CN208607499U - Kitchen children's monitor protective system - Google Patents

Abstract

A kind of kitchen children monitor protective system, comprising: home gateway, coordinator, child node, camera module, gas electromagnetic valve, remote terminal and ethernet communication equipment；Home gateway completes information exchange and data processing；It is connected between coordinator and home gateway by CAN bus, it is connected between coordinator and each child node by Zigbee network, wherein a child node is connected with camera module, another child node is connected with gas electromagnetic valve, home gateway is issued to gas electromagnetic valve by coordinator and child node and is instructed according to collected human face data and pre-stored data comparing result.Home gateway is judged according to collected face pattern and controls corresponding gas electromagnetic valve opening and closing, the gas electromagnetic valve being mounted on gas pipeline could be only opened after facial image identifies successfully, and then gas-cooker is opened, it avoids the accident caused by children arbitrarily light a fire and occurs.

Description

Kitchen children's monitor protective system

Technical field

The utility model relates to the technical field of internet of things equipment, specifically a kind of kitchen children monitor protective system.

Background technique

With the continuous development of technology of Internet of things, requirement of the people to quality of life is stepped up.For domestic environment More stringent requirements are proposed for the intelligence degree in comfort level especially kitchen, and it is more safe not to be intended merely to kitchen, prior It is more intelligent.

Smart kitchen systems based on technology of Internet of things are increasingly got the favour of people.Smart kitchen systems are as intelligence A part of house system just develops towards networking, intelligent direction, with the universal and cell phone application skill of smart phone The continuous development of art prefers to monitor kitchen whenever and wherever possible using mobile phone for young man.

Although domestic and international many mechanism or company are all in research smart home system now, really by whole system The example applied to completely in practice is few, moreover, now for smart home system research be mostly door and window, Research lacks monitoring and control to kitchen in terms of the networking of the basic object such as illumination, heating, air-conditioning；To having child's at home Kitchen is even more to increase hidden danger for family, often out of curiosity, child can adult not when imitate adult and cook and open Gas-cooker causes accident in turn.

Utility model content

The technical problem to be solved by the present invention is to provide a kind of kitchen children monitor protective systems.

The utility model is adopted the technical scheme that solve technical problem present in well-known technique:

Kitchen children's monitor protective system of the utility model, comprising: home gateway, coordinator, child node, camera mould Block, gas electromagnetic valve, remote terminal and ethernet communication equipment；Home gateway completes the information between local Intranet and Ethernet Exchange and data processing, home gateway are connected to ethernet communication equipment by local WiFi network；Coordinator and household net Between pass by CAN bus be connected, be connected between coordinator and each child node by Zigbee network, wherein a child node with take the photograph As head module is connected, camera module acquires human face data, and by child node and coordinator by collected human face data It is sent to home gateway, another child node is connected with gas electromagnetic valve, the on-off of the open and close control combustion gas gas circuit of gas electromagnetic valve, Home gateway is according to collected human face data and pre-stored data comparing result, by coordinator and child node to gas electromagnetic valve Issue instruction；Remote terminal is connected by Ethernet with local ethernet communication equipment, and then is connected with home gateway.

The utility model can also use following technical measures:

The home gateway uses STM32F407ZGT6 chip.

The coordinator and each child node all use CC2530 chip.

CAN bus between the home gateway and coordinator uses TJA1050 chip.

The home gateway is connected by serial ports with WiFi module ATK-ESP8266.

The camera module is OV2640 module.

The utility model has the advantages and positive effects of:

In kitchen children's monitor protective system of the utility model, face recognition technology has been introduced, home gateway is according to adopting The face pattern collected is judged and is controlled corresponding gas electromagnetic valve opening and closing, only could after facial image identifies successfully The gas electromagnetic valve that is mounted on gas pipeline is opened, and then opens gas-cooker, this just prevents in family children from arbitrarily opening combustion Gas kitchen avoids the accident caused by children arbitrarily light a fire and occurs；User can also be observed in kitchen by remote terminal By the collected scene of camera module, and it can directly assign instruction and gas electromagnetic valve is controlled.

Detailed description of the invention

Fig. 1 is the schematic illustration of kitchen children's monitor protective system of the utility model；

Fig. 2 is the pin signal of the used chip of home gateway in kitchen children's monitor protective system of the utility model Figure；

Fig. 3 is the electricity that home gateway is connect with CAN bus chip in kitchen children's monitor protective system of the utility model Lu Tu；

Fig. 4 is the minimum system circuit diagram of coordinator in kitchen children's monitor protective system of the utility model；

Fig. 5 is the circuit that coordinator is connect with CAN bus chip in kitchen children's monitor protective system of the utility model Figure；

Fig. 6 is the circuit that home gateway is connect with WiFi module in kitchen children's monitor protective system of the utility model Figure；

Fig. 7 is the circuit diagram of camera module in kitchen children's monitor protective system of the utility model.

Specific embodiment

The technical solution of the utility model is described in detail below by way of the drawings and specific embodiments.

As shown in Figures 1 to 7, kitchen children's monitor protective system of the utility model, comprising: home gateway, coordinator, Child node, camera module, gas electromagnetic valve, remote terminal and ethernet communication equipment；Home gateway complete local Intranet with Information exchange and data processing between Ethernet, home gateway are connected to ethernet communication by local WiFi network and set It is standby；It is connected between coordinator and home gateway by CAN bus, passes through Zigbee network phase between coordinator and each child node Even, wherein a child node is connected with camera module, camera module acquires human face data, and passes through child node and coordinator Collected human face data is sent to home gateway, another child node is connected with gas electromagnetic valve, the opening and closing of gas electromagnetic valve The on-off of combustion gas gas circuit is controlled, home gateway passes through coordinator according to collected human face data and pre-stored data comparing result It issues and instructs to gas electromagnetic valve with child node；Remote terminal is connected by Ethernet with local ethernet communication equipment, And then it is connected with home gateway.

Home gateway uses STM32F407ZGT6 chip.Chip has FPU and DSP instruction set, otp memory, encryptionization Manage device (CRYP), USB high speed OTG, ART adaptively real-time accelerator；32 RISC cores based on Cortex-M4F, dominant frequency are high Up to 168MHz；It provides the ADC in 3 24 channels, 2 DAC, the SPI of 3 37.5Mbps, the low-power consumption of 1 support calendar RTC, 2 IIC, 6 serial ports, 2 general 32 bit timing devices, 12 16 general bit timing devices, two therein are PWM timings Device.Each general purpose I/O port is posted including 4 32 configuration registers, 1 32 lock register, 1 32 set/reset Storage, 2 32 bit data registers and 2 32 bit multiplex function mask registers, 1 10/100M ethernet mac controller, 1 hardware random number generator, 1 utilizing camera interface (DCMI) and 112 universal I/O ports；The battery of 4KB with backup The on-chip SRAM of backup SRAM and 192KB, and can byte, the mode of half-word (16) either full word (32) access and be Unite SRAM.To carry out according to CPU speed when being written and read, N-free diet method period, i.e. waiting time be 0, power consumption as low as 238uA/Mhz。

Coordinator and each child node all use CC2530 chip.CAN bus between home gateway and coordinator uses TJA1050 chip.Wherein the PA12 pin of STM32F407 is connected with No. 1 pin of TJA1050, and the PA11 of STM32F407 draws Foot is connected with No. 4 pins of TJA1050, and the effect that CAN bus end resistance R is connected in circuit is impedance matching, plays reduction The function of echo reflection.Connection type between coordinator and each child node is approximate with above-mentioned connection type.

Home gateway is connected by serial ports with WiFi module ATK-ESP8266.STM32F407 is to pass through with ESP8266 Serial ports transmission data only need to connect serial ports pin W and other several pins can be achieved with communicating, GPIO_0 pin and The PC0 connection of STM32F407, REST pin and the PF6 of STM32F407 are linked, the PB10 of RXD_TTL pin and STM32F407 Link, TXD_TTL pin and the PB11 of STM32F407 are linked, GND pin ground connection.

Camera module is OV2640 module, the pin of camera module and the connection relationship of STM32F407 are as follows: SCL connects PD6, SDA connection PD7, RESET connection PGI5, PWDN connection PG9, XCLK connection PA8, VSYNC connection PB7, HREF is met to connect Connect PA4, D0 connection PC6, D1 connection PC7, D2 connection PC8, D3 connection PC9, D4 connection PC11, D5 connection PB6, D6 connection PE5, D7 connect PE6, PCLK and connect PA6.

In kitchen children's monitor protective system of the utility model, face recognition technology has been introduced, home gateway is according to adopting The face pattern collected is judged and is controlled corresponding gas electromagnetic valve opening and closing, only could after facial image identifies successfully The gas electromagnetic valve being mounted on gas pipeline is opened, and then opens gas-cooker, avoiding problems children in family arbitrarily to open Gas-cooker avoids the accident caused by children arbitrarily light a fire and occurs.

The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model Limitation, it is any however, be not intended to limit the utility model although the utility model has been described by way of example and in terms of the preferred embodiments Those skilled in the art are not departing within the scope of technical solutions of the utility model, certainly can be using in the technology disclosed Appearance makes a little change or modification, becomes the equivalent embodiment of equivalent variations, but all without departing from technical solutions of the utility model Content, any simple modification, equivalent change and modification made by the above technical examples according to the technical essence of the present invention, It is all within the scope of the technical scheme of the utility model.

Claims (6)

1. a kind of kitchen children monitor protective system characterized by comprising home gateway, coordinator, child node, camera Module, gas electromagnetic valve, remote terminal and ethernet communication equipment；Home gateway completes the letter between local Intranet and Ethernet Breath exchange and data processing, home gateway are connected to ethernet communication equipment by local WiFi network；Coordinator and household Between gateway by CAN bus be connected, be connected between coordinator and each child node by Zigbee network, wherein a child node and Camera module is connected, and camera module acquires human face data, and passes through child node and coordinator for collected face number According to home gateway is sent to, another child node is connected with gas electromagnetic valve, and the open and close control combustion gas gas circuit of gas electromagnetic valve is led to Disconnected, home gateway is electric to combustion gas by coordinator and child node according to collected human face data and pre-stored data comparing result Magnet valve issues instruction；Remote terminal is connected by Ethernet with local ethernet communication equipment, so with home gateway phase Even.

2. kitchen children monitor protective system according to claim 1, it is characterised in that: home gateway uses STM32F407ZGT6 chip.

3. kitchen children monitor protective system according to claim 2, it is characterised in that: coordinator and each child node are all adopted With CC2530 chip.

4. kitchen children monitor protective system according to claim 3, it is characterised in that: between home gateway and coordinator CAN bus use TJA1050 chip.

5. kitchen children monitor protective system according to claim 1, it is characterised in that: home gateway by serial ports with WiFi module ATK-ESP8266 is connected.

6. kitchen children monitor protective system according to claim 1, it is characterised in that: camera module is OV2640 mould Block.