The content of the invention
The technical problem to be solved in the present invention is not enough for more than, there is provided a kind of intelligent hand with double bluetooth modules
Ring, using the Intelligent bracelet of the present invention, realizes following purpose:
1st, the alternate functions between two Bluetooth chips, can significantly reduce power consumption, extend cruising time.No user is sent a telegram here
When, Intelligent bracelet is in motion tracking state, at this moment only Bluetooth chip U1 work, for process time data and the acceleration number of degrees
According to;When there is phone to squeeze into, Bluetooth chip U1 quits work, while Bluetooth chip U8 starts working, at this moment Intelligent bracelet is suitable
In a bluetooth earphone, facilitate user and other people voice call, by the alternation between two Bluetooth chips, reduce hand
The power consumption of ring, extends cruising time, can be extended to 15 days in bracelet cruising time, when being that like product is continued a journey in the market
Between twice.
2nd, function is more, collect meter step with Sleep-Monitoring function, voice call, music, display, prompting and real time charging in
Integrally, power saving, intelligent, wireless, portable.
3rd, a kind of dormancy storehouse is provided, makes dormancy storehouse that there is portable power source feature, consumer can pass through USB interface and lithium electricity
Two methods of pond charge, and facilitate real time charging.
In order to solve above technical problem, the present invention is employed the following technical solutions:A kind of intelligence with double bluetooth modules
Bracelet, it is characterised in that including the motion tracking module and bluetooth earphone module of electrical connection;
The motion tracking module is used to collecting, arrange and analyzing motion, dormant data, and transfers data to intelligent hand
Machine APP is shown, or time data and intelligent mobile telephone incoming call information transmission are shown to display screen, and vibration is played to user
Reminding effect;
The bluetooth earphone module is used to complete voice call function, and when without incoming call, bluetooth earphone module is closed, and is worked as
There is phone to squeeze into, bluetooth earphone module starts, user carries out voice call by pressing Answer Key, bluetooth ear after call is completed
Machine module is closed.
A kind of prioritization scheme, the motion tracking module include electrically connect bluetooth module, display module, real-time clock mould
Block, vibration module, sensor assembly and power module;
The bluetooth module for sensor assembly is transmitted Data Collection, arrange and analyze, and can be by current data
Send mobile phone A PP to be shown, the data that reception real-time clock is transmitted, and time data be sent to into display module and show,
Also receive the incoming information that transmits of mobile phone A PP and be sent to display module and shows, while sending vibrating alert instruction, prompting user
There is phone to squeeze into;
The display module is OLED display screen, is electrically connected with Bluetooth chip U1, for the letter after bluetooth module is processed
Cease and show on screen, allow user to take the time in real time and incoming information;
The real-time clock module(14)Electrically connect with Bluetooth chip U1, external 32.768KHZ crystal oscillators, for year, the moon,
Day, when, minute, second carry out accurate timing;
The vibration module is electrically connected with bluetooth module, to user's vibrating alert during for calling;
Sensor assembly includes that gravity sensor U5, gravity sensor U5 are electrically connected with bluetooth module, for gathering human body
Motion and dormant data, and related data be sent to into bluetooth module processed, user's step is calculated by related algorithm
These data can be intuitively shown to user by number, calorie consumption and sleep quality situation, mobile phone A PP, with to user movement and
Health plan provides reference;
Power module is for bluetooth module, display module, real-time clock module, vibration module, sensor assembly and indigo plant
Tooth handset module is powered.
The bluetooth module includes Bluetooth chip U1, crystal oscillator module, Anneta module, reseting module and electric power detection
Module;For providing frequency of oscillation to Bluetooth chip U1, Anneta module is used to complete between smart mobile phone crystal oscillator module
Wireless telecommunications, model NRF51822-CEAA-R of Bluetooth chip U1;
The crystal oscillator module includes electric capacity C5, electric capacity C6 and crystal oscillator X1, the A2 foot meridian capacitor C6 of Bluetooth chip U1
Ground connection, the A3 foot meridian capacitors C5 ground connection of Bluetooth chip U1, the indirect crystal oscillator X1 of the A2 and A3 pin of Bluetooth chip U1;
The Anneta module includes antenna ANT1, inductance L1, inductance L2, electric capacity C13, electric capacity C11 and Signal Regulation chip
U2, model NRF02D3 of Signal Regulation chip U2,1 pin of Signal Regulation chip U2 meet one end of inductance L1, electric capacity C13
One end, the other end ground connection of inductance L1, one end of another termination inductance L2 of electric capacity C13 and antenna ANT1, inductance L2's is another
End ground connection;2 pin of Signal Regulation chip U2 connect the E1 pin Jing electric capacity C11 of Bluetooth chip U1 and are grounded, and the 3 of Signal Regulation chip U2
Pin connects the D1 pin of Bluetooth chip U1, and 5 pin of Signal Regulation chip U2 connect the C1 pin of Bluetooth chip U1.
A kind of prioritization scheme, the reseting module include FET Q1, resistance R4, resistance R5, resistance R6, resistance R7,
Resistance R8, resistance R9, resistance R10, electric capacity C8, electric capacity C9, electric capacity C12, diode D1 and diode D2, the type of FET Q1
Number it is 2SK3541, the drain electrode of FET meets the J2 pin of Bluetooth chip U1, one end of resistance R5, one end of electric capacity C8, resistance R5
Another termination 1.8V power supply, the other end ground connection of electric capacity C8, the grid of FET meet one end of electric capacity C12, resistance R8
One end, the positive pole of diode D1, the other end ground connection of electric capacity C12, one end of the negative pole connecting resistance R9 of diode D1, resistance R8
The other end, the negative pole of diode D2, one end of resistance R7, one end of resistance R10, another termination of resistance R9 connect 1.8V power supplys,
The plus earth of diode D2, the other end Jing reset switch SW of resistance R10 connect lithium battery VBAT, another termination electricity of resistance R7
One end of resistance R6, one end of resistance R9, the H1 pin of Bluetooth chip U1.
