CN204993787U - Speaker device - Google Patents
Speaker device Download PDFInfo
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- CN204993787U CN204993787U CN201520560140.4U CN201520560140U CN204993787U CN 204993787 U CN204993787 U CN 204993787U CN 201520560140 U CN201520560140 U CN 201520560140U CN 204993787 U CN204993787 U CN 204993787U
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- framework
- speaker unit
- guidance panel
- bass
- unit according
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Abstract
The utility model provides a good and the good speaker device of tone quality of small -size, design and operability. This speaker device has: the framework, 2 the loudspeaker unit of sound channel, it disposes in the left side and the right of the upper surface of framework, bass reflection port, it sets up in the central authorities of the left and right sides direction of the upper surface of framework, and bass reflection pipe, it is connected with bass reflection port. The framework has 1 cavity in inside, the loudspeaker unit and the bass reflection pipe of 2 sound channels are accommodated to this cavity. Bass reflection pipe arrangement is between the loudspeaker unit of 2 sound channels.
Description
Technical field
The utility model relates to stereosonic speaker unit, especially, relates to speaker unit that is small-sized or desktop.
Background technology
Common boombox device has the loudspeaker box of left and right acoustic channels, their left-right situs (such as with reference to patent documentation 1).Therefore, setting area becomes large, is not suitable for arranging on the table.
Therefore, in the past, propose and manyly achieve miniaturized boombox device (such as with reference to patent documentation 2) by being set to one-piece type.About this small stereo speaker unit in the past, framework is laterally longer shape, has speaker cavity, have the circuit part such as operating portion and amplifier in central authorities in the left and right of framework.
Patent documentation 1: Japanese Unexamined Patent Publication 09-098495 publication
Patent documentation 2: Japanese Unexamined Patent Publication 2008-092345 publication
But, for speaker unit disclosed in patent documentation 2, because framework becomes 3 parts at inside division, need to mark off 3 regions, so miniaturization exists the limit.In addition, because speaker cavity is less relative to the ratio of the size of framework, can gratifying tonequality so be difficult to realization.In addition, because framework is laterally longer shape, so the degree of freedom of design is not high.
In addition, for speaker unit disclosed in patent documentation 2, operating position is in the upside of framework, and loudspeaker unit is arranged toward the front at the front surface of framework.When small-sized speaker unit, the movement caused due to the operation of user cannot be stoped by conducting oneself with dignity, so usually operating portion to be arranged at upside, the mode that makes user carry out downward operating designs, but, its result, the situation that loudspeaker unit is arranged toward the front is more, there is following shortcoming in loudspeaker unit toward the front, that is, that departs from user listens to position, or lacks the effect that sound is spread in the space in room.
Utility model content
Therefore, the purpose of this utility model is to provide a kind of small-sized, design and the good and speaker unit of acoustical sound of operability.
Speaker unit of the present utility model has: framework; The loudspeaker unit of 2 sound channels, it is configured at the left side and the right of the upper surface of framework; Bass-reflex port, it is arranged at the central authorities of the left and right directions of the upper surface of framework; And bass reflex pipe, it is connected with bass-reflex port.Framework has 1 cavity in inside, this cavity accommodates loudspeaker unit and the bass reflex pipe of 2 sound channels.Bass reflex pipe is configured between the loudspeaker unit of 2 sound channels.
In technique scheme, also the height of framework can be made to be less than or equal to 2 times of the height (degree of depth) of loudspeaker unit, also the upper surface of framework can be made distally to tilt side direction proximal lateral, make bass-reflex port be arranged at the proximal lateral of the upper surface of framework, make the proximally side distally side extension in the inside of framework of bass reflex pipe.Further, still can have guidance panel at the upper surface of framework, this guidance panel has operating parts.Operating parts also can be with the radial switch be arranged on the circumference of guidance panel.
Guidance panel and loudspeaker unit also can with identical towards, identical angular slope.
Still can have grill cover at the upper surface of framework, this grill cover has circular peristome in central authorities.In addition, still can have guidance panel, this guidance panel has operating parts, and this guidance panel is chimeric with the peristome of grill cover.The shape of the shape of guidance panel and the upper surface of framework also can be similar shape.The shape of the shape of guidance panel and the upper surface of described framework also can be circular, and with one heart.
