can adapt to data collection under various environments.
Description
Technical field
The invention belongs to the embedded data acquisition technical field, be specifically related to the data acquisition system of a kind of control Network Based and USB memory device.
Background technology
Data acquisition (Data Acquisition) is a basic means of obtaining information, is meant analog acquisitions such as data, pressure, flow, displacements, converts digital signal to, and send into the process that result was stored, handles and exported to computer.The system that realizes data acquisition is for being called data acquisition system (Data Acquisition system) (DAS).
In industrial processes, data acquisition system can be used to realize the real-time monitoring of production process, to the technological parameter of production scene gather, supervision and record, information and means are provided for improving the quality of products, reducing production costs.In scientific research, data acquisition system is used for realizing quantitative analysis and the dynamic analog to goal in research, is the important means of announcement science secret.
At present, the data acquisition system on the market is simply the data that measure to be shown through charactron or LCD mostly, perhaps stores through the less ROM of capacity.Do not embody digital signal and be convenient to the advantage of handling and storing, yet can't remember and store, inconvenient mass data is carried out statistical analysis yet long-time data measured.Aspect the control of data acquisition system, be to control mostly through external connection keyboard, can't realize Long-distance Control, limited to the application of data acquisition system.
Existing data acquisition system is inconvenient to store or memory capacity is little in order to solve; Can't carry out the shortcoming of Long-distance Control; The invention provides the data acquisition system of a kind of control Network Based and USB memory device, on the one hand, the present invention can articulate big capacity USB memory device; For data acquisition system provides the memory space of vast capacity, can carry out long data acquisition.On the other hand; The present invention utilizes hardware protocol stacks to cooperate upper computer software to realize Long-distance Control; Upper computer software sends control information to hardware protocol stacks through network; Hardware protocol stacks is converted into the async framing that is suitable for serial communication and sends to data acquisition system after receiving information, thereby realizes the Long-distance Control to hardware system.
Summary of the invention
The objective of the invention is to problem little to existing data acquisition system stores capacity and can only touch controls, provide a kind of memory capacity big and be convenient to the data acquisition system of Long-distance Control.
Data acquisition system provided by the invention is based on network control and USB memory device.Specifically form by long-range upper computer software module, hardware protocol stacks module, data acquisition module.
Described long-range PC control software mould is fast, is under Windows operating system, utilizes the software of the network service of Socket socket realization.(the handled easily person is to the control of data acquisition module for Graphical User Interface, GUI) interface to have good graphic user interface.
Described hardware protocol stacks module, the embedded system of forming by 51 single-chip microcomputers, RTL8019AS ethernet controller, serial port circuit and uIP open source protocol stack.In whole system; The control data that sends as the network node receiving remote host computer of receiving terminal; Through the processing of ethernet controller and 51 single-chip microcomputers, convert control information the control information of serial ports async framing form into, and send to data acquisition module through serial ports.System utilizes usb circuit (like CH375), realizes articulating of USB memory device and 51 single-chip microcomputers.
Said data acquisition module is made up of multichannel data transducer, control single chip computer, serial port circuit, usb circuit and USB memory device.The multichannel data transducer is selected in the control information that control single chip computer is received according to serial port circuit, through the inner data transaction of control single chip computer, through usb circuit, with the stored in form of file in the USB memory device.Collection, the storage of data have been realized.
Among the present invention, after the data process that single-chip microcomputer collects data pick-up transforms, write in the USB memory device, thereby solved the problem of mass data storage in the data acquisition system through the form of USB interface chip with file.Utilize long-range upper computer software and hardware protocol stacks to realize telecommunication network control, make its range of application expand to the field that some can't carry out touch controls.
Among the present invention; Control information is to be sent by the form of long-range host computer with network packet, and hardware protocol stacks converts network packet the async framing of serial ports into, and then the sampling channel of control data acquisition module switches; The change of sample rate, startup/end collection etc.
Characteristics of the present invention are Long-distance Control, high memory space, and energy consumption is low, conserve network resources, stability is strong, and volume is little etc.
