CN205946129U - Wide band voiced sound chamber module - Google Patents
Wide band voiced sound chamber module Download PDFInfo
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- CN205946129U CN205946129U CN201620851403.1U CN201620851403U CN205946129U CN 205946129 U CN205946129 U CN 205946129U CN 201620851403 U CN201620851403 U CN 201620851403U CN 205946129 U CN205946129 U CN 205946129U
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Abstract
The utility model provides a wide band voiced sound chamber module, including high frequency module and well low frequency module, the high frequency includes miniature loudspeaker, well low frequency module includes well woofer harmony chamber, the sound chamber is used for embedding the speaker, offered on the sound chamber and be used for the mouth of speaking of well woofer radiation sound, miniature loudspeaker and well woofer are connected in same audio circuit, audio signal's high -frequency part is received to miniature loudspeaker, audio signal's well low frequency portion is received to well woofer to it speaks to realize the broadband audio frequency. The utility model discloses a wide band voiced sound chamber module can realize the broadband audio frequency and raise one's voice that the audio frequency effect becomes fuller.
Description
Technical field
The utility model is related to Audiotechnica, particularly to be the broadband sound that a kind of achievable audio frequency of broad band is play
Chamber module.
Background technology
Increasing electronic equipment, has the demand of audio external play function, particularly some miniaturized electronic devices at present,
E.g. mobile device.With mobile device pursue good looking appearance, take up room little, with mobile phone, as a example panel computer, loudspeaker
Outlet sound mouth spoken by original front and back and be changed to side frame and speak form, referring to Fig. 1 and Fig. 2, a speaker cavity 2 ' sets
Put in fuselage 1 ' bottom, sound hole 3 ' is opened on side frame.Although so making whole mobile phone or panel computer see in appearance
Carry out more fashion, but but far short of what is expected than original head-on radiation form on audio performance, and such structure design makes loudspeaker
High-frequency cut-off frequency very low, high frequency performance is very poor, referring to Fig. 3, medium and low frequency part can also normal work, but in high frequency
Part cannot perfect be reset so that the frequency bandwidth of product seriously reduces, and operating frequency is in high-frequency cut-off frequency Fh ' after frequency
Response dramatic decrease, such frequency bandwidth is substantially not enough, also can bring the problem of distortion spike in this frequency field simultaneously.
Utility model content
The utility model provides a kind of broadband sound chamber module, is capable of audio frequency of broad band and raises one's voice, audio frequency effect becomes
Fuller.
For solving the above problems, the utility model provides a kind of broadband sound chamber module, including high frequency module and medium and low frequency
Module；Described high frequency includes Microspeaker；Described medium and low frequency module includes medium and low frequency loudspeaker and sound chamber, within described sound chamber
Put medium and low frequency loudspeaker；The outlet sound mouth radiating sound in order to described medium and low frequency loudspeaker is offered on described sound chamber；Described miniature
Loudspeaker and medium and low frequency loudspeaker are connected in same voicefrequency circuit, and described Microspeaker receives the HFS of audio signal, institute
State the medium and low frequency part that medium and low frequency loudspeaker receives audio signal, spoken with realizing audio frequency of broad band.
According to an embodiment of the present utility model, described high frequency module and medium and low frequency mould splits are every being arranged on same fuselage
On, the position of the outlet sound mouth in speak position and described sound chamber of the corresponding Microspeaker of body shell offers sound hole.
According to an embodiment of the present utility model, the outlet sound mouth court in speak position and the described sound chamber of described Microspeaker
To the side frame setting of described body shell, the position of speak described in the side frame of body shell is corresponding position and outlet sound mouth opens up
There is described sound hole, spoken with realizing side frame audio frequency of broad band.
According to an embodiment of the present utility model, the outlet sound mouth in speak position and the described sound chamber of described Microspeaker sets
Put in the position on body shell on same side or not on same side.
According to an embodiment of the present utility model, the outlet sound mouth in described sound chamber sets towards the side frame of described body shell
Put, the position of speaking of described Microspeaker is arranged not towards the side frame of described body shell.
According to an embodiment of the present utility model, the receiver that described Microspeaker itself is configured using fuselage equipment
To realize.
According to an embodiment of the present utility model, described speak position and the corresponding sound hole of outlet sound mouth all has several.
