CN113382325A - Take bluetooth speaker of NFC communication - Google Patents

Take bluetooth speaker of NFC communication Download PDF

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Publication number
CN113382325A
CN113382325A CN202110488831.8A CN202110488831A CN113382325A CN 113382325 A CN113382325 A CN 113382325A CN 202110488831 A CN202110488831 A CN 202110488831A CN 113382325 A CN113382325 A CN 113382325A
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China
Prior art keywords
sound
loudspeaker
box
air bag
air
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Granted
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CN202110488831.8A
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Chinese (zh)
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CN113382325B (en
Inventor
李明洋
刘宇
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Yunma Intelligent Hainan Technology Co ltd
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Individual
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/02Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/028Casings; Cabinets ; Supports therefor; Mountings therein associated with devices performing functions other than acoustics, e.g. electric candles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/023Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
    • F16F15/0232Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means with at least one gas spring
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/12Sanitary or hygienic devices for mouthpieces or earpieces, e.g. for protecting against infection
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/02Details casings, cabinets or mounting therein for transducers covered by H04R1/02 but not provided for in any of its subgroups

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)

Abstract

The invention belongs to the technical field of sound boxes, and particularly relates to a Bluetooth sound box with NFC communication, which comprises a sound box and a group of sound expansion blocks; the center position in the sound box is fixedly connected with a data processing unit, and the sound box is of a square frame structure; each surface of the sound box is fixedly connected with a sound amplifying block, and the sound amplifying blocks are hollow rectangular pyramids; the interior of each sound amplifying block is communicated with the interior of the sound box; a loudspeaker is mounted on one side of each sound amplifying block and is electrically connected with the data processing unit; through the cooperation between sound amplifying block and the gasbag, slow down the vibrations of empting and bringing through the gasbag before the sound amplifying block contacts place the platform, prevent to damage the audio amplifier shell and produce even and damage the inside data processing unit of audio amplifier, lead to the unable broadcast sound of audio amplifier, cause loss of property, increase the shock attenuation nature of audio amplifier to increase the anti effect of falling of audio amplifier.

Description

Take bluetooth speaker of NFC communication
Technical Field
The invention belongs to the technical field of sound boxes, and particularly relates to a Bluetooth sound box with NFC communication.
Background
The Bluetooth sound box applies the Bluetooth technology to the traditional digital and multimedia sound box, so that a user can avoid annoying wiring stumbling and listen to music freely in various modes. Since the advent of the bluetooth speaker, the smart terminal has attracted wide attention of users such as mobile phone tablets along with the development of the smart terminal. Bluetooth technology makes the audio amplifier wireless become possible, and various known brands have been launched many bluetooth audio amplifiers of the figure eight, and the consumer spends about tens yuan to 3000 yuan of unequal price, just can let oneself possess the convenient bluetooth audio amplifier of super fashion.
A technical scheme of a patent about a bluetooth speaker with NFC communication also appears in the prior art, and for example, a chinese patent with application number CN201510799238 discloses a portable bluetooth speaker and a combined bluetooth speaker, which include a face shell and a base that is matched with the face shell to form an accommodating chamber; the base is provided with a Bluetooth chip, a touch switch connected with the Bluetooth chip and a magnetic control assembly for controlling the on-off of the touch switch; the combined Bluetooth sound box comprises two portable Bluetooth sound boxes which are combined into a whole, when the two portable Bluetooth sound boxes are combined into a whole, the magnetic control component controls the touch switch to be conducted, and through the arrangement of the magnetic control component, simultaneous playing is realized, and the sound playing effect is improved; however, the technical scheme has the defects that in occasions with more people, such as supermarkets, malls and shops, the sound box is likely to be knocked down and knocked down, and the shell of the sound box is damaged or even the data processing unit in the sound box is damaged; when placing for a long time or broadcast in the environment that the dust is many, the inside dust that gets into of audio amplifier, data processing unit have the static to adsorb the dust, lead to data processing unit to damage, lead to the unable broadcast sound of audio amplifier, cause loss of property.
In view of this, the present invention provides a bluetooth speaker with NFC communication, which solves the above problems.
Disclosure of Invention
In order to make up for the defects of the prior art and solve the problems that in occasions with more people, such as supermarkets, markets and shops, the loudspeaker box is likely to be knocked down and knocked down, the shell of the loudspeaker box is damaged, and even the data processing unit in the loudspeaker box is damaged, the invention provides the Bluetooth loudspeaker box with NFC communication.
