CN207625577U - Radio transmission control system based on bluetooth - Google Patents
Radio transmission control system based on bluetooth Download PDFInfo
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- CN207625577U CN207625577U CN201721233668.6U CN201721233668U CN207625577U CN 207625577 U CN207625577 U CN 207625577U CN 201721233668 U CN201721233668 U CN 201721233668U CN 207625577 U CN207625577 U CN 207625577U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The utility model discloses the radio transmission control systems based on bluetooth, including microcontroller, mobile terminal, and Household appliance control circuit, warning circuit, LCD liquid crystal display screen, fuel gas detection circuit and the bluetooth module being connect respectively with microcontroller；Bluetooth module completes the transmission of data between microcontroller for receiving the control instruction from mobile terminal by serial communication；Microcontroller is used to handle detection signal, the control instruction for parsing bluetooth module and the output control signal of fuel gas detection circuit, and the control to Household appliance control circuit, warning circuit is realized by controlling the state of corresponding single-chip microcomputer output.The utility model realizes the integral intelligent control of multichannel household electrical appliances using microcontroller and Bluetooth technology, and operation interface simple, intuitive is not error-prone, and the control response time is short, noiseless between each other to the control process of different household electrical appliances.
Description
Technical field
The utility model is related to the intelligent control technologies of household electrical appliance, the wireless transmission control system specially based on bluetooth
System.
Background technology
Household electrical appliance already become people life in indispensable electronic product, be followed by science and technology it is continuous into
Step, different types of household electrical appliances are gradually come into operation by consumer, therefore will be gone short of with electrical interface inside family.In order to
Solve the problems, such as this, more electric appliances, which can be used, must just utilize wiring board, the meeting but excessive wiring board comes into operation
Some potential safety problems is brought to people’s lives, Danger Electric shock risk, wiring board aging is likely to result in or power is excessively high causes
Wiring board it is on fire and cause fire etc..So how preferably to meet the same of multichannel household electrical appliances integral intelligent control
When again as possible be not present security risk, this is a urgent problem needed to be solved.
In recent years, many scientific ＆ technical corporation begin one's study developing intellectual resource appliance control system, but substantially to be produced from company
It is developed based on household electrical appliances, belongs to a relatively independent system, it is integrated still to cannot achieve household multi-circuit household electrical appliances
Intelligent control.A wiring board with distant control function is had also appeared currently on the market, is capable of the switch of synchronous control multichannel household electrical appliances,
But there are following disadvantages for this wiring board：The very intuitive operation interface of neither one, needs user to remember remote controler
On each button which household electrical appliances corresponded to, when just beginning to use or misremembering the correspondence of button and household electrical appliances, greatly
It is possible that maloperation, and the switch of household electrical appliances can only be solely controlled, it is unable to control the brightness of lighting system, also without Faxian
Show the real-time status etc. of each household electrical appliances, these factors lead to this product at present can't meet consumer for intelligence well
The demand that can be controlled.
Invention content
For the technical problem for solving present in the prior art, the utility model provides the wireless transmission control system based on bluetooth
System realizes that the integral intelligent of multichannel household electrical appliances controls using microcontroller and Bluetooth technology, and operation interface simple, intuitive is not easy out
Mistake, the control response time is short, noiseless between each other to the control process of different household electrical appliances.
The utility model is realized using following technical scheme：Radio transmission control system based on bluetooth, including monolithic
Machine, mobile terminal, and the Household appliance control circuit, warning circuit, LCD liquid crystal display screen, the combustible gas that are connect respectively with microcontroller
Physical examination slowdown monitoring circuit and bluetooth module；Bluetooth module passes through for receiving the control instruction from mobile terminal between microcontroller
Serial communication completes the transmission of data；Microcontroller is used to handle the detection signal of fuel gas detection circuit, parsing bluetooth module
Control instruction and output control signal, realized to home wiring control electricity by controlling the state of corresponding single-chip microcomputer output
The control on road, warning circuit.
Preferably, the Household appliance control circuit includes lighting system control circuit, electric appliance on-off control system control circuit
And electric machine control system control circuit, lighting system control circuit are connected by the output end of resistance R2 and microcontroller；Electric appliance is opened
Control system control circuit is closed to connect with the output end of the concatenated switching circuits of relay RL1 and microcontroller by triode Q1；
Electric machine control system control circuit by the first switch circuit and triode Q3 of triode Q2, relay RL2 composition, after
The second switch circuit of electric appliance RL3 composition and the output end of microcontroller connect, and motor rotates forward when first switch closing of circuit, and second
Motor reversal when switching circuit is closed；Warning circuit includes buzzer, and buzzer is by triode Q4 and is connected on triode Q4
The resistance R6 of base stage and the output end of microcontroller connect.
Preferably, the fuel gas detection circuit includes combustible gas sensor, AD conversion module, and AD conversion module connects
It is connected between combustible gas sensor and microcontroller.
Preferably, the radio transmission control system based on bluetooth further includes the power supply processing circuit for power supply；Institute
It includes sequentially connected transformer, current rectifying and wave filtering circuit and voltage-stabilizing output circuit to state power supply processing circuit, or including being connected
Power supply adaptor and voltage-stabilizing output circuit.
The utility model compared with prior art, has the following advantages that and advantageous effect：
1, the utility model radio transmission control system is using family's household electrical appliances as control object, in terms of wireless technology for
Communication distance it is of less demanding, Bluetooth communication has been able to meet the requirement to communication distance.Using bluetooth module by mobile phone or
The data command that IPAD etc. is sended over is transferred to control terminal in a manner of serial communication；Control terminal selects microcontroller, is used for
Complete the transmission of the analysis and household appliance control instruction of the data command received by HC-05 bluetooth serial ports communication modules；Select LCD
Liquid crystal display is as display terminal, when the real-time running state for accordingly executing terminal in system changes, display terminal
The current operating conditions for executing terminal can be refreshed in real time, it is that control terminal goes wrong to facilitate deciding on system when something goes wrong
Or external electric appliance goes wrong.
2, wireless remote control technology selects Bluetooth technology rather than GSM remote controls, need not use additional control terminal, only
Need the people such as mobile phone, notebook or IPAD bluetooth-capable smart electronics product used in everyday can to household electrical appliances into
Row wireless control.Meanwhile a very intuitive operation interface is suffered from these smart electronics products, it is less prone to maloperation
The phenomenon that.
3, entire radio transmission control system only takes up a 220V alternating current jack-plug socket, can but control three road appliance systems
And fuel gas detection circuit, first via appliance system are the adjustable lighting systems of brightness, the second road appliance system is that electric appliance is opened
Control system is closed, third road appliance system is the adjustable electric machine control system of positive and negative rotation；Bluetooth communications range is not less than 100 squares
Rice, control response time are less than 1 second, control process to switch of different household electrical appliances etc., do not interfere with or go here and there between each other code.
4, the concentration that can monitor indoor fuel gas in real time can in room air once fuel gas is revealed
After combustion gas bulk concentration reaches a certain concentration, microcontroller will control warning circuit and carry out audible alarm, meet people to combustion gas shape
The demand of state security monitoring.
Description of the drawings
Fig. 1 is the principles of the present invention block diagram；
Fig. 2 is the circuit diagram of single chip circuit；
Fig. 3 is the annexation figure of bluetooth module and single chip circuit；
Fig. 4 is the circuit diagram of bluetooth module；
Fig. 5 is fuel gas detection circuit and the annexation figure of single chip circuit；
Fig. 6 is LCD liquid crystal display screen and the annexation figure of single chip circuit；
Fig. 7 is the annexation figure of Household appliance control circuit and single chip circuit；
Fig. 8 is a kind of functional block diagram of power supply processing circuit；
Fig. 9 is another functional block diagram of power supply processing circuit；
Figure 10 is the circuit diagram of voltage-stabilizing output circuit.
Specific implementation mode
The present invention will be further described in detail with reference to the embodiments and the accompanying drawings, but the implementation of the utility model
Mode is without being limited thereto.
Embodiment
Radio transmission control system of the utility model based on bluetooth is based primarily upon STC89C52 single chip, HC-05 bluetooths
Serial communication modular (i.e. bluetooth module) and mobile terminal design；Bluetooth communication uses the connection type of point-to-point pairing, on
Position machine selection mobile terminal (such as mobile phone) is simultaneously set as host mode, slave computer selection by HC-05 bluetooth serial ports communication module and
The control terminal that single chip circuit collectively forms, is set as slave mode.
The design principle block diagram of whole system is as shown in Figure 1, include mainly single chip circuit on hardware configuration, at power supply
Manage circuit, Household appliance control circuit, warning circuit, LCD liquid crystal display screen, fuel gas detection circuit and bluetooth module, microcontroller
Circuit is connect with Household appliance control circuit, warning circuit, bluetooth module, LCD liquid crystal display screen, fuel gas detection circuit respectively.
Wherein Household appliance control circuit includes lighting system control circuit, electric appliance on-off control system control circuit and electric machine control system control
Circuit processed；Bluetooth module is responsible for receiving the control instruction from mobile terminal, complete by serial communication between single chip circuit
At the transmission of data；Single chip circuit is the control terminal of system, and the control instruction and output for parsing bluetooth module control
Signal controls the state of corresponding output end to realize the control to Household appliance control circuit, warning circuit by microcontroller.
Single chip circuit includes mainly 51 microcontrollers, reset circuit and 11.0592M crystal oscillating circuits.Such as Fig. 2, U1 DIP40
The STC89C52 single chip of encapsulation, X1 are that a frequency size is 11.0592M crystal oscillators, can be accurately calculated
9600MHz baud rates so that bit error rate when carrying out serial communication between microcontroller and bluetooth module is lower, and data transmission is more
Stablize, two ceramic disc capacitors of C1 and C2 are for assisting crystal oscillator to play shake；P0-P3 is 4 groups of 32 two-way I/O ports of standard of microcontroller, is used for
As control is output and input, VCC (40 pin) connects supply voltage, and VSS (20 pin) is ground terminal, and RST (9 pin) is to reset
Input terminal is used for the reset of microcontroller, and RXD (10 pin) and TXD (11 pin) are to communicate serial ports, XTAL1 (19 pin) and
XTAL2 (18 pin) is crystal oscillating circuit port.Reset key, capacitance C3 and resistance R1 form the classical of 51 microcontrollers and reset electricity
Road, reset circuit are an indispensable parts in single chip circuit, and main function is can in the case where system does not power off
Realize initialization.Reset key is pressed multiple for forcing system reset, the reset function of 51 microcontrollers to be enabled by high level
After the button of position, capacitance repid discharge that circuit passes through 10 μ F so that RST pins become high level by low level, complete microcontroller
Homing action.When reset key is not pressed, circuit passes through the resistance repid discharge of 10K Ω so that RST pins are by high electricity
It is flat to become low level again, stop the homing action of microcontroller.
HC-05 bluetooth serial ports communication modules can be applied to match with the intelligent terminal of various included Bluetooth functions, such as hand
Machine, laptop and IPAD etc..HC-05 bluetooth serial ports communication module can be led in 4800-1382400 baud rate scopes
Letter, this system are powered with 5V to it.This bluetooth module has two different working methods, respectively AT instruction response moulds
Formula and automatic connection mode.In the case where AT instructs response modes, setting and the control command of parameter can be changed by AT command set
Transmission；Under connection operating mode automatically, be divided into as holotype and slave pattern, the pattern set according to user into
Row is in communication with each other.The RXD of bluetooth module and microcontroller communicates serial ports, TXD communication serial ports connections, as shown in Figure 3.Bluetooth module master
Will include HC-05 principal and subordinate's one Bluetooth chip, 3.3VLDO regulator circuits and working station indicator circuit D1, as shown in figure 4,
The connection type of MAX3232 transceivers and Bluetooth chip HC-05 be common-battery source altogether, and RXD pins and the interconnection of TXD pins, and
P1 draws row array for pin；U3 is HC-05 bluetooth serial ports communication chips, this chip interior comes with MCU, and the utility model is only
With its function of Bluetooth communication, MCU outputs controlling switch does hanging processing, and module TX and RX pin is distinguished for serial communication pin
It is connected to the RX (P30 mouthfuls) and TX (P31 mouthfuls) of microcontroller；Button SW-PB is module working condition set key, by key pressing module
PIO11 pins connect high level, and module enters AT instruction response modes, can accordingly be operated to bluetooth module at this time,
In order to facilitate system boot automatically into Setting pattern, this pin can also be directly connected to DC3.3V.
In mobile terminal, as installed bluetooth serial ports assistant in Android mobile phone, this can realize serial communication in the prior art
The software of debugging realizes the functions such as search, pairing, connection, data transmission to connect bluetooth equipment.It is a existing using this
Ripe software can carry out the communication test of bluetooth serial ports in technology, complete the interconnection with Bluetooth of mobile phone serial ports.Bluetooth
The major function of serial ports assistant is：It was found that and connection bluetooth serial ports module；Send and receive data；ASCII character may be selected to show
Either HEX hexadecimals are shown；Send hexadecimal data；The data that serial ports is received are preserved into txt file；To sending
It is counted with the byte of reception.Have in this system 3 road appliance systems be directly by Bluetooth control, be respectively lighting system,
Electric appliance switch system and electric machine control system, in order to enable operation interface simple, intuitive, on bluetooth serial ports assistant's software of mobile phone
It is provided with 8 virtual keys altogether, title is brightness increase respectively, brightness reduces, closes illumination, electric appliance is opened, electric appliance closes
Close, motor rotates forward, motor reversal and motor are closed, corresponding instruction be respectively 0X12,0X13,0X14,0X01,0X02,
0X03,0X04 and 0X05.The control object of the present embodiment is headlamp, household electrical appliances, curtain and combustible gas sensor, for illumination
Lamp utilizes the parameter of control headlamp PWM in Bluetooth commands modification microcontroller；For household electrical appliances, Bluetooth commands control and family are utilized
Be electrically connected the actuation of the relay connect；For curtain, the current direction of motor H-bridge circuit is controlled using Bluetooth commands；For can
Combustion gas body sensor controls actuation of an alarm using the comparison of sensor output voltage and microcontroller predetermined value.
Fuel gas detection circuit and the connection relation of single chip circuit such as Fig. 5, including combustible gas sensor, AD conversion
Module, AD conversion module are connected between combustible gas sensor and microcontroller.It can using the detection of MQ-5 combustible gas sensors
Combustion gas bulk concentration, for MQ-5 combustible gas sensors under the bigger environment of combustable gas concentration, the voltage of output is bigger, sensing
The range of device output voltage is 0.1-4.95V, if voltage illustrates that air is relatively pollution-free between 0.1-0.3V, once be more than
4V then shows that combustable gas concentration is higher at this time.And AD conversion module uses AD0809 conversion modules, is a kind of 8 moduluses turn
Block is changed the mold, CMOS technology is used, encapsulates 28 pins, 8 tunnel analog signal inputs, input voltage range is 0-5V, mould
Number conversion times be 100 μ s, AD0809 conversion chips in have a ternary output data latches, can directly and data it is total
Line connects.In Figure 5, the input terminal of combustible gas sensor is connected with the IN3 pins of AD conversion module, AD conversion module
This four signal controlling switch of CLK, STR, OE and EOC are connected with the P3 of 51 microcontrollers mouths, the OUT1-OUT7 numbers of AD conversion module
Word amount delivery outlet is connected with the P1 of 51 microcontrollers mouths；Its operation principle is：When sensor detects combustable gas concentration in environment
When changing, the output voltage of sensor can change, while the analog quantity for being output to AD conversion module can also be sent out therewith
Changing, analog quantity become digital quantity after AD conversion module, then are output to microcontroller and carry out data analysis, once number in real time
Word amount is higher by predetermined value, and microcontroller will send out corresponding instruction immediately, and the warning circuit in control system executes alarm operation.
LCD liquid crystal display screen selects LCD12864 liquid crystal displays, carries Chinese word library, can show 4 row, 32 Chinese characters,
And equipped with the adjustable potentiometer for adjusting display screen contrast, the preferred 10K resistance values of adjustable potentiometer.Fig. 6 illustrates LCD liquid crystal
The connection relation of display screen and single chip circuit, VDD foot welding system power supplys, GND feet ground connection, VR feet are that LCD contrast adjusting is drawn
Control is adjusted in foot, external 10K potentiometers, and liquid crystal RS, A0 and R/W pin is signal controlling switch, for controlling liquid crystal number
According to the sequential of transmission, liquid crystal D0-D7 feet are liquid-crystal data output port.The liquid crystal display of the utility model uses parallel output mould
Formula and microcontroller into row data communication, using parallel communication fashion message transmission rate faster, data are more stable.Liquid crystal display
The effect of screen can not only observe household electrical appliances current operating conditions in real time, and user can also be allowed to form a prompt judgement out the system failure
Source.
