CN209330393U - A kind of ultra-wideband sounding device - Google Patents
A kind of ultra-wideband sounding device Download PDFInfo
- Publication number
- CN209330393U CN209330393U CN201821421194.2U CN201821421194U CN209330393U CN 209330393 U CN209330393 U CN 209330393U CN 201821421194 U CN201821421194 U CN 201821421194U CN 209330393 U CN209330393 U CN 209330393U
- Authority
- CN
- China
- Prior art keywords
- microphone device
- ultra
- mentioned
- passive
- frequency
- 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.)
- Active
Links
Abstract
The utility model embodiment discloses a kind of ultra-wideband sounding device, which includes: active microphone device；Wherein, active microphone device is middle low-frequency audible signal device part or high frequency microphone device；Passive microphone device；Wherein, passive microphone device is middle low-frequency audible signal device part or high frequency microphone device；Sound chamber；Wherein, active microphone device and passive microphone device are all set in sound chamber.
Description
Technical field
The utility model relates to super wide frequency technology field more particularly to a kind of ultra-wideband sounding devices.
Background technique
The audio range that 2G or 3G communicating tech uses is 300Hz-3.4KHz, and the audio range that VoLTE is used is 50Hz-
7KHz, audio range are wider, so that the higher sound of range can be clearly presented.Meanwhile wideband (Wide Band,
WB) and ultra-wideband (Super Wide Band, SWB) voice technology application can be used in converse audio raising, the technology
Bandwidth is four times of traditional call, is twice of high definition voice communication audio bandwidth.
Although the prior art realizes ultra-wideband agreement from software aspects, however, in hardware aspect without correlation
Device realize ultra-wideband, to can not really expand audio range, sound effect can not be improved.
Utility model content
In view of this, the utility model embodiment provides a kind of ultra-wideband sounding device, audio range can be expanded, from
And sound effect can be effectively improved.
The technical solution of the utility model embodiment is achieved in that
The utility model embodiment provides a kind of ultra-wideband sounding device, and the ultra-wideband sounding device includes:
Active microphone device；Wherein, the active microphone device is middle low-frequency audible signal device part or high frequency microphone device；
Passive microphone device；Wherein, the passive microphone device is the middle low-frequency audible signal device part or the high frequency sounding
Device；
Sound chamber；Wherein, the active microphone device and the passive microphone device are all set in the sound chamber.
In the above scheme, the active microphone device configured with the first top dome, the first vibrating diaphragm, voice coil, washer, magnet,
Frame；Wherein, first top dome is bonded on first vibrating diaphragm.
In the above scheme, the passive microphone device is configured with the second top dome and the second vibrating diaphragm；Wherein, second ball
Top is bonded on second vibrating diaphragm.
In the above scheme, gas is generated in the sound chamber when voice coil in the active microphone device is shaken
Stream.
In the above scheme, the air-flow in the sound chamber instigates second vibrating diaphragm in the passive microphone device
It is vibrated.
In the above scheme, when the active microphone device is middle low-frequency audible signal device part,
The washer includes annular washer and center washer；
The magnet includes side magnet and centring magnet.
In the above scheme, when the active microphone device is high frequency microphone device,
First top dome is racetrack up concave type；
The center of first vibrating diaphragm is hollow type；
The center of the washer is hollow type.
In the above scheme, when the passive microphone device is as high frequency microphone device,
Second top dome is racetrack up concave type；
The center of second vibrating diaphragm is hollow type.
In the above scheme, the ultra-wideband sounding device further include: isolating device,
The isolating device is set in the sound chamber；Wherein, the isolating device is wedge shape.
In the above scheme, the active microphone device is also configured with shell, pad and frame.
The utility model provides a kind of ultra-wideband sounding device, which includes: active microphone device；
Wherein, active microphone device is middle low-frequency audible signal device part or high frequency microphone device；Passive microphone device；Wherein, passive acoustical generator
Part is middle low-frequency audible signal device part or high frequency microphone device；Sound chamber；Wherein, active microphone device and passive microphone device are all set in
In sound chamber.As it can be seen that active microphone device and passive microphone device are bound to same using the technical solution of above-mentioned utility model
In a sound chamber, passive microphone device can be driven by active microphone device, realize active microphone device and passive microphone device
High frequency and middle low frequency audio are controlled respectively, so as to expand audio range, ultra-wideband voice are realized, so that playing music outside
Richness gets a promotion.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram one of ultra-wideband sounding device provided by the embodiment of the utility model；
Fig. 2 is a kind of schematic diagram two of ultra-wideband sounding device provided by the embodiment of the utility model；
Fig. 3 is the composed structure schematic diagram one for the active microphone device that the utility model embodiment proposes；
Fig. 4 is the composed structure schematic diagram two for the active microphone device that the utility model embodiment proposes；
Fig. 5 is the composed structure schematic diagram three for the active microphone device that the utility model embodiment proposes；
Fig. 6 is the composed structure schematic diagram four for the active microphone device that the utility model embodiment proposes；
Fig. 7 is the composed structure schematic diagram one for the passive microphone device that the utility model embodiment proposes；
Fig. 8 A is the front view one for the passive microphone device that the utility model embodiment proposes；
Fig. 8 B is the side view one for the passive microphone device that the utility model embodiment proposes；
Fig. 8 C is the dorsal view one for the passive microphone device that the utility model embodiment proposes；
Fig. 8 D is the sectional view one for the passive microphone device that the utility model embodiment proposes；
Fig. 9 is the composed structure schematic diagram two for the passive microphone device that the utility model embodiment proposes；
Figure 10 A is the front view two for the passive microphone device that the utility model embodiment proposes；
Figure 10 B is the side view two for the passive microphone device that the utility model embodiment proposes；
Figure 10 C is the side view three for the passive microphone device that the utility model embodiment proposes；
Figure 10 D is the dorsal view two for the passive microphone device that the utility model embodiment proposes；
Figure 10 E is the sectional view two for the passive microphone device that the utility model embodiment proposes；
Figure 11 is frequency response curve one；
Figure 12 is frequency response curve two；
Figure 13 is ultra-wideband audible curve figure；
Figure 14 is the schematic diagram one for the terminal that the utility model embodiment proposes；
Figure 15 is the schematic diagram two for the terminal that the utility model embodiment proposes；
Figure 16 is the composite structural diagram one of frequency division system in the utility model embodiment；
Figure 17 is the composite structural diagram two of frequency division system in the utility model embodiment；
Figure 18 is the composite structural diagram three of frequency division system in the utility model embodiment.
Description of symbols
1: ultra-wideband sounding device；
11: active microphone device；
111: the first top domes；
112: the first vibrating diaphragm voice coils；
113: voice coil；
114: washer；
115: magnet；
116: frame 116；
117: shell 117；
118: pad；
119: frame；
12: passive microphone device；
121: the second top domes；
122: the second vibrating diaphragms；
13: sound chamber；
14: isolating device；
2: frequency division system；
21: audio codec；
22: audio frequency power amplifier；
23: frequency divider；
24: phonation unit.
Specific embodiment
The utility model proposes ultra-wideband sounding device can be adapted in the several scenes of terminal device, for example, should
Ultra-wideband sounding device can be applied to hand-free call scene and multimedia scene, implement below in conjunction with the utility model
Attached drawing in example, the technical scheme in the utility model embodiment is clearly and completely described.
Embodiment one
The utility model embodiment provides a kind of ultra-wideband sounding device, and Fig. 1 is provided by the embodiment of the utility model one
The schematic diagram one of kind ultra-wideband sounding device, as shown in Figure 1, above-mentioned ultra-wideband sounding device 1 may include: active microphone device
11, passive microphone device 12 and sound chamber 13.
Further, in the embodiments of the present invention, above-mentioned active microphone device 11 can be used as middle low frequency sounding
Device, above-mentioned active microphone device 11 can also be used as high frequency microphone device.
Further, in the embodiments of the present invention, above-mentioned passive microphone device 12 can be used as middle low frequency sounding
Device, above-mentioned passive microphone device 12 can also be used as high frequency microphone device.
Further, in the embodiments of the present invention, above-mentioned active microphone device 11 and above-mentioned passive microphone device
12 can be set in above-mentioned sound chamber 13.
It should be noted that in the embodiments of the present invention, above-mentioned active microphone device 11 and above-mentioned passive sounding
Device 12 can be respectively high frequency microphone device and middle low-frequency audible signal device part, so as to expand audio range, and then realize super
Wideband sound gets a promotion so that playing music outside richness, and the user experience is improved.
Further, in the embodiments of the present invention, the vibration of above-mentioned passive microphone device 12 is by above-mentioned active
The air-flow generated when the voice coil vibrations of microphone device 11 passes to above-mentioned passive microphone device 12 by sound chamber 13, and air-flow is instigated
State the diaphragm oscillations of passive microphone device 12.It, can be with that is, be set to above-mentioned active microphone device 11 in above-mentioned sound chamber 13
Air-flow is generated in above-mentioned sound chamber 13 by voice coil vibrations, which passes to above-mentioned passive microphone device by above-mentioned sound chamber 13
Vibrating diaphragm in 12 is vibrated, so that above-mentioned 12 sounding of passive microphone device can be driven.
It should be noted that the pipe design of sound chamber 13 is adjustable above-mentioned active in the embodiments of the present invention
The vibration phase of microphone device 11 and above-mentioned passive microphone device 12 makes above-mentioned active microphone device 11 and above-mentioned passive sounding
The vibration or simultaneously vibration downwards upwards simultaneously of device 12.Specifically, in the embodiments of the present invention, above-mentioned active sounding
The air-flow amplitude generated when device 11 and the vibration downwards simultaneously of above-mentioned passive microphone device 12 is equal in magnitude, contrary, energy
It is offseted, above-mentioned active microphone device 11 and above-mentioned passive microphone device 12 is avoided to interfere with each other.
Fig. 2 is a kind of schematic diagram two of ultra-wideband sounding device provided by the embodiment of the utility model, as shown in Fig. 2, on
State ultra-wideband sounding device 1 further include: isolating device 14.
It should be noted that isolating device 14 is set to above-mentioned sound chamber 13 in the embodiments of the present invention.
Further, in the embodiments of the present invention, above-mentioned isolating device 14 is wedge shape.
It should be noted that in the embodiments of the present invention, in order to solve above-mentioned 12 driving force of passive microphone device
Insufficient problem, the embodiments of the present invention propose the structure of sounding device as shown in Figure 2 above, i.e., multiple above-mentioned to have
Source microphone device 11 drives above-mentioned passive microphone device 12 jointly, and as shown in above-mentioned Fig. 2, phonation unit A and phonation unit B are
Above-mentioned active microphone device 11, and it is mutually indepedent；Phonation unit C is above-mentioned passive microphone device 12, and three collective effects are in one
In a sound chamber 13, air-flow that the isolated location 14 that taper structure designs in sound chamber 13 generates phonation unit A and phonation unit B into
Row isolation.So that the air-flow that above-mentioned two vibration of active microphone device 11 generates, converges at sound chamber by isolated location 14
In, and drive the air-flow of above-mentioned passive microphone device 12 to be superimposed and increase, guarantee has enough energy to drive above-mentioned passive acoustical generator
Part 12.
In the embodiments of the present invention, further, Fig. 3 is the active acoustical generator that the utility model embodiment proposes
The composed structure schematic diagram one of part, as shown in figure 3, in the embodiments of the present invention, active microphone device 11 is configured with the
One top dome 111, the first vibrating diaphragm 112, voice coil 113, washer 114, magnet 115, frame 116, shell 117, pad 118 and basin
Frame 119.
It should be noted that above-mentioned first top dome 111 is bonded to above-mentioned first vibrating diaphragm in the embodiments of the present invention
On 112.
In the embodiments of the present invention, further, when low-frequency audible signal device in the above-mentioned active conduct of microphone device 11
When part, it is based on above-mentioned Fig. 3, Fig. 4 is the composed structure schematic diagram two for the active microphone device that the utility model embodiment proposes, such as
Shown in Fig. 4, in the embodiments of the present invention, Fig. 4 is the sectional view of the active microphone device in above-mentioned Fig. 3.
