CN205647911U - Establish ties and recommend bass reflex formula audio amplifier - Google Patents
Establish ties and recommend bass reflex formula audio amplifier Download PDFInfo
- Publication number
- CN205647911U CN205647911U CN201620213992.0U CN201620213992U CN205647911U CN 205647911 U CN205647911 U CN 205647911U CN 201620213992 U CN201620213992 U CN 201620213992U CN 205647911 U CN205647911 U CN 205647911U
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- plate
- leading note
- audio amplifier
- hole
- bass reflex
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Abstract
The utility model discloses an establish ties and recommend bass reflex formula audio amplifier, its trapezoidal fan -shaped structure box that includes roof, bottom plate, curb plate, loudspeaker board, back plate constitution, the box is inside hollow structure, and it still includes and be equipped with the leading note through -hole on the leading note board face by the leading note board, and leading note board front and back end is connected loudspeaker board, back plate respectively, and roof and curb plate are connected respectively to the lower extreme on the leading note board, the leading note board encloses with roof, curb plate establishes the bass reflex paraphase pore structure that forms, paraphase hole front end and the outside intercommunication of box, and the downthehole portion of paraphase is through leading note through -hole on the leading note board and body cavity intercommunication, simple reasonable in design's the whole body cavity's of reinforcing shock attenuation mechanics is eliminated low sound column wave form and is become, and the box is firm, also more clear and the sound wave and preceding homophase stack to the sound wave of reflection have improved audio amplifier sensitivity for the bass, and the acoustic pressure level can compensate, the inside air of box forms the pressure differential, easily takes place the air and flows, the box heat dissipation of being convenient for.
Description
Technical field
This utility model relates to field of audio, recommends bass reflex formula audio amplifier particularly to one series connection.
Background technology
Unclear due to the oral expression at ordinary times or reason of layman, it is the same that ordinary people takes for sound equipment with audio amplifier,
Sound equipment is two different concepts with audio amplifier in fact.From the point of view of more popular, sound equipment is audio amplifier+power amplifier+acoustic source system in general,
It it is a system；And audio amplifier the most simply wooden case adds the structure of loudspeaker.Audio amplifier is an indispensable group inside sound equipment
Becoming module, it can be described as being the extremely important ingredient of sound system, because it is responsible for, and the signal of telecommunication is transformed into acoustical signal
Ear for people directly listens to so one mission critical, the direct audition with people to come into contacts with, and the audition of people is the sensitiveest
, and the tone color of complex sound is had the strongest resolving ability.Owing to the subjective feeling of sound is evaluated one by human ear just
The most important standard of sound system tonequality quality, accordingly, it is believed that a sound system is put by the performance height of audio amplifier
Sound quality is to play pivotal role.
Series connection is recommended bass reflex formula audio amplifier and is usually the loudspeaker that by sound box, are fixed on sound box and phase-reversing tube forms.
Its marked feature is through phase-reversing tube and is communicated with free surrounding space by box house, and that outlet communicated with the external world is exactly paraphase
Hole, operationally, vibrating diaphragm will ceaselessly seesaw speaker, promotes air, makes people hear sound；The work of phase-reversing tube
With being by the air of the vibration of box house, with the sound wave homophase of loudspeaker forward radiation, increase sound pressure level.But, prior art
In, owing to the pipe that the phase-reversing tube of bass reflex formula audio amplifier employing is all straight barrel type is recommended in current all series connection, when audio amplifier works,
The air of box house, almost without pressure differential, will not occur air to flow, the mode of heat radiation can only be all by heat loss through conduction or
Heat loss through radiation mode is carried out.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of series connection and recommends bass reflex formula audio amplifier, owing to recommending, and its extension
It extends the low-frequency minimum of audio amplifier, typically can reach 20Hz, and decreases the non-linear distortion of sound wave at its lower limit；Simultaneously by
In tandem working, bigger power can be born thus duty is more stable；The appropriate design of paraphase hole strengthens whole cabinets cavity
Damping mechanics, eliminate low sound column ripple and formed, casing is firm, bass is the most apparent and the homophase of the sound wave that reflects and forward direction sound wave
Superposition, improves audio amplifier sensitivity, and sound pressure level is compensated for；The air of box house forms pressure differential, it is easy to air stream occurs
Dynamic, it is simple to casing dispels the heat.
