CN202495038U

CN202495038U - ZigBee product development device

Info

Publication number: CN202495038U
Application number: CN2011205026372U
Authority: CN
Inventors: 贾子彦; 陶卫戈
Original assignee: Jiangsu University of Technology
Current assignee: Jiangsu University of Technology
Priority date: 2011-12-06
Filing date: 2011-12-06
Publication date: 2012-10-17
Anticipated expiration: 2021-12-06

Abstract

The utility model relates to a ZigBee product development device based on an AT-MR500 module comprising an AT-MR500 module with an embedded ZigBee protocol stack, a USB/UART unit connected to the AT-MR500 module, a sensing circuit, an LED, a button circuit, an LCD, and an expansion port. The device can be used for the development, the debugging, and the assessment of the ZigBee wireless network products, and the device is aimed at the development of the AT-MR500 module having a relatively higher cost performance, the ZigBee products can be widely used in the instrument, the wireless radio frequency identification, the low power consumption remote sensing and telemetry, the medical electronic electron apparatus, the toy, the intelligent household, and the remote intelligent control fields. The device has a broad market prospect.

Description

A kind of ZigBee product development device

Technical field

The utility model relates to a kind of ZigBee product development device based on ZigBee SOC(system on a chip) module, particularly a kind of ZigBee product development device with AT-MR500 SOC(system on a chip) module and sensor and Chinese liquid crystal.

Background technology

ZigBee wireless sense network WSN is one of main support technology of construction networking, and ZigBee chip or module are the main devices that makes up ZigBee WSN.ZigBee chip solution mainly contains three kinds at present: the twin-core sheet scheme that a kind of RF of being transceiver separates with MCU, operation ZigBee protocol stack on MCU; Another kind is the twin-core sheet scheme of ZigBee coprocessor and MCU, operation ZigBee protocol stack on the ZigBee coprocessor; The third is the single chip solution of integrated RF transceiver and MCU.The dirigibility of twin-core sheet scheme is high, but that the single-chip solution takies resource is few, and exploitation easily, and single chip solution is the scheme of promoting mainly of leading firm, also is the development trend of ZigBee chip solution.

For ZigBee chip or module, the existing market price also is in higher situation.And AAC (auspicious several subject skill company limited) is just becoming fresh combatants of ZigBee module provider; The AT-MR500 series Zigbee module of producing by AAC design have other ZigBee chip or module incomparable cost performance, make ZigBee node implemented with low cost become a reality.In ZigBee WSN practical applications, for principle, characteristic and the practical applications development approach that can grasp the AT-MR500 module as early as possible, accelerate the product development process, to the ZigBee product development device of this module equipment that is absolutely necessary.

The utility model content

The utility model technical matters to be solved provides the ZigBee product development device based on the AT-MR500 module of a kind of IEEE802.15.4 of meeting standard and ZigBee standard.

For solving the problems of the technologies described above; The ZigBee product development device based on the AT-MR500 module of the utility model comprises: be used to realize the AT-MR500 module of the exploitation of ZigBee radio network product, debugging and assessment, USB/UART unit, the sensing circuit that links to each other with the AT-MR500 module, the LED that is used for indicating operating status, key circuit, LCD and expansion mouth.

Said AT-MR500 module comprises: AAC AT-MR series module, the peripheral circuit that constitutes minimum system necessity and the interface that links to each other with main development board.

The radio transmitting and receiving chip that described AT-MR500 module main devices is embedded microprocessor, meet the ZigBee/802.15.4 standard is (like MG2450; MG2455 etc.), comprise baseband modulation radio-frequency receiving-transmitting, hardware MAC, embedded 8051 microcontrollers, application program flash storer, 4 road A/D input and a large amount of peripherals.The AT-MR500 module is used to set up ZigBee wireless network or the ZigBee wireless network set up of adding automatically, carries out wireless telecommunications, binding with other AT-MR500 module, carries out ZigBee product development or assessment.

Said USB/UART unit comprises: be used for USB interface, the UART interface that links to each other with the AT-MR500 module that links to each other with computing machine, the USB/UART conversion chip that is used to realize the conversion of signals between USB interface and the UART interface.

Said sensing circuit comprises: be used for the temperature and humidity collection Temperature Humidity Sensor, be used for the illuminance collection illuminance sensor, be used for the duplex potentiometer of voltage acquisition and be used for the dial-up scrambler that orthogonal intersection code signal is gathered.

Described LCD is the 128*64 Liquid Crystal Module of band Chinese word library.

Described power supply comprises: outside+5V power supply, USB supply power, three kinds of modes of powered battery are optional.

Described other auxiliary circuit comprises: the exterior storage circuit that links to each other with said AT-MR500 module, ethernet interface module interface circuit, digital DIP change-over switch.

Compared with prior art; The ZigBee product development device based on the AT-MR500 module of the utility model has the following advantages: (1) the utility model has more peripheral components; Can directly use as sensing node; ZigBee module all of the port all can be external, and the user can carry out the external unit expansion very neatly, and is portable strong.(2) the utility model not only can be used for the ZigBee research and development of products of scientific research institutions, also can be used as the ZigBee WSN of colleges and universities experiment teaching instrument.(3) the utility model is primarily aimed at the higher AAC AT-MR series module of cost performance and carries out product development in strict accordance with the ZigBee/802.15.4 standard, has vast market prospect.(4) the utlity model has good extensibility, fields such as the ZigBee product of exploitation can be widely used in instrument detection automatically, factory automation and electrical control, it is wired to substitute, voice application, energy control, radio frequency identification, low-power consumption remote sensing remote measurement, medical electronics apparatus, computer peripheral equipment, toy, Smart Home and remote intelligent control.

Description of drawings

Fig. 1 is the structured flowchart of the utility model;

Fig. 2 is the USB/UART cellular construction block diagram of the utility model;

Fig. 3 is the power circuit principle figure of the utility model.

Embodiment

1-3 is described further the utility model below in conjunction with accompanying drawing.

Like Fig. 1; The ZigBee product development device based on the AT-MR500 module of present embodiment comprises: the AT-MR500 module 1 of embedded ZigBee protocol stack is as the Master Control Center of development board; Be used to set up ZigBee wireless network or the ZigBee wireless network set up of adding automatically; Carry out wireless telecommunications, binding with other AT-MR500 module, carry out the exploitation of ZigBee radio network product, debugging and assessment; USB/UART unit 2 is used for AT-MR500 module 1 and computerized information transmission; Sensing circuit 3 is used for the collection of temperature, humidity, illuminance, voltage and orthogonal intersection code signal; LED4 is used to indicate power supply and ZigBee module 1 duty or incident execution result; Key circuit 5 is used for system reset, in-system programming download, external interrupt and button input control; Band Chinese word library LCD module 6 is used for display system running status or user-specific information; Outer enlarging 7 is used for external other circuit arrangement; Power supply comprises outside+5V, USB, three kinds of power supply modes of battery; Other auxiliary circuit comprises exterior storage circuit, ethernet interface module interface circuit, digital DIP change-over switch etc.

USB/UART conversion chip 10 is used to realize

computer usb

11 and 13 conversions of AT-MR500 module UART interface, and the peripheral circuit 12 of USB/UART chip 10 provides necessary condition for its work.USB/UART chip 10 optional models are chips such as PL2303, CP2101.The UART0 of AT-MR500 module 1 and UART1 adopt same structure, and UART0 is used for the program download and communicates by letter with other CPU generally speaking, and UART1 is mainly used in other CPU and communicates by letter.

Sensing circuit comprises the Temperature Humidity Sensor that is used for temperature and humidity and gathers (like SHT10 etc.), be used for the illuminance sensor that illuminance gathers (like TSL2550D etc.), be used for voltage acquisition duplex potentiometer (like A10K etc.), be used for dial-up scrambler that orthogonal intersection code signal gathers (like ALPS dial scrambler etc.) and necessary sensor peripheral circuit.

Like Fig. 3, U1 is the DC-DC chip, like AMS1117-3.3 etc.; F1 is a fuse, and BT1 is a battery interface, J1 is external+and the 5V power supply; SW5 is outside+5V power supply/USB power supply powering mode SS, and SW6 is battery/non-battery powered mode SS, and SW7 is an AT-MR500 modular power source switch.

The foregoing description of the utility model be merely that explanation the utility model does for example, and the utility model embodiment is not limited thereto.Be the equivalence replacement for the modification of being done under spirit that belongs to the utility model and the principle, combination, simplification, substitute etc., all still be included within the protection domain of the utility model.

Claims

1. ZigBee product development device; It is characterized in that comprising: be used to realize the AT-MR500 module (1) of the exploitation of ZigBee radio network product, debugging and assessment, the USB/UART unit (2) that links to each other with AT-MR500 module (1), sensing circuit (3), the LED (4) that is used for indicating operating status, key circuit (5), LCD (6) and expansion mouthful (7).

2. ZigBee product development device according to claim 1 is characterized in that: said USB/UART unit (2) comprising: the USB/UART conversion chip (10) that is used for the USB interface (12) that links to each other with computing machine, the UART interface (13) that links to each other with said AT-MR500 module and is used to realize the conversion of signals between USB interface and (12) UART interface (13).

3. ZigBee product development device according to claim 1 is characterized in that: said sensing circuit (3) comprising: be used for Temperature Humidity Sensor (14) that temperature and humidity gathers, be used for illuminance sensor (15) that illuminance gathers, be used for the duplex potentiometer (16) of voltage acquisition and be used for the dial-up scrambler (17) that orthogonal intersection code signal is gathered.

4. ZigBee product development device according to claim 1 is characterized in that: described AT-MR500 module (1) also is connected with exterior storage circuit, ethernet interface module interface circuit and digital DIP change-over switch.