According to an embodiment of the present utility model, the Microspeaker of described high frequency module does not set sound chamber.
According to an embodiment of the present utility model, described Microspeaker is Microspeaker or receiver.
According to an embodiment of the present utility model, in the front end circuit of described Microspeaker, it is connected with high-pass filter,
To filter the medium and low frequency part of audio signal.
According to an embodiment of the present utility model, in the front end circuit of described medium and low frequency loudspeaker, it is connected with LPF
Device, to filter the HFS in audio signal；The cut-off frequency of described low pass filter is more than or equal to described high-pass filter
Cut-off frequency.
After technique scheme, the utility model has the advantages that compared to existing technology：
With independent Microspeaker, the deficiency that high frequency is raised one's voice is compensated, is operated in the form of frequency dividing work,
Medium and low frequency part is responsible for by medium and low frequency loudspeaker, and Microspeaker is responsible for medium and low frequency loudspeaker itself playback not treble portion out,
Whole sound chamber module is ideally reset the audio signal of more wide-band.
The outlet sound mouth in speak position and the sound chamber of Microspeaker is set to, in the position of be aligned fuselage side frame, especially solve
The high frequency distortion problem of side frame sounding.
Brief description
Fig. 1 is a kind of structural representation of existing speaker cavity module；
Fig. 2 is the structural representation of the side frame of speaker cavity module of Fig. 1；
Fig. 3 is the audio frequency broadcasting work frequency response schematic diagram of the speaker cavity module of Fig. 1；
Fig. 4 is the structural representation of the broadband sound chamber module of the utility model embodiment；
Fig. 5 is the structural representation of the side frame of broadband sound chamber module of the utility model embodiment；
Fig. 6 is the audio frequency broadcasting work frequency response schematic diagram of the speaker cavity module of the utility model embodiment.
Specific embodiment
Understandable for enabling above-mentioned purpose of the present utility model, feature and advantage to become apparent from, below in conjunction with the accompanying drawings to this
The specific embodiment of utility model is described in detail.
Elaborate a lot of details in order to fully understand the utility model in the following description.But this practicality is new
Type can be much to implement different from alternate manner described here, and those skilled in the art can be new without prejudice to this practicality
Similar popularization is done, therefore the utility model is not embodied as being limited by following public in the case of type intension.
Referring to Fig. 4, the broadband sound chamber module of the utility model embodiment, including high frequency module and medium and low frequency module.High
Frequency module and medium and low frequency module are separate, and the position of cavity and shape are without limitation.High frequency module includes Microspeaker 31,
Medium and low frequency module includes sound chamber 22 and medium and low frequency loudspeaker 21, and sound chamber 22 is in order to built-in medium and low frequency medium and low frequency loudspeaker 21.Miniature
Loudspeaker 31 direct radiation sound.Sound chamber 22 offers outlet sound mouth (in figure is unmarked), raises one's voice for realizing the medium and low frequency in cavity
Device 21 is to external radiation sound.The quantity of outlet sound mouth and shape are without limitation.Also pipeline of speaking can be connected at outlet sound mouth, with more
Control direction of speaking well, the quantity of pipeline of speaking and shape also without limitation, can be straight tube or bend pipe or irregular shape
Pipeline of shape etc..
Wherein, Microspeaker 31 and medium and low frequency loudspeaker 21 are connected in same voicefrequency circuit.This voicefrequency circuit can be
Conventional voicefrequency circuit, the audio signal of generation is input in Microspeaker 31 and the front end circuit of medium and low frequency loudspeaker 21 and carries out
Audio frequency pre-processes.Microspeaker 31 receives the HFS of audio signal, and medium and low frequency loudspeaker 21 receives low in audio signal
Frequency part, is spoken with realizing audio frequency of broad band.In other words, Microspeaker 31 compensate for the high frequency deficiency of medium and low frequency loudspeaker 21
Defect, the high frequency performance of lifting sound chamber module, widen audio work frequency band so that audio frequency effect is more full.
