CN113225649A - Audio sounding propagation system and audio equipment with same - Google Patents
Audio sounding propagation system and audio equipment with same Download PDFInfo
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- CN113225649A CN113225649A CN202110456793.8A CN202110456793A CN113225649A CN 113225649 A CN113225649 A CN 113225649A CN 202110456793 A CN202110456793 A CN 202110456793A CN 113225649 A CN113225649 A CN 113225649A
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- audio
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- vibrator
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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
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/16—Mounting or tensioning of diaphragms or cones
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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
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
Abstract
The invention discloses an audio sounding propagation system and audio equipment with the same, wherein the audio sounding propagation system comprises: an audio generator having a function of generating and transmitting an audio signal; the audio vibrator device is electrically connected with the audio generating body and has the function of transmitting audio signals; the transmission base surface of the enlarged transmission diaphragm intersects with the transmission path of the audio vibrator device; the audio frequency generating body generates audio frequency and transmits the audio frequency to the audio frequency oscillator device, the audio frequency oscillator device forms audio frequency energy to enable the expanding and conducting vibrating diaphragm to vibrate and propagate, and then the expanding and conducting vibrating diaphragm converts the diffusion type propagation into the conduction base surface propagation. The technical scheme of the invention changes the original point diffusion type transmission into the conduction base surface type vibration transmission, thereby enlarging the radiation range; the structure space of the product can be effectively saved, and the weight of the product is reduced.
Description
Technical Field
The invention relates to the technical field of audio sounding, in particular to an audio sounding propagation system and audio equipment with the same.
Background
The traditional electronic product sound system design is based on the point sound generation technology of the traditional loudspeaker, and the main defects are as follows: 1) the sound has detailed directivity and unsaturated spatial stereoscopic impression. 2) Generally, a left sound channel and a right sound channel are adopted, the sound field range is fixed, and the sound field range is easily reflected or absorbed by an environmental object; 3) the existing screen sounding technology is developed based on an OLED screen body, vibration kinetic energy can be transmitted to a guide glass only by penetrating through a back plate and a diaphragm of the screen body, the mode can cause energy loss early, and vibration amplitude limitation exists, so that low-frequency signals of sound medium kinetic energy cannot be generated.
Disclosure of Invention
The invention mainly aims to provide an audio sounding propagation system and audio equipment with the same, aiming at converting original point spread type propagation into conduction base surface type vibration propagation and enlarging the radiation range.
The above problems to be solved by the present invention are achieved by the following technical solutions:
an audio sound emission propagation system, comprising:
an audio generator having a function of generating and transmitting an audio signal;
the audio vibrator device is electrically connected with the audio generating body and has the function of transmitting audio signals;
the transmission base surface of the enlarged transmission diaphragm intersects with the transmission path of the audio vibrator device;
the audio frequency generating body generates audio frequency and transmits the audio frequency to the audio frequency oscillator device, the audio frequency oscillator device forms audio frequency energy to enable the expanding and conducting vibrating diaphragm to vibrate and propagate, and then the expanding and conducting vibrating diaphragm converts the diffusion type propagation into the conduction base surface propagation.
Preferably, the enlarged conducting diaphragm is a glass diaphragm.
Preferably, the audio vibrator device is attached to the conductive base of the enlarged conductive diaphragm by an adhesive member.
Preferably, a buffering component is arranged between the expanded conduction diaphragm and the audio oscillator device, one end of the buffering component is fixedly connected with the expanded conduction diaphragm through the adhesive piece, and the other end of the buffering component is at least partially connected with the audio oscillator device.
Preferably, the buffering component is made of a nano EVA material.
Preferably, the buffering component is a sheet-shaped back plate, the audio oscillator device is fixed at the inner end of the back plate, and the surface of the audio oscillator device is bonded with the enlarged conduction diaphragm through a bonding piece; the outer end of the back plate is provided with a support, and the enlarged conduction vibrating diaphragm is connected to the support through the adhesive piece.
Preferably, the amplification conduction vibrating diaphragm is a rectangular amplification conduction vibrating diaphragm, and the audio vibrator device is located inside the rectangular amplification conduction vibrating diaphragm;
the distance range between the audio vibrator device and the inner wall of the rectangular expanded conduction diaphragm is larger than or equal to the diameter D of the audio vibrator device and smaller than or equal to two times of the diameter D of the audio vibrator device.
Preferably, the enlarged conduction diaphragm includes a first conductor, a second conductor, and a third conductor, and the first conductor, the second conductor, and the third conductor form a triangular pyramid shape having an installation cavity therein; the audio vibrator device comprises a first audio vibrator, a second audio vibrator and a third audio vibrator, the audio generating body comprises a first audio body, a second audio body and a third audio body, the first audio vibrator is located in the installation cavity on the inner side of the first conductor and is electrically connected with the first audio body, the second audio vibrator is located in the installation cavity on the inner side of the second conductor and is electrically connected with the second audio body, and the third audio vibrator is located in the installation cavity on the inner side of the third conductor and is electrically connected with the third audio body.
Preferably, an audio device comprises an audio sound emission dissemination system as defined in any of the preceding claims.
Preferably, the audio device is any one of a television, a sound box or a mobile phone.
Has the advantages that: according to the technical scheme, the audio generator is adopted to drive the audio vibrator to generate audio vibration to enable the audio vibrator to form audio vibration, and the audio vibration drives and expands the vibration of the transmission vibrating diaphragm, so that the original point diffusion type transmission is converted into the transmission basal plane type transmission, and the radiation range is enlarged; the structure space of the product can be effectively saved, and the weight of the product is reduced; meanwhile, the structure stability is stronger, and the cost is lower.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of an audio sound emission propagation system according to the present invention.
Fig. 2 is a schematic structural diagram of another embodiment of an audio sound emission propagation system according to the present invention.
Fig. 3 is a schematic top view of yet another embodiment of an audio emission delivery system according to the present invention.
Fig. 4 is a schematic structural diagram of a further embodiment of an audio sound emission propagation system according to the present invention.
The reference numbers illustrate: 1-an audio generator; 2-enlarging the conductive diaphragm; 21-a first enlarged diaphragm; 22-a second enlarged diaphragm; 23-a third enlarged diaphragm; 3-an audio vibrator device; 31-a first audio vibrator; 32-a second audio vibrator; 33-a third audio element; 4-an adhesive member; 5-a cushioning component; 6-a scaffold; 7-back plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture, and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if the meaning of "and/or" and/or "appears throughout, the meaning includes three parallel schemes, for example," A and/or B "includes scheme A, or scheme B, or a scheme satisfying both schemes A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides an audio sounding propagation system and audio equipment with the same.
As shown in fig. 1, in one embodiment of the present invention, the audio sound emission propagation system: the method comprises the following steps: an audio generating body 1, the audio generating body 1 having a function of generating and transmitting an audio signal; an audio vibrator device 3, wherein the audio vibrator device 3 is electrically connected to the audio generating body 1, and the audio vibrator device 3 has a function of propagating an audio signal; the transmission base plane of the enlarged transmission diaphragm 2 intersects with the propagation path of the audio vibrator device 3; wherein the conductive basal plane preferably perpendicularly intersects the propagation path;
the audio generator 1 generates audio to be transmitted to the audio vibrator device 3, the audio vibrator device 3 forms audio energy to enable the amplification and conduction diaphragm 2 to vibrate and propagate, and then the amplification and conduction diaphragm 2 converts diffusion type propagation into conduction base surface propagation.
