CN204462805U - Based on the all-weather intelligent house system of ZigBee technology - Google Patents

Abstract

The utility model relates to an all-weather smart home system based on ZigBee technology. The system includes ZigBee module, ARM PC terminal, GPRS module, Ethernet module, remote PC and mobile client. Ethernet module; GPRS module connected to mobile client; Ethernet module connected to remote PC. Utilize the high integration, embedded, multi-interface, and high compatibility characteristics of ARM PC to realize the overall control of the system; use ZigBee technology to realize system node communication to achieve low power consumption and high speed; use mature GPRS and Ethernet modules The purpose of remote communication control and Internet communication control is realized.

Description

All-weather smart home system based on ZigBee technology

technical field

The utility model relates to a smart home system, in particular to an all-weather smart home system based on ZigBee technology.

Background technique

The existing smart home system has the following defects: 1. The power consumption of the control is large; 2. The all-weather function of the control, monitoring, management and communication between various household devices cannot be realized; 3. There are inconsistencies in the remote control. With the continuous improvement of people's living standards and the rapid development of science and technology, it is imperative to develop an all-weather smart home system.

Contents of the invention

In order to solve the above existing problems and defects in the prior art, the utility model provides an all-weather smart home system based on ZigBee technology. This system uses ARM PC terminal, ZigBee technology, lithium battery charging and other principles to achieve low power consumption, convenient communication, and all-weather integration of smart home control and management, and realizes human-computer interaction control, intelligent management, remote monitoring, and Ethernet in the smart home system. Control and management functions.

The technical scheme adopted by the utility model is: an all-weather smart home system based on ZigBee technology, characterized in that the system includes a ZigBee module, an ARM PC terminal, a GPRS module, an Ethernet module, a remote PC and a mobile phone client, and an ARM The PC end is connected to the TV, air conditioner, lighting and security monitoring device through the ZigBee module; at the same time, the ARM PC end is connected to the GPRS module through the RS232 interface; the Ethernet module is connected through the IEEE802.3 protocol and the ISA interface; the GPRS module is connected to the mobile client; The network module is connected to a remote PC.

The ARM PC end described in the utility model includes an ARM chip, a power supply circuit, a reset circuit, an LED circuit, a keyboard circuit, a ZigBee interface, an I/O interface, a clock circuit, a JTAG debugging interface, a GPRS interface, an Ethernet interface, a FLASH memory and SDRAM memory, power supply circuit, reset circuit, LED circuit, keyboard circuit, ZigBee interface, I/O interface, clock circuit, JTAG debugging interface, GPRS interface, Ethernet interface, FLASH memory and SDRAM memory are respectively connected with ARM chip.

The beneficial effects produced by the utility model are: the overall control of the system is realized by using the characteristics of high integration, embedded, multi-interface and high compatibility of the ARM PC end; Purpose: Realize the purpose of remote communication control and Internet communication control by using mature GPRS and Ethernet modules.

This system is applied to the monitoring, management and communication of various household devices in the home environment, realizing the ideal management mode of all-weather smart home, and achieving the purpose of human-computer interaction and remote monitoring.

Description of drawings

Figure 1 is a schematic block diagram of an all-weather smart home system based on ZigBee technology;

Figure 2 is a schematic block diagram of the ARM PC terminal in Figure 1;

Figure 3 is a schematic diagram of the Zigbee module node power supply mode;

Fig. 4 is a schematic block diagram of the ZigBee module protocol;

Figure 5 is a flowchart of the work of each node of the ZigBee module.

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings:

Referring to Figure 1, an all-weather smart home system based on ZigBee technology includes a ZigBee module, an ARM PC terminal, a GPRS module, an Ethernet module, a remote PC, and a mobile phone client. The ARM PC terminal is connected to a TV, air conditioner, Lighting and security monitoring device; at the same time, the ARM PC is connected to the GPRS module through the RS232 interface; the Ethernet module is connected through the IEEE802.3 protocol and ISA interface; the GPRS module is connected to the mobile client; the Ethernet module is connected to the remote PC.

Referring to Figure 2, the ARM PC side of this system includes ARM chip, power supply circuit, reset circuit, LED circuit, keyboard circuit, ZigBee interface, I/O interface, clock circuit, JTAG debugging interface, GPRS interface, Ethernet interface, FLASH memory And SDRAM memory, power supply circuit, reset circuit, LED circuit, keyboard circuit, ZigBee interface, I/O interface, clock circuit, JTAG debugging interface, GPRS interface, Ethernet interface, FLASH memory and SDRAM memory are connected with ARM chip respectively.

ARM PC adopts advanced ARM processor, integrates basic SDRAM, Nand Flash, touch screen, buzzer, Ethernet card, USB, GPIO and other hardware resources, and integrates many commonly used on-chip functions (such as external memory controller, LCD control device, UART, SPI channel, etc.). The ARM PC terminal is mainly used for the control of the overall system, to communicate with other circuits, to process the feedback data of each electrical node, etc.

Referring to Figure 3, the power supply circuit of this system includes a selection switch, an AC/DC conversion chip and a lithium battery. Lithium battery, the lithium battery is connected to the ZigBee module. Each Zigbee node is installed on each household appliance, the node is powered by a lithium battery, and the household appliance charges the lithium battery through the mains.

Referring to Figure 4, each node of the ZigBee module communicates through the 2.4GHz wireless frequency band. The overall framework of the Zigbee protocol includes a physical layer, a MAC layer, a network layer, an application support layer and an application layer. Each household appliance is equipped with a Zigbee communication node. The node is powered by a lithium battery, and the battery is charged when the household appliance is powered on.

Referring to Figure 5, each node communicates with the PC through the Zigbee communication mode, and the work flow of each node of the Zigbee module is as follows:

(1). Initialize the Zigbee module; including the Zigbee protocol stack, assign node numbers, initialize routing tables, etc.;

(2). Initialize A/D and I/O interfaces;

(3). The Zigbee module enters the dormant state, waits for the control node to issue an instruction, and judges the received instruction data. If it is an instruction from the node, it will be executed; if it is not an instruction from the node, the node will continue to sleep;

(4). Execute the command according to the instruction.

This system is mainly controlled and managed by household equipment, including: lighting, TV, air conditioner, security monitoring system, etc., and is composed of client computer, embedded Web server and household equipment equipped with wireless ZigBee modules. The system enables users to control, monitor, and manage home devices through embedded PC terminals and mobile clients. The PC end can also be connected to Ethernet, and users can control the home devices in the system through the remote PC end through Ethernet. Control, monitor and manage. The overall control of the system is realized through the ARM PC terminal, and the near-end and remote control of the system are realized through the human-computer interaction interface, mobile Internet, and Internet network.

The working principle of the utility model: the central node of the system is an embedded PC terminal, and the rest of the household equipment realizes communication with the central node through the ZigBee module installed on the equipment. Household appliances need to be connected to 220V city power all day long. When the household appliances are turned on, the selection switch supplies power to the household appliances and cuts off the power supply to the Zigbee module, which is powered by a lithium battery; when the household appliances are powered off, the selection switch is connected to the AC /DC chip, the lithium battery is charged by the direct current converted by the chip. When the Zigbee module receives the signal command to turn on the household appliance, it restarts the 220V power supply to the household appliance. Make sure the system is running 24/7.

Claims (3)

1. the all-weather intelligent house system based on ZigBee technology, it is characterized in that, this system comprises ZigBee module, ARM PC end, GPRS module, ethernet module, long-range PC and cell-phone customer terminal, and ARM PC end connects televisor, air-conditioning, illumination and security monitoring device respectively by ZigBee module; ARM PC end connects GPRS module by RS232 interface simultaneously; Ethernet module is connected with ISA interface by IEEE802.3 agreement; GPRS module connects cell-phone customer terminal; Ethernet module connects long-range PC.

2. the all-weather intelligent house system based on ZigBee technology according to claim 1, it is characterized in that, described ARM PC end comprises ARM chip, power circuit, reset circuit, LED circuit, keyboard circuit, ZigBee interface, I/O interface, clock circuit, JTAG debugging interface, GPRS interface, Ethernet interface, FLASH memory and SDRAM storer, power circuit, reset circuit, LED circuit, keyboard circuit, ZigBee interface, I/O interface, clock circuit, JTAG debugging interface, GPRS interface, Ethernet interface, FLASH memory is connected with ARM chip respectively with SDRAM storer.

3. the all-weather intelligent house system based on ZigBee technology according to claim 2, it is characterized in that, described power circuit comprises selector switch, AC/DC conversion chip and lithium battery, and selector switch connects televisor, air-conditioning, illumination and security monitoring device; Selector switch connects lithium battery by AC/DC conversion chip simultaneously, and lithium battery connects ZigBee module.