CN202150868U - Multi-protocol data acquisition gateway - Google Patents
Multi-protocol data acquisition gateway Download PDFInfo
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- CN202150868U CN202150868U CN201120269143U CN201120269143U CN202150868U CN 202150868 U CN202150868 U CN 202150868U CN 201120269143 U CN201120269143 U CN 201120269143U CN 201120269143 U CN201120269143 U CN 201120269143U CN 202150868 U CN202150868 U CN 202150868U
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Abstract
The utility model relates to a multi-protocol data acquisition gateway. The multi-protocol data acquisition gateway in the utility model includes a central microprocessor, a power source module, a GPRS module, a communication interface, a serial interface, a JTAG debugging interface, a clock module and an LCD module. The central microprocessor connects with the power source module, the signal acquisition module, the GPRS module, the communication interface, the serial interface, the JTAG debugging interface, the clock module and the LCD interface separately. The multi-protocol data acquisition gateway can be used in compatible with a prior analog quantity acquisition and output module and a prior digital quantity acquisition and output module, so as to realize the expansion of acquisition quantity. Thus, the system is expanded on a basis of increasing no hardware cost of a main board, and the development period is shortened and hardware cost is reduced.
Description
Technical field
The utility model relates to a kind of data acquisition gateway.
Background technology
Immanent network has brought huge opportunity to develop to network access equipment.And along with the increasing rapidly of network insertion market, built-in network inserts and begins to become a field that attracts people's attention most in the embedded system technology.Under the promotion of built-in network technology, will form such situation: in the information in transmission over networks; 70% information will be arranged from embedded system; Perhaps will there be hundreds of millions of automobiles, communication equipment, home electric and factory system to be linked in the heterogeneous networks, and then form a huge Internet the Internet.For satisfying the networked function demand of embedded device, the embedded gateway of multi-protocols becomes the focus of research.
The utility model content
The technique effect of the utility model can overcome above-mentioned defective, and a kind of multi-protocol data acquisition gateway is provided, and it can realize the expansion of system, reduces construction cycle and hardware cost.
For realizing above-mentioned purpose; The utility model adopts following technical scheme: it comprises central microprocessor, power module, signal acquisition module, GPRS module, communication interface, serial line interface, JTAG debugging interface, clock module, LCD module, and central microprocessor is connected with power module, signal acquisition module, GPRS module, communication interface, serial line interface, JTAG debugging interface, clock module, LCD module respectively.
Multi-protocol data acquisition gateway is the integrated observing and controlling machine of industry spot, and the design of adopting quiet, wide temperature according to the technical grade standard is to adapt to abominable industrial environment.7 cun integrated industrial flat panel display and abundant acquisition controlling port have been disposed, through the analog acquisition that extends out the multichannel isolation, the switch acquisition that multichannel is isolated, the analog quantity output that multichannel is isolated.This gateway networking flexibility, integrated multiple communication modes comprises wire communication and GPRS/CDMA wireless network communication functions such as Ethernet, RS-232, RS-485.This gateway is widely used in various industrial equipment automations and process automation association areas such as factory automation, environmental protection automatic online monitoring equipment, energy-saving equipment, new forms of energy observing and controlling, power automation.
Native system is core board with the central microprocessor, and this core board has possessed outer extension memory and himself necessary peripheral circuit, forms the minimum system plate, so just can carry out the design of peripheral circuit around this core board.Central microprocessor adopts S3C2440 model chip, embedded WINCE operating system.The all input/output modules of native system all communicate with CPU through 485, can accomplish any expansion of module like this, and CPU embeds Wince operating system, and CPU provides serial ports and 485 interfaces and module to communicate.Communicate through the Modbus agreement between module and the host CPU, each module is all made photoelectricity and is isolated the fail safe of raising system.System adds the color touch screen, and good man computer interface is provided.