In order to solve above-mentioned technical problem, the technical solution of the utility model is: bass reflex formula audio amplifier is recommended in a kind of series connection, its
The casing constituted including top board, base plate, side plate, loudspeaker plate, described casing is hollow structure inside, and top board, base plate set up separately
The upper and lower end face of casing, two blocks of side plates set up separately at casing left and right end face, and the upper and lower two ends of side plate connect top board, base plate respectively；Back plate
Being arranged on box back face, back plate upper and lower end face connects top board, base plate respectively；Described loudspeaker plate is located at casing front end face, loudspeaker
Plate upper and lower end face connects top board, base plate respectively；
It also includes that leading note plate, leading note plate plate face are provided with leading note through hole, and leading note plate front and back end connects loudspeaker plate, back plate respectively,
Leading note plate upper and lower side connects top board and side plate respectively, makes leading note plate and top board, side plate enclose to set and form a paraphase hole structure, paraphase
Front end, hole and casing ft connection, paraphase hole is internal to be connected with cabinets cavity by the leading note through hole on leading note plate；
Preferably, described series connection is recommended bass reflex formula audio amplifier and is also included central dividing plate, and central dividing plate is arranged in the middle part of cabinets cavity,
It accepts top board, base plate connects top board, base plate respectively as reinforcement, central dividing plate upper and lower end, and front and back ends connects respectively
Loudspeaker plate, back plate；
Preferably, the loudspeaker plate that bass reflex formula audio amplifier includes that two block size shapes are identical is recommended in described series connection, and two blocks of loudspeaker plates divide
If about casing front end, connecting central dividing plate between loudspeaker plate, central dividing plate is identical by being separated out two size shape between cabinets cavity
Chamber；Central dividing plate plate face is provided with through hole, for the bass of series connection two chambers；
Described back plate is provided with cable-through hole, it is preferred that described back plate is provided with rosette installing hole；
Preferably, described side plate is provided with several and takes out hands, facilitates mobile offer of audio amplifier carrying to assist；Taking out hands described in You Xuan is side
The through hole arranged on plate, through hole edge bound edge, size shape facilitates palm to hook to hold and be advisable, be provided with sealing block, prevent inside through hole
Ventilative leakage sound.
Preferably, described top board is provided with several grooves, and described base plate is provided with several feets, described feet size, shape with
Groove size, shape are suitable, make feet can insert groove and fix restriction and rock, when facilitating several audio amplifier stacked group battle arrays to use
Fixing use, will not walk because of vibration when making audio amplifier work；
Use technique scheme, due to the design advantages of simple of paraphase hole so that series connection is recommended bass reflex formula audio amplifier and can be passed through
Box house is communicated by paraphase hole with free surrounding space, and that outlet communicated with the external world is exactly paraphase hole, speaker operationally,
Vibrating diaphragm will ceaselessly seesaw, and promotes air, makes people hear sound；And paraphase hole is by the air of the vibration of box house
With the sound wave homophase of loudspeaker forward radiation, increase sound pressure level；When audio amplifier works, the air of box house forms pressure differential, easily
In there is air flowing, casing is facilitated to dispel the heat.
Accompanying drawing explanation
Fig. 1 is the front view that bass reflex formula audio amplifier is recommended in a kind of series connection；
Fig. 2 is the top view that bass reflex formula audio amplifier is recommended in a kind of series connection；
Fig. 3 is the sectional view that bass reflex formula audio amplifier is recommended in a kind of series connection；
Fig. 4 is the side view that bass reflex formula audio amplifier is recommended in a kind of series connection.
Detailed description of the invention
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described further.At this it should be noted that for this
The explanation of a little embodiments is adapted to assist in and understands this utility model, but is not intended that restriction of the present utility model.Additionally, below
Just can be mutual as long as technical characteristic involved in described each embodiment of this utility model does not constitutes conflict each other
Combination.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, bass reflex formula audio amplifier is recommended in a kind of series connection, it include top board 1, base plate 2,
The casing that side plate 3, loudspeaker plate 4, back plate 5 are constituted, described casing is hollow structure inside, and top board 1, base plate 2 set up separately at case
The upper and lower end face of body, two blocks of side plates 3 set up separately at casing left and right end face, and side plate about 3 two ends connect top board 1, base plate 2 respectively；
Back plate 5 is arranged on box back face, and back plate 5 upper and lower end face connects top board 1, base plate 2 respectively；Casing is located at by described loudspeaker plate 4
Front end face, loudspeaker plate 4 upper and lower end face connects top board 1, base plate 2 respectively；
It also includes that leading note plate 6, leading note plate 6 plate face are provided with leading note through hole 61, and leading note plate 6 front and back end connects loudspeaker plate respectively
4, back plate 5, leading note plate 6 upper and lower side connects top board 1 and side plate 3 respectively, make leading note plate 6 and top board 1, side plate 3 enclose set and
Becoming paraphase hole 9 structure, paraphase hole 9 front end and casing ft connection, paraphase hole 9 is internal by the leading note on leading note plate 6
Through hole 61 connects with cabinets cavity 8；
Preferably, described series connection is recommended bass reflex formula audio amplifier and is also included that central dividing plate 7, central dividing plate 7 are arranged at cabinets cavity 8
Middle part, it accepts top board 1, base plate 2 as reinforcement, and central dividing plate 7 upper and lower end connects top board 1, base plate 2 respectively, front,
Rear end connects loudspeaker plate 4, back plate 5 respectively；
Preferably, the loudspeaker plate 4 that bass reflex formula audio amplifier includes that two block size shapes are identical, two blocks of loudspeaker plates 4 are recommended in described series connection
Setting up separately about casing front end, connect central dividing plate 7 between loudspeaker plate 4, central dividing plate 7 is big by being separated out two between cabinets cavity 8
The chamber 81 that little shape is identical；Central dividing plate 7 plate face is provided with through hole, for the bass of series connection two chambers 81；
Described back plate 5 is provided with cable-through hole, it is preferred that described back plate 5 is provided with rosette installing hole 51；
Preferably, it is provided with several outside described side plate 3 and takes out hands 31, facilitate mobile offer of audio amplifier carrying to assist；The most described
Taking out hands 31 is the through hole arranged on side plate 3, through hole edge bound edge, and size shape facilitates palm to hook to hold and be advisable, be provided with inside through hole
Sealing block, prevents ventilative leakage sound.
