CN105490358A - Portable intelligent touch panel wireless charging emission device - Google Patents
Portable intelligent touch panel wireless charging emission device Download PDFInfo
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- CN105490358A CN105490358A CN201510390172.9A CN201510390172A CN105490358A CN 105490358 A CN105490358 A CN 105490358A CN 201510390172 A CN201510390172 A CN 201510390172A CN 105490358 A CN105490358 A CN 105490358A
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Abstract
The invention discloses a portable intelligent touch panel with a wireless charging function and a wireless charging emission device. The wireless charging function is achieved by using the portable intelligent touch panel and the wireless charging emission device in a matching way. The portable intelligent touch panel comprises a power unit, a touch sensitive unit, a microcontroller unit (MCU) control unit, a wireless emission modulation unit, a dual-operational amplification unit, a dual-metal oxide semiconductor (MOS) driving unit and an emission coil. The touch panel is used for transmitting a signal to the MCU control unit by sensing the capacitance change of an integrated circuit (IC) and a peripheral circuit detection sensitive point, the MCU control unit is used for sending a corresponding command to a wireless fidelity (Wifi) wireless unit after detecting the signal, the Wifi wireless unit is used for sending the signal to achieve wireless control, meanwhile, the power unit is used for supplying power to the whole system, the power is supplied to the whole system held at a hand by a battery, and the wireless charging function is also supported when the whole system is used at the hand.
Description
Technical field
The present invention relates to the technical field of intelligent touch panel, particularly a kind of portable intelligent contact panel and wireless charging emitter thereof with wireless charging function.
Background technology
In traditional life staying idle at home, the control of light, household electrical appliance mainly realizes by switch.Can say that the birth of traditional touch-tone mechanical switch serves the effect of performing meritorious deeds never to be obliterated for traditional life staying idle at home.But because traditional touch-tone mechanical switch is difficult to the demand meeting users again, and never there is the change of matter, still do not break away from mechanical type contact, and outward appearance is without novelty, does not catch up with Modern Smart Home instructions for use.
Switch control rule lamp becomes history, and traditional switch can not meet the demand of people in many-side.For example: traditional switch panel is directly by controlling the break-make of forceful electric power, thus reach the mechanical switch controlling light fixture or other electrical equipment, during switch, sheet metal friction is large, easy loose contact produces spark and is short-circuited, there is the danger of getting an electric shock, need often maintenance, the life-span of use is short, and inconvenient operation in the dark.Mix and the wall surface switch of unrest not only affects the attractive in appearance of metope, also bring numerous inconvenience to user.Again for example: traditional switch panel is that the break-make by controlling forceful electric power controls, therefore its power line can be a lot, and quantities during wiring is very large, and corresponding cost can be very high.Again for example: traditional switch panel is that the break-make by controlling forceful electric power controls, therefore its power line can be a lot, and quantities during wiring is very large, and corresponding cost can be very high.Traditional panel does not support hand-held mobile use, does not more have wireless charging management function.
Summary of the invention
First object of the present invention is that the shortcoming overcoming prior art is with not enough, a kind of portable intelligent contact panel with wireless charging function is provided, by inducting IC IC(IntegratedCircuit) and peripheral circuit detect the change of induction point electric capacity, MCU (MicrocontrollerUnit) control unit is given signal transmission, MCU control unit detects that signal then sends and orders to Wifi(WirelessFidelity accordingly) radio-cell, Wifi(WirelessFidelity) radio-cell send signal realize controlled in wireless; Simultaneously power subsystem is powered to whole system, hand-held mobile time battery-powered.
Another object of the present invention is to provide a kind of wireless charging emitter, mates use with the above-mentioned portable intelligent contact panel with wireless charging function.
First object of the present invention is achieved through the following technical solutions:
A kind of portable intelligent contact panel with wireless charging function, comprise power subsystem, touch sensing unit, MCU control unit, phonetic function unit, guide-lighting LED unit and Wifi radio-cell, described touch sensing unit is connected with described MCU control unit, described MCU control unit respectively with phonetic function unit, guide-lighting LED unit is connected with Wifi radio-cell, described power subsystem is connected with other units respectively and provides operating voltage, described power subsystem comprises wireless charging receiver module, battery charging management module, USB supply module and reception electricity circle, wherein said wireless charging receiver module is exported being converted into the direct current supply of direct current as described power subsystem by the described air electromagnetic signals receiving the reception of electricity circle, above-mentioned direct current is also the rechargeable battery charging of its inside by described battery charging management module simultaneously, wherein said USB supply module the USB of outside is powered be converted to described power subsystem direct current supply export, simultaneously also by described battery charging management module be its inside rechargeable battery charging, wherein said battery charging management module is that the direct current supply of described power subsystem exports for controlling the charging of rechargeable battery and rechargeable battery.
Preferably, described wireless charging receiver module comprises wireless charging receiving chip BQ51013B, for the described air electromagnetic signals receiving the reception of electricity circle is converted into direct current 5V voltage.
Preferably, described battery charging management module comprises Charge Management controller MCP73811, for controlling charging voltage and the electric current of the rechargeable battery of described battery charging management inside modules;
Described battery charging management module also comprises DC-DC boost chip E50C, and the power supply output voltage for the rechargeable battery by described battery charging management inside modules is upgraded to direct current 5V voltage.
Preferably, described MCU control module adopts enhancement mode STC15F2K60S2 single-chip microcomputer.
Preferably, described Wifi radio-cell comprises chip AR9331, DDR chip H5DU1262GTR-E3C and FLASH chip MX25L3206EM2I-12G.
Another object of the present invention is achieved through the following technical solutions:
Mate with the portable intelligent contact panel with wireless charging function the wireless charging emitter used, comprising: launch MCU control unit, wireless transmission modulating unit, two operation amplifier unit, two MOS driver element and transmitting coil;
Wherein, described transmitting coil is connected with described pair of MOS driver element, and described pair of MOS driver element is connected with described transmitting MCU control unit and described pair of operation amplifier unit respectively, and described transmitting MCU control unit is connected with described wireless transmission modulating unit;
Launch MCU control unit, for the management of wireless charging information and the control of described wireless transmission modulation;
Wireless transmission modulating unit, generates wireless transmission signal for the control information Parameter Modulation according to described transmitting MCU control unit;
Two operation amplifier unit, the secondary coil sensed for transmitting coil described in operation amplifier and reverse operation amplifier connects variable signal, and passes to described transmitting MCU control unit for judging described transmitting coil normally connects with or without secondary coil;
Two MOS driver element, passes to described transmitting coil after the described wireless transmission signal for described wireless transmission modulating unit modulation being generated is modulated into PWM form and launches;
Transmitting coil, for launching the wireless transmission signal of described PWM form, also connects variable signal for inductive secondary simultaneously.
Preferably, described transmitting MCU control unit comprises single chip microcontroller MB95F564K, and described wireless charging information comprises the secondary coil Detection Information of described transmitting coil, the size of radio transmitted power, frequency and charged state.
Preferably, described wireless transmission modulating unit comprises wireless charging transmitting chip CV90312T, for controlling modulating frequency and the transmitted power of modulation signal.
Preferably, described pair of operation amplifier unit comprises two operation amplifier chip LM358SM.
Preferably, described pair of MOS driver element comprises metal-oxide-semiconductor chip AO4838.
The present invention has following advantage and effect relative to prior art:
1) Intelligent touch panel Intelligent touch panel disclosed by the invention is integrated with wireless charging management function; use heavy-duty battery Charge Management IC and the TI company high-performance wireless Charge Management IC of microchip company; can realize at a distance high-power wireless magnetoelectricity conversion comparatively speaking, and the indoor design various kinds of protective circuit moment ensures use safety.
2) Intelligent touch panel Intelligent touch panel disclosed by the invention can not only be fixed on wall use can also portable mobile carry out control operation, not only convenient but also flexibly, meet the experience sense of client;
3) Intelligent touch panel Intelligent touch panel disclosed by the invention uses touch sensible to replace mechanical button, and only need touch induction point gently can trigger; Long service life, mechanical friction, system stability, strong interference immunity, and safe and reliable.
4) the built-in Wifi radio-cell of Intelligent touch panel Intelligent touch panel disclosed by the invention, the wireless telecommunications realized truly control, can portablely in corresponding scene carry simultaneously, the light modulation of many LED illumination lamp can be controlled, toning, also may be used for other electrical equipment control etc., decreases quantities during wiring while having saved cost greatly, and the diversity of control mode can be realized by MCU, control flexibly.
Accompanying drawing explanation
Fig. 1 is a kind of composition frame chart with the portable intelligent contact panel of wireless charging function in the present invention.
Fig. 2 is the composition frame chart of a kind of wireless charging emitter in the present invention.
Fig. 3 is the touch induction circuit in the embodiment of the present invention one.
Fig. 4 is the MCU control circuit in the embodiment of the present invention one.
Fig. 5 is the buzzer phonation circuit in the embodiment of the present invention one.
Fig. 6 (a) is the touch point backlight circuit in the embodiment of the present invention one.
Fig. 6 (b) is the panel backlit circuit in the embodiment of the present invention one.
Fig. 7 (a) is Wifi radio-cell chips AR9331 circuit connection diagram in the embodiment of the present invention one.
Fig. 7 (b) is DDR and FLASH peripheral circuit diagram in Wifi radio-cell in the embodiment of the present invention one.
Fig. 7 (c) is RF signal propagation circuit figure in Wifi radio-cell in the embodiment of the present invention one.
Fig. 8 is system power supply circuit interface figure in the embodiment of the present invention one.
Fig. 9 is the circuit theory diagrams of power subsystem in the embodiment of the present invention one.
Figure 10 is the transmitting MCU control unit chips MB95F564K circuit connection diagram of the embodiment of the present invention two.
Figure 11 is wireless charging transmitting chip CV90312T circuit connection diagram in the wireless transmission modulating unit of the embodiment of the present invention two.
Figure 12 is two operation amplifier chip LM358SM circuit connection diagram in two operation amplifier unit of the embodiment of the present invention two.
Figure 13 is metal-oxide-semiconductor chip AO4838 circuit connection diagram in two MOS driver elements of the embodiment of the present invention two.
Embodiment
For making object of the present invention, technical scheme and advantage clearly, clearly, developing simultaneously referring to accompanying drawing, the present invention is described in more detail for embodiment.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Embodiment one
Refer to Fig. 1, Fig. 1 is the composition frame chart of the portable intelligent contact panel in the present embodiment one with wireless charging function.As shown in Figure 1, the portable intelligent contact panel disclosed in the present embodiment with wireless charging function comprises power subsystem, touch sensing unit, MCU control unit, phonetic function unit, guide-lighting LED unit and Wifi radio-cell.
The annexation of above-mentioned each unit is: touch sensing unit is connected with MCU control unit, MCU control unit is connected with Wifi radio-cell with phonetic function unit, guide-lighting LED unit respectively, and power subsystem is connected with other units respectively and provides operating voltage.
Wherein, power subsystem comprises wireless charging receiver module, battery charging management module, USB supply module and receives electricity circle, wherein wireless charging receiver module is exported being converted into the direct current supply of direct current as power subsystem by the electric air electromagnetic signals enclosing reception of reception, and the rechargeable battery that above-mentioned direct current is also its inside by described battery charging management module simultaneously charges; Wherein USB supply module the USB of outside is powered be converted to power subsystem direct current supply export, simultaneously also by battery charging management module be its inside rechargeable battery charging; Wherein battery charging management module is that the direct current supply of power subsystem exports for controlling the charging of rechargeable battery and rechargeable battery.
The course of work disclosed in the present embodiment with the portable intelligent contact panel of wireless charging function is:
User selects the control model of light by touching corresponding PAD, when staff touches PAD, electric capacity changes, the change of induction point electric capacity is detected by induction IC and peripheral circuit, MCU control unit is given signal transmission, then MCU control unit is come, to user with feedback, to represent and receive instruction by buzzer in guide-lighting LED unit and phonetic function unit.Meanwhile, MCU control unit detects that corresponding instruction is then sent to Wifi radio-cell by UART interface by signal, and Wifi radio-cell sends signal and realizes controlled in wireless; Power subsystem is powered to whole system, hand-held mobile time powered by rechargeable battery.
As shown in Figure 3, wherein touch sensible module have employed the capacitive touch sense IC (modified version) of 5 passage band self-correcting functions, the change of induction point electric capacity can be detected by any non-conductive medium through induction IC and peripheral circuit, and then realize induction " button touch ".
The capacitive touch sense IC of 5 passages is connected with 2 ~ 6 pin of ST05A touch inductor respectively, wherein the port CIN0 ~ CIN4 of the corresponding touch inductor of 2 ~ 6 pin difference.CIN0 ~ CIN4 is that sensitivity arranges port, adjusts sensitivity by external capacitive, and the scope of electric capacity value is 0pf to 50pf.In the present embodiment, CIN0 ~ CIN4 is connected with ground capacity C26 ~ C31 respectively, and wherein the size of electric capacity C26 ~ C31 is 1PF.
ST05A touch inductor can use average electrical capacitance as the capacitance variations of benchmaring induction point.It can carry out inductance capacitance change by any non-conductive medium.Such induction module just can well with water and dust isolation.ST05A has very strong anti-interference and good consistency.Under this chip can be operated in the environment of low-power consumption, when power supply is 5v, operating current is 220ua.
Wherein, RESET port is that low level resets, and there is pull-up resistor inside.If client outside can connect pull-up resistor R32 and the electric capacity C25 to GND to there being particular/special requirement resetting time, when powering on slow (about 50MS), C25 and R32 suggestion 470NF and 200K, common when powering on (within 10MS), with 100NF and 200K.
Corresponding common sensitivity unlatching output mode when MD port meets VDD; When MD port meets GND, corresponding common sensitivity is latched and is exported; MD port connects the corresponding high sensitivity unlatching of 1/2VDD and exports.In the present embodiment, MD port meets VDD, corresponding common sensitivity unlatching output mode.
ST05A touch inductor is with IC2 interface, and IC2 bus is the universal serial bus be made up of data wire SDA and serial time clock line SCL, can transmit and receive data.In the transmitting procedure of information, ST array of touch chip is controlled device (slaver), and main control MCU is main controller (master).The present embodiment does not use I2C to communicate, and SDA port connects low level can make chip not enter battery saving mode.
