CN110460933A - Ceramic loudspeaker box - Google Patents
Ceramic loudspeaker box Download PDFInfo
- Publication number
- CN110460933A CN110460933A CN201910700213.8A CN201910700213A CN110460933A CN 110460933 A CN110460933 A CN 110460933A CN 201910700213 A CN201910700213 A CN 201910700213A CN 110460933 A CN110460933 A CN 110460933A
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- CN
- China
- Prior art keywords
- ceramic
- loudspeaker
- sound
- loudspeaker box
- cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000919 ceramic Substances 0.000 title claims abstract description 82
- 239000011358 absorbing material Substances 0.000 claims abstract description 36
- 229910052573 porcelain Inorganic materials 0.000 claims abstract description 7
- 238000001914 filtration Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 10
- 239000006096 absorbing agent Substances 0.000 claims 1
- 230000003321 amplification Effects 0.000 abstract description 3
- 238000003199 nucleic acid amplification method Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 14
- 229910010293 ceramic material Inorganic materials 0.000 description 12
- 238000013016 damping Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000001052 transient effect Effects 0.000 description 4
- 230000001788 irregular Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 238000010923 batch production Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000002889 sympathetic effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000010358 mechanical oscillation Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
- H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
- H04R1/2873—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself for loudspeaker transducers
Abstract
The invention discloses a kind of ceramic loudspeaker boxes, the ceramic loudspeaker box includes ceramic shell and loudspeaker, wherein, ceramic shell offers the mounting hole for installing loudspeaker, ceramic shell is also provided with the cavity for the resonance of the voice amplification for loudspeaker, the cavity is connected to mounting hole, the inner wall of the cavity is equipped with the sound-absorbing material layer for filtering noise, the sound-absorbing material layer is fired by the sponge for being adsorbed with pottery mud or porcelain mud and is formed, even if the sponge for being adsorbed with pottery mud is fired can to form the sound-absorbing material layer, the sound-absorbing material layer is equipped with multiple through-holes being connected to cavity, so that the sound-absorbing material layer is formed as loose porous structure.The density of the ceramic loudspeaker box is high, rigidity is good, tone color is graceful.
Description
Technical field
The present invention relates to speaker technology field more particularly to a kind of ceramic loudspeaker boxes.
Background technique
Stereo set is the equipment that a kind of height reproduces music true qualities, stereo set generally comprise source of sound (input, such as
DVD player), power amplifier (amplifier) and speaker, speaker is the terminal of entire sound system, and effect is that audio electrical signal is converted
It is gone at corresponding sound energy, and by radiating acoustic energy to space, it is the extremely important component part of sound system, because it carries
Electric signal is transformed into acoustical signal and directly listens to so key task for the ear of people, it directly will play friendship with the sense of hearing of people
Road, and the sense of hearing of people is very sensitive, and has very strong identification capability to the tone color of complex sound.Since human ear is to sound
The subjective feeling of sound is the most important standard for evaluating a sound system sound quality quality, accordingly, it is believed that the performance of speaker
Height plays key effect to the playing quality of a sound system.
Speaker is by cabinet and is installed on the intracorporal loudspeaker of case and forms, and principle work is: when loudspeaker playback, passing through
Low-frequency minimum when with the damping action of air in cabinet, reinforcing the low-frequency vibration of loudspeaker, and having widened speaker playback
Frequency reduces the distortion of music playback and improves radiation efficiency.
Speaker is classified as follows:
Divide by playback frequency: Whole frequency band speaker, woofer and super-bass loudspeaker box can be divided into, so-called Whole frequency band speaker is
The speaker of covering low frequency, intermediate frequency and high-frequency range playback is referred to, the lower frequency limit of Whole frequency band speaker is generally 30Hz-60Hz,
Upper limiting frequency is 15Hz-20Hz, can be born completely in general middle-size and small-size sound system with a pair of or two pairs of Whole frequency band speakers
Carry on a shoulder pole playback task, woofer and super-bass loudspeaker box be usually be used to supplement Whole frequency band speaker low frequency and ultralow frequency playback it is special
With speaker, this kind of speaker is commonly used in large and medium-sized sound system, to reinforce the dynamics and shock sense of low frequency playback.It uses
When, mostly after an electronic frequency divider (acoustic splitter) divides, low frequency signal is sent into a special bass power amplifier, then push away
Dynamic bass or super-bass loudspeaker box.
