CN105005192B - A kind of pointer type intelligent clock - Google Patents
A kind of pointer type intelligent clock Download PDFInfo
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- CN105005192B CN105005192B CN201510382520.8A CN201510382520A CN105005192B CN 105005192 B CN105005192 B CN 105005192B CN 201510382520 A CN201510382520 A CN 201510382520A CN 105005192 B CN105005192 B CN 105005192B
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Abstract
A kind of pointer type intelligent clock of the present invention belongs to quartz clock design field, especially designs a kind of design method of the pointer type intelligent clock based on bimodulus bluetooth.A kind of pointer type intelligent clock, including clock face, pointer, movement, it further includes movement gear-box and movement driving circuit, movement driving circuit is rechargeable battery powered by 4.2V, standby clock module is connected on movement driving circuit, movement driving circuit is also associated with temperature humidity sensor module, flammable and toxic gas detection module, PM2.5 particle detections module and low-power consumption bimodulus Bluetooth interface module simultaneously, and audio decoder and power amplifier module and TF memory card modules are also associated on low-power consumption bimodulus Bluetooth interface module.The present invention realizes clock towards intelligent, hommization and network homeization development, this is an inexorable trend of current high speed network informationized society.
Description
Technical field
A kind of pointer type intelligent clock of the present invention belongs to quartz clock design field, especially designs a kind of finger
Pin type multifunctional intellectual clock.
Background technology
The quartz clock that can automatically control prover time of the pointer-type occurred currently on the market, there are mainly three types of：
The first, is powered by 220V AC powers, is obtained by local area ethernet or 485 networks or internet in network
Center master clock or ntp server obtain the standard time, be then the automatic time service of quartz analog clock terminal.
This product disadvantage:
（1）It is unable to battery powered；（2）It needs to obtain time service by wired network, generally requires and move in building in user
Communications network interface and feed cable are just laid with during fitting up the early period of object, mostly applied to office building, hospital, railway, square
Public arenas are waited, it is unsuitable civilian, and power consumption is big, expensive, it is necessary to which real-time online is powered.
Second, pointer clock does not have to cable network in itself, directly receives GPS signal time service, but to set up longer outdoor
Antenna because not receiving GPS information generally at home and in office building room, is unfavorable for installing and construct, and need 220V
Power supply is powered online, is not suitable for interior independent utility occasion.
The third, electric wave pointer clock：
Beijing standard time radio signal emitted by receiving China national time service center electric wave tower (Henan Shangqiu)
BPC (frequency 68.5KHz) is converted using clock embedded micro-processor, is controlled walking about for clock, make clock display time and Beijing
Standard time keeps precisely consistent.It powers by common batteries, and built-in aerial receives long-wave time service radio signals, in building
Long wave radio station time signal is decoded to obtain standard time information.This product disadvantage:（1）Although solves room
Outside antenna problem, but limitation is very big, and the scope of wireless long-wave time service radio station covering is very unsound, even coveredly
Area, the signal fallen in building is very faint, and strict demand is equipped with to residing address bit, when installing indoors, to examine
Building is considered to the shielding of electric wave, it is necessary to which man-hour manually hand-held quartz clock is installed after movement is set foot-point indoors, and decoding circuit is answered
Miscellaneous, decoding time is very long, inefficiency.（2）The wave frequency of country variant is different, and decoding circuit is different, coverage
It is different, cause design cost high.（3）Radio controlled clock signal is faint, and decoding circuit is complicated, is generally embedded in movement so that
The structure of movement is extremely complex.
Foregoing three kinds have following common drawback：
（1）Application limitation is very big, has particular/special requirement to the geographical location of installation.
（2）Function is single, can only time service, without other functions.
（3）It cannot arbitrarily show the time in the major time zone in the world, comparatively, radio wave clock is in economy, civil nature, family
Change etc. do it is best, but also just for a state or area time service, in a certain time zone or the electric wave of district work
Clock, it is impossible to indicate the time in another time zone.
（4）Cannot smart mobile phone most popular with current application and mobile Internet connect and exchange information.
（5）It cannot be applied in smart home, without the common auxiliary such as environmental monitoring and toxic and combustible gas alarm
Function.
（6）It cannot conveniently set up and manage alarm clock and prompting function, it is impossible to be configured flexibly the promptings such as light and music
Mode.
（7）The tinkle of bells reminds the files such as music that cannot arbitrarily download.
（8）Behavior cannot occur to the scene of the important member of family or field of employment to be identified and record.
The content of the invention
The present invention provides a kind of quartz clock applied to family and provides a kind of new set to solve deficiency of the prior art
Meter scheme, specific designing scheme are：A kind of pointer type intelligent clock, including clock face, pointer, movement, feature exists
In further including movement gear-box and movement driving circuit, movement driving circuit is rechargeable battery powered by 4.2V, standby clock mould
Block is connected on movement driving circuit, while movement driving circuit is also associated with temperature humidity sensor module, flammable and have poison gas
Body detection module, PM2.5 particle detections module and low-power consumption bimodulus Bluetooth interface module, on low-power consumption bimodulus Bluetooth interface module
It is also associated with audio decoder and power amplifier module and TF memory card modules.
In order to preferably realize technical scheme, further above-mentioned technical proposal can be improved to：
The movement driving circuit is time-division motor, the second that drive gear movement is controlled using microcontroller as primary processor
Motor.
The audio decoder and power amplifier module plays MP3 format or WMA lattice using audio decoder chip and power amplifier chips
Formula music tone ringer, the partial circuit are controlled by the primary processor of Bluetooth interface module.
The temperature humidity sensor module, using DHT11 sensors, microcontroller passes through the single total of I/O port analog sensor
Line sequential reads sensing data.
The flammable and toxic gas detection module uses MQ-2 smog gas sensor modules, and toxic gas detection is adopted
With semiconductor-type VOC gas sensor, controlled by movement drive module processor.
The PM2.5 particle detections modules using dust sensor, are controlled by movement drive module processor.
