CN208424747U - A kind of double drive racetrack loudspeaker - Google Patents
A kind of double drive racetrack loudspeaker Download PDFInfo
- Publication number
- CN208424747U CN208424747U CN201820751723.9U CN201820751723U CN208424747U CN 208424747 U CN208424747 U CN 208424747U CN 201820751723 U CN201820751723 U CN 201820751723U CN 208424747 U CN208424747 U CN 208424747U
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- China
- Prior art keywords
- double
- loudspeaker
- excitation
- track type
- type bracket
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Abstract
The utility model discloses a kind of double drive racetrack loudspeaker, including track type bracket, track type stent inner surface is provided with sounding component, the upper end of track type bracket is provided with one layer of dust filtering cover board, double drive device of excitation are provided with immediately below dust filtering cover board, double bottom ends for driving device of excitation are provided with runway loudspeaker pedestal, it is double to drive the double end voice coil for being provided with double end voice coil the utility model at left and right sides of device of excitation using the electric current of the same circuit while driving the left and right sides, and the coil above and below double end voice coil drives simultaneously, enhance the power of entire loudspeaker work, improve the effect of loudspeaking and using by the magnetized processing of magnetic oscillator, it can reach on reasonable installation and be completely counterbalanced by magnetic oscillator self gravity, realize overdelicate performance, existing magnetic oscillator is solved using non-magnetic core, it is easy to be affected by gravity Cause the vibration sensitivity of oscillator low, the problem of cannot being widely used in the loudspeaker arrangement of accuracy, influence loudspeaking quality.
Description
Technical field
The utility model relates to speaker technology field, specially a kind of double drive racetrack loudspeaker.
Background technique
Currently, speaker unit has been widely used for each field of people's life, such as various conference halls, play
The places such as institute, large-scale square.The working principle of existing speaker unit are as follows: access AC signal at voice coil both ends, voice coil is in magnetic
Cutting magnetic line between body and magnetic conductive board and generate vibration, and vibrating diaphragm and cone basin is pushed to vibrate, to make a sound.However, existing
There is speaker unit using single magnetic circuit system is increased, improve magnetic circuit system to the driving force of voice coil, to improve to sound basin
Motive force, make a sound；Such speaker unit is low with sensitivity, power is small and excessive magnetic circuit system is unfavorable for pacifying very much
Dress and defect with high costs.
For example, application No. is 201720416335.0, a kind of entitled dual-drive speaker device utility model patent:
The utility model is equipped with the first magnetic circuit system and the second magnetic circuit system, when the voice coil in magnetic field has tone currents
By when, voice coil will generate with tone currents changing magnetic field, this changing magnetic field and the first magnetic circuit system and the second magnetic
Under the interaction for the magnetic field motive force that road system generates, pushes and drive voice coil axially reciprocating, to drive sound
Basin issues sound wave；The second magnetic circuit system is arranged in the utility model embodiment, and passes through the first magnetic circuit system and the second magnetic circuit system
The double magnetic field motive forces generated provide bigger power to increase the motive force to voice coil for the vibration of sound basin, improve double
The sensitivity of drive the speaker device and power；And the second magnetic circuit system of the present embodiment is arranged inside speaker unit, has
Advantage easy to install, at low cost.
But existing double racetrack loudspeaker that drive still have following defect:
(1) electric current that existing double drive uses is not using electric current of going the same way, and may cause in control process there are error,
The a little phase deviation or amplitude excursion of current signal may all influence the loud-speaking effect of loudspeaker；
(2) existing magnetic oscillator uses non-magnetic core, is easy to be affected by gravity and causes the vibration sensitivity of oscillator low,
It cannot be widely used in the loudspeaker arrangement of accuracy, influence loudspeaking quality.
Summary of the invention
In order to overcome the shortcomings of prior art, the utility model provides a kind of double drive racetrack loudspeaker, can be effective
Solve the problems, such as background technique propose.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of double drive racetrack loudspeaker, including track type bracket, the track type stent inner surface are provided with sounding group
Part, the upper end of the track type bracket are provided with one layer of dust filtering cover board, and double drive starting of oscillations are provided with immediately below the dust filtration cover board
Device, double bottom ends for driving device of excitation are provided with runway loudspeaker pedestal, and double drive is all provided at left and right sides of device of excitation
It is equipped with double end voice coil；
Double device of excitation that drive include support column, and the upper and lower ends of the support column are respectively connected with spacing block, described
The upper end of support column is provided with magnet on U-shaped, and the lower end of the support column is provided with magnet under U-shaped；
The double end voice coil includes magnetic oscillator, and the upper end of the magnetic oscillator is connected with magnetisation coil, the magnetic
The lower end of property oscillator is connected with lower magnetisation coil.
