CN107357160A - A kind of satellite intelligent clock - Google Patents
A kind of satellite intelligent clock Download PDFInfo
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- CN107357160A CN107357160A CN201710570769.0A CN201710570769A CN107357160A CN 107357160 A CN107357160 A CN 107357160A CN 201710570769 A CN201710570769 A CN 201710570769A CN 107357160 A CN107357160 A CN 107357160A
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- G—PHYSICS
- G04—HOROLOGY
- G04R—RADIO-CONTROLLED TIME-PIECES
- G04R20/00—Setting the time according to the time information carried or implied by the radio signal
- G04R20/02—Setting the time according to the time information carried or implied by the radio signal the radio signal being sent by a satellite, e.g. GPS
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Electric Clocks (AREA)
Abstract
Present invention relates particularly to a kind of satellite intelligent clock, including MCU module, OLED display module, the Big Dipper/GPS dual-mode time service locating module, Bluetooth communication modules, RTC block, function setting key group, formaldehyde examination module, laser PM2.5 detection modules, temperature and humidity sensing module and alarm/indicating module；The input of MCU module and the output end of OLED display module connect, MCU module is connected with the Big Dipper/GPS dual-mode time service locating module interactive mode, MCU module is connected with Bluetooth communication modules interactive mode, MCU module is connected with RTC block interactive mode, the input of MCU module is connected with the output end of function setting key group, the input of MCU module is connected with the output end of formaldehyde examination module, MCU module is connected with laser PM2.5 detection modules interactive mode, and the input of MCU module is connected with the output end of temperature and humidity sensing module.The satellite intelligent clock time service precision is high, while can detect the air quality and content of formaldehyde of local environment in real time.
Description
Technical field
The invention belongs to clock domain, and in particular to a kind of satellite intelligent clock.
Background technology
Time is the mankind to describe a parameter of motion of matter process or event generating process.And persond eixis for
Any one national military affairs, scientific research and industrial production etc. various aspects all play vital effect, with people
Life and behavior it is closely bound up.But most of frivolous class puts clock product on the market now, when using real-time when walking
Clock (Real-Time Clock, RTC) is kept time pattern, when RTC has clock, calendar, alarm clock, periodic interruptions output, 32kKHz
The functions such as clock output.
Existing RTC clocking error precision can reach ± 0.5S/d at 23 DEG C, and after running certain time, error
Accumulation can be bigger, and time precision can not ensure, can not meet to require during school at all.Required during in order to meet school, it is necessary to timing school
To clock, to ensure the uniformity of clock time and standard time.Existing clock product, without other time service modes to RTC
It is punctual to be calibrated.Firm time started error is less than normal, naked eyes None- identified, but accumulates over time, and deviation can be increasing, shadow
Ring normal use.When must take artificial manual school, the troublesome user experience of client is brought.
In order to solve, RTC is punctual to have the problem of error, calibration trouble, the middle promulgated by the State Council of Application No. 2016203604417
Bright patent discloses a kind of intelligent electric energy meter that automatic correcting time is carried out using big-dipper satellite time dissemination system.The intelligent electric energy meter bag
Include：MCU real-time clocks, the reference clock as intelligent electric energy meter and output reference clock time information；Big Dipper time service receives single
Member, it is connected with MCU real-time clocks, for receiving time service information from big-dipper satellite according to reference clock time information, and parses and award
When information so as to obtaining standard time information and pps pulse per second signal；MCU, it is connected with Big Dipper time service receiving unit, for according to mark
Quasi- temporal information and pps pulse per second signal renewal reference clock time.But the intelligent electric energy meter uses Big Dipper time service receiving unit,
Positioning precision is not high, and reliability does not have Big Dipper GPS dual-mode alignment system high.
The Chinese invention patent of Application No. 2015106507461 discloses a kind of wearable intelligence of Big Dipper GPS location
Wrist-watch, the wearable intelligent watch of Big Dipper GPS location include CPU module, real-time clock module, display module, memory module, north
Bucket/GPS module, 3D acceleration sensor modules, power module, battery and one kind in bluetooth module or WIFI module or
It is a variety of.The intelligent watch is positioned by Big Dipper GPS dual-mode, and positioning precision can bring up to 2 meters, and reliability also carries than triangular web
It is high.The time is calibrated using big-dipper satellite and gps satellite simultaneously, the accuracy of time greatly improves.But the intelligent hand
Table function is single, is only only intended to show the time.