According to the technical scheme, the audio generator is adopted to drive the audio vibrator to generate audio vibration to enable the audio vibrator to form audio vibration, and the audio vibration drives and expands the vibration of the transmission vibrating diaphragm, so that the original point diffusion type transmission is converted into the transmission basal plane type transmission, and the radiation range is enlarged; the structure space of the product can be effectively saved, and the weight of the product is reduced; meanwhile, the structure stability is stronger, and the cost is lower.
In the present embodiment, the audio generator 1 is a power amplifier or a speaker. The power amplifier refers to a most basic device in a sound system, commonly called a loudspeaker, and is used for amplifying a weak electric signal from a signal source (from a sound console in a professional sound system) to drive a loudspeaker to make a sound, and also refers to other devices for amplifying power. The loudspeaker is a conversion device for converting electric energy into sound, when different electronic energy is transmitted to the coil, the coil generates energy and magnetic field interaction of the magnet, the interaction causes paper disc vibration, because the electronic energy changes at any time, the coil of the loudspeaker can move forwards or backwards, so that the paper disc of the loudspeaker can move along with the coil, and the action causes the density degree of air to change to generate sound.
In this embodiment, the enlarged conducting diaphragm 2 is a glass diaphragm; more preferably a transparent glass diaphragm. Glass is an amorphous inorganic non-metallic material, and is generally prepared by using various inorganic minerals (such as quartz sand, borax, boric acid, barite, barium carbonate, limestone, feldspar, soda ash and the like) as main raw materials and adding a small amount of auxiliary raw materials. Wherein, the thickness of glass vibrating diaphragm is preferably 0.5 ~ 0.8mm, and material density: 2.0 to 2.5g/cm3(ii) a Therefore, the thickness of the glass diaphragm is optimally 0.7mm, and the low-frequency effect is better.
Specifically, the audio vibrator device 3 is attached to the conductive base surface of the enlarged conductive diaphragm 2 by an adhesive 4; wherein, the adhesive member 4 is preferably an adhesive member made of glue, and more preferably epoxy AB glue; the epoxy AB glue is provided for quick curing, is a milky viscous epoxy resin adhesive, can be cured at low temperature or normal temperature, is high in curing speed, high in bonding strength after curing, good in hardness, good in toughness, good in acid and alkali resistance of a cured product, good in moisture resistance, water resistance, oil resistance and dust resistance, and good in humidity resistance, heat resistance and atmospheric aging resistance; the cured product has good electrical and physical properties such as insulation, compression resistance, high bonding strength and the like, and can resist the high temperature of 200 ℃ and 250 ℃ for 20 minutes.
Specifically, a buffering component 5 is arranged between the enlarged conducting diaphragm 2 and the audio oscillator device 3, one end of the buffering component 5 is fixedly connected with the enlarged conducting diaphragm 2 through the adhesive 4, and the other end of the buffering component 5 is at least partially connected with the audio oscillator device 3.
As shown in fig. 1, in one embodiment, the buffering component 5 is made of a nano EVA material, so that the supporting mode of the vibrator and the glass support is changed from a fixed support to a suspension support, the vibration damping performance is better, the amplitude stroke is longer, the sound pressure is increased, the low frequency is more submerged, and the low frequency phenomenon is improved; the other end of the buffer part 5 is fixedly connected with the audio vibrator device 3 through the adhesive piece 4. Wherein the ethylene-vinyl acetate copolymer is called EVA for short.
In another embodiment, as shown in fig. 2, a sheet-shaped back plate 7 is used as the buffer component 5, the audio vibrator device 3 is fixed at the inner end of the back plate 7 by a screw, and the surface of the audio vibrator device 3 is bonded with the glass by an adhesive; the outer end of the back plate 7 is provided with a support 6, and the enlarged conductive diaphragm 2 is connected to the support 6 through the adhesive member 4. Wherein the thickness H of the audio vibrator device 31The size is 12.1mm, and the distance L between the enlarged conductive diaphragm 2 and the back plate 73Is equal to the H1The size is designed to ensure that the oscillator device is tightly attached to the glass and the structural stability and the audio transmission effect are optimal; while still ensuring a sufficient vibration range of the glass.
Specifically, as shown in fig. 3, in another embodiment, a rectangular enlarged conducting diaphragm is used as the enlarged conducting diaphragm 2, the audio oscillator device 3 is located at the center of gravity of the rectangular enlarged conducting diaphragm, and the distance between the audio oscillator device 3 and the inner wall of the rectangular enlarged conducting diaphragm is greater than or equal to the diameter D of the audio oscillator device 3 and less than or equal to two times the diameter D of the audio oscillator device 3, so that the requirement of the vibration amplitude can be met while ensuring the toughness of the glass.
Among them, preferred are: the audio oscillator device 3 is far away from the rectangular expanded conduction diaphragm by the width distance L1The distance L from the audio vibrator device 3 to the long side of the rectangular expanded conductive diaphragm is equal to the diameter D of the audio vibrator device 32Twice the diameter D of the audio vibrator device 3.
Specifically, as shown in fig. 4, in yet another embodiment, the enlarged conductive diaphragm 2 includes a first conductor 21, a second conductor 22, and a third conductor 23, and the first conductor 21, the second conductor 22, and the third conductor 23 form a triangular pyramid shape having a mounting cavity therein; the audio vibrator device 3 includes a first audio vibrator 31, a second audio vibrator 32, and a third audio vibrator 33, the audio generating body 1 includes a first audio body, a second audio body, and a third audio body, the first audio vibrator 31 is located in the mounting cavity inside the first conductor 21 and electrically connected to the first audio body, the second audio vibrator 32 is located in the mounting cavity inside the second conductor 22 and electrically connected to the second audio body, and the third audio vibrator 33 is located in the mounting cavity inside the third conductor 23 and electrically connected to the third audio body.
The present invention further provides an audio device, which includes an audio sound propagation system, and the specific structure of the audio sound propagation system refers to the above embodiments, and since the audio device employs all technical solutions of all the above embodiments, the audio device at least has all beneficial effects brought by the technical solutions of the above embodiments, and details are not repeated herein. The audio equipment is selected from a television, a sound box, a mobile phone or other electronic products.
A mobile phone belongs to a mobile terminal and is a mobile phone which can be held in the hand. Not only needs to support making a call and sending a short message, but also needs to process audio and video, even needs to support multitasking, and a chip with powerful function, low power consumption and multimedia processing capability is needed.
The television displays a frame of gradually changed static image by utilizing the visual residual effect of human eyes to form a visual moving image. The sending end of the television system converts each fine part of the scenery into electric signals according to the brightness and the chromaticity and then transmits the electric signals in sequence. The signal system comprises a common signal channel, an audio channel and a video-playing final stage circuit, and the signal system mainly plays a role in amplifying and processing received high-frequency television signals (including image signals and audio signals), finally reproducing images on a fluorescent screen and restoring audio in a loudspeaker. The high-frequency mixer consists of three parts, namely a high-frequency amplifier, a mixer and a local oscillator.
A sound box refers to a device that can convert an audio signal into sound. The popular way is that a power amplifier is arranged in a main box body or a bass box body of the sound box, and the sound is emitted back by the sound box after the audio signal is amplified, so that the sound is increased.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. An audio sound propagation system, comprising:
an audio generator having a function of generating and transmitting an audio signal;
the audio vibrator device is electrically connected with the audio generating body and has the function of transmitting audio signals;
the transmission base surface of the enlarged transmission diaphragm intersects with the transmission path of the audio vibrator device;
the audio frequency generating body generates audio frequency and transmits the audio frequency to the audio frequency oscillator device, the audio frequency oscillator device forms audio frequency energy to enable the expanding and conducting vibrating diaphragm to vibrate and propagate, and then the expanding and conducting vibrating diaphragm converts the diffusion type propagation into the conduction base surface propagation.
