CN107155151A - A kind of portable audio of the high shock resistance with USB interface - Google Patents
A kind of portable audio of the high shock resistance with USB interface Download PDFInfo
- Publication number
- CN107155151A CN107155151A CN201710508233.6A CN201710508233A CN107155151A CN 107155151 A CN107155151 A CN 107155151A CN 201710508233 A CN201710508233 A CN 201710508233A CN 107155151 A CN107155151 A CN 107155151A
- Authority
- CN
- China
- Prior art keywords
- damping
- loudspeaker
- portable audio
- damping ring
- cell panel
- 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.)
- Pending
Links
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The invention discloses a kind of portable audio of the high shock resistance with USB interface, including shell, cell panel, circuit board, loudspeaker unit and damping piece;Cell panel, circuit board, the loudspeaker unit of the portable audio are fixed in shell inner cavity by damping piece; so as to when the portable audio meets with violent concussion; part of impact force can be absorbed by damping piece deformation; effectively protection cell panel, circuit board and loudspeaker unit are by excessive impulsive force; extend its service life; and increase the use scope of the portable audio, with good practicality.
Description
Technical field
The present invention relates to portable audio field, and in particular to a kind of the portable of high shock resistance with USB interface
Formula sound equipment.
Background technology
With the improvement of living standards, the relatively low portable audio of compact, powerful, power consumption is increasingly by joyous
Meet, and be increasingly becoming a kind of consumption fashion.Numerous domestic and international electronic enterprises release all kinds of portable audios one after another, to meet not
The disconnected consumption demand increased.
Portable audio is mainly used in outdoor use occasion, it is necessary to often be played in movement.Existing portable audio
Ring intraware and mainly use rigid fastening means, the parts inside sound equipment are fixed by screw etc., and rigid connection is consolidated
Due on shell;When running into the concussion of fierceness, the intraware of portable audio is due to taking rigid fastening means, in hair
The moment of raw concussion is not enough due to elastic deformation amount, can produce a larger instant impact, easily intraware is caused
Damage.
Therefore, a kind of portable audio with shock resistance is needed badly, to make suitable for moving situation more violent open air
Use occasion.
The content of the invention
In order to overcome described problem, the present invention provides a kind of portable audio of the high shock resistance with USB interface.This is just
Take formula sound equipment inner components to be fixed by flexible damping piece, when vibrating, damping material deformation absorbs
Part of impact force, reduces the instant impact that the parts inside portable audio are subject to, so as to protect inner components, has
Good practicality.
Accordingly, the present invention provides a kind of portable audio of the high shock resistance with USB interface, including shell, battery
Plate, circuit board, loudspeaker unit;The shell is the box structure of flattened cylindrical shape, with a hollow cavity;On the cell panel
It is fixed with battery;The circuit board side is welded with AUX interfaces and USB interface;
The portable audio also includes flexible damping piece, and the cell panel, circuit board, loudspeaker unit pass through described
Damping piece is fixed on the interior intracavitary, is not directly fixed on the shell..
Preferred embodiment, the shell includes drain pan and guard, and the guard is anchored on the open surface of drain pan.
Preferred embodiment, from drain pan bottom, the cell panel, circuit board and loudspeaker unit are sequentially installed with.
Preferred embodiment, the loudspeaker unit includes loudspeaker, passive radiator, loudspeaker fixed mount;The loudspeaker are consolidated
Determine that there are two raised cylinders with screw on frame, the passive radiator is enclosed on the cylinder, and the loudspeaker pass through
The fastener hole of both sides, with screw locking on the cylinder of the loudspeaker fixed mount, and passive radiator is compressed;The loudspeaker are consolidated
The external diameter for determining frame is less than the internal diameter.
Preferred embodiment, the loudspeaker fixed mount, circuit board, the external diameter of cell panel are less than the internal diameter of the drain pan.
Preferred embodiment, the damping piece includes the first damping ring, the second damping ring, the 3rd damping ring;Described
One damping ring, the second damping ring, the 3rd damping ring cross sectional shape are concave character type of the recess towards axis direction;The battery board
In the recess of first damping ring, the circuit-board card is in the recess of the second damping ring, and the loudspeaker fixed mount is stuck in
In the recess of 3rd damping ring;
The damping ring fixing groove of three ring-types, first damping ring, the second damping ring, are provided with the outer casing inner wall
Three damping rings are stuck in corresponding damping ring fixing groove.
Preferred embodiment, the damping piece includes integral type damping ring, the integrated damping piece periphery wall and institute
The laminating of drain pan inwall is stated, bottom withstands on the drain pan bottom, and top is compressed by the guard in fastener cycle;The integral type
Damping ring has the fixing groove of three ring-types, and the cell panel, circuit board, loudspeaker fixed mount are stuck in corresponding fixing groove
In.
Preferred embodiment, the damping piece includes at least three damping columns;The damping column passes through the electricity
Pond plate, circuit board, loudspeaker fixed mount, two ends withstand on the drain pan bottom and the guard towards on the face of inner chamber respectively;
There are three annular grooves, the cell panel, circuit board and loudspeaker unit are stuck in pair on the damping column
On the annular groove answered.
Preferred embodiment, the shore hardness of the damping piece is 50~70 degree.
A kind of portable audio for high shock resistance with USB interface that the present invention is provided, inner components by with
The damping piece of elasticity is fixed, and when shaking, damping piece can effectively absorb part of impact force, so as to protect portable audio
Parts inside ringing, with good practicality.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 shows the portable audio schematic cross-section of the high shock resistance with USB interface of the embodiment of the present invention one.
Fig. 2 shows the portable audio schematic cross-section of the high shock resistance with USB interface of the embodiment of the present invention three.
Fig. 3 shows the portable audio schematic cross-section of the high shock resistance with USB interface of the embodiment of the present invention three.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is all other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
A kind of portable audio of high shock resistance with USB interface provided in an embodiment of the present invention, the portable audio
Intraware fixed by damping piece, when the portable audio is by severe impact, damping piece deformation absorb impulsive force, subtract
The instant impact that the intraware of few portable audio is subject to, so as to play the work of protection portable audio inner components
With.
Fig. 1~Fig. 3 shows the structural representation of the embodiment of the present invention.It is provided in an embodiment of the present invention a kind of with USB
The portable audio of the good shock resistance of interface, basic structure includes shell, cell panel 3, circuit board 4, loudspeaker unit, damping
Part.
The shell of the embodiment of the present invention is the flattened cylindrical shape box like structure with a hollow cavity, by drain pan 2 and guard 1
Two parts are constituted, and guard 1 is installed on the unlimited one end of drain pan 2, passes through being screwed on drain pan for periphery.One end of drain pan 2
On be provided with a handle, be easy to user carry and use.
In the inner chamber of shell, from the bottom direction of drain pan 2, cell panel 3, circuit board 4 and loudspeaker unit are sequentially installed with,
Cell panel 3, circuit board 4 and the loudspeaker unit of the embodiment of the present invention are not contacted directly with shell, but fix it by damping piece
Position in hollow cavity, so as to play a part of vibration damping.
The battery 10 of sheet is installed, battery 10 is fixed on cell panel 3 on cell panel 3.
Side is provided with AUX interfaces 11 and usb 12 on circuit board 4, and usb 12 is used for the charging of battery.
The loudspeaker unit of the embodiment of the present invention strengthens using passive radiator wherein bass effect due to volumetric constraint
Really.In the embodiment of the present invention, loudspeaker unit includes loudspeaker, passive radiator 6, loudspeaker fixed mount 5, and loudspeaker fixed mount 5 is disk
Shape, middle part is provided with the through hole passed through for loudspeaker, and two protruding columns with threaded hole, passive radiator are provided with through hole both sides
6 are stuck on cylinder.Loudspeaker return 7 by horn bulb 9, drum paper 21, voice coil loudspeaker voice coil 8, magnetic and assembled, and two are provided with horn bulb 9
Corresponding to protruding column position through hole, loudspeaker are lock onto on loudspeaker fixed mount 5 by screw 13, during locking, by nothing
Source radiation device 6 is compressed.
From the principle of sound of loudspeaker, loudspeaker are powered by voice coil loudspeaker voice coil 8 produces magnetic field, and returns with magnetic 7 intrinsic magnetic field phase
Interaction produces driving force, and the vibration sounding of paper 21 is roused in driving, and therefore, loudspeaker unit can produce shaking for certain frequency in sounding
It is dynamic, frequency of the frequency close to its sounding.The minimum 160Hz of the actual audible frequency of portable audio of the inventive embodiments~
170Hz, in order to avoid damping piece resonates, the shore hardness of damping piece of the embodiment of the present invention should be between 50~70 degree.Make
With the portable audio of the shore hardness damping piece, intrinsic frequency is less than 130Hz, it is to avoid resonated with loudspeaker unit.Specifically
In implementation, the shore hardness area requirement of damping piece according to the concrete condition of loudspeaker unit, can be further reduced, makes portable audio
Frequency interval between loud intrinsic frequency and the minimum audible frequency of loudspeaker unit farther out, to obtain more preferable result of broadcast.
The structure type of the damping piece of the embodiment of the present invention has a variety of, is exemplified below three embodiments for reference.
Embodiment one:
Damping piece in embodiment one includes the first damping ring 16, the second damping ring 15, the 3rd damping ring 14, the first damping
Ring 16, the second damping ring 15 and the cross sectional shape of the 3rd damping ring 14 are concave character type of the recess towards axis direction.Cell panel 3 is stuck in
On the recess of first damping ring 16, circuit board 4 is stuck on the recess of the second damping ring 15, and loudspeaker fixed mount 5 is stuck in the 3rd damping
On the recess of ring 16.
In order to fix the position 14 of the first damping ring 16, the second damping ring 15, the 3rd damping ring, set on the inwall of drain pan 2
Put three damping ring fixing grooves, respectively the first damping ring fixing groove, the second damping ring fixing groove, the 3rd damping ring fixing groove,
The ground of step of wherein the first damping ring inside drain pan 2 and drain pan 2 is constituted, and the 3rd damping ring fixing groove is by the inwall of drain pan 2
Step constituted with guard 1.Three articles of damping ring fixing grooves are respectively used to fix the first damping ring, the second damping ring and the 3rd damping
The axial location of ring and radial position.First damping ring, the second damping ring, the radial dimension of the 3rd damping ring should hinder with corresponding
The groove-root diameter of Buddhist nun's ring fixing groove is adapted, so as to which the radial position of damping ring is more firmly fixed;First damping ring,
Two damping rings, the width of the corresponding damping ring fixing groove of axial dimension of the 3rd damping ring are adapted, so as to more firm
The axial location of fixed damping ring.
When carrying out the first damping ring 16, the second damping ring 15, the installation of the 3rd damping ring 14, due to the first damping ring
16th, the second damping ring 15, the 3rd damping ring 14 have certain elasticity, by appropriate compression, are mountable to corresponding
In damping ring fixing groove, similarly, cell panel, circuit board and loudspeaker fixed mount are mountable in the bayonet socket of correspondence damping ring.
Embodiment two:
Damping piece in embodiment two includes integral type damping ring 17, the integrated periphery wall of damping piece 17 and the bottom
The inwall of shell 2 is fitted, and bottom withstands on the bottom of drain pan 2, and top is compressed by the guard 1 in fastener cycle;The integral type
Damping ring 17 has the fixing groove of three ring-types, and the cell panel 3, circuit board 4, loudspeaker fixed mount 5 are stuck in corresponding solid
Determine in groove.
The groove-root diameter of three fixing grooves should be with corresponding cell panel 3, circuit board 4 and loudspeaker fixed mount 5 radial ruler
It is very little to be adapted, so that cell panel 3, circuit board 4, the radial position of loudspeaker fixed mount 5 is more firmly fixed;Three fixing grooves
Well width should be adapted with the axial dimension of corresponding cell panel, circuit board and loudspeaker fixed mount, so that more firm solid
Determine cell panel, circuit board, the axial location of loudspeaker fixed mount.
Embodiment three:
Damping piece in embodiment three includes three damping columns, and respectively the first column 18, the second column the 19, the 3rd are stood
Post 20, in specific implementation, the damping column of three or more than three can be set according to demand, to realize more preferable fixed effect.
On cell panel 3, circuit board 4 and loudspeaker fixed mount 5, it is provided with same vertical position and damping column quantity phase
Same leghole.The leghole through cell panel 3, circuit board 4 and loudspeaker fixed mount 5 of the damping column, two ends difference is tight
Gu in the bottom of drain pan and guard towards in the one side of inner chamber.
On the periphery of every damping column, offer three be used for for cell panel 4, circuit board 5, the screens of loudspeaker fixed mount 6
Annular groove, cell panel 3, circuit board 4 and loudspeaker fixed mount 5 are stuck in by leghole in different annular grooves.Should
The external diameter of annular groove bottom, should adapt to the internal diameter of leghole, with self-contained battery plate 3, circuit board 4, loudspeaker unit radial direction position
Put;The width of the annular groove, should adapt to cell panel 3, circuit board 4, the thickness of loudspeaker fixed mount 5, with self-contained battery plate 3,
The axial location of circuit board 4, loudspeaker unit.
, can be by inside damping column, setting firm in order to preferably fix the position of damping column in specific implementation
The connector of property.The rigid connector two ends are fixed on the bottom of drain pan 2 and guard 1, and damping upright post sleeve is in the rigid connector
Periphery.
The portable audio of high shock resistance provided in an embodiment of the present invention with USB interface, the portable audio by
To when violent impact or vibrations, shell can be by power after flexible damping piece vibration damping, then passes to circuit board, cell panel
And loudspeaker unit, compared with using the portable audio of rigid mounting means, the wink that circuit board, cell panel and loudspeaker unit are subject to
Between impulsive force greatly reduce, protection circuit plate, cell panel and loudspeaker unit can will not effectively be damaged, have because of high impact forces
Good practicality.
A kind of portable audio of the high shock resistance with USB interface provided above the embodiment of the present invention is carried out
It is discussed in detail, specific case used herein is set forth to the principle and embodiment of the present invention, above example
Illustrate the method and its core concept for being only intended to help to understand the present invention;Simultaneously for those of ordinary skill in the art, according to
According to the thought of the present invention, it will change in specific embodiments and applications, in summary, this specification content
It should not be construed as limiting the invention.
Claims (9)
1. a kind of portable audio of the high shock resistance with USB interface, including shell, cell panel, circuit board, loudspeaker unit;
The shell is the box structure of flattened cylindrical shape, with a hollow cavity;Battery is fixed with the cell panel;The electricity
Road plate side is welded with AUX interfaces and USB interface;Characterized in that, the portable audio includes flexible damping piece, institute
State cell panel, circuit board, loudspeaker unit and the interior intracavitary is fixed on by the damping piece, the shell is not directly fixed on
On.
2. there is the portable audio of the high shock resistance of USB interface as claimed in claim 1, it is characterised in that the shell
Including drain pan and guard, the guard is anchored on the open surface of drain pan.
3. there is the portable audio of the high shock resistance of USB interface as claimed in claim 2, it is characterised in that from drain pan bottom
Hold, be sequentially installed with the cell panel, circuit board and loudspeaker unit.
4. there is the portable audio of the high shock resistance of USB interface as claimed in claim 3, it is characterised in that the loudspeaker
Unit includes loudspeaker, passive radiator, loudspeaker fixed mount;There are two raised circles with screw on the loudspeaker fixed mount
Post, the passive radiator is enclosed on the cylinder, and the loudspeaker are by the fastener holes of both sides, with screw locking in the loudspeaker
On the cylinder of fixed mount, and passive radiator is compressed;The external diameter of the loudspeaker fixed mount is less than the internal diameter.
5. there is the portable audio of the high shock resistance of USB interface as claimed in claim 4, it is characterised in that the loudspeaker
Fixed mount, circuit board, the external diameter of cell panel are less than the internal diameter of the drain pan.
6. there is the portable audio of the high shock resistance of USB interface as claimed in claim 5, it is characterised in that the damping
Part includes the first damping ring, the second damping ring, the 3rd damping ring;First damping ring, the second damping ring, the 3rd damping ring are cut
Face is shaped as concave character type of the recess towards axis direction;The cell panel is stuck in the recess of first damping ring, the electricity
Road board is in the recess of the second damping ring, and the loudspeaker fixed mount is stuck in the recess of the 3rd damping ring;
The damping ring fixing groove of three ring-types, first damping ring, the second damping ring, the 3rd resistance are provided with the outer casing inner wall
Buddhist nun's ring is stuck in corresponding damping ring fixing groove.
7. there is the portable audio of the high shock resistance of USB interface as claimed in claim 5, it is characterised in that the damping
Part includes integral type damping ring, and the integrated damping piece periphery wall is fitted with the drain pan inwall, and bottom withstands on the drain pan
Bottom, top is compressed by the guard in fastener cycle;The integral type damping ring has the fixing groove of three ring-types, described
Cell panel, circuit board, loudspeaker fixed mount are stuck in corresponding fixing groove.
8. there is the portable audio of the high shock resistance of USB interface as claimed in claim 5, it is characterised in that the damping
Part includes at least three damping columns;The damping column passes through the cell panel, circuit board, loudspeaker fixed mount, two ends difference
The drain pan bottom and the guard are withstood on towards on the face of inner chamber;
There are three annular grooves, the cell panel, circuit board and loudspeaker unit are stuck in corresponding on the damping column
On annular groove.
9. the portable audio of the high shock resistance with USB interface as described in claim 1~8 any one, its feature exists
In the shore hardness of the damping piece is 50~70 degree.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710508233.6A CN107155151A (en) | 2017-06-28 | 2017-06-28 | A kind of portable audio of the high shock resistance with USB interface |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710508233.6A CN107155151A (en) | 2017-06-28 | 2017-06-28 | A kind of portable audio of the high shock resistance with USB interface |
Publications (1)
Publication Number | Publication Date |
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CN107155151A true CN107155151A (en) | 2017-09-12 |
Family
ID=59795498
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201710508233.6A Pending CN107155151A (en) | 2017-06-28 | 2017-06-28 | A kind of portable audio of the high shock resistance with USB interface |
Country Status (1)
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CN (1) | CN107155151A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107801121A (en) * | 2017-11-01 | 2018-03-13 | 江门市蓬江区天琅电子科技有限公司 | The improved structure of automobile audio |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100308042B1 (en) * | 1999-04-15 | 2001-09-26 | 구자홍 | multiple damping device for speaker system in video display appliance |
CN205123753U (en) * | 2015-12-01 | 2016-03-30 | 重庆三峡学院 | Data receiver of digital audio broadcast |
CN205336476U (en) * | 2016-01-12 | 2016-06-22 | 东莞市唯尔声视听设备有限公司 | Bluetooth sound with type -C interface |
-
2017
- 2017-06-28 CN CN201710508233.6A patent/CN107155151A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100308042B1 (en) * | 1999-04-15 | 2001-09-26 | 구자홍 | multiple damping device for speaker system in video display appliance |
CN205123753U (en) * | 2015-12-01 | 2016-03-30 | 重庆三峡学院 | Data receiver of digital audio broadcast |
CN205336476U (en) * | 2016-01-12 | 2016-06-22 | 东莞市唯尔声视听设备有限公司 | Bluetooth sound with type -C interface |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107801121A (en) * | 2017-11-01 | 2018-03-13 | 江门市蓬江区天琅电子科技有限公司 | The improved structure of automobile audio |
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PB01 | Publication | ||
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Application publication date: 20170912 |