The connection relation of three road Household appliance control circuits, warning circuit and single chip circuit is as shown in fig. 7, lighting system controls
Circuit is connected by the output end of resistance R2 and microcontroller, and electric appliance on-off control system control circuit passes through triode Q1 and relay
The output end of the concatenated switching circuits of device RL1 and microcontroller connects, and electric machine control system control circuit passes through triode Q2, relay
The output end connection of device RL2, triode Q3, the biswitch circuit of relay RL3 compositions and microcontroller, triode Q2, relay
Motor rotates forward when the first switch closing of circuit of RL2 compositions, the second switch closing of circuit that triode Q3, relay RL3 are formed
When motor reversal, the buzzer of warning circuit is by triode Q4 and is connected on the resistance R6 and microcontroller of triode Q4 base stages
Output end connects.Q1, Q2 and Q3 are PNP triode in Fig. 7, for controlling the break-make of relay, when microcontroller exports high level
When triode PN junction be high-impedance state, relay can not be attracted, and relay and external circuit can not constitute power circuit, household electrical appliances
It is closed.When microcontroller exports low level, the PN junction of triode is connected, and engagement, household electrical appliances are switched after relay power
Switch access city's electrical circuit, household electrical appliances are in the conduction state.Q4 is also a kind of PNP triode, for driving buzzer.Due to buzzing
The driving current of device is mA ranks, and the driving current of the I/O mouths of 51 microcontrollers only has μ A ranks, so if only using single
Piece machine drives buzzer, buzzer that can not then pipe.Therefore driving current is amplified with triode Q4, while coordinates 1K
Resistance reduces the electric current flowed into inside microcontroller, could more effectively drive buzzer.
After system powers on, it is necessary first to be initialized to each control unit of system, the initialization of system is main
It is the assignment initialization for completing one-chip machine port level, the initialization of liquid crystal display is mainly read-write operation and display interface
Assignment initialization, Bluetooth communication serial ports initialization mainly complete bluetooth module startup and pairing.Completion system is initial
After change, Bluetooth of mobile phone and bluetooth module start to interconnect, and after successful matching, carry out controlling corresponding household electrical appliances circuit, execute corresponding
Instruction operation.There are one indicator light is matched in HC-05 bluetooth serial ports communication modules, if successfully matched with another bluetooth module
To connection, indicator light can be bright primary every one second；Conversely, indicator light can be with a kind of more glittering than faster frequency.
For power supply processing circuit, 220V AC voltage can be carried out decompression processing by transformer, be transformed into 12V friendships
Galvanic electricity pressure, then alternating voltage is become DC voltage by rectified bridge circuit, then realizes that DC5V voltages are defeated by filtering, after voltage stabilizing
Go out, the hardware block diagram of this scheme is as shown in figure 8, include sequentially connected transformer, current rectifying and wave filtering circuit and voltage stabilizing output electricity
Road；Power supply adaptor can also be used to carry out lowering and stabilizing blood pressure processing to alternating current 220V alternating current, then DC5V electricity is realized through regulator circuit
Pressure output, the hardware block diagram of this scheme is as shown in figure 9, include power supply adaptor, the voltage-stabilizing output circuit being connected.Above two
A scheme can meet requirement of the utility model to supply voltage, but scheme one deposits high voltage conversion low-voltage part
In security risk, slightly carelessness may cause electric shock accidents, be set so if carrying out power supply processing circuit using scheme one
Meter just needs to accomplish in the design process that carefully with caution, strong power part will carry out insulation shielding work.And it is set using scheme two
Count relatively easy, being sealed to the power supply adaptor of the various specifications inside insulation crust currently on the market can buy, and
And price is relatively low, existing power supply adaptor in the market, which may be used, by 220V alternating currents to DC5V output par, cs completes.This reality
It applies a preferred embodiment two to be designed power supply processing circuit, and using voltage-stabilizing output circuit shown in Fig. 10 to power supply adaptor
DC voltage carries out voltage stabilizing output after conversion.J1 is power supply adaptor input port, two used in aluminium electrolytic capactiance of C1 and C2 in Figure 10
In the low frequency spur interference of filtering power circuit, C3 ceramic disc capacitors are used to filter the high frequency spurs interference of power circuit, LM7805
It is DC5V DC voltage-stabilizing chips, for ensureing no matter how front end input voltage fluctuates, and output voltage stabilization is in 4.95-5.05 models
In enclosing；Measured result, output voltage stabilization is in 5.03V.
Above-described embodiment is the preferable embodiment of the utility model, but the embodiment of the utility model is not by above-mentioned
The limitation of embodiment, under other any Spirit Essences and principle without departing from the utility model made by change, modify, replace
In generation, simplifies combination, should be equivalent substitute mode, is included within the scope of protection of the utility model.
Claims (9)
1. the radio transmission control system based on bluetooth, which is characterized in that including microcontroller, mobile terminal, and respectively with list
Household appliance control circuit, warning circuit, LCD liquid crystal display screen, fuel gas detection circuit and the bluetooth module of piece machine connection；Bluetooth
Module completes the transmission of data between microcontroller for receiving the control instruction from mobile terminal by serial communication；It is single
Piece machine is used to handle detection signal, the control instruction for parsing bluetooth module and the output control signal of fuel gas detection circuit,
The control to Household appliance control circuit, warning circuit is realized by controlling the state of corresponding single-chip microcomputer output；
The Household appliance control circuit includes lighting system control circuit, electric appliance on-off control system control circuit and motor control system
System control circuit, lighting system control circuit pass through the output end of resistance R2 and microcontroller and connect；Electric appliance on-off control system control
Circuit processed is connect by triode Q1 with the output end of the concatenated switching circuits of relay RL1 and microcontroller；Electric machine control system
Control circuit is made up of triode Q2, the first switch circuit of relay RL2 compositions and triode Q3, relay RL3
The output end of second switch circuit and microcontroller connects, and motor rotates forward when first switch closing of circuit, second switch closing of circuit
When motor reversal；Warning circuit includes buzzer, and buzzer is by triode Q4 and is connected on the resistance R6 of triode Q4 base stages
It is connect with the output end of microcontroller.
2. the radio transmission control system according to claim 1 based on bluetooth, which is characterized in that the combustible gas physical examination
Slowdown monitoring circuit includes combustible gas sensor, AD conversion module, AD conversion module be connected to combustible gas sensor and microcontroller it
Between.
3. the radio transmission control system according to claim 2 based on bluetooth, which is characterized in that the fuel gas passes
Sensor is MQ-5 combustible gas sensors.
4. the radio transmission control system according to claim 1 based on bluetooth, which is characterized in that the bluetooth module is
HC-05 bluetooth serial ports communication modules.
5. the radio transmission control system according to claim 1 based on bluetooth, which is characterized in that the LCD liquid crystals
Display screen is the LCD12864 liquid crystal displays of included Chinese word library.
6. the radio transmission control system according to claim 5 based on bluetooth, which is characterized in that the LCD12864 liquid
The external adjustable potentiometers of LCD contrast adjustment pin VR of crystalline substance screen.
7. the radio transmission control system according to claim 1 based on bluetooth, which is characterized in that described based on bluetooth
Radio transmission control system further includes the power supply processing circuit for power supply, and the power supply processing circuit includes sequentially connected change
Depressor, current rectifying and wave filtering circuit and voltage-stabilizing output circuit.
8. the radio transmission control system according to claim 1 based on bluetooth, which is characterized in that described based on bluetooth
Radio transmission control system further includes the power supply processing circuit for power supply, and the power supply processing circuit includes the power supply being connected
Adapter and voltage-stabilizing output circuit.
9. the radio transmission control system according to claim 1 based on bluetooth, which is characterized in that the microcontroller is 51
Microcontroller；The RESET input of 51 microcontrollers is equipped with reset circuit, and crystal oscillating circuit port is equipped with 11.0592M crystal oscillating circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721233668.6U CN207625577U (en) | 2017-09-25 | 2017-09-25 | Radio transmission control system based on bluetooth |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721233668.6U CN207625577U (en) | 2017-09-25 | 2017-09-25 | Radio transmission control system based on bluetooth |
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| CN207625577U true CN207625577U (en) | 2018-07-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109557845A (en) * | 2018-11-18 | 2019-04-02 | 安徽大学 | A kind of parameter setter based on wireless telecommunications |
| CN110189436A (en) * | 2019-03-26 | 2019-08-30 | 昆明理工大学 | A kind of SCM Based shared bicycle bluetooth unlocking system |
-
2017
- 2017-09-25 CN CN201721233668.6U patent/CN207625577U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109557845A (en) * | 2018-11-18 | 2019-04-02 | 安徽大学 | A kind of parameter setter based on wireless telecommunications |
| CN110189436A (en) * | 2019-03-26 | 2019-08-30 | 昆明理工大学 | A kind of SCM Based shared bicycle bluetooth unlocking system |
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