In one embodiment, high frequency module and medium and low frequency mould splits be every being arranged on same fuselage 1, in general in order to
For the sake of attractive in appearance, cavity is provided in fuselage 1 enclosure interior.With continued reference to Fig. 4, Microspeaker 31 and sound chamber 22, medium and low frequency are raised
Sound device 21 is arranged on same fuselage 1.The position of the outlet sound mouth in speak position and sound chamber 22 of the corresponding Microspeaker 31 of fuselage 1 housing
Put and offer sound hole.Microspeaker 31 directly passes through sound hole sounding, and the medium and low frequency loudspeaker 21 in sound chamber 22 is from outlet sound mouth radiation sound
Sound, to outside sound hole, realizes sounding.Depending on the position with speak position and outlet sound mouth for the position of sound hole, if speaking position and speaking
Mouth is correspondingly positioned at fuselage 1 housing front or side or side frame towards fuselage 1 housing front or side or side frame, then sound hole.
Referring to Fig. 5, further, the outlet sound mouth in speak position and the sound chamber 22 of Microspeaker 31 is towards fuselage 1 housing
Side frame is arranged, and the position that the side frame of fuselage 1 housing corresponds to speak position and outlet sound mouth offers sound hole 11 and sound hole 12, with
Realize side frame audio frequency of broad band to speak.Concrete can be for example to open sound hole 11 and sound on the lower frame of fuselage 1 housing side frame
Hole 12.Both ensured the appearance looks elegant of fuselage 1, solve simultaneously existing fuselage 1 side frame speak presence high frequency cannot play, frequency band
Short of width, the problem of distortion spike, lift audio experience for a user, and process costs are relatively low, have well
Trade benefit.
Optionally, the position that the outlet sound mouth in speak position and the sound chamber 22 of Microspeaker 31 is arranged on fuselage 1 housing exists
On same side or not on same side.In other words, in general the side frame of fuselage 1 housing has four sides, miniature loudspeaker
31 outlet sound mouth in speak position and sound chamber 22 can be on different sides it is also possible on different sides.
The particular location at the position of speaking of Microspeaker 31 without limitation, can be arranged on the side frame of body shell
Upper it is also possible to not on side frame.Optionally, the outlet sound mouth in sound chamber is towards the side frame setting of body shell, Microspeaker 31
Speak position not towards fuselage 1 housing side frame arrange.
In one embodiment, the receiver that Microspeaker 31 itself can be configured using fuselage equipment is realizing.This
Sample, on the basis of the part not increasing equipment or space, only certain adjustment is done to circuit so that the HFS of audio frequency and
Low frequency part separately exports, you can realizes high frequency and supplies, and provides higher audio quality.
Microspeaker 31 speak position and the corresponding sound hole of outlet sound mouth 11 in sound chamber 22, sound hole 12 can have several
Hole is naturally it is also possible to be respectively one.Fuselage 1 can for can the electronic equipment raised one's voice of audio frequency, such as mobile phone, panel computer
Deng, but not limited to this.
Preferably, the Microspeaker of high frequency module does not set sound chamber, the Microspeaker being only separately provided.Microspeaker 31 can
Think Microspeaker or receiver, the loudspeaker that in medium and low frequency cavity 2, the medium and low frequency loudspeaker 21 of setting can be commonly used for fuselage.
Microspeaker is also little, thus does not account for a lot of space of fuselage, can be close to side frame, fuselage interior space configuration will not be produced
Considerable influence.
It is connected with high-pass filter, to filter the medium and low frequency part of audio signal in the front end circuit of Microspeaker 31.In
It is connected with low pass filter, to filter the HFS in audio signal in the front end circuit of woofer 21；LPF
The cut-off frequency of device is more than or equal to the cut-off frequency of high-pass filter, thus over the entire frequency band can be with normal work.Low pass filtered
Ripple device and high-pass filter can be conventional wave filters, and are also can be according to conventional filtering with the connection of front end circuit
Device connected mode connects, and specifically repeats no more.
Bass zone during conventional medium and low frequency loudspeaker 21 is responsible in sound chamber 22, front end circuit adds low pass filter, makes
Obtain the signal after low-pass cut-off frequencies and cannot input to medium and low frequency loudspeaker 21, Microspeaker 31 is responsible for high-frequency region, front
Put interpolation high-pass filter, only receive the later frequency signal of high pass cut off frequency, such Microspeaker 31 and medium and low frequency are raised one's voice
Device 21 works simultaneously and just can significantly lift frequency bandwidth, as shown in fig. 6, after medium and low frequency module and the cooperation of high frequency module,
Sound chamber module frequency bandwidth substantially broadens, after high-frequency cut-off frequency Fh of working band has had been moved to 13kHz, so whole
The audio frequency effect of sound chamber module becomes fuller.
