CN105715140A - Voice interactive power window control device and control method - Google Patents
Voice interactive power window control device and control method Download PDFInfo
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- CN105715140A CN105715140A CN201510037991.5A CN201510037991A CN105715140A CN 105715140 A CN105715140 A CN 105715140A CN 201510037991 A CN201510037991 A CN 201510037991A CN 105715140 A CN105715140 A CN 105715140A
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Abstract
The invention discloses a voice interactive power window control device and a control method, and relates to an automobile power window control device. The control device is provided with a voice recognition module, a single chip microcomputer control module, a locking switch, a current sensor module, a motor driving module, magnetic steel and a Hall sensor, wherein the magnetic steel and the Hall sensor are arranged on a glass bracket. The output end of the voice recognition module and the output end of the current sensor module are connected with the input end of the single chip microcomputer control module. The locking switch and the Hall sensor are connected with the input end of the single chip microcomputer control module. The output end of the single chip microcomputer control module is connected with the input end of the motor driving module. The output end of the motor driving module is connected with the input end of a window motor and the input end of the current sensor module. According to the voice interactive power window control device and the control method, the effects that a driver controls four windows through voice commands under the condition that both hands of the driver do not leave a steering wheel, and a passenger sitting in any position can control the four windows through voice commands are achieved, and the driving safety is improved.
Description
Technical field
The present invention relates to a kind of automobile electric car-window control device, especially relate to a kind of device by Voice command automotive window.
Background technology
Automobile popularize the go off daily to people and contacts bring great convenience.The control of current automotive window is that manually switch realizes.Only four vehicle windows can be controlled by driver, but the vehicle window closed on can only be controlled by the passenger of optional position, and the passenger that the passenger of optional position wants to control to must flow through the optional position near driver or vehicle window away from the vehicle window of oneself could realize.And driver is when operating window control switch, a hands, departing from steering wheel, particularly when weather, road conditions are not good, brings certain hidden danger to traffic safety.
Summary of the invention
It is an object of the invention to overcome the shortcoming and defect of above-mentioned prior art, it is provided that a kind of device and method by Voice command automobile electric car-window.
The speech interactive electric car-window control device of the present invention is provided with the magnet steel on sound identification module, single chip control module, lockup switch, current sensor module, motor drive module, glass bracket and Hall element.
Described sound identification module is with LD3320 for core, the speech recognition of the passenger of nonspecific driver or optional position can be realized, do not need precondition and the recording of the passenger of driver or optional position, and there are password mode and circulation pattern available, under password mode, sound identification module also can send voice while providing corresponding output signal, the control command that passenger to respond driver or optional position sends, under circulation pattern, sound identification module only provides and exports signal accordingly.
What the passenger of driver or optional position can be sent by described sound identification module control glass for vehicle window ascending, descending, the voice command of stopping is converted to the signal that one-chip computer module may identify which and exports to one-chip computer module.
Current sensor module is used for preventing Car window electric machine overload from burning out, and coordinates the magnet steel on glass bracket and Hall element to realize pinch resistant functionality simultaneously.
Magnet steel and Hall element on glass bracket realize glass for vehicle window and are raised to top or drop to automatic hold function during the end.
Described one-chip computer module is with the MEGA8 of AVR for core.Single chip control module can be raised to top according to the glass for vehicle window of the magnet steel on the control signal of sound identification module output, the signal of current sensor module output, glass bracket and Hall element output or drop to the signal at the end, control motor drive module to drive Car window electric machine to complete the passenger of driver or optional position the control of glass for vehicle window is intended to, and realize pinch resistant functionality, prevent Car window electric machine overload and burn out, glass for vehicle window is raised to and pushes up or drop to automatic hold function during the end.
Described motor drive module adopts BTN7971 to be core.
Single chip control module adopts PWM mode to control the rotating speed of motor.
Adopt the soft start of PWM mode control realization motor, efficiently reduce the starting current of Car window electric machine.
Only adopt the soft stop of PWM mode control realization motor, the self induction electromotive force produced when the efficiently reducing Car window electric machine stall harm to motor drive module.
When sending " rise right front window " voice command or " rise vehicle window " voice command as the passenger of driver or optional position, right front window glass can rise, and can be automatically stopped rising when right front window glass rises to top.When sending " rise left front window " voice command or " rise vehicle window " voice command as the passenger of driver or optional position, left front glass for vehicle window can rise, and can be automatically stopped rising when left front glass for vehicle window rises to top.When sending " rising right rear window " voice command or " rise vehicle window " voice command as the passenger of driver or optional position, right vehicle rear window glass can rise, and can be automatically stopped rising when right vehicle rear window glass rises to top.When sending " rising left back window " voice command or " rise vehicle window " voice command as the passenger of driver or optional position, left back glass for vehicle window can rise, and can be automatically stopped rising when left back glass for vehicle window rises to top.When sending " falling right front window " voice command or " falling vehicle window " voice command as the passenger of driver or optional position, right front window glass can be fallen, and can be automatically stopped decline when right front window glass drops to bottom.When sending " falling left front window " voice command or " falling vehicle window " voice command as the passenger of driver or optional position, left front glass for vehicle window can be fallen, and can be automatically stopped decline when left front glass for vehicle window drops to bottom.When sending " falling right rear window " voice command or " falling vehicle window " voice command as the passenger of driver or optional position, right vehicle rear window glass can be fallen, and can be automatically stopped decline when right vehicle rear window glass drops to bottom.When sending " falling left back window " voice command or " falling vehicle window " voice command as the passenger of driver or optional position, left back glass for vehicle window can be fallen, and can be automatically stopped decline when left back glass for vehicle window drops to bottom.When sending " stopping right front window " voice command or " stopping vehicle window " voice command as the passenger of driver or optional position, right front window glass can be parked in position this moment.When sending " stopping left front window " voice command or " stopping vehicle window " voice command as the passenger of driver or optional position, left front glass for vehicle window can be parked in position this moment.When sending " stopping right rear window " voice command or " stopping vehicle window " voice command as the passenger of driver or optional position, right vehicle rear window glass can be parked in position this moment.When sending " stopping left back window " voice command or " stopping vehicle window " voice command as the passenger of driver or optional position, left back glass for vehicle window can be parked in position this moment.
When lockup switch is in lockup state, glass for vehicle window is not by by anyone Voice command in car, and when lockup switch is in opening, glass for vehicle window could be controlled by the passenger of driver or optional position by voice.
The advantage that the present invention highlights is: achieves driver and by voice command, four glasss for vehicle window can be carried out ascending, descending, stopping control operation when both hands are without departing from steering wheel, improves the safety of driving.Four glasss for vehicle window can be carried out ascending, descending by voice command by the passenger being sitting in the optional position of any position, stopping controls operation.Owing to adopting soft start, reducing starting current, being used for realizing preventing Car window electric machine from transshipping by current sensor module, thus extending the service life of Car window electric machine.
Accompanying drawing explanation
Fig. 1 is the structure composition frame chart of the embodiment of the present invention.
Fig. 2, Fig. 3, Fig. 4, Fig. 5 are the circuit theory of constitution figure of the embodiment of the present invention.
Detailed description of the invention
Below for left front glass for vehicle window, introduce the ascending, descending of glass for vehicle window, stop the detailed description of the invention of the realization controlled.The detailed description of the invention of the realization that the detailed description of the invention of the realization that left back glass for vehicle window, right front window glass, the ascending, descending of right vehicle rear window glass, stopping control controls with the ascending, descending of left front glass for vehicle window, stopping is identical.
As depicted in figs. 1 and 2, embodiments of the present invention one include the magnet steel 20 on sound identification module 12, single chip control module 13, lockup switch 14, current sensor module 15, motor drive module 16, glass bracket and Hall element 21.
Described Car window electric machine 17 drives glass bracket 19 to move up and down on its track through drive mechanism 18.Glass bracket 19 is fixed with magnet steel 20, when glass for vehicle window rises to top, magnet steel 20 is vertical with the position of Hall element 21 just right, when glass for vehicle window drops to the end, magnet steel 20 is vertical with the position of Hall element 22 just right, and the gap between magnet steel 20 and Hall element 21, Hall element 22 is maintained between 2 millimeters to 3 millimeters.Hall element 21 output low level when glass for vehicle window rises to top, otherwise exports high level.Hall element 22 output low level when glass for vehicle window drops to the end, otherwise exports high level.Hall element 21, Hall element 22 output signal will be passed to single chip control module 13.
Described sound identification module 12 can realize the speech recognition of the passenger of nonspecific driver or optional position, do not need precondition and the recording of the passenger of driver or optional position, and there are password mode and circulation pattern available, under password mode, sound identification module also can send, while providing corresponding output signal, the control command that the passenger of speech response driver or optional position sends, and under circulation pattern, sound identification module only provides and exports signal accordingly.The selection of password mode and circulation pattern is to be realized by the self-lock switch on sound identification module 12.
Car window electric machine 17 is adopted PWM mode control by single chip control module 13.By the dutycycle of PWM to be realized the soft start of Car window electric machine 17 from 0% mode starting to step up the dutycycle needed, efficiently reduce the starting current of Car window electric machine 17.The soft stop realizing Car window electric machine 17 by the dutycycle of PWM is gradually decreased to the mode of 0% is stopped, the self induction electromotive force produced when the efficiently reducing Car window electric machine 17 stall harm to motor drive module 16.