Usually require every equipment of remote monitoring in the plant produced, calculate every equipment running status and production capacity, enterprise is responsible for can understand workshop ruuning situation by remote live.Native system uses multi-protocol data acquisition gateway as monitoring equipment.The RS-232C that gateway carries, RS-485 and CAN-bus fieldbus can external several data collecting devices, intelligent detection equipment and watch-dog, satisfy most users' demand, can use Ethernet that the data of gathering are sent to administrative center.Need the scene to check the control of data execute-in-place in a lot of application scenarios, so just need designer's machine interactive interface to operate; Control just need according to circumstances design button or select touch-screen if desired.Can customized development if the client needs configuration to show.
Communication interface comprises 485 communication interfaces, RJ45 communication interface, USB communication interface.The all input/output modules of native system all communicate through 485 modes and central microprocessor, can accomplish any expansion of module like this, and central microprocessor embeds the visualized operation system.Communicate through the Modbus agreement between module and the central microprocessor, each module is all made photoelectricity and is isolated the fail safe of raising system.
The GPRS module adopts the MC52I model.
Native system can with existing analog acquisition, output module, digital data acquisition, the supporting use of output module realize the expansion of collection capacity, on the basis that does not increase the motherboard hardware cost, can realize the expansion of system, have reduced construction cycle and hardware cost.
Description of drawings
Fig. 1 is the circuit module sketch map of the utility model.
Embodiment
The gateway of the utility model comprises central microprocessor, power module, signal acquisition module, GPRS module, communication interface, serial line interface, JTAG debugging interface, clock module, LCD module, and central microprocessor is connected with power module, signal acquisition module, GPRS module, communication interface, serial line interface, JTAG debugging interface, clock module, LCD module respectively.
Central microprocessor adopts S3C2440 model chip.Communication interface comprises 485 communication interfaces, RJ45 communication interface, USB communication interface.The GPRS module adopts the MC52I model.
Module+the VS pin connects the positive ends of input power supply, and the GND pin connects the negative polarity end of input power supply, the incorrect polarity of avoiding power supply to connect during connection.When a plurality of modules were connected to same power supply, all+VS pin was connected to power positive end, and the GND pin is connected to power supply negative terminal.The RS-485 connection is when connecting, and module DATA+ ends all on the network must be connected to same 485A holding wire, and all module DATA-ends must be connected to same 485B holding wire, otherwise can cause the communication abnormality of network.
The EBI that 485 communication interfaces of module are isolated for band when needing altogether, is connected to going up isolator of RS-485 main frame with the 485GND of module.The RS-485 network is the bus type topological structure, reduces a line length during wiring of suggestion networking as far as possible.End at the backbone of RS-485 network need connect terminal resistance.
The RS-485 connection can use twisted-pair feeder, Shielded Twisted Pair.If communication distance surpasses 1KM, the sectional area that should guarantee line is greater than Φ 1.0mm
2, concrete specification should be decided according to distance, and routine is suitably to strengthen with the lengthening of distance.The RS-485 network requirement is at two terminal installing terminal resistance of main line.
CPU is the real-time control core of whole embedded system, and it as the master controller of intelligent node, is the core of whole embedded gateway in EPA.It is the S 3C2410 microprocessor of core that this paper selects for use with ARM920T; S3C2410 is the risc microcontroller of 32bit; This processor is specially adapted to the network equipment of portable equipment and high performance-price ratio, low-power consumption, it is integrated richs in natural resources such as USBHost, NAND controller, BUS controller, interruption controls, power control, storage control, UART, WatchDog, SPI, SDI/MMC, IS, IC, GPIO, RTC, TIMER/PWM, ADC.
Native system can connect Ethernet through the RJ45 communication interface, thereby realizes that being sent to the remote monitoring end to the data of gathering gets on the browser.Network external tapping through an isolating transformer and RJ45 communication interface when design network card chip circuit links to each other, and external host is connected with the RJ45 communication interface through the Ethernet netting twine, realizes exchanges data.
The serial line interface partial design is used UART, and serial line interface uses MAX1485 to carry out level conversion, realizes receiving the information that fieldbus sends from RS-485.
