CN110412907A - A kind of perfume atmosphere generator, vehicle-mounted fragrant atmosphere control system and method - Google Patents
A kind of perfume atmosphere generator, vehicle-mounted fragrant atmosphere control system and method Download PDFInfo
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- CN110412907A CN110412907A CN201910502156.2A CN201910502156A CN110412907A CN 110412907 A CN110412907 A CN 110412907A CN 201910502156 A CN201910502156 A CN 201910502156A CN 110412907 A CN110412907 A CN 110412907A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24215—Scada supervisory control and data acquisition
Abstract
The present invention proposes a kind of fragrant atmosphere generator, vehicle-mounted fragrant atmosphere control system and method, and the system comprises fragrant atmosphere generator and vehicle main control devices；The fragrant atmosphere demand information is converted to control command and the control instruction is sent to fragrant atmosphere generator by the vehicle main control device for obtaining the fragrant atmosphere demand information that user inputs from vehicle-mounted large-size screen monitors；The fragrant atmosphere box for the fragrance that fragrant mouth is specified with user out is connected to by the perfume atmosphere generator for controlling motor internal according to the control instruction, while controlling the blower wind speed quantitative according to the specified degree output aromatic out of user.The present invention is multiple functional, intelligence degree is high, can meet users on diversity, promotes user experience.
Description
Technical field
The invention belongs to automobile technical fields, and in particular to a kind of perfume atmosphere generator, vehicle-mounted fragrant atmosphere control system and method.
Background technique
Vehicle-mounted perfume atmosphere system has become the important slave part of onboard system, can be in purifying vehicle by vehicle-mounted fragrant atmosphere system
Environment keeps in-vehicle air clean, plays the role of certain purification air, can build more comfortable interior atmosphere, be promoted
Vehicle texture and luxurious sense.Vehicle-mounted perfume atmosphere system generally passes through vehicle air conditioning pipeline and forms circulation, and fragrance emissions can be made more equal
It is even.But existing vehicle-mounted fragrant atmosphere system function is single, has been unable to satisfy the diversified demand of user, intelligence degree is poor, user's body
It tests bad.
Summary of the invention
The present invention proposes a kind of fragrant atmosphere generator, vehicle-mounted fragrant atmosphere control system and method, for solving existing vehicle-mounted fragrant atmosphere
The problem that system function is single, degree of intelligence is poor.
First aspect present invention proposes a kind of fragrant atmosphere generator, which is characterized in that the perfume atmosphere generator includes:
Power module, is electrically connected with the Voltage stabilizing module Voltage stabilizing module being electrically connected with the first output end of power module
Single-chip microcontroller, respectively with the motor module of the monolithic mechatronics, blower fan module；The power module second output terminal with it is described
Motor module electrical connection, the power module third output end are electrically connected with the blower fan module；The single-chip microcontroller and multiple perfume (or spice)
The electrical connection of atmosphere box.
Optionally, the Voltage stabilizing module uses LDO low pressure difference linear voltage regulator；The single-chip microcontroller uses
S9S12ZVL16F0MLC microcontroller.
Optionally, integrate perfume atmosphere controller on the single-chip microcontroller, the perfume atmosphere controller include LIN communication control unit,
Motor control unit, air-blower control unit, AD sampling and data processing unit, fragrant atmosphere box recognition unit.
Optionally, the fragrant atmosphere generator is communicated by LIN bus with upstream master controller.
Second aspect of the present invention proposes a kind of vehicle-mounted fragrant atmosphere control system, and the system comprises fragrant atmosphere generator and vehicles
Master controller；
The vehicle main control device needs the fragrant atmosphere for obtaining the fragrant atmosphere demand information that user inputs from vehicle-mounted large-size screen monitors
It asks information to be converted to control command and the control instruction is sent to fragrant atmosphere generator；
The perfume atmosphere generator is used to control motor internal according to the control instruction, by the perfume (or spice) that fragrant mouth and user specify out
The fragrant atmosphere box of taste is connected to, while being controlled blower and being exported quantitative wind speed according to the specified degree aromatic out of user.
