CN109870962A - A kind of control system and its control method of hair dryer - Google Patents
A kind of control system and its control method of hair dryer Download PDFInfo
- Publication number
- CN109870962A CN109870962A CN201910274083.6A CN201910274083A CN109870962A CN 109870962 A CN109870962 A CN 109870962A CN 201910274083 A CN201910274083 A CN 201910274083A CN 109870962 A CN109870962 A CN 109870962A
- Authority
- CN
- China
- Prior art keywords
- module
- micro process
- mcu micro
- control centre
- process control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000004886 process control Methods 0.000 claims abstract description 91
- 238000001514 detection method Methods 0.000 claims abstract description 89
- 230000002787 reinforcement Effects 0.000 claims abstract description 7
- 230000033228 biological regulation Effects 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 14
- 230000005611 electricity Effects 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 9
- 238000012360 testing method Methods 0.000 claims description 9
- 230000008859 change Effects 0.000 claims description 5
- 230000002708 enhancing effect Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 230000000875 corresponding effect Effects 0.000 description 12
- 239000000463 material Substances 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 230000013011 mating Effects 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005662 electromechanics Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Abstract
The present invention provides the control system and its control method of a kind of hair dryer, including battery pack, start speed adjusting module, speed-regulating signal detection module, auxiliary power module, MCU micro process control centre, pwm signal reinforces drive module, circuit protection module, temperature detecting module, motor, the data information that MCU micro process control centre focuses on modules carries out operation, determine, corresponding control instruction pwm signal is finally issued to reinforce the cell voltage that drive module provides auxiliary power module and be converted to a higher suitable voltage assisting, reinforcement is amplified to the PWM generated from MCU micro process control centre, the ability of the driving signal of hoisting power pipe.The present invention a kind of control system and its control method of hair dryer, solve the problems, such as that temperature raising, raising efficiency caused by traditional drive control reduce temperature, improve job stability.
Description
Technical field
The present invention relates to the technical field of direct current drive intelligent control blower, in particular to a kind of control system of hair dryer
And its control method.
Background technique
Existing direct current (the various DC voltages containing various battery 4.2V to 84V) air blast motor control program low efficiency, body
Product is big, and power device temperature is high, and temperature rise is big, and reliability is low.Since the revolving speed of motor is high, wind-force is big, generates temperature raising and heat
Greatly, there is a problem of inevitable: 1. burning controller power devices, 2. energy consumptions are high, and service life is short；3. if caused with battery
Service time of battery is short, and electric discharge is fast；4. function is simple, not perfect, easy burning motor is protected；5. working efficiency is low, improves and disappear
Consume cost.
Summary of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, the control system and its control of a kind of hair dryer are provided
Method processed realizes software high-frequency convertor technology using intelligent MCU chip, pushes high-power power tube, and then control matched
Direct current generator runs at high speed, and solves the problems, such as that temperature raising, raising efficiency caused by traditional drive control reduce temperature
Degree, improves job stability.
To achieve the above object, the invention proposes a kind of control systems of hair dryer, including battery pack, switch governor mould
Block, speed-regulating signal detection module, accessory power supply, MCU micro process control centre, pwm signal reinforce drive module, circuit protection mould
Block, temperature detecting module, motor, battery pack are connect with above-mentioned modules respectively, for the power supply of modules, switch
The output end of speed adjusting module is connect with the input terminal of speed-regulating signal detection module, for connecting the auxiliary of battery Yu entire wiring board
Power unit, and the starting and stopping and rotation speed of fan size of control blower, the output end of speed-regulating signal detection module and the micro- place MCU
The input terminal connection for managing control centre, for receiving the speed signal of switch governor module transmission, and speed signal is sent to
MCU micro process control centre, from battery supply by the parallel on-off switch on stepless time adjustment switch to accessory power supply part
Power supply, the output end of accessory power supply reinforce the input of drive module with the input terminal of MCU micro process control centre and signal respectively
End connection reinforces the accessory power supply of drive module, the control of MCU micro process for providing MCU micro process control centre and pwm signal
The output end at center also reinforces drive module with pwm signal respectively, circuit protection module is connect, centralized processing speed-regulating signal detection
Module, pwm signal reinforce drive module, the data information of circuit protection module various pieces carries out operation, determines, finally issue
The input terminal of corresponding control instruction, output end and circuit protection module that pwm signal reinforces drive module connects, by auxiliary electricity
The cell voltage that source provides is converted to a higher suitable voltage and assists, to what is generated from MCU micro process control centre
PWM amplifies reinforcement, and the output end of the ability of the driving signal of hoisting power pipe, circuit protection module is connected to motor, and uses
In the instruction for receiving MCU micro process control centre, power tube and motor are protected, motor also connects with battery and power tube
It connects, wind-force needed for user is provided, the input terminal of temperature detecting module and the output end of circuit protection module connect, temperature detection mould
The output end of block is connect with the input terminal of MCU micro process control centre, for detecting temperature change and power tube in battery pack
Temperature variations, and will test signal and be sent to MCU micro process control centre, phase is made by control centre by MCU micro process
It should instruct.
