Zigbee是唯一完整、可互操作的物联网解决方案,涵盖网状网络层到通用语言层,使智能产品能够协同工作。

 

Zigbee stack chinese

为何选择Zigbee 3.0

Zigbee 3.0使用户和开发人员拥有更多选择。全栈的标准化涵盖了来自多家芯片供应商的芯片、Zigbee Pro网络协议栈、和应用层的Zigbee Cluster Library带来产品和服务能够协同工作的信心。Zigbee 3.0全套解决方案包括测试、认证、品牌和营销支持,令互操作产品和解决方案的开发和销售更为轻松,释放增长机会,为居家,工作和旅途赋予无限创新可能。

Zigbee 3.0优势

互操作性

  • 认证程序保证设备和设备之间的互操作
  • 多个供应商组成的生态圈都使用同一种应用层通用语言
    • 采用以往应用层标准的设备可以加入Zigbee 3.0网络
    • Zigbee 3.0设备也可以加入采用以往应用层标准的网络

不同行业,同一方案

  • 家居、建筑、工业、零售、健康等等
  • 不同领域的开发人员和用户,同样的选择,解决市场碎片化难题
  • 同一个应用层可以满足完整部署方案的要求

便捷易用

  • 所有需要的文件都集中在一处
  • 每件认证产品和包装上都使用同一认证标志

稳定可靠

  • 经过验证的网状网络,消除单个节点故障的影响,可扩展为大规模的网络
  • 具备自我修复能力和可扩展性,能够支持成百个设备组成的网络

全球通用

  • 使用2.4 GHz频段,确保产品可免频段使用许可费在全球部署

实践验证

  • 已认证产品达到 2,500 款,已部署产品达到3亿件

绿色环保

  • 特别为能量捕获设备和超低功耗设备量身打造的网络
  • Zigbee路由器都具备Green Power 代理功能,为能量捕获设备提供网状网络支持

未来保障

  • 由在物联网行业深耕多年的400多家成员公司开发并推向市场
  • 持续创新 – 在我们的生态圈中既有行业大鳄,老牌企业,也有初创公司,新生力量

完整测试

  • 综合测试和认证程序涵盖协议栈各个层面:MAC/PHY,网络栈协议和应用层

 

设备类型举例

Lighting

照明类

On/Off light switch
On/Off 照明开关
Dimmable plug-in unit
调光插件单元
Dimmable light
调光灯
Dimmer switch
调光开关
Color temperature light
色温灯
Extended color light
扩展可变色灯
Color controller
色彩控制器
Color scene controller
色彩场景控制
Non-color controller
无色彩控制器
Non-color scene controller
无色彩场景控制
Scene selector
场景选择器
Light level sensor
照度传感器

HVAC

暖通类

Heating/cooling unit
加热/制冷单元
Humidity sensor
湿度传感器
Thermostat
温控器
Temperature sensor
温度传感器

Security

安防类

Access Control (fobs)
访问控制
Occupancy sensor
占位传感器
Door lock
门锁
Door lock controller
门锁控制器
Fobs

Intruder Alarm System

侵入警报系统

IAS control & indicating equipment
IAS控制和指示设备
IAS ancillary control equipment
IAS辅助控制设备
IAS zone
IAS 区域
IAS warning device
IAS警告设备

Closure Devices

闭合装置

Shade controller
幕帘控制器
Window covering devices
窗幕设备

Generic Devices

通用设备

Configuration tool
调试工具
Remote control
遥控器
Combined interface
整合界面
Range extender
范围扩展器
Mains power outlet
总线插座
Control bridge
控制网桥
Level control switch
调级开关
On/off switch
On/off开关
On/off sensor
On/off传感器
On/off output
On/off输出

Green Power Devices

Green Power设备

Proxy Basic
Combo Basic
Green Power (Energy Harvesting) Device
Green Power (能量捕获)设备

见问题及解答

什么是Zigbee范?

Zigbee技术规范能创建完整的网状网络,在单一网络中支持数百个设备。现有的Zigbee Pro 2017是Zigbee PRO规范的最新版本,吸取了已经部署在全球的数以千万计的设备的各种经验。Zigbee PRO已经成为物联网应用中低功耗网络的主要选择,易于使用,并且能够支持由数千种设备组成的大型网络。

Zigbee范所基于的IEEE 802.15.4有哪些技特点?

Zigbee充分利用了强大的IEEE 802.15.4物理无线电标准,可以在多个免授权频段上运行,包括2.4GHz(全球),915Mhz(美洲)和868Mhz(欧洲),相应可实现的原始数据传输速率分别为:2.4GHz(16信道)250Kbs, 915-921Mhz(27信道)10kbs,和868Mhz(63信道)100kbs。根据功率输出和环境特性的,传输距离的范围为10到100米,而 Sub GHz信道的传输距离可达1公里。

Zigbee如何克服2.4GHz段可能存在的干

Zigbee产品可以在2.4GHz频段使用16个独立的带宽为5MHz的信道,其中有些信道与美国和欧洲版本的Wi-Fi并不重叠。Zigbee采用了IEEE 802.15.4定义的CSMA-CA协议,可降低干扰其他用户的可能性,另外Zigbee还使用数据的自动重传来确保网络的稳健性。由于Zigbee产品的占空比通常非常低,因此传输的分组数据单元相对较少,从而降低了传输失败的可能性。按照监管要求,Zigbee已经减轻了对sub GHz的干扰。 Zigbee也包含功率测量功能以减少功率输入,从而用所需的精确功耗实现通信。在由多个节点组成的网状网格中,这样做能够减少节点之间的干扰。无线电活动也经过限制以符合监管要求。

Zigbee如何解决无线可靠性问题

Zigbee专为主流商业应用中常见的恶劣RF环境而设计。利用802.15.4无线协议的直序扩频技术(DSSS),包括冲突避免、接收能量检测、链路质量指示、空闲信道评估、消息确认、安全性、支持保障时隙模式和数据包时效性等功能; Zigbee网络为产品制造商提供高度可靠的无线通信解决方案。

Zigbee可以支持多少个点或设备

Zigbee的寻址方案在每个网络上能够支持数百个节点,并且通过多个网络协调器可以将多个网络连接在一起以支持庞大的网络。 Zigbee网络的逻辑大小最终取决于选择哪个频段,网络上每个设备需要多长时间进行通信,以及应用程序可以容忍多少数据丢失或重传。

 

技术规范一览

解决方案 概要
网络协议 Zigbee PRO 2015 (或更高版本)
网络拓扑结构 自组网,自修复的网状网络
网络设备类型 协调器(具备路由功能),路由器,终端设备
网络规模 (节点数量) 多至 65,000
物理层无线技术 IEEE 802.15.4-2011
频段 / 信道 2.4 GHz (ISM 频段)

16个信道 (2 MHz 带宽)

数据传输速率 250 Kbits/秒
安全模式 集中式(支持Install Codes)

分布式

加密方式 网络层:AES-128 加密

应用层:也可以使用AES-128 加密

传输距离(平均) 300米以上 (视距离)

75-100米 (室内)

低功耗支持 休眠终端设备

Zigbee Green Power 设备 (能量捕获设备)

对以往profile的支持 Zigbee 3.0 设备能够加入以往Zigbee profile的网络

原有设备也可加入Zigbee 3.0 的网络 (需基于相应网络安全政策)

可支持逻辑设备数量 每个物理设备可支持240 end-points (逻辑设备)

白皮书

 
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Zigbee PRO Resources

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Zigbee联盟是物联网的基础和未来。联盟成立于2002年,我们广泛的全球成员携手合作,为变革我们生活、工作和娱乐方式的产品创建和进化通用开放标准。凭借联盟成员深厚而多样化的专业知识,可靠的认证程序,以及全面的开放式物联网解决方案,我们正引领全球迈向更直观、更富有想像力、更实用的世界。