CN114422889B - Self-adaptive volume adjusting device and method for vehicle-mounted sound equipment - Google Patents
Self-adaptive volume adjusting device and method for vehicle-mounted sound equipment Download PDFInfo
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- CN114422889B CN114422889B CN202210245580.5A CN202210245580A CN114422889B CN 114422889 B CN114422889 B CN 114422889B CN 202210245580 A CN202210245580 A CN 202210245580A CN 114422889 B CN114422889 B CN 114422889B
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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
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
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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
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
- H04R2430/01—Aspects of volume control, not necessarily automatic, in sound systems
Abstract
The invention relates to the technical field of vehicle-mounted sound equipment, and discloses a self-adaptive volume adjusting device and an adjusting method of the vehicle-mounted sound equipment, wherein the self-adaptive volume adjusting device comprises a sound equipment mechanism, an inner sound sensor is arranged on one side of the sound equipment mechanism, an outer sound sensor is arranged on the other side of the sound equipment mechanism, a control module is fixedly connected to one side of the top end of the sound equipment mechanism, and a lifting mechanism is fixedly connected to the other side of the top end of the sound equipment mechanism; the intelligent automobile sound control system is provided with the sound mechanism, the inner sound sensor, the outer sound sensor and the control module, so that the sound volume of the sound mechanism can be intelligently adjusted, when the outer sound sensor detects that the external environment is noisy, the sound of the sound mechanism is automatically increased, the sound emitted by the sound mechanism can be clearly heard by people in an automobile, when the inner sound sensor detects that the people in the automobile chats, the sound of the sound mechanism is automatically reduced, the people in the automobile can conveniently communicate and exchange, and the intelligent automobile sound control system is more intelligent and more convenient to use.
Description
Technical Field
The invention relates to the technical field of vehicle-mounted sound, in particular to a vehicle-mounted sound self-adaptive volume adjusting device and method.
Background
The vehicle-mounted sound equipment is a sound system installed in a vehicle, the system can be called as sound equipment, the most basic condition is that the sound equipment has a function of playing back sound, the interference prevention technology is that a choke coil is used for filtering interference of a power line between a power supply and the sound equipment respectively so as to reduce external noise interference, and the vehicle-mounted sound equipment has an essential function of playing music and prompting navigation.
Present vehicle audio when using, when the volume is good selected, will keep same volume to carry out the music broadcast, and when the sound of car outer is comparatively noisy, the circumstances that the broadcast content can appear not to hear, and when the people in the car speaks, when the sound that vehicle audio broadcast is great, can influence people's interchange flow in the car again, stereo set in the car is when using, the dust can be avoided falling into the dust screen, can also influence the sound of stereo set when serious, only can only drive the car to the place of maintenance and carry out the dust clearance now, the expense is higher, and when stereo set sound was adjusted, can appear sound pitch one check great and the less circumstances of lower check.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a vehicle-mounted sound self-adaptive volume adjusting device and an adjusting method, and the technical problem to be solved by the invention is as follows: the sound of the vehicle-mounted sound box can not be automatically adjusted, and the dust screen of the vehicle-mounted sound box easily blocks dust.
The utility model provides a vehicle-mounted sound self-adaptation volume adjustment device and regulation method, includes the stereo set mechanism, one side of stereo set mechanism is equipped with interior sound sensor, the opposite side of stereo set mechanism is equipped with outer sound sensor, one side fixedly connected with control module on stereo set mechanism top, the opposite side fixedly connected with elevating system on stereo set mechanism top, the middle part fixedly connected with chucking mechanism on stereo set mechanism top, elevating system's top fixedly connected with mechanism that admits air, the stereo set mechanism includes the audio amplifier shell, the mounting groove has been seted up to the side of audio amplifier shell, fixedly connected with dust screen in the mounting groove of audio amplifier shell, the inside fixedly connected with speaker of audio amplifier shell.
Further, interior sound sensor keeps operating condition with outer sound sensor simultaneously, interior sound sensor's priority is higher than outer sound sensor, interior sound sensor during operation, interior sound sensor detects the interval of speaking and is less than when five seconds, and automatic turn down speaker sound, when outer sound sensor detected external sound and surpassed eighty decibels, the sound of speaker was automatically turned up, interior sound sensor adjusts with outer sound sensor's detection numerical value accessible control module, interior sound sensor's priority is higher than outer sound sensor, can avoid when external sound is great, when people in the car are exchanging, the dust screen was automatically turned up sound and is caused the influence to people's exchange, more has intelligent.
