CN205453681U - Thing networking zigbee radio frequency module - Google Patents

Thing networking zigbee radio frequency module Download PDF

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Publication number
CN205453681U
CN205453681U CN201620168767.XU CN201620168767U CN205453681U CN 205453681 U CN205453681 U CN 205453681U CN 201620168767 U CN201620168767 U CN 201620168767U CN 205453681 U CN205453681 U CN 205453681U
Authority
CN
China
Prior art keywords
zigbee
radio
frequency module
oscillating circuit
internet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201620168767.XU
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Chinese (zh)
Inventor
何叶龙
胡志敏
马延文
阮赐朋
顾蒙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vane Technology Co ltd
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Vane Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vane Technology Co ltd filed Critical Vane Technology Co ltd
Priority to CN201620168767.XU priority Critical patent/CN205453681U/en
Application granted granted Critical
Publication of CN205453681U publication Critical patent/CN205453681U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a thing networking zigbee radio frequency module, it includes zigBee main control chip, the signal power amplifier, a crystal oscillator circuit, the 2nd crystal oscillator circuit, the SPI interface, external flash unit and radio -frequency antenna, a zigBee main control chip and a crystal oscillator circuit, the 2nd crystal oscillator circuit, the SPI interface, the equal both way junction of signal power amplifier, signal power amplifier and radio -frequency antenna both way junction, external flash unit passes through SPI interface and zigBee main control chip both way junction, the chip that zigBee main control chip adopted the model to be CC2530 realizes that the chip that the signal power amplifier adopted the model to be CC2591 is realized.