Further, the correction elastic slice of horizontal direction, a left side for the track type bracket are provided in the track type bracket
Right two sides are provided with signal incoming end.
Further, the sounding component includes slope cone, and the upper surface of the track type bracket is provided with ring.
Further, the runway loudspeaker pedestal includes to be connected to double side gears driven at left and right sides of device of excitation
The upper end of block, the side block is connected with damping cushion.
Further, on the U-shaped under magnet and the U-shaped magnet corresponding surface magnetic pole on the contrary, the magnetic oscillator and institute
It is identical to state on U-shaped magnet corresponding surface magnetic pole under magnet or the U-shaped.
Compared with prior art, the utility model has the beneficial effects that
(1) the utility model drives the double end voice coil of the left and right sides, and double end using the electric current of the same circuit simultaneously
Coil above and below voice coil drives simultaneously, enhances the power of entire loudspeaker work, improves the effect of loudspeaking；
(2) the utility model on reasonable installation by can reach and be completely counterbalanced by the magnetized processing of magnetic oscillator
Magnetic oscillator self gravity realizes overdelicate performance, solves existing magnetic oscillator using non-magnetic core, is easy by gravity
Influence causes the vibration sensitivity of oscillator low, cannot be widely used in the loudspeaker arrangement of accuracy, influence loudspeaking quality
Problem.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model core component enlarged structure schematic diagram.
Figure label:
1- track type bracket；2- sounding component；3- dust filtering cover board；4- runway loudspeaker pedestal；The bis- drive device of excitation of 5-；6- is bis-
Head tone circle；
101- corrects elastic slice；102- signal incoming end；
201- ring；The slope 202- cone；
The side 401- block；402- damping cushion；
Magnet in 501-U shape；502- spacing block；503- support column；Magnet under 504-U shape；
The upper magnetisation coil of 601-；602- magnetic oscillator；Magnetisation coil under 603-.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1, it includes track type bracket 1, the race that the utility model, which provides a kind of double drive racetrack loudspeaker,
Shape bracket 1 inner surface in road is provided with sounding component 2, and the upper end of the track type bracket 1 is provided with one layer of dust filtering cover board 3, described
The underface of dust filtering cover board 3 is provided with double drive device of excitation 5, and double bottom ends for driving device of excitation 5 are provided with runway loudspeaker bottom
Seat 4, double left and right sides for driving device of excitation 5 are provided with double end voice coil 6；
The specific workflow of the utility model, the fixed entire sounding component of track type bracket 1, double 5 benefits of drive device of excitation
Internal starting of oscillation is formed with the variation of AC signal, starting of oscillation component drives 2 vibration sounding of sounding component.
As shown in Figure 1, the correction elastic slice 101 of horizontal direction is provided in the track type bracket 1, the track type bracket
1 left and right sides is provided with signal incoming end 102.
Correcting elastic slice 101 can guarantee that double end voice coil 6 is in a vertical state, avoid leading to double end voice coil 6 in vibration processes
There is skew.
As shown in Figure 1, the sounding component 2 includes slope cone 202, the upper surface setting of the track type bracket 1
There is ring 201.
Slope cone 202 is to vibration sounding, and ring 201 is convenient for installation by hand.
As shown in Figure 1, the runway loudspeaker pedestal 4 includes to be connected to double sides for driving 5 left and right sides of device of excitation
The upper end of side bumper block 401, the side block 401 is connected with damping cushion 402.
Side block 401 guarantees entire double stabilizations for driving device of excitation 5, and damping cushion 402 reduces vibration, avoids influencing to pacify
Dress.
As shown in Fig. 2, double device of excitation 5 that drive include support column 503, the upper and lower ends of the support column 503 are equal
It is connected with spacing block 502, the upper end of the support column 503 is provided with magnet 501 on U-shaped, the lower end setting of the support column 503
There are magnet 504 under U-shaped；
Double drive device of excitation 5 utilize bipolar driving, enhance the vibration of magnetic oscillator 602, mutually go the same way in electric current while driving
Lower magnetisation coil generates magnetism, common to attract or repel magnetic oscillator 602, reaches the function of the more strong vibration of magnetic oscillator 602.