It should be noted that above-mentioned Fig. 3 is based on, when above-mentioned active microphone device 11 in the embodiments of the present invention
When as middle low-frequency audible signal device part, above-mentioned washer 114 may include annular washer 114a and center washer 114b.
It should be noted that above-mentioned Fig. 3 is based on, when above-mentioned active microphone device 11 in the embodiments of the present invention
When as middle low-frequency audible signal device part, above-mentioned magnet 115 may include side magnet 115a and centring magnet 115b.
It should be noted that above-mentioned Fig. 3 is based on, when above-mentioned active microphone device 11 in the embodiments of the present invention
When as middle low-frequency audible signal device part, formula is calculated according to phonation unit resonance frequency, i.e. formula (1) can obtain audible frequency:
Wherein, f0For acoustic resonance frequencies, MmsFor oscillating mass, CmsIt is pliable.Specifically, MmsIncluding voice coil, top dome,
The quality such as vibrating diaphragm；Cms then depends on the design shape of vibrating diaphragm material and vibrating diaphragm ring.According to above-mentioned formula (1) it is found that can lead to
Cross increase MmsTo reach lower f0, that is, increase voice coil quality, thus bring loss of sensitivity, can increase by external circuit
Driving voltage is added to make up loss of sensitivity to reach.
In the embodiments of the present invention, further, when above-mentioned active microphone device 11 is used as high frequency microphone device
When, Fig. 5 is the composed structure schematic diagram three for the active microphone device that the utility model embodiment proposes, is based on above-mentioned Fig. 5, Fig. 6
For the utility model embodiment propose active microphone device composed structure schematic diagram four, as shown in fig. 6, in the utility model
Embodiment in, Fig. 6 be above-mentioned Fig. 5 in active microphone device sectional view.
It should be noted that above-mentioned Fig. 6 is based on, when above-mentioned active microphone device 11 in the embodiments of the present invention
When as high frequency microphone device, above-mentioned first top dome 111 is the design of racetrack up concave type, and the center of above-mentioned first vibrating diaphragm 112 is
Hollow type design, is adhered on above-mentioned first vibrating diaphragm 112 so as to match above-mentioned first top dome 111.Specifically, above-mentioned first
111 up concave type of top dome designs the rigidity for increasing above-mentioned first top dome 111；Above-mentioned first vibrating diaphragm 112 is not likely to produce point when vibrating
Vibration is cut, directive property is strong, and frequency band is widened.
Further, in the embodiments of the present invention, the recessed depth of above-mentioned first top dome 111 is deeper, and frequency is higher,
Wherein, the recessed depth of above-mentioned first top dome 111 depends on the material of top dome, and above-mentioned first top dome, 111 material can be chosen
The harder material such as magnesium alloy.
Further, in the embodiments of the present invention, above-mentioned washer 114 can use center hollow design, thus
It can guarantee the downward oscillation space safe distance of above-mentioned first vibrating diaphragm 112, avoid wiping when vibration and touch noise.
In the embodiments of the present invention, further, Fig. 7 is the passive acoustical generator that the utility model embodiment proposes
The composed structure schematic diagram one of part, as shown in fig. 7, in the embodiments of the present invention, passive microphone device 12 is configured with the
Two top domes 121 and the second vibrating diaphragm 122.
It should be noted that above-mentioned second top dome 121 is bonded to above-mentioned second vibrating diaphragm in the embodiments of the present invention
On 122.
In the embodiments of the present invention, further, when low-frequency audible signal device in the above-mentioned passive conduct of microphone device 12
When part, be based on above-mentioned Fig. 7, Fig. 8 A, Fig. 8 B, Fig. 8 C and Fig. 8 D be above-mentioned Fig. 7 in passive microphone device multi-angle view,
Wherein, Fig. 8 A is the front view one for the passive microphone device that the utility model embodiment proposes, Fig. 8 B is the utility model implementation
The side view one for the passive microphone device that example proposes, Fig. 8 C are the back view for the passive microphone device that the utility model embodiment proposes
Figure one, Fig. 8 D are the sectional view one for the passive microphone device that the utility model embodiment proposes.