Description

Internet of Things Zigbee radio-frequency module
Technical field
This utility model relates to radio transmitting device, is specifically related to a kind of Zigbee radio-frequency module based on Internet of Things.
Background technology
Zigbee is the new technique disposing wireless sensor network.It is a kind of short distance, low rate radio network technique, is a kind of technology motion between radio mark technology and BlueTooth.Zigbee protocol is the wireless communication standard formulated by ZigBee alliance, and this alliance is found in August calendar year 2001.The second half of 2002, Invensys company of Britain, Mitsubishi electric corporation, Motorola Inc. of the U.S. and Philips Semiconductor Co., Ltd. of Holland announce to add ZigBee alliance jointly, researching and developing the next generation wireless communication standard of entitled " ZigBee ", this event becomes the milestone in this technology evolution.Existing director company of ZigBee alliance includes BMGroup, Ember company, TM, Honeywell, Mitsubishi Electric, Motorola, Philip, Samsung, Siemens, and Texas Instrument.The purpose of ZigBee alliance is to realize monitoring and control product simple and reliable, cheap, low in energy consumption, wireless connections and cooperate in the unified standard of the whole world, and has issued first official standard in December, 2004.
Along with the fast development of Smart Home Internet of Things industry, in view of features such as the low cost of ZigBee, low complex degree, low-power consumption, MANETs, ZigBee technology is widely used in this field.ZigBee module comes in every shape the most on the market: package size is different;Transmission range distance is different;Antenna form is also or with ceramic antenna, or by PCB antenna, or uses IPEX antenna, or uses bar antenna;Each use respective agreement;Cannot be general, also cannot realize mutually linking.Additionally, existing ZigBee module is because having all kinds of interface circuit, including RS485, USB, external power source, DEBUG interface, sequential control circuit etc., complicated structure and zigbee circuit volume take ratio greatly, cause the volume of whole product to become big and power consumption is higher.
Utility model content
Therefore, for above-mentioned problem, the utility model proposes the Internet of Things Zigbee radio-frequency module of compact structure and low-power consumption, existing Zigbee radio circuit is improved, solve the deficiency of prior art.
In order to solve above-mentioned technical problem, this utility model be employed technical scheme comprise that, Internet of Things Zigbee radio-frequency module, including ZigBee main control chip, signal power amplifier, the first crystal oscillating circuit, the second crystal oscillating circuit, SPI interface, external Flash unit and radio-frequency antenna, ZigBee main control chip and the first crystal oscillating circuit, the second crystal oscillating circuit, SPI interface, signal power amplifier are all bi-directionally connected, signal power amplifier and radio-frequency antenna are bi-directionally connected, and external Flash unit is bi-directionally connected by SPI interface and ZigBee main control chip;The chip that described ZigBee main control chip uses model to be CC2530 realizes, and the chip that signal power amplifier uses model to be CC2591 realizes.
Further, described radio-frequency antenna includes onboard PCB antenna and IPEX antenna.
Further, described first crystal oscillating circuit is 32MHz crystal oscillating circuit, and described second crystal oscillating circuit is 32.768KHz crystal oscillating circuit, respectively provides clock signal when system worked well pattern and park mode.
Further, this Internet of Things Zigbee radio-frequency module uses stamp hole encapsulation, and after encapsulation, size is 33.5mm × 21mm, has 32 pins.
Further, this Internet of Things Zigbee radio-frequency module includes multiple I/O port, 1 tunnel UART interface, 1 road jtag interface, 7 road ADC interface and 1 road PWM interface.
Internet of Things Zigbee radio-frequency module of the present utility model is a ZigBee module using TI conceptual design, meets IEEE802.15.4 agreement.Compared with prior art, have the advantage that
1, the encapsulation of miniaturization QFN stamp hole, compact structure, the various equipment of convenient implantation are used;
2, compatible onboard PCB antenna and external IPEX antenna, it is simple to user selects according to the actual requirements;
3, ZigBee main control chip provides mode of operation and park mode, and uses two crystal oscillating circuits not for providing clock signal when system worked well pattern and park mode, greatly reduces system power dissipation;
4, there is abundant interface (multiple I/O ports, 1 tunnel UART interface, 1 road jtag interface, 7 road ADC interface and 1 road PWM interface);And external SPI interface Flash unit, support remote radio upgrade, be not afraid of midway power-off.
Accompanying drawing explanation
Fig. 1 is the theory diagram of Internet of Things Zigbee radio-frequency module of the present utility model;
Fig. 2 is the encapsulation schematic diagram of Internet of Things Zigbee radio-frequency module of the present utility model;
Fig. 3 is the circuit theory diagrams of Internet of Things Zigbee radio-frequency module of the present utility model.
Detailed description of the invention
In conjunction with the drawings and specific embodiments, this utility model is further illustrated.
See Fig. 1, Internet of Things Zigbee radio-frequency module of the present utility model, including ZigBee main control chip, signal power amplifier, the first crystal oscillating circuit, the second crystal oscillating circuit, SPI interface, external Flash unit and radio-frequency antenna, ZigBee main control chip and the first crystal oscillating circuit, the second crystal oscillating circuit, SPI interface, signal power amplifier are all bi-directionally connected, signal power amplifier and radio-frequency antenna are bi-directionally connected, and external Flash unit is bi-directionally connected by SPI interface and ZigBee main control chip.Radio-frequency antenna includes onboard PCB antenna and IPEX antenna.Further, the first crystal oscillating circuit is 32MHz crystal oscillating circuit, and the second crystal oscillating circuit is 32.768KHz crystal oscillating circuit, respectively provides clock signal when system worked well pattern and park mode.
Seeing Fig. 2, this Internet of Things Zigbee radio-frequency module uses stamp hole encapsulation, and after encapsulation, size is 33.5mm × 21mm, has 32 pins.
As a concrete example, seeing Fig. 3, this Internet of Things Zigbee radio-frequency module is a ZigBee module using TI conceptual design, meets IEEE802.15.4 agreement.ZigBee main control chip: the chip using model to be CC2530F256RHA realizes, and has the RAM of Flash and 8KB on 256KB sheet;VQFN40 encapsulates, can the least by module;Support that 2 ~ 3.6V width scope is powered, minimum dormancy power consumption only 0.4uA, in some small portable apparatus, can power with button cell, and have the super long standby time time.
The chip that signal power amplifier uses model to be CC2591 realizes, maximum programmable output 22dBm.Embedded T/R transducer, net mate, balun, power amplifier, low-noise amplifier.Available few peripheral circuit.
Crystal oscillating circuit is provided with two, provides the crystal oscillation signal of 32MHz and 32.768KHz respectively, and 32MHz is used for main control chip normal mode of operation, and 32.768KHz then provides clock at park mode for system.
External Flash unit: use SPI interface, for module online upgrading, firmware updating is first downloaded in Flash by escalation process, writes Flash on ZigBee main control chip sheet after having downloaded again, it is ensured that equipment will be caused to use because of imprudence power-off in escalation process.
Radio-frequency antenna contains onboard PCB antenna and IPEX antenna, when requiring nearer to transmission range, it is possible to use onboard PCB antenna;When needing relatively long-distance transmissions, skilled antenna maker can be looked for mate external IPEX antenna.
Additionally, this Internet of Things Zigbee radio-frequency module has abundant interface, user-friendly, specifically include multiple I/O port, 1 road UART(UniversalAsynchronousReceiver/Transmitter, Universal Asynchronous Receive send) interface, 1 road JTAG(JointTestActionGroup, joint test working group) interface, 7 road ADC(Analog-to-DigitalConverter, analog digital conversion) interface and 1 road PWM(PulseWidthModulation, pulse width modulation) interface, it is listed as follows:
Module resource Describe
Common I/O port Most 11 tunnels
UART interface 1 tunnel, supports baud rate 115200/ 57600/ 38400/ 19200/ 9600/ 4800/ 2400/ 1800/ 1200/ 600
Jtag interface Software debugging is downloaded, upgrading
ADC interface 7 12, tunnel ADC, reusable is common IO
PWM interface 1 road PWM interface, the highest output 38KHZ, reusable is common IO
Although specifically showing in conjunction with preferred embodiment and describing this utility model; but those skilled in the art should be understood that; in the spirit and scope of the present utility model limited without departing from appended claims; this utility model can be made a variety of changes in the form and details, be protection domain of the present utility model.

Claims (5)

1. Internet of Things Zigbee radio-frequency module, it is characterized in that: include ZigBee main control chip, signal power amplifier, the first crystal oscillating circuit, the second crystal oscillating circuit, SPI interface, external Flash unit and radio-frequency antenna, ZigBee main control chip and the first crystal oscillating circuit, the second crystal oscillating circuit, SPI interface, signal power amplifier are all bi-directionally connected, signal power amplifier and radio-frequency antenna are bi-directionally connected, and external Flash unit is bi-directionally connected by SPI interface and ZigBee main control chip;The chip that described ZigBee main control chip uses model to be CC2530 realizes, and the chip that signal power amplifier uses model to be CC2591 realizes.
Internet of Things Zigbee radio-frequency module the most according to claim 1, it is characterised in that: described radio-frequency antenna includes onboard PCB antenna and IPEX antenna.
Internet of Things Zigbee radio-frequency module the most according to claim 1, it is characterised in that: described first crystal oscillating circuit is 32MHz crystal oscillating circuit, and described second crystal oscillating circuit is 32.768KHz crystal oscillating circuit.
Internet of Things Zigbee radio-frequency module the most according to claim 1, it is characterised in that: this Internet of Things Zigbee radio-frequency module includes multiple I/O port, 1 tunnel UART interface, 1 road jtag interface, 7 road ADC interface and 1 road PWM interface.
5. according to the Internet of Things Zigbee radio-frequency module described in claim 1 or 2 or 3 or 4, it is characterised in that: this Internet of Things Zigbee radio-frequency module uses stamp hole encapsulation, and after encapsulation, size is 33.5mm × 21mm, has 32 pins.
CN201620168767.XU 2016-06-08 2016-06-08 Thing networking zigbee radio frequency module Expired - Fee Related CN205453681U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620168767.XU CN205453681U (en) 2016-06-08 2016-06-08 Thing networking zigbee radio frequency module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620168767.XU CN205453681U (en) 2016-06-08 2016-06-08 Thing networking zigbee radio frequency module

Publications (1)

Publication Number Publication Date
CN205453681U true CN205453681U (en) 2016-08-10

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Application Number Title Priority Date Filing Date
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Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108241397A (en) * 2016-12-27 2018-07-03 华大半导体有限公司 Multiplex circuit compensator circuit of electric leakage and method
CN110262305A (en) * 2019-04-29 2019-09-20 东风商用车有限公司 A kind of ECU crystal oscillator application method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108241397A (en) * 2016-12-27 2018-07-03 华大半导体有限公司 Multiplex circuit compensator circuit of electric leakage and method
CN110262305A (en) * 2019-04-29 2019-09-20 东风商用车有限公司 A kind of ECU crystal oscillator application method

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Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160810

Termination date: 20190608

CF01 Termination of patent right due to non-payment of annual fee