As shown in Fig. 2, the double end voice coil 6 includes magnetic oscillator 602, the upper end of the magnetic oscillator 602 is connected with
Upper magnetisation coil 601, the lower end of the magnetic oscillator 602 are connected with lower magnetisation coil 603.
Skirt is dynamic simultaneously for upper and lower magnetisation coil, changes previous unicoil driving method, enhances driving capability, so that loudspeaker
Loud-speaking effect is more preferable.
As shown in Fig. 2, magnet 501 is with 504 corresponding surface magnetic pole of magnet under the U-shaped on the contrary, the magnetic vibration on the U-shaped
Son 602 is identical as 504 corresponding surface magnetic pole of magnet under magnet 501 on the U-shaped or the U-shaped.
Magnet phase heterogeneite on upper and lower U-shaped can simultaneously act on magnetic oscillator 602, be completely counterbalanced by magnetic oscillator 602 certainly
Body gravity, the electric current driving for reaching very little can be realized vibration, greatly improve the sensitivity of loudspeaker.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (5)
1. a kind of double drive racetrack loudspeaker, it is characterised in that: including track type bracket (1), the interior table of the track type bracket (1)
Face is provided with sounding component (2), and the upper end of the track type bracket (1) is provided with one layer of dust filtering cover board (3), the dust filtration cover board
(3) double drives device of excitation (5) are provided with immediately below, double bottom ends for driving device of excitation (5) are provided with runway loudspeaker pedestal
(4), double drive is provided with double end voice coil (6) at left and right sides of device of excitation (5)；
Double drive device of excitation (5) include support column (503), the upper and lower ends of the support column (503) be respectively connected with every
From block (502), the upper end of the support column (503) is provided with magnet on U-shaped (501), the lower end setting of the support column (503)
There are magnet under U-shaped (504)；
The double end voice coil (6) includes magnetic oscillator (602), and the upper end of the magnetic oscillator (602) is connected with magnetisation line
It encloses (601), the lower end of the magnetic oscillator (602) is connected with lower magnetisation coil (603).
2. a kind of double drive racetrack loudspeaker according to claim 1, it is characterised in that: in the track type bracket (1)
It is provided with the correction elastic slice (101) of horizontal direction, is provided with signal incoming end at left and right sides of the track type bracket (1)
(102)。
3. a kind of double drive racetrack loudspeaker according to claim 1, it is characterised in that: the sounding component (2) includes
Have slope cone (202), the upper surface of the track type bracket (1) is provided with ring (201).
4. a kind of double drive racetrack loudspeaker according to claim 1, it is characterised in that: the runway loudspeaker pedestal (4)
Include to be connected to double side block (401) driven at left and right sides of device of excitation (5), the side block (401) it is upper
End is connected with damping cushion (402).
5. a kind of double drive racetrack loudspeaker according to claim 1, it is characterised in that: on the U-shaped magnet (501) with
Magnet (504) corresponding surface magnetic pole under the U-shaped is on the contrary, the magnetic oscillator (602) and magnet (501) or the U on the U-shaped
Magnet (504) corresponding surface magnetic pole is identical under shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820751723.9U CN208424747U (en) | 2018-05-21 | 2018-05-21 | A kind of double drive racetrack loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820751723.9U CN208424747U (en) | 2018-05-21 | 2018-05-21 | A kind of double drive racetrack loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208424747U true CN208424747U (en) | 2019-01-22 |
Family
ID=65115931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820751723.9U Expired - Fee Related CN208424747U (en) | 2018-05-21 | 2018-05-21 | A kind of double drive racetrack loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208424747U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110896517A (en) * | 2019-10-31 | 2020-03-20 | 瑞声科技(新加坡)有限公司 | Screen sound production exciter and electronic equipment |
-
2018
- 2018-05-21 CN CN201820751723.9U patent/CN208424747U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110896517A (en) * | 2019-10-31 | 2020-03-20 | 瑞声科技(新加坡)有限公司 | Screen sound production exciter and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190122 Termination date: 20200521 |
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| CF01 | Termination of patent right due to non-payment of annual fee |