The content of the invention
Error be present and existing time clock feature is single, this hair to solve the problems, such as that RTC present in prior art is punctual
It is bright to provide a kind of satellite intelligent clock.
The technical problem to be solved in the present invention is achieved through the following technical solutions：
A kind of satellite intelligent clock, including MCU module, OLED display module, the Big Dipper/GPS dual-mode time service locating module, bluetooth pass
Defeated module, RTC block, function setting key group, formaldehyde examination module, laser PM2.5 detection modules, temperature and humidity sensing module and
Alarm/indicating module；
The input of the MCU module and the output end of OLED display module are connected, and the MCU module is awarded with the Big Dipper/GPS dual-mode
When the interactive connection of locating module, the MCU module is connected with Bluetooth communication modules interactive mode, the MCU module and RTC block
Interactive mode connection, the input of the MCU module are connected with the output end of function setting key group, the input of the MCU module
End is connected with the output end of formaldehyde examination module, and the MCU module is connected with laser PM2.5 detection modules interactive mode, the MCU
The input of module is connected with the output end of temperature and humidity sensing module.
Further, above-mentioned satellite intelligent clock also includes infrared remote receiver and remote control, and the remote control connects with infrared
Receive device by infrared radio to be connected, the output end of the infrared remote receiver and the input of MCU module connect.
Further, above-mentioned satellite intelligent clock also includes the power module to table pendulum clock power supply, the power supply
Module includes lithium ion polymer battery charhing unit, circuit protection unit and system working power converting unit.
Further, above-mentioned MCU module is STM32F107 chips.
Further, the model ATGM332D-5N-3X of the above-mentioned Big Dipper and GPS dual-mode time service locating module, the Big Dipper
It is connected with the pin RX of GPS dual-mode time service locating module and the pin PA2 of MCU module, the Big Dipper positions with GPS dual-mode time service
The pin TX of module and the pin PA3 connections of MCU module.
Further, the model 2-FE5 of above-mentioned formaldehyde examination module, the pin OUT and MCU of the formaldehyde examination module
The pin PC3 of module is connected.
Further, the model SDS018 of above-mentioned PM2.5 detection modules, the pin 2 of the PM2.5 detection modules with
The pin PD4 of MCU module is connected, and the pin 3 of the PM2.5 detection modules is connected with the pin PD5 of MCU module.
Further, the model AM2301 of above-mentioned temperature and humidity sensing module, the pin 2 of the temperature and humidity sensing module with
The pin PD1 of MCU module is connected.
Further, the model HS0038B of above-mentioned infrared remote receiver, the pin SD of the infrared remote receiver and and MCU
The pin PD2 connections of module.
Further, the model HM-10, the pin RX of the bluetooth module of above-mentioned bluetooth module and drawing for MCU module
Pin PB10 connections, the pin TX of the bluetooth module and the pin PB11 connections of MCU module.
Beneficial effects of the present invention：
1. the satellite intelligent clock of the present invention can detect the air quality and content of formaldehyde of local environment in real time, once it is exceeded
Alarm is made in time, improves study for user and working environment provides foundation.
2. the present invention satellite intelligent clock using the Big Dipper and the accurate satellite time transfer of GPS dual-mode by the way of, support single-frequency or
Person's work in combination pattern, ＜ 30ns time service precision can be reached；If temporarily can not receive satellite-signal, bluetooth can also be passed through
Intelligent terminal is connected, passes through time calibration in network；Infrared and Bluetooth function is with the addition of, can be by being remotely controlled or equipped with APP softwares
Intelligent terminal, as mobile phone or flat board carry out function setting, improve the man-machine experience sense of user.
3. the satellite intelligent clock complete machine appearance design of the present invention is elegant in appearance, using ABS blending and modifying plastic process, tool
There are very high heat resistance and impact strength.
The present invention is described in further details below with reference to drawings and Examples.