Divide by body structure: can be divided into sealed speaker, phase inverted cabinet, labyrinth type speaker, sound wave tubular type speaker and
Multi-cavity resonant speaker system etc..Wherein, sealed speaker, which has, designs and produces simple, and frequency response is wider, and it is excellent that low frequency transient characteristic is good etc.
Point is most widely used in family, amusement and performance place, it can be by the forward radiation sound wave of loudspeaker and backward radiation
Sound wave is completely isolated.
Currently, since cabinet generally uses wood materials or plastic material to be made, when this cabinet is made into speaker, by
All lower in density, intensity and rigidity, one side loudspeaker makes cabinet that elastic deformation occur and generate when acoustic vibration occurs
Resonance, is distorted music playback, and its tone color is more deep；Another aspect loudspeaker occurs to make sound box shake when acoustic vibration
Between the sound that sound and loudspeaker dynamic and issue directly issue, there is a time difference Δ t in propagation, due to density, just
The influence of property, keeps Δ t larger, also results in distortion.
Summary of the invention
For overcome the deficiencies in the prior art, that the purpose of the present invention is to provide a kind of density is high, rigidity is good, tone color is graceful
Ceramic loudspeaker box.
The purpose of the present invention adopts the following technical scheme that realization:
Ceramic loudspeaker box, including ceramic shell and loudspeaker, the ceramic shell are offered for installing the loudspeaker
Mounting hole, the ceramic shell is also provided with the cavity for being connected to the mounting hole, and the inner wall of the cavity is equipped with for filtering
The sound-absorbing material layer of noise, the sound-absorbing material layer is fired by the sponge for being adsorbed with pottery mud or porcelain mud and is formed, the sound-absorbing
Material layer is equipped with multiple through-holes.
Further, the inner wall of the sound-absorbing material layer is rough arc-shaped curved surface.
Further, colored glaze layer is wrapped up in the outer surface of the ceramic shell.
Further, the outside wall surface of the ceramic shell extends outwardly to be formed for connecting with the frame of the loudspeaker
Annular protrusion, the annular protrusion are arranged around the edge of the mounting hole, and the top surface of the annular protrusion is to raise with described
The plane of the bottom surface fitting of the frame of sound device.
Further, multiple through-holes are interconnected.
Further, the mounting hole is located at the side wall of the ceramic shell.
Further, connection cavity and extraneous opening are offered at the top of the ceramic shell.
Further, the side wall of the bottom of the ceramic shell extends outwardly to form collet.
Further, the holding tank of the power supply line for storing the loudspeaker, institute are also provided on the ceramic shell
It states holding tank to be connected to the cavity, and the opening of the holding tank is removably equipped with end cap.
Further, the loudspeaker is middle woofer.
Compared with prior art, the beneficial effects of the present invention are:
1, can bear strong vibration: by using ceramic shell as cabinet, the cabinet of ceramic material is due to density
It is high, rigid good, therefore strong vibration can be born, the service life is longer；
2, hi-fi reproduction:, can also as using the density of cabinet made of ceramic material high, rigid good
Effectively contend with the resonance generated after the ceramic loudspeaker box is motivated, makes the damping action of loudspeaker and air preferably according to high-fidelity
The frequency response curve requirement of sound equipment, makes the sound and vibration of loudspeaker be in ideal state, while keeping Δ t smaller, to raising speaker
Transient response, with high fidelity reproduce music true qualities, the electroacoustic techniques index of high speaker play the role of it is positive；
3, plasticity is strong: the shell of ceramic material is easier to mould various irregular, organic, bionical for it
It is complicated form for its material, design sound box can be removed in the form of audio is most perfect；
4, the shell acid and alkali-resistance of ceramic material, high temperature resistant have good outdoor weather resistance, are applicable to the outer sound of make-up room
Case；
5, the decorative means of the shell of ceramic material are abundant, rich in color, texture is strong, sense of touch is plump, visual impression is abundant,
Speaker can be made colourful effect；
6, can be by the way of die forming in production, casting or hand-pressing forming, batch production easy to accomplish；
7, sound-absorbing effect is preferable, may filter that noise: since ceramics are porous structure, having good acoustic characteristic, indsole
When loudspeaker playback, middle low frequency music is transmitted to the external world after sympathetic response is amplified in the cavity, and tone color is limpider, graceful, in addition leading
The inner wall of sound conducting is equipped with sound-absorbing material layer made of one layer of sponge as being adsorbed with pottery mud, and the sound-absorbing material layer is
Porous structure can play preferable sound-absorbing effect, to may filter that noise；
8, it is easy to make: can be burnt together with ceramic shell by the sound-absorbing material layer that sponge is fired with pottery mud material and is formed
System has the advantages that preparation is easy, sound-absorbing effect is good, can substantially reduce difficulty of processing, improve processing efficiency.
Detailed description of the invention
Fig. 1 is the schematic perspective view of ceramic loudspeaker box of the invention；
Fig. 2 is the schematic diagram of internal structure of ceramic loudspeaker box shown in FIG. 1；
Fig. 3 is the exploded view of ceramic loudspeaker box shown in FIG. 1.
In figure: 1, ceramic shell；11, cavity；111, sound-absorbing material layer；12, mounting hole；13, annular protrusion；131, it positions
Hole；14, collet；2, loudspeaker；21, frame；22, power supply line.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the present invention, it should be noted that not
Under the premise of conflicting, new implementation can be formed between various embodiments described below or between each technical characteristic in any combination
Example.
Referring to figures 1-3, a kind of ceramic loudspeaker box of a preferred embodiment of the present invention is shown, which includes ceramics
Shell 1 and loudspeaker 2, wherein ceramic shell 1 offers the mounting hole 12 for installing loudspeaker 2, and ceramic shell 1 is also opened
Equipped with the cavity 11 for the resonance of the voice amplification for loudspeaker 2, which is connected to mounting hole 12, the inner wall of the cavity 11
Equipped with the sound-absorbing material layer 111 for filtering noise, the sound-absorbing material layer 111 is fired by the sponge for being adsorbed with pottery mud or porcelain mud
And form (it is understood that sponge can be by scorification after fired, sound-absorbing material layer is finally ceramic sound-absorbing material layer), i.e.,
Make the sponge for being adsorbed with pottery mud or porcelain mud is fired can form the sound-absorbing material layer 111, is set on the sound-absorbing material layer 111
There are multiple through-holes being connected to cavity 11, so that the sound-absorbing material layer 111 is formed as loose porous structure, between multiple through-holes
It is interconnected, to be capable of increasing surface area, improves erasure effect.
The sound-absorbing principle of sorbing material layer is as follows: sound can go deep into the through-hole of the sound-absorbing material layer 111, by air molecule
Friction and viscosity resistance effect, and make mechanical oscillation in the sound-absorbing material layer 111, so that sound be enable to be changed into thermal energy.Tool
Body, when sound can be passed to 111 surface of sound-absorbing material layer, sound a part of can be reflected, and a part penetrates the sound-absorbing material layer
111, there are also a vibration or sound due to sound-absorbing material layer 111 is propagated in cavity 11 when and surrounding medium friction, by sound
It can be converted to thermal energy, sound can be depleted, i.e., usually said noise (sound that noise includes reflection and irregular reference) is absorbed,
Achieve the purpose that filter noise, so that the sound amplified through cavity 11 is more clear-cut, limpid.
Cabinet is used as by using ceramic shell 1, the cabinet of ceramic material can be held since density is high, rigidity is good
By strong vibration, in addition, can also have as using the density of cabinet made of ceramic material high, rigid good
The resonance generated after the ceramic loudspeaker box is motivated that contends with is imitated, makes the damping action of loudspeaker 2 and air preferably according to high-fidelity
The frequency response curve requirement of sound equipment, makes the sound and vibration of loudspeaker 2 be in ideal state, while keeping Δ t smaller, to raising speaker
Transient response, with high fidelity reproduce music true qualities, play the role of to the electroacoustic techniques index of speaker it is positive, in addition, by
Be porous structure in ceramics, there is good acoustic characteristic, when indsole 2 playback of loudspeaker, middle low frequency music in cavity 11 altogether
The external world is transmitted to after airing of views is big, tone color is limpider, graceful, in addition the inner wall of cavity 11 is equipped with one layer by being adsorbed with pottery mud
The sound-absorbing material layer 111 that is made of sponge, and the sound-absorbing material layer 111 is porous structure, can play preferable suction
Audio fruit can filter noise, and can be with ceramics by the sound-absorbing material layer 111 that sponge and pottery mud or porcelain mud material are made
Shell 1 is fired together, is had the advantages that preparation is easy, can be substantially reduced difficulty of processing, improves processing efficiency.
As preferred embodiment, the inner wall of sound-absorbing material layer 111 is rough arc-shaped curved surface, uneven
Arc-shaped curved surface can play the role of increase the sound-absorbing material layer 111 inner wall surface area, so that the inner wall can be improved
The probability in face and acoustic contact, then raising sound can be converted to the probability of thermal energy, and sound-absorbing effect is more preferable.
As preferred embodiment, colored glaze layer is wrapped up in the outer surface of ceramic shell 1, to be capable of forming glazed ceramic shell
Body 1, glazed ceramic shell 1 do not fear rainwater, have good outdoor weather resistance, can be suitable for outdoor loudspeaker box, and glaze is made pottery
Porcelain shell 1 is rich in color, texture is strong, sense of touch is plump, visual impression is abundant, speaker can be made colourful effect.
As preferred embodiment, the outside wall surface of ceramic shell 1 extends outwardly the frame 21 to be formed for loudspeaker 2
The annular protrusion 13 of connection, annular protrusion 13 is fitted around the edge setting in hole 12, and the top surface of the annular protrusion 13 is and raises
The frame 21 of sound device 2 bottom surface fitting plane in this way, can centering low frequency ceramic shell 1 play the role of positioning so that
The installation of the loudspeaker 2 is more firm.
As preferred embodiment, several central axis around annular protrusion 13 are offered on annular protrusion 13 and are successively set
The location hole 131 set, threaded hole and the positioning when loudspeaker 2 is installed on mounting hole 12, on the frame 21 of the loudspeaker 2
Hole 131 is aligned, and is then sequentially passed through threaded hole, location hole 131 by screw again, loudspeaker 2 can be fixed on ceramic shell 1
On.
As preferred embodiment, mounting hole 12 is located at the side wall of ceramic shell 1, in order to the installation of loudspeaker 2.
As preferred embodiment, the top of ceramic shell 1 offers connection cavity 11 and extraneous opening, convenient for system
While work, it is thus also avoided that the opening is opened in the side of ceramic shell 1 and influences the monnolithic case of the ceramic shell 1, makes
The ceramic loudspeaker box is more beautiful, and decorative effect is more preferable.
As preferred embodiment, the side wall of the bottom of ceramic shell 1 extends outwardly to form collet 14, to give the ceramics
Shell 1 provides stable support construction, so that the placement of the ceramic shell 1 is more stable.
As preferred embodiment, the receiving of the power supply line 22 for storing loudspeaker 2 is also provided on ceramic shell 1
Slot, holding tank are connected to cavity 11, and the opening of holding tank is removably equipped with end cap, in this way, as do not used the ceramic loudspeaker box
When, the power supply line 22 of loudspeaker 2 can be stored to the holding tank, and one can be to avoid dust accumulation, second is that can make the ceramic loudspeaker box
It is used as an ornament, shape is more beautiful.
Specifically, the present invention mentioned by loudspeaker 2 can for woofer 2, mid frequency ludspeaker 2, tweeter 2 or
Any one in middle woofer 2, and in the present embodiment, the loudspeaker 2 preferably in woofer 2.
