[background technology]:
The Smart Home industry of China is risen the latter stage in the nineties.Along with the people's living standard is more and more higher, and a wave exceeds the real estate upsurge of a wave, and the Smart Home industry of China has obtained swifter and more violent development and has been penetrated into day by day in the middle of ordinary citizen's the life.Along with the Internet is constantly expanded to the average family life, consumer electronics, computer, communication integral trend become clear day by day, and modern Smart Home will be because characteristics such as its safety, convenient, efficient, quick, intellectuality will become the new fashion of modern society and family in 21 century.When family's intelligent gateway with family in various household electrical appliances when being connected together by home bus technical battery, just constituted powerful, highly intelligentized modern intelligent domestic system.
The Smart Home industry of China is at the early-stage, country does not still have the relevant industry technology standard of formal promulgation, producer adopts different separately technical solutions, this has restricted the development of Chinese Smart Home industry to a certain extent, and the integration trend of technology will form unified standard in significant period of time from now on.
The intelligence control system of PC framework has appearred in the budding stage of China's Smart Home, rests on the notion of showing Smart Home to the user basically, and practicality is not strong, belongs to the first generation.
The intelligence control system based on the single-chip microcomputer framework of at present a lot of Chinese Smart Home manufacturer development as core processing unit, adds the hardware and software of customization with one or many single-chip microcomputers; Practicality, ease for use and professional aspect raising has to a great extent been arranged, belong to the second generation.But in this,, product there is no operating system in generation, and directly to hardware programming, the code reuse rate is low, and system can not upgrade, and was fit to fairly simple application, and autgmentability is not strong; The main Analog Circuit Design relative complex that adopts, stability is not strong; Human-computer interaction interface is difficult to accomplish that hommization is with intelligent, the more important thing is, control by wired mode with the household electrical appliances that family intelligent control system is complementary, must be the intelligent household appliances compatible and special-purpose mutually with native system, and wiring is complicated, and difficulty of construction is big; This has just limited freely selecting of user widely, and price is also higher, causes family intelligent control system to be difficult to promote the use.
[summary of the invention]:
The purpose of this utility model is exactly in order to overcome above deficiency, provides a kind of powerful, can be compatible mutually with existing household electrical appliances, safety-protection system, and the Household intelligent gateway of easy care, scalable expansion.
For achieving the above object, the utility model proposes a kind of Household intelligent gateway, comprise central control module, the security protection that is connected with described central control module respectively and telephone control module, intercommunication module and tame electric control module, described central control module comprises central control circuit, the display, keyboard, network interface circuit, the communication interface circuit that are connected with described central control circuit; Debug i/f circuit (JTAG), flash memory (Flash) and synchronous dynamic memory (SDRAM) that described central control circuit comprises central processing unit, is connected with described central processing unit respectively.
Described central control module also comprises camera, loud speaker, the microphone that is connected with described central control circuit respectively.Described central control module also comprises the touch-screen drive circuit, and its driving input is connected with described central control circuit, and drive output is connected with described display.Described central control module also comprises usb circuit, is connected with described central control circuit.Described central control module also comprises the SD card reader, is connected with described central control circuit.
Described security protection and telephone control module comprise governor circuit, the pstn telephone circuit, data acquisition circuit, the communication interface circuit that are connected with described governor circuit respectively.Described security protection and telephone control module also comprise sound light alarming circuit, are connected with described governor circuit.
Described intercommunication module comprises control circuit, the voicefrequency circuit, the video circuit that are connected with described control circuit, and described control circuit is connected with the I/O mouth of described central control module, and described control circuit delivery outlet is connected with described display.
Described family electric control module comprise main control circuit, the radio-frequency (RF) transceiver that is connected with described main control circuit, infrared transceiver, communication interface circuit, with the infrared transponder of radio frequency of described radio-frequency (RF) transceiver wireless connections.
Described communication interface circuit comprises the RS485 communication interface circuit or/and the RS232 communication interface circuit.
Compared with prior art, advantage of the present utility model is:
Because adopt embedded architecture,
A, its primary processor adopt the efficient low-consume processor, this processor is mainly used in handheld device, its power consumption is very low, be equipped with Flash and SDRAM again, can handle easily that TCP/IP network protocol stack, audio frequency and video are handled and some complicated desktop application (as Word, Excel, picture is checked program, Mail Clients and web browser), the disposal ability of system strengthens greatly, can bring image more true to nature and real voice etc. more.
B, not only hardware resource can be utilized to greatest extent but also the system redundancy of having avoided too huge system to cause according to the real time operating system of system customization.
C, main process chip of employing, system architecture is clear more simple and direct.
D, software adopt hierarchical design to maintain easily and upgrade, and have improved the code utilance greatly, shorten the construction cycle.
E, have more remarkable network performance, can increase more network application.
The display of employing touch-screen drive circuit, everyone machine interactive interface all adopt pure figure, and be elegant in appearance, the human-computer interaction interface close friend.
Hardware interfaces such as TJAG, SD, USB are abundant, and in order to the system extension in future, the system expandability is strong; And can pass through Ethernet or USB interface or serial ports online upgrading, and provide convenient greatly for the subsequent upgrade maintenance of product, these are that traditional SCM Based solution can't accomplish to have incommensurability.
Family's electric control utilizes radio frequency directly to control, or by the infrared transponder of supporting radio frequency radio frequency is changeed the wireless mode of infrared remote control, but the wiring of simplified system reduces difficulty of construction; Also need not be equipped with special-purpose household electrical appliances.
[embodiment]:
Also the present invention is described in further detail in conjunction with the accompanying drawings below by specific embodiment.
As shown in Figure 1, Household intelligent gateway is the center and the information platform of home intelligence control system, and it provides a shared access center for domestic environment, home appliance, and the intelligent residential district is formed as shown in Figure 6.Internally can realize contact, centralized management and the Based Intelligent Control of video intercom, safety-protection system, electric equipment, light, power supply, three tables etc. by it, externally, realize information interchange and management, the Long-distance Control of home equipment and the remote monitoring of family of sub-district by TCP/IP interface and telephony interface.
Be made up of 4 disposable plates on the Household intelligent gateway hardware, they are: central control module, intercommunication module, security protection and telephone control module and tame electric control module.
Central control module: the core of Household intelligent gateway, be responsible for handling most control and applied logic, control other three modules, its hardware configuration schematic diagram is as shown in Figure 2.
Central control circuit: its primary processor adopts S3C2410 (ARM9 kernel) the efficient low-consume processor of dominant frequency up to the Korea S Samsung of 200MHZ, this processor is mainly used in handheld device, its power consumption is very low, be equipped with Flash and the SDRAM that goes up magnanimity (with respect to the SCM Based solution of tradition) again, the primary processor height is integrated, system configuration is succinct, signal stabilization; Adopt 6 floor heights plate technology frequently, high-speed line adopts isometric design, and all interference are refused in the input of two-way clock.
Operating system adopts the (SuSE) Linux OS of increasing income, safety, stable;
Hardware interface is abundant, these interfaces comprise: 1 10M Ethernet IC and interface thereof, LCD interface, touch screen interface, man-machine interaction keyboard, serial ports: 485 interfaces 1 (being used to connect 485 equipment), 2 232 interfaces, at least 5 of LED light, be respectively: the work indication, under-voltage/the charging indication, the network indication, the newer message prompting, one is standby; The I2S interface is drawn microphone and boombox; Each one USB Host and Device interface can be used for connecting USB flash disk, digital camera and the first-class USB device of shooting; The SD memory card interface; Jtag interface adopts 20 needle interfaces, convenient system-level debugging; Other do not use CPU mouth line, and unified drawing is in order to the system extension in future.
Operating system adopts the (SuSE) Linux OS of increasing income, and it is abundant to exploit natural resources, and the API second development interface of a cover standard universal is provided on the software, and is portable strong.
The configuration of central control circuit ancillary equipment comprises SD card reader, LCD display, touch-screen drive circuit, keyboard, loud speaker and microphone; LCD adopts with backlight and 320*240TFT color screen touch screen interface, color reaches the 64K look, and is furnished with quick button, and everyone machine interactive interface all adopts pure figure, and is elegant in appearance.Also dispose camera in the ancillary equipment, can be used for remote monitoring family.
Adopt the design of duplicate supply Hot Spare, primary power cource is the ATX power supply, and stand-by power supply is the lithium battery of band charging circuit; Under the normal condition, main power source is system's power supply (comprising the back-up source charging), and lithium battery is ready and carries out the charging of necessity; Stand-by power supply is enabled automatically under the situation that primary power cource lost efficacy, and switches back primary power cource again after primary power cource recovers normally, and the switching between the two is accomplished seamless, i.e. the switching of the two can not have influence on the relevant ongoing work of software and hardware system; Back-up system power supply energy continuous firing is more than 3 hours, and standby is more than 24 hours.
The intercommunication module:
Graphical display, button processing section during this module chief leading cadre machine is mutual, it also is the video intercom main frame simultaneously, and is responsible for handling the switching between video intercom and the figure man-machine interaction.Its structural representation such as Fig. 3: control circuit is connected with the I/O of central control module, also is connected with wherein one group of LCD input port, and with gate inhibition's voice signal, video circuit is handled the dynamic image signal from gate inhibition's camera in the voicefrequency circuit process chamber.When the visitor called out, central control module switched audio-video signal automatically, by its display of video intercom module invokes and loud speaker, microphone.
Family's electric control module:
The main control circuit of family's electric control module is by communication interface circuit 485 interfaces, carry out communication with central control module, central control module sends tame electric control/learn command to it and accepts feedback signal from tame electric control module, by infrared transceiver, the radio-frequency (RF) transceiver that is connected with main control circuit, household electrical appliances are controlled on the basis of controlled in wireless further to be strengthened, simultaneously, except the function that comprises the wireless remote control net and the capacity that enlarges its control range and various control modes, also add remote control function.Its structure as shown in Figure 4.
Please refer to shown in Figure 1ly, tame electric control module is realized the light control to household equipment, comprises following concrete function: centralized control, the control of light sight, Combination Control, condition control, Long-distance Control.
Centralized control
The function of all remote controllers in the family is all concentrated on the tame electric control module, make this module can control the control method of remote control equipments all in the family.Family's electric control module is by the control code of plurality of devices such as study television set, VCD machine, DVD player, power amplifier, air-conditioning, remote control illumination, supporting intelligent distant control switch, smart jack, radio frequency infrared signal transponder etc., all remote control equipments in the family can be controlled, thereby a plurality of remote controller control household electrical appliance need not be re-used.
Light sight control---the many lamps of key
Use a key all illuminating lamps that will control to be adjusted to the control procedure of designated state.Household intelligent gateway study needs the state encoding of control illuminating lamp, stores, and when hope is adjusted to the state of having learnt to the light state, presses the specified button on the Household intelligent gateway, realizes lamplit sight control.
Combination Control
The independent function combinations of any several home appliances worked being used as a function, realize the control method of a key a plurality of equipment linkages.Family's electric control module is realized the function of a plurality of equipment by the independent function combinations of other equipment of learning together with singly-bound.
Timing controlled
Carry out the timing controlled of light and household electrical appliances according to penetrating the fixed time.
Condition control
Refer to control the control mode of the action of one or more home appliances according to imposing a condition.Can impose a condition is time and indoor temperature, or Household intelligent gateway on controlled condition is set, when system monitoring to condition satisfy to set when requiring, tame electric control module sends signal, the selected equipment of control is finished the function of setting.
Long-distance Control
By dialing the phone in the family or land Internet, realize all household electrical appliance, the light to family, the Long-distance Control of power supply.By phone or Internet, control signal is sent to tame electric control module, the execution of tame electric control module control apparatus.
Security protection and telephone control module:
The main object of safety monitoring is a household safe, mainly comprises following function: security alarm, remote alarms and flash appeal.Its circuit structure block diagram comprises governor circuit as shown in Figure 5, the data acquisition circuit that is connected with governor circuit, pstn telephone circuit, communication interface circuit, and communication interface circuit adopts RS485.
Security alarm: comprise burglar alarm, fire alarm and gas leakage warning etc.All security alarm devices all are connected to the governor circuit of safety monitoring module, and security sensor has wired and wireless two kinds of access waies.When alarm took place, Household intelligent gateway was sent to the cell monitoring server to alert, and carries out following operation according to setting: start alarm bell and interlocking equipment, dial the alarm call of setting.
Urgent call: set 4 urgent call telephone numbers in advance on Household intelligent gateway, when the needs Emergency Assistance, directly press emergency call button, Household intelligent gateway is dialed predefined emergency phone.
Long-range removing deployed troops on garrison duty: the state of deploying troops on garrison duty that changes the home security monitoring module by phone and network.
Other functions of the present utility model:
Information service: the network interface circuit that adopts by central control module is a LAN card, connects the broadband, sub-district, realizes online, carries out information browse, tone information, remote meter reading etc.
Multiple information can be issued in the sub-district, comprises contents such as sub-district bulletin, major family's notice, weather forecast, in time understands various information to make things convenient for resident family.Information is issued in cell server by administrative staff, and information is read by Household intelligent gateway.
SMS: resident family can send Word message and multimedia message to Household intelligent gateway by mobile phone.
Tone information: the user can leave a message on Household intelligent gateway, greets the household or provides information to the household.
Three table inquiries: use in conjunction with the neighbours living hypervisor, the user can inquire about the consumption and the expense of family's water, electricity, coal gas and other similar articles for use by Household intelligent gateway.