It should be noted that above-mentioned Fig. 7 is based on, when above-mentioned passive microphone device 12 in the embodiments of the present invention
When as middle low-frequency audible signal device part, above-mentioned passive 12 low frequency audio of microphone device is completely by above-mentioned second vibrating diaphragm, 122 ring shape
It is determined with material, above-mentioned second vibrating diaphragm 122 can choose silica gel material, choose the lesser silica gel of hardness or polyesters material
Deng so as to increase the pliable C of above-mentioned second vibrating diaphragm 122ms, it is based on above-mentioned formula (1), CmsIncrease, f0It reduces, it can
Effectively control low frequency.
In the embodiments of the present invention, further, when above-mentioned passive microphone device 12 is used as high frequency microphone device
When, Fig. 9 is the composed structure schematic diagram two for the passive microphone device that the utility model embodiment proposes, as shown in figure 9, based on upper
State Fig. 9, Figure 10 A, Figure 10 B, the multi-angle view that Figure 10 C and Figure 10 D are the passive microphone device in above-mentioned Fig. 9, wherein
Figure 10 A is the front view two for the passive microphone device that the utility model embodiment proposes, Figure 10 B mentions for the utility model embodiment
The side view two of passive microphone device out, Figure 10 C are the side view for the passive microphone device that the utility model embodiment proposes
Three, Figure 10 D are the dorsal view two for the passive microphone device that the utility model embodiment proposes, Figure 10 E is the utility model implementation
The sectional view two for the passive microphone device that example proposes.
It should be noted that above-mentioned Figure 10 is based on, when above-mentioned passive microphone device 12 in the embodiments of the present invention
When as high frequency microphone device, above-mentioned second top dome 121 is the design of racetrack up concave type, and the center of above-mentioned second vibrating diaphragm 122 is
Hollow type design, is adhered on above-mentioned second vibrating diaphragm 122 so as to match above-mentioned second top dome 121.Specifically, above-mentioned second
121 up concave type of top dome designs the rigidity for increasing above-mentioned second top dome 121；Above-mentioned second vibrating diaphragm 122 is not likely to produce point when vibrating
Vibration is cut, directive property is strong, and frequency band is widened.
Further, in the embodiments of the present invention, the recessed depth of above-mentioned second top dome 121 is deeper, and frequency is higher,
Wherein, the recessed depth of above-mentioned second top dome 121 depends on the material of top dome, and above-mentioned second top dome, 121 material can be chosen
The harder material such as magnesium alloy.
It should be noted that in the embodiments of the present invention, above-mentioned active microphone device 11 and above-mentioned passive sounding
Device 12 respectively controls audible frequency, i.e., when above-mentioned active microphone device 11 is as high frequency microphone device, above-mentioned nothing
Source microphone device 12 is then middle low-frequency audible signal device part；It is above-mentioned when low-frequency audible signal device part in the above-mentioned active conduct of microphone device 11
Passive microphone device 12 then plays music outside richness and is mentioned for high frequency microphone device so that ultra-wideband voice can be realized
It rises, the user experience is improved.
Further, in the embodiments of the present invention, the first top dome 111 in above-mentioned active microphone device 11,
The components such as one vibrating diaphragm 112, voice coil 113, washer 114, magnet 115 and frame 116 can form a driving unit, so as to
To drive the second vibrating diaphragm 122 of above-mentioned passive microphone device 12 to generate vibration.
It should be noted that above-mentioned passive microphone device 12 can both only include one in the embodiments of the present invention
A above-mentioned second vibrating diaphragm 122；It also may include above-mentioned first top dome 121 and above-mentioned second vibrating diaphragm 122.
The utility model provides a kind of ultra-wideband sounding device, which includes: active microphone device；
Wherein, active microphone device is middle low-frequency audible signal device part or high frequency microphone device；Passive microphone device；Wherein, passive acoustical generator
Part is middle low-frequency audible signal device part or high frequency microphone device；Sound chamber；Wherein, active microphone device and passive microphone device are all set in
In sound chamber.As it can be seen that active microphone device and passive microphone device are bound to same using the technical solution of above-mentioned utility model
In a sound chamber, passive microphone device can be driven by active microphone device, realize active microphone device and passive microphone device
High frequency and middle low frequency audio are controlled respectively, so as to expand audio range, ultra-wideband voice are realized, so that playing music outside
Richness gets a promotion.