The technical scheme adopted by the invention for solving the technical problems is as follows: the Bluetooth sound box with the NFC communication function comprises a sound box and a group of sound amplifying blocks; the center position in the sound box is fixedly connected with a data processing unit, and the sound box is of a square frame structure; each surface of the sound box is fixedly connected with a sound amplifying block, and the sound amplifying blocks are hollow rectangular pyramids; the interior of each sound amplifying block is communicated with the interior of the sound box; a loudspeaker is mounted on one side of each sound amplifying block and is electrically connected with the data processing unit; one end of the sound amplifying block, which is far away from the sound box, is fixedly connected with an air bag, and the interior of the air bag is communicated with the interior of the sound amplifying block; one side of the air bag is fixedly connected with a one-way valve, and the one-way valve on the air bag supplies air to the air bag; and air outlet holes are formed at the included angle between every two adjacent sound amplifying blocks.
When the loudspeaker box is used, the loudspeaker box is started, and plays sound, in the prior art, in occasions with more people, such as supermarkets, markets and shops, the loudspeaker box has the possibility of being knocked down and knocked down, the shell of the loudspeaker box is damaged, even the internal data processing unit of the loudspeaker box is damaged, so that the loudspeaker box cannot play sound, and property loss is caused; when the loudspeaker box is placed, each surface of the loudspeaker box is fixedly connected with the sound amplifying block, the sound amplifying blocks are hollow rectangular pyramids, the top end of the loudspeaker box, which is fixedly connected with the three surfaces, is fixed on the placing platform, and the three sound amplifying blocks form a triangular structure, so that the stability of the loudspeaker box is improved, and the possibility that the loudspeaker box is knocked down due to external force is reduced; when the sound box is knocked down by external force, the sound box topples and rolls, each surface of the sound box is supported on the placing platform through the sound amplifying block, through the matching between the sound amplifying block and the air bag, the vibration caused by toppling is relieved through the air bag before the sound amplifying block contacts the placing platform, the damage to the shell of the sound box and even the damage to a data processing unit inside the sound box are prevented, the sound box cannot play sound, property loss is caused, the vibration absorption performance of the sound box is improved, and the anti-falling effect of the sound box is improved; when the loudspeaker box falls off from the placing platform under the action of external force, the sound amplifying blocks are in contact with the ground, vibration caused by falling of the loudspeaker box from a high position is reduced through the shock absorption of the air bags, after the loudspeaker box falls on the ground, one or two sound amplifying blocks are not enough to support the loudspeaker box to stand, the loudspeaker box rolls along with the sound amplifying blocks, meanwhile, the air bags arranged at the top ends of the sound amplifying blocks are in contact with the ground along with the rolling of the loudspeaker box, the shock absorption of the loudspeaker box is carried out through the air bags, the shock absorption of the loudspeaker box is further improved, and therefore the anti-falling effect of the loudspeaker box is improved; when the air bag contacts the ground or the platform is placed, the air bag is compressed by the sound amplifying block to blow air into the sound amplifying block, air flow blows to the data processing unit in the sound box through the interior of the sound amplifying block, dust attached to the data processing unit due to static electricity is blown away and is discharged from the air outlet hole, and therefore damage to an electrical component in the data processing unit due to the fact that the dust attached to the data processing unit due to static electricity damages an electrical component when the air bag is used in a region with large dust is avoided, the damage to the sound box is caused, the cleaning degree of the sound box is increased, and the service life of the sound box is prolonged; through setting up to the public address piece into the quadrangular pyramid, when the air current was inside through the public address piece, the flowing range of air is crescent along with the inside space of public address piece, and the air blows to data processing unit grow, increases the air and blows the dust removal scope to data processing unit.
Preferably, each of said air cells is an elastic air cell; the section of each air bag consists of an arc a and an arc b, and the arc a is connected with the arc b; and the included angle between every two adjacent sound amplifying blocks is 90-135 degrees.