Touch inductor will detect that capacitance variations is exported by port OUT0 ~ OUT4,14 ~ 10 pin of the corresponding chip of its middle port OUT0 ~ OUT4 difference, port OUT0 ~ OUT4 connects port P3.2, P3.3, P3.4, P3.5, P3.7 of MCU control module respectively by resistance R36 ~ R40.Specifically as shown in Figure 4.
MCU control module adopts enhancement mode STC15F2K60S2 single-chip microcomputer, this STC15F2K60S2 series monolithic is the single-chip microcomputer of single clock/machine cycle (1T) that STC produces, high speed/highly reliable/low-power consumption/superpower jamproof 8051 single-chip microcomputers of new generation, adopt the 8th generation encryption technology, encryption is superpower, the completely compatible tradition 8051 of instruction code, but the fast 8-12 of speed is doubly.Inner integrated high accuracy R/C clock (± 0.3%), ± 1% temperature is waftd (-40 DEG C ~+85 DEG C), under normal temperature, temperature is waftd ± 0.6% (-20 DEG C ~+65 DEG C), 5MHz ~ 35MHz wide region can be arranged, thoroughly can save outside expensive crystal oscillator and external reset circuit (the integrated highly reliable reset circuit in inside, during ISP programming, 8 grades of reset threshold voltages are optional).3 road CCP/PWM/PCA, 8 road 10-bit high speed A/D change (300,000 times/second), built-in 2K byte Large Copacity SRAM, 2 groups of High-speed Asynchronous Secial Communication port (UART1/UART2, can switch between 5 groups of pins, time-sharing multiplex can be made 5 groups of serial ports and use), 1 group of high-speed synchronous communication port SPI, for multi-serial port communication for multi-serial port communication/Electric Machine Control/strong jamming occasion.
Upper figure network label SDA SCL be the interface of I2C standard, it and touch IC(SC05a) communicate, single-chip microcomputer is read by interface and touches director data that IC sends thus carry out the key information that judges to touch; Led1 led2 is the switch of guide-lighting LED, and single-chip microcomputer realizes the Kai Heguan of guide-lighting LED by the conducting and cut-off controlling triode; P1.0 P1.1 P1.2 P1.3 P1.4 port control the leaded light of five touch key-presss respectively; TXD RXD be serial communication, single-chip microcomputer and the wireless transmission carrying out data of Wifi; RST STA SBUF three I/O ports connect with the GPIO of wifi respectively, for guaranteeing that the data transmission between single-chip microcomputer and wifi is normally carried out; BUZ external buzzer is used for voice message.
Fig. 5 is the buzzer phonation circuit of phonetic function unit in the embodiment of the present invention one.Voice message in the present embodiment mainly applies the principle of buzzer sounding, carry out sound production prompt when touch panel controls, export the change of low and high level by single-chip I/O mouth and control the conducting of triode and cut-off thus control buzzer sounding.
Guide-lighting LED unit comprises touch point backlight circuit and panel backlit circuit two parts, and this two-part circuit is respectively as shown in the touch point backlight circuit in Fig. 6 (a) and Fig. 6 (b) and panel backlit circuit.
This part LED in the backlight circuit of touch point provides the backlight of touch point, there is the LED of two kinds of different colours each touch point, only controlled by an I/O port of enhancement mode STC15F2K60S2 single-chip microcomputer in MCU control module, realize the change of different colours, and detected the linking status of Wifi radio-cell by the state variation moment of control LED, user can open and close as required simultaneously.
This part LED in panel backlit circuit is that whole panel is guide-lighting, and realize the visual of night, color is optional, and user can open and close as required simultaneously.
In the present embodiment, Wifi radio-cell produces the chip AR9331 of highly integrated master control and radio communication function and DDR chip H5DU1262GTR-E3C and FLASH chip MX25L3206EM2I-12G primarily of Atheros company to form.
Wifi radio-cell operation principle: store the liunx operating system after bootloader and cutting and data in FLASH chip MX25L3206EM2I-12G, after system electrification, first the chip AR9331 of radio communication function starts bootloader, then start liunx system, now can in DDR chip H5DU1262GTR-E3C working procedure.
AR9331 is mainly used in WLAN (wireless local area network) and router platform, complete compatible IEEE802.11n1 × 1 wireless communication standard and router feature on a single die, the MIPS of processor 24K reaches as high as the processing speed of 400MHZ, there is the external interface of DDR1, DDR2, SDRAM of 16, support that SPI and NORFLASH communicates, do not need outside EEPROM, 4 LAN mouths and 1 WAN mouth, UART at a high speed, I2S/SPDIF audio output interface, support USB2.0 interface, 25M or 40M reference clock inputs.This Wifi radio-cell is not only to realize radio communication, and it realizes being combined with lower floor control module according to communication protocol realizing multiple intelligentized control method just as wireless router.
Fig. 7 (a) is the present embodiment Wifi radio-cell chips AR9331 circuit connection diagram, and as shown in FIG., each pin comprising chip AR9331 connects and decoupling capacitor, hardware setting circuit, reset circuit, clock circuit.Decoupling capacitor ensures the integrality of power supply and signal.Which kind of DDR, electric sequence etc. hardware setting circuit, for arranging with.Reset circuit ensures, when system malfunctions, can restart.Clock circuit provides high precision clock for system cloud gray model.
Fig. 7 (b) is the peripheral circuit diagram of DDR and FLASH in the present embodiment Wifi radio-cell, as described in Figure, the impedance that resistance in the data of DDR chip H5DU1262GTR-E3C and address wire is mainly used on conditioning signal path, also can not connect if layout is ideal.Also have a 3.3V to turn the circuit of 2.5V, be used for powering to DDR chip H5DU1262GTR-E3C.FLASH chip MX25L3206EM2I-12G uses 3.3V to power, and SPI interface transmission data connects pull-up resistor, to ensure to reduce interference, reduces error rates of data.
FLASH chip MX25L3206EM2I-12G pinout information is as follows:
CS# sheet selects;
SI, SIO0 serial date transfer;
SO, SIO1 serial data exports;
SCLK clock inputs;
WP# write-protect;
HOLD# keeps pin, Low level effective, uses when single-chip microcomputer is interrupted;
VCC power supply inputs;
GND ground connection.
DDR chip H5DU1262GTR-E3C pinout information is as follows:
CK, CK# differential clocks inputs;
CKE clock is enable;
CS# sheet selects;
BA0, BA1 memory block is selected;
A0 ~ A11 row, column address inputs;
RAS#, CAS#, WE# instruction inputs;
LDM, UDM Data Labels pin, represents during high level that current data is effective;
The reference clock of LDQS, UDQS data input and output, data receiving terminal determines the interpretation of data according to DQS;
The input and output of DQ data;
VDD, VSS power supply inputs;
VDDQ, VSSQ ground connection;
VREF reference level inputs.
Fig. 7 (c) is RF signal propagation circuit figure in the present embodiment Wifi radio-cell, knows and give RF signal propagation path in figure.When sending data, chip AR9331 launches 2.4G High-frequency differential signals, is converted to single-ended signal, then through match circuit, passes to antenna, convert electrical signals to electromagnetic wave to space radiation by antenna by Ba Lun.During Received signal strength, electromagnetic wave is converted to the signal of telecommunication by antenna, passes to Ba Lun by match circuit, and single-ended signal is converted to differential signal and gives chip AR9331 process by Ba Lun.
Fig. 8 is the system power supply circuit interface figure of power subsystem, as shown in the figure the system power supply circuit of power subsystem and the chip connecting interface of each modular unit, and 5V input voltage is converted to 3.3V and exports for system by chip RT8059.J9 is used for being connected with single-chip microcomputer, mainly contains UART, GPIO interface, is used for carrying out the transmission of data.
RT8059 pinout information is as follows:
1, EN Enable Pin, during input logic high level, chip operation, during input low level, chip enters off state;
2, GND grounding pin;
3, LXPWM exports;
4, VIN power input pin, input voltage range 4.5 to 23V;
5, FB Voltage Feedback pin, when output voltage changes, feeds back to chip to adjust output voltage.
Fig. 9 is the circuit theory diagrams of power subsystem in the present embodiment.In the present embodiment, the operation principle of power subsystem is: the electromagnetic signal received is given to the wireless charging receiving chip BQ51013B process in wireless charging receiver module by receiving coil, thus the direct current of stable output.Contact panel disclosed in the present embodiment has the power supply of three channels to originate as load: use rechargeable battery to power at rechargeable battery (being lithium battery in the present embodiment) electricity time sufficient; When rechargeable battery electricity is not enough, use the USB of the receiving terminal electricity of wireless charging receiver module or the access of USB supply module to power, charged to rechargeable battery by Charge Management controller MCP73811 chip in battery charging management module in these two electricity sources above-mentioned simultaneously.
As shown in Figure 9, wireless charging receiving chip BQ51013B, for being converted into direct current 5V voltage by the described air electromagnetic signals receiving the reception of electricity circle.
Wireless charging receiving chip BQ51013B is the chief component of wireless charging receiver module in power subsystem, and RX coil network is by series resonant capacitance C3, C5, C6, and parallel resonance electric capacity C7, C8 form.These several electric capacity constitute the double-resonant circuit that uses RX coil, the signal of the 110-205KHz received are given to wireless charging receiving chip BQ51013B, after inter-process, export electric energy to load through shunt capacitance.
The effect of wireless charging receiving chip BQ5013 main pin is as follows:
AC1/AC2 AC signal inputs;
OUT DC power supply exports;
PGND ground connection;
EN1EN2 is wired, wireless charging model selection, and 00 represents that AD pin voltage allows wireless charging when being greater than 3.6V;
RECT chip internal synchronous rectifier filtering output end, needs to access filter capacitor.
Again as shown in Figure 9, this circuit also comprises Charge Management controller MCP73811 and DC-DC boost chip E50C, wherein Charge Management controller MCP73811 is for controlling charging voltage and the electric current of the rechargeable battery of described battery charging management inside modules, DC-DC boost chip E50C, the power supply output voltage for the rechargeable battery by described battery charging management inside modules is upgraded to direct current 5V voltage.
Charge Management controller MCP73811 is the chief component of battery charging management module in power subsystem.Charge Management controller MCP73811 manages the discharge and recharge of rechargeable battery, and can be system power supply while battery charging, MCP7381 preset charge voltage be 4.2V, and controlling battery charge is that 50mA is to ensure less caloric value.DC-DC boost chip E50C is boost chip, ensures that system 5V powers.
Microcontroller and emulation semiconductor supplier Microchip (micro-core), the MCP73811 lithium ion/lighium polymer Charge Management controller of release.These simple single cell device adopting five pin SOT-23 to encapsulate, can provide fully integrated Charge Management function, and height are to the optional of 500mA or programmable charge current.They can compatible USB, is equipped with integrated current induction, transmission transistor simultaneously, and reverse battery protection function on plate, can realize smaller and more exquisite, have more cost-benefit design.
MCP73811 Charge Management controller can compatible USB power output specification, can by the USB port power taking on most of personal computer, save the needs connecting external power adapter, user also searches electrical socket everywhere without the need to making or have much ado, and charges for portable electric appts.In addition, these devices have thermal conditioning function on sheet, can reduce charging current when temperature exceeds lsafety level.Their economizations other function of homologous series products, must provide cost-effective charging solution.MCP73811 Charge Management controller is provided with charging and comes into force input, for designer provides open-and-shut use interface.MCP73811 has digital input, can provide again the optional USB charging current of 100mA or 500mA, not need to relate to external module and also can provide required charging current.MCP73811, through external resistor, provides the charging current of being programmed voluntarily by user, allows designer for the special applications of itself, optimizes charging current.
The main pin function of MCP73871 is as follows:
OUT power supply exports;
VPCC voltage and current ratio charge and control;
SEL input type is selected;
VSS battery management is with reference to ground;
The input and output of VBAT anode connect;
VBAT_SENSE battery voltage detection;
CE device charging Enable Pin;
IN power supply inputs.
Embodiment two
Refer to Fig. 2, Fig. 2 is a kind of wireless charging emitter in the present invention, mates support the use with the portable intelligent contact panel with wireless charging function in above-described embodiment one.
As shown in Figure 2, wireless charging emitter disclosed in the present embodiment, specifically comprises: launch MCU control unit, wireless transmission modulating unit, two operation amplifier unit, two MOS driver element and transmitting coil.
The annexation of above-mentioned each module is: transmitting coil is connected with two MOS driver element, and two MOS driver element is connected with transmitting MCU control unit and two operation amplifier unit respectively, launches MCU control unit and is connected with wireless transmission modulating unit.
Wherein, launch MCU control unit, for the management of wireless charging information and the control of described wireless transmission modulation;
Wireless transmission modulating unit, generates wireless transmission signal for the control information Parameter Modulation according to described transmitting MCU control unit;
Two operation amplifier unit, the secondary coil sensed for transmitting coil described in operation amplifier and reverse operation amplifier connects variable signal, and passes to described transmitting MCU control unit for judging described transmitting coil normally connects with or without secondary coil;
Two MOS driver element, passes to described transmitting coil after the described wireless transmission signal for described wireless transmission modulating unit modulation being generated is modulated into PWM form and launches;
Transmitting coil, for launching the wireless transmission signal of described PWM form, also connects variable signal for inductive secondary simultaneously.
As shown in the transmitting MCU control unit chip MB95F564K circuit connection diagram of Figure 10 embodiment of the present invention two, single chip microcontroller MB95F564K is used for the management of wireless charging information and the control of wireless transmission modulation; Wherein wireless charging information comprises the secondary coil Detection Information of described transmitting coil, the size of radio transmitted power, frequency and charged state.
Single chip microcontroller MB95F564K is the core component launching MCU control unit, and this Series of MCU not only comprises reduced instruction set computer, and built-in multiple peripheral functionality.Adopt FUJITSUFlexible
Microcontroller-8FXCPU kernel, supports main oscillations clock and secondary running clock, supports clock synchronous serial data transmission and the transmission of clock asynchronous serial data.
The main pin function of single chip microcontroller MB95F564K is as follows:
X0X1 master clock input (also can save, use chip internal clock);
Vss power supply input grounding pin;
X0AX1A clock input;
Vcc power supply 5V inputs;
The input of P00-P07 universal input, output port;
RST reset pin (Low level effective).
Also known from Figure 10, this circuit comprises red blue two LEDs, is used for doing the instruction of charged state, and red expression does not connect, and blue expression connects normally, but does not represent and charging.
As shown in wireless charging transmitting chip CV90312T circuit connection diagram in the wireless transmission modulating unit of Figure 11 embodiment of the present invention two, wireless charging transmitting chip CV90312T is for controlling modulating frequency and the transmitted power of modulation signal.
Wireless charging transmitting chip CV90312T is the core component of wireless transmission modulating unit, CV90312T is mainly used to do the modulation that wireless charging transmits, such as which kind of frequency DC power signal is modulated to, when power etc., these are all carry out under the control of launching MCU control unit.
The main pin function of CV90312T is as follows:
Pwrpdriver0 power supply inputs;
Rbias biasing resistor incoming end;
Rosc clock frequency control resistance input;
SDASCLI2C interface;
GND power ground.
As shown in operation amplifier chip LM358SM circuit connection diagram two in two operation amplifier unit of Figure 12 embodiment of the present invention two, two operation amplifier chip LM358SM inputs to MCU by oppositely amplifying a rear road from the grid current of metal-oxide-semiconductor in two MOS driver element, another road also inputs to transmitting MCU control unit after comparator, to launch the state that MCU control unit judges to transmit.
Two operation amplifier chip LM358SM is the core component of two operation amplifier unit, dual operational amplifier LM358SM inside include two independently, high-gain, internal frequency compensate dual operational amplifier, be suitable for the very wide single supply of supply voltage scope to use, also duplicate supply mode of operation is applicable to, under the condition of work of recommending, source current and supply voltage have nothing to do.Its scope of application comprises the occasion of the use operational amplifier of sensor amplifier, DC current gain module and other all available single power supplies.
As shown in metal-oxide-semiconductor chip AO4838 circuit connection diagram in two MOS driver elements of Figure 13 embodiment of the present invention two, metal-oxide-semiconductor chip AO4838 comprises two big current metal-oxide-semiconductors, under the control of wireless charging transmitting chip CV90312T, according to the instruction of launching single chip microcontroller MB95F564K in MCU control unit, realize switching, thus current-modulation become the form of PWM to send.C1, C2, C3, C4 and wireless transmission coils connected in series, realize resonance.
Metal-oxide-semiconductor chip AO4838 is the core component of two MOS driver element, chip AO4838 be the U.S. all ages company produce reinforced insulation grid (MOSFET) metal-oxide-semiconductor chip, have 2 N raceway grooves (two), material adopts GE-N-FET germanium N raceway groove, adopts SOP-8 encapsulation.
In sum, a kind of wireless charging emitter disclosed in the present embodiment two, mate with the portable intelligent contact panel with wireless charging function in above-described embodiment one and support the use, specific works process is summarized as: launch MCU control unit and determine whether secondary coil connection by the change detecting signal on transmitting coil, connect the normal rear information according to receiving, the concussion frequency of adjustment primary coil, starts to send normal electric power.In the process, launch MCU control unit as control end, control the parameter of wireless charging transmitting chip CV90312T, two signal processing section of operation amplifier chip LM358SM in two operation amplifier unit, in two MOS driver element, metal-oxide-semiconductor chip AO4838 is actual executor.
Above-described embodiment is the present invention's preferably execution mode; but embodiments of the present invention are not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present invention and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1. one kind has the portable intelligent contact panel of wireless charging function, comprise power subsystem, touch sensing unit, MCU control unit, phonetic function unit, guide-lighting LED unit and Wifi radio-cell, described touch sensing unit is connected with described MCU control unit, described MCU control unit is connected with Wifi radio-cell with phonetic function unit, guide-lighting LED unit respectively, described power subsystem is connected with other units respectively and provides operating voltage, it is characterized in that:
Described power subsystem comprises wireless charging receiver module, battery charging management module, USB supply module and receives electricity circle, wherein said wireless charging receiver module is exported being converted into the direct current supply of direct current as described power subsystem by the described air electromagnetic signals receiving the reception of electricity circle, and above-mentioned direct current is also the rechargeable battery charging of its inside by described battery charging management module simultaneously; Wherein said USB supply module the USB of outside is powered be converted to described power subsystem direct current supply export, simultaneously also by described battery charging management module be its inside rechargeable battery charging; Wherein said battery charging management module is that the direct current supply of described power subsystem exports for controlling the charging of rechargeable battery and rechargeable battery.
2. the portable intelligent contact panel with wireless charging function according to claim 1, is characterized in that,
Described wireless charging receiver module comprises wireless charging receiving chip BQ51013B, for the described air electromagnetic signals receiving the reception of electricity circle is converted into direct current 5V voltage.
3. the portable intelligent contact panel with wireless charging function according to claim 1, is characterized in that,
Described battery charging management module comprises Charge Management controller MCP73811, for controlling charging voltage and the electric current of the rechargeable battery of described battery charging management inside modules;
Described battery charging management module also comprises DC-DC boost chip E50C, and the power supply output voltage for the rechargeable battery by described battery charging management inside modules is upgraded to direct current 5V voltage.
4. the portable intelligent contact panel with wireless charging function according to claim 1, is characterized in that:
Described MCU control module adopts enhancement mode STC15F2K60S2 single-chip microcomputer.
5. the portable intelligent contact panel with wireless charging function according to claim 1, is characterized in that:
Described Wifi radio-cell comprises chip AR9331, DDR chip H5DU1262GTR-E3C and FLASH chip MX25L3206EM2I-12G.
6. one kind mates with the described portable intelligent contact panel with wireless charging function arbitrary in Claims 1 to 5 the wireless charging emitter used, it is characterized in that, comprising: launch MCU control unit, wireless transmission modulating unit, two operation amplifier unit, two MOS driver element and transmitting coil;
Wherein, described transmitting coil is connected with described pair of MOS driver element, and described pair of MOS driver element is connected with described transmitting MCU control unit and described pair of operation amplifier unit respectively, and described transmitting MCU control unit is connected with described wireless transmission modulating unit;
Launch MCU control unit, for the management of wireless charging information and the control of described wireless transmission modulation;
Wireless transmission modulating unit, generates wireless transmission signal for the control information Parameter Modulation according to described transmitting MCU control unit;
Two operation amplifier unit, the secondary coil sensed for transmitting coil described in operation amplifier and reverse operation amplifier connects variable signal, and passes to described transmitting MCU control unit for judging described transmitting coil normally connects with or without secondary coil;
Two MOS driver element, passes to described transmitting coil after the described wireless transmission signal for described wireless transmission modulating unit modulation being generated is modulated into PWM form and launches;
Transmitting coil, for launching the wireless transmission signal of described PWM form, also connects variable signal for inductive secondary simultaneously.
7. wireless charging emitter according to claim 6, it is characterized in that, described transmitting MCU control unit comprises single chip microcontroller MB95F564K, and described wireless charging information comprises the secondary coil Detection Information of described transmitting coil, the size of radio transmitted power, frequency and charged state.
8. wireless charging emitter according to claim 6, is characterized in that, described wireless transmission modulating unit comprises wireless charging transmitting chip CV90312T, for controlling modulating frequency and the transmitted power of modulation signal.
9. wireless charging emitter according to claim 6, is characterized in that, described pair of operation amplifier unit comprises two operation amplifier chip LM358SM.
10. wireless charging emitter according to claim 6, is characterized in that, described pair of MOS driver element comprises metal-oxide-semiconductor chip AO4838.
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| CN201510390172.9A CN105490358A (en) | 2015-07-03 | 2015-07-03 | Portable intelligent touch panel wireless charging emission device |
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| CN201510390172.9A CN105490358A (en) | 2015-07-03 | 2015-07-03 | Portable intelligent touch panel wireless charging emission device |
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| CN110165742A (en) * | 2019-06-05 | 2019-08-23 | 杭州鸿雁电器有限公司 | Panel device |
| CN110571949A (en) * | 2018-11-13 | 2019-12-13 | 厦门新页微电子技术有限公司 | Built-in crystal oscillator accurate frequency-fixing system applied to wireless charging |
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Address after: 528322, Foshan District, Guangdong City, Shunde province Leliu Street Office Village Village Road, No. one or two, 1, A District Applicant after: GUANGDONG CLOUD LIGHTING INFORMATION TECHNOLOGY CO.,LTD. Address before: 528322, Foshan District, Guangdong City, Shunde province Leliu Street Office Village Village Road, No. one or two, 1, A District Applicant before: Guangdong Shunde cloud control lighting Mdt InfoTech Ltd. Address after: 528322, Foshan District, Guangdong City, Shunde province Leliu Street Office Village Village Road, No. one or two, 1, A District Applicant after: Guangdong Shunde cloud control lighting Mdt InfoTech Ltd. Address before: 528322 Leliu Longsheng industrial zone, Shunde District, Guangdong, Foshan Province, 2-1 (1) A24 Applicant before: Foshan Road Lighting Co.,Ltd. |
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Effective date of registration: 20161101 Address after: 528322 Leliu Longsheng industrial zone, Shunde District, Guangdong, Foshan Province, 2-1 (1) A24 Applicant after: Foshan Road Lighting Co.,Ltd. Address before: 528322 Guangdong Province, Foshan city Shunde District Leliu Street three Yuyuan village Qingyuan Industrial Zone No. 1 (B) of Applicant before: GUANGDONG YUNKONG LIGHTING TECHNOLOGY CO.,LTD. |
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Application publication date: 20160413 |
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