CN207022145U - A kind of audio amplifier - Google Patents
A kind of audio amplifier Download PDFInfo
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- CN207022145U CN207022145U CN201720501814.2U CN201720501814U CN207022145U CN 207022145 U CN207022145 U CN 207022145U CN 201720501814 U CN201720501814 U CN 201720501814U CN 207022145 U CN207022145 U CN 207022145U
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- audio amplifier
- loudspeaker
- side plate
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- hole
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Abstract
Field of acoustics is the utility model is related to, to reduce the volume of audio amplifier.Audio amplifier includes loudspeaker panel, at least one loudspeaker is installed in the loudspeaker panel, the audio amplifier also includes shell, the loudspeaker panel installation is on the housing, casing is provided between the loudspeaker panel and shell, the casing includes bottom plate and side plate, and the loudspeaker panel is provided with least one paraphase hole, it is provided with and paraphase hole number identical dividing plate, opening position of the dividing plate between loudspeaker and paraphase hole between the casing and bottom plate.
Description
Technical field
Technical field of acoustics is the utility model is related to, in particular, is related to a kind of audio amplifier.
Background technology
Audio amplifier is the terminal of sound system, and its effect is that audio electric energy is converted into corresponding acoustic energy, and it is radiated
Space is gone.It is the extremely important part of sound system, because it is responsible for is transformed into acoustical signal electric signal, for people's
The mission critical that ear is directly listened to, the sense of hearing that it will be directly with people are come into contacts with, and the sense of hearing of people is very sensitive, and right
The tone color of complex sound has very strong resolving ability.
Phase-reversing tube can be all set in existing audio amplifier, and phase-reversing tube connects with audio amplifier, makes bass backward-wave and positive phase wave phase
Superposition, increase bass intensity, the sound of audio amplifier can be allowed more preferable, the scope of sounding is bigger, and low frequency and other effects is more preferably.But guide pipe
Also the volume of audio amplifier can be increased, the volume of audio amplifier can be caused larger, brought inconvenience to transport, installation and use.
Therefore, how to provide a kind of volume smaller audio amplifier, the problem of turning into urgent need to resolve.
Utility model content
The utility model provides a kind of smaller audio amplifier of volume.
The purpose of this utility model is achieved through the following technical solutions：
A kind of audio amplifier, including loudspeaker panel, at least one loudspeaker is installed in the loudspeaker panel, the audio amplifier also wraps
Shell is included, the loudspeaker panel installation on the housing, is provided with casing, the casing bag between the loudspeaker panel and shell
Bottom plate and side plate are included, the loudspeaker panel is provided with least one paraphase hole, is provided between the casing and bottom plate and paraphase hole
Quantity identical dividing plate, opening position of the dividing plate between loudspeaker and paraphase hole.
Preferably, the side plate includes the first the first side plate, the second side plate, the 3rd side plate and the 4th side plate to connect, institute
State the first side plate to be oppositely arranged with the 3rd side plate, the second side plate is oppositely arranged with the 4th side plate, the dividing plate and the second side plate,
Four side plates are be arranged in parallel, and the dividing plate is fixed on the 3rd side plate, and are provided with gap with first side plate.Using this
Mode can allow the structure of casing more firm, so as to allow loudspeaker box structure to consolidate, after audio amplifier installation, because dividing plate is fixed on lower section
The 3rd side plate on, avoid the risk that dividing plate comes off.
Preferably, the loudspeaker panel is provided with least four loudspeakers, and at least four loudspeaker is in vertical line style
Arrangement.Using this structure audio amplifier can be allowed to send column ripple, allow the sound of audio amplifier more to concentrate, audience can become apparent from
The sound heard audio amplifier and sent.
Preferably, the dividing plate is close to the loudspeaker panel, while the dividing plate is close to the bottom plate.So can be with
The space between loudspeaker panel and bottom plate is separated using dividing plate, and forms phase-reversing tube.
Preferably, the height of the dividing plate is more than the height of a loudspeaker, while the height of dividing plate is less than or equal to two
The height of loudspeaker.The space that can so allow between dividing plate cut-off space loudspeaker panel and bottom plate, while do not interfere with sound yet
The normal work of case, ensure tonequality.