When the loudspeaker box is used, when the loudspeaker box rolls, the air bag is in contact with the placing platform, the air bag is arranged, the arc a of the air bag starts to be in contact with the placing platform and rolls along the radian of the arc a until the loudspeaker box stops, at the moment, the placing platform is in contact with the arc a of the air bag, the air bag is prevented from being in contact with the placing platform for the first time, the air bag is pressed and deformed to bypass the contact area between the top end of the sound amplifying block and the ground, so that the top end of the sound amplifying block is in contact with the ground to generate vibration, the shell of the loudspeaker box is damaged, even a data processing unit in the loudspeaker box is damaged, the vibration absorption of the air bag is improved, and the anti-falling effect of the loudspeaker box is further improved; in the prior art, sound boxes are placed in different directions and different positions, for example, the sound box sound waves are not wide in directivity, that is, the sound boxes are different in sound characteristics when the user stands at different angles of the sound boxes to hear, the two sound boxes are placed relatively inwards to enhance the directivity of the sound waves of the sound boxes, or the sound boxes are not enough in low frequency, that is, the bass is not obvious or not clear, and the sound boxes are placed close to the corners of the wall; through adjacent the corresponding one side contained angle of amplifying block sets up to 90-135 degrees, loudspeaker broadcast sound, one side that adjacent amplifying block corresponds loudspeaker is amplifying block surface, utilize the diffraction phenomenon of sound wave similar to put two audio amplifier inboard relatively on the one hand, the directionality of the sound of reinforcing audio amplifier, the contained angle that on the other hand adjacent amplifying block corresponds one side and forms is similar to with the hand ring more loud that can shout before the mouth farther, when loudspeaker broadcast sound, enlarge the low frequency of sound, increase sound definition and propagation distance.
Preferably, the aperture of one end of each air outlet close to the data processing unit is larger than the aperture of one end of each air outlet far away from the data processing unit, a second one-way valve is fixedly connected in each air outlet, and the second one-way valve gives air out to the outside of the sound box.
When the air bag is pressed to blow air into the sound amplifying block, air flows through the inner wall of the sound amplifying block and is blown to the data processing unit under the guiding action of the sound amplifying block, and the air is exhausted from the air outlet after passing through the data module; through set up No. two check valves in the exhaust vent, and No. two check valves are outwards given vent to anger for the air can not receive the gasbag to breathe in the influence and get into the audio amplifier once more from the exhaust vent after, avoids the inside dust secondary pollution by the audio amplifier, further increases the clean degree in the audio amplifier.
Preferably, the outer surface of each air bag, which is far away from the sound amplifying block, is fixedly connected with a support plate, and the support plate is in a circular cover shape; the curved inner surface of each of the support plates is in contact with the air bag.
When the loudspeaker box is used, the airbag is prevented from being bent and deformed under the influence of the gravity of the loudspeaker box when the loudspeaker box is placed, so that the possibility of inclination of the loudspeaker box is increased, and the possibility of toppling is increased; when the great sound of audio amplifier broadcast arouses the audio amplifier vibrations, owing to set up the backup pad, on the one hand, the triangle structure area of contact increase that three public address block formed, improve the antidetonation effect, thereby improve stability, avoid when the great sound of audio amplifier broadcast arouses the audio amplifier vibrations, the crooked slope is placed for a long time to the gasbag, vibrations lead to the possibility of empting, on the other hand, the audio amplifier vibrations drive the gasbag vibrations, the gasbag receives the audio amplifier influence to extrude slight exhaust to the backup pad, the gasbag in the backup pad of three support audio amplifier is simultaneously to data processing unit exhaust, make the gasbag blow to remove dust to data processing unit under the condition that does not empty the roll or drop, increase the clean degree of audio amplifier.
Preferably, a circular first membrane is mounted on one side, opposite to the loudspeaker, of each sound amplifying block, and the loudspeaker on each sound amplifying block is opposite to the first membrane; the cross section of each first membrane is arc-shaped, and the first membrane is made of elastic materials capable of generating resonance so as to realize that the loudspeaker of each sound amplifying block and the first membrane of the adjacent sound amplifying block generate resonance.
When the loudspeaker is used, when the loudspeaker plays sound, the first round membrane is arranged and made of a resonance elastic material, so that the first membrane and the loudspeaker resonate, and the two loudspeaker boxes are placed inwards oppositely, so that the sound wave directionality of the loudspeaker boxes is enhanced, and the sound transmission range is expanded; when the loudspeaker plays sound, the loudspeaker causes the first membrane to vibrate, air in the air bag flows through the first membrane at the first membrane position to vibrate and extrude air in the sound amplification block, the air flow rate is increased, and the cleaning effect of the sound box is further increased.
Preferably, the inner wall of each sound amplifying block, which is positioned at one side of the loudspeaker, is fixedly connected with a support rod, and one end of each support rod, which is far away from the inner wall of each sound amplifying block, is fixedly connected with a lantern ring; a rubber rod is connected in the lantern ring in a sliding mode, one end of the rubber rod is in contact with the loudspeaker, and the other end of the rubber rod is close to the first membrane; one side of the lantern ring, which is far away from the loudspeaker, is connected with the rubber rod through a spring, so that the loudspeaker drives the first membrane to vibrate.