Brief description of the drawings
Fig. 1 is the main frame front schematic view of satellite intelligent clock of the present invention；
Fig. 2 is the main frame schematic rear view of satellite intelligent clock of the present invention；
Fig. 3 is the main frame left surface schematic diagram of satellite intelligent clock of the present invention；
Fig. 4 is the complete machine functional block diagram of the present invention；
Fig. 5 is the master control theory diagram of the present invention；
Fig. 6 is the OLED display module schematic diagram of the present invention；
Fig. 7 is the bimodulus time service module schematic diagram of the present invention；
Fig. 8 is the bluetooth module schematic diagram of the present invention；
Fig. 9 is the humiture module principle figure of the present invention；
Figure 10 is the PM2.5 detection principle diagrams of the present invention；
Figure 11 is the formaldehyde examination schematic diagram of the present invention；
Figure 12 is the infrared remote receiver schematic diagram of the present invention；
Figure 13 is the buzzer fundamental diagram of the present invention；
Figure 14 is the indicator lamp fundamental diagram of the present invention；
Figure 15 is the function button schematic diagram of the present invention；
Figure 16 is the complete machine power supply theory diagram of the present invention；
Figure 17 is the lithium ion polymer battery charging principle figure of the present invention；
Figure 18 is the system 5V voltage principle figures of the present invention.
In figure：1st, display screen includes time showing region；2nd, battery electric quantity viewing area；3rd, main frame local environment is real-time
PM2.5 values；4th, main frame local environment real time humiture value；5th, the real-time formaldehyde content values of main frame local environment；6th, main frame receives
The Big Dipper/gps satellite situation；7th, upper button；8th, lower button；9th, left button；10th, right button；The 11st, button is set；12nd, set and confirm
Key；13rd, switch is switched；14th, main frame local environment real time humiture value；15th, lithium ion polymer battery storehouse；16th, buzzer；
17th, adaptor power supplies interface；18th, the external Big Dipper/GPS receiving antenna interface；19th, working station indicator.
Embodiment
For the technological means and effect that the present invention reaches predetermined purpose and taken is expanded on further, below in conjunction with accompanying drawing and reality
Example embodiment, architectural feature and its effect to the present invention are applied, is described in detail as follows.
Error be present and existing time clock feature is single, this reality to solve the problems, such as that RTC present in prior art is punctual
Apply example and provide a kind of satellite intelligent clock.
Reference picture 1, the main frame front of the satellite intelligent clock are provided with display screen and function key group, and function key group is set
Put in the lower section of display screen.Display screen is real-time comprising time showing region 1, battery electric quantity viewing area 2, main frame local environment
PM2.5 values 3, main frame local environment real time humiture value 4, the real-time formaldehyde content values 5 of main frame local environment, main frame receive north
Bucket/gps satellite situation 6 and user's bluetooth connection status 14；Function key group includes upper button 7, lower button 8, left button 9, the right side
Button 10, button 11 is set, acknowledgement key 12 and switch switch 13 are set.
Reference picture 2, the main frame back side of the satellite intelligent clock be provided with lithium ion polymer battery storehouse 15, buzzer 16,
Adaptor power supplies interface 17 and the external Big Dipper/GPS receiving antenna interface 18.Reference picture 3, the main frame left side of the satellite intelligent clock
Face is provided with working station indicator 19.The satellite intelligent clock complete machine appearance design of the present embodiment is elegant in appearance, is total to using ABS
Prepared by mixed modification plastic process, have very high heat resistance and impact strength.
Reference picture 4 and Fig. 5, the satellite intelligent clock include MCU module, OLED display module, the Big Dipper/GPS dual-mode time service
Locating module, Bluetooth communication modules, RTC block and function setting key group.The input of MCU module and OLED display module
Output end is connected, and MCU module is connected with the Big Dipper/GPS dual-mode time service locating module interactive mode, MCU module and Bluetooth communication modules
Interactive mode connection, MCU module are connected with RTC block interactive mode, the input of MCU module and the output end of function setting key group
Connection.
The MCU module of the present embodiment is using STM32F107 as core processing unit.
The model of OLED display module is that SSD1322, the pin CS of OLED display module and the pin PA4 of MCU module connect
Connect, the pin SCLK of OLED display module and the pin PA5 connections of MCU module, pin SDIN and the MCU moulds of OLED display module
The pin PA6 connections of block, the pin D/C of OLED display module and the pin PA7 connections of MCU module.OLED display module is drawn
The corresponding pin VCCIN of pin 1, the corresponding pin VCCIN of pin 2, the corresponding pin CS2 of pin 3, the corresponding pin GND of pin 4, pin 5 are right
Answer pin CS1, the corresponding pin RES of pin 6, the corresponding pin D/C of pin 7, the corresponding pin GND of pin 8, the corresponding pin of pin 9
SCLK, the corresponding pin SDIN of pin 10.OLED display module schematic diagram reference picture 6, OLED display module, using 3.1 cun, screen
For resolution ratio up to 256 × 64, display content exquisiteness is attractive in appearance.Display module carries drive circuit, and market is general, is easy to opening for product
Hair.The control of display is realized by SPI1 interfaces between MCU.
The model ATGM332D-5N-3X of the Big Dipper and GPS dual-mode time service locating module, the Big Dipper position with GPS dual-mode time service
The pin RX of module and the pin PA2 connections of MCU module, the pin TX and MCU module of the Big Dipper and GPS dual-mode time service locating module
Pin PA3 connections.Bimodulus time service module schematic diagram reference picture 7.The Big Dipper and the chip of GPS dual-mode time service module are
ATGM332D-5N-3X, the module support BDS B1/GPS L1 frequencies, and comprising 32 tracking channels, the series can connect simultaneously
The GNSS signal of six satellite navigation systems is received, and realizes alignment by union, navigation and time service.Realized and believed by UART2 with MCU
The interaction and control of breath.The present embodiment supports single-frequency or combination work by the way of the Big Dipper and the accurate satellite time transfer of GPS dual-mode
Operation mode, ＜ 30ns time service precision can be reached.
The model HM-10 of bluetooth module, the pin RX of bluetooth module and the pin PB10 connections of MCU module, bluetooth mould
The pin TX of block and the pin PB11 connections of MCU module.Bluetooth module schematic diagram reference picture 8.Bluetooth communication modules, support
Bluetooth Specification V4.0 BLE agreements.The serial ports of the module receives and dispatches no byte limitation, facilitates data to pass
It is defeated, and support AT to instruct, user can change role as needed（Master and slave pattern）And serial port baud rate, device name,
Match the parameters such as password, using flexible.Interacting for data is realized by one group of serial ports between bluetooth module and MCU.User can be
The APP softwares developed are installed on the mobile phone of oneself or on intelligent terminal, intelligent clock can be changed anywhere or anytime
Configuration, and function setting is carried out to it, man-machine interaction sense is improved, internet time service can be also realized by bluetooth.
RTC keeps time circuit, the High-precision real-time clock chip SD3088 repaid using built-in crystal oscillator, wide temperature compensation.Using standard
I2C interface.When the non-time service of intelligent clock, time showing is carried out by RTC is punctual, once intelligent clock time service, you can to RTC
The progress time is calibrated, improves punctual precision.
The satellite intelligent clock of the present embodiment also includes temperature and humidity sensing module, the output end of temperature and humidity sensing module with
The input connection of MCU module.Humiture module principle figure reference picture 9.The model AM2301 of temperature and humidity sensing module, it is warm and humid
The pin 2 of degree sensing module is connected with the pin PD1 of MCU module.Temperature and humidity sensing modules A M2301 and MCU is using monobus
Mode carries out information transfer.The temperature and humidity sensing module uses AM2301 chips, pin 1,2,3 distinguish corresponding pin VDD,
DATA、GND.The module contains the humiture combined type trans of calibrated data signal output.Contain a condenser type in inside
Humidity sensing element and a high precision measuring temperature element, and be connected with 8 single-chip microcomputers of a high-performance.Therefore there is super fast response, resists
Interference performance is strong, it is cost-effective the advantages that.
The satellite intelligent clock of the present embodiment also includes laser PM2.5 detection modules, laser PM2.5 detection modules and MCU
The interactive connection of module.PM2.5 detection principle diagrams reference picture 10.The model SDS018, the PM2.5 of PM2.5 detection modules
The pin 2 of detection module is connected with the pin PD4 of MCU module, the pin 3 of the PM2.5 detection modules and the pin of MCU module
PD5 is connected.The corresponding pin NC of pin 1 of laser PM2.5 detection modules, the corresponding 1 μm of PWM outputs of pin 2, the corresponding pin of pin 3
5V power inputs, 4 corresponding pin of pin, 2.5 μm of PWM outputs, the corresponding pin GND of pin 5, the corresponding pin R of pin 6, pin 7 are right
Answer pin T.Laser PM2.5 detection modules use laser light scattering principle, can obtain 0.3~10 micron aerosol particulate matter in air
Concentration, using import laser and photosensitive-member, using optimization light path, Duct design and self calibration parameter algorithm, data stabilization
Reliably.It realizes the communication of information, the real-time PM2.5 values in bad border residing for collection between MCU by UART4.
The satellite intelligent clock of the present embodiment also includes formaldehyde sensor, the output end of formaldehyde sensor and MCU module
Input connects.Formaldehyde examination schematic diagram reference picture 11.Market upper part declares that the product of formaldehyde can be surveyed, and is cheap TVOC
Or VOC sensors, these sensors are to ethanol（Alcohol）, toluene（Paint）, cigarette（Tobacco tar）、H2（Hydrogen）Etc. many gas all
Reaction can be produced, that is to say, that when formaldehyde is measured, if this kind of VOC, then measure
Be just not necessarily formaldehyde, but synthetic chemistry pollutant（VOC/TVOC）, error is caused to test result, user can also be made
Into misleading.And the present embodiment uses the formaldehyde sensor that Britain develops, performance is excellent in civil area, and cost performance also compares
It is higher.The model 2-FE5 of the formaldehyde sensor, the sensor and MCU ADC12_IN13 connections, are sampled by AD, are obtained
The real-time content of formaldehyde of local environment.The pin OUT of formaldehyde sensor is connected with the pin PC3 of MCU module.The sensor is two
The sensor of electrode electro Chemical type, is realized by diffusion principle, therefore does not need external sampling hardware.When with the presence of formaldehyde gas
When, it will the direct current for having a very little produces；Sensor does not need power supply supply in itself, but this caused electric current needs
Data acquisition that will be outside is changed into readable signal.
The satellite intelligent clock of the present embodiment also includes alarm/indicating module, output end and the alarm/instruction of MCU module
The input connection of module.Alarm/indicating member is made up of buzzer circuit and working station indicator circuit.The side of buzzer one
Face responds as operation, to user with sound feedback, shows that intelligent clock has responded the operation and setting of user.On the other hand work as
The epidemic disaster of the environment residing for clock is detected, PM2.5 and content of formaldehyde are not suitable for user's body health, can be by rapid
Sound is to alert, call user's attention.Buzzer fundamental diagram reference picture 13.Intelligent clock is referred to by MCU self-tests, control
Show the work of lamp, show the current working condition of main frame.When the environment residing for detection intelligent clock is not suitable for user's body health
When, it can also control red led flicker alarm.Indicator lamp fundamental diagram reference picture 14.
The satellite intelligent clock of the present embodiment also includes infrared remote receiver and remote control, and remote control passes through with infrared remote receiver
Infrared radio is connected, and the output end of infrared remote receiver and the input of MCU module connect.The model of infrared remote receiver
HS0038B, the pin SD of infrared remote receiver are connected with the pin PD2 with MCU module.Infrared remote receiver schematic diagram reference picture 12.
Infrared remote receiver HS0038B is the IR receivers of remote-control sytem series of standard, supports all main transmission codes.Its interruption with MCU
Mouth connection, realizes the response of Infrared push button.The satellite intelligent clock of the present embodiment with the addition of infrared and Bluetooth function, can pass through
Remote control or the intelligent terminal equipped with APP softwares, as mobile phone or flat board carry out function setting, improve the man-machine experience of user
Sense.
Function setting key group includes upper and lower, left and right, setting and OK buttons, is connected respectively with MCU module, completes main frame
Various work set.The schematic diagram reference picture 15 of any function button.
The satellite intelligent clock of the present embodiment also includes power module, and power module provides to the complete machine of satellite intelligent clock
Power supply.Mainly contain lithium ion polymer battery charhing unit, circuit protection unit and system working power converting unit.It is whole
Electromechanical source control principle block diagram reference picture 16.
Lithium ion polymer battery charhing unit, it is using LTC4006EGN-6 as core.Lithium ion polymer battery charges
Schematic diagram reference picture 17.It is a complete constant current or constant-potential charge the device controller for being used for 2 section lithium batteries,
It uses few external module and is built among a compact package.PWM controllers are using a kind of synchronous, accurate constant frequency
Rate, constant off-time framework, audible noise will not be also produced when using Large Copacity ceramic capacitor.
Circuit protection unit includes overcurrent protection, filtering, overvoltage and under-voltage protection.Avoid caused by complete machine operation irregularity
High current or big voltage cause expendable infringement to system.MCU and various sensors in protection system.System 5V electricity
Press schematic diagram reference picture 18.
System working power converting unit provides 3.3V voltages using LT1963-3.3 for system work.The IC is a low
Pressure difference voltage-stablizer, aim at and realize fast transient response and optimize.The device can provide 1.5A output current and 340mV
Dropout voltage.Operating quiescent current is 1mA, and is reduced in shutdown mode less than 1 μ A.Quiescent current is in well-controlled shape
State；Different from other many voltage-stablizers, the quiescent current of this device will not increase under differential pressure conditions.
The circuit theory diagrams that those skilled in the art provides with reference to the accompanying drawings can carry out circuit connection, thus physical circuit
Connection no longer describes.
Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to is assert
The specific implementation of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of not departing from present inventive concept, some simple deduction or replace can also be made, should all be considered as belonging to the present invention's
Protection domain.
Claims (10)
- A kind of 1. satellite intelligent clock, it is characterised in that：Determine including MCU module, OLED display module, the Big Dipper/GPS dual-mode time service Position module, Bluetooth communication modules, RTC block, function setting key group, formaldehyde examination module, laser PM2.5 detection modules, temperature Humidity sensor module and alarm/indicating module；The input of the MCU module and the output end of OLED display module are connected, and the MCU module is awarded with the Big Dipper/GPS dual-mode When the interactive connection of locating module, the MCU module is connected with Bluetooth communication modules interactive mode, the MCU module and RTC block Interactive mode connection, the input of the MCU module are connected with the output end of function setting key group, the input of the MCU module End is connected with the output end of formaldehyde examination module, and the MCU module is connected with laser PM2.5 detection modules interactive mode, the MCU The input of module is connected with the output end of temperature and humidity sensing module.
- 2. satellite intelligent clock as claimed in claim 1, it is characterised in that：Also include infrared remote receiver and remote control, it is described Remote control is connected with infrared remote receiver by infrared radio, and the output end of the infrared remote receiver and the input of MCU module connect Connect.
- 3. satellite intelligent clock as claimed in claim 2, it is characterised in that：Also include the power supply to table pendulum clock power supply Module, the power module include lithium ion polymer battery charhing unit, circuit protection unit and the conversion of system working power Unit.
- 4. the satellite intelligent clock as any one of claim 1-3, it is characterised in that：The MCU module is STM32F107 chips.
- 5. satellite intelligent clock as claimed in claim 4, it is characterised in that：The Big Dipper and GPS dual-mode time service locating module Model ATGM332D-5N-3X, the Big Dipper and the pin RX of GPS dual-mode time service locating module and the pin of MCU module PA2 connections, the Big Dipper are connected with the pin TX of GPS dual-mode time service locating module and the pin PA3 of MCU module.
- 6. satellite intelligent clock as claimed in claim 4, it is characterised in that：The model 2-FE5 of the formaldehyde examination module, The pin OUT of the formaldehyde examination module is connected with the pin PC3 of MCU module.
- 7. satellite intelligent clock as claimed in claim 4, it is characterised in that：The model of the PM2.5 detection modules SDS018, the pin 2 of the PM2.5 detection modules are connected with the pin PD4 of MCU module, the pin of the PM2.5 detection modules 3 are connected with the pin PD5 of MCU module.
- 8. satellite intelligent clock as claimed in claim 4, it is characterised in that：The model of the temperature and humidity sensing module AM2301, the pin 2 of the temperature and humidity sensing module are connected with the pin PD1 of MCU module.
- 9. satellite intelligent clock as claimed in claim 4, it is characterised in that：The model HS0038B of the infrared remote receiver, The pin SD of the infrared remote receiver is connected with the pin PD2 with MCU module.
- 10. satellite intelligent clock as claimed in claim 4, it is characterised in that：The model HM-10 of the bluetooth module, institute State the pin RX of bluetooth module and the pin PB10 connections of MCU module, the pin TX of the bluetooth module and the pin of MCU module PB11 connections.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116990461A (en) * | 2023-08-14 | 2023-11-03 | 河南省保时安电子科技有限公司 | Automatic time service gas detection analyzer |
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| CN103117742A (en) * | 2011-11-17 | 2013-05-22 | 沈阳工业大学 | Global position system (GPS)/compass dual-mode satellite clock crystal oscillator disciplined system |
| CN202331027U (en) * | 2011-12-07 | 2012-07-11 | 上海海事大学 | Singlechip clock |
| WO2014089988A1 (en) * | 2012-12-14 | 2014-06-19 | 北京东方联星科技有限公司 | High-sensitivity beidou auxiliary timing device, timing receiver and timing method |
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| CN106814590A (en) * | 2016-11-30 | 2017-06-09 | 佛山市兴华源机械设备有限公司 | A kind of multi-functional alarm clock |
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Application publication date: 20171117 |