Preferably, the height of the paraphase hole is less than the height of the dividing plate, the width of the paraphase hole be less than or equal to every
Plate and the distance between the second side plate or the 4th side plate.Dividing plate can so be allowed by the space and the position of paraphase hole where loudspeaker
Put and separate, allow paraphase hole not interfere with the tonequality of audio amplifier.
Preferably, the audio amplifier is provided with two paraphase holes, and two paraphase holes are arranged on the both sides of loudspeaker, and two are fallen
Phase hole is symmetrical arranged, and the audio amplifier is provided with two dividing plates, and two dividing plates are symmetrical arranged.It is symmetrical arranged the sound that audio amplifier can be allowed to send
Sound is more well-balanced, and the sense of hearing of audience is more preferable.
Preferably, the loudspeaker panel is provided with mounting hole, and fixed block, the fixed block are provided with the interior angle of the casing
The fixing hole coordinated with mounting hole is provided with, the audio amplifier is provided with screw and is arranged in the mounting hole and fixing hole.Thus
It can be installed along with after loudspeaker panel and casing installation on shell, convenient installation.
Preferably, the audio amplifier also includes being covered in guard in the loudspeaker panel, the guard include guard frame and
Screen cloth on guard frame, the guard frame have magnetic.Guard is set to protect loudspeaker, in general loudspeaker panel
Guard, is arranged in loudspeaker panel, guard frame by the part of the ironys such as upper meeting mounting screw using the magnetic can of guard frame
Magnetic magnet can be installed on guard frame.
Preferably, the loudspeaker panel is provided with through hole, and the loudspeaker is arranged in the through hole, and the audio amplifier is also set
Have fixing screws loudspeaker being fixed in loudspeaker panel.Thus loudspeaker stabilization can be arranged on loudspeaker panel
On, ensure the quality of loudspeaker sound.
Audio amplifier in the utility model is due to including loudspeaker panel, at least one raise one's voice is provided with the loudspeaker panel
Device, the audio amplifier also include shell, and the loudspeaker panel installation on the housing, is provided between the loudspeaker panel and shell
Casing, the casing include bottom plate and side plate, and the loudspeaker panel is provided with least one paraphase hole, the casing and bottom plate it
Between be provided with and paraphase hole number identical dividing plate, opening position of the dividing plate between loudspeaker and paraphase hole.Using this
Kind mode, it is possible to using the space between loudspeaker panel and bottom plate, reuse dividing plate and separate, form phase-reversing tube, lead to paraphase
Hole, then towards the external world, so as to save space, it is not necessary to separately set phase-reversing tube, take full advantage of the inner space of audio amplifier, not only allow audio amplifier
Volume it is smaller, and save the amount of parts that audio amplifier uses, save cost, be also convenient for repairing.
Brief description of the drawings
Fig. 1 is the decomposing schematic representation of the audio amplifier of the utility model embodiment；
Fig. 2 is the explosive view of the audio amplifier of the utility model embodiment；
Fig. 3 is the casing of the audio amplifier of the utility model embodiment and the schematic diagram of loudspeaker；
Fig. 4 is the casing of the audio amplifier of the utility model embodiment and the decomposing schematic representation of loudspeaker.
Reference：
1- loudspeaker panels, 2- shells, 3- casings, 4- dividing plates, 5- guards, 11- loudspeakers, 12- paraphase holes, 13- mounting holes,
14- slopes, 15- through holes, 21- fixed blocks, 22- fixing holes, 23- housing frames, 24- shell bottom plates, 25- wire casings, 31- bottom plates,
32- side plates, the side plates of 33- first, the side plates of 34- second, the side plates of 35- the 3rd, the side plates of 36- the 4th, 51- guard frames, 52- screen cloths.
Embodiment
In description of the present utility model, it is to be understood that term " " center ", " transverse direction ", " on ", " under ", " left side ",
The orientation or position relationship of the instruction such as " right side ", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are based on shown in the drawings
Orientation or position relationship, it is for only for ease of description the utility model and simplifies description, rather than indicates or imply signified dress
Put or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the utility model
Limitation.In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In description of the present utility model, unless otherwise indicated, the implication of " multiple "
It is two or more.In addition, term " comprising " and its any deformation, it is intended that cover non-exclusive include.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
The utility model is described in further detail with preferred embodiment below in conjunction with the accompanying drawings.
As shown in Figures 1 to 4, the utility model embodiment discloses a kind of audio amplifier, including loudspeaker panel 1, the loudspeaker
At least one loudspeaker 11 is installed, the audio amplifier also includes shell 2, and the loudspeaker panel 1 is arranged on the shell 2 on plate 1
On, casing 3 is provided between the loudspeaker panel 1 and shell 2, the casing 3 includes bottom plate 31 and side plate 32, the loudspeaker panel
1 is provided with least one paraphase hole 12, is provided with and the quantity identical dividing plate 4 of paraphase hole 12, institute between the casing 3 and bottom plate 31
State opening position of the dividing plate 4 between loudspeaker 11 and paraphase hole 12.In the present embodiment, the sky between dividing plate 4 and side plate 32
Between can formed phase-reversing tube.
Audio amplifier in the utility model is due to including loudspeaker panel 1, at least one raise one's voice is provided with the loudspeaker panel 1
Device 11, the audio amplifier also include shell 2, and the loudspeaker panel 1 is arranged on the shell 2, the loudspeaker panel 1 and shell 2
Between be provided with casing 3, the casing 3 includes bottom plate 31 and side plate 32, and the loudspeaker panel 1 is provided with least one paraphase hole
12, between the casing 3 and bottom plate 31 be provided with the quantity identical dividing plate 4 of paraphase hole 12, the dividing plate 4 be located at loudspeaker 11 and
Opening position between paraphase hole 12.In this way, it is possible to using the space between loudspeaker panel 1 and bottom plate 31, then
Separated using dividing plate 4, form phase-reversing tube, lead to paraphase hole 12, then towards the external world, so as to save space, it is not necessary to phase-reversing tube is separately set,
The inner space of audio amplifier is taken full advantage of, not only allows the volume of audio amplifier smaller, and saves the amount of parts that audio amplifier uses,
Cost is saved, is also convenient for repairing.
For the principle of more clear explanation phase-reversing tube, the principle of loudspeaker is described further in the present embodiment.
The vibrating diaphragm of loudspeaker, there is papery, also there are plastics, let it be, and what material is, at work, vibrating diaphragm will not stop loudspeaker
Move forward and backward, to promote air, and then the incoming human ear of vibration, make one to hear sound.Common phase inverted cabinet is loudspeaker
Vibrating diaphragm, which is exposed, carrys out sounding, and the rear of loudspeaker also has vibration, if the vibration of loudspeaker rearward is also utilized
Coming, sound wave will be strengthened, supper bass is strengthened, after phase-reversing tube is installed, because the diameter of phase-reversing tube is smaller than loudspeaker diameter, institute
Gone out with the sound wave for just having stronger from phase-reversing tube, so, the sound wave of loudspeaker forwards and rearward is obtained for
Utilize, improve audio amplifier tonequality.And the phase-reversing tube installation site of common phase inverted cabinet is different, the product handle having of market
Phase-reversing tube is arranged on audio amplifier rear, and loudspeaker is arranged in front of audio amplifier, this audio amplifier should be noted that when putting should not be audio amplifier after
Paste on the wall, because can so prevent phase-reversing tube from pronouncing in portion；And some products are then arranged on loudspeaker in front of audio amplifier, phase-reversing tube
It is also mounted in front of audio amplifier；Loudspeaker is arranged on audio amplifier bottom by some products, and phase-reversing tube is arranged in front of audio amplifier, such production
Product are referred to as " bottom surface booster-type audio amplifier ", with the in the majority of rambler and Philips.Regardless of the position of loudspeaker and phase-reversing tube,
Actually they playback effect it is all more close, supper bass effect is all similar.
Side plate 32 includes the first the first side plate 33, the second side plate 34, the 3rd side plate 35 and the 4th side plate 36 to connect, described
First side plate 33 is oppositely arranged with the 3rd side plate 35, and the second side plate 34 is oppositely arranged with the 4th side plate 36, the dividing plate 4 and second
Side plate 34, the 4th side plate 36 are be arranged in parallel, and the dividing plate 4 is fixed on the 3rd side plate 35, and with first side plate 33
Provided with gap.Phase-reversing tube is formed between dividing plate and the second side plate 34 or the 4th side plate 36, certainly, if dividing plate is provided with two,
One of dividing plate and the second side plate 34 form a phase-reversing tube, and another dividing plate and the 4th side plate 36 form another paraphase
Pipe.Can allow the structure of casing 3 more firm in this way, so as to allow loudspeaker box structure to consolidate, after audio amplifier installation, due to every
Plate is fixed on the 3rd side plate 35 of lower section, avoids the risk that dividing plate comes off.The present embodiment bottom plate 31 is provided with wire casing 25,
Wire casing 25 is provided in the relative one side of shell 2, thus can conveniently connect up.The present embodiment bottom plate 31 is provided with wiring position
Put, wiring position is located at the medium position of wire casing 25, and the wiring position on bottom plate 31 is connected to loudspeaker 11, is set on wiring position
There are terminals to penetrate bottom plate 31.Shell 2 includes housing frame 23 and shell bottom plate 24 in the present embodiment, and shell bottom plate 24 is provided with
Fixed hole position and other hole positions, convenient installation, positioning are installed.
Loudspeaker panel 1 is provided with least four loudspeakers 11, and at least four loudspeaker 11 is arranged in vertical line style.Adopt
With this structure audio amplifier can be allowed to send column ripple, allow the sound of audio amplifier more to concentrate, allow what audience can become apparent to hear
The sound that audio amplifier is sent.
Dividing plate is close to the loudspeaker panel 1, while the dividing plate is close to the bottom plate 31.Dividing plate can so be used
Space between loudspeaker panel 1 and bottom plate 31 is separated, and forms phase-reversing tube.
The height of dividing plate is more than the height of loudspeaker 11, while the height of dividing plate is less than or equal to two loudspeakers 11
Highly.The space that can so allow between dividing plate cut-off space loudspeaker panel 1 and bottom plate 31, while do not interfere with audio amplifier just yet
Often work, ensure tonequality.
The height of paraphase hole 12 is less than the height of the dividing plate, and the width of the paraphase hole 12 is less than or equal to dividing plate and second
The distance between side plate 36 of side plate 34 or the 4th.Dividing plate can so be allowed by the space where loudspeaker 11 and the position of paraphase hole 12
Put and separate, allow paraphase hole 12 not interfere with the tonequality of audio amplifier.
Audio amplifier is provided with two paraphase holes 12, and two paraphase holes 12 are arranged on the both sides of loudspeaker 11, and two paraphase holes
12 are symmetrical arranged, and the audio amplifier is provided with two dividing plates, and two dividing plates are symmetrical arranged.It is symmetrical arranged the sound that audio amplifier can be allowed to send
More well-balanced, the sense of hearing of audience is more preferable.
Loudspeaker panel 1 is provided with mounting hole 13, is provided with fixed block 21 at the interior angle of the casing 3, on the fixed block 21
Provided with the fixing hole 22 coordinated with mounting hole 13, the audio amplifier is provided with screw and is arranged in the mounting hole 13 and fixing hole 22.
After thus loudspeaker panel 1 and casing 3 can be installed, it is installed along with shell 2, convenient installation.It is fixed in the present embodiment
Block 21 is provided with four, and respectively at the corner location of casing 3, fixing hole 22 is equipped with each fixed block 21.Corresponding screw
It also is provided with four.In the present embodiment, as illustrated, slope 14 is provided with two fixed blocks 21 of the opening position of the 3rd side plate 35,
Paraphase hole 12 can be so allowed to be easier paraphase, it is convenient to propagate.
Audio amplifier also includes the guard 5 being covered in the loudspeaker panel 1, and the guard 5 includes guard frame 51 and is arranged on
Screen cloth 52 on guard frame 51, the guard frame 51 have magnetic.Guard 5 is set to protect loudspeaker 11, in general is raised one's voice
The part of the irony such as meeting mounting screw, loudspeaker panel 1 is arranged on using the magnetic can of guard frame 51 by guard on device plate 1
On, the magnetic of guard frame 51 can install magnet on guard frame 51.Guard frame 51 can utilize magnetic absorption in the present embodiment
On the screw of mounting hole 13.Loudspeaker 11 is provided with four in the present embodiment, and guard frame 51 is provided with two guard through holes, wherein
Shown per two adjacent loudspeakers 11 by one of through hole.
Loudspeaker panel 1 is provided with through hole 15, and the loudspeaker 11 is arranged in the through hole 15, the audio amplifier be additionally provided with by
Loudspeaker 11 is fixed on the fixing screws in loudspeaker panel 1.Thus the stabilization of loudspeaker 11 can be arranged on loudspeaker panel 1
On, the quality of the guarantee sound of loudspeaker 11.Each loudspeaker 11 is fixed provided with four fixing screws in the present embodiment, is being raised respectively
At the corner location of sound device 11, what so can more be consolidated is fixed on loudspeaker 11 in loudspeaker panel 1.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that specific implementation of the present utility model is confined to these explanations.For the ordinary skill of the utility model art
For personnel, without departing from the concept of the premise utility, some simple deduction or replace can also be made, should all be regarded
To belong to the scope of protection of the utility model.
Claims (10)
1. a kind of audio amplifier, it is characterised in that including loudspeaker panel, at least one loudspeaker, institute are provided with the loudspeaker panel
Stating audio amplifier also includes shell, and the loudspeaker panel installation on the housing, is provided with casing between the loudspeaker panel and shell,
The casing includes bottom plate and side plate, and the loudspeaker panel is provided with least one paraphase hole, set between the casing and bottom plate
Have and paraphase hole number identical dividing plate, opening position of the dividing plate between loudspeaker and paraphase hole.
2. audio amplifier according to claim 1, it is characterised in that the side plate includes the first the first side plate to connect, second
Side plate, the 3rd side plate and the 4th side plate, first side plate are oppositely arranged with the 3rd side plate, and the second side plate is relative with the 4th side plate
Set, the dividing plate be arranged in parallel with the second side plate, the 4th side plate, and the dividing plate is fixed on the 3rd side plate, and with institute
State the first side plate and be provided with gap.
3. audio amplifier according to claim 2, it is characterised in that the loudspeaker panel is provided with least four loudspeakers, institute
At least four loudspeakers are stated to arrange in vertical line style.
4. audio amplifier according to claim 3, it is characterised in that the dividing plate is close to the loudspeaker panel, while described
Dividing plate is close to the bottom plate.
5. audio amplifier according to claim 3, it is characterised in that the height of the dividing plate is more than the height of a loudspeaker,
The height of dividing plate is less than or equal to the height of two loudspeakers simultaneously.
6. audio amplifier according to claim 5, it is characterised in that the height of the paraphase hole is less than the height of the dividing plate,
The width of the paraphase hole is less than or equal to dividing plate and the distance between the second side plate or the 4th side plate.
7. audio amplifier according to claim 6, it is characterised in that the audio amplifier is provided with two paraphase holes, and two paraphase holes are set
Put in the both sides of loudspeaker, and two paraphase holes are symmetrical arranged, and the audio amplifier is provided with two dividing plates, and two dividing plates are symmetrically set
Put.
8. audio amplifier according to claim 1, it is characterised in that the loudspeaker panel is provided with mounting hole, the casing
Fixed block is provided with interior angle, the fixed block is provided with the fixing hole coordinated with mounting hole, and the audio amplifier is arranged on provided with screw
In the mounting hole and fixing hole.
9. audio amplifier according to claim 1, it is characterised in that the audio amplifier also includes being covered in the loudspeaker panel
Guard, the guard include guard frame and the screen cloth on guard frame, and the guard frame has magnetic.
10. audio amplifier according to any one of claims 1 to 9, it is characterised in that the loudspeaker panel is provided with through hole, described
Loudspeaker is arranged in the through hole, and the audio amplifier is additionally provided with the fixing screws being fixed on loudspeaker in loudspeaker panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720501814.2U CN207022145U (en) | 2017-05-08 | 2017-05-08 | A kind of audio amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720501814.2U CN207022145U (en) | 2017-05-08 | 2017-05-08 | A kind of audio amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207022145U true CN207022145U (en) | 2018-02-16 |
Family
ID=61475734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720501814.2U Active CN207022145U (en) | 2017-05-08 | 2017-05-08 | A kind of audio amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207022145U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110460935A (en) * | 2019-09-19 | 2019-11-15 | 深圳东原电子有限公司 | A kind of hidden phase-reversing tube bar speaker structure |
-
2017
- 2017-05-08 CN CN201720501814.2U patent/CN207022145U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110460935A (en) * | 2019-09-19 | 2019-11-15 | 深圳东原电子有限公司 | A kind of hidden phase-reversing tube bar speaker structure |
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