The invention has the beneficial effects as follows, can carry out long data acquisition, and with the image data real-time storage to be easy to get and USB memory device capacious in, be convenient in commercial production and scientific research, off-line data carried out statistical analysis.Can Long-distance Control, realized the data acquisition under some noncontact environment, increased the range of application of data acquisition system greatly, for the data acquisition under some particular surroundings provides solution.
Description of drawings
Fig. 1 system block diagram of the present invention.
Fig. 2 hardware protocol stacks module frame chart of the present invention.
Fig. 3 hardware protocol stacks modular circuit of the present invention schematic diagram.
Fig. 4 data acquisition module block diagram of the present invention.
Fig. 5 data acquisition module circuit theory diagrams of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Operation principle of the present invention is as shown in Figure 1; The user is through the software sending controling instruction of long-range host computer; Hardware protocol stacks receiving network data bag also is converted into the async framing form in the serial communication; And sending to data acquisition module, data acquisition module is accomplished according to the control information that receives and is switched acquisition channel, changes sample frequency, operation such as starts, stops.
Hardware protocol stacks module frame chart of the present invention is as shown in Figure 2, and this hardware protocol stacks is by 51 single-chip microcomputers, RTL8019AS ethernet controller, the embedded system that serial port circuit and uIP open source protocol stack are formed.In whole system; The control data that sends as the network node receiving remote host computer of receiving terminal; Processing through ethernet controller and 51 single-chip microcomputers converts control information the control information of into serial ports async framing form, and sends to data acquisition module through serial ports.
Hardware protocol stacks modular circuit schematic diagram of the present invention is as shown in Figure 3; Single-chip microcomputer is through level transferring chip MAX232 with being connected of serial ports; RX and TX pass through MAX232 and realize making it meet the serial communication level conversion of logic level, to realize serial communication protocol; Single-chip microcomputer is connected with RTL8019AS's, adopts parallel mode, comprises data wire, read-write control signal, chip selection signal, reset signal etc.In addition, be the capacity of expansion single-chip microcomputer RAM, adopt the outside to articulate RAM, because single-chip microcomputer P0 port address line and data wire are multiplexing, so locate to adopt the latch time-sharing multiplex.
Data acquisition module block diagram of the present invention is as shown in Figure 4, is by multiple sensor, control single chip computer, and serial port circuit, usb circuit and USB memory device are formed.Multiple sensor is selected in the control information that control single chip computer is received according to serial ports, through the inner data transaction of single-chip microcomputer, through usb circuit, with the stored in form of file in the USB memory device.Realized the collection storage of data.
Data acquisition module circuit theory diagrams of the present invention are as shown in Figure 5, and single-chip microcomputer is through level transferring chip MAX232 with being connected of serial ports, and RX and TX make it meet the serial communication level, to realize serial communication protocol through the conversion that MAX232 realizes logic level; Single-chip microcomputer is connected with CH375's, adopts parallel mode.The parallel port holding wire comprises: 8 BDB Bi-directional Data Bus D7～D0, read gate input pin RD#, write gate input pin WR#, sheets select input pin CS#, interrupt output pin INT# and address input pin A0; In addition, through the running status that the LED signal lamp comes real-time monitoring system being set, the convenient operation troubles of finding; Whole system adopts outside 5V and the two power voltage supplies of 3.3V.
Claims (2)
1. the data acquisition system of control Network Based and USB memory device is characterized in that being made up of long-range upper computer software module, hardware protocol stacks module, data acquisition module; Wherein:
Described long-range PC control software mould is fast, is under Windows operating system, utilizes the software of the network service of Socket socket realization;
Described hardware protocol stacks module, the embedded system of forming by 51 single-chip microcomputers, RTL8019AS ethernet controller, serial port circuit and uIP open source protocol stack; In whole system; The control data that sends as the network node receiving remote host computer of receiving terminal; Processing through RTL8019AS ethernet controller and 51 single-chip microcomputers converts control information the control information of into serial ports async framing form, and sends to data acquisition module through serial port circuit; System utilizes the USB interface chip, realizes articulating of USB memory device and 51 single-chip microcomputers;
Said data acquisition module is made up of multichannel data transducer, control single chip computer, serial port circuit, usb circuit and USB memory device; The multichannel data transducer is selected in the control information that control single chip computer is received according to serial port circuit, through the inner data transaction of control single chip computer, through usb circuit, in the USB memory device, realizes collection, the storage of data with the stored in form of file.