When the loudspeaker is used for playing sound, the paper tympanic membrane in the loudspeaker is in vibration contact with the rubber rod to drive the rubber rod to move, the rubber rod retracts under the influence of the spring on the lantern ring, the first membrane is intermittently pushed, the amplitude of the first membrane is increased, the resonance effect generated by the first membrane and the loudspeaker is enhanced, the directivity of sound waves of the loudspeaker box is further enhanced, and the sound transmission range is enlarged; through setting up the rubber pole, increase a membrane amplitude, the air current in the gasbag is located through a membrane, and the air in the public address piece is extrudeed in a membrane vibration, further increases air flow rate to increase the clean effect of audio amplifier, avoid damaging the electrical components among the data processing unit because of the dust that static attached to on the data processing unit when the great area of dust was used, lead to the audio amplifier to damage.
The invention has the following beneficial effects:
1. according to the Bluetooth sound box with the NFC communication, due to the matching of the sound amplifying block and the air bag, the vibration caused by the falling is relieved through the air bag before the sound amplifying block contacts the placing platform, the damage to the shell of the sound box and even the damage to the data processing unit in the sound box are prevented, the sound box cannot play sound, the vibration absorption performance of the sound box is improved, and the anti-falling effect of the sound box is improved.
2. According to the Bluetooth sound box with the NFC communication function, the aperture of the air outlet hole in the sound box is larger than the aperture of the air outlet hole outside the sound box, so that a narrow tube effect occurs when air passes through the air outlet hole, the flow speed of the air passing through the air outlet hole is increased, the air discharging speed in the sound box is increased, and the cleaning degree in the sound box is increased.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic view of a viewing angle configuration of the present invention;
FIG. 3 is a schematic view of another aspect of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 2 at A;
FIG. 5 is a partial enlarged view at B in FIG. 3;
in the figure: the loudspeaker comprises a sound box 1, a data processing unit 2, a sound amplifying block 3, an air bag 31, an air outlet 32, a first membrane 33, a supporting plate 34, a supporting rod 35, a lantern ring 36, a rubber rod 37, a loudspeaker 4, a first check valve 5 and a second check valve 6.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 5, the bluetooth speaker with NFC communication according to the present invention includes a speaker 1 and a set of sound amplification blocks 3; the center position in the sound box 1 is fixedly connected with a data processing unit 2, and the sound box 1 is of a cubic frame structure; each surface of the sound box 1 is fixedly connected with a sound amplifying block 3, and the sound amplifying blocks 3 are all hollow rectangular pyramids; the interior of each sound amplifying block 3 is communicated with the interior of the sound box 1; a loudspeaker 4 is arranged on one side of each sound amplifying block 3, and the loudspeaker 4 is electrically connected with the data processing unit 2; one end of the sound amplifying block 3, which is far away from the sound box 1, is fixedly connected with an air bag 31, and the interior of the air bag 31 is communicated with the interior of the sound amplifying block 3; one side of the air bag 31 is fixedly connected with a one-way valve 5, and the one-way valve 5 on the air bag 31 supplies air into the air bag 31; and air outlet holes 32 are formed at the included angle between every two adjacent sound amplifying blocks 3.
When the loudspeaker box is used, the loudspeaker box 1 is started, and the loudspeaker 4 plays sound, in the prior art, in occasions with more people, such as supermarkets, markets and shops, the loudspeaker box 1 is possibly knocked down and knocked down, the shell of the loudspeaker box 1 is damaged, even the data processing unit 2 in the loudspeaker box 1 is damaged, so that the loudspeaker box 1 cannot play sound, and property loss is caused; when the sound box 1 is placed, because each surface of the sound box 1 is fixedly connected with the sound amplifying block 3, and the sound amplifying blocks 3 are all hollow rectangular pyramids, the sound box 1 is fixed on the placing platform by the top ends of the sound amplifying blocks 3 fixedly connected with the three surfaces, and the three sound amplifying blocks 3 form a triangular structure, the stability of the sound box 1 is improved, and the possibility that the sound box 1 is knocked down due to external force is reduced; when the sound box 1 is knocked down by external force, the sound box 1 topples and rolls, each surface of the sound box 1 is supported on the placing platform through the sound expansion block 3, through the matching between the sound expansion block 3 and the air bag 31, the vibration caused by toppling is slowed down through the air bag 31 before the sound expansion block 3 contacts the placing platform, the shell of the sound box 1 is prevented from being damaged, even the data processing unit 2 in the sound box 1 is damaged, the sound box 1 cannot play sound, property loss is caused, the vibration absorption performance of the sound box 1 is increased, and therefore the anti-falling effect of the sound box 1 is increased; when the sound box 1 falls from the placing platform under the action of external force, the sound amplifying blocks 3 are in contact with the ground, vibration caused by falling of the sound box 1 from a high place is reduced through vibration absorption of the air bags 31, after the sound box 1 falls to the ground, one or two sound amplifying blocks 3 are not enough to support the sound box 1 to stand, the sound box 1 rolls along with the sound box, meanwhile, the air bags 31 arranged at the top ends of the sound amplifying blocks 3 are in contact with the ground along with the rolling of the sound box 1, the sound box 1 is subjected to vibration absorption through the air bags 31, the vibration absorption of the sound box 1 is further increased, and therefore the anti-falling effect of the sound box 1 is increased; when the air bag 31 contacts the ground or a platform is placed, the air bag 31 is compressed by the sound amplifying block 3 to blow air into the sound amplifying block 3, the air flows through the sound amplifying block 3 to blow air to the data processing unit 2 in the sound box 1, dust attached to the data processing unit 2 due to static electricity is blown away, and the air is discharged from the air outlet 32, so that the situation that electrical elements in the data processing unit 2 are damaged due to the dust attached to the data processing unit 2 due to static electricity when the air bag is used in a region with large dust is avoided, the sound box 1 is damaged, the cleaning degree of the sound box 1 is increased, and the service life of the sound box 1 is prolonged; by setting the sound amplifying block 3 to be a quadrangular pyramid, when the air flows through the inside of the sound amplifying block 3, the flowing range of the air gradually increases along with the space inside the sound amplifying block 3, the air is blown to the data processing unit 2 to become large, and the dust removal range of the air blown to the data processing unit 2 is increased.
As an embodiment of the present invention, each of the air cells 31 is an elastic air cell 31; the section of each air bag 31 consists of an arc a and an arc b, and the arc a is connected with the arc b; the included angle between the adjacent sound amplifying blocks 3 is 90-135 degrees.
When the loudspeaker box 1 is used, when the loudspeaker box 1 rolls, the air bag 31 contacts the placing platform, the air bag 31 is arranged, the arc a of the air bag 31 starts to contact the placing platform and rolls along the radian of the arc a until the loudspeaker box stops, at the moment, the placing platform contacts the arc a of the air bag 31 to prevent the air bag 31 from contacting the placing platform for the first time, the air bag 31 is pressed and deformed to bypass the contact area between the top end of the sound expansion block 3 and the ground, so that the top end of the sound expansion block 3 contacts the ground to generate vibration, the shell of the loudspeaker box 1 is damaged, even the data processing unit 2 in the loudspeaker box 1 is damaged, the vibration absorption performance of the air bag 31 is improved, and the anti-falling effect of the loudspeaker box 1 is further improved; in the prior art, the sound boxes 1 are placed in different directions and different positions, for example, the sound waves of the sound boxes 1 have different directivities, that is, the sound characteristics of the sound boxes 1 transmitted when the sound boxes 1 stand at different angles are different, the two sound boxes 1 are placed relatively inwards to enhance the directivity of the sound waves of the sound boxes 1, or the sound boxes 1 are placed close to the corners of the wall when the low frequency of the sound boxes 1 is insufficient, that is, the bass is not obvious or clear; through adjacent expand sound piece 3's corresponding one side contained angle sets up to 90-135 degrees, loudspeaker 4 broadcast sound, one side that adjacent expand sound piece 3 corresponds loudspeaker 4 is the 3 surfaces of sound amplification piece, utilize the similar inside side relatively of two audio amplifier 1 of diffraction phenomenon of sound wave to put on the one hand, the directionality of reinforcing audio amplifier 1's sound, the contained angle that on the other hand adjacent expand sound piece 3 correspond one side and form is similar to more sound that can shout with the hand ring before the mouth farther, when loudspeaker 4 broadcast sound, expand the low frequency of sound, increase sound definition and propagation distance.
As an embodiment of the present invention, the aperture of one end of each of the air outlets 32 close to the data processing unit 2 is larger than the aperture of the other end of the air outlet far from the data processing unit 2, and a second check valve 6 is fixedly connected in the air outlet 32, and the second check valve 6 vents air to the outside of the sound box 1.
When the air bag type loudspeaker is used, when the air bag 31 is pressed to blow air into the sound amplifying block 3, the air flows through the inner wall of the sound amplifying block 3 and is blown to the data processing unit 2 under the guiding action of the sound amplifying block 3, the air is discharged from the air outlet 32 after passing through the data module, and the aperture of the air outlet 32 positioned in the sound box 1 is larger than the aperture positioned outside the sound box 1, so that a narrow tube effect is generated when the air passes through the air outlet 32, the flow speed of the air passing through the air outlet 32 is increased, the speed of discharging the air in the sound box 1 is increased, and the cleanness degree in the sound box 1 is increased; through set up No. two check valves 6 in exhaust vent 32, and No. two check valves 6 are outwards given vent to anger for the air can not receive gasbag 31 to breathe in the influence and get into audio amplifier 1 once more from exhaust vent 32 back, avoids audio amplifier 1 inside by dust secondary pollution, further increases the clean degree in the audio amplifier 1.
As an embodiment of the present invention, a supporting plate 34 is fixedly connected to an outer surface of each air bag 31 away from the sound amplifying block 3, and the supporting plate 34 is in a circular cover shape; the curved inner surface of each of the supporting plates 34 is in contact with the airbag 31.
When the loudspeaker box 1 is used, the airbag 31 is prevented from being bent and deformed under the influence of the gravity of the loudspeaker box 1 when the loudspeaker box 1 is placed, so that the possibility of inclination of the loudspeaker box 1 is increased, and the possibility of toppling is increased; when 1 vibrations arouse audio amplifier 1 at audio amplifier 1 broadcast great sound, owing to set up backup pad 34, on the one hand, the triangle structure area of contact increase that three diffusion piece 3 formed, improve the antidetonation effect, thereby improve stability, avoid arousing when audio amplifier 1 vibrates at audio amplifier 1 broadcast great sound, crooked slope is placed for a long time to gasbag 31, vibrations lead to the possibility of empting, on the other hand, audio amplifier 1 vibrations drive gasbag 31 vibrations, gasbag 31 receives audio amplifier 1 to influence to extrude slight exhaust to backup pad 34, gasbag 31 on three backup pad 34 that supports audio amplifier 1 exhausts to data processing unit 2 simultaneously, make gasbag 31 blow to data processing unit 2 and remove dust under the condition that does not empty the roll or drop, increase audio amplifier 1's clean degree.
As an embodiment of the invention, a circular first membrane 33 is mounted on one side of each sound amplifying block 3 opposite to the loudspeaker 4, and the loudspeaker 4 on the sound amplifying block 3 is opposite to the first membrane 33; the section of each first membrane 33 is arc-shaped, and the first membrane 33 is made of elastic material for generating resonance, so that the loudspeaker 4 of each sound amplifying block 3 and the first membrane 33 of the adjacent sound amplifying block 3 generate resonance.
When the loudspeaker 4 is used for playing sound, the first round membrane 33 is arranged and made of elastic materials capable of generating resonance, so that the first membrane 33 and the loudspeaker 4 generate resonance, and the two loudspeaker boxes 1 are placed inwards oppositely, so that the sound wave directionality of the loudspeaker boxes 1 is enhanced, and the sound transmission range is expanded; when the loudspeaker 4 plays sound, the loudspeaker 4 causes the first membrane 33 to vibrate, the air in the air bag 31 flows through the first membrane 33 at the first membrane 33 to vibrate and squeeze the air in the sound amplifying block 3, the air flow rate is increased, and the cleaning effect of the sound box 1 is further increased.
As an embodiment of the present invention, a support rod 35 is fixedly connected to an inner wall of each sound amplifying block 3 on one side of the speaker 4, and a lantern ring 36 is fixedly connected to one end of the support rod 35 away from the inner wall of the sound amplifying block 3; a rubber rod 37 is connected in the lantern ring 36 in a sliding mode, one end of the rubber rod 37 is in contact with the loudspeaker 4, and the other end of the rubber rod 37 is close to the first membrane 33; one side of the lantern ring 36, which is far away from the loudspeaker 4, is connected with the rubber rod 37 through a spring, so that the loudspeaker 4 drives the first membrane 33 to vibrate.
When the loudspeaker 4 is used for playing sound, the paper drum membrane in the loudspeaker 4 is in vibration contact with the rubber rod 37 to drive the rubber rod 37 to move, the rubber rod 37 retracts under the influence of the spring on the lantern ring 36, intermittent pushing is formed on the first membrane 33, the amplitude of the first membrane 33 is increased, the resonance effect generated by the first membrane 33 and the loudspeaker 4 is enhanced, the sound wave directivity of the sound box 1 is further enhanced, and the sound transmission range is enlarged; through setting up rubber pole 37, increase a membrane 33 amplitude, the air in the gasbag 31 flows through a membrane 33 department, and a membrane 33 vibrates and squeezes the air in the diffusion piece 3, further increases air velocity to increase the clean effect of audio amplifier 1, avoid damaging the electrical components in data processing unit 2 because of the dust that static adheres to on data processing unit 2 when the area that the dust is great uses, lead to audio amplifier 1 to damage.
The specific working process is as follows:
starting the sound box 1, and playing sound by the loudspeaker 4; when the sound box 1 is knocked down by an external force, the sound box 1 tilts and rolls, each surface of the sound box 1 is supported on the placing platform through the sound expansion block 3, and through the matching between the sound expansion block 3 and the air bag 31, the vibration caused by the tilting is relieved through the air bag 31 before the sound expansion block 3 contacts the placing platform, so that the vibration absorption of the sound box 1 is improved; when the air bag 31 contacts the ground or a platform is placed, the air bag 31 is compressed by the sound amplifying block 3 to blow air into the sound amplifying block 3, the air flows through the inside of the sound amplifying block 3 to blow the data processing unit 2 in the sound box 1, dust attached to the data processing unit 2 due to static electricity is blown away, and the dust is discharged from the air outlet 32; by arranging the sound amplifying block 3 into a hollow quadrangular pyramid, when air flows through the interior of the sound amplifying block 3, the flowing range of the air is gradually increased along with the internal space of the sound amplifying block 3, the air is blown to the data processing unit 2 to be enlarged, and the blowing dust removal range of the air on the data processing unit 2 is increased; by arranging the air bag 31, the arc a of the air bag 31 starts to contact the placing platform and rolls along the radian of the arc a until the air bag stops, and at the moment, the placing platform contacts with the arc a of the air bag 31, so that the situation that the air bag 31 is pressed and deformed to bypass the contact area between the top end of the sound amplification block 3 and the ground is prevented; the included angle of one corresponding side of each adjacent sound amplifying block 3 is set to be 90-135 degrees, the loudspeaker 4 plays sound, one side of each adjacent sound amplifying block 3, which corresponds to the loudspeaker 4, is the outer surface of the sound amplifying block 3, on one hand, the two sound boxes 1 are placed relatively inwards by utilizing the similar diffraction phenomenon of sound waves, the sound directionality of the sound boxes 1 is enhanced, on the other hand, the included angle formed by one corresponding side of each adjacent sound amplifying block 3 is similar to that a loud sound which can be shout by a hand ring in front of a mouth is farther, and the sound definition and the propagation distance are increased; when the air bag 31 is pressed to blow air into the sound amplifying block 3, the air flows through the inner wall of the sound amplifying block 3 and is blown to the data processing unit 2 under the guiding action of the sound amplifying block 3, and the air is exhausted from the air outlet 32 after passing through the data module, because the aperture of the air outlet 32 positioned in the sound box 1 is larger than the aperture positioned outside the sound box 1, a narrow tube effect is generated when the air passes through the air outlet 32, the flow speed of the air passing through the air outlet 32 is increased, the speed of exhausting the air in the sound box 1 is increased, and the cleaning degree in the sound box 1 is increased; through arranging the second check valve 6 in the air outlet 32 and exhausting air from the second check valve 6, air can not enter the sound box 1 again under the influence of air suction of the air bag 31 after being exhausted from the air outlet 32, so that the secondary pollution of dust in the sound box 1 is avoided, and the cleaning degree in the sound box 1 is further increased; by arranging the supporting plate 34, the supporting plate 34 is in contact with the ground, so that the stress uniformity of the air bag 31 in contact with the placing platform is improved, and the stability of the sound box 1 in placing is improved; the sound box 1 vibrates to drive the air bags 31 to vibrate, the air bags 31 are slightly extruded to the supporting plate 34 under the influence of the sound box 1 to exhaust, the air bags 31 on the three supporting plates 34 supporting the sound box 1 simultaneously exhaust to the data processing unit 2, and the cleaning degree of the sound box 1 is increased; by arranging the circular first membrane 33 and the first membrane 33 is made of a resonance elastic material, the first membrane 33 and the loudspeaker 4 generate resonance, and the two sound boxes 1 are similarly arranged relatively inwards, so that the directivity of sound waves of the sound boxes 1 is enhanced; the air in the air bag 31 flows through the first membrane 33 at the first membrane 33 to vibrate and squeeze the air in the sound amplifying block 3, so that the air flow rate is increased, and the cleaning effect of the sound box 1 is further improved; the paper tympanic membrane in the loudspeaker 4 is in vibration contact with the rubber rod 37 to drive the rubber rod 37 to move, the rubber rod 37 retracts under the influence of the spring on the lantern ring 36, the first membrane 33 is intermittently pushed, the amplitude of the first membrane 33 is increased, and the directionality of sound waves of the sound box 1 is further enhanced; by arranging the rubber rod 37, the amplitude of the first membrane 33 is increased, the air in the air bag 31 flows through the first membrane 33, and the first membrane 33 vibrates and squeezes the air in the sound amplifying block 3, so that the air flow rate is further increased, and the cleaning effect of the sound box 1 is improved.