A kind of prioritization scheme, the electric power detection module include FET Q2, resistance R1, resistance R2, resistance R3, electric capacity
C1, model RYM002N05 of FET Q2, the source electrode of FET Q2 meet lithium battery, FET Q2 by resistance R1
One end of grid connecting resistance R3, the F9 pin of Bluetooth chip U1, the other end ground connection of resistance R3, the drain electrode of FET Q2 connect electricity
One end of resistance R2, one end of electric capacity C1, the H9 pin of Bluetooth chip U1, the other end of resistance R2, the other end ground connection of electric capacity C1.When
When electric quantity of lithium battery is sufficient, the voltage between the grid and source electrode of FET Q2 is less, and NMOS FET Q2 are not turned on, and work as lithium
When battery electric quantity is relatively low, the voltage between the grid and source electrode of FET Q2 is larger, NMOS FETs Q2 conductings, Bluetooth chip
U1 detects battery electric quantity deficiency, reminds user to charge.
A kind of prioritization scheme, the display module include OLED display screen, connector modules, resistance R11, resistance R12, electricity
Resistance R13, electric capacity C14, electric capacity C15;Connector modules include connector J1, model BL310 of connector J1, connector J1's
2 pin, 5 pin, 10 pin and 11 pin ground connection, 3 pin connect 1.8V power supplys, and 4 pin connect the C9 pin of Bluetooth chip U1, one end of resistance R11,6 pin
The D9 pin of Bluetooth chip U1, one end of resistance R12,7 pin connect the E9 pin of Bluetooth chip U1, one end of resistance R13, resistance R11, electricity
Resistance R12, another termination 1.8V power supply of resistance R13,8 foot meridian capacitor C14 ground connection, 9 pin connect 12V power supplys, and 11 foot meridian capacitor C15 connect
1.8V power supply;
The OLED display screen is inserted on connector J1, and 3 pin and 9 pin provide 1.8V power supplys and 12V power supplys respectively, and 4 pin are
The resetting pin position of display screen, is resetted by the C9 pin control display screen of Bluetooth chip U1, the communication between display screen and Bluetooth chip U1
Using I2C bus protocols, 6 pin are SCLK pin, are serial time clock line, are that data send and receive offer synchronizing clock signals, 7
Pin is SDA pin, is serial data line, for receiving the data of Bluetooth chip U1 transmissions.Display module(12)Bluetooth can be received
The data of chip U1 process, and it is shown to user.
A kind of prioritization scheme, the vibration module include switching Q3, electric capacity C16, electric capacity C17, electric capacity C18, vibrating motor
With voltage stabilizing chip U3, model ES6U2T2R of Q3 is switched, model SGM2031 of voltage stabilizing chip U3 switchs 1 pin and indigo plant of Q3
The A7 pin of tooth chip U1 connect, and switch the 2 pin ground connection of Q3, and 3 pin connect 5 pin, 6 pin and vibrating motor negative pole, and 4 pin connect electric capacity C17's
One end, one end of electric capacity C18,1 pin of voltage stabilizing chip U3 and vibrating motor positive pole, the other end of electric capacity C17, electric capacity C18 it is another
One end is grounded, and 3 pin of voltage stabilizing chip U3 connect the A6 pin of Bluetooth chip U1, and 4 pin of voltage stabilizing chip U3 meet one end the Jing of electric capacity C16
Insurance B1 meets VSYS, and VSYS is power module, the other end ground connection of electric capacity C16;
The real-time clock module includes clock chip U4, crystal oscillator X2, resistance R14, resistance R15, resistance R16, electric capacity C19
And C20, model S35390A of clock chip U4, one end of the 1 pin connecting resistance R16 of clock chip U4, the J5 of Bluetooth chip U1
Pin, one end of the 6 pin connecting resistance R15 of clock chip U4, the J3 pin of Bluetooth chip U1, the 7 pin connecting resistance R14's of clock chip U4
One end, the J4 pin of Bluetooth chip U1, the other end of resistance R14, the other end of resistance R15, another termination 1.8V electricity of resistance R16
Source, the 3 pin Jing C20 ground connection of the indirect crystal oscillator X2 of 3 pin and 2 pin of clock chip U4, clock chip U4, the 8 pin Jing of clock chip U4
C19 is grounded, and 8 pin of clock chip U4 connect 3.7V power supplys.
A kind of prioritization scheme, the real-time clock module connect 3.7V power supplys by 8 pin of clock chip U4 and power, 2 pin and 3 pin
Indirect 32.768KHZ crystal oscillators, can be logical between clock chip and Bluetooth chip U1 to year, month, day, hour, min, second accurate timing
Using I2C bus protocols, 6 pin are SCL pin to news, are serial time clock line, are that data send and receive offer synchronizing clock signals,
7 pin are SDA pin, are serial data line, for Bluetooth chip U1 transmissions or receiving data, 1 pin to interrupt terminal, interrupt by output
Signal or clock pulse signal.The time data that display module shows is produced by this module;
The sensor assembly includes gravity sensor U5, electric capacity C21 and C22, the model of gravity sensor U5
1 pin of BMA250E, gravity sensor U5 is connected with the J6 pin of Bluetooth chip U1,2 pin and the Bluetooth chip U1 of gravity sensor U5
H5 connect, 5 pin of gravity sensor U5 are connected with the H4 pin of Bluetooth chip U1,6 pin of gravity sensor U5 and Bluetooth chip
The H6 pin of U1 connect, and 10 pin of gravity sensor U5 are connected with the J8 pin of Bluetooth chip U1,12 pin and the indigo plant of gravity sensor U5
The J7 pin of tooth chip U1 connect, the 3 foot meridian capacitor C21 of gravity sensor U5 ground connection, and it is electric that 3 pin of gravity sensor U5 meet 1.8V
Source, the 4 pin ground connection of gravity sensor U5, the 7 foot meridian capacitor C22 ground connection of gravity sensor U5,7 pin of gravity sensor U5 connect
1.8V power supplys, 8 pin of gravity sensor U5,9 pin and 11 pin ground connection;
The gravity sensor U5 is electrically connected with Bluetooth chip U1, can be gathered the step number of user's traveling and be sent it to
U1 process.When user is on foot, the acceleration in three directions can be detected with the motion of arm and body, U5,
Being then delivered to U1 carries out process conversion according to corresponding algorithm, and user can be obtained by the exercise data of oneself.
