CN209517456U - A kind of multiple-unit wireless Bluetooth headsets structure - Google Patents
A kind of multiple-unit wireless Bluetooth headsets structure Download PDFInfo
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- CN209517456U CN209517456U CN201920348528.6U CN201920348528U CN209517456U CN 209517456 U CN209517456 U CN 209517456U CN 201920348528 U CN201920348528 U CN 201920348528U CN 209517456 U CN209517456 U CN 209517456U
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- China
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- unit
- conduit
- output end
- wireless bluetooth
- earphone
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Abstract
The purpose of this utility model is that disclosing a kind of multiple-unit wireless Bluetooth headsets structure, it includes an at least earphone cavity, Bluetooth circuit plate is provided in the earphone cavity, electronic frequency divider is integrated in the Bluetooth circuit plate, the output end of the electronic frequency divider is connected with pronunciation unit, battery unit is connected and is pasted in the Bluetooth circuit plate, and the output end of the pronunciation unit is provided with the sound conduit unit of 3D printing formation；Compared with prior art, optimize wireless Bluetooth headsets internal structure, realize the miniaturization of multiple-unit earphone sophisticated functions, pronunciation unit and sound duct unit pass through the more microcatheter technologies of multiple-unit, compensate Bluetooth transmission process bring audio distortion, bluetooth headset sound quality is promoted, realizes the purpose of this utility model.
Description
Technical field
It is the utility model relates to a kind of Headphone structure, in particular to a kind of suitable for the more of pure wireless blue tooth stereophone
Unit wireless blue-tooth earphone structure.
Background technique
In the prior art, pure wireless blue tooth stereophone, Bluetooth circuit and battery are all integrated in inside earphone, are realized true
Positive " wireless "；Inside earphone, data pass through Bluetooth circuit simulation output, directly drive moving-coil unit.
In above-mentioned existing structure, earphone outer covering is using die sinking or injection molding, to guarantee comfortable wearing, earphone size and again
Amount, is all restricted；Earphone two sides are both provided with Bluetooth circuit, and wherein the Bluetooth circuit of side receives data, then will count again
According to the Bluetooth circuit for being transferred to the other side, respective pronunciation unit is driven, realizes stereo playback.
But there is also following defects for above-mentioned existing structure:
1, since by volumetric constraint, earphone inner space is limited, after battery and Bluetooth circuit is added, single action circle can only be put into
Unit.
2, since bluetooth causes sound loss in detail, single action coil unit can not provide preferable acoustic playback, sound quality pair again
It is poor.
It is accordingly required in particular to which a kind of multiple-unit wireless Bluetooth headsets structure, above-mentioned existing to solve the problems, such as.
Utility model content
The purpose of this utility model is to provide a kind of multiple-unit wireless Bluetooth headsets structures, not for the prior art
Foot, earphone inside cavity space is accurately utilized using 3D printing technique, is realized the miniaturization of wireless Bluetooth headsets and is incorporated mostly single
Meta structure, and by the more microcatheter technologies of multiple-unit, Bluetooth transmission process bring audio distortion is compensated, headphones sound matter is promoted
Amount.
The technical issues of the utility model is solved can be realized using following technical scheme:
A kind of multiple-unit wireless Bluetooth headsets structure, which is characterized in that it includes an at least earphone cavity, the earphone chamber
It is provided with Bluetooth circuit plate in vivo, electronic frequency divider, the output end of the electronic frequency divider are integrated in the Bluetooth circuit plate
It is connected with pronunciation unit, battery unit, the output end setting of the pronunciation unit are connected and be pasted in the Bluetooth circuit plate
There is the sound conduit unit formed by 3D printing.
In one embodiment of the utility model, the charging interface of contact is provided on the battery unit, it is described
The side of charging interface is provided with magnet and is fixed in earphone cavity, mutual by magnet and the magnet on earphone charging unit
Cooperation is with fixed and positioning charging interface.
In one embodiment of the utility model, the Bluetooth circuit plate is fixed at earphone end cap, the earphone end
Ventilation dustproof hole is set at lid, and ventilation dustproof hole lower end is provided with Air Filter and waterproof net.
In one embodiment of the utility model, the pronunciation unit includes moving-coil unit and several moving iron units, institute
The input terminal of the input terminal and the moving iron unit of stating moving-coil unit is interconnected with the output end of the electronic frequency divider respectively,
The output end of the moving-coil unit and the output end of the moving iron unit are connected separately with sound conduit unit.
Further, the pronunciation unit includes a moving-coil unit and two groups of four moving iron units.
In one embodiment of the utility model, the sound conduit unit includes that the bass that is formed of 3D printing spirals and leads
Pipe, middle pitch conduit and high pitch conduit.
Further, the bass conduit that spirals is arranged in the output end of moving-coil unit and constitutes bass output, and the middle pitch leads
The output end that one group of moving iron unit is arranged in pipe constitutes middle pitch output, and the defeated of another group of moving iron unit is arranged in the high pitch conduit
Outlet constitutes high sound, high pitch output.