Embodiment two
Based on the above embodiment one, on the basis of above-mentioned ultra-wideband sounding device 1 shown in FIG. 1, when above-mentioned active sounding
Device 11 is used as high frequency microphone device, and when above-mentioned passive microphone device 12 is middle low-frequency audible signal device part, Figure 11 is frequency response curve one,
Figure 12 is frequency response curve two, and as shown in above-mentioned Figure 11 and above-mentioned Figure 12, the corresponding audible frequency of above-mentioned active microphone device 11 is
4KHz-40KHz, the corresponding audible frequency of above-mentioned passive microphone device 12 are that 100Hz-4KHz is based on above-mentioned Figure 11 and above-mentioned figure
12, Figure 13 be ultra-wideband audible curve figure, and as shown in figure 13, ultra-wideband voice may be implemented in above-mentioned ultra-wideband sounding device 1, from
And it can be promoted and play music outside richness.
Further, on the basis of above-mentioned ultra-wideband sounding device 1 shown in FIG. 1, the utility model embodiment is proposed
A kind of terminal, wherein above-mentioned ultra-wideband sounding device is integrated in the terminal.
Figure 14 is that the schematic diagram one for the terminal that the utility model embodiment proposes can configure in terminal as shown in figure 14
Have an above-mentioned ultra-wideband sounding device 1, wherein above-mentioned ultra-wideband sounding device 1 can by just go out sound, carry on the back out sound and or
The mode that person side goes out sound carries out sounding.
Figure 15 is that the schematic diagram two for the terminal that the utility model embodiment proposes can configure in terminal as shown in figure 15
There are two above-mentioned ultra-wideband sounding devices 1, to realize stereo scheme, wherein above-mentioned two ultra-wideband sounding device 1 equally may be used
By just going out sound, carrying on the back out sound and/or carrying out sounding in a manner of side goes out sound.
The utility model provides a kind of ultra-wideband sounding device, which includes: active microphone device；
Wherein, active microphone device is middle low-frequency audible signal device part or high frequency microphone device；Passive microphone device；Wherein, passive acoustical generator
Part is middle low-frequency audible signal device part or high frequency microphone device；Sound chamber；Wherein, active microphone device and passive microphone device are all set in
In sound chamber.As it can be seen that active microphone device and passive microphone device are bound to same using the technical solution of above-mentioned utility model
In a sound chamber, passive microphone device can be driven by active microphone device, realize active microphone device and passive microphone device
High frequency and middle low frequency audio are controlled respectively, so as to expand audio range, ultra-wideband voice are realized, so that playing music outside
Richness gets a promotion.
Embodiment three
To solve the problems, such as that coding techniques causes audio radio-frequency component to be lost, we can propose two schemes by the utility model
Optimize, wherein a kind of scheme be through the foregoing embodiment one and above-described embodiment two in ultra-wideband sounding device 1 realize
Ultra-wideband voice, another scheme are then to realize ultra-wideband voice by frequency splitting technology.
Further, the frequency splitting technology that the utility model embodiment proposes is that a kind of combination of multiple-unit phonation unit realizes super
The scheme of wideband sound.Specifically, multiple-unit phonation unit can be respectively bass unit phonation unit, alto units sounding list
Member and voice unit phonation unit, can be controlled separately the low frequency, intermediate frequency and high frequency of audio signal, using same power amplifier or not
Multiple-unit phonation unit is driven with power amplifier, and reaches the mesh of high sensitivity, bandwidth using the characteristics of different units phonation unit
Mark realizes ultra-wideband voice, promotes user experience.
Further, in the embodiments of the present invention, above-mentioned frequency splitting technology can be applied to the hands-free of terminal device
Call and multimedia scene drive multiple-unit phonation unit by power amplifier, and multiple-unit phonation unit is low frequency cell sounding
Unit, alto units phonation unit and voice unit phonation unit filter out the extra of each unit phonation unit using frequency divider
Ingredient recycles different units phonation unit frequency response curve feature, forms the wide phonation unit of overclocking, the also protoplast of high-fidelity
Sound and music component, to realize ultra-wideband voice.
Figure 16 is the composite structural diagram one of frequency division system in the utility model embodiment, and as shown in figure 16, frequency division system 2 is main
It to be made of audio codec 21, audio frequency power amplifier 22, multiple frequency dividers 23, multiple phonation units 24.
It should be noted that in the embodiments of the present invention, phonation unit 24 can for earpiece and phonation unit and
Other can be with the device of sounding, and frequency divider 23 is by the way of in parallel.The sound exported by audio codec 1, audio frequency power amplifier 22
Frequency signal frequency range is 20Hz-20kHz, i.e. the human ear range of audibility.
Further, in the embodiments of the present invention, according to application scenarios difference, frequency divider 23 can be by 20Hz-
20kHz audio signal is divided into several band limits, and ultra-wideband voice and sound may be implemented in multiple co-operation of phonation unit 24
It is happy to play.
Further, in the embodiments of the present invention, in call scene, Figure 17 is in the utility model embodiment
The composite structural diagram two of frequency division system as shown in figure 17, can in order to identify more voice details when user makes a phone call
To use two distinctive phonation units 24, i.e. low frequency in phonation unit A and phonation unit B, phonation unit A control, sounding list
First B controls medium-high frequency, so as to which voice signal to be divided to the frequency range different for 100Hz-4kHz with 4kHz two above.It can
See, two sounding lists, 24 yuan of collective effects can preferably identify speaker characteristic.
Further, in the embodiments of the present invention, in multimedia scene, Figure 18 is the utility model embodiment
The composite structural diagram three of middle frequency division system, as shown in figure 18, when user is put outside using mobile phone to broadcast, song dynamic range
Width, in order to more by reduction song itself clear, abundant, can be used three distinctive phonation units 24, i.e. phonation unit C,
Phonation unit D and phonation unit E, phonation unit C control low frequency, and phonation unit D controls intermediate frequency, and phonation unit D control is high
Frequently, so as to which music signal to be divided to the frequency range different for 20Hz-1KHz, 1KHz-10kHz and 10kHz three above, i.e.,
Respectively represent low frequency, intermediate frequency and high frequency.As it can be seen that three phonation units 24 give full play to the frequency range advantage respectively having, group is carried out
Same sounding is amounted to, has both met the requirement of song wide dynamic range itself, and the loudness of song itself is guaranteed, thus real
The high-fidelity of song is showed.
As it can be seen that the utility model proposes frequency splitting technology and frequency division system, multiple phonation units in frequency division system can be with
Respectively bass unit phonation unit, alto units phonation unit and voice unit phonation unit, can be divided by frequency splitting technology
Not Kong Zhi audio signal low frequency, intermediate frequency and high frequency, drive multiple-unit phonation unit using same power amplifier or different power amplifier, and
Reach high sensitivity, the target of bandwidth using the characteristics of different units phonation unit, realize ultra-wideband voice, promotes user's body
It tests.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, the change that can be readily occurred in
Change or replace, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with described
Subject to scope of protection of the claims.
Claims (10)
1. a kind of ultra-wideband sounding device, which is characterized in that the ultra-wideband sounding device includes:
Active microphone device；Wherein, the active microphone device is middle low-frequency audible signal device part or high frequency microphone device；
Passive microphone device；Wherein, the passive microphone device is the middle low-frequency audible signal device part or the high frequency microphone device；
Sound chamber；Wherein, the active microphone device and the passive microphone device are all set in the sound chamber.
2. ultra-wideband sounding device according to claim 1, which is characterized in that
The active microphone device is configured with the first top dome, the first vibrating diaphragm, voice coil, washer, magnet, frame；Wherein, described first
Top dome is bonded on first vibrating diaphragm.
3. ultra-wideband sounding device according to claim 2, which is characterized in that
The passive microphone device is configured with the second top dome and the second vibrating diaphragm；Wherein, second top dome is bonded to described second
On vibrating diaphragm.
