CN109874092A - A kind of New-type loudspeaker - Google Patents
A kind of New-type loudspeaker Download PDFInfo
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- CN109874092A CN109874092A CN201910189793.9A CN201910189793A CN109874092A CN 109874092 A CN109874092 A CN 109874092A CN 201910189793 A CN201910189793 A CN 201910189793A CN 109874092 A CN109874092 A CN 109874092A
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- vibrating diaphragm
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- loudspeaker
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- 230000000694 effects Effects 0.000 abstract description 18
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000005381 potential energy Methods 0.000 description 3
- 239000002360 explosive Substances 0.000 description 2
- 230000036962 time dependent Effects 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The present invention relates to a kind of New-type loudspeakers, including frame and the vibrational system and magnetic circuit system that are individually fixed in the frame: the vibrational system includes vibrating diaphragm one and the voice coil for driving the vibrating diaphragm one to vibrate, the vibrating diaphragm one is fixed on the upper end of the frame, and the voice coil is fixed on the lower end surface of the vibrating diaphragm one；The magnetic circuit system is installed in the frame, and is located at the lower section of the vibrating diaphragm one；Positioned at the lower section of the magnetic circuit system, the frame is equipped with aperture, fixed vibrating diaphragm two in the aperture, and the frame surrounds a back cavity below the magnetic circuit system.In the present invention, vibrating diaphragm two can be equivalent at an additional back cavity, make the present invention that can achieve the effect that bulky existing loudspeaker box in the case where small in size, and in application, the present invention has better low-frequency effect than existing loudspeaker under the conditions of same volume.
Description
Technical field
The present invention relates to a kind of loudspeaker, in particular to a kind of New-type loudspeaker.
Background technique
Please refer to Fig. 1 and Fig. 2, the vibration system that existing loudspeaker generally comprises frame 1, is individually fixed in the frame 1
System 2 and magnetic circuit system 3, the vibrational system 2 include voice coil 22 and vibrating diaphragm 21, and the magnetic circuit system 3 includes magnetic bowl 31, magnet steel 32
With pole piece 33, the upper end of the frame 1 also sets up a front cover 4.Referring to FIG. 3, existing loudspeaker uses after generally assembling,
I.e. loudspeaker is assembled in a cabinet 5, and the cabinet 5 includes front housing 51 and rear shell 52, and front housing 51, rear shell 52 and loudspeaker surround
One back cavity 6, for improving power of loudspeaker, but occupied volume just considerably increases.
At this stage since the structure of the electronic products such as mobile phone limits, the back cavity volume for leaving loudspeaker for becomes smaller and smaller,
And the size of loudspeaker back cavity volume directly affects effective playback bandwidth of speakers low frequencies, the smaller low-frequency effect of back cavity volume is got over
Difference, therefore the speakers low frequencies part of existing electronic equipment is difficult to more satisfactory state.
Summary of the invention
The purpose of the present invention is to provide, a kind of New-type loudspeaker, power is high, F0 (resonant frequency) is low, small in size,
The technical issues of improving low frequency bandwidth in limited space.
To solve the above-mentioned problems, it the present invention provides a kind of New-type loudspeaker, including frame and is individually fixed in described
The vibrational system and magnetic circuit system of frame:
The vibrational system includes vibrating diaphragm one and the voice coil for driving the vibrating diaphragm one to vibrate, and the vibrating diaphragm one is fixed on
The upper end of the frame, the voice coil are fixed on the lower end surface of the vibrating diaphragm one；
The magnetic circuit system is installed in the frame, and is located at the lower section of the vibrating diaphragm one；
Positioned at the lower section of the magnetic circuit system, the frame is equipped with aperture, fixed vibrating diaphragm two in the aperture, the basin
Frame surrounds a back cavity below the magnetic circuit system.
With no restrictions to the number of the aperture being arranged in frame, i.e., the described frame is equipped with described in one or more the present invention
Aperture, corresponding, the number of the vibrating diaphragm two is one or more.A vibrating diaphragm two can be shared with multiple apertures, it can also be with one
The corresponding vibrating diaphragm two of a aperture, the present invention are without limitation.
Preferably, the frame includes frame ontology with the end, the lower end of the frame ontology is equipped with aperture, the aperture
The upper fixed vibrating diaphragm two.
Preferably, the lower end of the frame ontology is equipped with one or more apertures.
The side wall of frame ontology lower end or bottom are equipped with one or more apertures, and the present invention is without limitation, preferably,
The aperture is located at the bottom of the frame ontology.
Preferably, being located at the lower section of the magnetic circuit system, one is opened up on the frame ontology and is used to balance inside and outside loudspeaker
The gas balance hole of air pressure.
Preferably, the frame includes bottomless frame ontology and rear shell, the rear shell is installed in the frame ontology
Lower end, the rear shell are equipped with the aperture, the fixed vibrating diaphragm two in the aperture.
Preferably, the rear shell is equipped with one or more apertures.
Preferably, opening up a gas balance hole for being used to balance loudspeaker inner and outer air pressure in the rear shell.
Preferably, the vibrating diaphragm two is pasted onto the aperture.
Compared with prior art, there are following technical effects by the present invention:
The present invention is equipped with vibrating diaphragm two in frame, and frame surrounds a back cavity below magnetic circuit system, without increasing
Additional cabinet can reach higher power.When speaker operation, inner air vibration makes vibrating diaphragm two vibrate and consume energy, to increase
The big effective volume of loudspeaker back cavity, vibrating diaphragm two can be equivalent at an additional back cavity, improve low-frequency effect.Make this hair
It is bright to achieve the effect that bulky existing loudspeaker box in the case where small in size, and applied under the conditions of same volume
When, the present invention has better low-frequency effect than existing loudspeaker.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it is therefore apparent that drawings in the following description are only some embodiments of the invention, for ability
For field technique personnel, without creative efforts, it is also possible to obtain other drawings based on these drawings.It is attached
In figure:
Fig. 1 is the explosive view of existing loudspeaker；
Fig. 2 is the sectional view of existing loudspeaker；
Fig. 3 is that existing loudspeaker is mounted on the intracorporal sectional view of case；
Fig. 4 is the sectional view of one of the embodiment of the present invention 1 New-type loudspeaker；
Fig. 5 is the explosive view of one of the embodiment of the present invention 1 New-type loudspeaker；
Fig. 6 is the structural schematic diagram of the frame embodiment 1 in the embodiment of the present invention 1；
Fig. 7 is the installation diagram of the frame and vibrating diaphragm two in the embodiment of the present invention 1；
Fig. 8 be the embodiment of the present invention 1 in frame, magnetic bowl and vibrating diaphragm two installation diagram；
Fig. 9 is the structural schematic diagram of the frame with gas balance hole in the embodiment of the present invention 1；
Figure 10 is the installation diagram of the frame and vibrating diaphragm two in the embodiment of the present invention 2.
Specific embodiment
New-type loudspeaker provided by the invention is described in detail below with reference to Fig. 4 to Figure 10, the present embodiment exists
Implemented down based on the technical solution of the present invention, the detailed implementation method and specific operation process are given, but this hair
Bright protection scope is not limited to the following embodiments, and those skilled in the art are in the range for not changing spirit of that invention and content
It is interior, can it be modified and be polished.
Please refer to Fig. 4 to Figure 10, a kind of New-type loudspeaker, including frame 1 and the vibration system for being individually fixed in the frame 1
System 2 and magnetic circuit system 3:
The vibrational system 2 includes vibrating diaphragm 1 and the voice coil 22 for driving the vibrating diaphragm 1 to vibrate, the vibrating diaphragm
One 21 are fixed on the upper end of the frame 1, and the voice coil 22 is fixed on the lower end surface of the vibrating diaphragm 1；
The magnetic circuit system 3 is installed in the frame 1, and is located at the lower section of the vibrating diaphragm 1；
Positioned at the lower section of the magnetic circuit system 3, the frame 1 is equipped with aperture 13, fixed vibrating diaphragm two in the aperture 13
14。
The present invention to the specific structure of magnetic circuit system 3 with no restrictions.The present invention does not improve magnetic circuit system, because
This, the structure of all magnetic circuit systems is within the scope of the invention.