A kind of prioritization scheme, the power module include the first change-over circuit and the second change-over circuit, the first change-over circuit
For obtaining 12V DC voltages, the second change-over circuit is used to obtain 1.8V DC voltages;
First change-over circuit include resistance R17, resistance R18, resistance R19, resistance R20, electric capacity C23, electric capacity C24,
Electric capacity C25, electric capacity C26, electric capacity C27, diode D7, inductance L3, switch Q5, switch Q6 and photovoltaic conversion chip U6, voltage turn
Change model TPS61041 of chip U6,1,7 pin of photovoltaic conversion chip U6 are grounded, and 2 pin of photovoltaic conversion chip U6,3 pin connect
The source electrode of switch Q5, one end of electric capacity C23, one end of electric capacity C24, one end of inductance L3, another terminating diode of inductance L3
The positive pole of D7, one end of the negative pole connecting resistance R19 of diode D7, one end of electric capacity C25, one end of electric capacity C26, electric capacity C27
9 pin of the connector J1 of one end and display module, the other end of another termination capacitor C25 of resistance R19, one end of resistance R20
And 4 pin of photovoltaic conversion chip U6, the other end of resistance R20, the other end of electric capacity C23, the other end of electric capacity C24, electric capacity C26
The other end, the other end ground connection of electric capacity C27, the grid for switching Q5 connects the drain electrode of switch Q6, and resistance R18 is connected to switch Q5
Between the drain electrode of grid and switch Q5, the source ground of Q6 is switched, the grid Jing resistance R17 for switching Q6 meet the B5 of Bluetooth chip U1
Pin, the drain electrode for switching Q5 connect the second change-over circuit;
Second change-over circuit include resistance R21, resistance R22, resistance R23, electric capacity C28, electric capacity C29, electric capacity C30,
Electric capacity C31, electric capacity C32, electric capacity C33, electric capacity C34, inductance L4, diode D3, diode D4, diode D5, diode D6, open
Close Q4, switch Q7, switch Q8 and photovoltaic conversion chip U7, model TPS62243 of photovoltaic conversion chip U7, photovoltaic conversion core
The 1 pin Jing inductance L4 of piece U7 be followed by the B8 pin of Bluetooth chip U1, one end of resistance R23, one end of electric capacity C33, the one of electric capacity C34
End, the drain electrode of switch Q7,3 pin of photovoltaic conversion chip U7, the source electrode for switching Q7 connect 3 pin of connector J1 in display module, open
The grid for closing Q7 connects the source electrode of switch Q8, the other end of resistance R23, switchs the grounded drain of Q8, and the grid for switching Q8 connects bluetooth
The A5 pin of chip U1, the other end of electric capacity C33, the other end ground connection of electric capacity C34, the 4 pin connecting resistance R22 of photovoltaic conversion chip U7
One end, one end of electric capacity C32, the negative pole of diode D4, the negative pole of diode D5, the negative pole of diode D6, resistance R22's is another
One end, the other end ground connection of electric capacity C32, the resistance R9 and resistance R7 in the positive pole Jing reseting modules of diode D4 connect Bluetooth chip
The H1 pin of U1, the positive pole of diode D5 connect the E8 pin of Bluetooth chip U1, one end of the positive pole connecting resistance R21 of diode D6, switch
The 5V power supplys of the grid, the positive pole of diode D3 and USB interface input of Q4, the other end ground connection of resistance R21, switch the drain electrode of Q4
One end, the lithium battery of electric capacity C28 are connect, the source electrode for switching Q4 connects 4 of voltage stabilizing chip U3 in the negative pole of diode D3, vibration module
After pin, one end of electric capacity C29, Jing insurances B2 connects one end of electric capacity C31, one end of electric capacity C32,5 pin of photovoltaic conversion chip U7,
The other end of electric capacity C28, the other end of electric capacity C29, the other end of electric capacity C30, the other end ground connection of electric capacity C31.
A kind of prioritization scheme, the bluetooth earphone module include electrically connect Bluetooth chip U8, crystal oscillator module, day
Wire module, audio input output module, outer memory module and reset circuit, model CSR8610 of Bluetooth chip U8;
, for processing to speech data, crystal oscillator module is for carrying to Bluetooth chip U8 for the Bluetooth chip U8
For frequency of oscillation, Anneta module is used to completing the data transfer with mobile phone terminal, audio input output module include 1 microphone and
1 loudspeaker, microphone are transmitted to mobile phone terminal Jing after Bluetooth chip U8 process for receiving user's voice messaging, and loudspeaker are used for will
The speech data from mobile phone terminal of Bluetooth chip U8 process is played back;
The Anneta module includes antenna ANT2, electric capacity C35, electric capacity C36, inductance L5 and Signal Regulation chip U9, antenna
ANT2 connects one end of electric capacity C35, one end of inductance L5, the other end ground connection of electric capacity C35, another termination capacitor C36 of inductance L5
One end, 2 pin of Signal Regulation chip U9, the other end ground connection of electric capacity C36,4 pin of Signal Regulation chip U9 connect Bluetooth chip
The A3 pin of U8, crystal oscillator X3 are connected between the C1 pin of Bluetooth chip U8 and B1 pin;
The audio input output module include loudspeaker, microphone, electric capacity C50, electric capacity C51, electric capacity C52, electric capacity C53,
Inductance L8, resistance R26, resistance R27, loudspeaker positive pole are connected with the A4 pin of Bluetooth chip U8, the B4 pin of negative pole and Bluetooth chip U8
Connect, one end Jing inductance L8 of microphone meet one end of electric capacity C50, one end of electric capacity C53, one end of resistance R26, electric capacity C53
The other end ground connection, the A10 pin of another termination Bluetooth chip U8 of electric capacity C50, the one of another termination capacitor C51 of resistance R26
End, one end of resistance R27, the A9 pin of another termination Bluetooth chip U8 of electric capacity C51, another termination Bluetooth chip of resistance R27
The B9 pin of U8, one end of electric capacity C52, the other end ground connection of electric capacity C52;
The outer memory module includes electricallyerasable ROM (EEROM) U10, resistance R29, resistance R30, resistance R31, electricity
Hold C54, model 24AA014 of electricallyerasable ROM (EEROM) U10,5 pin of electricallyerasable ROM (EEROM) U10 connect bluetooth core
The G2 pin of piece U8, one end of resistance R29,6 pin of electricallyerasable ROM (EEROM) U10 are connected with the F2 pin of Bluetooth chip U8, electricity
One end of resistance R30,7 pin of electricallyerasable ROM (EEROM) U10 are connected with the E2 pin of Bluetooth chip U8, one end of resistance R31, electricity
The other end of resistance R29, the other end of resistance R30,8 pin of another termination electricallyerasable ROM (EEROM) U10 of resistance R31, electricity
Hold one end and the 1.8V power supplys of C54, the other end ground connection of electric capacity C54,1,2,3 and 4 pin of electricallyerasable ROM (EEROM) U10 connect
Ground;
The reset circuit includes MOS switch Q11, resistance R34 and resistance R35, electric capacity C56, and the source electrode for switching Q11 connects
Ground, switchs one end of drain electrode connecting resistance R34 of Q11, one end of electric capacity C56, the J3 pin of Bluetooth chip U8, resistance R34 it is another
Termination 1.8V power supplys, the other end ground connection of electric capacity C56, switch one end of the grid connecting resistance R35 of Q11, the G2 of Bluetooth chip U1
Pin, the other end ground connection of resistance R35.
