CN101840248A - Palm computer with wireless communication and data acquisition functions - Google Patents
Palm computer with wireless communication and data acquisition functions Download PDFInfo
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- CN101840248A CN101840248A CN201010136020A CN201010136020A CN101840248A CN 101840248 A CN101840248 A CN 101840248A CN 201010136020 A CN201010136020 A CN 201010136020A CN 201010136020 A CN201010136020 A CN 201010136020A CN 101840248 A CN101840248 A CN 101840248A
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Abstract
The invention discloses a palm computer with wireless communication and data acquisition functions, which is a Zigbee wireless communication-based handheld data acquisition and control terminal. The palm computer comprises a CPU, a data storage module, a Zigbee wireless data transmission module, a battery power supply module, a display module and an external interface module. Besides general functions of palm computers, the palm computer also has the functions of wireless communication, data acquisition, data storage, data graphic display and wireless remote control, integrates the advantages of the palm computer, an Ethernet and Zigbee wireless communication, solves the problems of wiring and itinerant monitoring in a normal data acquisition and control system, has the characteristics of low power consumption, anti-interference, flexible networking, and simple and convenient operation, and realizes data transmission between a wireless personal local network (WPAN) and the Internet.
Description
Technical field
The present invention relates to data acquisition and control device, particularly a kind of hand-held data collection and control terminal based on the Zigbee radio communication.
Background technology
Internet of Things (The Internet of things) is the important behave in world's new round technological revolution.Internet of Things is in order to realize " thing and thing extensively interconnected ", and there are bigger scale and using value in this internet than existing " person to person's is extensively interconnected ".Internet of Things is meant all article by information sensing equipment and Internet connections such as radio-frequency (RF) identification (RFID), infrared inductor, GPS, laser scanners, carry out message exchange and communication, realize intelligent identification, location, tracking, monitoring and management.Internet of Things fully is used in IT technology of new generation among all trades and professions, specifically, exactly sensor is embedded and is provided in the various objects such as electrical network, railway, bridge, tunnel, highway, building, dam, water supply air feed electric power system, oil and gas pipes, then " Internet of Things " and existing internet are integrated.ZigBee (IEEE802.15.4) technology is a kind of short-distance wireless communication technology that latest developments are got up, and is low in energy consumption, is the main support technology of wireless sensor network.Its many characteristics make it in fields such as industrial monitoring, sensor network, family's monitoring, security systems very big development space be arranged.Zigbee wireless communication technique and Bluetooth technology and WiFi wireless local area network technology relatively, its basic characteristics are energy consumption low (two joint No.5 cells can with half a year to two year), chip price is cheap, cloth office network, and and wireless sensor network compatibility easily.The present invention be directed to existing data acquisition and problems such as control terminal cost height and maintenance difficult based on cable network, a kind of palm PC with radio communication and data acquisition function has been proposed, what existing palm PC adopted is the wireless communication technology of bluetooth and WiFi (WLAN (wireless local area network)), weak point is the energy consumption height, the most important thing is to communicate with wireless sensor network.We combine palm PC and Zigbee wireless communication technology, utilize the Zigbee wireless data transfer module to realize collection, reception and transmission and the far-end control of data, have reduced installation cost, have improved the reliability and the dirigibility of system.
Technical scheme of the present invention is as follows:
A kind of palm PC with radio communication and data acquisition function, it is characterized in that: described palm PC comprises CPU and data memory module, the Zigbee wireless data transfer module, the powered battery module, display module and external interface module, described Zigbee wireless communication data transport module and CPU and data memory module are realized two-way communication, the Zigbee wireless data transfer module directly stores the digital signal that receives in the data memory module by serial data interface, and CPU and data memory module send to data and order the Zigbee receiving equipment of far-end by Zigbee wireless communication data module; Described powered battery module is respectively described CPU and data memory module, Zigbee wireless data transfer module and display module power supply; Comprise USB interface, CF card, sensor interface and Ethernet interface in the described external interface module, external data is carried out bi-directional by USB interface, CF card and Ethernet interface with CPU and data-storing module, and sensor interface becomes digital signal outwards to send or pass to CPU and data-storing module by Zigbee wireless communication data module converts the simulating signal of outside.