2. the data acquisition system of control Network Based according to claim 1 and USB memory device; It is characterized in that control information sent by the form of long-range host computer with network packet; Hardware protocol stacks converts network packet into the async framing of serial ports; And then the sampling channel of control data acquisition module switches the change of sample rate, startup/end collection.
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| CN2011104202600A CN102523284A (en) | 2011-12-15 | 2011-12-15 | Data collection system based on network control and universal serial bus (USB) storage equipment |
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| CN2011104202600A CN102523284A (en) | 2011-12-15 | 2011-12-15 | Data collection system based on network control and universal serial bus (USB) storage equipment |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103092115A (en) * | 2013-01-28 | 2013-05-08 | 王泰戈 | Sensor transfer measurement and control system based on miniature universal serial bus (USB) |
| CN104035426A (en) * | 2014-06-27 | 2014-09-10 | 北京奇艺世纪科技有限公司 | Method, device and system for terminal remote control |
| CN105374200A (en) * | 2015-10-16 | 2016-03-02 | 北京精密机电控制设备研究所 | High-speed reliable remote data collection storage system |
| CN105652743A (en) * | 2015-12-29 | 2016-06-08 | 生迪智慧科技有限公司 | Interface control method and interface control device |
| CN107221211A (en) * | 2017-08-03 | 2017-09-29 | 卢桂强 | A kind of computer media distance education training instructional device |
| CN110290187A (en) * | 2019-06-12 | 2019-09-27 | 浙江大华技术股份有限公司 | Transmission method and device, storage medium, the electronic device of data information |
| CN113625630A (en) * | 2021-08-09 | 2021-11-09 | 大易智慧信息科技(苏州)有限公司 | Device for remotely controlling operation of single chip microcomputer by upper computer |
| CN116841474A (en) * | 2023-08-31 | 2023-10-03 | 深圳米米网科技有限公司 | Automatic switching method and system based on mobile hard disk and network storage dual modes |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103092115A (en) * | 2013-01-28 | 2013-05-08 | 王泰戈 | Sensor transfer measurement and control system based on miniature universal serial bus (USB) |
| CN104035426A (en) * | 2014-06-27 | 2014-09-10 | 北京奇艺世纪科技有限公司 | Method, device and system for terminal remote control |
| CN105374200A (en) * | 2015-10-16 | 2016-03-02 | 北京精密机电控制设备研究所 | High-speed reliable remote data collection storage system |
| CN105374200B (en) * | 2015-10-16 | 2019-01-11 | 北京精密机电控制设备研究所 | A kind of reliable remote data acquisition storage system of high speed |
| CN105652743A (en) * | 2015-12-29 | 2016-06-08 | 生迪智慧科技有限公司 | Interface control method and interface control device |
| CN107221211A (en) * | 2017-08-03 | 2017-09-29 | 卢桂强 | A kind of computer media distance education training instructional device |
| CN110290187A (en) * | 2019-06-12 | 2019-09-27 | 浙江大华技术股份有限公司 | Transmission method and device, storage medium, the electronic device of data information |
| CN113625630A (en) * | 2021-08-09 | 2021-11-09 | 大易智慧信息科技(苏州)有限公司 | Device for remotely controlling operation of single chip microcomputer by upper computer |
| CN116841474A (en) * | 2023-08-31 | 2023-10-03 | 深圳米米网科技有限公司 | Automatic switching method and system based on mobile hard disk and network storage dual modes |
| CN116841474B (en) * | 2023-08-31 | 2023-12-29 | 深圳米米网科技有限公司 | Automatic switching method and system based on mobile hard disk and network storage dual modes |
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Application publication date: 20120627 |