Further, the bass spiral conduit internal diameter be 0.5mm, the bass spiral conduit length be 30mm；Institute
The interior diameter for stating middle pitch conduit is 1.5mm, and the length of the middle pitch conduit is 10mm；The internal diameter of the high pitch conduit is
2.1mm the length of the high pitch conduit is 8mm.
The multiple-unit wireless Bluetooth headsets structure of the utility model optimizes in wireless Bluetooth headsets compared with prior art
Portion's structure, realizes the miniaturization of multiple-unit earphone sophisticated functions, and pronunciation unit and sound duct unit pass through the more conduits of multiple-unit
Technology compensates Bluetooth transmission process bring audio distortion, promotes bluetooth headset sound quality, realizes the purpose of this utility model.
The characteristics of the utility model, sees the detailed description of the drawings of the present case and following preferable embodiment and obtains clear
Ground understands.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the multiple-unit wireless Bluetooth headsets structure of the utility model.
Specific embodiment
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, under
Face combines and is specifically illustrating, and the utility model is further described.
Embodiment
As shown in Figure 1, the multiple-unit wireless Bluetooth headsets structure of the utility model, it includes an at least earphone cavity 10,
It is provided with Bluetooth circuit plate 20 in earphone cavity 10, electronic frequency divider 30, electronic frequency divider 30 are integrated in Bluetooth circuit plate 20
Output end be connected with pronunciation unit, battery unit 40, the output end of pronunciation unit are connected and are pasted in Bluetooth circuit plate 20
It is provided with the sound conduit unit of 3D printing formation.
In the present embodiment, the charging interface 41 of contact is provided on battery unit 40, the side of charging interface 41 is set
It is equipped with magnet 42 and is fixed in earphone cavity 10, worked in coordination by the magnet on magnet 42 and earphone charging unit with fixation
With positioning charging interface 41.
In the present embodiment, Bluetooth circuit plate 20 is fixed at earphone end cap, and ventilation dustproof is arranged at the earphone end cap
Hole 11,11 lower end of ventilation dustproof hole are provided with Air Filter and waterproof net.
Bluetooth circuit plate 20 is powered by battery unit 40, and battery unit 40 is connected and is attached in Bluetooth circuit plate 20,
40 top of battery unit, main cloth surface-mounted device, some higher devices, main cloth can close in this way above pronunciation unit
Reason utilizes inner space, and guarantees that thicker battery unit 40 can be used, and provides biggish cruising ability.
The multiple-unit wireless Bluetooth headsets structure of the utility model may include left and right earphone, and Bluetooth circuit plate 20 is set respectively
It sets inside the earphone cavity 10 of left and right earphone, wherein the Bluetooth circuit plate 20 in left earphone earphone cavity 10 is received from outer
The Bluetooth signal on boundary, and the Bluetooth circuit plate 20 in right earphone earphone cavity 10 is transferred data to simultaneously, it is vertical to form two-channel
Body acoustical signal.
Electronic frequency divider 30 is directly integrated in Bluetooth circuit plate 20, the network being mainly made of resistance and capacitor, resistance
Metering function is mainly played, and capacitor frequency domain transfer function is Z=1/j ω C, with the increase of frequencies omega, reactance is gradually reduced, and is risen
To decaying low frequency contribution, and different resistance capacitances combines, and electric signal is divided into 4 groups of frequencies, respectively drives pronunciation unit.
In the present embodiment, pronunciation unit includes a moving-coil unit 50 and two groups of (four) moving iron units 60, moving-coil list
The input terminal of member 50 and the input terminal of moving iron unit 60 are interconnected with the output end of electronic frequency divider 30 respectively, moving-coil unit 50
Output end and the output end of moving iron unit 60 be connected separately with sound conduit unit.
The multiple-unit wireless Bluetooth headsets structure of the utility model, pronunciation unit use compact design, make full use of earphone
The inner space of cavity 10 is printed various curved since in order to compact, unit placing direction is more, therefore by the way of 3D printing
Bent shape, imports ear canal for sound, greatly improves space utilization rate；Meanwhile sound conduit unit, it can print out difference
Thickness and length, bass spirals conduit 12, middle pitch conduit 13 and high pitch conduit 14, form different acoustic impedance Z1, Z2,
Z3 plays the role of physics frequency dividing.
In the present embodiment, sound conduit unit includes that the bass that is formed of 3D printing spirals conduit 12,13 and of middle pitch conduit
High pitch conduit 14.
Earphone reaches the process of ear from making a sound, and needs a sound passage pipeline, due to internal empty in order to optimize
Between, headphone unit is put extremely compact, and therefore, the different direction of sound mouth needs curved guide wire；Wherein, high pitch sound travel,
Low acoustic impedance is needed, sound travel is designed as high pitch conduit 14；Due to alto units, due to placement angle, need to be bent leading note
Pipe, sound travel are designed as middle pitch conduit 13；For bass unit, larger acoustic impedance is needed, its treble contribution of decaying, therefore need
Slender conduit is wanted, provides enough acoustic mass and acoustic resistance, but since inner space is limited, therefore its sound travel is designed as bass spirals
Conduit 12.
Moving-coil unit 50 and moving iron unit 60 receive the different frequency electric signal from electronic frequency divider 30 respectively, to send out
Different frequency sounds out；Bass spiral conduit 12 be arranged in moving-coil unit 50 output end constitute bass output, middle pitch conduit 13
The output end that one group of moving iron unit 60 is arranged in constitutes middle pitch output, and the defeated of another group of moving iron unit 60 is arranged in high pitch conduit 14
Outlet constitutes high sound, high pitch output.
Bass spiral conduit 12 internal diameter be 0.5mm, bass spiral conduit 12 length be 30mm；Middle pitch conduit 13
Interior diameter is 1.5mm, and the length of middle pitch conduit 13 is 10mm；The internal diameter of high pitch conduit 14 is 2.1mm, the length of high pitch conduit 14
Degree is 8mm.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention, the utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (10)
1. a kind of multiple-unit wireless Bluetooth headsets structure, which is characterized in that it includes an at least earphone cavity, the earphone cavity
It is inside provided with Bluetooth circuit plate, electronic frequency divider is integrated in the Bluetooth circuit plate, the output end of the electronic frequency divider connects
It is connected to pronunciation unit, battery unit is connected and be pasted in the Bluetooth circuit plate, the output end of the pronunciation unit is provided with
The sound conduit unit formed by 3D printing.
2. multiple-unit wireless Bluetooth headsets structure as described in claim 1, which is characterized in that be provided on the battery unit
The charging interface of contact, the side of the charging interface are provided with magnet and are fixed in earphone cavity, pass through magnet and ear
Magnet on machine charging unit is worked in coordination with fixed and positioning charging interface.
3. multiple-unit wireless Bluetooth headsets structure as described in claim 1, which is characterized in that the Bluetooth circuit plate is fixed on
At earphone end cap, ventilation dustproof hole is set, and ventilation dustproof hole lower end is provided with Air Filter and waterproof at the earphone end cap
Net.
4. multiple-unit wireless Bluetooth headsets structure as described in claim 1, which is characterized in that the pronunciation unit includes moving-coil
The input terminal of unit and several moving iron units, the input terminal of the moving-coil unit and the moving iron unit divides with the electronics respectively
The output end of frequency device interconnects, and the output end of the output end of the moving-coil unit and the moving iron unit is connected separately with sound
Duct unit.
5. multiple-unit wireless Bluetooth headsets structure as claimed in claim 4, which is characterized in that the pronunciation unit includes one
Moving-coil unit and two groups of four moving iron units.
6. multiple-unit wireless Bluetooth headsets structure as described in claim 1, which is characterized in that the sound conduit unit includes
The bass that 3D printing is formed spirals conduit, middle pitch conduit and high pitch conduit.
7. multiple-unit wireless Bluetooth headsets structure as claimed in claim 6, which is characterized in that the bass spiral conduit setting
Bass output is constituted in the output end of moving-coil unit, the output end that one group of moving iron unit is arranged in the middle pitch conduit constitutes middle pitch
Output, the output end that another group of moving iron unit is arranged in the high pitch conduit constitute high sound, high pitch output.
8. multiple-unit wireless Bluetooth headsets structure as claimed in claim 6, which is characterized in that the bass spirals the interior of conduit
Diameter is 0.5mm, the bass spiral conduit length be 30mm.
9. multiple-unit wireless Bluetooth headsets structure as claimed in claim 6, which is characterized in that the interior diameter of the middle pitch conduit
For 1.5mm, the length of the middle pitch conduit is 10mm.
10. multiple-unit wireless Bluetooth headsets structure as claimed in claim 6, which is characterized in that the internal diameter of the high pitch conduit
For 2.1mm, the length of the high pitch conduit is 8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920348528.6U CN209517456U (en) | 2019-03-19 | 2019-03-19 | A kind of multiple-unit wireless Bluetooth headsets structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920348528.6U CN209517456U (en) | 2019-03-19 | 2019-03-19 | A kind of multiple-unit wireless Bluetooth headsets structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209517456U true CN209517456U (en) | 2019-10-18 |
Family
ID=68187917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920348528.6U Expired - Fee Related CN209517456U (en) | 2019-03-19 | 2019-03-19 | A kind of multiple-unit wireless Bluetooth headsets structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209517456U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109831715A (en) * | 2019-03-19 | 2019-05-31 | 苏州全频智能科技有限公司 | A kind of multiple-unit wireless Bluetooth headsets structure |
-
2019
- 2019-03-19 CN CN201920348528.6U patent/CN209517456U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109831715A (en) * | 2019-03-19 | 2019-05-31 | 苏州全频智能科技有限公司 | A kind of multiple-unit wireless Bluetooth headsets structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191018 Termination date: 20210319 |