Optionally, fragrant atmosphere controller is integrated on the fragrant atmosphere generator, the perfume atmosphere controller includes:
LIN communication control unit: for receiving and mutually responding the control instruction of vehicle main control device, upper odorivection atmosphere control system
System status information；
Motor control unit: it is controlled for motor driven and motor position；
Air-blower control unit: for controlling the revolving speed of classification, the rotation speed of fan is controlled using PWM, and output user is specified
The corresponding wind speed of aromatic degree out；
AD sampling and data processing unit: for acquiring the operating current of the motor, the blower operating current, described
Fragrant atmosphere controller operating voltage and internal temperature；
Fragrant atmosphere box recognition unit: fragrant atmosphere box and controller use I2C protocol, read the number on fragrant atmosphere box inside chip
According to.
Third aspect present invention proposes a kind of vehicle-mounted fragrant atmosphere control method, which comprises
S1, the fragrant atmosphere demand information that user inputs from vehicle-mounted large-size screen monitors is obtained；The fragrant atmosphere demand information is converted to control
It instructs and the control instruction is sent to fragrant atmosphere generator；
S2, the fragrant atmosphere generator control motor internal according to the control instruction, by the perfume (or spice) that fragrant mouth and user specify out
The fragrant atmosphere box of taste is connected to；
S3, the fragrant atmosphere generator control blower export quantitative wind speed according to the specified degree aromatic out of user.
Optionally, before the step S1 further include: fragrant atmosphere controller carries out legitimacy certification, certification to each fragrant atmosphere box
Unacceptable perfume atmosphere box is stopped using and reports mistake；If certification passes through, fragrant atmosphere box internal information is read.
Optionally, fragrant atmosphere generator obtains fragrant atmosphere type, date of manufacture by reading the chip in fragrant atmosphere box, passes through fragrant atmosphere
The length of opening time calculates the surplus of fragrant atmosphere；When the surplus of any fragrant atmosphere is less than 10%, or when fragrant atmosphere is expired, fragrant atmosphere hair
Raw device replaces fragrant atmosphere by HMI information reminding user.
Optionally, when detecting that driver safety monitoring system issues driver fatigue signal, the perfume atmosphere generator
Discharge the fragrant atmosphere of refreshing oneself of various concentration automatically according to driver's different fatigue grade.
Optionally, for the selected fragrant atmosphere concentration of difference, the perfume atmosphere generator according to current outside environmental elements from
It is dynamic to control fragrant atmosphere system fan air quantity and fragrant atmosphere system operation time；The outside environmental elements include: vehicle outdoor temperature, whole
Vehicle room temperature, extraneous sunlight strength, vehicle blower air quantity, vehicle inner-outer circulation.
The present invention is multiple functional, intelligence degree is high, and fragrant atmosphere generator can be controlled according to user demand and exports different perfume (or spice)
Taste can carry out odor type selection, fragrant atmosphere concentration selection, and when fragrant atmosphere surplus is insufficient or expired, prompting user replaces fragrant atmosphere in time,
The fragrant atmosphere of refreshing oneself for not allowing concentration can also be discharged automatically in driver fatigue.
Detailed description of the invention
It, below will be to needed in the technology of the present invention description in order to illustrate more clearly of technical solution of the present invention
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without any creative labor, it can also be obtained according to these attached drawings others
Attached drawing.
Fig. 1 is fragrant atmosphere generator architecture schematic diagram provided in an embodiment of the present invention；
Fig. 2 is power module electric source filter circuit figure provided in an embodiment of the present invention；
Fig. 3 is power module power supply switching circuit figure provided in an embodiment of the present invention；
Fig. 4 is Voltage stabilizing module circuit diagram provided in an embodiment of the present invention；
Fig. 5 is the MCU control circuit and debugging interface circuit diagram of single-chip microcontroller provided in an embodiment of the present invention；
Fig. 6 is circuit for controlling motor provided in an embodiment of the present invention and motor current detecting circuit；
Fig. 7 is draught fan control circuit provided in an embodiment of the present invention and blower current detection circuit；
Fig. 8 is vehicle-mounted fragrant atmosphere control system control flow schematic diagram provided in an embodiment of the present invention；
Fig. 9 is LIN instruction processing pipeline schematic diagram provided in an embodiment of the present invention；
Figure 10 is vehicle-mounted fragrant atmosphere control method flow diagram provided in an embodiment of the present invention.
Specific embodiment
In order to make the invention's purpose, features and advantages of the invention more obvious and easy to understand, below in conjunction with the present invention
Attached drawing in embodiment, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that disclosed below
Embodiment be only a part of the embodiment of the present invention, and not all embodiment.Based on the embodiments of the present invention, this field
Those of ordinary skill's all other embodiment obtained without making creative work, belongs to protection of the present invention
Range.
Referring to Fig. 1, the present invention proposes a kind of fragrant atmosphere generator, which is characterized in that the perfume atmosphere generator includes:
Power module 100, the Voltage stabilizing module 120 being electrically connected with the first output end of power module and Voltage stabilizing module electricity
The single-chip microcontroller 130 of connection, respectively with the motor module 140 of the monolithic mechatronics, blower fan module 150 and transceiver module；Institute
It states 100 second output terminal of power module to be electrically connected with the motor module 140, the 100 third output end of power module and institute
State the electrical connection of blower fan module 150；The single-chip microcontroller 140 is electrically connected with multiple fragrant atmosphere boxes, and one adds built in each fragrant atmosphere box
Close identification chip.
The motor module includes multiple individual motors, corresponding one fragrant atmosphere box of each motor, such as three motor difference
Three different shafts are connected, each shaft corresponding one independent fragrant atmosphere box controls motor rotation by single-chip microcontroller, to drive
The corresponding fragrant atmosphere box of shaft rotating opening, the fragrant atmosphere box for the fragrance for specifying user are connected to fragrant mouth is gone out.
The power module 100 is controlled using DC-DC power source, and the Voltage stabilizing module 120 uses the pressure stabilizing of LDO low pressure difference linearity
Device；The single-chip microcontroller 140 uses S9S12ZVL16F0MLC microcontroller；Specific embodiment please refers to Fig. 2-7, and Fig. 2 is power supply mould
100 electric source filter circuit of block, D1 power supply counnter attack diode, D2 are moment overvoltage protection diode；C1 to C7 capacitor filters out respectively
The not interference signal of copper frequency, L1 common mode inductance filtering common mode interference signal, C8 to C9 are filtering voltage regulation diode.The power supply
Module provides 12V supply voltage for Voltage stabilizing module and blower, motor.
Fig. 3 be system load power supply switch, when overtension or it is too low be switched off load power source, prevent loaded work piece
In over-voltage and under-voltage condition.
Fig. 4 is 120 circuit diagram of Voltage stabilizing module, and VDDX is the 3.3V voltage to power logic circuitry exported inside MCU, but
Driving capability is limited, so system ready U6 voltage stabilizing chip provides 3.3V voltage, the later period is loaded in pot, provided using U6
3.3V, Q1 do not have to welding.U6 input voltage is supply voltage, and by R4 and R5 feedback partial pressure, chip output voltage is 3.3V, is
Logic circuit provides supply voltage.
Fig. 5 is the MCU control circuit debugging interface circuit diagram of single-chip microcontroller 130, and MCU is digital-analog mix-mode chip, major function
Control, IO input signal detection, analog signal detection, LIN communication and power input and output function are exported for Digital I/O.It is described
Perfume atmosphere controller is integrated on single-chip microcontroller 140, the perfume atmosphere controller includes LIN communication control unit, motor control unit, blower
Control unit, AD sampling and data processing unit, fragrant atmosphere box recognition unit.Specifically, Fig. 6 is the control of stepping two-phase stepping motor
Circuit and motor current detecting circuit, U4 operating voltage are controlled 12V voltage, and STEP_MOTO_EN is the enabled control of chip
System, high level are effective.STEP_MOTO_AIN, STEP_MOTO_BIN control respectively two-phase coil drive output, chip enable be
When high level, control signal is effective, these three signals have MCU output.AOUT1, AOUT2 control one group of coil of stepper motor,
BOUT1, BOUT2 control second group of coil of stepper motor, and J3 is motor connectors.The second width of Fig. 6 figure (under) it is motor operating electricity
Stream detection, the driving chip control of stepper motor are grounded out one current sampling resistor of series connection in 6 feet of U4, and sample resistance produces
Raw voltage signal amplifies through U5B, inputs to MCU, carries out digital-to-analogue conversion.
Fig. 7 is draught fan control circuit and blower current detection circuit.J4 is blower connector, and 4 foot of connector and 3 feet are wind
Machine power supply, PWM (Pulse Width Modulation, pulse width modulation) signal of MCU output is through blower connector
1 foot of J4 inputs fan, and blower adjusts revolving speed according to pwm signal.The second width of Fig. 7 figure (under) it is blower work Current amplifier figure
Piece, in 3 foot of blower connector, one current sampling resistor of series connection, the voltage signal that sample resistance generates exports after U5A amplifies
It is converted to MCU.The perfume atmosphere generator is communicated by LIN bus with upstream master controller.
Referring to Fig. 8, the present invention proposes a kind of vehicle-mounted fragrant atmosphere control system, the system comprises fragrant atmosphere generator and vehicles
Master controller；
The vehicle main control device needs the fragrant atmosphere for obtaining the fragrant atmosphere demand information that user inputs from vehicle-mounted large-size screen monitors
It asks information to be converted to control command and the control instruction is sent to fragrant atmosphere generator；
The perfume atmosphere generator is used to control motor internal according to the control instruction, by the perfume (or spice) that fragrant mouth and user specify out
The fragrant atmosphere box of taste is connected to, while being controlled blower and being exported quantitative wind speed according to the specified degree aromatic out of user.
Fragrant atmosphere controller is integrated on the perfume atmosphere generator, the perfume atmosphere controller includes:
LIN communication control unit: for receiving and mutually responding the control instruction of vehicle main control device, upper odorivection atmosphere control system
System status information；It specifically asks referring to Fig. 9, Fig. 9 is the LIN communication control unit LIN instruction processing pipeline schematic diagram, LIN
Communication is main to be realized to the selection of fragrant atmosphere controller odor type, goes out aromatic degree selection, working state of system feedback and spice box information
Feedback etc..After receiving control instruction, odor type selection, blast velocity control, fragrant atmosphere state feedback, each channel are carried out according to instruction type
Number feedback, each channel odor type feedback.Each perfume atmosphere box has one to go out fragrant channel for exporting the fragrance of corresponding odor type
Each channel number is fed back and is managed convenient for state.
Motor control unit: it is controlled for motor driven and motor position；
Air-blower control unit: for controlling the revolving speed of classification, the rotation speed of fan is controlled using PWM, and output user is specified
The corresponding wind speed of aromatic degree out；
AD sampling and data processing unit: for acquiring the operating current of the motor, the blower operating current, described
Fragrant atmosphere controller operating voltage and internal temperature；When the operating current of the motor, the blower operating current, the fragrant atmosphere control
In device operating voltage processed or internal temperature any one exceed corresponding alarm limits when stopping alarm；
Fragrant atmosphere box recognition unit: fragrant atmosphere box and controller use I2C protocol, carry out legitimacy certification to fragrant atmosphere box；
After authenticating successfully, the data on fragrant atmosphere box inside chip are read.
The legitimacy certification includes version authentication and encryption certification: the version authentication is perfume atmosphere controller described in comparison
Whether upper software version is consistent with the version of the encryption identification chip；If version unanimously if version authentication success, encrypted
Certification；The encryption certification is that the random number of 8 bytes is generated by controller, and the random number is communicated by I2C and is passed
To the encryption identification chip of fragrant atmosphere box to be certified, the encryption identification chip calculates the secret key for generating 32 bytes, and passes through
I2C is back to the controller；The controller equally calculates the secret key of 32 bytes according to the random number, will be described
The secret key that the secret key that encryption identification chip calculates is calculated with the controller compares, if unanimously, authenticating success, can read
The fragrant atmosphere information of the encryption identification chip storage inside, if secret key is inconsistent, authentification failure cannot then be read.Fig. 8 is this
Invent the vehicle-mounted fragrant atmosphere control system control flow schematic diagram, specific workflow are as follows:
After fragrant atmosphere generator is powered, system initialization, stepper motor resets, and fragrant atmosphere controller recognizes each fragrant atmosphere box
Card, authenticates unacceptable spice box and stops using and report mistake；Certification passes through, and spice box and fragrant atmosphere controller are legal, is
System reads spice box internal information (information such as fragrance type, date of manufacture and remaining pot life), and enters standby mode.
When receiving LIN instruction, fragrant atmosphere opens corresponding fragrance channel and out aromatic degree according to instruction, reports the perfume (or spice) in each channel
Material type, fragrance residue currently open channel using time, fragrance, go out aromatic degree, working state of system (motor initialization shape
Whether state, fragrant atmosphere channel transition state, fragrance are expired) and diagnostic message (motor mistake, blower mistake, overtension, voltage mistake
Low and LIN miscommunication etc.)
Timing carries out authentication processing to spice box and reads internal information, and spice box is written in remaining pot life；
Fragrant atmosphere generator timing is resetted, and is prevented motor from repeatedly acting and is lost step.
Referring to Fig. 10, the present invention proposes a kind of vehicle-mounted fragrant atmosphere control method, which comprises
S1, the fragrant atmosphere demand information that user inputs from vehicle-mounted large-size screen monitors is obtained；The fragrant atmosphere demand information is converted to control
It instructs and the control instruction is sent to fragrant atmosphere generator；
Fragrant atmosphere controller first carries out legitimacy certification to each fragrant atmosphere box before the step S1, authenticates unacceptable fragrant atmosphere
Box is stopped using and reports mistake；If certification passes through, fragrant atmosphere box internal information is read.
Specifically, the perfume atmosphere demand information includes odor type, fragrant atmosphere concentration etc..
S2, the fragrant atmosphere generator control motor internal according to the control instruction, by the perfume (or spice) that fragrant mouth and user specify out
The fragrant atmosphere box of taste is connected to；
Specifically, fragrant atmosphere generator is equipped with multiple fragrant atmosphere boxes, the fragrance of diverse fragrant flavour, fragrant atmosphere hair are stored in each perfume atmosphere box
Fragrant atmosphere box connection corresponding with the fragrance that user selectes that raw device control motor uses fragrant mouth.
S3, the fragrant atmosphere generator control blower export quantitative wind speed according to the specified degree aromatic out of user.
Specifically, fragrant atmosphere concentration can be divided into basic, normal, high three kinds of concentration, blower can also be divided into third gear wind speed, and low concentration is corresponding
Wind speed, high concentration correspond to high wind speed during low wind speed, middle concentration are corresponding.
The perfume atmosphere generator obtains fragrant atmosphere type, date of manufacture etc. by reading the chip in fragrant atmosphere box, passes through fragrant atmosphere
The length of opening time calculates the surplus of fragrant atmosphere；Fragrant atmosphere generator is wherein at least mentioned including one kind configured with multiple fragrant atmosphere boxes
Refreshing perfume atmosphere.When the surplus of any fragrant atmosphere is less than 10%, or when fragrant atmosphere is expired, fragrant atmosphere generator passes through HMI information reminding user
Replace fragrant atmosphere.
When detecting that driver safety monitoring system issues driver fatigue signal, the perfume atmosphere generator is according to driving
Member's different fatigue grade discharges the fragrant atmosphere of refreshing oneself of various concentration automatically.For the selected fragrant atmosphere concentration of difference, the perfume atmosphere occurs
Device automatically controls fragrant atmosphere system fan air quantity and fragrant atmosphere system operation time according to current outside environmental elements；External world's ring
Border factor includes: vehicle outdoor temperature, vehicle room temperature, extraneous sunlight strength, vehicle blower air quantity, vehicle inner-outer circulation
Amount.
Specifically, fragrant atmosphere concentration is divided into basic, normal, high three kinds of concentration, fragrant atmosphere concentration, which can be used, to be automatically selected and manually selects
Both of which.Mode is automatically selected, when fragrant atmosphere system detection to driver safety monitoring system issues driver fatigue signal,
Fragrant atmosphere system automatically selects the corresponding fragrant atmosphere concentration of current level of fatigue, when receiving slight tired signal, selects low concentration；Work as receipts
To moderate fatigue signal, concentration in selection；When receiving severe fatigue signal: selection high concentration.
Fragrant atmosphere system can be from obtaining vehicle outdoor temperature, in vehicle room in vehicle master control system or each onboard sensor
The information such as temperature, extraneous sunlight strength, vehicle blower air quantity, vehicle inner-outer circulation amount, calculate blower wind according to these information
Amount and fragrant atmosphere system operation time.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, is not described in detail or remembers in some embodiment
The part of load may refer to the associated description of other embodiments.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations, although referring to before
Stating embodiment, invention is explained in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. a kind of perfume atmosphere generator, which is characterized in that the perfume atmosphere generator includes:
Power module, the Voltage stabilizing module being electrically connected with the first output end of power module, the monolithic being electrically connected with the Voltage stabilizing module
Machine, respectively with the motor module of the monolithic mechatronics, blower fan module；The power module second output terminal and the motor
Module electrical connection, the power module third output end are electrically connected with the blower fan module；The single-chip microcontroller and multiple fragrant atmosphere boxes
Electrical connection, an encryption identification chip built in each fragrant atmosphere box.
2. fragrant atmosphere generator according to claim 1, which is characterized in that the Voltage stabilizing module is steady using LDO low pressure difference linearity
Depressor；The single-chip microcontroller uses S9S12ZVL16F0MLC microcontroller.
3. fragrant atmosphere generator according to claim 1, which is characterized in that perfume atmosphere controller is integrated on the single-chip microcontroller, it is described
Fragrant atmosphere controller include LIN communication control unit, motor control unit, air-blower control unit, AD sampling and data processing unit,
Fragrant atmosphere box recognition unit.
4. a kind of vehicle-mounted fragrant atmosphere control system using perfume atmosphere generator described in claim 1, which is characterized in that the system packet
Include fragrant atmosphere generator and vehicle main control device；The perfume atmosphere generator is communicated by LIN bus with vehicle main control device；
The vehicle main control device believes the fragrant atmosphere demand for obtaining the fragrant atmosphere demand information that user inputs from vehicle-mounted large-size screen monitors
Breath is converted to control command and the control instruction is sent to fragrant atmosphere generator；
The perfume atmosphere generator is used to control motor internal according to the control instruction, will go out fragrant mouth and fragrance that user specifies
Fragrant atmosphere box connection, while controlling blower and exporting quantitative wind speed according to the specified degree aromatic out of user.
5. vehicle-mounted fragrant atmosphere control system according to claim 4, which is characterized in that integrate fragrant atmosphere control on the perfume atmosphere generator
Device processed, the perfume atmosphere controller include:
LIN communication control unit: for receive and mutually respond vehicle main control device control instruction, upper odorivection atmosphere control system shape
State information；
Motor control unit: it is controlled for motor driven and motor position；
Air-blower control unit: for controlling the revolving speed of classification, the rotation speed of fan is controlled using PWM, the specified perfume out of output user
The corresponding wind speed of concentration；
AD sampling and data processing unit: for acquiring the operating current, the blower operating current, the fragrant atmosphere of the motor
Controller operating voltage and internal temperature；
Fragrant atmosphere box recognition unit: the perfume atmosphere controller and the fragrant atmosphere box use I2C protocol, read fragrant atmosphere box inner core
The data of on piece.
6. a kind of vehicle-mounted fragrant atmosphere control method, which is characterized in that the described method includes:
S1, the fragrant atmosphere demand information that user inputs from vehicle-mounted large-size screen monitors is obtained；The fragrant atmosphere demand information is converted to control instruction
And the control instruction is sent to fragrant atmosphere generator；
S2, the fragrant atmosphere generator control motor internal according to the control instruction, will go out fragrant mouth and fragrance that user specifies
Fragrant atmosphere box connection；
S3, the fragrant atmosphere generator control blower export quantitative wind speed according to the specified degree aromatic out of user.
7. vehicle-mounted fragrant atmosphere control method according to claim 6, which is characterized in that before the step S1 further include: fragrant atmosphere
Controller carries out legitimacy certification to each fragrant atmosphere box, authenticates unacceptable fragrant atmosphere box and stops using and report mistake；If certification
Pass through, reads fragrant atmosphere box internal information.
8. vehicle-mounted fragrant atmosphere control method according to claim 7, which is characterized in that fragrant atmosphere generator is by reading in fragrant atmosphere box
Chip obtain fragrant atmosphere type, date of manufacture, the surplus of fragrant atmosphere is calculated by the length of fragrant atmosphere opening time；When any fragrant atmosphere
Surplus less than 10% when, or when fragrant atmosphere is expired, fragrant atmosphere generator replaces fragrant atmosphere by HMI information reminding user.
9. vehicle-mounted fragrant atmosphere control method according to claim 6, which is characterized in that when detecting driver safety monitoring system
When issuing driver fatigue signal, the perfume atmosphere generator discharges mentioning for various concentration according to driver's different fatigue grade automatically
Refreshing perfume atmosphere.
10. vehicle-mounted fragrant atmosphere control method according to claim 6, which is characterized in that for different fragrant atmosphere concentration, the perfume (or spice)
Atmosphere generator automatically controls fragrant atmosphere system fan air quantity and fragrant atmosphere system operation time according to current outside environmental elements；It is described
Outside environmental elements include: vehicle outdoor temperature, vehicle room temperature, extraneous sunlight strength, vehicle blower air quantity, in vehicle
Outer circulation.
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| CN110936792A (en) * | 2019-12-18 | 2020-03-31 | 奇瑞汽车股份有限公司 | Automobile fragrance control system |
| CN111703278A (en) * | 2020-06-18 | 2020-09-25 | 华人运通(上海)云计算科技有限公司 | Fragrance release method, device, vehicle end, cloud end, system and storage medium |
| CN112506103A (en) * | 2020-12-08 | 2021-03-16 | 厦门美时美克空气净化有限公司 | Vehicle-mounted fragrance emission control method and device and computer readable storage medium |
| CN112918222A (en) * | 2021-03-31 | 2021-06-08 | 肇庆小鹏新能源投资有限公司 | Processing method, vehicle-mounted terminal and vehicle |
| CN113059984A (en) * | 2020-01-02 | 2021-07-02 | 广州汽车集团股份有限公司 | Method for controlling vehicle-mounted fragrance releasing device and vehicle-mounted fragrance system |
| CN113641194A (en) * | 2021-07-26 | 2021-11-12 | 佛山市顺德区美的电子科技有限公司 | Control method, control equipment and storage medium |
| WO2022241716A1 (en) * | 2021-05-20 | 2022-11-24 | 华为技术有限公司 | Control method and apparatus for aroma adjustment system |
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