Preferably, described top board 1 is provided with several grooves 11, and described base plate 2 is provided with several feets 21, described feet 21
Size, shape and groove 11 size, shape are suitable, make feet 21 can insert groove 11 and fix restriction and rock, facilitate some
Individual audio amplifier stacked group battle array fixes use when using, and will not walk because of vibration when making audio amplifier work.
Preferably, cabinet wall is equipped with acoustical cotton, absorbing sound and lowering noise.
Above in association with accompanying drawing, embodiment of the present utility model is explained in detail, but this utility model is not limited to described reality
Execute mode.For a person skilled in the art, in the case of without departing from this utility model principle and spirit, real to these
The mode of executing carries out multiple change, revises, replaces and modification, still falls within protection domain of the present utility model.
Claims (8)
1. a bass reflex formula audio amplifier is recommended in series connection, the casing constituted including top board, base plate, side plate, loudspeaker plate, back plate,
Described box house is hollow structure, and top board, base plate set up separately at the upper and lower end face of casing, and two blocks of side plates set up separately at casing left and right
End face, the upper and lower two ends of side plate connect top board, base plate respectively；Back plate is arranged on box back face, and back plate upper and lower end face connects respectively
Top board, base plate；Casing front end face is located at by described loudspeaker plate, and loudspeaker plate upper and lower end face connects top board, base plate respectively, and its feature exists
In: also including that leading note plate, leading note plate plate face are provided with leading note through hole, leading note plate front and back end connects loudspeaker plate, back plate respectively, leads
Soundboard upper and lower side connects top board and side plate respectively, and leading note plate and top board, side plate enclose to set and form a paraphase hole structure, before paraphase hole
End and casing ft connection, paraphase hole is internal to be connected with cabinets cavity by the leading note through hole on leading note plate.
Bass reflex formula audio amplifier is recommended in series connection the most according to claim 1, it is characterised in that: also include central dividing plate, in
Space bar is arranged in the middle part of cabinets cavity, and it accepts top board, base plate connects top respectively as reinforcement, central dividing plate upper and lower end
Plate, base plate, front and back ends connects loudspeaker plate, back plate respectively.
Bass reflex formula audio amplifier is recommended in series connection the most according to claim 1 and 2, it is characterised in that: include two block size shapes
The loudspeaker plate that shape is identical, two blocks of loudspeaker plates set up separately about casing front end, connect central dividing plate between loudspeaker plate, and central dividing plate is by case
Two identical chambers of size shape it are separated out between intracoelomic cavity.
Bass reflex formula audio amplifier is recommended in series connection the most according to claim 3, it is characterised in that: described central dividing plate plate face sets
There are through hole, through hole two chambers of connection.
Bass reflex formula audio amplifier is recommended in series connection the most according to claim 3, it is characterised in that: if being provided with outside described side plate
Take out hands for dry.
Bass reflex formula audio amplifier is recommended in series connection the most according to claim 5, it is characterised in that taking out hands described in: is to set on side plate
The through hole put, through hole edge bound edge, size shape facilitates palm to hook to hold and be advisable, be provided with sealing block inside through hole.
Bass reflex formula audio amplifier is recommended in series connection the most according to claim 3, it is characterised in that: described top board is provided with several
Groove, described base plate is provided with several feets, and described feet size, shape and groove size, shape are suitable.
Bass reflex formula audio amplifier is recommended in series connection the most according to claim 3, it is characterised in that: described cabinet wall is equipped with
Acoustical cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620213992.0U CN205647911U (en) | 2016-03-17 | 2016-03-17 | Establish ties and recommend bass reflex formula audio amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620213992.0U CN205647911U (en) | 2016-03-17 | 2016-03-17 | Establish ties and recommend bass reflex formula audio amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205647911U true CN205647911U (en) | 2016-10-12 |
Family
ID=57076267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620213992.0U Expired - Fee Related CN205647911U (en) | 2016-03-17 | 2016-03-17 | Establish ties and recommend bass reflex formula audio amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205647911U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109361971A (en) * | 2018-11-28 | 2019-02-19 | 大连国晨科技有限公司 | A kind of Echo Wall stereo set and playback method |
-
2016
- 2016-03-17 CN CN201620213992.0U patent/CN205647911U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109361971A (en) * | 2018-11-28 | 2019-02-19 | 大连国晨科技有限公司 | A kind of Echo Wall stereo set and playback method |
| CN109361971B (en) * | 2018-11-28 | 2023-09-26 | 大连国晨科技有限公司 | Echo wall sound equipment and playing method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161012 Termination date: 20190317 |