CN108966180B - Intelligent automobile high-fidelity sound equipment - Google Patents
Intelligent automobile high-fidelity sound equipment Download PDFInfo
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- CN108966180B CN108966180B CN201810807604.5A CN201810807604A CN108966180B CN 108966180 B CN108966180 B CN 108966180B CN 201810807604 A CN201810807604 A CN 201810807604A CN 108966180 B CN108966180 B CN 108966180B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/48—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for in-vehicle communication
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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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
Abstract
The invention discloses an intelligent automobile high-fidelity sound box, which relates to playing equipment and solves the problem that people need to respectively operate an automobile terminal and a mobile terminal each time to establish connection and are inconvenient to use, and the technical scheme is characterized in that: the system also comprises a mobile Bluetooth module, an automobile Bluetooth module, a distance judgment module, an acquisition module, a processing module and an establishment module; when the distance detection signal is smaller than the farthest distance signal, the mobile terminal acquires the address of the automobile Bluetooth module and stores matching information; when the address information of the automobile Bluetooth module is consistent with the Bluetooth address information prestored in the mobile terminal, a request instruction for entering the automobile Bluetooth module is generated and uploaded to the automobile terminal; and when the establishing module receives the request instruction, establishing the Bluetooth connection. The intelligent automobile high-fidelity sound box enables the mobile terminal to be directly connected with the automobile terminal, manual operation is not needed, and the intelligent automobile high-fidelity sound box is convenient to use and more intelligent.
Description
Technical Field
The invention relates to playing equipment, in particular to an intelligent automobile high-fidelity sound box.
Background
The sound refers to sounds other than human speech and music, and includes sounds of natural environments, sounds of animals, sounds of machine tools, various sounds generated by human motions, and the like.
With the development of science and technology, the sound equipment can be placed in a living room and a cinema for people to enjoy, and can also be installed on an automobile terminal, so that people can enjoy music in the driving process.
When people use the car audio, two modes are generally adopted to connect the sound box, one mode is a data line mode, the mobile terminal is connected with the sound box, and the other mode is a wireless connection mode, for example, a Bluetooth mode is adopted for connection. The mobile terminal can be a mobile phone or a tablet.
The wireless connection mode is more convenient to use, but when the wireless connection mode is used, the mobile terminal and the automobile terminal need to be connected to play, therefore, people need to operate the automobile terminal and the mobile terminal respectively at every time, connection is established, and the wireless connection mode is inconvenient to use and has an improved space.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an intelligent high-fidelity automobile sound box, which enables a mobile terminal and an automobile terminal to be directly connected without manual operation, is convenient to use and is more intelligent.
The technical purpose of the invention is realized by the following technical scheme:
the utility model provides an intelligence car hi-fi stereo set, includes car terminal, mobile terminal, still includes:
the mobile Bluetooth module is arranged on the mobile terminal and connected with the mobile terminal;
the automobile Bluetooth module is arranged on the automobile terminal and is connected with the automobile terminal;
the distance judgment module is connected with the automobile terminal and is used for detecting the distance from the mobile Bluetooth module to the automobile Bluetooth module and outputting a distance detection signal;
the acquisition module is connected with the mobile terminal, acquires the address information of the automobile Bluetooth module and establishes matching information connected with the automobile Bluetooth module, and uploads the matching information to the mobile terminal for storage;
the processing module is connected with the automobile terminal to acquire the address information of the automobile Bluetooth module, call the Bluetooth address in the mobile terminal and judge whether the two are consistent or not, acquire the matching information of the automobile Bluetooth module and call the matching data in the mobile terminal and judge whether the two are consistent or not;
the establishing module is connected with the automobile terminal and controls the mobile Bluetooth module to establish Bluetooth connection with the automobile Bluetooth module according to the request instruction;
the automobile terminal is preset with a farthest distance signal corresponding to the farthest distance connected with the Bluetooth, and when the distance detection signal is smaller than the farthest distance signal, the mobile terminal acquires and stores address information and matching information of the automobile Bluetooth module;
when the address information of the automobile Bluetooth module is consistent with the Bluetooth address information prestored in the mobile terminal and the matching information acquired by the automobile Bluetooth module is consistent with the matching data prestored in the mobile terminal, generating a request instruction entering the automobile Bluetooth module and uploading the request instruction to the automobile terminal; otherwise, no request instruction is sent;
when the establishing module receives the request instruction, establishing Bluetooth connection; otherwise, no bluetooth connection is established.
Adopt above-mentioned scheme, remove bluetooth module and car bluetooth module and connect, thereby carry out the broadcast of music to the stereo set, the distance judgement module detects the distance of removing bluetooth module and car bluetooth module, thereby make the transmission distance between them judge, it carries out acquireing and judging that the instruction is carried out with removal bluetooth module and car bluetooth module to acquire module cooperation processing module, establish the setting of module, make and remove bluetooth module and car bluetooth module and establish the bluetooth and be connected, thereby work.
Preferably, the protection device further comprises a protection module which is connected with the automobile terminal and is used for detecting the rotation direction of the wheels of the automobile so as to output rotation detection signals;
a rotation reference signal is preset in the automobile terminal, and when the rotation detection signal is smaller than the rotation reference signal, the sound box does not make a sound; otherwise, the sound makes a sound.
Adopt above-mentioned scheme, protection module's setting makes the wheel on the car when to advancing, and the stereo set can carry out normal work, and the wheel on the car is when the backspacing, and the stereo set stop work to make navigating mate can be absorbed in and back a car, improved the security of driving.
Preferably, the system also comprises an induction module which is connected with the automobile terminal and is used for controlling the automobile Bluetooth module to be started;
the sensing module is used for detecting the weight of a human body on an automobile seat and outputting a weight detection signal, and a weight reference signal corresponding to the lowest weight is preset at the automobile terminal;
when the weight detection signal is greater than the weight reference signal, the automobile Bluetooth module is started; otherwise, it is not turned on.
Adopt above-mentioned scheme, response module detects whether someone sits on the seat, judges with preset weight reference signal simultaneously, in case nobody is in the seat, just can close car bluetooth module to the energy saving has improved the flexibility when using.
Preferably, the device also comprises a weight judging module connected with the sensing module,
when the weight detection signal is smaller than the weight reference signal, the weight judgment module is started; otherwise, not starting;
when the weight detection signal is greater than the weight reference signal when the weight judgment module is started, the automobile Bluetooth module is not started.
Adopt above-mentioned scheme, the setting of weight judgement module judges the weight detected signal on the seat of car to the reduction is piled up because of the goods and is reached the condition of starting weight, thereby has improved the detectability of response module to weight, and the practicality is strong.
Preferably, the method further comprises the following steps:
the power failure detection module is connected with the automobile terminal and is used for judging whether the sound equipment is powered off or not;
the micro-processing module is connected with the automobile terminal and is used for storing breakpoint information, media playing information and user operation information;
when the power failure detection module detects that the sound equipment is powered down, the micro-processing module stores the data, and when the sound equipment is powered on for the first time after the power failure, the data are called from the micro-processing module and the recovery of the data of the sound equipment is completed.
By adopting the scheme, the power failure detection module is arranged and matched with the micro-processing module, so that when the automobile terminal is powered off, breakpoint information, media playing information and user operation information can be stored through the micro-processing module, and once the automobile terminal is powered on next time, the information during power failure can be called, so that the music in the previous stage can be played continuously.
Preferably, the method further comprises the following steps:
the voltage isolation module is connected with the automobile terminal and is used for forward conduction of voltage;
the filtering module is connected with the automobile terminal and is used for stabilizing a power supply and storing energy;
when the sound equipment is powered off, the current cannot flow reversely through the voltage isolation module, and the filtering module provides electric energy to realize the storage of sound information by the micro-processing module.
By adopting the scheme, the voltage isolation module is arranged, so that the power supply voltage can be conducted positively, the current cannot flow reversely when the automobile terminal is powered off, the filtering module is arranged, the effect of stabilizing the power supply is achieved, and the purpose of storing energy is achieved, so that the electric energy for recording the electric energy is provided for the micro-processing module, and the practicability is high.
Preferably, the system also comprises a humidity detection module connected with the automobile terminal and used for outputting a humidity detection signal, and a preheating module used for preheating the circuit board, wherein the automobile terminal is also preset with a humidity reference signal corresponding to the highest humidity;
when the humidity detection signal is greater than the humidity reference signal, the preheating module preheats the circuit board until the humidity detection signal is less than the humidity reference signal, the preheating module stops preheating, and the circuit board is electrified to work.
Adopt above-mentioned scheme, humidity detection module's setting detects the humidity in the automobile terminal to reduced the circuit board because the interference that the humidity caused, improved tone quality, preheated the circuit board through preheating the module simultaneously, thereby evaporated the drop of water around the circuit board, further improved the tone quality of stereo set.
Preferably, the system further comprises an equalizer module connected with the mobile terminal and used for adjusting the sound, a storage module connected with the equalizer module and used for storing the adjusted state, and a selection module connected with the storage module and used for selecting the corresponding mode;
when the sound equipment is played, the selection module preferentially calls and plays the mode used by the equalizer module last time.
Adopt above-mentioned scheme, the setting of equalizer module can adjust the broadcast tone quality of stereo set to adjust out suitable own sound, and the use of cooperation storage module, thereby save the content of adjusting, make things convenient for the later stage to transfer, in case the back of going up, can preferentially transfer the information that last equalizer module set up.
Preferably, the vehicle speed detection system also comprises a volume adjusting module connected with the vehicle terminal and a vehicle speed detection module used for detecting the current vehicle speed and outputting a vehicle speed detection signal;
the automobile terminal is preset with a volume increasing database corresponding to the automobile speed, and the automobile speed and the volume are set in direct proportion;
the vehicle speed detection module outputs a vehicle speed detection signal and matches the lifting data from the volume lifting database,
and the volume adjusting module acquires the lifted data and adjusts the volume.
Adopt above-mentioned scheme, volume control module's setting can adjust the sound of current stereo set broadcast, and speed of a motor vehicle detection module detects current speed of a motor vehicle simultaneously, and when the speed that the car went becomes fast, will receive the friction between external wind and the car in the car to produce certain noise, thereby disturb people to the appreciation of music, through the mode that improves the volume, make people can hear the sound that the stereo set broadcast.
Preferably, the system also comprises an outdoor sound detection module and a noise reduction module, wherein the outdoor sound detection module is connected with the automobile terminal and is used for detecting the sound outside the automobile and outputting an outdoor sound detection signal;
the automobile terminal is preset with an outdoor sound reference signal corresponding to the lowest noise, and when the outdoor sound detection signal is greater than the outdoor sound reference signal, the noise reduction module is started to realize noise reduction;
and the noise reduction intensity of the noise reduction module is enhanced along with the increase of the outdoor sound signal.
By adopting the scheme, the outdoor sound detection module is arranged to detect external sound, and once the outdoor sound detection module is greater than an outdoor sound reference signal, the noise reduction module can be used for removing partial noise, improving the appreciation of people in the car to music, and enabling the noise reduction intensity to be in direct proportion to the outdoor noise, so that the use is more flexible.
In conclusion, the invention has the following beneficial effects:
1. the mobile terminal is directly connected with the automobile terminal without manual operation, so that the mobile terminal is convenient to use and more intelligent;
2. the loudspeaker box has the functions of dehumidification and noise reduction, and improves the sound quality of loudspeaker box playing.
Drawings
FIG. 1 is a system block diagram of an intelligent automobile hi-fi stereo;
FIG. 2 is a system flow diagram of a distance determination module;
FIG. 3 is a system flow diagram of a protection module;
FIG. 4 is a system flow diagram of a sensing module;
FIG. 5 is a system flow diagram of a micro-processing module;
FIG. 6 is a system flow diagram of a humidity detection module;
FIG. 7 is a system flow diagram of a selection module;
FIG. 8 is a system flow diagram of a vehicle speed detection module;
fig. 9 is a system flow diagram of an outdoor sound detection module.
Reference numerals: 1. an automobile terminal; 2. a mobile terminal; 3. a mobile Bluetooth module; 4. a vehicle Bluetooth module; 5. a distance judgment module; 6. an acquisition module; 7. a processing module; 8. establishing a module; 9. a protection module; 10. a sensing module; 11. a weight judgment module; 12. a power failure detection module; 13. a microprocessor module; 14. a voltage isolation module; 15. a filtering module; 16. a humidity detection module; 17. a preheating module; 18. an equalizer module; 19. a storage module; 20. a selection module; 21. a volume adjustment module; 22. a vehicle speed detection module; 23. an outdoor sound detection module; 24. and a noise reduction module.
Detailed Description
The present invention is described in further detail below with reference to figures 1-9.
As shown in figure 1, an intelligence car hi-fi stereo set, including car terminal 1, mobile terminal 2, car terminal 1 and mobile terminal 2 interconnect, and the mode of connecting adopts wireless connection, adopts the bluetooth to connect in this embodiment, and mobile terminal 2 can be smart mobile phone, panel computer, and car terminal 1 can be singlechip, computer.
The system comprises an automobile terminal 1, an automobile Bluetooth module 4, a distance judgment module 5, a processing module 7, an establishing module 8, a protection module 9, an induction module 10, a weight judgment module 11, a power failure detection module 12, a micro-processing module 13, a voltage isolation module 14, a filtering module 15, a humidity detection module 16, a preheating module 17, a volume adjusting module 21, an automobile speed detection module 22, an outdoor sound detection module 23 and a noise reduction module 24.
The distance judgment module 5 is used for detecting the distance from the mobile Bluetooth module 3 to the automobile Bluetooth module 4 and outputting a distance detection signal, the automobile Bluetooth module 4 and the mobile Bluetooth module 3 are limited in distance in communication, and the distance judgment module 5 helps the automobile Bluetooth module 4 and the mobile Bluetooth module 3 to detect the distance of the communication in advance.
The processing module 7 is used for acquiring the address information of the automobile Bluetooth module 4, calling the Bluetooth address in the mobile terminal 2 and judging whether the two addresses are consistent, and also acquiring the matching information of the automobile Bluetooth module 4, calling the matching data in the mobile terminal 2 and judging whether the two addresses are consistent.
The establishing module 8 controls the mobile Bluetooth module 3 to establish Bluetooth connection with the automobile Bluetooth module 4 according to the request instruction. The protection module 9 is configured to detect a rotation direction of a wheel of the vehicle to output a rotation detection signal, the rotation detection signal being positive data when the vehicle travels forward, and the rotation detection signal being negative data when the vehicle backs up.
The sensing module 10 is used for controlling the car bluetooth module 4 to be opened, the sensing module 10 is used for detecting the weight of a human body on a car seat and outputting a weight detection signal, and the sensing module 10 is preferentially arranged under the car seat and can also be arranged on a backrest of the car.
The weight judging module 11 is connected to the sensing module 10, and the weight judging module 11 mainly judges the weight detecting signal provided by the sensing module 10, so as to reduce the weight detecting signal generated by the accumulation of the external articles.
The power failure detection module 12 is connected to the car terminal 1 and is configured to detect whether the car terminal 1 is powered on, the microprocessor 13 is mainly configured to process data, store breakpoint information, store playing information of media and operation information of the car audio by a user, such as volume, sound effect, last playing state and the like of the user, the user can permanently memorize the information once operating, and the microprocessor can be a single chip microcomputer. The power isolation module can only be conducted in the forward direction, when power is cut off, current cannot flow reversely, and the power isolation module can be a direct-current voltage isolator. The filtering module 15 plays a role in stabilizing a power supply and storing electricity during normal work, and serves as a current source when power failure occurs, so that instant memory electric energy is provided for information processing of a subsequent device, and the filter can be a passive filter.
The humidity detection module 16 is disposed at a side close to the audio circuit board, the humidity detection module 16 is used for converting a humidity physical quantity into a humidity detection signal, the preheating module 17 is used for heating, and in the embodiment, a heating wire is preferred, and a semiconductor heating sheet can also be used.
The mobile terminal 2 is connected with the mobile Bluetooth module 3, the acquisition module 6, the equalizer module 18, the storage module 19 and the selection module 20. The mobile Bluetooth module 3 establishes Bluetooth connection with the automobile Bluetooth module 4, thereby realizing wireless data transmission.
The acquisition module 6 is used for acquiring the address information of the automobile Bluetooth module 4 and establishing the matching information connected with the automobile Bluetooth module 4 and uploading the matching information to the mobile terminal 2 for storage.
The equalizer module 18 adjusts the treble and bass of the sound, the storage module 19 is connected with the equalizer module 18 and used for storing the adjusted state information, and the selection module 20 is connected with the storage module 19 and used for selecting the mode corresponding to the adjusted treble and bass, so that manual adjustment is reduced.
As shown in fig. 2, a farthest distance signal corresponding to a farthest distance connected to bluetooth is preset in the vehicle terminal 1, and the distance determining module 5 outputs a distance detection signal by detecting a distance between the mobile terminal 2 and the vehicle terminal 1. When the distance detection signal is smaller than the farthest distance signal, activating the acquisition module 6; when the distance detection signal is not less than the farthest distance signal, the acquisition module 6 is not activated.
When the acquisition module 6 is activated, the acquisition module 6 can acquire the address information of the automobile Bluetooth module 4 and the matching information for establishing connection with the automobile Bluetooth module 4 and upload the address information to the mobile terminal 2 for storage, and when the address information of the automobile Bluetooth module 4 is inconsistent with the Bluetooth address information prestored in the mobile terminal 2, a request instruction is not sent; when the matching information acquired by the automobile Bluetooth module 4 is inconsistent with the matching data prestored in the mobile terminal 2, no request is sent;
when the address information of the automobile Bluetooth module 4 is consistent with the Bluetooth address information prestored in the mobile terminal 2 and the matching information acquired by the automobile Bluetooth module 4 is consistent with the matching data prestored in the mobile terminal 2, a request instruction entering the automobile Bluetooth module 4 is generated and uploaded to the automobile terminal 1.
When the establishing module 8 receives the request instruction, the automobile Bluetooth module 4 establishes Bluetooth connection with the mobile Bluetooth module 3; when the establishing module 8 does not receive the request instruction, the automobile Bluetooth module 4 and the mobile Bluetooth module 3 do not establish Bluetooth connection.
As shown in fig. 3, the protection module 9 outputs a rotation detection signal, a rotation reference signal is preset in the vehicle terminal 1, the rotation reference signal is a positive parameter when the vehicle moves forward, and when the rotation detection signal is smaller than the rotation reference signal, the sound is emitted by the sound box, that is, the sound box is played normally; when the rotation detection signal is not less than the rotation reference signal, the sound does not make a sound, namely the sound temporarily suspends playing, so that the driver is enabled to concentrate on backing the vehicle.
As shown in fig. 4, the sensing module 10 outputs a weight detection signal, a weight reference signal corresponding to the lowest weight is preset in the vehicle terminal 1, and when the weight detection signal is greater than the weight reference signal, the vehicle bluetooth module 4 is turned on; when the weight detection signal is not greater than the weight reference signal, the automobile bluetooth module 4 is turned off, and the weight judgment module 11 is turned on at this time.
When the weight judging module 11 is started, when the weight detection signal is greater than the weight reference signal when the weight judging module 11 is started, the automobile Bluetooth module 4 is not started; when the weight detection signal is not greater than the weight reference signal when the weight judgment module 11 is started, the automobile Bluetooth module 4 is not started.
As shown in fig. 5, the power supply mainly supplies power, the current enters the power failure detection module 12 after passing through the voltage isolation module 14 and the filtering module 15, whether the sound equipment is powered off is detected, if the sound equipment is not powered off, the sound equipment is not processed, if the sound equipment is powered off, the power failure detection module 12 sends a signal to the micro-processing module 13, and the micro-processing module 13 processes data and stores breakpoint information.
When the external power is cut off, the power failure detection module 12 detects that the power supply is lower than a threshold value specified by normal operation of the car audio, at this time, power failure is defined, and a signal is sent to the micro-processing module 13, because the voltage isolation module 14 can only be conducted in the forward direction, electricity stored in the filter capacitor in the filter module 15 cannot flow backwards, the filter capacitor in the filter module 15 discharges electricity to the micro-processing module 13, and the micro-processing module 13 performs rapid processing and storage on media information to be processed and played by data needing to be memorized so as to complete the memory characteristic. When the current is restored, the micro-processing module 13 automatically reads the data and plays it.
As shown in fig. 6, the humidity detection module 16 is configured to output a humidity detection signal, and the automobile terminal 1 is further preset with a humidity reference signal corresponding to the highest humidity. When the humidity detection signal is greater than the humidity reference signal, the preheating module 17 is started and starts heating; when the humidity detection signal is not greater than the humidity reference signal, the preheating module 17 is not activated and does not start heating. Only when the humidity detection signal is not greater than the humidity reference signal, the circuit board can be powered on to work.
As shown in fig. 7, the equalizer module 18 is configured to adjust a playing status of the audio and store the currently adjusted status in the storage module 19, and the selection module 20 may retrieve the previously adjusted status from the storage module 19, and when the audio is played, the selection module 20 may automatically retrieve and play the mode used by the equalizer module 18 last time.
As shown in fig. 8, the vehicle speed detection module 22 outputs a vehicle speed detection signal, the vehicle terminal 1 is preset with a volume increase database corresponding to the vehicle speed, the vehicle speed detection signal is automatically matched with the volume increase database, and the volume adjustment module 21 obtains the increased data and performs volume adjustment. The speed of the vehicle is proportional to the volume of the sound, and when the speed of the vehicle becomes faster, the volume of the vehicle is increased, and the increased critical value and the increased volume of the vehicle at each time are adjusted according to the scale of the sound box in the sound box, which is not described herein again.
As shown in fig. 9, the outdoor sound reference signal corresponding to the lowest noise is preset in the car terminal 1, and the outdoor sound detection module 23 outputs the outdoor sound detection signal. When the outdoor sound detection signal is greater than the outdoor sound reference signal, the noise reduction module 24 is started to reduce noise; when the outdoor sound detection signal is not greater than the outdoor sound reference signal, the noise reduction module 24 is not turned on, and noise reduction is not performed.
And the noise reduction intensity of the noise reduction module 24 is enhanced along with the increase of the outdoor sound signal, and the noise reduction module 24 generates a reverse sound wave equal to the external noise to neutralize the noise, thereby achieving the noise reduction effect, which belongs to the common general knowledge of the skilled person and is not described herein again.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (1)
1. The utility model provides an intelligence car hi-fi stereo set, includes automotive terminal (1), mobile terminal (2), characterized by: further comprising:
the mobile Bluetooth module (3) is arranged on the mobile terminal (2) and is connected with the mobile terminal (2);
the automobile Bluetooth module (4) is arranged on the automobile terminal (1) and is connected with the automobile terminal (1);
the distance judgment module (5) is connected with the automobile terminal (1) and is used for detecting the distance from the mobile Bluetooth module (3) to the automobile Bluetooth module (4) and outputting a distance detection signal;
the acquisition module (6) is connected with the mobile terminal (2), acquires the address information of the automobile Bluetooth module (4), establishes the matching information connected with the automobile Bluetooth module (4), and uploads the matching information to the mobile terminal (2) for storage;
the processing module (7) is connected with the automobile terminal (1) to acquire the address information of the automobile Bluetooth module (4), call the Bluetooth address in the mobile terminal (2) and judge whether the two addresses are consistent, acquire the matching information of the automobile Bluetooth module (4), call the matching data in the mobile terminal (2) and judge whether the two addresses are consistent;
the establishing module (8) is connected with the automobile terminal (1) and controls the mobile Bluetooth module (3) to establish Bluetooth connection with the automobile Bluetooth module (4) according to the request instruction;
a farthest distance signal corresponding to the farthest distance connected with the Bluetooth is preset in the automobile terminal (1), and when the distance detection signal is smaller than the farthest distance signal, the mobile terminal (2) acquires and stores the address information and the matching information of the automobile Bluetooth module (4);
when the address information of the automobile Bluetooth module (4) is consistent with the Bluetooth address information prestored in the mobile terminal (2) and the matching information acquired by the automobile Bluetooth module (4) is consistent with the matching data prestored in the mobile terminal (2), a request instruction for entering the automobile Bluetooth module (4) is generated and uploaded to the automobile terminal (1); otherwise, no request instruction is sent;
when the establishing module (8) receives the request instruction, establishing Bluetooth connection; otherwise, no Bluetooth connection is established;
the automobile Bluetooth module is characterized by further comprising an induction module (10) which is connected with the automobile terminal (1) and is used for controlling the automobile Bluetooth module (4) to be started;
the sensing module (10) is used for detecting the weight of a human body on an automobile seat and outputting a weight detection signal, and a weight reference signal corresponding to the lowest weight is preset in the automobile terminal (1);
when the weight detection signal is greater than the weight reference signal, the automobile Bluetooth module (4) is started; otherwise, the starting is not carried out;
also comprises a weight judging module (11) connected with the sensing module (10),
when the weight detection signal is not greater than the weight reference signal, the weight judgment module (11) is started; otherwise, not starting;
when the weight detection signal is greater than the weight reference signal when the weight judgment module (11) is started, the automobile Bluetooth module (4) is not started;
the vehicle speed detection system is characterized by also comprising a volume adjusting module (21) connected with the vehicle terminal (1) and a vehicle speed detection module (22) used for detecting the current vehicle speed and outputting a vehicle speed detection signal;
the automobile terminal (1) is preset with a volume increasing database corresponding to the automobile speed, and the automobile speed and the volume are set in direct proportion;
the vehicle speed detection module (22) outputs a vehicle speed detection signal and matches the boosted data from the volume boost database,
the volume adjusting module (21) acquires the lifted data and adjusts the volume;
the system also comprises an outdoor sound detection module (23) which is connected with the automobile terminal (1) and is used for detecting the sound outside the automobile and outputting an outdoor sound detection signal, and a noise reduction module (24) for reducing noise;
an outdoor sound reference signal corresponding to the lowest noise is preset in the automobile terminal (1), and when the outdoor sound detection signal is greater than the outdoor sound reference signal, the noise reduction module (24) is started to realize noise reduction;
the noise reduction intensity of the noise reduction module (24) is enhanced along with the increase of the outdoor sound signal;
the automobile wheel rotation detection device is characterized by further comprising a protection module (9) which is connected with the automobile terminal (1) and used for detecting the rotation direction of wheels of an automobile in a module mode so as to output rotation detection signals;
a rotation reference signal is preset in the automobile terminal (1), and when the rotation detection signal is smaller than the rotation reference signal, the sound box does not make a sound; otherwise, the sound equipment makes sound;
further comprising:
the power failure detection module (12) is connected with the automobile terminal (1) and is used for judging whether the sound equipment is powered off or not;
the micro-processing module (13) is connected with the automobile terminal (1) and is used for storing breakpoint information, media playing information and user operation information;
when the power failure detection module (12) detects the power failure of the sound equipment, the micro-processing module (13) stores the data, and when the sound equipment is powered on for the first time after the power failure, the data is called from the micro-processing module (13) and the recovery of the data of the sound equipment is completed;
further comprising:
the voltage isolation module (14) is connected with the automobile terminal (1) and is used for forward conduction of voltage;
the filtering module (15) is connected with the automobile terminal (1) and is used for stabilizing a power supply and storing energy;
when the sound equipment is powered off, the current cannot flow reversely through the voltage isolation module (14), and the filtering module (15) provides electric energy to realize the storage of sound information by the micro-processing module (13);
the circuit board preheating device is characterized by further comprising a humidity detection module (16) connected with the automobile terminal (1) and used for outputting a humidity detection signal, and a preheating module (17) used for preheating the circuit board, wherein a humidity reference signal corresponding to the highest humidity is preset in the automobile terminal (1);
when the humidity detection signal is greater than the humidity reference signal, the preheating module (17) preheats the circuit board until the humidity detection signal is less than the humidity reference signal, the preheating module (17) stops preheating, and the circuit board is electrified to work;
the system also comprises an equalizer module (18) which is connected with the mobile terminal (2) and is used for adjusting the sound, a storage module (19) which is connected with the equalizer module (18) and is used for storing the adjusted state, and a selection module (20) which is connected with the storage module (19) and is used for selecting the corresponding mode;
when the sound equipment is played, the selection module (20) preferentially calls and plays the mode used by the equalizer module (18) last time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810807604.5A CN108966180B (en) | 2018-07-21 | 2018-07-21 | Intelligent automobile high-fidelity sound equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810807604.5A CN108966180B (en) | 2018-07-21 | 2018-07-21 | Intelligent automobile high-fidelity sound equipment |
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| CN108966180A CN108966180A (en) | 2018-12-07 |
| CN108966180B true CN108966180B (en) | 2022-08-05 |
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| CN201810807604.5A Active CN108966180B (en) | 2018-07-21 | 2018-07-21 | Intelligent automobile high-fidelity sound equipment |
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