ZigBee technology and intelligent home renovation

In 2002, Invensys in the UK, Mitsubishi in Japan, Motorola in the United States, and Philips in the Netherlands jointly initiated the ZigBee Alliance to establish a low-cost, low-power, low-data-rate, short-range wireless network. technical standard.

In simple terms, ZigBee is a reliable wireless network, similar to CDMA and GSM networks. ZigBee's modules are similar to mobile network base stations. The communication distance is from standard 75m to several hundred meters, several kilometers, and supports unlimited expansion.

For example, when a group of parachutists airborne, each person holds a ZigBee network module terminal and lands on the ground. As soon as they ask each other within the communication range of the network module and automatically find each other, they can quickly form an interconnection. Interworking ZigBee network. Moreover, due to the movement of people, the communication between them will also change, so the module can also re-find the communication object, determine the contact between each other, and refresh the original network. This is self-organizing.

The intelligent management of homes still has certain requirements on the control methods and methods. Wireless data transmission is required, and it requires low energy consumption, low failure rate, and the ability to add or remove devices at any time. This gives ZigBee a great deal. Expansion capacity.

The characteristics of ZigBee applied to the field of smart home can be described as a success.

ZigBee is not used to compete with Bluetooth or other existing standards. Its goal is to target specific markets where existing systems cannot meet their needs, so it has broad application prospects. The ZigBee Alliance predicts that in the next four to five years, each household will have 50 ZigBee devices, and each household will eventually reach 150.

The main application areas of ZigBee are as follows:

1) Home and building networks. Temperature control of air conditioning system, automatic control of lighting, automatic control of curtains, metering control of gas, remote control of household appliances, etc.;

2) Industrial control. Various monitor, sensor automation control:

3) Business. Smart labels, etc.:

4) Public places. Smoke detectors, etc.

5) Agricultural control. Collect all kinds of soil information and climate information;

6) Medical care. Emergency callers and medical sensors for the elderly and those with reduced mobility.

ZigBee, also known as the Zigbee protocol, derives its name from the bee's dance. Because the bees (bees) rely on flying and “zigs” to “dance” the wings to communicate with their peers the pollen's position information. Bees rely on this way to form a communication network in the group. The number of honeybees in bee colonies is large, and the amount of food required is not large, which is in good agreement with the original design of this network. Therefore, it is named “ZigBee”.