In the technique scheme, described Zigbee wireless data transfer module adopts the CC2530 chip; CPU adopts the ARM2440 chip.Described powered battery module is made up of lithium battery and charging circuit.
Beneficial effect of the present invention is: the palm PC with radio communication and data acquisition function, need not external cable and can realize safe and reliable data transmission, it promptly can receive the data that the distant place terminal is sent, also direct image data and send to the receiving equipment of far-end, can also implement wireless remote control to the equipment of far-end, and the palm PC volume with data acquisition and radio communication function is little, is easy to carry about with one, and has increased the dirigibility and the mobility of field control.The powered battery module of palm PC adopts lithium battery power supply, and is provided with charging circuit, can utilize USB interface to lithium battery power supply, need not external charger and changes battery.The software systems of palm PC adopt linux operating system and QT 4.2 graphical interfaces softwares, have the function of real-time demonstration image data and reception data.
Description of drawings
Fig. 1 is the hardware elementary diagram with palm PC of radio communication and data acquisition function provided by the invention.
Fig. 2 is the battery charger figure with palm PC of radio communication and data acquisition function provided by the invention.
Fig. 3 is the software system structure block diagram with palm PC of radio communication and data acquisition function provided by the invention.
Fig. 4 is the software flow block diagram with palm PC of radio communication and data acquisition function provided by the invention.
Embodiment
Below in conjunction with accompanying drawing principle of the invention structure is described further.
A kind of palm PC with data acquisition and radio communication function provided by the invention comprises two parts of hardware and software.Hardware components schematic diagram such as Fig. 1.Hardware components comprises Zigbee wireless data transfer module, CPU and data memory module, powered battery module, display module and external interface module.The Zigbee wireless data transfer module adopts the CC2530 chip, communication frequency is 2.4GHz, support the Zigbee home control network communication protocol, the Zigbee wireless data transfer module is transferred to CPU with the digital signal that receives by serial data port and stores in the storage unit, the CC2530 chip A/D sampling channel that to have 8 precision be 12bit simultaneously, the voltage signal that can directly sensor interface be transmitted convert digital signal to and then are sent to CPU or send to the Zigbee receiving equipment of far-end.CPU and data memory module adopt the ARM2440 chip, and ARM2440 has highly integrated and advantage such as configurability is strong: main integrated high-precision power voltage stabilizing chip, Ethernet card chip and erasable internal memory on the plate.CPU and data memory module send to data and order the Zigbee wireless data transfer module of far-end by Zigbee wireless communication data module.Display module adopts the touch LCD screen, and has the display screen switch, thereby can close the purpose that liquid crystal display reaches saves energy when not needing video data; The powered battery module adopts lithium battery power supply, and is provided with charging circuit, can utilize USB interface to lithium battery power supply, need not to change battery and external charger.External interface comprises USB interface, CF card, sensor interface and Ethernet interface.The USB mouth is used for realizing palm PC and outside exchanges data; The CF card is used for realizing the memory expansion of palm PC; Can realize data transmission between WPAN (wireless personal local area network) and the Internet by Ethernet interface; Can directly realize the data acquisition of sensor by sensor interface.
Palm PC with radio communication and data acquisition function adopts lithium cell charging, for working time of prolonging handheld terminal and increase its dirigibility, the present invention has designed battery charger especially, Fig. 2 is a battery charger, this palm PC can directly link to each other with other computer by the USB mouth, is battery charge.The battery charge chip adopts MAX1555, and DC is the input of 5V power supply, represents the input voltage of USB, adds 1uF electric capacity at power input and carries out filtering, simultaneously, also carries out capacitor filtering at power output end.D102 is whether the DC DC voltage detects lamp normally, and D103 is the identification light whether charging chip is charging.
Fig. 3 is a software system structure block diagram of the present invention, and software design mainly comprises following components: the driver of QT human-computer interaction interface, touch-screen, serial port drive program, Zigbee protocol stack (Zigbee stack), core cpu program (Linux2.6Kernel) and documentor (Linux ext2).Deliver to core CPU (ARM2440) by the data that the Zigbee wireless communication module receives by Zigbee protocol stack (Zigbee stack) and UART serial port drive program, core cpu program (Linux2.6Kernel) can show data according to the QT human-computer interaction interface then, also can Linux ext2 file system be stored by data, can also utilize Ethernet interface that data are carried out the transmission of remote strange land by Internet.