The effect of utility model
According to this utility model, small-sized and operability and acoustical sound speaker unit can be realized.
Accompanying drawing explanation
Fig. 1 is the outward appearance oblique view of the speaker unit involved by execution mode of the present utility model.
Fig. 2 (A) and Fig. 2 (B) is front view and the sectional view of speaker unit.
Fig. 3 is the block diagram of the circuit of speaker unit.
The explanation of label
1 speaker unit
10 frameworks
11 guidance panels
15 bass reflex pipes
20,21 loudspeaker units
25,26 circuit substrates
100 cavitys
Embodiment
Below, with reference to accompanying drawing, the speaker unit involved by execution mode of the present utility model is described.Fig. 1 is the outward appearance oblique view of the speaker unit involved by execution mode of the present utility model.Fig. 2 (A) is the front view of panel surface, and Fig. 2 (B) is right side cross-sectional view.
Speaker unit 1 mainly places on the table or bedside uses, in the shape cutting shorter by cylinder.The face that upper surface is formed as cylinder vertically to cut off relative to its central shaft and obtains is roughly positive circular.On the other hand, bottom surface is formed as the face obtained with the angle declinate cutting of about 70 degree relative to its central shaft by cylinder, is elliptical shape.Bottom surface is provided with the base plate 10A of peviform.Therefore, correspondingly, with about 70 degree of inclinations, highly minimum position is the position (near-end) relatively arranged with user to the cut-out angle of side and bottom surface, and highly the highest position is the position (far-end) arranged in the opposition side of user.As mentioned above, the diameter being formed as the framework 10 of short cylindrical is roughly 20 centimetres, and the height of distal side is roughly 10 centimetres, even if such size is placed on the table or bedside does not also take up an area, and highly lower, be stable.
Be provided with the grill cover 12 of baked donut shape at framework upper surface, this grill cover 12 has circular peristome 122 in central authorities.In addition, the central portion of framework upper surface is provided with guidance panel 11, this guidance panel 11 is chimeric with the peristome 122 of grill cover 12.Grill cover 12 establishes grid 121 thereon to form by framework 120 with opening.In addition, Fig. 2 (A) and Fig. 2 (B) illustrates the state of the framework 120 only installed in grill cover 12.
The framework 120 of grill cover 12, only making the position of audio frequency and light transmission have peristome 123, utilizes plate-shaped member to cover at position in addition.Peristome 123 is provided with: peristome 123L, 123R of left and right, their loudspeaker units with left and right 20,21 relative; The peristome 123C of central authorities' near-end, it is relative with bass-reflex port 14; And the peristome 123D of left proximal, it is relative with the display 22 being also used as digital dock.As shown in Figure 1, in use, covered by grid 121, user cannot see these peristomes 123.But, as shown in Figure 1, make the light transmission produced by the display of display 22.
As mentioned above, at the upper surface of framework 10, be provided with loudspeaker unit 20,21, central near-end is provided with bass-reflex port 14 in left and right, in the vicinity, end is provided with display 22.Loudspeaker unit 20,21 is small-sized full frequency speakers, and respective bore is 4 centimetres, is specifiedly input as 4W, and the degree of depth (highly) is about 6 centimetres.Loudspeaker unit 20,21 symmetrically configures, but owing to needing to have on depth direction by the degree of depth (highly) of loudspeaker unit 20,21 collecting, so compared with the central authorities of the fore-and-aft direction of framework 10, near far-end, loudspeaker unit 20,21 is being installed a little.Bass-reflex port 14 is formed at the central near-end of framework upper surface, and this bass-reflex port 14 is connected with bass reflex pipe 15.Bass reflex pipe 15 bends, through loudspeaker unit 20,21, till extending to the side near-end of the distal side of framework 10 inside at the distal direction near side direction framework 10 in bass-reflex port 14.
Bottom the distal side of framework 10, be provided with partition wall 10B, this partition wall 10B is by circuit box 101, hermetic separate with the cavity 100 at loudspeaker unit 20,21 and bass reflex pipe 15 place.Periphery and circuit box 101 inside of the guidance panel 11 between the loudspeaker unit 20,21 of cavity 100 inside are provided with circuit substrate 25,26.On circuit substrate 25, mainly voicefrequency circuit is installed, includes the input part such as audio sockets and DC socket.In addition, on circuit substrate 26, the control circuit etc. comprising control part 50 (with reference to Fig. 3) is installed.
As mentioned above, this speaker unit 1 is following apparatus, that is, built-in circuit in highly lower small-sized framework 10, and the loudspeaker unit 20,21 of boom boxes.Because the volume of framework 10 is little, so the loudspeaker unit 20,21 of left and right shares cavity 100, bass-reflex port 14 and bass reflex pipe 15 are also configured at the central authorities of framework 10, are shared by left and right acoustic channels (left and right loudspeaker unit 20,21).
In addition, guidance panel 11 is round panels chimeric with the central portion 122 of the grill cover 12 of baked donut shape.The shape of guidance panel 11 and the shape of framework 10 upper surface (grill cover 12) are similar shapes roughly, and configure with one heart.The central authorities of guidance panel 11 are provided with mains switch 110, are provided with 8 switches 111 at the circumference of guidance panel 11 with radial.8 switches 111 are clock switch, quarter-bell switch, tuning upper switch, tuning lower switch, preset switches, selector switch (pairing switch), volume+switch, volume-switch from upper left according to clockwise direction.In addition, the circumference of the guidance panel 11 between selector switch and volume-switch is provided with 4 indicating devices 112.Each indicating device 112 is when have selected bluetooth, analog input (AUX), FM broadcast (RADIO) as audio frequency input or light when have selected the quarter-bell of alarm clock clock.
According to above structure, following speaker unit 1 can be realized, although that is, small-sized, but obtain " capacity of cavity ", " sectional area of reflection tube ", " length of reflection tube " fully, the sound of basso also becomes abundant boombox device 1.In addition, due to the direction of loudspeaker unit 20,21 be not level or towards directly over, but towards the angle of 70 degree, thus when place on the table or the At The Height of 50 ~ 70 cm such as bedside, the diffusion of sound can be made best.
In addition, due to guidance panel 11 with loudspeaker unit 20,21 identical angles towards inclination 70 degree, so become power that tiltedly descend direction, that born by bottom to the power that operating surface operates, when the speaker unit 1 that can realize stable operation place on the table or bedside, operability improve.
Fig. 3 is the block diagram of the circuit of speaker unit 1.Speaker unit 1 is controlled by the control part 50 as microcomputer.Control part 50 is arranged on circuit substrate 26.Control part 50 be also used as the display 22 of digital dock, switch 111, indicating device 112 and circuit substrate 25 and be connected, they are controlled.
Circuit substrate 25 is provided with voicefrequency circuit.On circuit substrate 25, the circuit inputted audio signal is provided with FM tuner 52, bluetooth (registered trade mark) Department of Communication Force 53 and analog input portion 54.Analog input portion 54 comprises audio sockets.The audio signal inputted from bluetooth (registered trade mark) Department of Communication Force 53 or analog input portion 54 inputs to signal processing part 51.Signal processing part 51, according to the instruction of control part 50, selects audio signal, carries out the process such as equilibrium to the audio signal of input.Audio signal after process inputs to amplifying circuit 55,56.The audio signal of L channel inputs to amplifying circuit 55, and the audio signal of R channel inputs to amplifying circuit 56.Audio signal after amplification inputs respectively to loudspeaker unit 20,21 by amplifying circuit 55,56.The audio signal of input is carried out playback as sound by loudspeaker unit 20,21.
The gain etc. of the pairing action in Bluetooth communication portion 53, the balancing actions of signal processing part 51, amplifying circuit 55,56 is controlled by control part 50.The operation of control part 50 and switch 111 correspondingly, is changed the display of indicating device 112 and display (digital dock) 22, and is changed the setting of the voicefrequency circuit of circuit substrate 25.
In this embodiment, the outward appearance of speaker unit 1 is set to undertaken cutting off and the shape obtained by oblique for cylinder, as long as but the face (upper surface) with guidance panel 11 and loudspeaker unit 20,21 is towards the oblique upper of about 70 degree, then the shape of framework can be also hexagon, octagon etc., is not limited to circle.In addition, from the angle of layout, operability and appearance design, the shape of preferred operations panel 11 and the shape of framework 10 upper surface (grill cover 12) they are roughly similar shapes, and with one heart (common center point).
Claims (10)
1. a speaker unit, it has:
Framework;
The loudspeaker unit of 2 sound channels, it is configured at the left side and the right of the upper surface of this framework;
Bass-reflex port, it is arranged at the central authorities of the left and right directions of the upper surface of described framework; And
Bass reflex pipe, it is connected with this bass-reflex port,
Described framework has 1 cavity in inside, the loudspeaker unit of described 2 sound channels of this cavity collecting and described bass reflex pipe,
Described bass reflex pipe is configured between the loudspeaker unit of described 2 sound channels.
2. speaker unit according to claim 1, wherein,
The height of described framework is less than or equal to 2 times of the height of described loudspeaker unit.
3. speaker unit according to claim 1, wherein,
The upper surface of described framework distally tilts side direction proximal lateral,
Described bass-reflex port is arranged at the proximal lateral of the upper surface of described framework,
Described bass reflex pipe is proximally side distally side extension in the inside of described framework.
4. speaker unit according to claim 1, wherein,
Also have guidance panel at the upper surface of described framework, this guidance panel has operating parts.
5. speaker unit according to claim 4, wherein,
Described operating parts is with the switch on the radial circumference being arranged at described guidance panel.
6. speaker unit according to claim 4, wherein,
Described guidance panel and described loudspeaker unit with identical towards, identical angular slope.
7. speaker unit according to claim 1, wherein,
Also have grill cover at the upper surface of described framework, this grill cover has circular peristome in central authorities.
8. speaker unit according to claim 7, wherein,
Also have guidance panel, this guidance panel has operating parts, and this guidance panel is chimeric with the peristome of described grill cover.
9. speaker unit according to claim 8, wherein,
The shape of the shape of described guidance panel and the upper surface of described framework is similar shape.
10. speaker unit according to claim 9, wherein,
The shape of the shape of described guidance panel and the upper surface of described framework is circular, and with one heart.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-153502 | 2014-07-29 | ||
| JP2014153502A JP6455006B2 (en) | 2014-07-29 | 2014-07-29 | Speaker device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204993787U true CN204993787U (en) | 2016-01-20 |
Family
ID=55128105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520560140.4U Expired - Fee Related CN204993787U (en) | 2014-07-29 | 2015-07-29 | Speaker device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6455006B2 (en) |
| CN (1) | CN204993787U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114071272A (en) * | 2020-07-31 | 2022-02-18 | Jvc建伍株式会社 | Audio reproducing device and speaker device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01126788U (en) * | 1988-02-24 | 1989-08-30 | ||
| JP2001292488A (en) * | 2000-04-07 | 2001-10-19 | Sony Corp | Speaker system |
| US7676047B2 (en) * | 2002-12-03 | 2010-03-09 | Bose Corporation | Electroacoustical transducing with low frequency augmenting devices |
| JP5151352B2 (en) * | 2007-09-26 | 2013-02-27 | ヤマハ株式会社 | Sound emission and collection device |
| JP2012080481A (en) * | 2010-10-06 | 2012-04-19 | Sony Corp | Speaker unit and active speaker device |
| JP2014093597A (en) * | 2012-11-01 | 2014-05-19 | Sony Corp | Reproducing device |
-
2014
- 2014-07-29 JP JP2014153502A patent/JP6455006B2/en active Active
-
2015
- 2015-07-29 CN CN201520560140.4U patent/CN204993787U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114071272A (en) * | 2020-07-31 | 2022-02-18 | Jvc建伍株式会社 | Audio reproducing device and speaker device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6455006B2 (en) | 2019-01-23 |
| JP2016032187A (en) | 2016-03-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20180729 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |