CN203786547U - Intelligent home system based on wireless sensor - Google Patents

Abstract

The utility model provides an intelligent home system based on wireless sensors. The intelligent home system comprises terminal nodes and an access node AP which are arranged in a WI-FI local area network, wherein each terminal node comprises a wireless control chip, a sensor module, a control module and a power supply module, each sensor module, each control module and each power supply module are respectively connected with each wireless control chip, and each wireless control chip comprises a WI-FI module; the access node AP comprises a microcontroller, a WI-FI chip and an Ethernet controller, the each and the Ethernet controller are respectively connected with the microcontroller; and the access node AP collects information of the terminal nodes through the WI-FI chip. The intelligent home system improves the real-time performance and accuracy of home environment monitoring, has the advantages of low power consumption, fast transmission speed, strong function, low cost and flexible networking, and can be widely used in fields such as intelligent home, intelligent building and digital medical treatment.

Description

A smart home system based on wireless sensors

technical field

The utility model relates to a household system, in particular to an intelligent household system based on a wireless sensor.

Background technique

At present, smart home products are divided into two categories: wired smart home and wireless smart home. Wired smart home refers to connecting all the devices in the home through wires. The advantage of this design is that it is stable and reliable, and can transmit video signals. The disadvantage is that it is difficult to install and maintain, especially when adding and deleting nodes after the home decoration is completed. Wiring is very troublesome; wireless smart home has a smart home system based on ZigBee technology, which has low power consumption and high security. , convenient networking, etc., but because of its low data transmission rate (10Kbps~250Kbps), it cannot meet the functions of high-definition video surveillance and video entertainment in smart homes.

Contents of the invention

The technical problem to be solved by the utility model is to provide a smart home system with simple wiring, expansion and maintenance, fast transmission speed, long distance and capable of video or image transmission.

In this regard, the utility model provides a smart home system based on wireless sensors, including: a terminal node and an access node AP arranged in a WI-FI local area network, and the terminal node includes a wireless control chip, a sensor module, a control module and A power module, the sensor module, the control module and the power module are respectively connected with a wireless control chip, the wireless control chip includes a WI-FI module; the access node AP includes a microcontroller, a WI-FI chip and an Ethernet The controller, the WI-FI chip and the Ethernet controller are respectively connected to the microcontroller; the access node AP collects the information of the terminal node through the WI-FI chip.

The terminal node connects various sensors for detection or control modules for output to the Wi-Fi module of the wireless control chip, and the terminal node has a Wi-Fi communication function as a base node of the wireless sensor network. To realize the detection and control of various parameters of the smart home system, the wireless control chip is preferably a GS1010 chip, the GS1010 chip itself has a Wi-Fi module; The communication module communicates with each terminal node, and is responsible for analyzing, storing, processing and making decisions on the collected data of the terminal nodes, such as: on-site alarm, and can also be connected to the Ethernet through the Ethernet controller; the terminal nodes and the interface The ingress node AP realizes the data transmission through the WI-FI LAN.

Compared with the prior art, the utility model adopts the wireless mode of WI-FI to solve the problems of cumbersome wiring, difficult expansion and maintenance, and realizes communication through Wi-Fi, which solves the problem of slow transmission speed, Short transmission distance and inability to transmit video or image signals in real time, the utility model greatly improves the real-time and accuracy of home environment monitoring, and has low power consumption, fast transmission speed, strong function, low cost and flexible networking, etc. Advantages, it will have broad application prospects in smart homes, smart buildings and digital medical care.

A further feature of the present invention is that it also includes a remote client, and the access node AP is connected to the remote client through an Ethernet controller. The remote client communicates with the access node AP through Ethernet, which is convenient for remote monitoring of the smart home system based on WI-FI environment.

A further feature of the present invention is that the access node AP further includes a USB interface, and the USB interface is connected with a microcontroller. The USB interface is expanded on the microcontroller, which facilitates the installation and function expansion of the access node AP through the USB interface.

A further feature of the present invention is that the terminal node further includes a field alarm module, and the field alarm module is connected with a wireless control chip. The on-site alarm can also send an alarm signal to a designated receiver via Ethernet.

A further aspect of the present invention is that the sensor module includes at least one of a video sensor, an access control sensor, a temperature sensor, a humidity sensor, a brightness sensor and a CO concentration sensor. Preferably, the control module includes at least one of a temperature control module, a humidity control module, a lighting control module and an electrical appliance control module.

The terminal nodes can be divided into detection nodes, control nodes, and detection control nodes according to their different functions. The detection nodes include sensors corresponding to video monitoring, air temperature, air humidity, and smoke detection. The control nodes include lighting Actuators corresponding to energy-saving control, electrical remote control, etc., and the detection control node includes sensors or actuators corresponding to electric curtain control and video resource sharing, etc.

The smart home system of the utility model works on the WI-FI local area network. Users can access the Internet through WI-FI or remote terminals, and can understand and control the home environment anytime and anywhere. The utility model can realize video monitoring of the activities of people in the home, remote Visual intercom, access control information check, indoor environment temperature and humidity control, smoke and carbon monoxide gas concentration detection, etc.; remote control and alarm can also be realized, and remote control of electrical equipment can be realized by controlling the power socket with Wi-Fi function. Such as the control of electrical appliances such as dehumidifiers, water heaters, air conditioners and electric curtains.

A further feature of the utility model is that the microcontroller is an ARM9. The Ethernet controller is preferably DM9000. Both the wireless control chip of the terminal node and the WI-FI chip of the access node AP are preferably GS1010 chips.

ARM9 is a powerful, high-performance, low-power microcontroller, using 1.1MIPS/MHz Harvard structure, supports 32-bit ARM instruction set and 32-bit high-speed AMBA bus interface, MPU supports real-time operating system; DM9000 is A highly integrated single-chip Fast Ethernet MAC controller, supports 32-bit interface to access internal memory, and has 10M/100M Ethernet function. The access node AP implements the unpacking and packaging of the Wi-Fi protocol data through hardware, extracts effective information from the data packet, and converts it into Internet protocol data, that is, TCP/IP protocol data, and then transmits it to The remote client completes the data transmission of the entire network.

Compared with the prior art, the terminal node and the access node AP described in the utility model both have the WI-FI communication function, realize the data collection and reception of the smart home through the WI-FI local area network, and solve the cumbersome wiring, expansion and maintenance Difficult problems, and solve the problems of slow transmission speed, short transmission distance and real-time transmission of video or image signals in other wireless methods. The utility model greatly improves the real-time and accuracy of home environment monitoring, and has low power consumption, With the advantages of fast transmission speed, strong function, low cost and flexible networking, it can be widely used in smart home, smart building and digital medical fields.

Description of drawings

Fig. 1 is the overall structural representation of a kind of embodiment of the utility model;

Fig. 2 is a schematic structural diagram of a terminal node of an embodiment of the present invention;

Fig. 3 is a schematic structural diagram of an access node AP according to an embodiment of the present invention.

Detailed ways

Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in further detail.

Example 1:

As shown in Figures 1 to 3, this example provides a wireless sensor-based smart home system, including: a terminal node and an access node AP set in a WI-FI local area network, the terminal node includes a wireless control chip, a sensor module, a control module and a power module, the sensor module, the control module and the power module are respectively connected with a wireless control chip, and the wireless control chip includes a WI-FI module; the access node AP includes a microcontroller, a WI-FI A FI chip and an Ethernet controller, the WI-FI chip and the Ethernet controller are respectively connected to a microcontroller; the access node AP collects terminal node information through the WI-FI chip.

As shown in Figures 1 to 3, the terminal node, access node AP, and remote client in this example all realize their specific connection relationships and functions through hardware, and the terminal node uses various sensors for detection or for The output control modules are respectively connected to the Wi-Fi module of the wireless control chip. The terminal node has the function of Wi-Fi communication, which is used as the basic node of the wireless sensor network to realize the detection and control of various parameters of the smart home system; The ingress node AP communicates with each terminal node through the Wi-Fi wireless communication module that comes with the WI-FI chip. The Ethernet controller is connected to the Ethernet; the data transmission between the terminal node and the access node AP is realized through WI-FI.

In this example, a WI-FI-based wireless local area network and a terminal node and an access node AP that can communicate in the WI-FI local area are designed. The terminal node preferably includes a wireless control chip GS1010, a sensor module, a control module, and a power supply module. , with the wireless control chip GS1010 as the core, to realize the information collection and control of the field equipment, the wireless control chip GS1010 has a WI-FI module, which has a WI-FI communication function, and can realize communication with the access node AP; The access node AP preferably includes a microcontroller, a WI-FI chip, and an Ethernet controller. The WI-FI chip and the Ethernet controller are respectively connected to the microcontroller. The information collection and connection with the external network realize the function of remote monitoring.

In the prior art, the wired smart home system can be divided into a power line carrier technology transmission system and a dedicated separate wiring system. The smart home system composed of power lines has simple wiring, but the power line carrier technology has very high requirements for the power network environment. If the power The network itself is unstable, and the stability of communication cannot be guaranteed. The current power network environment in China cannot meet the requirements; the smart home system composed of separate wiring is complicated to construct, difficult to maintain, and high in cost. Because of fixed lines, it leads to equipment mobility. And the flexibility is poor, especially it is very difficult to add smart nodes.

In the prior art, wireless solves the line problem in wired technology, and it is very convenient to add and delete nodes in the system; however, the typical smart home systems on the market are almost all based on ZigBee. ZigBee is a low-cost, Low complexity, low power consumption, automatic networking, and highly reliable two-way wireless communication technology; but ZigBee uses 8-bit transmission data technology, and the transmission rate is low. When the system needs to transmit some real-time monitoring signals or entertainment video information, these The amount of signal data is large and the real-time requirements are high, so ZigBee technology is difficult to meet.

The WI-FI technology has the advantage of very fast transmission speed (the highest bandwidth can reach 11Mbps). In the case of weak signal or interference, the bandwidth can be automatically adjusted to 5.5Mbps, 2Mbps and 1Mbps. The automatic adjustment of bandwidth can effectively The stability and reliability of the network are guaranteed; the communication distance in the open area can reach 305 meters, and the communication distance in the closed area is 76 meters to 122 meters. With the improvement of the antenna and transmission technology, the transmission distance of the wireless LAN will increase. Greatly increased, it can reach several kilometers, which can fully meet the needs of smart home and smart building systems.

WI-FI technology has been seamlessly connected with the existing wired network. With the promotion and popularization of mobile phone WI-FI technology, chips and communication modules with WI-FI function have been developed rapidly. There are many Various types of chips and modules make it easier to design a communication network based on WI-FI technology, and the cost of networking and maintenance of the WI-FI network will be greatly reduced; and the utility model uses WI-FI wireless local area network technology A smart home system based on wireless sensors is constructed.

Compared with the existing technology, this example adopts the WI-FI wireless method to solve the problems of cumbersome wiring, difficult expansion and maintenance, and realizes communication through Wi-Fi, which solves the problem of slow transmission speed and long distance of the wireless method in the prior art. short and cannot transmit video or image signals in real time. This example greatly improves the real-time and accuracy of home environment monitoring. It also has the advantages of low power consumption, fast transmission speed, strong functions, low cost and flexible networking. Smart homes, smart buildings and digital medical care will have broad application prospects.

A further feature of this example is that a remote client is also included, and the access node AP is connected to the remote client through an Ethernet controller. The remote client communicates with the access node AP through Ethernet, which is convenient for remote monitoring of the smart home system based on WI-FI environment.

Example 2:

As shown in FIG. 3 , on the basis of Embodiment 1, the access node AP described in this example further includes a USB interface, and the USB interface is connected to a microcontroller. The USB interface is expanded on the microcontroller, which facilitates the installation and function expansion of the access node AP through the USB interface.

A further feature of this example is that the microcontroller is ARM9. The Ethernet controller is preferably DM9000. The USB interface is preferably connected to the UATR0 port of the microcontroller ARM9, the WI-FI chip is preferably connected to the UATR2 port of the microcontroller ARM9, and the Ethernet controller DM9000 is preferably connected to the RX/TX/CLK/EN end of the microcontroller ARM9.

ARM9 is a powerful, high-performance, low-power microcontroller, using 1.1MIPS/MHz Harvard structure, supports 32-bit ARM instruction set and 32-bit high-speed AMBA bus interface, MPU supports real-time operating system; DM9000 is A highly integrated single-chip Fast Ethernet MAC controller, supports 32-bit interface to access internal memory, and has 10M/100M Ethernet function. The access node AP implements the unpacking and packaging of the Wi-Fi protocol data through hardware, extracts effective information from the data packet, and converts it into Internet protocol data, that is, TCP/IP protocol data, and then transmits it to The remote client completes the data transmission of the entire network.

Compared with the existing technology, both the terminal node and the access node AP described in this example have the function of WI-FI Internet access. Through WI-FI networking, the data collection and reception of the smart home are realized, and the complicated wiring, expansion and maintenance are solved. Difficult problems, and solve the problems of slow transmission speed, short transmission distance and real-time transmission of video or image signals in other wireless methods. This example greatly improves the real-time and accuracy of home environment monitoring, and has low power consumption, transmission With the advantages of fast speed, strong function, low cost and flexible networking, it can be widely used in smart home, smart building and digital medical fields.

Example 3:

As shown in FIG. 2 , on the basis of Embodiment 1 or Embodiment 2, the terminal node in this example further includes a field alarm module, and the field alarm module is connected to a wireless control chip. The on-site alarm module is controlled by a wireless control chip, and the on-site alarm can also send an alarm signal to a designated receiving end through Ethernet.

As shown in Figure 2, the sensor module described in this example preferably includes a video sensor, an access control sensor, a temperature sensor, a humidity sensor, a brightness sensor and a CO concentration sensor; the control module preferably includes a temperature control module, a humidity control module, a lighting control module modules and electrical control modules.

The main function of the terminal node in this example is to conduct two-way wireless communication with the access node AP, and collect various relevant parameters according to the instructions issued by the access node AP to send to the access node AP or execute the access node AP to send control instructions.

Among them, the wireless control chip can use the GS1010 module. The GS1010 module is a control and wireless communication module based on the IEEE802.11b/g ultra-low power consumption Wi-Fi chip GS1010 newly launched by GainSpan, mainly for wireless sensor networks. . GS1010 is a highly integrated, ultra-low power wireless system-on-chip (SOC), which includes a radio frequency front-end, media controller and baseband processor (ARM7 CPU), on-chip large-capacity FLASH and SRAM, and a 32-bit ARM7 application processor And rich I/O interfaces such as GPIO, UART, I2C, SPI, PWM, ADC, etc. The RF working frequency is 2.4～2.497GHZ, and the working clock frequency is 44MHZ; GS1010 integrates MCU, Wi-Fi wireless network control and Wi-Fi RF RF front-end on the same chip, the power consumption can be reduced to the level of ZigBee, and the standby function The power consumption is 2μA at 1.8V and 5μA at 3.6V, and the battery life can reach up to ten years.

As shown in Figure 1, the terminal nodes can be divided into detection nodes, control nodes and detection control nodes according to their different functions, and the detection nodes include corresponding sensors for video monitoring, air temperature, air humidity and smoke detection, etc. The control node includes sensors corresponding to lighting energy-saving control, electrical remote control, etc., and the detection control node includes sensors corresponding to electric curtain control and video resource sharing.

The smart home system in this example works on the WI-FI LAN. Users can access the Internet through WI-FI or remote terminals, and can understand and control the home environment anytime and anywhere. This example can realize video monitoring of the activities of people in the home and remote visualization Intercom, access control information check, indoor environment temperature and humidity control, smoke and carbon monoxide gas concentration detection, etc.; remote control and alarm can also be realized, and remote control of electrical equipment can be realized by controlling the power socket with Wi-Fi function, such as Control of electrical appliances such as dehumidifiers, water heaters, air conditioners and electric curtains.

This example is a wireless sensor-based smart home system implemented in a Wi-Fi environment. The 32-bit microcontroller ARM9 is preferably used as the control core, and the ultra-low power consumption dedicated Wi-Fi chip GS1010 is used for wireless communication. The local area network in the Fi communication format uses the ARM9 on-chip real-time operating system to realize Wi-Fi wireless network management, home environment parameter collection, data transmission, analysis and processing, and then sends commands to control the enabling of related equipment.

This example uses the smart home system as the platform, which integrates system, structure, monitoring and management. Through the combination of wireless network and wired network, the monitoring of the home environment can be completed intuitively and conveniently on the remote terminal; this example adopts the wireless method to solve the problem. It solves the problems of cumbersome wiring, difficult expansion and maintenance of the wired system, and uses Wi-Fi technology to solve the problems of slow transmission speed, short transmission distance and inability to transmit video or image signals in real time in other wireless methods, which greatly improves the real-time performance of home environment monitoring. Accuracy, low power consumption, fast transmission speed, strong functions, low cost and flexible networking, etc., will have broad application prospects in smart homes, smart buildings and digital medical care.

The specific implementations described above are preferred implementations of the present utility model, and are not intended to limit the specific implementation scope of the present utility model. The scope of the present utility model includes but is not limited to this specific implementation. , The equivalent changes made by the structure are all within the protection scope of the present utility model.

Claims (9)

1. the intelligent domestic system based on wireless senser, it is characterized in that, comprise: be arranged at terminal node and access node AP in WI-FI LAN (Local Area Network), described terminal node comprises controlled in wireless chip, sensor assembly, control module and power module, described sensor assembly, control module and power module are connected with controlled in wireless chip respectively, and described controlled in wireless chip comprises WI-FI module; Described access node AP comprises microcontroller, WI-FI chip and ethernet controller, and described WI-FI chip is connected with microcontroller respectively with ethernet controller; Described access node AP is by the information of WI-FI chip collection terminal node.

2. the intelligent domestic system based on wireless senser according to claim 1, is characterized in that, also comprises Terminal Server Client, and described access node AP is connected with Terminal Server Client by ethernet controller.

3. the intelligent domestic system based on wireless senser according to claim 1, is characterized in that, described access node AP also comprises USB interface, and described USB interface is connected with microcontroller.

4. according to the intelligent domestic system based on wireless senser described in claims 1 to 3 any one, it is characterized in that, described terminal node also comprises onsite alarming module, and described onsite alarming module is connected with controlled in wireless chip.

5. according to the intelligent domestic system based on wireless senser described in claims 1 to 3 any one, it is characterized in that, described sensor assembly at least comprises a kind of in video sensor, gate inhibition's sensor, temperature sensor, humidity sensor, luminance brightness sensor and CO concentration sensor.

6. according to the intelligent domestic system based on wireless senser described in claims 1 to 3 any one, it is characterized in that, described control module at least comprises a kind of in temperature control modules, humidity control module, illumination control module and electrical control module.

7. according to the intelligent domestic system based on wireless senser described in claims 1 to 3 any one, it is characterized in that, described microcontroller is ARM9.

8. the intelligent domestic system based on wireless senser according to claim 7, is characterized in that, described ethernet controller is DM9000.

9. according to the intelligent domestic system based on wireless senser described in claims 1 to 3 any one, it is characterized in that, the controlled in wireless chip of described terminal node and the WI-FI chip of access node AP are GS1010 chip.