Although the utility model is open as above with preferred embodiment, it is not for limiting claim, Ren Heben
Skilled person, without departing from spirit and scope of the present utility model, can make possible variation and modification, therefore
Protection domain of the present utility model should be defined by the scope that the utility model claim is defined.
Claims (11)
1. a kind of broadband sound chamber module is it is characterised in that include high frequency module and medium and low frequency module；Described high frequency includes miniature
Loudspeaker；Described medium and low frequency module includes medium and low frequency loudspeaker and sound chamber, and described sound chamber is in order to built-in medium and low frequency loudspeaker；Described sound
The outlet sound mouth radiating sound in order to described medium and low frequency loudspeaker is offered on chamber；Described Microspeaker and medium and low frequency loudspeaker connect
In same voicefrequency circuit, described Microspeaker receives the HFS of audio signal, and described medium and low frequency loudspeaker receives audio frequency
The medium and low frequency part of signal, is spoken with realizing audio frequency of broad band.
2. broadband sound chamber module as claimed in claim 1 it is characterised in that described high frequency module and medium and low frequency mould splits every
It is arranged on same fuselage, the position of the outlet sound mouth in speak position and described sound chamber of the corresponding Microspeaker of body shell offers
Sound hole.
3. broadband sound chamber module as claimed in claim 2 is it is characterised in that the position and described of speaking of described Microspeaker
The outlet sound mouth in sound chamber is arranged towards the side frame of described body shell, speaks position and go out described in the side frame correspondence of body shell
The position of sound mouth offers described sound hole, is spoken with realizing side frame audio frequency of broad band.
4. broadband sound chamber module as claimed in claim 2 or claim 3 it is characterised in that described Microspeaker speak position and
The outlet sound mouth in described sound chamber is arranged on position on body shell on same side or not on same side.
5. broadband sound chamber module as claimed in claim 2 is it is characterised in that the outlet sound mouth in described sound chamber is towards described fuselage
The side frame setting of housing, the position of speaking of described Microspeaker is arranged not towards the side frame of described body shell.
6. broadband sound chamber module as claimed in claim 1 is it is characterised in that described Microspeaker uses fuselage equipment itself
The receiver being configured is realizing.
7. broadband sound chamber module as claimed in claim 2 or claim 3 is it is characterised in that described position of speaking is corresponding with outlet sound mouth
Sound hole all have several.
8. broadband sound chamber module as claimed in claim 1 is not it is characterised in that the Microspeaker of described high frequency module sets sound
Chamber.
9. broadband sound chamber module as claimed in claim 1 is it is characterised in that described Microspeaker is Microspeaker or is subject to
Words device.
10. broadband sound chamber module as claimed in claim 1 is it is characterised in that connect in the front end circuit of described Microspeaker
It is connected to high-pass filter, to filter the medium and low frequency part of audio signal.
11. broadband sound chamber modules as claimed in claim 10 are it is characterised in that the front end circuit of described medium and low frequency loudspeaker
In be connected with low pass filter, to filter the HFS in audio signal；The cut-off frequency of described low pass filter be more than etc.
Cut-off frequency in described high-pass filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620851403.1U CN205946129U (en) | 2016-08-08 | 2016-08-08 | Wide band voiced sound chamber module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620851403.1U CN205946129U (en) | 2016-08-08 | 2016-08-08 | Wide band voiced sound chamber module |
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| Publication Number | Publication Date |
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| CN205946129U true CN205946129U (en) | 2017-02-08 |
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ID=57923597
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| CN201620851403.1U Active CN205946129U (en) | 2016-08-08 | 2016-08-08 | Wide band voiced sound chamber module |
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| CN (1) | CN205946129U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106303805A (en) * | 2016-08-08 | 2017-01-04 | 上海安费诺永亿通讯电子有限公司 | Broadband sound chamber module |
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2016
- 2016-08-08 CN CN201620851403.1U patent/CN205946129U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106303805A (en) * | 2016-08-08 | 2017-01-04 | 上海安费诺永亿通讯电子有限公司 | Broadband sound chamber module |
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