Furthermore, a sound insulation barrel is movably connected in the mounting groove of the sound box shell, the side surface of the sound insulation barrel is movably connected with the side surface of the dust screen, the bottom end of the inner side of the sound insulation barrel is movably connected with an air vent, the two sides of the bottom end in the sound insulation barrel are fixedly connected with limit columns, the inner side of the air vent is provided with a threaded hole, the threaded hole of the air vent is internally threaded with a threaded rod, the bottom end of the sound insulation barrel is provided with a clearance hole, the threaded rod is positioned in the clearance hole of the sound insulation barrel and is movably connected with the sound insulation barrel, the top end of the threaded rod is fixedly connected with a moving motor, the top end of the moving motor is fixedly connected with a motor shell, the bottom end of the moving motor is fixedly connected with a mounting plate, the bottom end of the mounting plate is fixedly connected with the top end of the sound box shell, the two sides of the top end of the air vent is provided with clearance holes, the limit columns are positioned in the clearance holes of the air vent block, the diameter ratio of spacing post is ventilated the piece and is kept away a millimeter more than the diameter in hole, spacing post is the rubber material to when making the diameter of spacing post be greater than the diameter that the piece kept away a hole of ventilating, spacing post self can be compressed, can drive sound insulation section of thick bamboo when the piece of ventilating reciprocates this moment and reciprocate, and the condition that mutual displacement can not appear.
Further, the top fixedly connected with intake pipe of piece of ventilating, the intake pipe can stretch out and draw back, just when the piece of ventilating is located the minimum, the intake pipe is in tensile state, the inboard that the piece of ventilating is close to the dust screen has seted up the ventilation groove, the side that the piece of ventilating is close to the dust screen has seted up the ventilation hole, the side that a sound insulation section of thick bamboo is close to the dust screen has seted up the ventilation hole, the intake pipe is scalable material, therefore no matter how the piece of ventilating removes, the intake pipe all can be steadily to supplying air in the piece of ventilating, guarantees going on smoothly of air supply work.
Further, the top fixedly connected with electro-magnet of audio amplifier shell, the side of electro-magnet is equipped with a spacing section of thick bamboo, the bottom of a spacing section of thick bamboo and the top fixed connection of audio amplifier shell, the inside swing joint of a spacing section of thick bamboo has the permanent magnet, the side fixedly connected with chucking piece of electro-magnet is kept away from to the permanent magnet, the top fixed connection of spacing post has a spacing head, when the permanent magnet contacts with the electro-magnet, a millimeter's distance is left with the side of a sound insulation section of thick bamboo in the side of chucking piece, the chucking piece is hard material, and consequently, when the chucking piece restriction sound insulation section of thick bamboo removes, can not damage, and chucking piece and sound insulation section of thick bamboo contact, the power when the sound insulation section of thick bamboo removes can not cause the damage to the permanent magnet.
Furthermore, the top end of the air inlet pipe is fixedly connected with a conical cylinder, the side surface of the conical cylinder is fixedly connected with an installation cylinder, the side surface of the mounting cylinder is fixedly connected with the vehicle body, the top end of the mounting cylinder is fixedly connected with a motor plate, the top end of the motor plate is fixedly connected with a rotating motor, the bottom end of the rotating motor is fixedly connected with a rotating shaft, the bottom end of the rotating shaft is fixedly connected with a first gear, the side surface of the first gear is movably engaged with a second gear, the inner side of the second gear is fixedly connected with a fan shaft, the side surface of the fan shaft is fixedly connected with a rotating blade, the side surface of the rotating blade is provided with a vent hole, the conical cylinder is conical, the side surface of the conical cylinder with larger area is connected with the mounting cylinder, therefore, the wind blown out from the mounting cylinder can be accelerated when passing through the conical cylinder, and the cleaning effect of the dust screen is improved.
Further, the both sides swing joint of fan axle has the stabilizer plate, the top of stabilizer plate and the inside fixed connection of an installation section of thick bamboo, the spacing groove has been seted up at the inboard middle part of an installation section of thick bamboo, the spacing inslot swing joint of an installation section of thick bamboo has the spacing ring, the inboard and the rotating vane's of spacing ring side fixed connection, the side fixedly connected with filter of a toper section of thick bamboo is kept away from to an installation section of thick bamboo, the both sides of fan axle all are connected through the stabilizer plate to can guarantee that the fan axle is difficult for rocking when rotating, guarantee the stability of its during operation.