Claims (4)
1. multi-protocol data acquisition gateway; It is characterized in that; Comprise central microprocessor, power module, signal acquisition module, GPRS module, communication interface, serial line interface, JTAG debugging interface, clock module, LCD module, central microprocessor is connected with power module, signal acquisition module, GPRS module, communication interface, serial line interface, JTAG debugging interface, clock module, LCD module respectively.
2. multi-protocol data acquisition gateway according to claim 1 is characterized in that, central microprocessor adopts S3C2440 model chip.
3. multi-protocol data acquisition gateway according to claim 1 and 2 is characterized in that, communication interface comprises 485 communication interfaces, RJ45 communication interface, USB communication interface.
4. multi-protocol data acquisition gateway according to claim 1 and 2 is characterized in that, the GPRS module adopts the MC52I model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120269143U CN202150868U (en) | 2011-07-27 | 2011-07-27 | Multi-protocol data acquisition gateway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120269143U CN202150868U (en) | 2011-07-27 | 2011-07-27 | Multi-protocol data acquisition gateway |
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| CN202150868U true CN202150868U (en) | 2012-02-22 |
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| CN201120269143U Expired - Lifetime CN202150868U (en) | 2011-07-27 | 2011-07-27 | Multi-protocol data acquisition gateway |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102881146A (en) * | 2012-09-08 | 2013-01-16 | 无锡中科苏惠自动化技术有限公司 | Industrial on-site equipment data acquirer of multiple industrial buses |
| CN103067233A (en) * | 2012-12-20 | 2013-04-24 | 青岛高校信息产业有限公司 | Isolated type Ethernet communication interface controller |
| CN103944770A (en) * | 2014-05-13 | 2014-07-23 | 上海电气集团股份有限公司 | High-performance communication management device |
| CN105608877A (en) * | 2016-02-24 | 2016-05-25 | 河南派亚尼尔自动化设备有限公司 | Touch-screen household heat meter collector and application method |
| CN109450784A (en) * | 2018-12-05 | 2019-03-08 | 江苏恒创软件有限公司 | A kind of industrial intelligent gateway can adapt to varying environment |
| CN109831426A (en) * | 2019-01-28 | 2019-05-31 | 广东省智能制造研究所 | A kind of heterogeneous system based on ARM kernel internet of things data agreement |
-
2011
- 2011-07-27 CN CN201120269143U patent/CN202150868U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102881146A (en) * | 2012-09-08 | 2013-01-16 | 无锡中科苏惠自动化技术有限公司 | Industrial on-site equipment data acquirer of multiple industrial buses |
| CN103067233A (en) * | 2012-12-20 | 2013-04-24 | 青岛高校信息产业有限公司 | Isolated type Ethernet communication interface controller |
| CN103067233B (en) * | 2012-12-20 | 2017-03-15 | 青岛高校信息产业有限公司 | A kind of isolated form ethernet interface controller |
| CN103944770A (en) * | 2014-05-13 | 2014-07-23 | 上海电气集团股份有限公司 | High-performance communication management device |
| CN105608877A (en) * | 2016-02-24 | 2016-05-25 | 河南派亚尼尔自动化设备有限公司 | Touch-screen household heat meter collector and application method |
| CN109450784A (en) * | 2018-12-05 | 2019-03-08 | 江苏恒创软件有限公司 | A kind of industrial intelligent gateway can adapt to varying environment |
| CN109831426A (en) * | 2019-01-28 | 2019-05-31 | 广东省智能制造研究所 | A kind of heterogeneous system based on ARM kernel internet of things data agreement |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 266071 Shandong city of Qingdao province Ningxia City Road No. 288 Patentee after: QINGDAO GAOXIAO INFORMATION INDUSTRY CORP., LTD. Address before: 266071 Shandong city of Qingdao province Ningxia City Road No. 288 Patentee before: Qingdao Gaoxiao Information Industry Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20120222 |
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| CX01 | Expiry of patent term |