Reinforce drive module by setting pwm signal, cooperates with MCU micro process control centre and auxiliary power module
Setting, converts battery voltage to a higher suitable voltage and assists, for what is generated from MCU micro process control centre
PWM amplifies reinforcement, and the ability of the driving signal of hoisting power pipe reduces the loss generated when power tube work, the micro- place MCU
The PWM driving frequency of reason control centre control need to only work at low frequencies, reach power tube without extra heat dissipation, so that it may very
Reliably working is realized well, optimizes the deficiency of high-frequency work completely, while reducing booting for the rush of current of power tube, is passed through
Circuit protection function module and temperature monitoring module are set, allow user use it is safer, more trust, while improving product
Working efficiency, realize the powerful demand of different application；The compatible design of DC power supply and battery, facilitates that user's is portable
Formula or the demand used for a long time, the raising of efficiency can reduce by 20% or more on using material cost, save the working time
With mating consumptive material, the energy is saved.
Preferably, the switch governor module includes stepless time adjustment switch module and three keep off speed-regulating control modules, it is described
Parallel on-off switch is additionally provided in the speed-regulating switch module of pole, the signal detection module includes switch governor signal detection module
With three gear speed regulation detection switch modules, the input terminal of the switch governor signal detection module and stepless time adjustment switch are connected, are opened
The output end for closing speed-regulating signal detection module is connect with MCU micro process control centre, for receiving the signal of stepless time adjustment switch
Change and is sent to MCU micro process control centre, the input terminal and three gear speed regulating controls of the three gears speed regulation detection switch module
The output end of module connection, three gear speed regulation detection switch modules is connect with MCU micro process control centre, for receiving three gear speed regulation
The signal intensity of control module is simultaneously sent to and judges artificial gear situation to MCU micro process control centre.
The setting of stepless time adjustment switch module and three gear speed-regulating control modules, more the gear setting of refinement wind-force size,
To facilitate user under this gear, more accurate switched by stepless time adjustment cooperates, and it is big to reach arbitrary control wind-force
It is small, while it being not limited to the selection of three gears, it realizes electronic gear and determines (perseverance) speed/stepless time adjustment function, and in various revolving speeds
It may insure stabilization of speed, work efficiency is high.
Preferably, the battery pack further includes battery pack ID signal detection module, battery pack inside recognition detection module
With battery voltage signal detection module, the output end of the battery pack ID signal detection module and MCU micro process control centre connect
It connects, the battery pack for being connected into different batteries carries out identification and judges the joint number of battery, and transmits the signal to the micro- place MCU
Control centre is managed, automatically giving for corresponding voltage, electric current revolving speed and protection, the battery are made by MCU micro process control centre
The output end for wrapping internal recognition detection module is connect with MCU micro process control centre, for identification in battery pack battery interface
Situation simultaneously will test signal and be sent to MCU micro process control centre, and MCU micro process control centre control motor is made corresponding dynamic
Make, the output end of the battery voltage signal detection module is connect with MCU micro process control centre, for the electricity in battery pack
Cell voltage carries out data sampling, and sampled data is sent to MCU micro process control centre and makes corresponding regulation.
Pass through recognition detection inside battery pack identification id signal detection module, battery pack and temperature detecting module, battery electricity
The mutual cooperation setting for pressing signal detection module, to the automatic identification of the battery pack of different voltages, the connection of battery and temperature
Degree detection, improves the stability used the product by the user, facilitates the flexible configuration of user, meet the needs of different demands.
Preferably, further include motor current signal detection module, the motor current signal detection module and the micro- place MCU
Control centre's connection is managed, for detecting the size by current of electric, and sends the detected signal to the control of MCU micro process
Corresponding control instruction is made by center, MCU micro process control centre.Motor current signal detection module is to the electric current for flowing into motor
Be measured in real time, if being abnormal, MCU micro process control centre can make instruction cutting current of electric, stop motor after
Continuous work, protects motor, prevents motor rotation blockage, burns.
A kind of control method of hair dryer, includes the following steps:
Step 1: installing battery pack on demand, initializing set is manually pressed by switch, and entire circuit is connected；
Step 2: auxiliary power module is started to work, and cell voltage a part powers to U3 by R10, generates the steady of VCC by U3
Determine power supply, reinforces drive module for pwm signal and power supply support is provided, cell voltage another part powers to U2 by R42, by U2
V1 voltage is generated for MCU micro process control centre powered operation；
Step 3:MCU micro process control centre starts to be resetted, self-test, temperature, fan speed regulation shelves to battery and power tube
Position is identified；
The output end of step 4:MCU micro process control centre U1 exports PWM waveform to the input terminal of U4, by pwm signal
Reinforce the enhanced processing of drive module, the signal of reinforcement is sent to the power tube Q3 and Q4 of circuit protection module, power tube Q3 and
Q4 is open-minded；
Step 5: motor is started to work under the power supply of accessory power supply and battery, provides wind-force.
Reinforce drive module by setting pwm signal, changes traditional MCU micro process control centre and directly drive power
The significant drawback of pipe Q3, Q4, MCU micro process control centre can use low-frequency driving pwm signal, using pwm signal
The signal enhanced processing for reinforcing drive module powers to motor, reduces the switching loss of power tube Q3, Q4, reduce power
The temperature of pipe Q3, Q4, improve efficiency, realize and assist without extra heat dissipation device, so that it may make power tube operating temperature non-
It is often low, reliability is improved, the working frequency for solving PWM in traditional design is high, and the power tube switching loss of product is big, causes
Power tube temperature is very high when work, the big drawback of heat and insecure hidden danger, while substantially reducing the electricity of booting moment
Machine rush of current protects power tube Q3, the trouble free service of Q4, so that it is easily achieved the soft start of motor, high-speed response
Ability also can freely promote the sensitivity of motor response.
Preferably, switch is that stepless time adjustment switchs in the step 1, stepless time adjustment switch is equipped with parallel on-off and opens
It closes, and switchs side and adjust the speed button equipped with gear, carry out the adjustment control of wind speed, reach arbitrary control wind-force size, together
When be not limited to the selection of gear speed, realize electronic gear and determine (perseverance) speed/stepless time adjustment function, and can in various revolving speeds
To ensure stabilization of speed, work efficiency is high.
Preferably, MCU micro process control centre also believes battery voltage signal detection, current of electric in the step 3
Identification signal detection is identified inside number detection, battery pack identification id signal detection, battery pack, and makes command adapted thereto, right
The automatic identification of the battery pack of different voltages, the connection of battery and temperature detection, improve the stability used the product by the user,
The flexible configuration for facilitating user meets the needs of different demands.
Preferably, the frequency for the PWM waveform that MCU micro process control centre U1 is exported in the step 4 is less than
20KHZ, which is sent to pwm signal by R13 and reinforces drive module progress signal enhancing, using low-frequency
Pwm signal is driven, then reinforces the signal enhancing of drive module by pwm signal, improves product efficiency, temperature rise is low, energy consumption
It is low, the energy content of battery is saved, further reduced the wasting of resources.
Preferably, the pwm signal that MCU micro process control centre exports in the step 4, reaches U4 by R13, U4 exists
Under the voltage conditions of the VCC of auxiliary power module, the voltage and current amplification of pwm signal is carried out, R2 is passed through in U4 output, and D4, R6 are gone
Power tube Q3, Q4, the combination of R2 and R6, delay are opened in the combination of drive control power tube Q3 and power tube Q4, R2 and D4, acceleration
Power tube rapidly switches off, and bring benefit is exactly that the loss of power tube Q3, Q4 reduce, and temperature rise reduces, and reduces power tube Q3, Q4
Peak voltage.
Beneficial effects of the present invention:
1. high-efficient, temperature rise is low, and energy consumption reduces, and saves 20% or more the energy content of battery；
The speed of gear more than 2. setting, it is easy to control, it is every gear again can stepless time adjustment, operate it is very flexible；
3. the automatic identification of the battery pack of different voltages and the temperature detection of battery facilitate the flexible configuration of user, meet different
The needs of demand；
4. high revolving speed, wind-force is powerful, meets the specific selection of various uses and occasion；
5. the compatible design of DC power supply and battery, the demand for facilitating the portable of user or using for a long time, effect
The raising of rate can reduce by 20% or more on using material cost, save working time and mating consumptive material, save energy
Source；
6. long-life, high reliability improve recycling rate of waterused, reduce the wasting of resources and the scrap rubbish of related mating industry
Rubbish,
7. super-low standby power consumption, it is ensured that without in use, the self discharge do not pulled out of battery facilitates next time then close to 0 uA
It uses.
Feature and advantage of the invention will be described in detail by embodiment combination attached drawing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention.
Fig. 2 is the circuit diagram of the embodiment of the present invention.
In figure: 1- starts speed adjusting module, 2- speed-regulating signal detection module, 3- auxiliary power module, the control of 4-MCU micro process
Drive module, 6- circuit protection module, 7- temperature detecting module, 8- motor, the identification of 9- battery pack are reinforced in center, 5-PWM signal
Recognition detection and temperature detecting module, 11- stepless time adjustment switch module, 12- tri- inside ID signal detection module, 10- battery pack
Keep off speed-regulating control module, 13- motor current signal detection module, 14- battery voltage signal detection module, 21- switch governor letter
Number detection module, the gear speed regulation detection switch module of 22- tri-.
Specific embodiment
In order to make the objectives, technical solutions and advantages of the present invention clearer, below by accompanying drawings and embodiments, to this
Invention is further elaborated.However, it should be understood that the specific embodiments described herein are merely illustrative of the present invention,
The range being not intended to restrict the invention.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to keep away
Exempt from unnecessarily to obscure idea of the invention.
As depicted in figs. 1 and 2, the present embodiment proposes a kind of control system of hair dryer, including battery pack, switch governor
Module 1, speed-regulating signal detection module 2, accessory power supply 3, MCU micro process control centre 4, pwm signal reinforce drive module 5, electricity
Road protective module 6, temperature detecting module 7, motor 8,
Battery pack is connect with above-mentioned modules respectively, for the power supply of modules,
The switch governor module 1 includes stepless time adjustment switch module 11 and three gear speed-regulating control modules 12, stepless time adjustment switch
Module 11 is equipped with parallel connect and switchs, and for the on-off of entire circuit, the speed-regulating signal detection module 2 includes switch governor
Signal detection module 21 and three gear speed regulation detection switch modules 22, the output end and switch governor of stepless time adjustment switch module 11 are believed
The input terminal connection of number detection module 21, the output end of switch governor signal detection module 21 and MCU micro process control centre 4 connect
It connects, for acquiring the signal intensity of stepless time adjustment switch and being sent to MCU micro process control centre 4, three gear speed-regulating control modules
12 output end is connect with the input terminal of three gear speed regulation detection switch modules 22, and three gear adjusts the speed the defeated of detection switch module 22
Outlet and MCU micro process control centre 4, for acquiring the signal intensity of three gear speed-regulating control modules and being sent to MCU micro process
Control centre judges artificial gear situation,
The output end of accessory power supply 3 reinforces drive module 5 with the input terminal of MCU micro process control centre 4 and pwm signal respectively
Input terminal connection reinforces the accessory power supply of drive module for providing MCU micro process control centre 4 and pwm signal,
The output end of MCU micro process control centre 4 also reinforces drive module 5 with pwm signal respectively, circuit protection module 6 is connect,
Focus on speed-regulating signal detection module 2, pwm signal reinforces drive module 5, the data of 6 various pieces of circuit protection module letter
Breath carries out operation, determines, finally issues corresponding control instruction,
The output end that pwm signal reinforces drive module 5 is connect with the input terminal of circuit protection module 6, and accessory power supply 3 is provided
Cell voltage is converted to a higher suitable voltage and assists, and carries out to the PWM generated from MCU micro process control centre 4
Amplification is reinforced, the ability of the driving signal of hoisting power pipe,
The output end of circuit protection module 6 is connect with motor 8, is absorbed the peak voltage generated when motor 8 works, is protected power
Pipe prevents over-voltage breakdown, receives the instruction of MCU micro process control centre 4, protects motor under abnormal operation, is not damaged
It is bad,
Motor 8 is also connect with battery and power tube, for providing wind-force needed for user.
The input terminal of temperature detecting module 7 is connect with the output end of circuit protection module 6, the output of temperature detecting module 7
End is connect with the input terminal of MCU micro process control centre 4, and the temperature for detecting temperature change and power tube in battery pack becomes
Change situation, and will test signal and be sent to MCU micro process control centre 4, command adapted thereto is made by MCU micro process control centre 4,
Reinforce drive module 5 by setting pwm signal, cooperate and be arranged with MCU micro process control centre 4 and accessory power supply 3,
It converts battery voltage to a higher suitable voltage to assist, for the PWM generated from MCU micro process control centre 4
Reinforcement is amplified, the ability of the driving signal of hoisting power pipe reduces the loss generated when power tube work, MCU micro process
The PWM driving frequency that control centre 4 controls need to only work at low frequencies, reach power tube without extra heat dissipation, so that it may very
Reliably working is realized well, optimizes the deficiency of high-frequency work completely, while reducing booting for the rush of current of power tube, is passed through
Circuit protection function module and temperature monitoring module are set, allow user use it is safer, more trust, while improving product
Working efficiency, realize the powerful demand of different application；The compatible design of DC power supply and battery, facilitates that user's is portable
Formula or the demand used for a long time, the raising of efficiency can reduce by 20% or more on using material cost, save the working time
With mating consumptive material, the energy is saved；The setting of stepless time adjustment switch module 11 and three gear speed-regulating control modules 12, more refinement wind
The gear of power size is arranged, more accurate by the cooperation of stepless time adjustment switch 1 to facilitate user under this gear, reach with
The desired control wind-force size of the heart, while it being not limited to the selection of three gears, it realizes electronic gear and determines (perseverance) speed/stepless time adjustment function
Can, and may insure stabilization of speed in various revolving speeds, work efficiency is high.
More specifically, the battery pack further includes battery pack ID signal detection module 9, battery pack inside recognition detection mould
Block 10 and battery voltage signal detection module 14, the output end and MCU micro process of the battery pack ID signal detection module 9 control
Center 4 connects, and carries out identification to the battery pack that different batteries are connected into and judges the joint number of battery, and transmits the signal to MCU
Automatically giving for corresponding voltage, electric current revolving speed and protection, institute are made by micro process control centre 4, MCU micro process control centre 4
The output end for stating recognition detection module 10 inside battery pack is connect with MCU micro process control centre 4, identifies battery in battery pack
Interface case simultaneously will test signal and be sent to MCU micro process control centre 4, and MCU micro process control centre 4 controls motor 8 and makes
The output end of corresponding actions, the battery voltage signal detection module 14 is connect with MCU micro process control centre 4, to battery pack
Interior cell voltage carries out data sampling, and corresponding regulation is made by sampled data transmission MCU micro process control centre 4, right
The automatic identification of the battery pack of different voltages, the connection of battery and temperature detection, improve the stability used the product by the user,
The flexible configuration for facilitating user meets the needs of different demands.
More specifically, further include motor current signal detection module 13, the motor current signal detection module 13 with
MCU micro process control centre 4 connects, and is measured in real time to the electric current for flowing into motor, if being abnormal, the control of MCU micro process
Center 4 can then make instruction cutting current of electric, stop motor and work on, while D2, C2 directly participate in motor and power
Protection, protect motor and power tube Q3 and Q4, prevent motor rotation blockage, burn.
A kind of control method of hair dryer, includes the following steps:
Step 1: installing battery pack using battery series system on demand, set three desired position switch gears, be manually pressed by
Stepless time adjustment switch, the parallel connection switch that stepless time adjustment switchs connect entire BAT+ with BT+ circuit；
Step 2: accessory power supply 3 is started to work, and cell voltage a part powers to U3 by R10, and the stable electricity of VCC is generated by U3
Source reinforces drive module 5 for pwm signal and provides power supply support, and cell voltage another part is powered to U2 by R42, produced by U2
Raw V1 voltage is for 4 powered operation of MCU micro process control centre；
Step 3:MCU micro process control centre 4 starts to be resetted, self-test,
Switch governor signal detection module 21 receives the signal switched from stepless time adjustment, and is sent in the control of MCU micro process
The heart 4；
Three gear speed regulation detection switch modules 22 receive the signal from three gear speed-regulating control modules 12, and are sent to MCU micro process
Control centre 4；
Battery pack identification id signal detection module 9 identified for the L battery pack that is connected into of battery of different battery numbers, one
After identification resistance ID inside denier battery pack is fixed, it is connected to U1A, on U1B, U1A, the amplifier ratio of U1B are carried out according to its parameter
It is identified compared with device, automatically by U1A, U1B judge the joint number of battery, which send to MCU micro process control centre 4,
Make corresponding voltage, electric current, revolving speed and protection automatically give, and the battery pack of mistake will not work；
Recognition detection and temperature detecting module 10 detect batteries each in battery pack port connection inside battery pack
And will test result and be sent to MCU micro process control centre 4, any one poor contact, motor 8 is in the control of MCU micro process
Under the control of the heart 4, will not work or only can delay protection work；
The output end of step 4:MCU micro process control centre 4U1 exports PWM waveform to the input terminal of U4, by pwm signal
Reinforce the enhanced processing of drive module 5, the signal of reinforcement is sent to the power tube Q3 and Q4 of circuit protection module 6, power tube Q3
It is open-minded with Q4；
Step 5: motor 8 is started to work under the power supply of accessory power supply and battery, provides wind-force；
Step 6: battery voltage signal detection module 14 is sent to the control of MCU micro process after the processing of R2 and R22 divider filter
Center 4 carries out the over-voltage and under-voltage protection movement of cell voltage, prevents battery discharge is too low from causing expendable damage；Electricity
To current signal enhanced processing, U1D carries out limitation to current signal and compares processing electromechanics stream signal detection U1C, is then forwarded to
MCU micro process control centre 4 is determined；7 one tunnel of temperature detecting module is boost voltage V1 by R11 and is placed on power tube
On the side Q3, Q4 temperature detection NTC partial pressure constitute power tube temperature sensing circuit, the NTC as the temperature rises, NTC
On voltage it is lower, send the voltage to MCU micro process control centre 4 lower, converted by internal A/D, reach temperature protection
Condition, shutdown output stop motor 8 and rotate, in addition temperature detecting module 7 is boost voltage V1 all the way by R3 and L battery pack
Internal NTC ground connection carries out divider filter, detects the internal temperature of battery pack, the same NTC as the temperature rises, NTC
On voltage it is lower, send the voltage to MCU micro process control centre 4 lower, converted by internal A/D, reach temperature protection
Condition, shutdown output stop motor 8 and rotate, and battery pack poor contact occurs for this interface, is determined as high temperature protection.
More specifically, three gear speed regulation detection switch modules 22 dial position switch by three external gears and shift gears, this switch
By the connection with R12, R13, R14, the various combination digital coding of 1,2,3 gears is formed, is sent to MCU micro process control centre 4
It is identified, MCU micro process control centre 4 carries out different revolving speed control, output for the various combination signal sent here
Corresponding pwm pulse driving control signal, allows motor 8 to reach the setting speed of corresponding gear.
More specifically, switch governor signal detection module 21 passes through the RSW speed adjusting resistance group with stepless time adjustment switch internal
It closes, by connecting with boost voltage V1, limitation voltage failure resistance R30 is connected with anti-slide interference capacitors C10, the electricity sampled
Pressure is given to 4 port of MCU micro process control centre, by 4 internal arithmetic of MCU micro process control centre, makes the revolving speed of 8 fan blade of motor
Three gear speed regulation detection switch modules 22 any gear can be achieved revolving speed from 0 to the gear maximum speed function.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modification, equivalent replacement or improvement etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (9)
1. a kind of control system of hair dryer, it is characterised in that: detect mould including battery pack, switch governor module, speed-regulating signal
Block, accessory power supply, MCU micro process control centre, pwm signal reinforce drive module, circuit protection module, temperature detecting module,
Motor,
Battery pack is connect with above-mentioned modules respectively, for the power supply of modules,
The output end of switch governor module is connect with the input terminal of speed-regulating signal detection module, for connecting battery and entire route
The accessory power supply part of plate, and the starting and stopping and rotation speed of fan size of control blower,
The output end of speed-regulating signal detection module is connect with the input terminal of MCU micro process control centre, for receiving switch governor
The speed signal that module is sent, and speed signal is sent to MCU micro process control centre,
The output end of accessory power supply reinforces the input terminal of drive module with the input terminal of MCU micro process control centre and signal respectively
Connection reinforces the accessory power supply of drive module for providing MCU micro process control centre and pwm signal,
The output end of MCU micro process control centre also reinforces drive module with pwm signal respectively, circuit protection module is connect, and collects
Middle processing speed-regulating signal detection module, pwm signal reinforce drive module, the data information of circuit protection module various pieces carries out
Operation, judgement finally issue corresponding control instruction,
The input terminal of output end and circuit protection module that pwm signal reinforces drive module connects, the electricity that accessory power supply is provided
Cell voltage is converted to a higher suitable voltage and assists, and amplifies to the PWM generated from MCU micro process control centre
Reinforce, the ability of the driving signal of hoisting power pipe,
The output end of circuit protection module is connected to motor, for receiving the instruction of MCU micro process control centre, to power tube and
Motor is protected,
Motor is also connect with battery and power tube, provides wind-force needed for user,
The input terminal of temperature detecting module and the output end of circuit protection module connect, the output end and MCU of temperature detecting module
The input terminal of micro process control centre connects, for detecting the temperature variations of temperature change and power tube in battery pack,
And will test signal and be sent to MCU micro process control centre, by MCU micro process, command adapted thereto is made by control centre.
2. the control system of hair dryer as described in claim 1, it is characterised in that: the switch governor module includes electrodeless tune
Fast switch module and three gear speed-regulating control modules, the speed-regulating signal detection module includes switch governor signal detection module and three
Gear speed regulation detection switch module, the input terminal of the switch governor signal detection module and stepless time adjustment switch connect, and switch is adjusted
The output end of fast signal detection module is connect with MCU micro process control centre, for receiving the signal intensity of stepless time adjustment switch
And it is sent to MCU micro process control centre, the input terminal and three gear speed-regulating control modules of the three gears speed regulation detection switch module
The output end of connection, three gear speed regulation detection switch modules is connect with MCU micro process control centre, for receiving three gear speed regulating controls
The signal intensity of module is simultaneously sent to and judges artificial gear situation to MCU micro process control centre.
3. the control system of hair dryer as described in claim 1, it is characterised in that: the battery pack further includes battery pack ID letter
Recognition detection module and battery voltage signal detection module, the battery pack ID signal detection inside number detection module, battery pack
The output end of module is connect with MCU micro process control centre, for detecting the identification of battery number in battery pack, the battery pack
The output end of internal recognition detection module is connect with MCU micro process control centre, for detecting the interface feelings of battery in battery pack
The output end of condition, the battery voltage signal detection module is connect with MCU micro process control centre, for detecting in battery pack
Cell voltage situation.
4. the control system of hair dryer as described in claim 1, it is characterised in that: further include motor current signal detection mould
Block, the motor current signal detection module are connect with MCU micro process control centre, pass through the big of current of electric for detecting
It is small.
5. a kind of control method of hair dryer, which comprises the steps of:
Step 1: installing battery pack on demand, initializing set is manually pressed by switch, and entire circuit is connected；
Step 2: accessory power supply is started to work, and cell voltage a part powers to U3 by R10, and the stable electricity of VCC is generated by U3
Source reinforces drive module for pwm signal and provides power supply support, and cell voltage another part is powered to U2 by R42, generated by U2
V1 voltage is for MCU micro process control centre powered operation；
Step 3:MCU micro process control centre starts to be resetted, self-test, temperature, fan speed regulation shelves to battery and power tube
Position is identified；
The output end of step 4:MCU micro process control centre U1 exports PWM waveform to the input terminal of U4, by pwm signal
Reinforce the enhanced processing of drive module, the signal of reinforcement is sent to the power tube Q3 and Q4 of circuit protection module, power tube Q3 and
Q4 is open-minded；
Step 5: motor is started to work under the power supply of accessory power supply and battery, provides wind-force.
6. the control method of hair dryer as claimed in claim 5, it is characterised in that: switch is stepless time adjustment in the step 1
Switch, stepless time adjustment, which switchs, has parallel connect to switch, and switchs side and adjust the speed button equipped with gear, carries out the adjustment control of wind speed
System.
7. the control method of hair dryer as claimed in claim 5, it is characterised in that: in the step 3 in the control of MCU micro process
The heart also believes identification inside battery voltage signal detection, motor current signal detection, battery pack identification id signal detection, battery pack
Number detection is identified, and makes command adapted thereto.
8. the control method of hair dryer as claimed in claim 5, it is characterised in that: in the step 4 in the control of MCU micro process
The frequency of the PWM waveform of heart U1 output is less than 20KHZ, which is sent to pwm signal by R13 and reinforces driving
Module carries out signal enhancing.