Fig. 4 is the main process flow diagram of software of the present invention.At first to carry out hardware initialization, and then demonstration QT graphic interface, carry out the initialization of serial ports poll subsequently, in the serial ports data are arranged if find in the poll, then reading of data is upgraded the QT interface then, start the QT event driven program simultaneously at poll,, then write commands to serial ports if detect the order that sends serial communication.
Claims (3)
1. palm PC with radio communication and data acquisition function, it is characterized in that: described palm PC comprises CPU and data memory module, the Zigbee wireless data transfer module, the powered battery module, display module and external interface module, described Zigbee wireless communication data transport module and CPU and data memory module are realized two-way communication, the Zigbee wireless data transfer module directly stores the digital signal that receives in the data memory module by serial data interface, and CPU and data memory module send to data and order the Zigbee receiving equipment of far-end by Zigbee wireless communication data module; Described powered battery module is respectively described CPU and data memory module, Zigbee wireless data transfer module and display module power supply; Comprise USB interface, CF card, sensor interface and Ethernet interface in the described external interface module, external data is carried out bi-directional by USB interface, CF card and Ethernet interface with CPU and data-storing module, and sensor interface becomes digital signal outwards to send or pass to CPU and data-storing module by Zigbee wireless communication data module converts the simulating signal of outside.
2. according to the described palm PC with radio communication and data acquisition function of claim 1, it is characterized in that: described Zigbee wireless data transfer module adopts the CC2530 chip; CPU adopts the ARM2440 chip.
3. according to the described palm PC with radio communication and data acquisition function of claim 1, it is characterized in that: described powered battery module is made up of lithium battery and charging circuit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010136020A CN101840248A (en) | 2010-03-26 | 2010-03-26 | Palm computer with wireless communication and data acquisition functions |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010136020A CN101840248A (en) | 2010-03-26 | 2010-03-26 | Palm computer with wireless communication and data acquisition functions |
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| CN101840248A true CN101840248A (en) | 2010-09-22 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106878461A (en) * | 2017-03-28 | 2017-06-20 | 上海艾络格电子技术有限公司 | A kind of industrial Internet of Things on-site wireless instrument |
| CN109493580A (en) * | 2017-09-11 | 2019-03-19 | 奥维飞越通信有限公司 | One kind being based on WIA-PA Multifunctional hand-held machine control system |
| CN114721338A (en) * | 2022-03-21 | 2022-07-08 | 西安拽亘弗莱工业自动化科技有限公司 | Data acquisition equipment of thing networking based on embedded system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101420772A (en) * | 2008-11-20 | 2009-04-29 | 中山大学 | A kind of intelligent energy supply type photoelectric integrated wireless sensor |
| CN201348816Y (en) * | 2009-01-21 | 2009-11-18 | 福建火迪建筑消防工程技术服务有限公司 | Wireless independent fire alarm device |
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2010
- 2010-03-26 CN CN201010136020A patent/CN101840248A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101420772A (en) * | 2008-11-20 | 2009-04-29 | 中山大学 | A kind of intelligent energy supply type photoelectric integrated wireless sensor |
| CN201348816Y (en) * | 2009-01-21 | 2009-11-18 | 福建火迪建筑消防工程技术服务有限公司 | Wireless independent fire alarm device |
Non-Patent Citations (1)
| Title |
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| 《佛山科学技术学院学报》 20090731 申冬玲 基于Zigbee的无线通信模块与串行存储器接口方法的研究 第1页 1-3 第27卷, 第4期 2 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106878461A (en) * | 2017-03-28 | 2017-06-20 | 上海艾络格电子技术有限公司 | A kind of industrial Internet of Things on-site wireless instrument |
| CN109493580A (en) * | 2017-09-11 | 2019-03-19 | 奥维飞越通信有限公司 | One kind being based on WIA-PA Multifunctional hand-held machine control system |
| CN109493580B (en) * | 2017-09-11 | 2024-05-24 | 中泓慧联技术有限公司 | Control system of multifunctional handset based on WIA-PA |
| CN114721338A (en) * | 2022-03-21 | 2022-07-08 | 西安拽亘弗莱工业自动化科技有限公司 | Data acquisition equipment of thing networking based on embedded system |
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Application publication date: 20100922 |