The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a take NFC's bluetooth speaker (1), its characterized in that: comprises a sound box (1) and a group of sound amplifying blocks (3); the center position in the sound box (1) is fixedly connected with a data processing unit (2), and the sound box (1) is of a cubic frame structure; each surface of the sound box (1) is fixedly connected with a sound amplifying block (3), and the sound amplifying blocks (3) are all hollow rectangular pyramids; the interior of each sound amplifying block (3) is communicated with the interior of the sound box (1); a loudspeaker (4) is arranged on one side of each sound amplifying block (3), and the loudspeaker (4) is electrically connected with the data processing unit (2); an air bag (31) is fixedly connected to one end, far away from the sound box (1), of the sound amplification block (3), and the interior of the air bag (31) is communicated with the interior of the sound amplification block (3); one side of the air bag (31) is fixedly connected with a one-way valve (5), and the one-way valve (5) on the air bag (31) feeds air into the air bag (31); and air outlet holes (32) are formed at the included angle between every two adjacent sound amplifying blocks (3).
2. A Bluetooth speaker (1) with NFC communication according to claim 1 wherein: each air bag (31) is an elastic air bag (31); the section of each air bag (31) consists of an arc a and an arc b, and the arc a is connected with the arc b; the included angle between every two adjacent sound amplifying blocks (3) is 90-135 degrees.
3. A Bluetooth speaker (1) with NFC communication according to claim 2 wherein: every aperture ratio that exhaust vent (32) is close to data processing unit (2) one end is kept away from the aperture of data processing unit (2) one end big, and has linked firmly No. two check valves (6) in exhaust vent (32), and No. two check valves (6) are given vent to anger outside audio amplifier (1).
4. A Bluetooth speaker (1) with NFC communication according to claim 3 wherein: the outer surface of each air bag (31) far away from the sound amplifying block (3) is fixedly connected with a support plate (34), and the support plate (34) is in a circular cover shape; the curved inner surface of each of the support plates (34) is in contact with the airbag (31).
5. A Bluetooth speaker (1) with NFC communication according to claim 4 wherein: a circular first membrane (33) is arranged on one side, opposite to the loudspeaker (4), of each sound amplification block (3), and the loudspeaker (4) on each sound amplification block (3) is opposite to the first membrane (33); the cross section of each first membrane (33) is arc-shaped, and the first membrane (33) is made of elastic material capable of generating resonance, so that the loudspeaker (4) of each sound diffusion block (3) and the first membrane (33) of the adjacent sound diffusion block (3) can generate resonance.
6. A Bluetooth speaker (1) with NFC communication according to claim 5 wherein: a support rod (35) is fixedly connected to the inner wall of each sound amplifying block (3) on one side of the loudspeaker (4), and a lantern ring (36) is fixedly connected to one end, far away from the inner wall of each sound amplifying block (3), of each support rod (35); a rubber rod (37) is connected in the lantern ring (36) in a sliding mode, one end of the rubber rod (37) is in contact with the loudspeaker (4), and the other end of the rubber rod (37) is close to the first membrane (33); one side of the lantern ring (36) far away from the loudspeaker (4) is connected with the rubber rod (37) through a spring, so that the loudspeaker (4) drives the first membrane (33) to vibrate.
CN202110488831.8A 2021-04-28 2021-04-28 Take bluetooth speaker of NFC communication Active CN113382325B (en)

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