4. ultra-wideband sounding device according to claim 3, which is characterized in that
Air-flow is generated in the sound chamber when voice coil in the active microphone device is shaken.
5. ultra-wideband sounding device according to claim 4, which is characterized in that
The air-flow in the sound chamber is instigated second vibrating diaphragm in the passive microphone device and is vibrated.
6. ultra-wideband sounding device according to claim 2, which is characterized in that when the active microphone device is middle low frequency
When microphone device,
The washer includes annular washer and center washer；
The magnet includes side magnet and centring magnet.
7. ultra-wideband sounding device according to claim 2, which is characterized in that when the active microphone device takes place frequently for height
When acoustic device,
First top dome is racetrack up concave type；
The center of first vibrating diaphragm is hollow type；
The center of the washer is hollow type.
8. ultra-wideband sounding device according to claim 3, which is characterized in that when the passive microphone device is as high frequency
When microphone device,
Second top dome is racetrack up concave type；
The center of second vibrating diaphragm is hollow type.
9. ultra-wideband sounding device according to claim 1, which is characterized in that the ultra-wideband sounding device further include:
Isolating device,
The isolating device is set in the sound chamber；Wherein, the isolating device is wedge shape.
10. ultra-wideband sounding device according to claim 2, which is characterized in that
The active microphone device is also configured with shell, pad and frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821421194.2U CN209330393U (en) | 2018-08-30 | 2018-08-30 | A kind of ultra-wideband sounding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821421194.2U CN209330393U (en) | 2018-08-30 | 2018-08-30 | A kind of ultra-wideband sounding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209330393U true CN209330393U (en) | 2019-08-30 |
Family
ID=67706545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821421194.2U Active CN209330393U (en) | 2018-08-30 | 2018-08-30 | A kind of ultra-wideband sounding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209330393U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110719552A (en) * | 2019-10-25 | 2020-01-21 | 海鹰企业集团有限责任公司 | Low-frequency broadband high-power electrodynamic transducer |
-
2018
- 2018-08-30 CN CN201821421194.2U patent/CN209330393U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110719552A (en) * | 2019-10-25 | 2020-01-21 | 海鹰企业集团有限责任公司 | Low-frequency broadband high-power electrodynamic transducer |
| CN110719552B (en) * | 2019-10-25 | 2021-09-03 | 海鹰企业集团有限责任公司 | Low-frequency broadband high-power electrodynamic transducer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204993827U (en) | Loudspeaker module | |
| JP3193281U (en) | Piezoelectric speaker | |
| CN111031456B (en) | Point sound source module loudspeaker and manufacturing method thereof | |
| CN102577434A (en) | Systems and methods for acousto-haptic speakers | |
| CN201234277Y (en) | Mobile phone display screen | |
| CN101998216A (en) | Loudspeaker and portable electronic device | |
| CN101163351A (en) | Earphone | |
| CN205356673U (en) | Loudspeaker module group | |
| CN105072546A (en) | Motion sensing loudspeaker and motion sensing music pillow made of same | |
| CN101163350A (en) | Earphone | |
| CN206164794U (en) | Earphone | |
| CN106941650B (en) | Decouple loud-speaker diaphragm component, decoupling Microspeaker vibrating membrane and driver | |
| CN209330393U (en) | A kind of ultra-wideband sounding device | |
| KR20040011859A (en) | U shape vibro woofer which is wearing on shoulder | |
| CN206350046U (en) | The receiver and mobile phone of electronic product | |
| CN204425583U (en) | With the earphone horn of bass vibration | |
| CN201523448U (en) | Speaker and portable electronic equipment | |
| CN204090070U (en) | The horn structure that initiatively loud speaker is integrated with passive radiator and audio amplifier | |
| CN202957969U (en) | Soundbox | |
| CN205610868U (en) | Portable dull and stereotyped bass of initiative reinforcing earphone | |
| CN208940169U (en) | Earphone and headphone unit | |
| CN107277713B (en) | Loudspeaker with acoustic cavity | |
| KR101111100B1 (en) | A hi-end sound speaker unit for an earphone | |
| CN109151643A (en) | Earphone and headphone unit | |
| CN201608873U (en) | Electroacoustic sounder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |