CN201974674U - White goods wireless data exchange and control system - Google Patents
White goods wireless data exchange and control system Download PDFInfo
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- CN201974674U CN201974674U CN201020576576XU CN201020576576U CN201974674U CN 201974674 U CN201974674 U CN 201974674U CN 201020576576X U CN201020576576X U CN 201020576576XU CN 201020576576 U CN201020576576 U CN 201020576576U CN 201974674 U CN201974674 U CN 201974674U
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Abstract
The utility model relates to a white goods wireless data exchange and control system, which is characterized in that the white goods wireless data exchange and control system comprises a wireless intelligent control terminal and a plurality of home appliance controller products with a wireless transceiver module respectively. The wireless intelligent control terminal comprises a microprocessor micro control unit (MCU), an external data communication unit and a home appliance controller product communication unit, wherein the external data communication unit comprises a protocol analysis module and a transmission control protocol (TCP)/internet protocol (IP) interface module; and the home appliance controller product communication unit comprises an interface module, a protocol analysis module and a wireless transceiver module. By formulating a low-cost and scalable control protocol aiming at white goods and by selecting a license-free communication frequency band, intelligent control home appliances which support the protocol and are provided with communication modules, and wireless intelligent control terminals which support a white goods network and are used for information sharing and work coordination, information sharing and work coordination are realized among the white goods; and moreover, a circuit is simple, reliable and easy to realize and the cost is reasonable.
Description
Technical field
The utility model relates to the wireless telecommunications innovative technology is applied in white domestic appliances control field, particularly relates to a kind of white domestic appliances wireless data exchange and control system.
Background technology
At present, white domestic appliances are isolated to be used, function singleness, domestic white goods industry is in networking and informationalized developing stage, the consensus standard of appliance network, digital home, information household appliances is numerous, and confusion is fought separately, establish technology barriers mutually, also the unified Technical Interface Specification of not accepted by market.Especially not towards low and middle-end white domestic appliances product interconnected communication interface standard and low-cost solution, cause manufacturer when the Internet appliance product of the own standard of production and sales, to can not get the support of other producers and terminal user's approval, and at a loss as to what to do on the intelligence interconnection consensus standard; Simultaneously, because the pressure of white domestic appliances selling price and cost causes generally adopting in the white domestic appliances controller 8 MCU to control.Because the resource of 8 MCU is very limited, and processing speed and ability are all very weak, can't operation use on 8 MCU in the control in real time so be similar to the communication protocol (comprising the IGRS of IGRS) of Ethernet.
Therefore, how to fully utilize infotech, network technology and intelligent control technology and transform traditional home appliance, with user's request, energy-conservation etc. is that controlled target is carried out networked integrated management, Based Intelligent Control, optimization operation and intelligent decision, study networked white domestic appliances Based Intelligent Control comprehensive management technology, realize intelligence interconnection, information sharing, cooperation with service, become electrical appliance industry technical matters anxious to be solved.
The utility model content
The purpose of this utility model, be in order to solve the problem that above-mentioned white domestic appliances exist isolated use, function singleness, shortage information sharing and collaborative work, a kind of white domestic appliances wireless data exchange and control system have been proposed, this system formulates control protocol low-cost, that can reduce at white domestic appliances, makes and realizes information sharing, co-ordination between the white domestic appliances; Have simple and reliable, the easy realization of circuit, the rational characteristics of cost simultaneously.
The purpose of this utility model can reach by following measure:
A kind of white domestic appliances wireless data exchange and control system, its characteristics are:
1) comprises the tame electronic equipment of intelligent wireless control terminal and several band radio receiving transmitting modules; Described intelligent wireless control terminal comprises microprocessor module, protocol analysis module, TCP/IP interface module, radio interface module and radio receiving transmitting module;
2) described intelligent wireless control terminal is undertaken interconnected by the Internet network of TCP/IP interface module and outside; Described intelligent wireless control terminal carries out message exchange by radio receiving transmitting module and each tame electronic equipment; The intelligent wireless control terminal converts the wireless data information of different tame electronic equipments the information packet of same format to by the protocol analysis module, and information packet is sent to the radio receiving transmitting module of each tame electronic equipment by radio receiving transmitting module;
3) each tame electronic equipment is accepted the information packet that above-mentioned radio receiving transmitting module sends over by its radio receiving transmitting module that carries respectively, thereby and carry out protocol analysis and finish information interaction with the intelligent wireless control terminal; Thereby the main MCU that simultaneously information is sent to tame electronic equipment controls main MCU and carries out corresponding actions.
Described family electronic equipment is white domestic appliances products such as refrigerator, washing machine, air-conditioning and micro-wave oven.Above-mentioned information packet is the control information to tame electronic equipment, as the switch household appliances, to the feedback of the selection of product function, control, status information, analysis data of the duty of various household appliances or the like.Above-mentioned protocol analysis module utilizes white domestic appliances general controls agreement to realize protocol analysis.In the practical application, described intelligent wireless control terminal can also carry out message exchange with mobile phone.
The purpose of this utility model can also reach by following measure:
A kind of embodiment of realizing the utility model purpose is: the microprocessor module of described intelligent wireless control terminal comprises little process chip MCU, key circuit, display circuit and main memory circuit;
1) described key circuit comprises ten button K1～K10; Described ten buttons respectively have an end to be connected with 82,85,67～64,53～50 pin of MCU respectively, and the other end of described ten buttons also connects the back R14 of passing through, capacitor C 6 to ground;
2) described display circuit comprises two parts, and a part is three light-emitting diode displays, is respectively LED1, LED2, LED3, and the 56th～58 pin of MCU meets three LED to power supply 3.3V by R15, R16, R18 respectively; Another part is 3.5 cun TFT displays, 16 position datawires of TFT display respectively with MCU 32～40,43～45,20,21,74,, 75 pin link to each other, 4 control lines of TFT display link to each other with 68～70,73 pin of MCU, 27 pin of MCU connect triode Q2 base stage by resistance R 22, one end of resistance R 21 connects triode Q2 base stage, the other end arrives ground by resistance R 2, the emitter of triode Q2 is by resistance R 2 ground connection, the collector of triode Q2 links to each other with resistance R 25～R28, and another termination TFT's of resistance R 25～R28 is backlight;
3) described main memory circuit comprises memory chip IC1 and memory chip IC2; The 1st pin of memory chip IC1 is connected with the 63rd pin of MCU, 2 pin of IC1 are connected with 61 pin of MCU, 3 pin of IC1 connect power supply 3.3V by resistance R 8, the 4 pin ground connection of IC1,5 pin of IC1 are connected with 60 pin of MCU, 6 pin of IC1 are connected with 62 pin of MCU, and the 7 pin connecting resistance R9 of IC1 are to power supply 3.3V, and 8 pin of IC1 meet power supply 3.3V; 1 pin of memory chip IC2 is connected with 79 pin of MCU, 2 pin of IC2 are connected with 77 pin of MCU, 3 pin of IC2 connect power supply 3.3V by resistance R 8, the 4 pin ground connection of IC2,5 pin of IC2 are connected with 76 pin of MCU, 6 pin of IC2 are connected with 78 pin of MCU, and the 7 pin connecting resistance R9 of IC2 are to power supply 3.3V, and 8 pin of IC2 meet power supply 3.3V;
4) 46～49 pin of little process chip MCU are connected with 3,5,6,4 pin of CN1 respectively, and CN1 is connected with radio receiving transmitting module; Little process chip MCU itself carries the Internet controller, is connected with external network by CN2, and 1～10 pin of CN2 connects 95～86 pin of MCU respectively, realizes the protocol conversion with outside TCP/IP; 2～8 pin of JP1 are connected with 4,2,3,5,100,1,17 pin of little process chip MCU respectively, 1 pin of JP1 connects the 3.3V power supply, 2,3,4,7 pin are by moving the 3.3V power supply on resistance R 7, R5, R3, the R1,5,6 pin pull down to ground, 9 pin ground connection by resistance R 6, R4, JP1 is a jtag interface, is used for connecting the little process chip MCU of debugging in simulated environment; The peripheral equipment of locating of little process chip MCU also comprises power supply, crystal oscillator Y1, Y2, reset circuit.
A kind of embodiment of realizing the utility model purpose is: little process chip MCU of described intelligent wireless control terminal is made of 2361 microprocessors of LPC.
A kind of embodiment of realizing the utility model purpose is: described radio receiving transmitting module is made up of transmission circuit, MCU control circuit; The transceiving chip U5 of transmission circuit selects SI4421 for use, and inductance L 1 receives RF1, the RF2 pin of sending out chip, and inductance L 2 one termination RF1 pin connect capacitor C 10 1 ends, C10 other end ground connection simultaneously; RF2 connects capacitor C 11 1 ends, inductance L 3 one ends, another termination power vd of L3 D; Capacitor C 11 another termination L2 one end, capacitor C 12 1 ends, capacitor C 12 another termination helical antennas; The RSSI signal input part of transceiving chip connects the U2A positive pole, and negative pole meets power vd D through resistance R 45, the input of R46 dividing potential drop, connects capacitor C 17 filtering, amplifies the base stage that meets triode Q5 through U2A; The grounded collector of triode Q5, among the IO of its emitter connecting resistance R47 one end, input MCU, resistance R 47 another termination power vd D, transceiving chip meets crystal oscillator Y12, and ARSSI is through capacitor C 49 filtering ground connection; The MCU control circuit is by the minimum system of MCU, indicator of the power supply status LED10, and transceive data status lamp LED11, LED12, LED13, button K11, outputting communication terminal J2 forms, and is used for carrying out information communication with the external control chip.
A kind of embodiment of realizing the utility model purpose is: the working frequency range of described radio receiving transmitting module is selected 433MHz or 2.4GHz.
The beneficial effects of the utility model are:
Because intelligent wireless control terminal described in the utility model comprises microprocessor module, protocol analysis module, TCP/IP interface module, radio interface module and radio receiving transmitting module; Therefore can send control information to the household appliances in the family, realize the transmission of data by radio receiving transmitting module, the working frequency range of radio receiving transmitting module is selected free frequency range 433MHz that need not to apply for or 2.4GHz, utilize radio receiving transmitting module to receive information in the household appliances, simultaneously with domestic electric appliances controller in main MCU carry out data communication, the main MCU control white domestic appliances product in the household electrical appliances is carried out function corresponding.The intelligent wireless control terminal can also carry out interconnected with the Internet network of outside, and the intelligent wireless control terminal can play the effect of white domestic appliances gateway, is can realize interconnected for the wireless product that satisfies different manufacturers.On traditional household appliances, add radio receiving transmitting module, can the transmitting/receiving wireless data message, carry out simple protocol analysis simultaneously.Like this, just realize wireless exchanges data in the whole household electrical appliances, can carry out Based Intelligent Control simultaneously, finished interconnected, the integrated networking control in the whole household electrical appliances.The utility model is formulated control protocol low-cost, that can reduce at white domestic appliances, the communication frequency band (2.4GHz or 433MHz) of license is exempted from selection, the Based Intelligent Control household appliances of the band communication module of supported protocol, support the information sharing of white domestic appliances network, the intelligent wireless control terminal of co-ordination, make and realize information sharing, co-ordination between the white domestic appliances; Have simple and reliable, the easy realization of circuit, cost advantage of reasonable simultaneously.
Description of drawings
Fig. 1 is the schematic block circuit diagram of the total system of the utility model specific embodiment 1.
Fig. 2 is the intelligent wireless control terminal functional block diagram of the utility model specific embodiment 1.
Fig. 3 A is first's circuit theory diagrams of the intelligent wireless control terminal of the utility model specific embodiment 1.
Fig. 3 B is the second portion circuit theory diagrams of the intelligent wireless control terminal of the utility model specific embodiment 1.
Fig. 3 C is the third part circuit theory diagrams of the intelligent wireless control terminal of the utility model specific embodiment 1.
Fig. 4 A is first's circuit theory diagrams of the radio receiving transmitting module of the utility model specific embodiment 1.
Fig. 4 B is the second portion circuit theory diagrams of the radio receiving transmitting module of the utility model specific embodiment 1.
Fig. 5 is the information flow chart of the total system of the utility model specific embodiment 1.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail:
Specific embodiment 1:
See figures.1.and.2 described white domestic appliances wireless data exchange of present embodiment and control system:
1) comprises the tame electronic equipment of intelligent wireless control terminal and several band radio receiving transmitting modules; Described intelligent wireless control terminal comprises microprocessor module, protocol analysis module, TCP/IP interface module, radio interface module and radio receiving transmitting module;
2) described intelligent wireless control terminal is undertaken interconnected by the Internet network of TCP/IP interface module and outside; Described intelligent wireless control terminal carries out message exchange by radio receiving transmitting module and each domestic electric appliances controller; The intelligent wireless control terminal converts the wireless data information of different tame electronic equipments the information packet of same format to by the protocol analysis module, and information packet is sent to the radio receiving transmitting module of each tame electronic equipment by radio receiving transmitting module;
3) each tame electronic equipment is accepted the information packet that above-mentioned radio receiving transmitting module sends over by its radio receiving transmitting module that carries respectively, thereby and carry out protocol analysis and finish information interaction with the intelligent wireless control terminal; Thereby the main MCU that simultaneously information is sent to tame electronic equipment controls main MCU and carries out corresponding actions.
In the present embodiment: described family electronic equipment is white domestic appliances products such as refrigerator, washing machine, air-conditioning and micro-wave oven, and described white domestic appliances product is connected with the intelligent wireless control terminal by the wireless bidirectional communication mode respectively, and exchange pertinent information.The intelligent wireless control terminal is by internet, the external exchange message of mobile radio communication.Above-mentioned information packet is the control information to tame electronic equipment, as the switch household appliances, to the feedback of the selection of product function, control, status information, analysis data of the duty of various household appliances or the like.Above-mentioned protocol analysis module utilizes white domestic appliances general controls agreement to realize protocol analysis.Described intelligent wireless control terminal comprises the communication of wireless appliance product and external data communication two parts.Outside data communication is adopted ICP/IP protocol, add protocol analysis (utilizing white domestic appliances general controls agreement to realize protocol analysis), the main control MCU in the present embodiment circuit carries the TCP/IP controller; Wireless appliance product communication part is utilized IIC or SPI interface, protocol analysis (utilizing white domestic appliances general controls agreement to realize protocol analysis), wireless signal transceiver module.The intelligent wireless control terminal is realized information sharing, co-ordination as the white appliances gateway in the family.In the practical application, described intelligent wireless control terminal can also carry out message exchange with mobile phone.
With reference to Fig. 3 A, Fig. 3 B, Fig. 3 C, the microprocessor module of described intelligent wireless control terminal comprises little process chip MCU, key circuit, display circuit and main memory circuit;
1) described key circuit comprises ten button K1～K10; Described ten buttons respectively have an end to be connected with 82,85,67～64,53～50 pin of MCU respectively, and the other end of described ten buttons also connects the back R14 of passing through, capacitor C 6 to ground;
2) described display circuit comprises two parts, and a part is three light-emitting diode displays, is respectively LED1, LED2, LED3, and the 56th～58 pin of MCU meets three LED to power supply 3.3V by R15, R16, R18 respectively; Another part is 3.5 cun TFT displays, 16 position datawires of TFT display respectively with MCU 32～40,43～45,20,21,74,, 75 pin link to each other, 4 control lines of TFT display link to each other with 68～70,73 pin of MCU, 27 pin of MCU connect triode Q2 base stage by resistance R 22, one end of resistance R 21 connects triode Q2 base stage, the other end arrives ground by resistance R 2, the emitter of triode Q2 is by resistance R 2 ground connection, the collector of triode Q2 links to each other with resistance R 25～R28, and another termination TFT's of resistance R 25～R28 is backlight;
3) described main memory circuit comprises memory chip IC1 and memory chip IC2; The 1st pin of memory chip IC1 is connected with the 63rd pin of MCU, 2 pin of IC1 are connected with 61 pin of MCU, 3 pin of IC1 connect power supply 3.3V by resistance R 8, the 4 pin ground connection of IC1,5 pin of IC1 are connected with 60 pin of MCU, 6 pin of IC1 are connected with 62 pin of MCU, and the 7 pin connecting resistance R9 of IC1 are to power supply 3.3V, and 8 pin of IC1 meet power supply 3.3V; 1 pin of memory chip IC2 is connected with 79 pin of MCU, 2 pin of IC2 are connected with 77 pin of MCU, 3 pin of IC2 connect power supply 3.3V by resistance R 8, the 4 pin ground connection of IC2,5 pin of IC2 are connected with 76 pin of MCU, 6 pin of IC2 are connected with 78 pin of MCU, and the 7 pin connecting resistance R9 of IC2 are to power supply 3.3V, and 8 pin of IC2 meet power supply 3.3V;
4) 46～49 pin of little process chip MCU are connected with 3,5,6,4 pin of CN1 respectively, and CN1 is connected with radio receiving transmitting module; Little process chip MCU itself carries the Internet controller, is connected with external network by CN2, and 1～10 pin of CN2 connects 95～86 pin of MCU respectively, realizes the protocol conversion with outside TCP/IP; 2～8 pin of JP1 are connected with 4,2,3,5,100,1,17 pin of little process chip MCU respectively, 1 pin of JP1 connects the 3.3V power supply, 2,3,4,7 pin are by moving the 3.3V power supply on resistance R 7, R5, R3, the R1,5,6 pin pull down to ground, 9 pin ground connection by resistance R 6, R4, JP1 is a jtag interface, is used for connecting the little process chip MCU of debugging in simulated environment; The peripheral equipment of locating of little process chip MCU also comprises power supply, crystal oscillator Y1, Y2, reset circuit.
Little process chip MCU of described intelligent wireless control terminal is made of 2361 microprocessors of LPC.In 3A, Fig. 3 B, Fig. 3 C, also comprise capacitor C 1, C2, C3, C4, C5, C8, electrochemical capacitor EC1, EC2, resistance R 10, R11, R12, R13, R24, and U2 and LCM0.
With reference to Fig. 4 A, Fig. 4 B, described radio receiving transmitting module is made up of transmission circuit, MCU control circuit; The transceiving chip U5 of transmission circuit selects SI4421 for use, and inductance L 1 receives RF1, the RF2 pin of sending out chip, and inductance L 2 one termination RF1 pin connect capacitor C 10 1 ends, C10 other end ground connection simultaneously; RF2 connects capacitor C 11 1 ends, inductance L 3 one ends, another termination power vd of L3 D; Capacitor C 11 another termination L2 one end, capacitor C 12 1 ends, capacitor C 12 another termination helical antennas; The RSSI signal input part of transceiving chip connects the U2A positive pole, and negative pole meets power vd D through resistance R 45, the input of R46 dividing potential drop, connects capacitor C 17 filtering, amplifies the base stage that meets triode Q5 through U2A; The grounded collector of triode Q5, among the IO of its emitter connecting resistance R47 one end, input MCU, resistance R 47 another termination power vd D, transceiving chip meets crystal oscillator Y12, and ARSSI is through capacitor C 49 filtering ground connection; The MCU control circuit is by the minimum system of MCU, indicator of the power supply status LED10, and transceive data status lamp LED11, LED12, LED13, button K11, outputting communication terminal J2 forms, and is used for carrying out information communication with the external control chip.Also comprise among Fig. 4 A, Fig. 4 B: capacitor C 13, C14, C15, C16, C21, C22, C23, C24, resistance R 50, R51, R52, R53, R54, R58, crystal oscillator Y11 and interface P1, chip U3.
Described radio receiving transmitting module is the critical component in the total system, and its working frequency range is selected 433MHz or 2.4GHz.Described radio receiving transmitting module has following characteristics: low-power consumption, and under the low power consumption standby mode, No. 5 dry cells of 2 joints can be supported 1 node work 6～24 months; Low cost by significantly simplifying agreement, has reduced the requirement to communication controler, and by forecast analysis, with 8051 8 8-digit microcontrollers measuring and calculating, Full Featured host node needs the 32KB code, and the subfunction node is few to the 4KB code; Low rate, be operated in 10～250kbps than low rate, the raw data throughput of 250kbps (2.4GHz) and 10kbps (433MHz) is provided respectively, satisfy the application demand of lower rate transmissions data; Closely, transmission range generally between 10～100m, after increasing the RF emissive power, also rises to 1～3km; Prolong in short-term, response speed is very fast, generally changes duty over to from sleep and only needs 15ms, and the node connection enters network only needs 30ms, has further saved electric energy; High power capacity can adopt starlike, sheet and mesh network topology, and by a host node management plurality of sub node, maximum host nodes can be managed 254 child nodes; Host node also can be formed the big net of 65000 nodes at most by the last layer network node control simultaneously; High safety provides three level security patterns, comprises no security settings, uses Access Control inventory (ACL) to prevent the symmetric cryptography that illegally obtains data and adopt Advanced Encryption Standard (AES 128), to determine its security attribute flexibly; Unlicensed band adopts direct sequence spread spectrum in industrial science medical treatment (ISM) frequency range, 2.4GHz (whole world), 433MHz (China).
Described family electronic equipment is made up of domestic electric appliances controller and radio receiving transmitting module two parts, and radio receiving transmitting module is used for accepting the information of intelligent wireless control terminal, also sends information to the intelligent wireless control terminal; Domestic electric appliances controller is used for controlling the work of white domestic appliances product.
With reference to Fig. 5, system finishes the mutual of information by following flow process and shares:
The intelligent wireless control terminal is received information, and this information comprises two kinds of situations: one, the configuration information of the button of control terminal self; Two, the information of being imported into by the outside can be that internet, tame electronic equipment or other modes are imported.Wireless control terminal resolving information packet: because a lot of different manufacturer production household appliances are arranged, if want to realize exchanges data, must become to meet identical data standard to data-switching, the effect of intelligent wireless control terminal is the data that the wireless data information of different household appliances converted to same format on the one hand, carries out information interaction with outer torus network on the other hand; Wireless control terminal sends information with the information packet that information translation becomes to mate by radio receiving transmitting module.Family's electronic equipment is received information by radio receiving transmitting module, radio receiving transmitting module can play simple protocol analysis function in household appliances simultaneously, finish the information interaction with the intelligent wireless control terminal, the main MCU that simultaneously information is sent to household appliances carries out the control of corresponding execution action; If do not need echo message to the intelligent wireless control terminal, message exchange this time finishes; If necessary, family's electronic equipment sends packet to the intelligent wireless control terminal by radio receiving transmitting module, the intelligent wireless control terminal is accepted the information packet of tame electronic equipment by radio receiving transmitting module, the intelligent wireless control terminal carries out data parsing, convert the packet of wireless control terminal coupling to, and carry out the control corresponding action.So far, the exchange of whole message data finishes, and these information packet are the control informations to household appliances, as the switch household appliances, to the feedback of the selection of product function, control, status information, analysis data of the duty of various household appliances or the like.Described family electronic equipment is white domestic appliances such as refrigerator, washing machine, air-conditioning or micro-wave oven.
The above; it only is the preferable specific embodiment of the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the scope that the utility model discloses; be equal to replacement or change according to the technical solution of the utility model and utility model design thereof, all belonged to protection domain of the present utility model.
Claims (5)
1. white domestic appliances wireless data exchange and control system is characterized in that:
1) comprises the tame electronic equipment of intelligent wireless control terminal and several band radio receiving transmitting modules; Described intelligent wireless control terminal comprises microprocessor module, protocol analysis module, TCP/IP interface module, radio interface module and radio receiving transmitting module;
2) described intelligent wireless control terminal is undertaken interconnected by the Internet network of TCP/IP interface module and outside; Described intelligent wireless control terminal carries out message exchange by radio receiving transmitting module and each tame electronic equipment; The intelligent wireless control terminal converts the wireless data information of different tame electronic equipments the information packet of same format to by the protocol analysis module, and information packet is sent to the radio receiving transmitting module of each tame electronic equipment by radio receiving transmitting module;
3) each tame electronic equipment is accepted the information packet that above-mentioned radio receiving transmitting module sends over by its radio receiving transmitting module that carries respectively, thereby and carry out protocol analysis and finish information interaction with the intelligent wireless control terminal; Thereby the main MCU that simultaneously information is sent to tame electronic equipment controls main MCU and carries out corresponding actions.
2. a kind of white domestic appliances wireless data exchange according to claim 1 and control system is characterized in that; The microprocessor module of described intelligent wireless control terminal comprises little process chip MCU, key circuit, display circuit and main memory circuit;
1) key circuit comprises ten button K1～K10; Described ten buttons respectively have an end to be connected with 82,85,67～64,53～50 pin of MCU respectively, and the other end of described ten buttons also connects the back R14 of passing through, capacitor C 6 to ground;
2) described display circuit comprises two parts, and a part is three light-emitting diode displays, is respectively LED1, LED2, LED3, and the 56th～58 pin of MCU meets three LED to power supply 3.3V by R15, R16, R18 respectively; Another part is 3.5 cun TFT displays, 16 position datawires of TFT display respectively with MCU 32～40,43～45,20,21,74,, 75 pin link to each other, 4 control lines of TFT display link to each other with 68～70,73 pin of MCU, 27 pin of MCU connect triode Q2 base stage by resistance R 22, one end of resistance R 21 connects triode Q2 base stage, the other end arrives ground by resistance R 2, the emitter of triode Q2 is by resistance R 2 ground connection, the collector of triode Q2 links to each other with resistance R 25～R28, and another termination TFT's of resistance R 25～R28 is backlight;
3) described main memory circuit comprises memory chip IC1 and memory chip IC2; The 1st pin of memory chip IC1 is connected with the 63rd pin of MCU, 2 pin of IC1 are connected with 61 pin of MCU, 3 pin of IC1 connect power supply 3.3V by resistance R 8, the 4 pin ground connection of IC1,5 pin of IC1 are connected with 60 pin of MCU, 6 pin of IC1 are connected with 62 pin of MCU, and the 7 pin connecting resistance R9 of IC1 are to power supply 3.3V, and 8 pin of IC1 meet power supply 3.3V; 1 pin of memory chip IC2 is connected with 79 pin of MCU, 2 pin of IC2 are connected with 77 pin of MCU, 3 pin of IC2 connect power supply 3.3V by resistance R 8, the 4 pin ground connection of IC2,5 pin of IC2 are connected with 76 pin of MCU, 6 pin of IC2 are connected with 78 pin of MCU, and the 7 pin connecting resistance R9 of IC2 are to power supply 3.3V, and 8 pin of IC2 meet power supply 3.3V;
4) 46～49 pin of little process chip MCU are connected with 3,5,6,4 pin of CN1 respectively, and CN1 is connected with radio receiving transmitting module; Little process chip MCU itself carries the Internet controller, is connected with external network by CN2, and 1～10 pin of CN2 connects 95～86 pin of MCU respectively, realizes the protocol conversion with outside TCP/IP; 2～8 pin of JP1 are connected with 4,2,3,5,100,1,17 pin of little process chip MCU respectively, 1 pin of JP1 connects the 3.3V power supply, 2,3,4,7 pin are by moving the 3.3V power supply on resistance R 7, R5, R3, the R1,5,6 pin pull down to ground, 9 pin ground connection by resistance R 6, R4, JP1 is a jtag interface, is used for connecting the little process chip MCU of debugging in simulated environment; The peripheral equipment of locating of little process chip MCU also comprises power supply, crystal oscillator Y1, Y2, reset circuit.
3. a kind of white domestic appliances wireless data exchange according to claim 2 and control system is characterized in that: little process chip MCU of described intelligent wireless control terminal is made of 2361 microprocessors of LPC.
4. a kind of white domestic appliances wireless data exchange according to claim 1 and 2 and control system is characterized in that: described radio receiving transmitting module is made up of transmission circuit, MCU control circuit; The transceiving chip U5 of transmission circuit selects SI4421 for use, and inductance L 1 receives RF1, the RF2 pin of sending out chip, and inductance L 2 one termination RF1 pin connect capacitor C 10 1 ends, C10 other end ground connection simultaneously; RF2 connects capacitor C 11 1 ends, inductance L 3 one ends, another termination power vd of L3 D; Capacitor C 11 another termination L2 one end, capacitor C 12 1 ends, capacitor C 12 another termination helical antennas; The RSSI signal input part of transceiving chip connects the U2A positive pole, and negative pole meets power vd D through resistance R 45, the input of R46 dividing potential drop, connects capacitor C 17 filtering, amplifies the base stage that meets triode Q5 through U2A; The grounded collector of triode Q5, among the IO of its emitter connecting resistance R47 one end, input MCU, resistance R 47 another termination power vd D, transceiving chip meets crystal oscillator Y12, and ARSSI is through capacitor C 49 filtering ground connection; The MCU control circuit is by the minimum system of MCU, indicator of the power supply status LED10, and transceive data status lamp LED11, LED12, LED13, button K11, outputting communication terminal J2 forms, and is used for carrying out information communication with the external control chip.
5. a kind of white domestic appliances wireless data exchange according to claim 4 and control system is characterized in that: the working frequency range of described radio receiving transmitting module is selected 433MHz or 2.4GHz.
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| CN201020576576XU CN201974674U (en) | 2010-10-25 | 2010-10-25 | White goods wireless data exchange and control system |
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| CN201020576576XU CN201974674U (en) | 2010-10-25 | 2010-10-25 | White goods wireless data exchange and control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102625185A (en) * | 2012-03-12 | 2012-08-01 | 深圳创维数字技术股份有限公司 | Wireless connector, set-top box and smart appliance control system |
| US11221596B2 (en) | 2015-06-26 | 2022-01-11 | Electrolux Home Products, Inc. | Hub for managing networked household appliances |
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2010
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102625185A (en) * | 2012-03-12 | 2012-08-01 | 深圳创维数字技术股份有限公司 | Wireless connector, set-top box and smart appliance control system |
| CN102625185B (en) * | 2012-03-12 | 2015-11-18 | 深圳创维数字技术有限公司 | A kind of wireless connector, Set Top Box and intelligent appliance control system |
| US11221596B2 (en) | 2015-06-26 | 2022-01-11 | Electrolux Home Products, Inc. | Hub for managing networked household appliances |
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