The movement gear-box is controlled by movement drive module processor, and gear-box has 2 motors, passes through transmission respectively
Gear connection come drive second hand and when minute hand.
The low-power consumption bimodulus Bluetooth interface module, the bluetooth controller that interface uses are the CC2564 bimodulus bluetooths of TI
Chip is integrated with BR/EDR/LE and compatible with bluetooth.
The pointer type intelligent clock major function based on bimodulus bluetooth of the present invention is as follows：
（1）It is used mainly for family, realizes automatic correcting time using widely used Bluetooth of mobile phone, there is no because signal
The problem of weak and prior installation of needs is set foot-point, is very suitable for all kinds of occasions such as civilian, office at home.
（2）Mobile phone exchanges data with clock terminal by bluetooth, daily in the time set by user according to set by user
Pattern carries out time calibration with clock terminal, and the various environmental monitoring informations of clock terminal are obtained by bluetooth, to environment number
The information such as various orders or file management are assigned according to the processing such as analyzed, stored and alarmed, while to intelligent clock terminal.
(3) intelligent clock terminal is using rechargeable battery powered, can with environmental monitoring, mobile phone pair when, alarm clock, family's event
The functions such as prompting, music and battery management.
（4）Intelligent clock terminal has 4.0 interface of bluetooth, can pass through low-power consumption LE patterns and tradition BR/EDR patterns two
Kind mode communicates with bluetooth cellular phone, has both adapted to the occasions such as High Speed Transfer music tone ringer, is also more suitable for low-power consumption transmission data volume
The applications such as little time calibration and sensing data acquisition, can save battery power to the greatest extent.
（5）Clock terminal can be received and be indicated the major time zone time in the world of mobile phone offer using wireless Bluetooth interface,
Be allowed to towards application scenario it is more extensive.
（6）Using Bluetooth technology, clock terminal can realize that the activity scene to holding mobile phone user etc. records, i.e.,：
Can record daily mobile phone really automatic pair when time and number, also can record and counting user be to the live time, this
May have certain proof, the meaning for ensureing or protecting evidence etc to some special users.
Cell phone application can also irregularly be sent to this information by internet the center service of Intelligent clock enterprise
Device, for statistical analysis client hobby so as to improve the design of Intelligent clock or analyze customers city's field distribution etc. other should
With.
（7）Special movement gear box designs
The movement of most of local area network pointer quartz clocks is all metal machine core, expensive, and precision is not high, throughout the year
It runs power consumption and mechanical wear is very big, it is impossible to battery powered.Although radio controlled clock movement is made of plastic packaging, its built-in electric wave day
Line and circuit, structure is extremely complex, easily has mechanically or electrically road failure.
This product devises that cheap plastics are special to be swept second and jump second gear-box therefore, and gear-box, which only has, divides motor
With the basic functions such as second motor and zero feedback transducer, circuit is practical simple, and of low cost, terminal with compact integral structure leans on completely
The flexible outer drive circuit board module drive movement motor operation of movement, easy access, upgrading and debugging.
（8）The external movement drive module design of low-power consumption
The module uses MSP430F4152 super low power consuming single chip processors as core, utilizes 4.2V rechargeable lithium batteries and special
Quiescent current only have 0.1 microampere of binding driving circuit, realize movement of the driving operating voltage in 1.5V or so of low-power consumption
Minute hand motor and second hand motor, the power consumption of complete machine are extremely low.
（9）4.0 Design of Interface Module of low-power consumption bluetooth
MSP430F5438 low-power scms are used as bluetooth host primary processor, controller is strong using TI companies function
Big CC2564 bimodulus Bluetooth chips are supported to apply with two kinds of low-power consumption at a high speed, can save electric energy to the greatest extent.
（10）The upper cell phone application Software for Design of Intelligent clock, by Bluetooth of mobile phone interface, can multi-mode setting and Intelligent clock
Various schools when and communication plan.
（10）Machine system is in order to reduce cost, using very cheap common crystals, using software compensation algorithm and firmly
The technologies such as part capacitive vernier ensure that the pointer instruction time is accurate, and in the case of no bluetooth school, the quartz clock in one day is certainly
It runs cumulative errors and is less than 100 milliseconds.
（11）Intelligent clock time source can obtain mobile phone its temporal by cell phone application or this is obtained respectively by surfing Internet with cell phone
The time that kind time service website provides can also obtain the last standby time by Intelligent clock standby clock circuit, time source
Selection is more diversified.
Description of the drawings
Fig. 1 is a kind of decorum structure diagram of pointer type intelligent clock of the present invention；
Fig. 2 is a kind of structure diagram of the movement gear-box of pointer type intelligent clock of the present invention.
Specific embodiment
A kind of pointer type intelligent clock（Referring to Fig. 1）, including clock face, pointer, movement, it is characterised in that further include
Movement gear-box 9 and movement driving circuit 1, movement driving circuit 1 are powered by 4.2V rechargeable batteries 2, and standby clock module 3 connects
It is connected on movement driving circuit 1, while movement driving circuit 1 is also associated with temperature humidity sensor module 6, flammable and toxic gas
Detection module 7, PM2.5 particle detections module 8 and low-power consumption bimodulus Bluetooth interface module 10, low-power consumption bimodulus Bluetooth interface module
Audio decoder and power amplifier module 4 and TF memory card modules 5 are also associated on 10.
It the characteristics of in order to better illustrate a kind of pointer type clock of the present invention, carries out below in more detail
It is bright：
First, movement driving circuit 1：
Function 1：By 9 sliding tooth roller box of single-chip I/O mouth control machine core gear case pointer motor is driven to rotate.
Function 2：The voltage of 4.2V rechargeable batteries 2 is detected, judges remaining capacity.
Function 3：After the standard time is obtained, the time of calibration standby clock module 3 is changed by I2C buses.In quartz
Clock initialize after the power is turned on, if not obtaining the standard time of mobile phone in 5 minutes, read standby clock module 3 it is spare when
Between.
Function 4：At regular intervals（It can be set, given tacit consent to 15 seconds by mobile phone）To temperature humidity sensor module 6, flammable
With toxic gas detection module 7, PM2.5 particle detections module 8 provide temperature, humidity, flammable and concentration of toxic gases,
PM2.5 values are detected and preserve.
Function 5：Timing controls powering on and powering off for low-power consumption bimodulus Bluetooth interface module 10 by I/O port（Pay attention to：Low work(
Control audio decoder and power amplifier module 4, TF card memory module 5 powering on and powering off consumption bimodulus Bluetooth interface module 10 again, if
Low-power consumption bimodulus Bluetooth interface module 10 does not power on, then controls audio decoder and power amplifier module 4, TF card memory module 5 can not
It can power on）, when needing to connect mobile phone acquisition time or release sensor data, on low-power consumption bimodulus Bluetooth interface module 10
Electricity, low-power consumption bimodulus Bluetooth interface module 10 is communicated after the power is turned on by asynchronous serial port with movement driving circuit 1, and passes through indigo plant
Tooth interface and radio handset communications.
Function 6:Movement driving circuit 1 itself is indicated with key-press input and LED, can be received and manually adjusted by button
Time opens the functions such as bluetooth or reset.Working status indication is carried out by LED.
（1）, movement drive circuit module 1 be whole system control core, with microcontroller（It may be employed
MSP430F4152 microcontrollers）For primary processor, microcontroller itself operating voltage can be between 1.8 ~ 3.6V；4.2V rechargeable battery
Become two kinds of voltages of 3.3V and 1.5V by low-power consumption LDO chips as the module for power supply, microcontroller is usually mostly in sleep mould
Formula once, after wake-up checks current working condition every 15.625 milliseconds of wake-ups, is decided whether according to working condition defeated
Go out the operations such as time-division motor, the second motor of pulsed drive gear core, at the same check whether there is by key pressing, cell voltage whether
It meets the requirements, subsequently enters sleep, this is checked and the process of driving is at 0.7 millisecond or so, SCM system major part
Between sleep, during sleep the complete machine power consumption of system be completely used for the motor driving of movement.
Movement drive circuit module 1 gathered a temperature humidity sensor module, toxic and fuel gas every 15 seconds simultaneously
Detection module and PM2.5 particle detections modules, and the concentration value of current humiture and fuel gas is carried out at alarm
Reason preserves and updates or cell phone application is sent to show.
In the daily defined time（Time user can utilize the self-defined setting of blue tooth interface communication by mobile phone,
Default value may be employed）During with movement drive circuit module 1 by blue tooth interface and mobile communication, the sensing data that will be gathered
It is dealt into cell phone application and updates.
When 1 microcontroller of movement drive circuit module is slept, 32768Hz crystal oscillators still count, as entire movement system
Time source, after 15.625ms periodic wakeups, then the low frequency operation with 32 frequencys multiplication of 32768Hz, that is, 1.048576MHz, low-power consumption
And quickly perform second hand when walking, when minute hand is walked, the operations of sensor acquisition and blue tooth interface etc..
1 crystal oscillator 32768Hz of movement drive circuit module, without source crystal oscillator, is led to using most common direct insertion 12.5PF in the market
It crosses MSP430F4152 microcontrollers and is internally integrated capacitance and outside 12PF tunable capacitors, utilize software set microcontroller internal capacitance
Scope, and by way of tunable capacitor outside hardware adjustments, first so that the frequency error of 32768HZ is within 0.001HZ.So
Afterwards in system operation, software compensation is carried out to the evaluated error caused by crystal oscillator when 1 is small.
Gear-box work, motor are directly driven using special for quartz clock motor driving chip on movement drive circuit module 1
Driving chip use standard operating voltage 1.5V, motor driving 0.98 ~ 31.25 millisecond of pulsewidth between, motor driving chip it is quiet
State electric current 0.1UA, extremely low power dissipation.
Movement drive circuit module 1 can control Bluetooth interface module, audio decoder and power amplifier module, TF card module, temperature
The power supply of humidity sensor.The power supply supply that the module is completely cut through during work is not required in each module, to prevent quiescent current
Consumption.
（2）Movement drive module aims at movement drive module, Bluetooth interface module, gear with 4.2V rechargeable battery circuits
Case, TF card and audio decoder and power amplifier module and temperature humidity sensor module power supply.Charging circuit inputs 5V direct currents, warp
BQ24092 chip controls, intelligence charge for charged lithium cells.
PM2.5 particle detections module and flammable and toxic air alarm device module in system, since power consumption is very big, no
Be suitble to battery powered, needed for 5V power supplys then powered by independent 5V direct-current switch power supplies, it is necessary to enable these sensor energy
When, it is necessary to online 220V Alternating Current Power Supplies or external 5V DC power supplies.
（3）Standby clock module 3（Spare PCF8563 modules may be employed）
Standby clock module 3 passes through I2C buses and single chip communication, it is possible to provide the standby messages such as date Hour Minute Second,
During quartz clock initial power-on cold start-up, before the deadline, if Bluetooth of mobile phone does not have issuing time, PCF8563 is read
Standby time as the quartzy finger time.
Every time after Intelligent clock connects the acquisition standard time with mobile phone, using the new time as prover time, in the integer second
Moment calibrates the standby time of PCF8563.
Standby clock module 3, i.e., spare PCF8563 modules carry button cell, and independent clock operation passes through I2C buses
It is controlled by module 1.
（4）Audio decoder and power amplifier module 4.
Audio decoder plays MP3 music with power amplifier module 4 using AC3F97 audio decoders chip and HXj8002 power amplifier chips
The tinkle of bells, which is controlled by the primary processor MSP430F5438 of Bluetooth interface module, when not working, does not enable power amplifier
Chip, to reduce quiescent current consumption.
(5) TF memory card modules 5, are mainly used to store ring tone, sensor obtain 48 it is small when in history number
According to the information and other information that user's scene occurs also are stored in TF card and preserve in advance, can be read by mobile phone.TF storage cards
Module 5 is used for storing the music text by mobile phone-downloaded simultaneously by the primary processor MSP430F5438 controls of Bluetooth interface module
Part.TF card is also controlled the ring tone for reading TF card storage when playing music by audio decoder chip AC3f97 simultaneously
File.
Audio decoder and power amplifier module 4 and TF memory card modules 5, are directly controlled by bimodulus Bluetooth interface module 10, electricity
Source power supply is powered on and powered off by IO controls by bimodulus Bluetooth interface module 10.It is blue using bimodulus so when unwanted
Tooth interface module 10 thoroughly powers off, and can reduce quiescent dissipation to the greatest extent.Bimodulus Bluetooth interface module 10 passes through simultaneously
Spi bus is responsible for the read-write to TF card memory module 5, and bimodulus Bluetooth interface module 10 is responsible for by asynchronous serial port and audio decoder
It communicates with power amplifier module 4.
TF card memory module 5 was both written and read by SPI mode by bimodulus Bluetooth interface module 10, simultaneously also by SD
Pattern is written and read by audio decoder and power amplifier module 4.But bimodulus Bluetooth interface module 10 and audio decoder and power amplifier module 4 are right
The read-write of TF card memory module 5 cannot be carried out at the same time.
The bus of TF card memory module 5 be connected on earth with bimodulus Bluetooth interface module 10 or with audio decoder and power amplifier mould
Block 4 connects, and is to be responsible for by bimodulus Bluetooth interface module 10, bimodulus Bluetooth interface module 10 is by controlling CD74HC4053 electronic cuttings
It closes, to reach the connection mode for physically switching 5 bus of TF card memory module.
Audio decoder itself has power amplifier with power amplifier module 4, and whether power amplifier part works can be by bimodulus bluetooth
Interface module 10 is controlled by IO, and only when needing playback, bimodulus Bluetooth interface module 10 just enables the power amplifier.
（6）Temperature and humidity sensing module 6 using DHT11 sensors, powered on once, microcontroller passes through monobus every 10 seconds
Read sensing data.Temperature and humidity sensing module 6 can close power supply when user is not required by mobile phone setting.Acquiescence passes
Every update in 3 minutes once, when mobile phone passes through Bluetooth communication, acquisition is the last temperature preserved in memory to sensor data
Humidity data.Temperature and humidity sensing module 6 itself integrates converter, is connected by monobus with movement driving circuit 1, and movement drives
Dynamic circuit 1 simulates the sequential of temperature and humidity sensing module 6 by I/O port, every the set time, reads a temperature and humidity value.Temperature simultaneously
Powering on and powering off for humidity sensor module 6 can be controlled by movement driving circuit 1, be driven in timing to, it is necessary to read movement
It is powered on during the data of dynamic circuit 1 for temperature and humidity sensing module 6, after reading, movement driving circuit 1 is temperature and humidity sensing at once
Module 6 powers off.
（7）Flammable and toxic gas detection module, fuel gas detection are used using MQ-2 smog gas sensor modules
To detect liquefied gas, butane, propane, methane, alcohol, hydrogen, smog etc.；Toxic gas detection uses semiconductor-type VOC gas
Sensor MS1100 has high sensitivity and stability, the gas of more than 0.1ppm can be detected, for detecting in air
A variety of volatile organic components such as formaldehyde, benzene, dimethylbenzene, acquiescence acquisition time once, handled for 15 seconds by movement drive module
Device MSP430F4152 is controlled.
（8）PM2.5 particle detections module 8, using 2Y1010AU0F dust sensors, for measuring 0.8 micron or more
Micro dust particle, perceive tobacco generate breathe one's last and pollen, house dust etc., acquiescence acquisition time for 15 seconds once, driven by movement
Dynamic module handler MSP430F4152 controls.
Flammable and toxic gas detection 7 and PM2.5 particle detections module 8, two module power consumptions are very big, are not suitable for battery and supply
Electricity so needing individually to be equipped with independent 5V DC power suppliers, external can also input.Flammable and toxic gas detection 7 is defeated
Go out the 2 flammable concentration with toxic gas of road voltage signal instruction, 1 road voltage signal instruction of the output of PM2.5 particle detections module 8
The granule density of PM2.5, this 3 road voltage signal are followed by 3 AD conversion pins of module 1 by modulate circuit, module 1 every
AD signals were converted in 15 seconds, and be converted into concentration value preserve or alert process, the value preserved after being connected with mobile phone,
Mobile phone is sent to by blue tooth interface.
（9）Movement gearbox module 9 is directly controlled by the IO of movement driving circuit 1, and is bound by special 1.5V low-power consumption
Driving chip directly drives Hour Minute Second pointer motor operation.
Movement gearbox module 9 is controlled by movement drive module processor MSP430F4152（Referring to Fig. 2）, gear-box has 2
A motor（Motor 11-1 and motor 11-2）, respectively by transmission gear connection come drive second hand 12 and when minute hand 13, S2 conducts
Second hand zero feedback optocoupler, S1 be used as when minute hand zero feedback optocoupler.S2 and S1 cannot be worked at the same time, when second hand is zeroed
S2 works, and S1 works when minute hand is zeroed.VIN pins are optocoupler LED current, and connecting resistance R8 is used for limiting the optocoupler tube current that shines small
In 4 milliamperes, VOUT pins are optocoupler phototriode output current signal, and connecting resistance R9 is used for when pointer reaches return-to-zero,
By the pulse current of output, the pulse voltage more than 2.5V is converted to.When movement is zeroed, optocoupler is in the form of the square-wave pulse of 16HZ
Work, first second hand are zeroed, and then minute hand is zeroed.For second hand at 55 seconds or so, optocoupler S2 passed through Vout output optical pulse voltage signals.
When minute hand is zeroed, at 51.5 points or so, optocoupler S1 passes through Vout output optical pulse voltage signals.
Second motor driving second hand stepping work, second hand make a move 0.375 degree.All with 16Hz when " normal work " or " when chasing after "
Speed works.Second motor is driven in the form of positive negative pulse stuffing, and driving current is less than 150UA, 31.25 milliseconds of pulse duration time.When
Divide motor driving hour hands and minute hand stepping work, minute hand makes a move 1 degree.It is most worked soon with 16Hz speed when " when chasing after ", it is normal to transport
10 second hands make a move during row.The driving of minute motor walk 360 steps then hour hands walk 1 it is small when.Motor is divided to be driven in the form of positive negative pulse stuffing, electricity
Stream is less than 310 microamperes, 46.875 milliseconds of pulse duration time.
（10）The zero of movement and when chasing after during school
First second hand zero, starts second optocoupler and second motor, second hand is hurried up with 16HZ pulsed drives, detecting effective second light
After coupling pulse, a second optocoupler is immediately closed off, after meter step M steps, second zero terminates；Then start light splitting and divide motor, pointer is with most
Big 16HZ pulsed drives are hurried up, and after effectively light splitting coupling pulse is detected, are continued to walk N steps, are closed optocoupler, zero terminates.During zero,
It is contemplated that receive invalid optocoupler pulse situation：Second hand started second zero before 55 seconds, and light feedback was received in 1 second,
It is considered invalid feedback.When dividing zero, light feedback, that is, invalid feedback when thinking were received in 4 seconds.Meanwhile point zero inspection
Certain time will be kept by measuring optical feedback signal, could be counted step and be continued to walk N steps, then zero terminates.
After zero, read microcontroller itself real-time time, subsequently into stage when chasing after, second hand when chasing after really etc.
When microcontroller its temporal is equal with the time indicated by second hand, start second driving pulse.When chasing after of minute hand, maximum is with 16HZ's
Divide pulsed drive.As long as the microcontroller time chases after constantly, not when being chased after it is necessary to enter if pointer is signified with the pointer instruction time
Show that the time is more than the real time, and in 5 minutes, then take standby mode, after the times is waited to reach, then send sectors punching, otherwise
When directly chasing after.
（11）The detection of cell voltage and remaining capacity
Lithium rechargeable batteries voltage, every detection in 10 seconds once, the processor MSP430F4152 roots in movement driving circuit 1
According to lithium battery voltage and the curved line relation of remaining capacity, the remaining capacity of battery is judged.
（12）State instruction
Movement drive circuit module drives red green two kinds of lamps, for showing operating status, electricity alarm, call reminding etc.
Lamplight pointing.
（13）Bimodulus Bluetooth interface module 10
Bimodulus Bluetooth interface module 10（MSP430F5438+CC2564 low-power consumption bimodulus Bluetooth interface modules can be used）, it is double
The hardware of mould Bluetooth interface module 10 is powered on and powered off to be controlled by movement driving circuit 1, and electricity is driven by asynchronous serial port and movement
Road 1 communicates, asynchronous communication operating mode：Baud rate 115200bps, 8, no parity check.
The module controls powering on and powering off for audio decoder and power amplifier module 4 and TF card memory module 5 again simultaneously.By different
Step serial ports communicates with audio decoder with power amplifier module 4, asynchronous communication operating mode：Baud rate 19200bps, 8, no parity check.It is logical
Spi bus and 5 synchronous communication of TF card memory module are crossed, synchronised clock is provided by bimodulus Bluetooth interface module 10 itself.
Bimodulus Bluetooth interface module 10 is responsible for the opening and closing of Bluetooth control chip simultaneously, and control and the bluetooth of mobile phone connect
It connects and data exchange, the APP that installation is downloaded in mobile phone is responsible for data between mobile phone and movement driving circuit 1 as a bridge
It exchanges.
Bimodulus Bluetooth interface module 10 is responsible for the communication with Bluetooth of mobile phone, and controls under the storage and ring tone of TF card
It carries and plays.The power supply of bimodulus Bluetooth interface module 10 can be closed by movement drive module.
The bluetooth controller that bimodulus Bluetooth interface module 10 uses is the CC2564 bimodulus Bluetooth chips of TI, is integrated with BR/
EDR/LE and with 4.0 specification of bluetooth（Until HCI layers）It is compatible.CC2564 bimodulus Bluetooth chip can be up to 4Mbps's with rate
UART-HCI Interference fit MSP430F5438A host computer controls and application layer work, while its board mounted power management, be directed to
The low-power consumption optimization of various patterns meets system requirements.
10 program of bimodulus Bluetooth interface module uses the Stonestreet One Bluetopia indigo plants write based on C/C++
Tooth protocol stack supports Bluetooth 4.1 characteristics of 2.1+EDR and Bluetooth, provides debugging interface and library function
API handbooks.When being connected with Bluetooth of mobile phone, if necessary to then use conventional high rate when high speed data transfer downloads ring signal file
BR/EDR bluetooth modes then use Bluetooth Low Energy LE patterns in the less occasion of the data volumes such as delivery time or other functions.
（14）On mobile phone（Mainly IOS mobile phones and Android mobile phone）In APP softwares
The function realization of Bluetooth of mobile phone APP is a vital content of the system.
The module is the host computer of product, for obtaining the standard time, shows sensing data, sets each seed ginseng of Intelligent clock
Number；It can only directly be carried out wireless communication with bimodulus Bluetooth interface module 10.
The first system function
1 clock information：
1.1 clock number names：The name of each Intelligent clock, name suffix carry factory number, the number be it is unique, one
A mobile phone can be configured different terminals according to the name.
1.2 hardware version：Hardware version numbers are used to refer to the upgrading of product.
1.3 sensor column table function state：It indicates the Intelligent clock sensor entry supported, and indicates under current version that
A little available, those are unavailable.
1.4 electricity show and alarm：Cell phone application number or scroll bar indicating intelligent clock remaining capacity, Intelligent clock this
It is alarmed using light or music the remaining capacity of battery in face.
Realization method：
Clock information includes " clock number ", " version ", " sensor list ", " remaining capacity ", and usually these information are deposited
It being placed in Intelligent clock terminal memory, Intelligent clock is responsible for these information, wherein " remaining capacity " information can update once for 10 seconds,
Intelligent clock in itself also carries out remaining capacity light or music alarm, and mobile phone can be sharp on mobile phone after being obtained with Intelligent clock communication
It is indicated with number or figure.
Intelligent clock is established with mobile phone connect every time（Default value is the integral point and least bit moment at each hour）During communication school
When, all can these information be fed back to cell phone application together in passing, then mobile phone preserves these information in local, and according to these
The display numerical value or alarm figure at data modification interface etc..
2nd, connection communication mode setting：
In order to save the power consumption of Intelligent clock and mobile phone, user can be set by cell phone application and acquisition is connected with Intelligent clock daily
At the time of sensing data and cycle, system communication mode acquiescence are as follows：
First, normally acquiescence is as follows for cell phone application：
APP opens bluetooth trial and intelligence at the integral point moment of daily mobile phone its temporal and the least bit moment of each hour
Energy clock initiates the connection, if cannot be connected within 5 minutes, illustrates mobile phone not around Intelligent clock, then stops connecting, then etc.
Treat next integral point or least bit connection moment.If be once connected with Intelligent clock in 5 minutes, finished in connection communication
Afterwards, both sides exit connection, next connection moment after waiting in half an hour.
Second, the normal default behavior of Intelligent clock
Intelligent clock is opened blue according to its temporal after postponing again 10 seconds at each integral point moment and least bit moment hourly
Tooth interface, broadcast can be connected by sending, and mobile phone is waited to pass through bluetooth and oneself connection.It is stood if mobile phone is try to connection at this time
That is response connection, and start to communicate, after communication, both sides exit connection, and Intelligent clock closes bluetooth, and wait connects next time.
If this face of Intelligent clock is after 5 minutes, the connection request that cell phone application is sent never is received, illustrates mobile phone not around,
Bluetooth is then actively closed, then waits and connecting next time.
Under normal circumstances, the time indicated by cell phone application at most differs several seconds with the time of Intelligent clock, and institute both sides are mutually equal
The time treated does not exceed 10 seconds generally.Processing procedure after connection is also very of short duration, every time connection after pair when or exchange data
Time, generally within 50 milliseconds, the power consumption of both sides in the process is very low.
3rd, if user does not use the default value of system, can also change using following connection mode：
(1) mobile phone is attempted to be attached with Intelligent clock always, is just no longer disconnected after being successfully connected, unless mobile phone is away from intelligence
Either actively setting disconnects user clock or user is switched to other connection modes.
（2）Mobile phone is attached in daily fixed time period set by user, once connected, just no longer disconnect, unless
Away from Intelligent clock, either user actively disconnects mobile phone or user is switched to other connection modes.
（3）Fixed time trial set by user is selected to be connected with Intelligent clock, but will be in integral point and least bit moment, Ke Yigen
Some time points are shielded according to the situation of oneself, after connecting every time and completing communication, both sides exit connection.
User is after the setting of modification mobile phone, if to come into force, can press " opening blue on Intelligent clock panel
Tooth " button, after the key pressing, Intelligent clock starts bluetooth at once, and then mobile phone is connected with Intelligent clock, and automatic modification is set.Otherwise,
This setting will wait until just to come into force after the connection next time of both sides.
3 bluetooth connection modes
The Blue-tooth communication method that cell phone application instruction mobile phone is supported：LE low-power consumption bluetooths or tradition BR/EDR patterns.
Realization method：
It is communicated with which kind of bluetooth mode with Intelligent clock, depends entirely on cell phone application application program.Cell phone application program can be certainly
Which kind of pattern the dynamic bluetooth mode searched the mobile phone and supported, then intelligently select.Without the mobile phone of LE patterns, APP
Single traditional BR/EDR patterns can only be selected to communicate with Intelligent clock, and with BLE patterns mobile phone both of which can, but
Which kind of on earth using pattern, intelligently determined by APP application programs, in transmission data volume larger music file, APP can be used
Traditional BR/EDR patterns, in the less other application of conveying capacity, APP can use LE low-power consumption modes, can so substantially reduce
The communication power consumption of both sides makes the usage time that Intelligent clock once charges longer.
Each connection procedure of mobile phone and Intelligent clock is as follows：
In two kinds of situation：
The first, if using conventional Bluetooth BR/EDR modes：
1st step, Intelligent clock open the broadcast that bluetooth sends " can connect ", " can find ".
2nd step, cell phone application are opened bluetooth scanning Intelligent clock, if the First Contact Connections of mobile phone and Intelligent clock, are then being sent out
Stop scanning after existing Intelligent clock bluetooth device address, and remember the bluetooth device address BD_ADDR of Intelligent clock.
3rd step, cell phone application send " key connection " to Intelligent clock by the Bluetooth address and ask, and make with Intelligent clock negotiation
With " key connection " mode.This key is " pairing password ", is preserved in advance inside Intelligent clock, can establish and connect in both sides
It is changed after connecing by cell phone application.
4th step, if both sides are to establish connection for the first time, this face of mobile phone pairing cryptographic consumer inputs not yet, Intelligent clock
Then loopback cannot pass through the response of " key connection ".
5th step, mobile phone first time attempt " key connection " when, receive Intelligent clock cannot " key connection " information, connect
It to Intelligent clock and sends " pairing request ", and user is required to input " pairing password " on mobile phone, this pairing password is on mobile phone
It preserves as connection key below, and is sent to Intelligent clock.
6th step, Intelligent clock find that pairing password is correct, then record the Bluetooth address of mobile phone, and send " pairing to mobile phone
Success " response, so far both sides' successful matching.
7th step, mobile phone send " creating key connection " request to Intelligent clock.
8th step, the key that Intelligent clock then sends the mobile phone of successful matching just now preserve, then send " establishment key " into
Work(responds, right there is no need to match somebody with somebody when hereafter reconnecting.
9th step, then both sides start to exchange data or order.
10th step, both data processing.
11st step, communication finish, and mobile phone sends " disconnecting " request, and both sides disconnect.If Intelligent clock is communicating
After more than 30 seconds, asked still without " disconnecting " that mobile phone sends is received, then actively disconnect, and close bluetooth and connect
Mouth power supply.
12nd step, hereafter connects each time, and mobile phone no longer needs to scan bluetooth equipment, only need to be according to saved intelligence
Clock Bluetooth address and pair-wise key are attempted to send " key link " request to Intelligent clock.
13rd step has been consulted through " key connects " mode, simultaneously when APP is due to First Contact Connections with Intelligent clock
This face of Intelligent clock also saves the key and its Bluetooth address that mobile phone is sent, please so need not pairing be sent to Intelligent clock again
It asks.
As long as mobile phone sends key connection request to Intelligent clock, and carries correct key secretly in the request, Intelligent clock is waited to return
Echoing should；If this face of Intelligent clock receives, the response that runs succeeded will be sent.
14th step, both sides start to transmit data again
15th step, after disconnect.And so on....
Second, using LE low-power consumption bluetooth modes：
For mobile phone as main equipment in LE Bluetooth link layers, Intelligent clock is used as slave device in LE link layers.In bluetooth category
Mobile phone is as client on property protocol layer, and Intelligent clock is as server.
1st step, Intelligent clock send the broadcast of " can connect ", " can find ".
2nd step, cell phone application opens bluetooth scanning Intelligent clock, if the First Contact Connections of both sides, is then finding Intelligent clock
Stop scanning after Bluetooth address, and remember the Bluetooth address BD_ADDR of Intelligent clock, the step is omitted when being hereafter again coupled to.
3rd step, mobile phone initiate LE links according to the Intelligent clock Bluetooth address of preservation as client to Intelligent clock server
Request event.
4th step, after Intelligent clock equipment receives LE connection request events, into connection status and back response so that both sides
All enter LE connection status.
5th step, mobile phone send inquiry Service events order to Intelligent clock, and Intelligent clock then provides service UUID and characteristic
UUID.Mobile phone preserves the UUID of Intelligent clock after being inquired about in first time, no longer inquired about when being again coupled to thereafter.
6th step, mobile phone send to Intelligent clock according to the service of Intelligent clock and characteristic UUID and read or write request.
7th step, Intelligent clock perform order according to the request event that reads or writes received, and back response realizes data exchange.
8th step, after communication, mobile phone sends " disconnecting " request.
9th step, Intelligent clock disconnect, and are then shut off bluetooth, and wait connects next time.
10th step, after hereafter connecting each time, mobile phone no longer needs to inquire about the service characteristic of Intelligent clock, only need to be according to
The Intelligent clock Bluetooth address of preservation and the service preserved and characteristic UUID, communicate with Intelligent clock.
11st step, Intelligent clock are connecting the moment next time, are again turned on " can connect ", " can find " broadcast.
12nd step, mobile phone initiate LE links according to the Intelligent clock Bluetooth address of preservation as client to Intelligent clock server
Request event, after Intelligent clock response, both sides enter connection status.
13rd step, in connected state, mobile phone is according to the service UUID of saved Intelligent clock and characteristic UUID, Xiang Zhi
Energy clock, which is sent, reads or writes request.
14th step, then intercommunication processing
15th step, after communication, mobile phone sends " disconnecting " order, and Intelligent clock break link closes bluetooth, waits
It connects next time.And so on ...
3, broadcast time is set：
3 time zones are set：
Mobile phone has several to the sending time of Intelligent clock：
（1）The time zone time that user is currently located；（2）Other current time zone times, such as New York time, Tokyo time
Deng.（3）The other times obtained by cell phone internet.
5th, ringing at every hour+night is only reported
User can set the integral point moment that mobile phone music gives the correct time or light gives the correct time, night or which ringing at every hour on daytime
It can shield.
6th, environment alarm setting
Environment alarm setting, the bound including humiture, PM2.5 dust alarm concentration values, toxic and fuel gas are dense
Spend alarming value.
Realization method：
In each default communication connection procedure, the gathered data of sensor can be all sent to mobile phone, hand by Intelligent clock
The data that machine is preserved according to the bound and current phone of setting carry out alert process or historical data curve display.
7th, incoming call prompting is set
Setting cell phone incoming call does not connect prompt facility：It enables or does not enable.
Realization method：
Open this function, it should Intelligent clock blue tooth interface be set to open always, cell phone application is with Intelligent clock always in company
Connect state.
7th, data acquisition is set
The sensor data acquisition cycle of Intelligent clock is set, is defaulted as acquisition in 15 seconds once, the data of acquisition are stored in
In the core buffer of movement driving microcontroller, while also it is saved in simultaneously in TF card at the time of data acquisition and acquisition,
In case cell phone application is read.
8th, network time source selects：
Network time source：（1）It is manually entered NTP network address（2）It is selected in list（3）Cell phone system its temporal.
9th, music management
Download and delete music.
Two kinds of realization methods：
(1) manually Intelligent clock TF card is taken out, copy MP3 ring tones arrive TF card in advance, and where selection is set by mobile phone
Kind music is as quarter-bell.
(2) can also mobile phone MP3 music is downloaded to TF card by conventional Bluetooth mode.
Second environment monitors：
（1）Mobile phone shows the latest data of sensor, this data is the sensing data obtained during the last connection.
（2）Show the historical data curve of sensor within 48 hours.
（3）Reference analysis is carried out to environment according to sensing data.
4th alarm clock
（1）Mobile phone sets alarm clock title
（2）Mobile phone sets the alerting pattern of Intelligent clock：Music/light
（3）Jingle bell duration and cycle and number of repetition are set
5th event
Event title：
（1）The time alert feature of user's critical event.
It is set in the simple memorandum that critical event is recorded on mobile phone and and the reminder time of Intelligent clock is set.
（2）The alerting pattern of Intelligent clock is set：Music or light
6th alarm switch button
Prompting function opens or closes.
7th small assistant
（1）On
（2）It helps
（3）Upgrading
（4）Buy product.
Claims (5)
1. a kind of pointer type intelligent clock, including clock face, pointer, movement, it is characterised in that movement includes movement gear
Case and movement driving circuit, movement driving circuit is rechargeable battery powered by 4.2V, and standby clock module is connected to movement drive
On dynamic circuit, at the same movement driving circuit be also associated with temperature humidity sensor module, flammable and toxic gas detection module,
PM2.5 particle detections module and low-power consumption bimodulus Bluetooth interface module are also associated with sound on low-power consumption bimodulus Bluetooth interface module
Frequency decoding and power amplifier module and TF memory card modules；The temperature humidity sensor module, it is single using DHT11 sensors
Piece machine reads sensing data by the monobus sequential of IO mouthfuls of analog sensors；The flammable and toxic gas detection mould
Block uses MQ-2 smog gas sensor modules, and toxic gas detection uses semiconductor-type VOC gas sensors, by movement
Drive module processor controls；The movement gear-box is controlled by movement drive module processor MSP430F4152, equipped with 2
A motor, respectively by level Four gear drive connect driving second hand and when minute hand, form the three coaxial needle heart of clock movement Hour Minute Second
The drive mechanism of rotation；Equipped with zero feedback optocouplers of the S2 as second hand in movement gear-box, S1 as when minute hand zero it is anti-
Optocoupler is presented, the two cannot work at the same time, S1 work when S2 work or minute hand are zeroed only when second hand be zeroed；Second motor drives
Dynamic second runner, second hand make a move as 0.375 degree；It is all run when " normal operation " or " when chasing after " with 16Hz speed, second motor
It is driven in the form of positive negative pulse stuffing, driving current is less than 150UA, and the pulse duration time is 31.25 milliseconds；When time-division motor drives
Pin and minute hand operation, minute hand make a move as 1 degree, and with the operation of 16Hz speed when " when chasing after ", 10 second hands walk one during normal operation
Step；The driving of minute motor walk 360 steps then hour hands walk 1 it is small when；Motor is divided to be driven in the form of positive negative pulse stuffing, electric current is less than 310
UA, pulse duration time are 46.875 milliseconds.
2. the pointer type intelligent clock according to claim 1, it is characterised in that the movement driving circuit
For the control core of whole system, using MSP430F4152 microcontrollers as primary processor, itself operating voltage is in 1.8~3.6V
Between；4.2V rechargeable batteries become two kinds of voltages of 3.3V and 1.5V as movement driving circuit by low-power consumption LDO chips
In sleep pattern, current work once, after wake-up is usually checked every 15.625 milliseconds of wake-ups for module for power supply, microcontroller
State, as needed export pulsed drive gear core time-division motor, second motor operation, while check whether there is button by
Under, cell voltage whether meet the requirements, subsequently enter sleep, this check and driving 0.7 millisecond of process used time, microcontroller
The system most of the time sleeps, during sleep the complete machine power consumption of system be completely used for the motor driving of movement；When microcontroller is slept,
32768Hz crystal oscillators still count, as the time source of entire movement system, after 15.625 milliseconds of periodic wakeups, then with
The low frequency operation of 32 frequencys multiplication of 32768Hz, that is, 1.048576MHz；Movement drive circuit module uses special for quartz clock horse
Gear-box work is directly driven up to driving chip, the operating voltage 1.5V of motor driving chip, motor driving pulsewidth is 0.98
~31.25 milliseconds, the quiescent current 0.1UA of motor driving chip.
3. the pointer type intelligent clock according to claim 1, it is characterised in that the audio decoder and work(
Amplification module plays MP3 format or WMA formatted music the tinkle of bells, by Bluetooth interface module using audio decoder chip and power amplifier chips
Primary processor control.
4. the pointer type intelligent clock according to claim 1, it is characterised in that the PM2.5 particles inspection
Module is surveyed, using dust sensor, is controlled by movement drive module processor.
5. the pointer type intelligent clock according to claim 1, it is characterised in that the low-power consumption bimodulus is blue
Tooth interface module, the bluetooth controller that interface uses are the CC2564 bimodulus Bluetooth chips of TI, are integrated with BR/EDR/LE
And with bluetooth dual-purpose.
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| CN105005192B true CN105005192B (en) | 2018-05-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106707721B (en) * | 2015-11-12 | 2022-11-11 | 乌鲁木齐卓越宏大电子科技有限公司 | Multifunctional watch |
| CN105629713A (en) * | 2016-03-26 | 2016-06-01 | 林捷达 | Smart watch with humidity detection function |
| CN105892272A (en) * | 2016-05-11 | 2016-08-24 | 深圳智能表芯科技有限公司 | Intelligent watch capable of indicating multifunctional states by pointer |
| CN107478769A (en) * | 2016-10-19 | 2017-12-15 | 浙江绿盾环保科技有限公司 | A kind of air quality detector |
| CN108333911A (en) * | 2017-01-19 | 2018-07-27 | 深圳智能表芯科技有限公司 | A kind of quick timing method of wrist-watch and timepiece movement |
| CN106817672A (en) * | 2017-03-28 | 2017-06-09 | 东莞泰沣电子有限公司 | A kind of multinode bluetooth interconnection control information method and bluetooth networking clock system |
| CN107544239B (en) * | 2017-09-22 | 2019-09-10 | 江苏乐芯智能科技有限公司 | A kind of method of the smartwatch without screen touch-control |
| CN108549845B (en) * | 2018-03-26 | 2022-04-05 | 武汉晨龙电子有限公司 | Method for determining surface pointer position |
| CN114253118A (en) * | 2021-12-06 | 2022-03-29 | 珠海经济特区南森科技有限公司 | Mechanical pointer type automobile clock system and travel time method |
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| CN200976097Y (en) * | 2006-08-30 | 2007-11-14 | 深圳市超维实业有限公司 | Multifunction digital clock |
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