2. The audio sound production propagation system of claim 1, wherein the enlarged conductive diaphragm is a glass diaphragm.
3. The audio sound propagation system of claim 1, wherein the audio vibrator device is attached to the conductive base of the enlarged conductive diaphragm by an adhesive.
4. The system of claim 3, wherein a buffer member is disposed between the enlarged conductive diaphragm and the audio transducer device, one end of the buffer member is fixedly connected to the enlarged conductive diaphragm via the adhesive member, and the other end of the buffer member is at least partially connected to the audio transducer device.
5. The audio sound production propagation system of claim 4, wherein the cushioning component is a cushioning component of nano EVA material.
6. The system of claim 4, wherein the damping member is a plate-shaped backplate, the audio transducer device is fixed to the inner end of the backplate, and the surface of the audio transducer device is bonded to the enlarged conductive diaphragm by an adhesive; the outer end of the back plate is provided with a support, and the enlarged conduction vibrating diaphragm is connected to the support through the adhesive piece.
7. The audio sounding propagation system of claim 1, wherein the enlarged conducting diaphragm is a rectangular enlarged conducting diaphragm, and the audio vibrator device is located inside the rectangular enlarged conducting diaphragm;
the distance range between the audio vibrator device and the inner wall of the rectangular expanded conduction diaphragm is larger than or equal to the diameter D of the audio vibrator device and smaller than or equal to two times of the diameter D of the audio vibrator device.
8. The system of claim 1, wherein the enlarged conductive diaphragm comprises a first conductor, a second conductor, and a third conductor, the first conductor, the second conductor, and the third conductor forming a triangular pyramid shape with a mounting cavity therein; the audio vibrator device comprises a first audio vibrator, a second audio vibrator and a third audio vibrator, the audio generating body comprises a first audio body, a second audio body and a third audio body, the first audio vibrator is located in the installation cavity on the inner side of the first conductor and is electrically connected with the first audio body, the second audio vibrator is located in the installation cavity on the inner side of the second conductor and is electrically connected with the second audio body, and the third audio vibrator is located in the installation cavity on the inner side of the third conductor and is electrically connected with the third audio body.
9. Audio device comprising an audio sound emission dissemination system according to any of the preceding claims 1-8.
10. The audio device according to claim 9, wherein the audio device is any one of a television, a sound box or a mobile phone.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110456793.8A CN113225649B (en) | 2021-04-26 | 2021-04-26 | Audio sounding propagation system and audio equipment with same |
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| CN202110456793.8A CN113225649B (en) | 2021-04-26 | 2021-04-26 | Audio sounding propagation system and audio equipment with same |
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| CN108702573A (en) * | 2016-12-27 | 2018-10-23 | 索尼公司 | Panel speaker and display device |
| WO2020253141A1 (en) * | 2019-06-17 | 2020-12-24 | 海信视像科技股份有限公司 | Electronic device |
| CN112203192A (en) * | 2020-09-21 | 2021-01-08 | 董耀斌 | Sound production device |
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| US20070036388A1 (en) * | 2004-10-22 | 2007-02-15 | Samsung Electronics Co., Ltd. | Flat panel audio output apparatus and video/audio output apparatus |
| CN101534464A (en) * | 2008-03-14 | 2009-09-16 | 索尼株式会社 | Audio output apparatus and vibrator |
| CN102474685A (en) * | 2009-07-23 | 2012-05-23 | 索尼公司 | Speaker device and method for forming speaker device |
| CN108702573A (en) * | 2016-12-27 | 2018-10-23 | 索尼公司 | Panel speaker and display device |
| CN108462917A (en) * | 2018-03-30 | 2018-08-28 | 四川长虹电器股份有限公司 | Electromagnetic excitation energy converter and laser projection optics sound equipment screen and its synchronous display method |
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| CN112203192A (en) * | 2020-09-21 | 2021-01-08 | 董耀斌 | Sound production device |
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