9. the control method of hair dryer as claimed in claim 5, it is characterised in that: in the step 4 in the control of MCU micro process
The pwm signal of heart output reaches U4 by R13, and U4 carries out the voltage of pwm signal under the voltage conditions of the VCC of accessory power supply
R2 is passed through in Current amplifier, U4 output, and D4, R6 remove drive control power tube Q3 and power tube Q4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910274083.6A CN109870962A (en) | 2019-04-08 | 2019-04-08 | A kind of control system and its control method of hair dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910274083.6A CN109870962A (en) | 2019-04-08 | 2019-04-08 | A kind of control system and its control method of hair dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109870962A true CN109870962A (en) | 2019-06-11 |
Family
ID=66922220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910274083.6A Withdrawn CN109870962A (en) | 2019-04-08 | 2019-04-08 | A kind of control system and its control method of hair dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109870962A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111786609A (en) * | 2020-05-27 | 2020-10-16 | 加西贝拉压缩机有限公司 | Novel machine control circuit and mode of frequency converter |
| CN112373022A (en) * | 2020-11-30 | 2021-02-19 | 深圳市创想三维科技有限公司 | Starting protection circuit with self-checking function and 3D printer |
Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101399386A (en) * | 2007-09-25 | 2009-04-01 | 南京德朔实业有限公司 | Lithium battery pack and charging method thereof |
| CN201398600Y (en) * | 2009-01-19 | 2010-02-10 | 东明机电（深圳）有限公司 | Electric air blower adjusting the air quantity through PWM power supply |
| CN101702603A (en) * | 2009-12-01 | 2010-05-05 | 山东大学 | DC motor soft starter supplied with power by storage battery |
| CN102155424A (en) * | 2011-04-14 | 2011-08-17 | 江苏浩峰汽车附件有限公司 | PWM (Pulse Wavelength Modulation) speed regulating module for cooling fan of automobile engine |
| CN102400935A (en) * | 2011-12-05 | 2012-04-04 | 江苏浩峰汽车附件有限公司 | Novel automobile multi-fan intelligent controller |
| CN102412558A (en) * | 2010-09-26 | 2012-04-11 | 南京德朔实业有限公司 | Over-temperature protection circuit of power device |
| CN202225179U (en) * | 2010-04-07 | 2012-05-23 | 布莱克和戴克公司 | Power tool and power tool system |
| CN102570558A (en) * | 2012-03-26 | 2012-07-11 | 苏州工业职业技术学院 | Intelligent charger of nickel-hydrogen nickel-cadmium battery and control method thereof |
| CN202374214U (en) * | 2011-12-27 | 2012-08-08 | 浙江松田汽车电机系统有限公司 | Speed regulation system of automobile fan motor |
| CN102763304A (en) * | 2010-02-12 | 2012-10-31 | 株式会社牧田 | Power supply interface for electric tool powered by a plurality of battery packs |
| CN103269194A (en) * | 2013-05-06 | 2013-08-28 | 德清县金宇达电气有限公司 | Drive circuit of two-phase half-wave direct current brushless temperature control fan |
| CN103384130A (en) * | 2012-05-01 | 2013-11-06 | 株式会社牧田 | Fluid apparatus |
| CN206422726U (en) * | 2016-12-27 | 2017-08-18 | 湖北三江航天红峰控制有限公司 | A kind of brushless motor driver based on IGBT |
| CN107078533A (en) * | 2014-05-18 | 2017-08-18 | 百得有限公司 | Electric tool system |
| US20170373614A1 (en) * | 2016-06-24 | 2017-12-28 | Black & Decker Inc. | Control scheme for power tool having a brushless motor |
| CN107761632A (en) * | 2017-09-28 | 2018-03-06 | 宁波大叶园林设备股份有限公司 | What tool lithium battery multi resonant superimposed voltage element circuit multitube was eliminated the noise blows leaf machine |
| CN107939714A (en) * | 2016-10-12 | 2018-04-20 | 建准电机工业股份有限公司 | Blower and fan rotating speed control module thereof |
| CN108574323A (en) * | 2018-03-23 | 2018-09-25 | 加码技术有限公司 | A kind of battery charge control circuit |
| CN109039030A (en) * | 2018-09-13 | 2018-12-18 | 珠海格力电器股份有限公司 | The control circuit and method and electric cooker of improvement power switch temperature rise |
| CN209879291U (en) * | 2019-04-08 | 2019-12-31 | 深圳市搏世通用科技开发有限公司 | Control system of hair drier |
-
2019
- 2019-04-08 CN CN201910274083.6A patent/CN109870962A/en not_active Withdrawn
Patent Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101399386A (en) * | 2007-09-25 | 2009-04-01 | 南京德朔实业有限公司 | Lithium battery pack and charging method thereof |
| CN201398600Y (en) * | 2009-01-19 | 2010-02-10 | 东明机电（深圳）有限公司 | Electric air blower adjusting the air quantity through PWM power supply |
| CN101702603A (en) * | 2009-12-01 | 2010-05-05 | 山东大学 | DC motor soft starter supplied with power by storage battery |
| CN102763304A (en) * | 2010-02-12 | 2012-10-31 | 株式会社牧田 | Power supply interface for electric tool powered by a plurality of battery packs |
| CN202225179U (en) * | 2010-04-07 | 2012-05-23 | 布莱克和戴克公司 | Power tool and power tool system |
| CN102412558A (en) * | 2010-09-26 | 2012-04-11 | 南京德朔实业有限公司 | Over-temperature protection circuit of power device |
| CN102155424A (en) * | 2011-04-14 | 2011-08-17 | 江苏浩峰汽车附件有限公司 | PWM (Pulse Wavelength Modulation) speed regulating module for cooling fan of automobile engine |
| CN102400935A (en) * | 2011-12-05 | 2012-04-04 | 江苏浩峰汽车附件有限公司 | Novel automobile multi-fan intelligent controller |
| CN202374214U (en) * | 2011-12-27 | 2012-08-08 | 浙江松田汽车电机系统有限公司 | Speed regulation system of automobile fan motor |
| CN102570558A (en) * | 2012-03-26 | 2012-07-11 | 苏州工业职业技术学院 | Intelligent charger of nickel-hydrogen nickel-cadmium battery and control method thereof |
| CN103384130A (en) * | 2012-05-01 | 2013-11-06 | 株式会社牧田 | Fluid apparatus |
| CN103269194A (en) * | 2013-05-06 | 2013-08-28 | 德清县金宇达电气有限公司 | Drive circuit of two-phase half-wave direct current brushless temperature control fan |
| CN107078533A (en) * | 2014-05-18 | 2017-08-18 | 百得有限公司 | Electric tool system |
| US20170373614A1 (en) * | 2016-06-24 | 2017-12-28 | Black & Decker Inc. | Control scheme for power tool having a brushless motor |
| US20170373615A1 (en) * | 2016-06-24 | 2017-12-28 | Black & Decker Inc. | Control scheme for operating cordless power tool based on battery temperature |
| CN107939714A (en) * | 2016-10-12 | 2018-04-20 | 建准电机工业股份有限公司 | Blower and fan rotating speed control module thereof |
| CN206422726U (en) * | 2016-12-27 | 2017-08-18 | 湖北三江航天红峰控制有限公司 | A kind of brushless motor driver based on IGBT |
| CN107761632A (en) * | 2017-09-28 | 2018-03-06 | 宁波大叶园林设备股份有限公司 | What tool lithium battery multi resonant superimposed voltage element circuit multitube was eliminated the noise blows leaf machine |
| CN108574323A (en) * | 2018-03-23 | 2018-09-25 | 加码技术有限公司 | A kind of battery charge control circuit |
| CN109039030A (en) * | 2018-09-13 | 2018-12-18 | 珠海格力电器股份有限公司 | The control circuit and method and electric cooker of improvement power switch temperature rise |
| CN209879291U (en) * | 2019-04-08 | 2019-12-31 | 深圳市搏世通用科技开发有限公司 | Control system of hair drier |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111786609A (en) * | 2020-05-27 | 2020-10-16 | 加西贝拉压缩机有限公司 | Novel machine control circuit and mode of frequency converter |
| CN112373022A (en) * | 2020-11-30 | 2021-02-19 | 深圳市创想三维科技有限公司 | Starting protection circuit with self-checking function and 3D printer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3139104A1 (en) | Solar air conditioner and control method and control device thereof | |
| CN105144531A (en) | Power control system, power control device, and method for controlling power control system | |
| US20210066930A1 (en) | Power System | |
| CN109870962A (en) | A kind of control system and its control method of hair dryer | |
| WO2012075769A1 (en) | Mobile power supply and control method thereof | |
| CN205070865U (en) | Electrically operated gate control circuit | |
| CN208890421U (en) | A kind of electric tool | |
| CN209879291U (en) | Control system of hair drier | |
| TWI387182B (en) | Temperature-sensing uninterruptible power supply system and method for controlling the same | |
| CN102810902B (en) | Household hybrid power supply management system and power supply management method | |
| EP1076396A2 (en) | Start up control of a battery charger | |
| CN206373858U (en) | A kind of voltage transformation switching device for electric tool | |
| CN106514569B (en) | A kind of voltage transformation switching device and its voltage transformation method for electric tool | |
| CN207094709U (en) | A kind of frequency conversion range hood | |
| CN206180681U (en) | Novel photovoltaic pump is control system | |
| CN202565012U (en) | Off-grid wind-solar hybrid inverter control device | |
| CN112888092B (en) | Low-frequency heating device of high-capacity power transformer | |
| JP2000249036A (en) | Controller for wind power generator, and control method | |
| CN211880150U (en) | Hybrid direct-current power supply for communication base station and control system thereof | |
| CN211573834U (en) | Frequency conversion direct current brushless non-inductive electric fan with wireless remote control | |
| CN209117763U (en) | A kind of super capacitor volume test device of wind power pitch-controlled system | |
| JP2004153910A (en) | Power conversion apparatus for wind power generation, and starting method therefor | |
| CN207094708U (en) | A kind of frequency conversion range hood | |
| CN206878732U (en) | A kind of small-sized brushless electric machine control system | |
| CN209539602U (en) | Portable charged fan |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190611 |