When the passenger 11 of driver or optional position sends " rise left front window " order or " rise vehicle window " orders, sound identification module 12 will identify this voice command, after completing identification, the P15 pin of sound identification module 12 will export high level, other pin output low levels.The high level signal that the P15 pin receiving sound identification module 12 is exported by the PC5 pin of the MEGA8 in single chip control module 13, single chip control module 13 will control motor drive module 16, and motor drive module 16 makes Car window electric machine 17 rotate and drives the rising of left front glass for vehicle window.In uphill process, current sensor module 15 monitors the electric current of left front Car window electric machine 17, when this electric current exceedes setting threshold value, and Hall element 21 exports high level, then illustrate that glass for vehicle window is hindered or clip to foreign body in uphill process, now single chip control module 13 will control motor drive module 16, making left front Car window electric machine 17 opposite direction rotate, making left front window glass fall, thus realizing pinch resistant functionality.If the electric current of left front Car window electric machine 17 exceedes again the threshold value of setting in decline process, left front Car window electric machine 17 is made to stop operating, it is prevented that left front Car window electric machine burns out because of overload.If in uphill process, Hall element 21 output low level, illustrate that left front window has increased to top, now make left front Car window electric machine 17 stop operating.
When the passenger 11 of driver or optional position sends " falling left front window " order or " falling vehicle window " orders, sound identification module 12 will identify this voice command, after completing identification, the P16 pin of sound identification module 12 will export high level, other pin output low levels.The high level signal that the P16 pin receiving sound identification module 12 is exported by the PC4 pin of the MEGA8 in single chip control module 13, single chip control module 13 will control motor drive module 16, and motor drive module 16 makes Car window electric machine 17 rotation drive left front glass for vehicle window to fall.In decline process, current sensor module 15 monitors the electric current of left front Car window electric machine 17, when this electric current exceedes setting threshold value, and Hall element 22 exports high level, then illustrate that glass for vehicle window is hindered in decline process, left front Car window electric machine 17 is now made to stop operating, it is prevented that left front Car window electric machine burns out because of overload.If in decline process, Hall element 22 output low level, illustrate that left front window has descended to the end, now make left front Car window electric machine 17 stop operating.
When the passenger 11 of driver or optional position sends " stopping left front window " order or " stopping vehicle window " orders, sound identification module 12 will identify this voice command, after completing identification, the P17 pin of sound identification module 12 will export high level, other pin output low levels.The high level signal that the P17 pin receiving sound identification module 12 is exported by the PC3 pin of the MEGA8 in single chip control module 13, single chip control module 13 will control motor drive module 16, and motor drive module 16 makes Car window electric machine 17 stop operating.
When lockup switch is in lockup state, glass for vehicle window is not by by anyone Voice command in car, and when lockup switch is in opening, glass for vehicle window could be controlled by the passenger of driver or optional position by voice.
The present invention can summarizing without prejudice to the spirit of the present invention or the concrete form of principal character with other.Therefore, no matter from which point, the embodiment above of the present invention all can only think that the description of the invention can not limit the present invention, claims indicate the scope of the present invention, and the scope of the present invention is not pointed out in above-mentioned explanation, therefore, any change in the implication suitable with claims of the present invention and scope, all it is considered as being included in the scope of claims.
Claims (9)
1. a speech interactive electric car-window control device, including the magnet steel on sound identification module, single chip control module, lockup switch, current sensor module, motor drive module, glass bracket and Hall element, it is characterized in that, the outfan of described sound identification module and current sensor module connects the input of single chip control module；Lockup switch, Hall element connect the input of single chip control module；The input of the output termination motor drive module of single chip control module；The outfan of motor drive module connects the input of Car window electric machine and current sensor module；When vehicle window is raised to top and drops to the end, described magnet steel is vertical with the position of Hall element just right, and the gap between magnet steel and Hall element is maintained between 2 millimeters to 3 millimeters.
2. a kind of speech interactive electric car-window control device as claimed in claim 1, it is characterized in that described sound identification module can realize the speech recognition of the passenger of nonspecific driver or optional position, do not need precondition and the recording of the passenger of driver or optional position, and there are password mode and circulation pattern available, under password mode, sound identification module also can send, while providing corresponding output signal, the control command that the passenger of speech response driver or optional position sends, and under circulation pattern, sound identification module only provides and exports signal accordingly.
3. a kind of speech interactive electric car-window control device as claimed in claim 2, it is characterised in that described sound identification module adopts microphone and LD3320 chip.
4. a kind of speech interactive electric car-window control device as claimed in claim 2, it is characterised in that described single chip control module adopts the MEGA8 single-chip microcomputer of AVR.
5. a kind of speech interactive electric car-window control device as claimed in claim 2, it is characterised in that described current sensor module adopts ACS712 chip.
6. a kind of speech interactive electric car-window control device as claimed in claim 2, it is characterised in that described Hall element adopts A44E.
7. a kind of speech interactive electric car-window control device as claimed in claim 2, it is characterised in that described motor drive module adopts BTN7971 chip.
8. a kind of speech interactive electric car-window control device as claimed in claim 1, it is characterised in that described single chip control module adopts pulse width modulation to control Car window electric machine rotating speed, and only realizes soft start and soft stop.
9. a kind of speech interactive electric car-window control device described in claim 1 realizes voice-operated method, it is characterised in that:
(1) when sending " rise left front window " voice command or " rise vehicle window " voice command as the passenger of driver or optional position, one-chip computer module controls motor drive module, making left front Car window electric machine rotate drives left front glass for vehicle window to rise, and can be automatically stopped rising when left front glass for vehicle window rises to top；
(2) when sending " rise right front window " voice command or " rise vehicle window " voice command as the passenger of driver or optional position, one-chip computer module controls motor drive module, make right front window electric machine rotation drive right front window glass to rise, rising can be automatically stopped when right front window glass rises to top；
(3) when sending " falling left front window " voice command or " falling vehicle window " voice command as the passenger of driver or optional position, one-chip computer module controls motor drive module, making left front Car window electric machine rotate drives left front glass for vehicle window to decline, and can be automatically stopped decline when left front glass for vehicle window drops to bottom；
(4) when sending " falling right front window " voice command or " falling vehicle window " voice command as the passenger of driver or optional position, one-chip computer module controls motor drive module, make right front window electric machine rotation drive right front window glass to decline, decline can be automatically stopped when right front window glass drops to bottom；
(5) when sending " rising left back window " voice command or " rise vehicle window " voice command as the passenger of driver or optional position, one-chip computer module controls motor drive module, making left back Car window electric machine rotate drives left back glass for vehicle window to rise, and can be automatically stopped rising when left back glass for vehicle window rises to top；
(6) when sending " rising right rear window " voice command or " rise vehicle window " voice command as the passenger of driver or optional position, one-chip computer module controls motor drive module, make right vehicle rear window electric machine rotation drive right vehicle rear window glass to rise, rising can be automatically stopped when right vehicle rear window glass rises to top；
(7) when sending " falling left back window " voice command or " falling vehicle window " voice command as the passenger of driver or optional position, one-chip computer module controls motor drive module, making left back Car window electric machine rotate drives left back glass for vehicle window to decline, and can be automatically stopped decline when left back glass for vehicle window drops to bottom；
(8) when sending " falling right rear window " voice command or " falling vehicle window " voice command as the passenger of driver or optional position, one-chip computer module controls motor drive module, make right vehicle rear window electric machine rotation drive right vehicle rear window glass to decline, decline can be automatically stopped when right vehicle rear window glass drops to bottom；
(9), when sending " stopping left back window " voice command or " stopping vehicle window " voice command as the passenger of driver or optional position, one-chip computer module controls motor drive module, makes left back Car window electric machine stop operating, and left back glass for vehicle window is parked in current position；
(10), when sending " stopping right rear window " voice command or " stopping vehicle window " voice command as the passenger of driver or optional position, one-chip computer module controls motor drive module, makes right vehicle rear window motor stalls, and right vehicle rear window glass is parked in current position；
(11), when sending " stopping left front window " voice command or " stopping vehicle window " voice command as the passenger of driver or optional position, one-chip computer module controls motor drive module, makes left front Car window electric machine stop operating, and left front glass for vehicle window is parked in current position；
(12), when sending " stopping right front window " voice command or " stopping vehicle window " voice command as the passenger of driver or optional position, one-chip computer module controls motor drive module, makes right front window motor stalls, and right front window glass is parked in current position；
(13) when lockup switch is in lockup state, glass for vehicle window is not by by anyone Voice command in car, and when lockup switch is in opening, glass for vehicle window could be controlled by the passenger of driver or optional position by voice.
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| CN201510037991.5A CN105715140A (en) | 2015-01-27 | 2015-01-27 | Voice interactive power window control device and control method |
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| CN201510037991.5A CN105715140A (en) | 2015-01-27 | 2015-01-27 | Voice interactive power window control device and control method |
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| CN111305696A (en) * | 2019-11-30 | 2020-06-19 | 南宁学院 | Voice control vehicle window system and method thereof |
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Application publication date: 20160629 |