After the present invention adopts above technical scheme, compared with prior art, with advantages below:Using double Bluetooth chips,
Integrate meter step and Sleep-Monitoring function, voice call, music, display and real time charging, with power saving, intelligence, nothing
Line, it is portable the characteristics of, by the alternate functions between two Bluetooth chips, bracelet power consumption can be significantly reduced, power consumption is on the market
The 1/2 of like product, is greatly improved the cruising time of product, is the twice in like product cruising time in the market.
By adding lithium battery in dormancy storehouse, make dormancy storehouse that there is portable power source feature, consumer can pass through USB interface
Charge with two methods of lithium battery, facilitate consumer's real time charging.
The present invention is described in detail with reference to the accompanying drawings and examples.
Embodiment, as shown in figure 1, a kind of Intelligent bracelet, is supported the use with the smart mobile phone with blue tooth communication function, by
Annulus 1, Intelligent bracelet main body 2 and chargeable 3 three part of dormancy storehouse composition.
Annulus 1 includes wrist strap housing 6 and two wrist straps 5, has after coordinating to be fixed in wrist on two wrist straps 5
Buckle 4;Wrist strap housing 6 is used for accommodating and fixed Intelligent bracelet main body 2, has junction button 7 on wrist strap housing 6, and junction button 7 can be by
Intelligent bracelet main body 2 is fixed in wrist strap housing 6 or discharges Intelligent bracelet main body 2;Chargeable dormancy storehouse 3 is for giving bluetooth hand
Ring main body charges, and the contact that dormancy storehouse upper casing has protrusion can be charged with the contact of 2 belly of Intelligent bracelet main body, chargeable to stop
There is magnet at the 3 charging electric shock of dormancy storehouse, automatic absorbing is charged in dormancy storehouse when Intelligent bracelet main body 2 is near dormancy storehouse.
As shown in Fig. 2 Intelligent bracelet main body 2 includes motion tracking module 9 and the bluetooth earphone module 10 for electrically connecting;Motion
Tracing module 9 is used to collecting, arrange and analyzing motion, dormant data, and transfers data to smart mobile phone APP and shown,
Or time data and intelligent mobile telephone incoming call information transmission are shown to OLED display screen, and vibrating alert effect is played to user.
Bluetooth earphone module 10 is used to complete voice call function, and when without incoming call, bluetooth earphone module 10 is closed, and is worked as
There is phone to squeeze into, bluetooth earphone module 10 starts, user carries out voice call by pressing Answer Key, bluetooth after call is completed
Handset module 10 is closed.
Motion tracking module 9 include electrically connect bluetooth module 11, display module 12, real-time clock module 14, vibration mould
Block 13, sensor assembly 15 and power module 16.
Bluetooth module 11 for sensor assembly 15 is transmitted Data Collection, arrange and analyze, and can be by current data
Send mobile phone A PP to be shown, the data that reception real-time clock is transmitted, and time data is sent to into display module 12 and show
Show, also receive the incoming information that transmits of mobile phone A PP and be sent to display module 12 and show, while sending vibrating alert instruction, carry
Awake user has phone to squeeze into.
Display module 12 adopts an OLED display screen, electrically connects with Bluetooth chip U1, for by after Bluetooth chip U1 process
Information show on screen, allow user to take the time in real time and incoming information.
Real-time clock module 14 is electrically connected with Bluetooth chip U1, external 32.768KHZ crystal oscillators, for year, month, day, when,
Minute, second carries out accurate timing.
Vibration module 13 is electrically connected with Bluetooth chip U1, to user's vibrating alert during for calling.
Sensor assembly 15 includes gravity sensor U5 and peripheral circuit, and gravity sensor U5 is electrically connected with Bluetooth chip U1
Connect, for gathering motion and the dormant data of human body, and related data is sent to into bluetooth module 11 is processed, by correlation
Algorithm calculates user's step number, calorie consumption and sleep quality situation, and these data can be intuitively shown to use by mobile phone A PP
Family, to provide reference to user movement and health plan.
Power module 16 is for bluetooth module 11, display module 12, real-time clock module 14, vibration module 13, sensing
Device module 15 and bluetooth earphone module 10 are powered.
As shown in figure 3, bluetooth module 11 includes Bluetooth chip U1, crystal oscillator module 17, Anneta module 18, reset mould
Block 23 and electric power detection module 24;Crystal oscillator module 17 for give Bluetooth chip U1 provide frequency of oscillation, Anneta module 18
For completing the wireless telecommunications between smart mobile phone.Model NRF51822-the CEAA-R of Bluetooth chip U1;
Crystal oscillator module 17 includes electric capacity C5, electric capacity C6 and crystal oscillator X1, and the A2 foot meridian capacitor C6 of Bluetooth chip U1 connect
Ground, the A3 foot meridian capacitors C5 ground connection of Bluetooth chip U1, the indirect crystal oscillator X1 of the A2 and A3 pin of Bluetooth chip U1.
Anneta module 18 includes antenna ANT1, inductance L1, inductance L2, electric capacity C13, electric capacity C11 and Signal Regulation chip U2,
Model NRF02D3 of Signal Regulation chip U2,1 pin of Signal Regulation chip U2 connect one end of inductance L1, the one of electric capacity C13
End, the other end ground connection of inductance L1, one end of another termination inductance L2 of electric capacity C13 and antenna ANT1, the other end of inductance L2
Ground connection;2 pin of Signal Regulation chip U2 connect the E1 pin Jing electric capacity C11 ground connection of Bluetooth chip U1,3 pin of Signal Regulation chip U2
The D1 pin of Bluetooth chip U1 are connect, 5 pin of Signal Regulation chip U2 connect the C1 pin of Bluetooth chip U1.
Reseting module 23 includes FET Q1, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, electricity
Resistance R10, electric capacity C8, electric capacity C9, electric capacity C12, diode D1 and diode D2, model 2SK3541 of FET Q1, field effect
Should the drain electrode of pipe connect the J2 pin of Bluetooth chip U1, one end of resistance R5, one end of electric capacity C8, another termination 1.8V electricity of resistance R5
Source, the other end ground connection of electric capacity C8, the grid of FET are just meeting one end of electric capacity C12, one end of resistance R8, diode D1
Pole, the other end ground connection of electric capacity C12, one end of the negative pole connecting resistance R9 of diode D1, the other end of resistance R8, diode D2
Negative pole, one end of resistance R7, one end of resistance R10, another termination of resistance R9 connect 1.8V power supplys, and the positive pole of diode D2 connects
Ground, the other end Jing reset switch SW of resistance R10 connect lithium battery VBAT, one end of another terminating resistor R6 of resistance R7, resistance
One end of R9, the H1 pin of Bluetooth chip U1.When reset switch SW is opened, FET Q1 does not work, FET Q1 drain electrodes
For high level, Bluetooth chip U1 normal works, when reset switch SW is closed, lithium battery provides grid electricity to FET Q1
Pressure, FET Q1 conductings, FET Q1 drain electrodes are low level, when the J2 pins of Bluetooth chip U1 detect low level, blue
Tooth chip U1 resets.
Electric power detection module 24 includes FET Q2, resistance R1, resistance R2, resistance R3, electric capacity C1, FET Q2's
Model RYM002N05, the source electrode of FET Q2 connect lithium battery by resistance R1, the grid connecting resistance R3's of FET Q2
One end, the F9 pin of Bluetooth chip U1, the other end ground connection of resistance R3, one end of the drain electrode connecting resistance R2 of FET Q2, electric capacity
One end of C1, the H9 pin of Bluetooth chip U1, the other end of resistance R2, the other end ground connection of electric capacity C1.When electric quantity of lithium battery abundance
When, the voltage between the grid and source electrode of FET Q2 is less, and NMOS FET Q2 are not turned on, when electric quantity of lithium battery it is relatively low
When, the voltage between the grid and source electrode of FET Q2 is larger, and NMOS FETs Q2 conductings, Bluetooth chip U1 detect battery
Not enough power supply, reminds user to charge.
Bluetooth chip U1 receives real-time clock module, the data of sensor assembly collection, after treatment, is sent to display
Device module shows that Bluetooth chip U1 is realized by Anneta module 18 with the communication of mobile phone terminal, and incoming information passes through Anneta module 18
After reception, Bluetooth chip U1 is sent to display apparatus module through process and shows, Bluetooth chip U1 can also be by the motion number of user
Mobile phone terminal is sent to according to by Anneta module 18, facilitates user's real time inspection exercise data of oneself.
Crystal oscillator module 17 has the ability of extraordinary frequency stability and anti-external interference, for producing benchmark
Frequency, controls the accuracy of Bluetooth chip U1 internal frequencies.
The control Bluetooth chip U1 of reseting module 23 resets, and prevents from sending the instruction of mistake, performs the operation of mistake, it is also possible to
Electro Magnetic Compatibility is improved, prevents deadlock, program from walking the phenomenon such as winged.
Electric power detection module 24 is used for the electricity for monitoring battery, and Monitoring Data is sent to Bluetooth chip U1 process, works as battery
When electricity is too low, user is reminded to charge to Intelligent bracelet.
As shown in figure 4, display module 12 includes OLED display screen, connector modules, resistance R11, resistance R12, resistance
R13, electric capacity C14, electric capacity C15;Connector modules include connector J1, model BL310 of connector J1, the 2 of connector J1
Pin, 5 pin, 10 pin and 11 pin ground connection, 3 pin connect 1.8V power supplys, and 4 pin connect the C9 pin of Bluetooth chip U1, one end of resistance R11, and 6 pin are blue
The D9 pin of tooth chip U1, one end of resistance R12,7 pin connect the E9 pin of Bluetooth chip U1, one end of resistance R13, resistance R11, resistance
Another termination 1.8V power supply of R12, resistance R13,8 foot meridian capacitor C14 ground connection, 9 pin connect 12V power supplys, and 11 foot meridian capacitor C15 connect
1.8V power supply.
OLED display screen is inserted on connector J1, and 3 pin and 9 pin provide 1.8V power supplys and 12V power supplys respectively, and 4 pin are display
The resetting pin position of screen, is resetted by the C9 pin control display screen of Bluetooth chip U1, and the communication between display screen and Bluetooth chip U1 is adopted
I2C bus protocols, 6 pin are SCLK pin, are serial time clock line, are that data send and receive offer synchronizing clock signals, and 7 pin are
SDA pin, are serial data line, for receiving the data of Bluetooth chip U1 transmissions.Display module 12 can receive Bluetooth chip U1
The data of process, and it is shown to user.
As shown in figure 5, vibration module 13 includes switching Q3, electric capacity C16, electric capacity C17, electric capacity C18, vibrating motor and voltage stabilizing
Chip U3, switchs model ES6U2T2R of Q3, and model SGM2031 of voltage stabilizing chip U3 switchs 1 pin and Bluetooth chip of Q3
The A7 pin of U1 connect, and switch the 2 pin ground connection of Q3, and 3 pin connect 5 pin, 6 pin and vibrating motor negative pole, and 4 pin connect one end of electric capacity C17, electricity
Hold one end, 1 pin of voltage stabilizing chip U3 and the vibrating motor positive pole of C18, the other end of electric capacity C17, another termination of electric capacity C18
Ground, 3 pin of voltage stabilizing chip U3 connect the A6 pin of Bluetooth chip U1, and 4 pin of voltage stabilizing chip U3 meet one end the Jing insurance B1 of electric capacity C16
Meet VSYS, VSYS is power module 16, the other end ground connection of electric capacity C16.
The stabilized input voltage that power module is provided by voltage stabilizing chip U3 in vibration module 13, in 3.0V, is that vibrating motor is supplied
Electricity, switch Q3 are electrically connected with Bluetooth chip U1, and Bluetooth chip U1 is turned on and off by pulse width modulation controlling switch Q3,
So as to control vibrating motor.When there is phone to squeeze into, U1 carries to switch mono- pulse signal of Q3, control vibrating motor vibration
Awake user has new incoming call.
As shown in fig. 6, real-time clock module 14 includes clock chip U4, crystal oscillator X2, resistance R14, resistance R15, resistance
R16, electric capacity C19 and C20, model S35390A of clock chip U4, one end of the 1 pin connecting resistance R16 of clock chip U4, indigo plant
The J5 pin of tooth chip U1, one end of the 6 pin connecting resistance R15 of clock chip U4, the J3 pin of Bluetooth chip U1, the 7 of clock chip U4
One end of pin connecting resistance R14, the J4 pin of Bluetooth chip U1, the other end of resistance R14, the other end of resistance R15, resistance R16
Another termination 1.8V power supplys, the 3 pin Jing C20 ground connection of the indirect crystal oscillator X2 of 3 pin and 2 pin of clock chip U4, clock chip U4, clock
The 8 pin Jing C19 ground connection of chip U4,8 pin of clock chip U4 connect 3.7V power supplys.
Real-time clock module 14 connects 3.7V power supplys by 8 pin of clock chip U4 and powers, and 2 pin and the indirect 32.768KHZ of 3 pin are brilliant
Shake, year, month, day, hour, min, second accurate timing, the communication between clock chip and Bluetooth chip U1 can be assisted using I2C buses
View, 6 pin are SCL pin, are serial time clock line, are that data send and receive offer synchronizing clock signals, and 7 pin are SDA pin, be string
Row data wire, for Bluetooth chip U1 transmissions or receiving data, 1 pin exports interrupt signal or clock pulses to interrupt terminal
Signal.The time data that display module shows is produced by this module.
As shown in fig. 7, sensor assembly 15 includes gravity sensor U5, electric capacity C21 and C22, the type of gravity sensor U5
Number it is BMA250E, 1 pin of gravity sensor U5 connects with the J6 pin of Bluetooth chip U1,2 pin and bluetooth core of gravity sensor U5
The H5 of piece U1 connects, and 5 pin of gravity sensor U5 are connected with the H4 pin of Bluetooth chip U1,6 pin of gravity sensor U5 and bluetooth
The H6 pin of chip U1 connect, and 10 pin of gravity sensor U5 are connected with the J8 pin of Bluetooth chip U1,12 pin of gravity sensor U5
Connect with the J7 pin of Bluetooth chip U1, the 3 foot meridian capacitor C21 ground connection of gravity sensor U5,3 pin of gravity sensor U5 meet 1.8V
Power supply, the 4 pin ground connection of gravity sensor U5, the 7 foot meridian capacitor C22 ground connection of gravity sensor U5,7 pin of gravity sensor U5 connect
1.8V power supplys, 8 pin of gravity sensor U5,9 pin and 11 pin ground connection.
Gravity sensor U5 is electrically connected with Bluetooth chip U1, can gather the step number of user's traveling and send it to U1
Row is processed.When user is on foot, the acceleration in three directions can be detected with the motion of arm and body, U5, then
Being sent to U1 carries out process conversion according to corresponding algorithm, and user can be obtained by the exercise data of oneself.
As shown in figure 8, power module 16 includes the first change-over circuit 29 and the second change-over circuit 30, the first change-over circuit 29
For obtaining 12V DC voltages, the second change-over circuit 30 is used to obtain 1.8V DC voltages.
First change-over circuit 29 includes resistance R17, resistance R18, resistance R19, resistance R20, electric capacity C23, electric capacity C24, electricity
Hold C25, electric capacity C26, electric capacity C27, diode D7, inductance L3, switch Q5, switch Q6 and photovoltaic conversion chip U6, photovoltaic conversion
Model TPS61041 of chip U6,1, the 7 pin ground connection of photovoltaic conversion chip U6,2 pin of photovoltaic conversion chip U6,3 pin connect out
The source electrode of pass Q5, one end of electric capacity C23, one end of electric capacity C24, one end of inductance L3, another terminating diode D7 of inductance L3
Positive pole, one end of the negative pole connecting resistance R19 of diode D7, one end of electric capacity C25, one end of electric capacity C26, the one of electric capacity C27
9 pin of the connector J1 of end and display module 12, the other end of another termination capacitor C25 of resistance R19, one end of resistance R20
And 4 pin of photovoltaic conversion chip U6, the other end of resistance R20, the other end of electric capacity C23, the other end of electric capacity C24, electric capacity C26
The other end, the other end ground connection of electric capacity C27, the grid for switching Q5 connects the drain electrode of switch Q6, and resistance R18 is connected to switch Q5
Between the drain electrode of grid and switch Q5, the source ground of Q6 is switched, the grid Jing resistance R17 for switching Q6 meet the B5 of Bluetooth chip U1
Pin, the drain electrode for switching Q5 connect the second change-over circuit 30.
First change-over circuit 29 for providing 12V power supplys to display screen, voltage conversion chip U6 can by USB interface and
Lithium battery two ways is powered, and which is internal with switch mosfet, and the switch conduction when input voltage, FB pin can detect output
Voltage.The B5 pin of Bluetooth chip U1 control the first change-over circuit 29 by the break-make for controlling Q5, Q6 and the power supply of display module are supplied
Should, so as to control display module.
Second change-over circuit 30 includes resistance R21, resistance R22, resistance R23, electric capacity C28, electric capacity C29, electric capacity C30, electricity
Hold C31, electric capacity C32, electric capacity C33, electric capacity C34, inductance L4, diode D3, diode D4, diode D5, diode D6, switch
Q4, switch Q7, switch Q8 and photovoltaic conversion chip U7, model TPS62243 of photovoltaic conversion chip U7, photovoltaic conversion chip
The 1 pin Jing inductance L4 of U7 be followed by the B8 pin of Bluetooth chip U1, one end of resistance R23, one end of electric capacity C33, the one of electric capacity C34
End, the drain electrode of switch Q7,3 pin of photovoltaic conversion chip U7, the source electrode for switching Q7 connect 3 pin of connector J1 in display module 12,
The grid of switch Q7 connects the source electrode of switch Q8, the other end of resistance R23, switchs the grounded drain of Q8, and the grid for switching Q8 connects indigo plant
The A5 pin of tooth chip U1, the other end of electric capacity C33, the other end ground connection of electric capacity C34, the 4 pin connecting resistances of photovoltaic conversion chip U7
One end of R22, one end of electric capacity C32, the negative pole of diode D4, the negative pole of diode D5, the negative pole of diode D6, resistance R22
The other end, the other end ground connection of electric capacity C32, the resistance R9 and resistance R7 in the positive pole Jing reseting modules 23 of diode D4 connect indigo plant
The H1 pin of tooth chip U1, the positive pole of diode D5 connect the E8 pin of Bluetooth chip U1, and the one of the positive pole connecting resistance R21 of diode D6
The 5V power supplys of end, the grid of switch Q4, the positive pole of diode D3 and USB interface input, the other end ground connection of resistance R21, switch
The drain electrode of Q4 connects one end, the lithium battery of electric capacity C28, and the source electrode for switching Q4 connects voltage stabilizing in the negative pole of diode D3, vibration module 13
After 4 pin of chip U3, one end of electric capacity C29, Jing insurances B2 connects one end of electric capacity C31, one end of electric capacity C32, photovoltaic conversion chip
5 pin of U7, the other end of electric capacity C28, the other end of electric capacity C29, the other end of electric capacity C30, the other end ground connection of electric capacity C31.
, for providing 1.8V power supplys to Bluetooth chip U1 and display screen, voltage conversion chip U7 can be with for second change-over circuit 30
Powered by USB interface and lithium battery two ways, switch to 1.8V voltages after the voltage of input is converted to Bluetooth chip U1 and
Display screen is powered, the enable port of the H1 foot control U7 of Bluetooth chip U1.
As shown in figure 9, bluetooth earphone module 10 includes Bluetooth chip U8, the crystal oscillator module 19, antenna for electrically connecting
Module 20, audio input output module 21, outer memory module 22 and reset circuit;Bluetooth chip U8 is for entering to speech data
Row is processed, and for providing frequency of oscillation to Bluetooth chip U8, Anneta module 20 is used to complete and mobile phone crystal oscillator module 19
The data transfer at end, audio input output module 21 include 1 microphone and 1 loudspeaker, and microphone is used to receive user's language
Message breath is transmitted to mobile phone terminal Jing after Bluetooth chip U8 process, and loudspeaker are for the language from mobile phone terminal that processes Bluetooth chip U8
Sound data playback is out.Outer memory module 22 is 1Kbit electricallyerasable ROM (EEROM) U10.
Model CSR8610 of Bluetooth chip U8, Anneta module 20 include antenna ANT2, electric capacity C35, electric capacity C36, inductance
L5 and Signal Regulation chip U9, antenna ANT2 connect one end of electric capacity C35, one end of inductance L5, and the other end of electric capacity C35 is grounded,
One end of another termination capacitor C36 of inductance L5,2 pin of Signal Regulation chip U9, the other end ground connection of electric capacity C36, signal are adjusted
4 pin of section chip U9 connect the A3 pin of Bluetooth chip U8, and crystal oscillator X3 is connected between the C1 pin of Bluetooth chip U8 and B1 pin.
Audio input output module 21 includes loudspeaker, microphone, electric capacity C50, electric capacity C51, electric capacity C52, electric capacity C53, electricity
Sense L8, resistance R26, resistance R27, loudspeaker positive pole connected with the A4 pin of Bluetooth chip U8, the B4 pin phases of negative pole and Bluetooth chip U8
Connect, one end Jing inductance L8 of microphone connect one end of electric capacity C50, one end of electric capacity C53, one end of resistance R26, electric capacity C53's
The other end is grounded, the A10 pin of another termination Bluetooth chip U8 of electric capacity C50, one end of another termination capacitor C51 of resistance R26,
One end of resistance R27, the A9 pin of another termination Bluetooth chip U8 of electric capacity C51, another termination Bluetooth chip U8's of resistance R27
One end of B9 pin, electric capacity C52, the other end ground connection of electric capacity C52.
The voice messaging of microphone receive user is sent to Anneta module Jing after the DSP encoding and decoding inside Bluetooth chip U8
20, it is then delivered to mobile phone terminal;The voice messaging that mobile phone terminal is received, also can be inside Jing U8 Jing after the reception of Anneta module 20
Loudspeaker output is sent to after DSP encoding and decoding.
Outer memory module 22 includes electricallyerasable ROM (EEROM) U10, resistance R29, resistance R30, resistance R31, electric capacity
C54, model 24AA014 of electricallyerasable ROM (EEROM) U10,5 pin of electricallyerasable ROM (EEROM) U10 connect Bluetooth chip
The G2 pin of U8, one end of resistance R29,6 pin of electricallyerasable ROM (EEROM) U10 are connected with the F2 pin of Bluetooth chip U8, resistance
One end of R30,7 pin of electricallyerasable ROM (EEROM) U10 are connected with the E2 pin of Bluetooth chip U8, one end of resistance R31, resistance
The other end of R29, the other end of resistance R30,8 pin of another termination electricallyerasable ROM (EEROM) U10 of resistance R31, electric capacity
One end of C54 and 1.8V power supplys, the other end ground connection of electric capacity C54,1,2,3 and 4 pin of electricallyerasable ROM (EEROM) U10 connect
Ground.
The information such as 22 storage address of outer memory module and data, which adopts I2C agreements with the communication between Bluetooth chip U8,
5 pin are serial data line, and for sending and receiving address and data, 6 pin are serial time clock line, there is provided synchronizing clock signals.
Reset circuit includes MOS switch Q11, resistance R34 and resistance R35, electric capacity C56, switchs the source ground of Q11, opens
One end of the drain electrode connecting resistance R34 of pass Q11, one end of electric capacity C56, the J3 pin of Bluetooth chip U8, another termination of resistance R34
1.8V power supplys, the other end ground connection of electric capacity C56, switch one end of the grid connecting resistance R35 of Q11, the G2 pin of Bluetooth chip U1, electricity
The other end ground connection of resistance R35.
The reset of Bluetooth chip U8 is controlled by Bluetooth chip U1, and it is to close to switch Q11 at ordinary times, is drained as high electricity
Flat, when Bluetooth chip U1 sends reset signal, Q11 grids are high level, and Q11 conductings, drain electrode are changed into low level, Bluetooth chip
U8 resets after detecting low level.
As shown in Figure 10, chargeable dormancy storehouse 3 includes lithium battery BT, USB interface, charge management module, voltage conversion mould
Block 25, battery protection module 26, charge management module include charge management circuit 27 and electric power management circuit 28.
Chargeable dormancy storehouse 3 passes through USB interface and built-in lithium battery BT and provides power supply, voltage conversion mould to Intelligent bracelet
Block 25 completes Charge Management and voltage transformation, cell voltage is converted into 5V voltages and is charged to Intelligent bracelet, facilitate user real-time
Charge;Charge management module is used for the constant-current constant-voltage charging for ensureing battery.
Charge management circuit 27 includes charging management chip U11, resistance R38, resistance R39, light emitting diode D8, diode
D9 and electric capacity C59, model 2YL6 of charging management chip U11, the 2 pin ground connection of charging management chip U11, charging management chip
3 pin of U11 connect the positive pole of lithium battery BT, one end of electric capacity C59, and the other end of electric capacity C59 is grounded, and the 4 of charging management chip U11
Pin connects the positive pole of diode D9, the positive pole of light emitting diode D8 and USB interface, and the negative pole Jing resistance R38 of light emitting diode D8 connect
1 pin of charging management chip U11, the negative pole of diode D9 connect electric power management circuit 28, and the 5 pin Jing of charging management chip U11 are electric
Resistance R39 ground connection.
Charge management circuit 27 is used for the Charge Management of internal lithium battery, it is ensured that the constant-current constant-voltage charging of lithium battery, when giving
When battery charges, status indicator LED amount, when charging is complete, LED goes out.BAT pin are charging current output pin, there is provided charge electricity
Flow to lithium battery.
Electric power management circuit 28 includes charging management chip U12, resistance R40, resistance R42, resistance R43, light emitting diode
D11, electric capacity C61, electric capacity C62, model 2YL6 of charging management chip U12, the 1 pin Jing resistance of charging management chip U12
R42, light emitting diode D11 meet voltage transformation module 25, the negative pole of diode D9,4 pin of charging management chip U12, resistance R43
One end, 3 pin of another termination charging management chip U12 of resistance R43, one end of electric capacity C61, one end of electric capacity C62 and company
1 pin of device J2 is connect, electric capacity C61, the other end of electric capacity C62,2 pin of charging management chip U12, the 2 pin ground connection of connector J2 are filled
The 5 pin Jing resistance R40 ground connection of electric managing chip U12, the 3 pin Jing contacts of charging management chip U12, i.e. connector J2 is to intelligent hand
Ring charges.
Electric power management circuit 28 is used for the power management of Intelligent bracelet lithium battery, it is ensured that the constant-current constant-voltage charging of lithium battery,
When the battery cell is charged, status indicator LED amount, when charging is complete, LED goes out, and can be powered by USB interface, it is also possible to by lithium
Battery is powered.BAT pin are charging current output pin, give Intelligent bracelet lithium cell charging by J2.
Voltage transformation module 25 includes voltage conversion chip U13, resistance R36, resistance R37, electric capacity C57, electric capacity C58, electricity
Sense L9 and diode D10, model MCP1640 of voltage conversion chip U13,1 pin of voltage conversion chip U13 is Jing after inductance L9
Connect 3 pin of voltage conversion chip U13, one end of 4 pin and electric capacity C57, the positive pole of lithium battery BT, the other end ground connection of electric capacity C57,
One end of 5 pin connecting resistance R36 of voltage conversion chip U13, one end of electric capacity C58, the positive pole of diode D10, resistance R36's is another
One end of one terminating resistor R37,6 pin of voltage conversion chip U13, the other end of resistance R37, the other end ground connection of electric capacity C58,
The negative pole of diode D10 connects the negative pole of diode D9.
4 pin of voltage conversion chip U13 connect lithium battery, provide 3.7V input voltages, the MOS inside Jing U13 by lithium battery
After pipe boosting, 5.0V voltages are exported by 5 pin, be that Intelligent bracelet charges.
Battery protection module 26 is battery protection chip U14, and model TF5358A of battery protection chip U14, battery are protected
1 pin of shield chip U14 is hanging, and 2 pin are connected with the negative pole of lithium battery BT, and 3 pin are connected with the positive pole of lithium battery BT, and 4 pin and 5 pin connect
Ground.
3 pin of battery protection chip U14 connect the positive pole of lithium battery, and 2 pin connect the negative pole of lithium battery, with overcharging protection, mistake
Put protection, overcurrent protection, short-circuit protection and support the complete li-ion cell protection functions such as reversal connection, and with very little work
Electric current, can extend the life-span of battery.
USB interface includes USB-CONNERTOR, resistance R41, electric capacity C60,1 pin of USB interface connect one end of electric capacity C60,
4 pin of charging management chip U11, the other end Jing resistance R41 ground connection of electric capacity C60,4 pin of USB interface, 5 pin ground connection.
The Intelligent bracelet of the present invention, its main operational principle is that smart mobile phone can be with motion tracking module 9 and bluetooth ear
Machine module 10 sets up wireless connection simultaneously, and when user is in motion or sleep state, bluetooth earphone module 10 is closed, this luck
In dynamic tracing module 9, gravity sensor gathers the data of human body, and Jing bluetooth modules 11 are sent to smart mobile phone, and mobile phone A PP can be divided
Analysis processes exercise data, and to show the step number of user, calorie consumption, sleep quality etc., bluetooth module 11 is by real-time clock mould
OLED display screen is sent to after the data processing that the transmission of block 14 comes to show, when there is incoming call, mobile phone A PP can be wireless by incoming information
Bluetooth module 11 is sent to, OLED display screen is sent to Jing after processing and is shown, and remind user to have incoming call by vibrating motor, when
When user presses Answer Key, you can carry out voice call, after call is completed, bluetooth earphone module 10 is closed, and so substantially can be dropped
Low-power consumption, power consumption are the 1/2 of current like product on the market, hence it is evident that improve the cruising time of product;Meanwhile, by by lithium battery
BT is built in dormancy storehouse, and user can pass through USB interface or built-in lithium battery BT charges, and facilitate user without external power supply situation
Under give bracelet charge, realize bracelet real time charging.
One skilled in the art would recognize that above-mentioned specific embodiment is exemplary, it is in order that ability
Field technique personnel can be better understood from present invention, should not be understood as limiting the scope of the invention, and motion is chased after
, using structure of the invention, chargeable dormancy storehouse is not limited to the structure in the present invention, also may be used for track module and bluetooth earphone module
To adopt traditional or other structures or mode to be charged;Other modules or circuit are also as a same reason;Above example
For optimized technical scheme, as long as according to technical solution of the present invention improvements introduced, each fall within protection scope of the present invention.