Ceramic loudspeaker box provided by the present invention has the advantages that
1, can bear strong vibration: by using ceramic shell 1 as cabinet, the cabinet of ceramic material is due to density
It is high, rigid good, therefore strong vibration can be born, the service life is longer；
2, hi-fi reproduction:, can also as using the density of cabinet made of ceramic material high, rigid good
Effectively contend with the resonance generated after the ceramic loudspeaker box is motivated, protects the damping action of loudspeaker 2 and air preferably according to height
The frequency response curve requirement of true sound equipment, makes the sound and vibration of loudspeaker 2 be in ideal state, while keeping Δ t smaller, to raising sound
The transient response of case, true qualities, the electroacoustic techniques index of high speaker for high fidelity reproducing music play the role of positive；
3, plasticity is strong: the shell of ceramic material is easier to mould various irregular, organic, bionical for it
It is complicated form for its material, design sound box can be removed in the form of audio is most perfect；
4, the shell acid and alkali-resistance of ceramic material, high temperature resistant, glazed ceramic shell 1 do not fear rainwater, have outdoor resistance to well
Hou Xing is applicable to production outdoor loudspeaker box；
5, the decorative means of the shell of ceramic material are abundant, rich in color, texture is strong, sense of touch is plump, visual impression is abundant,
Speaker can be made colourful effect；
6, can be by the way of die forming in production, casting or hand-pressing forming, batch production easy to accomplish；
7, sound-absorbing effect is preferable, may filter that noise: since ceramics are porous structure, having good acoustic characteristic, indsole
When 2 playback of loudspeaker, middle low frequency music is transmitted to the external world after sympathetic response amplification in cavity 11, and tone color is limpider, in addition leading note
The inner wall of conducting is equipped with sound-absorbing material layer 111 made of one layer of sponge as being adsorbed with pottery mud, and the sound-absorbing material layer
111 be porous structure, and quality is big, density is big, preferable sound-absorbing effect can be played, to may filter that noise；
8, it is easy to make: can be burnt together with ceramic shell 1 by the sound-absorbing material layer 111 that sponge is made with pottery mud material
System has the advantages that preparation is easy, can substantially reduce difficulty of processing, improves processing efficiency.
To sum up, which carries out acoustic domains research from the angle of the material technology of ceramics, utilizes the grace of ceramics
Acoustic characteristic, the aesthetic value of display art's product and acoustic product utility function are combined, the machine of ceramic loudspeaker box is made
Device sense farthest disappears, the utility function of existing speaker, and is display art's product with aesthetic value.
The above embodiment is only the preferred embodiment of the present invention, and the scope of protection of the present invention is not limited thereto,
The variation and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention
Claimed range.
Claims (10)
1. ceramic loudspeaker box, which is characterized in that including ceramic shell and loudspeaker, the ceramic shell is offered for installing
The mounting hole of loudspeaker is stated, the ceramic shell is also provided with the cavity amplified for the resonance of the voice for the loudspeaker, institute
It states cavity to be connected to the mounting hole, the inner wall of the cavity is equipped with the sound-absorbing material layer for filtering noise, the sound absorber
The bed of material is fired and is formed by the sponge for being adsorbed with pottery mud or porcelain mud, and the sound-absorbing material layer is connected to equipped with multiple with cavity
Through-hole.
2. ceramic loudspeaker box as described in claim 1, which is characterized in that the inner wall of the sound-absorbing material layer is rough
Arc-shaped curved surface.
3. ceramic loudspeaker box as described in claim 1, which is characterized in that wrap up colored glaze layer in the outer surface of the ceramic shell.
4. ceramic loudspeaker box as described in claim 1, which is characterized in that the outside wall surface of the ceramic shell extends outwardly to form use
In the annular protrusion connecting with the frame of the loudspeaker, the annular protrusion is arranged around the edge of the mounting hole, and institute
The top surface for stating annular protrusion is the plane being bonded with the bottom surface of the frame of the loudspeaker.
5. ceramic loudspeaker box as described in claim 1, which is characterized in that multiple through-holes are interconnected.
6. ceramic loudspeaker box as described in claim 1, which is characterized in that the mounting hole is located at the side wall of the ceramic shell.
7. ceramic loudspeaker box as described in claim 1, which is characterized in that offer the connection chamber at the top of the ceramic shell
Body and extraneous opening.
8. ceramic loudspeaker box as described in claim 1, which is characterized in that the side wall of the bottom of the ceramic shell extends outwardly shape
At collet.
9. ceramic loudspeaker box as described in claim 1, which is characterized in that be also provided on the ceramic shell described for storing
The holding tank of the power supply line of loudspeaker, the holding tank are connected to the cavity, and the opening of the holding tank is removably set
There is end cap.
10. ceramic loudspeaker box as described in claim 1, which is characterized in that the loudspeaker is middle woofer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910700213.8A CN110460933A (en) | 2019-07-31 | 2019-07-31 | Ceramic loudspeaker box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910700213.8A CN110460933A (en) | 2019-07-31 | 2019-07-31 | Ceramic loudspeaker box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110460933A true CN110460933A (en) | 2019-11-15 |
Family
ID=68484245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910700213.8A Pending CN110460933A (en) | 2019-07-31 | 2019-07-31 | Ceramic loudspeaker box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110460933A (en) |
-
2019
- 2019-07-31 CN CN201910700213.8A patent/CN110460933A/en active Pending
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