CN107318069A - Audio automatic playing system and method - Google Patents
Audio automatic playing system and method Download PDFInfo
- Publication number
- CN107318069A CN107318069A CN201710555294.8A CN201710555294A CN107318069A CN 107318069 A CN107318069 A CN 107318069A CN 201710555294 A CN201710555294 A CN 201710555294A CN 107318069 A CN107318069 A CN 107318069A
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- Prior art keywords
- automobile
- microcontroller
- voice
- circuit
- photoelectric sensor
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
The present invention relates to automobile technical field, a kind of audio automatic playing system and method are provided, applied to automobile, including sensor detection circuit, microcontroller and voice playing circuit, sensor detection circuit includes the first photoelectric sensor and the second photoelectric sensor, object around automobile is detected by the first photoelectric sensor, when detecting motor vehicle environment and having object, microprocessor control voice playing circuit plays the first voice；And the object of the inside of automobile is detected by the second photoelectric sensor, when detecting automotive interior and having object, the second voice is played in the switching of microprocessor control voice playing circuit, compared with artificial introduction of the prior art, automatic broadcasting voice of the invention, while bringing the experience of customer well, the working strength of salesman or teacher are alleviated.
Description
Technical field
The present invention relates to automobile technical field, in particular to a kind of audio automatic playing system and method.
Background technology
With the development of science and technology, automobile becomes more and more indispensable in the life of people, as important work of riding instead of walk
Tool.In this context, the various activities around automobile development are also more and more, for example, automobile sales exhibition, sale of automobile etc., meanwhile,
Also there is teaching of the increasing school on automobile.During automobile sales exhibition, sale of automobile and vehicle teaching, pin
The person of selling or teacher need to introduce the performance in six orientation of automobile repeatedly so that the working strength of salesman or teacher are very big,
Especially when customer is more, salesman few in number is difficult with respect to each customer, it is impossible to tackle the inquiry of customer one by one
Ask, this can cause Customer Experience not good.
The content of the invention
It is an object of the invention to provide a kind of audio automatic playing system and method, to improve above mentioned problem.
To achieve these goals, the technical scheme that the embodiment of the present invention is used is as follows：
The invention provides a kind of audio automatic playing system, applied to automobile, including sensor detection circuit, microcontroller
Device and voice playing circuit, sensor detection circuit, microcontroller and voice playing circuit are sequentially connected electrically；Sensor detection electricity
Road includes the first photoelectric sensor and the second photoelectric sensor, the first photoelectric sensor and the second photoelectric sensor respectively with micro-control
Device electrical connection processed；First photoelectric sensor is installed on the body exterior of automobile, for detecting around automobile whether there is object,
If detecting with the presence of object around automobile, the first level signal is sent to microcontroller；Second photoelectric sensor is pacified
Interior of body loaded on automobile, for detecting whether the inside of automobile has object, if detecting the inside of automobile has object
In the presence of then sending second electrical level signal to the microcontroller；Microcontroller, for when receiving the first level signal, controlling
Voice playing circuit processed plays the first voice, and when receiving second electrical level signal, the switching of control voice playing circuit is played
Second voice.
Further, first photoelectric sensor has multiple, be distributed in the front end of body exterior, rear end, at headlight and
Car side.
Further, second photoelectric sensor has 2, is distributed in the front-end and back-end of interior of body.
Further, the voice playing circuit include speech play chip and loudspeaker, the speech play chip it is defeated
Enter end to electrically connect with the microcontroller, the output end of the speech play chip is electrically connected with the loudspeaker.
Further, the audio automatic playing system also includes power circuit, and the power circuit is passed with described respectively
Sensor detection circuit, microcontroller, voice playing circuit electrical connection.
Further, the power circuit includes battery, the battery respectively with the sensor detection circuit, micro-
Controller, voice playing circuit electrical connection.
Further, the microcontroller is single-chip microcomputer.
Further, the audio automatic playing system also includes warning device, the warning device and the single-chip microcomputer
Electrical connection, for when the audio automatic playing system breaks down, being alarmed.
Further, the warning device is alarm lamp.
A kind of audio automatic broadcasting method, applied to above-mentioned audio automatic playing system, the audio is played automatically is
System is applied to automobile, including sensor detection circuit, microcontroller and voice playing circuit, sensor detection circuit, microcontroller
Device and voice playing circuit are sequentially connected electrically；Sensor detection circuit includes the first photoelectric sensor and the second photoelectric sensor,
First photoelectric sensor and the second photoelectric sensor are electrically connected with microcontroller respectively；First photoelectric sensor is installed on automobile
Body exterior, for detecting around automobile whether there is object, if detecting with the presence of object around automobile, sends
First level signal is to microcontroller；Second photoelectric sensor is installed on the interior of body of automobile, the inside for detecting automobile
Whether there is object, if the inside for detecting automobile is with the presence of object, send second electrical level signal to the microcontroller；
Microcontroller, for when receiving the first level signal, control voice playing circuit plays the first voice, and is receiving the
During two level signals, the second voice is played in the switching of control voice playing circuit.The audio automatic broadcasting method includes：First light
Whether there is object around electric transducer detection automobile, if detecting with the presence of object around automobile, send first
Level signal is to the microcontroller；Whether the inside of the second photoelectric sensor detection detection automobile has object, if detecting
The inside of automobile then sends second electrical level signal to microcontroller with the presence of object；Microcontroller is receiving the first level
During signal, control voice playing circuit plays the first voice, and when receiving second electrical level signal, control voice playing circuit
The second voice is played in switching.
Compared with the prior art, the invention has the advantages that：A kind of audio automatic playing system that the present invention is provided
And method, the object around automobile is detected by the first photoelectric sensor, it is micro- when detecting motor vehicle environment and having object
Controller control voice playing circuit plays the first voice；And the target of the inside of automobile is detected by the second photoelectric sensor
Thing, when detecting automotive interior and having object, the second voice is played in the switching of microprocessor control voice playing circuit, and existing
Artificial introduction in technology is compared, and the present invention is automatic to play voice, while bringing the experience of customer well, alleviates salesman
Or the working strength of teacher.
To enable the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate
Appended accompanying drawing, is described in detail below.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be attached to what is used required in embodiment
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore is not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 shows the structured flowchart for the audio automatic playing system that the embodiment of the present invention is provided.
Fig. 2 shows the circuit diagram for the voice playing circuit that the embodiment of the present invention is provided.
Fig. 3 shows the circuit diagram for the power circuit that the embodiment of the present invention is provided.
Fig. 4 shows the workflow diagram for the audio automatic playing system that the embodiment of the present invention is provided.
Icon：100- audio automatic playing systems；110- sensor detection circuits；The photoelectric sensors of 111- first；113-
Second photoelectric sensor；120- microcontrollers；130- voice playing circuits；140- warning devices；150- power circuits；131- loudspeakers
；151- power supplies；153- reduction voltage circuits；155- mu balanced circuits.
Embodiment
Below in conjunction with accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Generally exist
The component of the embodiment of the present invention described and illustrated in accompanying drawing can be arranged and designed with a variety of configurations herein.Cause
This, the detailed description of the embodiments of the invention to providing in the accompanying drawings is not intended to limit claimed invention below
Scope, but it is merely representative of the selected embodiment of the present invention.Based on embodiments of the invention, those skilled in the art are not doing
The every other embodiment obtained on the premise of going out creative work, belongs to the scope of protection of the invention.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.Meanwhile, the present invention's
In description, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that indicating or implying relative importance.
Fig. 1 is refer to, Fig. 1 shows the structured flowchart for the audio automatic playing system 100 that the embodiment of the present invention is provided.
Audio automatic playing system 100 is applied to automobile, including sensor detection circuit 110, microcontroller 120, voice playing circuit
130th, warning device 140 and power circuit 150.Sensor detection circuit 110, microcontroller 120 and voice playing circuit 130 according to
Secondary electrical connection, and microcontroller 120 electrically connects with warning device 140, power circuit 150 respectively with sensor detection circuit 110,
Microcontroller 120, voice playing circuit 130 and warning device 140 are electrically connected.
In the present embodiment, sensor detection circuit 110 includes the first photoelectric sensor 111 and the second photoelectric sensor
113, the first photoelectric sensor 111 and the second photoelectric sensor 113 are electrically connected with microcontroller 120 respectively, and respectively with power supply
Circuit 150 is electrically connected.
In the present embodiment, the first photoelectric sensor 111 is installed on the body exterior of automobile, for detecting around automobile
Whether there is object, if detecting with the presence of object around automobile, send the first level signal to microcontroller 120.
As a kind of embodiment, the first photoelectric sensor 111 has multiple, is distributed in the front end, rear end, headlight of the body exterior of automobile
Place and car side, if any one first photoelectric sensor 111 detects object, send the first level signal to microcontroller
120.Object may be, but not limited to, customer, student etc., and the first level signal can be low level signal.
In the present embodiment, the first photoelectric sensor 111 may be, but not limited to, E3Z-L61 photoelectric sensors, with knot
Structure is simple, dependable performance the advantages of.
In the present embodiment, the second photoelectric sensor 113 is installed on the interior of body of automobile, the inside for detecting automobile
Whether there is object, if the inside for detecting automobile is with the presence of object, send second electrical level signal to microcontroller 120.
As a kind of embodiment, the second photoelectric sensor 113 has 2, is distributed in the front-end and back-end of the interior of body of automobile, if appointing
One the second photoelectric sensor 113 of meaning detects object, then sends second electrical level signal to microcontroller 120.Object can
To be, but customer, student etc. are not limited to, second electrical level signal can be low level signal, the first level signal and second electrical level
The signal intensity of signal is different.
In the present embodiment, the second photoelectric sensor 113 may be, but not limited to, E3Z-L61 photoelectric sensors, with knot
Structure is simple, dependable performance the advantages of.
In the present embodiment, microcontroller 120 is used to receive the first level letter of the first photoelectric sensor 111 transmission
Number when, control voice playing circuit 130 play the first voice, and receiving the second photoelectric sensor 113 transmission second electricity
During ordinary mail, the second voice is played in the switching of control voice playing circuit 130.As a kind of embodiment, microcontroller 120 is in head
It is secondary receive any one first photoelectric sensor 111 transmission the first level signal when, control voice playing circuit 130 is played
First voice, and when receiving the second electrical level signal of any one second photoelectric sensor 113 transmission first, control voice
The second voice is played in the switching of playing circuit 130.
In the present embodiment, the first voice can be design, material, performance, advantage of the body exterior for introducing automobile etc.
Voice messaging, the second voice can be design, material, performance, the advantage of the interior of body for introducing automobile etc. voice letter
Breath.
In the present embodiment, microcontroller 120 can be a kind of IC chip, with signal handling capacity, micro-control
Device 120 processed can be general processor, including central processing unit (Central Processing Unit, CPU), network processes
Device (Network Processor, NP), speech processor and video processor etc., can also be digital signal processor, specially
With integrated circuit, field programmable gate array or other PLDs, discrete gate or transistor logic, divide
Vertical nextport hardware component NextPort.As a kind of embodiment, microcontroller 120 may be, but not limited to, single-chip microcomputer.
Fig. 2 is refer to, Fig. 2 shows the circuit diagram for the voice playing circuit 130 that the embodiment of the present invention is provided.Voice is broadcast
Discharged the speech play chip U1 of road 130 and loudspeaker 131, and speech play chip U1 input is electrically connected with microcontroller 120, language
The output end that sound plays chip U1 is electrically connected with loudspeaker 131.
In the present embodiment, speech play chip U1 includes output end MICP and MICN, offset side MBS, voice signal ginseng
Examine voltage section VREF, analog circuit power end VDDA, digital circuit power source end VDDIO.
As a kind of embodiment, output end MICP is electrically connected through the first electric capacity C1 with loudspeaker 131, and output end MICN is through
Two electric capacity C2 are electrically connected with loudspeaker 131.
As a kind of embodiment, offset side MBS is electrically connected with loudspeaker 131 and by the 3rd electric capacity C3 and the 4th electric capacity C4
Capacitance group ground connection in parallel.
As a kind of embodiment, voice signal reference voltage section VREF is in parallel with the 6th electric capacity C6 by the 5th electric capacity C5
Capacitance group ground connection.
As a kind of embodiment, analog circuit power end VDDA is grounded through the 7th electric capacity C7, and through the 8th electric capacity C8 and
The LC filter circuits of first inductance L1 compositions are electrically connected with power circuit 150, and the 8th electric capacity C8 is electrically connected to the first inductance L1's
Between one end and ground, the 9th electric capacity C9 is electrically connected between the first inductance L1 other end and ground.
In the present embodiment, speech play chip U1 can be but not limited to LD3320 chips.
In the present embodiment, loudspeaker 131 include microphone M1, and speech play chip U1 output end MICP is through the first electric capacity
C1 is electrically connected with microphone M1 positive pole, and speech play chip U1 output end MICN is through the negative of the second electric capacity C2 and microphone M1
Pole is electrically connected.
As a kind of embodiment, loudspeaker 131 are installed on the outside of the roof of automobile.
In the present embodiment, warning device 140 is electrically connected with microcontroller 120, and is electrically connected with power circuit 150.Report
Alarm device 140 is used for when audio automatic playing system 100 breaks down, and is alarmed.It is used as a kind of embodiment, alarm dress
It is alarm lamp to put 140.
Fig. 3 is refer to, Fig. 3 shows the circuit diagram for the power circuit 150 that the embodiment of the present invention is provided.Power circuit
150 electrically connect with sensor detection circuit 110, microcontroller 120, voice playing circuit 130 and warning device 140 respectively, use
In for sensor detection circuit 110, microcontroller 120, voice playing circuit 130 and warning device 140 provide supply of electric power.
In the present embodiment, power circuit 150 includes power supply 151, reduction voltage circuit 153 and mu balanced circuit 155, power supply
Power supply 151, reduction voltage circuit 153 and mu balanced circuit 155 are sequentially connected electrically, and mu balanced circuit 155 respectively with sensor detection circuit
110th, microcontroller 120, voice playing circuit 130 and warning device 140 are electrically connected.
In the present embodiment, power supply 151 can be with external battery, or the battery of automobile in itself, supplies
Power supply 151 is electrically connected with reduction voltage circuit 153.
In the present embodiment, there is provided sensing for the output voltage of power supply 151 to be depressured for reduction voltage circuit 153
Voltage needed for device detection circuit 110, microcontroller 120, voice playing circuit 130 and the normal work of warning device 140.
In the present embodiment, mu balanced circuit 155 includes voltage stabilizing chip U2, the tenth electric capacity C10, the 11st electric capacity C11 and the
12 electric capacity C12, voltage stabilizing chip U2 include input VIN, output end VOUT and earth terminal GND.As a kind of embodiment, surely
Pressure chip U2 input VIN is electrically connected with No. 1 pin of power supply 151 through reduction voltage circuit 153, and the tenth electric capacity of concatenation
C10 is grounded；Voltage stabilizing chip U2 output end VOUT concatenates the 11st electric capacity C11 ground connection, and the 11st electric capacity C11 two ends are parallel with
12nd electric capacity C12；Voltage stabilizing chip U2 output end VOUT is also electrically connected respectively to speech play chip U1 voice signal ginseng
Voltage section VREF, analog circuit power end VDDA, digital circuit power source end VDDIO are examined, and it is sensor detection circuit 110, micro-
Controller 120, warning device 140.The function of mu balanced circuit 155 is to be after 5V or so by the voltage stabilization of power supply 151
Audio automatic playing system 100 is powered.
Fig. 4 is refer to, Fig. 4 shows the workflow for the audio automatic playing system 100 that the embodiment of the present invention is provided
Figure, the workflow of audio automatic playing system 100 is as follows：
Whether there is object around step S101, the first photoelectric sensor 111 detection automobile, if detecting the week of automobile
Object presence is with, then sends the first level signal to microcontroller 120.
In the present embodiment, the first photoelectric sensor 111 has multiple, be distributed in the front end of the body exterior of automobile, rear end,
At headlight and car side, if any one first photoelectric sensor 111 detects object, sends the first level signal to micro-control
Device 120 processed.
Whether step S102, the inside of the second photoelectric sensor 113 detection detection automobile has object, if detecting automobile
Inside second electrical level signal is sent with the presence of object, then to microcontroller 120.
In the present embodiment, the second photoelectric sensor 113 has 2, is distributed in the front-end and back-end of the interior of body of automobile,
If any one second photoelectric sensor 113 detects object, second electrical level signal is sent to microcontroller 120.
Step S103, microcontroller 120 is when receiving the first level signal, and control voice playing circuit 130 plays the
One voice, and when receiving second electrical level signal, the second voice is played in the switching of control voice playing circuit 130.
In the present embodiment, microcontroller 120 is receiving the of the transmission of any one first photoelectric sensor 111 first
During one level signal, control voice playing circuit 130 plays the first voice, and is receiving any one second photoelectric transfer first
During the second electrical level signal that sensor 113 is sent, the second voice is played in the switching of control voice playing circuit 130.
The operation principle for the audio automatic playing system 100 that the embodiment of the present invention is provided is：First, when any one point
The front end of the body exterior of automobile, rear end, the first photoelectric sensor 111 of at headlight and car side is distributed in detect around automobile
Have in the presence of object, send the first level signal to microcontroller 120；Secondly, when any one is distributed in the vehicle body of automobile
Second photoelectric sensor 113 of internal front-end and back-end detect automobile inside have an object in the presence of, send the second electricity
Ordinary mail number is to microcontroller 120；Finally, microcontroller 120 is sent receiving any one first photoelectric sensor 111 first
The first level signal when, control voice playing circuit 130 plays the first voice, and is receiving any one second light first
During the second electrical level signal that electric transducer 113 is sent, the second voice is played in the switching of control voice playing circuit 130.
In summary, the present invention is provided a kind of audio automatic playing system and method, applied to automobile, including sensor
Circuit, microcontroller and voice playing circuit are detected, sensor detection circuit, microcontroller and voice playing circuit are electrically connected successively
Connect；Sensor detection circuit includes the first photoelectric sensor and the second photoelectric sensor, the first photoelectric sensor and the second photoelectricity
Sensor is electrically connected with microcontroller respectively；First photoelectric sensor is installed on the body exterior of automobile, for detecting automobile
Whether surrounding has object, if detecting with the presence of object around automobile, sends the first level signal to microcontroller；
Second photoelectric sensor is installed on the interior of body of automobile, for detecting whether the inside of automobile has object, if detecting vapour
The inside of car then sends second electrical level signal to the microcontroller with the presence of object；Microcontroller, for receiving
During one level signal, control voice playing circuit plays the first voice, and when receiving second electrical level signal, control voice is broadcast
The second voice is played in road switching of discharging.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.It should be noted that：Similar label and letter exists
Similar terms is represented in following accompanying drawing, therefore, once being defined in a certain Xiang Yi accompanying drawing, is then not required in subsequent accompanying drawing
It is further defined and explained.
Claims (10)
1. a kind of audio automatic playing system, it is characterised in that applied to automobile, the audio automatic playing system includes sensing
Device detection circuit, microcontroller and voice playing circuit, the sensor detection circuit, microcontroller and voice playing circuit according to
Secondary electrical connection；
The sensor detection circuit include the first photoelectric sensor and the second photoelectric sensor, first photoelectric sensor and
Second photoelectric sensor is electrically connected with the microcontroller respectively；
First photoelectric sensor is installed on the body exterior of the automobile, for detecting around the automobile whether there is mesh
Thing is marked, if detecting around the automobile with the presence of object, the first level signal is sent to the microcontroller；It is described
Second photoelectric sensor is installed on the interior of body of the automobile, for detecting whether the inside of the automobile has object, if
The inside of the automobile is detected with the presence of object, then sends second electrical level signal to the microcontroller；
The microcontroller, for when receiving first level signal, controlling the voice playing circuit to play first
Voice, and when receiving the second electrical level signal, control the voice playing circuit switching to play the second voice.
2. audio automatic playing system as claimed in claim 1, it is characterised in that first photoelectric sensor has multiple,
It is distributed in the front end of body exterior, rear end, at headlight and car side.
3. audio automatic playing system as claimed in claim 1, it is characterised in that second photoelectric sensor has 2, point
It is distributed in the front-end and back-end of interior of body.
4. audio automatic playing system as claimed in claim 1, it is characterised in that the voice playing circuit is broadcast including voice
Chip and loudspeaker are put, the input of the speech play chip is electrically connected with the microcontroller, the speech play chip
Output end is electrically connected with the loudspeaker.
5. audio automatic playing system as claimed in claim 1, it is characterised in that the audio automatic playing system also includes
Power circuit, the power circuit is electrically connected with the sensor detection circuit, microcontroller, voice playing circuit respectively.
6. audio automatic playing system as claimed in claim 5, it is characterised in that the power circuit includes battery, institute
Battery is stated to electrically connect with the sensor detection circuit, microcontroller, voice playing circuit respectively.
7. audio automatic playing system as claimed in claim 1, it is characterised in that the microcontroller is single-chip microcomputer.
8. audio automatic playing system as claimed in claim 7, it is characterised in that the audio automatic playing system also includes
Warning device, the warning device and the monolithic mechatronics, for when the audio automatic playing system breaks down,
Alarmed.
9. audio automatic playing system as claimed in claim 8, it is characterised in that the warning device is alarm lamp.
10. a kind of audio automatic broadcasting method, it is characterised in that automatic applied to the audio described in claim any one of 1-9
Play system, methods described includes：
Whether first photoelectric sensor is detected around the automobile has object, if detect has around the automobile
Object is present, then sends the first level signal to the microcontroller；
Whether the inside of the second photoelectric sensor detection detection automobile has object, if detecting the interior of the automobile
Portion then sends second electrical level signal to the microcontroller with the presence of object；
The microcontroller controls the voice playing circuit to play the first voice when receiving first level signal,
And when receiving the second electrical level signal, control the voice playing circuit switching to play the second voice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710555294.8A CN107318069B (en) | 2017-07-10 | 2017-07-10 | Automatic audio playing system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710555294.8A CN107318069B (en) | 2017-07-10 | 2017-07-10 | Automatic audio playing system and method |
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| CN107318069A true CN107318069A (en) | 2017-11-03 |
| CN107318069B CN107318069B (en) | 2023-07-28 |
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| CN107318069B (en) | 2023-07-28 |
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