The invention has the technical effects and advantages that:
1. according to the intelligent automobile interior sound control system, the sound mechanism, the inner sound sensor, the outer sound sensor and the control module are arranged, so that the sound volume of the sound mechanism can be intelligently adjusted, when the outer sound sensor detects that the external environment is noisy, the sound of the sound mechanism is automatically increased, people in an automobile can clearly hear the sound emitted by the sound mechanism, when the inner sound sensor detects that the people in the automobile chats, the sound of the sound mechanism is automatically reduced, the people in the automobile can conveniently communicate and exchange, and the intelligent automobile interior sound control system is more intelligent and more convenient to use;
2. according to the invention, the vehicle-mounted sound box is favorably cleaned by the arrangement of the rotating blade, the air inlet pipe, the ventilation block and the threaded rod, when the vehicle-mounted sound box has more dust and the sound of the loudspeaker is influenced, the rotating blade rotates, air is sent into the ventilation block through the air inlet pipe by the rotation of the rotating blade and then sent into the dustproof net through the small hole in the side surface of the ventilation block, so that the dust in the dustproof net is blown out, and the threaded rod can drive the ventilation block to move, so that the ventilation block can clean different positions, the dustproof net is ensured to be cleaned up, and the device can be prevented from being damaged by blowing air from the inside to the outside by adopting a mode of blowing air from the inside;
3. The sound insulation device is provided with the threaded rod, the sound insulation barrel, the limiting column and the ventilation block, so that the sound of the loudspeaker can be accurately adjusted, when the played sound is smaller in downward adjustment but larger in unadjusted sound, the moving motor is started, the threaded rod is driven to rotate by the moving motor, the threaded rod drives the ventilation block to move up and down, the ventilation block moves up and down, the sound insulation barrel is driven to move up and down by the limiting column, the side face of the sound box shell can be plugged when the sound insulation barrel moves up and down, and according to the gap between the sound insulation barrel and the sound box shell, the sound transmitted from the loudspeaker is reduced, and the sound can be accurately adjusted.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an exploded view of the acoustic mechanism of the present invention.
Fig. 3 is an internal schematic view of the lifting mechanism of the present invention.
Fig. 4 is a schematic view showing the internal structure of the soundproof tube according to the present invention.
Figure 5 is an exploded view of the chucking mechanism of the present invention.
Fig. 6 is an internal schematic view of the air intake mechanism of the present invention.
FIG. 7 is a schematic view of a rotor blade according to the present invention.
The reference signs are: 1. a sound mechanism; 101. a sound box housing; 102. a speaker; 103. a dust screen; 2. an internal sound sensor; 3. an external sound sensor; 4. a control module; 5. a lifting mechanism; 501. mounting a plate; 502. a threaded rod; 503. a sound-insulating tube; 504. a moving motor; 505. a motor housing; 506. a limiting column; 507. a limiting head; 508. a ventilation block; 6. an air intake mechanism; 601. an air inlet pipe; 602. a tapered barrel; 603. mounting the cylinder; 604. a motor plate; 605. rotating the motor; 606. a rotating shaft; 607. a first gear; 608. a second gear; 609. a fan shaft; 610. a rotor blade; 611. a stabilizing plate; 612. a limiting ring; 613. a filter plate; 7. a chucking mechanism; 701. an electromagnet; 702. a limiting cylinder; 703. a permanent magnet; 704. and a clamping block.
Detailed Description
The technical solutions of the present invention will be clearly and completely described below with reference to the drawings of the present invention, and the configurations of the respective configurations described in the following embodiments are merely examples, and the in-vehicle audio adaptive volume adjusting apparatus and the adjusting method according to the present invention are not limited to the configurations described in the following embodiments, and all other embodiments obtained by a person having ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.
The invention provides a vehicle-mounted sound self-adaptive volume adjusting device and an adjusting method, and the device comprises a sound mechanism 1, wherein one side of the sound mechanism 1 is provided with an inner sound sensor 2, the other side of the sound mechanism 1 is provided with an outer sound sensor 3, one side of the top end of the sound mechanism 1 is fixedly connected with a control module 4, the other side of the top end of the sound mechanism 1 is fixedly connected with a lifting mechanism 5, the middle part of the top end of the sound mechanism 1 is fixedly connected with a clamping mechanism 7, the top end of the lifting mechanism 5 is fixedly connected with an air inlet mechanism 6, the sound mechanism 1 comprises a sound box shell 101, the side surface of the sound box shell 101 is provided with a mounting groove, a dust screen 103 is fixedly connected in the mounting groove of the sound box shell 101, and a loudspeaker 102 is fixedly connected in the sound box shell 101.
Referring to fig. 1, the inner sound sensor 2 and the outer sound sensor 3 are simultaneously maintained in an operating state, the priority of the inner sound sensor 2 is higher than that of the outer sound sensor 3, when the inner sound sensor 2 operates, and the inner sound sensor 2 detects that the speaking interval is less than five seconds, the sound of the loudspeaker 102 is automatically turned down, when the outer sound sensor 3 detects that the external sound exceeds eighty decibels, the sound of the loudspeaker 102 is automatically turned up, the detection values of the inner sound sensor 2 and the outer sound sensor 3 can be adjusted through the control module 4, the sound inside and outside the vehicle is detected in real time through the inner sound sensor 2 and the outer sound sensor 3, so that the control module 4 can collect the sound information inside and outside the vehicle, the sound size of the loudspeaker 102 is adaptively adjusted, and a better environment is provided for a passenger in the vehicle.
Referring to fig. 2 and 3, a sound insulation barrel 503 is movably connected in the mounting groove of the sound box housing 101, the side of the sound insulation barrel 503 is movably connected with the side of the dust screen 103, the bottom end of the inner side of the sound insulation barrel 503 is movably connected with an air vent block 508, two sides of the bottom end of the inner side of the sound insulation barrel 503 are fixedly connected with limit posts 506, the inner side of the air vent block 508 is provided with a threaded hole, the threaded hole of the air vent block 508 is connected with a threaded rod 502 in a threaded manner, the bottom end of the sound insulation barrel 503 is provided with a clearance hole, the threaded rod 502 is positioned in the clearance hole of the sound insulation barrel 503 and is movably connected with the sound insulation barrel 503, the top end of the threaded rod 502 is fixedly connected with a moving motor 504, the top end of the moving motor 504 is fixedly connected with a motor housing 505, the bottom end of the moving motor 504 is fixedly connected with a mounting plate 501, the bottom end of the mounting plate 501 is fixedly connected with the top end of the sound box housing 101, two sides of the top end of the air vent block 508 are provided with clearance holes, the limit posts 506 are positioned in the clearance hole of the air vent block 508, the diameter of the limiting column 506 is one millimeter larger than that of the clearance hole of the ventilation block 508, the limiting column 506 is made of rubber, the ventilation block 508 is driven to move up and down through rotation of the threaded rod 502, the ventilation block 508 moves up and down to drive the sound insulation barrel 503 to move up and down, the space inside the loudspeaker 102 can be adjusted when the sound insulation barrel 503 moves up and down, part of sound of the loudspeaker 102 can be blocked by the sound insulation barrel 503, the size of the sound transmitted by the loudspeaker 102 can be influenced, and therefore the sound size of the loudspeaker 102 can be accurately and slightly adjusted.
Referring to fig. 3 and 4, an air inlet pipe 601 is fixedly connected to the top end of the air inlet block 508, the air inlet pipe 601 can stretch and retract, and when the air inlet block 508 is located at the lowest point, the air inlet pipe 601 is in a stretching state, a ventilation groove is formed in the inner side, close to the dust screen 103, of the air inlet block 508, a ventilation hole is formed in the side, close to the dust screen 103, of the sound insulation cylinder 503, and ventilation holes are formed in the side, close to the air inlet block 508 and the side, close to the sound insulation cylinder 503, of the air inlet pipe 601, therefore, air sent from the air inlet pipe 601 can be sent into the dust screen 103 through the air inlet block 508 and the sound insulation cylinder 503, cleaning of the dust screen 103 is completed, air blowing from the inside to the outside is achieved, and damage to internal equipment can be prevented.
Referring to fig. 5, an electromagnet 701 is fixedly connected to the top end of the sound box housing 101, a limiting cylinder 702 is arranged on the side face of the electromagnet 701, the bottom end of the limiting cylinder 702 is fixedly connected to the top end of the sound box housing 101, a permanent magnet 703 is movably connected to the inside of the limiting cylinder 702, a clamping block 704 is fixedly connected to the side face of the permanent magnet 703 far away from the electromagnet 701, a limiting head 507 is fixedly connected to the top end of the limiting column 506, when the permanent magnet 703 is in contact with the electromagnet 701, a millimeter distance is reserved between the side face of the clamping block 704 and the side face of the sound insulation cylinder 503, when the electromagnet 701 is energized, the permanent magnet 701 ejects the permanent magnet 703, the permanent magnet 703 drives the clamping block 704 to move to clamp the sound insulation cylinder 503, and when the ventilation block 508 moves up and down, the sound insulation cylinder 503 cannot move along with the ventilation block 508, and the limiting head 507 can limit the upward movement position of the ventilation block 508.
Referring to fig. 6 and 7, a conical cylinder 602 is fixedly connected to the top end of an air inlet pipe 601, a mounting cylinder 603 is fixedly connected to the side surface of the conical cylinder 602, the side surface of the mounting cylinder 603 should be fixedly connected to a vehicle body, a motor plate 604 is fixedly connected to the top end of the mounting cylinder 603, a rotating motor 605 is fixedly connected to the top end of the motor plate 604, a rotating shaft 606 is fixedly connected to the bottom end of the rotating motor 605, a first gear 607 is fixedly connected to the bottom end of the rotating shaft 606, a second gear 608 is movably engaged with the side surface of the first gear 607, a fan shaft 609 is fixedly connected to the inner side of the second gear 608, a rotating blade 610 is fixedly connected to the side surface of the fan shaft 609, a ventilation hole is formed in the side surface of the rotating blade 610, the rotating shaft 606 is driven to rotate by the rotating motor 605, the rotating blade 610 is driven to rotate by the second gear 608 when the rotating shaft 606 rotates, and wind generated by the rotation of the rotating blade 610 enters the ventilating block 508 through the conical cylinder 602 and the air inlet pipe 601 for cleaning.
Referring to fig. 6 and 7, two sides of the fan shaft 609 are movably connected with stabilizing plates 611, the top ends of the stabilizing plates 611 are fixedly connected with the inside of the mounting cylinder 603, a limiting groove is formed in the middle of the inner side of the mounting cylinder 603, a limiting ring 612 is movably connected in the limiting groove of the mounting cylinder 603, the inner side of the limiting ring 612 is fixedly connected with the side surface of the rotating blade 610, the mounting cylinder 603 is far away from the side surface of the conical cylinder 602 and is fixedly connected with a filter plate 613, the filter plate 613 filters outside air, it is ensured that clean air is carried out cleanly, and the rotating blade 610 moves relative to the mounting cylinder 603 through the limiting ring 612, so that the rotating blade is limited and rotates more stably.
A self-adaptive volume adjustment method for a vehicle-mounted sound comprises the following steps:
s1, when the equipment is in a working state, the outer sound sensor 3 detects the sound outside the vehicle, the inner sound sensor 2 detects the sound inside the vehicle, when the sound outside the vehicle is large and noisy, the outer sound sensor 3 controls the sound played by the loudspeaker 102 to be increased through the control module 4 after receiving the sound signal, so that personnel inside the vehicle can hear clearly, when the inner sound sensor 2 detects that the sound inside the vehicle is large and the sound keeps a continuous state, the control module 4 controls the played sound of the loudspeaker 102 to be reduced, and the personnel inside the vehicle can clearly communicate;
s2, when the dust screen 103 needs to be cleaned, the rotating motor 605 is started to drive the rotating shaft 606 to rotate, the rotating shaft 606 rotates to drive the second gear 608 to rotate through the first gear 607, the fan shaft 609 rotates to drive the limiting ring 612 to rotate through the fan shaft 609, when the limiting ring 612 rotates, the air filtered through the filter plate 613 is blown into the air inlet pipe 601, at the moment, the electromagnet 701 is electrified to enable the limiting cylinder 702 and the permanent magnet 703 to move, the permanent magnet 703 is positioned above the sound insulation cylinder 503 to enable the sound insulation cylinder 503 to be clamped tightly, the moving motor 504 is started to drive the threaded rod 502 to rotate, the threaded rod 502 rotates to drive the air ventilation block 508 to move up and down, when the air ventilation block 508 moves up and down, the air entering the air ventilation block 508 from the air inlet pipe 601 is blown onto the dust screen 103, and therefore dust in the dust screen 103 is blown down;
S3, when the sound played by the dust screen 103 is large and the downward adjustment sound is small, the electromagnet 701 is electrified reversely, the electromagnet 701 attracts the limiting cylinder 702 and the permanent magnet 703, at the moment, the permanent magnet 703 is not in contact with the sound insulation cylinder 503, the moving motor 504 is started to drive the ventilation block 508 to move up and down through the threaded rod 502, the ventilation block 508 moves up and down through the limiting column 506 in close contact with the ventilation block to drive the sound insulation cylinder 503 to move up and down, and therefore the size of the gap between the loudspeaker 102 and the sound insulation cylinder 503 can be adjusted, and the sound emitted by the loudspeaker 102 can be adjusted accurately.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
And finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (3)
1. The utility model provides a vehicle audio self-adaptation volume adjustment device, includes stereo set mechanism (1), its characterized in that: an inner sound sensor (2) is arranged on one side of the sound mechanism (1), an outer sound sensor (3) is arranged on the other side of the sound mechanism (1), a control module (4) is fixedly connected to one side of the top end of the sound mechanism (1), an elevating mechanism (5) is fixedly connected to the other side of the top end of the sound mechanism (1), a clamping mechanism (7) is fixedly connected to the middle of the top end of the sound mechanism (1), an air inlet mechanism (6) is fixedly connected to the top end of the elevating mechanism (5), the sound mechanism (1) comprises a sound box shell (101), a mounting groove is formed in the side surface of the sound box shell (101), a dust screen (103) is fixedly connected into the mounting groove of the sound box shell (101), and a loudspeaker (102) is fixedly connected into the sound box shell (101);
A sound insulation barrel (503) is movably connected in a mounting groove of the sound box shell (101), the side face of the sound insulation barrel (503) is movably connected with the side face of the dust screen (103), the bottom end of the inner side of the sound insulation barrel (503) is movably connected with an air vent block (508), two sides of the bottom end of the inner part of the sound insulation barrel (503) are fixedly connected with limit posts (506), the inner side of the air vent block (508) is provided with a threaded hole, a threaded rod (502) is connected in the threaded hole of the air vent block (508), a position avoiding hole is formed in the bottom end of the sound insulation barrel (503), the threaded rod (502) is positioned in the position avoiding hole of the sound insulation barrel (503) and is movably connected with the sound insulation barrel (503), the top end of the threaded rod (502) is fixedly connected with a mobile motor (504), the top end of the mobile motor (504) is fixedly connected with a motor shell (505), and the bottom end of the mobile motor (504) is fixedly connected with a mounting plate (501), the bottom end of the mounting plate (501) is fixedly connected with the top end of the sound box shell (101), two sides of the top end of the ventilation block (508) are provided with avoiding holes, the limiting column (506) is located in the avoiding hole of the ventilation block (508), the diameter of the limiting column (506) is one millimeter larger than that of the avoiding hole of the ventilation block (508), and the limiting column (506) is made of rubber;
The top end of the ventilation block (508) is fixedly connected with an air inlet pipe (601), the air inlet pipe (601) can stretch, when the ventilation block (508) is located at the lowest point, the air inlet pipe (601) is in a stretching state, a ventilation groove is formed in the inner side, close to the dust screen (103), of the ventilation block (508), a ventilation hole is formed in the side face, close to the dust screen (103), of the ventilation block (508), and a ventilation hole is formed in the side face, close to the dust screen (103), of the sound insulation barrel (503);
the sound box comprises a sound box shell (101), and is characterized in that an electromagnet (701) is fixedly connected to the top end of the sound box shell (101), a limiting cylinder (702) is arranged on the side face of the electromagnet (701), the bottom end of the limiting cylinder (702) is fixedly connected with the top end of the sound box shell (101), a permanent magnet (703) is movably connected to the inside of the limiting cylinder (702), a clamping block (704) is fixedly connected to the side face, away from the electromagnet (701), of the permanent magnet (703), a limiting head (507) is fixedly connected to the top end of a limiting column (506), and when the permanent magnet (703) is in contact with the electromagnet (701), a distance of one millimeter is reserved between the side face of the clamping block (704) and the side face of a sound insulation cylinder (503);
The air inlet pipe is characterized in that a conical barrel (602) is fixedly connected to the top end of the air inlet pipe (601), a mounting barrel (603) is fixedly connected to the side face of the conical barrel (602), the side face of the mounting barrel (603) is fixedly connected with a vehicle body, a motor plate (604) is fixedly connected to the top end of the mounting barrel (603), a rotating motor (605) is fixedly connected to the top end of the motor plate (604), a rotating shaft (606) is fixedly connected to the bottom end of the rotating motor (605), a first gear (607) is fixedly connected to the bottom end of the rotating shaft (606), a second gear (608) is movably meshed with the side face of the first gear (607), a fan shaft (609) is fixedly connected to the inner side of the second gear (608), rotating blades (610) are fixedly connected to the side face of the fan shaft (609), and ventilation holes are formed in the side faces of the rotating blades (610);
both sides swing joint of fan shaft (609) has stabilising plate (611), the top of stabilising plate (611) and the inside fixed connection of installation tube (603), the spacing groove has been seted up at the inboard middle part of installation tube (603), the spacing inslot swing joint of installation tube (603) has spacing ring (612), the inboard side fixed connection with rotating blade (610) of spacing ring (612), the side fixedly connected with filter (613) of a toper section of thick bamboo (602) are kept away from to installation tube (603).
2. The adaptive volume adjusting device for the car audio according to claim 1, wherein: interior sound sensor (2) and outer sound sensor (3) keep operating condition simultaneously, the priority of interior sound sensor (2) is higher than outer sound sensor (3), interior sound sensor (2) during operation, interior sound sensor (2) detect the interval of speaking and be less than when five seconds, and automatic with speaker (102) sound turn down, when outer sound sensor (3) detected external sound and exceeded eighty decibels, the sound of speaker (102) was increaseed automatically, the detection numerical value of interior sound sensor (2) and outer sound sensor (3) is adjusted through control module (4).
3. An adaptive volume adjusting method for a car audio, which is applied to operate the adaptive volume adjusting device for the car audio according to claim 1 or 2, and is characterized by comprising the following steps:
s1, when the equipment is in a working state, the outer sound sensor (3) detects sounds outside the vehicle, the inner sound sensor (2) detects sounds inside the vehicle, when the sounds outside the vehicle exceed eighty decibels, the outer sound sensor (3) controls the sound played by the loudspeaker (102) to be increased through the control module (4) after receiving sound signals, and therefore it is guaranteed that people inside the vehicle can hear clearly, when the inner sound sensor (2) detects that the speaking interval of the sounds inside the vehicle is lower than five seconds and the sounds are kept in a continuous state, the playing sound of the loudspeaker (102) is controlled to be reduced through the control module (4), and people inside the vehicle can clearly communicate;
S2, when the dust screen (103) needs to be cleaned, the rotating motor (605) is started to drive the rotating shaft (606) to rotate, the rotating shaft (606) rotates to drive the second gear (608) to rotate through the first gear (607), the fan shaft (609) rotates to drive the limiting ring (612) to rotate through the fan shaft (609), when the limiting ring (612) rotates, the wind filtered through the filter plate (613) is blown into the air inlet pipe (601), at the moment, the electromagnet (701) is electrified to enable the limiting cylinder (702) and the permanent magnet (703) to move, the permanent magnet (703) is positioned above the sound insulation cylinder (503) to enable the sound insulation cylinder (503) to be clamped, the moving motor (504) is started to drive the threaded rod (502) to rotate, the threaded rod (502) drives the ventilation block (508) to move up and down, and the ventilation block (508) moves up and down, the air entering the ventilation block (508) from the air inlet pipe (601) is blown to the dustproof net (103), so that dust in the dustproof net (103) is blown off;
s3, accurately adjusting the loudspeaker (102), attracting the spacing cylinder (702) and the permanent magnet (703) by the electromagnet (701), not contacting the sound insulation cylinder (503) at the moment, starting the moving motor (504), driving the ventilation block (508) to move up and down by the threaded rod (502) when the moving motor (504) is started, driving the sound insulation cylinder (503) to move up and down by the spacing column (506) which is in close contact with the ventilation block (508), adjusting the size of the gap between the loudspeaker (102) and the sound insulation cylinder (503), and accurately adjusting the sound emitted by the loudspeaker (102).
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