As one embodiment, the magnetic circuit system 3 includes magnetic bowl 31, magnet steel 32 and pole piece 33, and the magnetic bowl 31 is fixed
In the frame 1, the magnet steel 32 is fixed on the upper surface of the magnetic bowl 31, and the pole piece 33 is fixed on the magnet steel 32
Upper surface, the vibrating diaphragm 1 are located at the top of the pole piece 33；It is formed between the side wall and the magnet steel 32 of the magnetic bowl 31
Magnetic gap, the voice coil 22 are plugged and are suspended in the magnetic gap；
Positioned at the lower section of the magnetic bowl 31, the frame 1 is equipped with aperture 13, fixed vibrating diaphragm 2 14 in the aperture 13.
The present invention is equipped with vibrating diaphragm 2 14 in frame 1, after vibrating diaphragm 2 14 and frame 1 surround one in the lower section of magnetic circuit system 3
Chamber 6 can reach higher power without increasing additional cabinet；The concrete principle of vibrating diaphragm two is as follows:
When speaker operation, the back cavity air vibration of loudspeaker generates an elastic potential energy, the elasticity system of the elastic potential energy
Number Km:
Wherein Sd is the effective radiating area of vibrating diaphragm 1, and Ca is the acoustic compliance of loudspeaker back cavity.
In the present invention, inside loudspeakers air vibration makes vibrating diaphragm 2 14 vibrate and consume energy, to reduce the vibration of back cavity air
The raw elastic potential energy of movable property, that is, reduce Km.According to formula one, since Sd is constant, the acoustic compliance Ca of loudspeaker back cavity increases.Vibrating diaphragm
2 14 increase the acoustic compliance Ca of loudspeaker back cavity, are equivalent to and increase the effective volume of loudspeaker back cavity, and vibrating diaphragm 2 14 can wait
An additional back cavity is imitated into, low-frequency effect is improved.
The present invention can achieve the effect that bulky existing loudspeaker box in the case where small in size, and in same volume
In application, the present invention has better low-frequency effect than existing loudspeaker under the conditions of product.
The present invention can be realized by any one following mode:
Embodiment 1
Fig. 4 to Fig. 8 is please referred to, frame 1 includes a frame ontology 11 for having bottom, positioned at the lower section of the magnetic circuit system 3
(the present embodiment is positioned at the lower section of magnetic bowl 31), frame ontology 11 is equipped with aperture 13, fixed vibrating diaphragm 2 14 in the aperture 13.
Aperture 13 can be opened on side wall or the bottom of frame ontology 11, and the present embodiment with no restrictions, can be according to magnetic circuit system 3
The space of lower section selects, and attached drawing is to be provided on bottom, and vibrating diaphragm 2 14 is fixed in this aperture 13 by way of stickup.
Vibrating diaphragm 2 14 can be pasted onto the upper end or lower end of aperture 13, the present invention with no restrictions, the preferred vibrating diaphragm of the present embodiment
2 14 are pasted onto the upper end of aperture 13, the equivalent additional back cavity at a loudspeaker of vibrating diaphragm 2 14.
Referring to FIG. 9, in the present embodiment, positioned at the lower section (the specially lower section of magnetic bowl 31) of the magnetic circuit system, also
A gas balance hole 15 can be opened, on the frame ontology 11 of loudspeaker for balancing loudspeaker inner and outer air pressure.
In embodiment, the top of the frame ontology 1 also sets up a front cover 4, and the pressure of vibrating diaphragm 1 is set to described by front cover 4
Frame ontology 1.
At work, external voice signal input loudspeaker voice coil 22 has friendship in voice coil 22 to the loudspeaker of the present embodiment
Time-dependent current；Since electrified wire will receive the effect of power in magnetic field, voice coil 22 will move up and down；Voice coil 22 and vibrating diaphragm 1
It is bonded together, voice coil 22 drives vibrating diaphragm 1 to vibrate, and the vibration of vibrating diaphragm 1 pushes air vibration to generate sound.This
Embodiment, which is equivalent to, extends downwardly existing frame, an aperture 13 is opened up in the elongated end of frame ontology 11, in aperture 13
A vibrating diaphragm 2 14 is pasted, so that loudspeaker itself is formed a sealed rear chamber 6, please refers to Fig. 6, Fig. 7 and Fig. 8.The vibrating diaphragm of loudspeaker
1 due to voice coil 22 driving force vibration when, air vibration in addition to pushing the top of vibrating diaphragm 1, vibrating diaphragm 1 also will push
The namely air vibration of inside loudspeakers below, is transmitted to vibrating diaphragm 2 14, and vibrating diaphragm 2 14 is made to generate vibration.Vibrating diaphragm 2 14 shakes
Kinetic energy increases effective back cavity of loudspeaker itself, at this point, when loudspeaker itself back cavity very little, due to the effect of vibrating diaphragm 2 14,
Also lower F0 can be obtained.To which the present invention can achieve the effect that bulky loudspeaker box in the case where small in size,
And in application, the present invention has better low-frequency effect than existing loudspeaker under the conditions of same volume.
Embodiment 2
Referring to FIG. 10, frame 1 includes bottomless frame ontology 11 and rear shell 12, the rear shell 12 is installed in the frame
The lower end of ontology 11 forms the back cavity of the loudspeaker between rear shell 12 and the lower end surface of the magnetic bowl 31, be located at the back cavity
Interior, rear shell 12 is equipped with the aperture 13, the fixed vibrating diaphragm 2 14 in the aperture 13.
Rear shell 12 can be the lower end that frame ontology 11 is fixed on by gluing mode, be also possible to by welding
It is fixed on the lower end of frame ontology 11, the present embodiment is with no restrictions.
Vibrating diaphragm 2 14 can be pasted onto the upper end or lower end of aperture 13, the present invention with no restrictions, the preferred vibrating diaphragm of the present embodiment
2 14 are pasted onto the upper end of aperture 13, the equivalent additional back cavity at a loudspeaker of vibrating diaphragm 2 14.
In the present embodiment, a gas balance hole is opened, in the rear shell of loudspeaker 12 for balancing loudspeaker inner and outer air pressure.
At work, external voice signal input loudspeaker voice coil 22 has friendship in voice coil 22 to the loudspeaker of the present embodiment
Time-dependent current；Since electrified wire will receive the effect of power in magnetic field, voice coil 22 will move up and down；Voice coil 22 and vibrating diaphragm 1
It is bonded together, voice coil 22 drives vibrating diaphragm 1 to vibrate, and the vibration of vibrating diaphragm 1 pushes air vibration to generate sound.This
Embodiment is to open up an aperture 13 in the fixed rear shell 12 in the lower end of frame ontology 11, rear shell 12, sticks a vibrating diaphragm two
14, so that loudspeaker itself is formed a sealed rear chamber, please refers to Figure 10.Driving force of the vibrating diaphragm 1 of loudspeaker due to voice coil 22
When vibration, in addition to pushing the air vibration above vibrating diaphragm 1, vibrating diaphragm 1 also will push below namely inside loudspeakers
Air vibration, be transmitted to vibrating diaphragm 2 14, make vibrating diaphragm 2 14 generate vibration.2 14 vibrational energy of vibrating diaphragm increases having for loudspeaker itself
Back cavity is imitated, at this point, due to the effect of vibrating diaphragm 2 14, can also obtain lower F0 when loudspeaker itself back cavity very little.To this
Invention can achieve the effect that bulky loudspeaker box in the case where small in size, and apply under the conditions of same volume
When, the present invention has better low-frequency effect than existing loudspeaker.
Claims (10)
1. a kind of New-type loudspeaker, which is characterized in that including frame and the vibrational system and magnetic circuit that are individually fixed in the frame
System:
The vibrational system includes vibrating diaphragm one and the voice coil for driving the vibrating diaphragm one to vibrate, and the vibrating diaphragm one is fixed on described
The upper end of frame, the voice coil are fixed on the lower end surface of the vibrating diaphragm one；
The magnetic circuit system is installed in the frame, and is located at the lower section of the vibrating diaphragm one；
Positioned at the lower section of the magnetic circuit system, the frame is equipped with aperture, fixed vibrating diaphragm two in the aperture, and the frame exists
A back cavity is surrounded below the magnetic circuit system.
2. a kind of New-type loudspeaker as described in claim 1, which is characterized in that the frame is equipped with described in one or more
Aperture.
3. a kind of New-type loudspeaker as described in claim 1, which is characterized in that the frame includes frame ontology with the end,
The lower end of the frame ontology is equipped with aperture, the fixed vibrating diaphragm two in the aperture.
4. a kind of New-type loudspeaker as claimed in claim 3, which is characterized in that the lower end of the frame ontology be equipped with one or
Multiple apertures.
5. a kind of New-type loudspeaker as claimed in claim 3, which is characterized in that the aperture is located at the bottom of the frame ontology
Portion.
6. a kind of New-type loudspeaker as claimed in claim 3, which is characterized in that described positioned at the lower section of the magnetic circuit system
A gas balance hole for being used to balance loudspeaker inner and outer air pressure is opened up on frame ontology.
7. a kind of New-type loudspeaker as described in claim 1, which is characterized in that the frame include bottomless frame ontology and
Rear shell, the rear shell are installed in the lower end of the frame ontology, and the rear shell is equipped with the aperture, fixed institute in the aperture
State vibrating diaphragm two.
8. a kind of New-type loudspeaker as claimed in claim 7, which is characterized in that the rear shell is equipped with described in one or more
Aperture.
9. a kind of New-type loudspeaker as claimed in claim 7, which is characterized in that open up one in the rear shell and be used to balance loudspeaking
The gas balance hole of device inner and outer air pressure.
10. a kind of New-type loudspeaker as described in any one of claim 1 to 9, which is characterized in that the vibrating diaphragm two is pasted onto institute
It states in aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910189793.9A CN109874092A (en) | 2019-03-13 | 2019-03-13 | A kind of New-type loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910189793.9A CN109874092A (en) | 2019-03-13 | 2019-03-13 | A kind of New-type loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109874092A true CN109874092A (en) | 2019-06-11 |
Family
ID=66920397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910189793.9A Pending CN109874092A (en) | 2019-03-13 | 2019-03-13 | A kind of New-type loudspeaker |
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| Country | Link |
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| CN (1) | CN109874092A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113423049A (en) * | 2021-08-25 | 2021-09-21 | 南昌龙旗信息技术有限公司 | Watch (watch) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206118014U (en) * | 2016-10-10 | 2017-04-19 | 常州阿木奇声学科技有限公司 | Loudspeaker |
| CN207200963U (en) * | 2017-01-26 | 2018-04-06 | 常州阿木奇声学科技有限公司 | Double moving-coil speakers |
| CN207869372U (en) * | 2018-01-27 | 2018-09-14 | 瑞声科技(新加坡)有限公司 | Loud speaker |
| CN208581337U (en) * | 2018-06-14 | 2019-03-05 | 歌尔科技有限公司 | A kind of earphone |
| CN109462805A (en) * | 2018-12-29 | 2019-03-12 | 瑞声科技（南京）有限公司 | Loudspeaker |
| CN209642956U (en) * | 2019-03-13 | 2019-11-15 | 安费诺永亿(海盐)通讯电子有限公司 | A kind of New-type loudspeaker |
-
2019
- 2019-03-13 CN CN201910189793.9A patent/CN109874092A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206118014U (en) * | 2016-10-10 | 2017-04-19 | 常州阿木奇声学科技有限公司 | Loudspeaker |
| CN207200963U (en) * | 2017-01-26 | 2018-04-06 | 常州阿木奇声学科技有限公司 | Double moving-coil speakers |
| CN207869372U (en) * | 2018-01-27 | 2018-09-14 | 瑞声科技(新加坡)有限公司 | Loud speaker |
| CN208581337U (en) * | 2018-06-14 | 2019-03-05 | 歌尔科技有限公司 | A kind of earphone |
| CN109462805A (en) * | 2018-12-29 | 2019-03-12 | 瑞声科技（南京）有限公司 | Loudspeaker |
| CN209642956U (en) * | 2019-03-13 | 2019-11-15 | 安费诺永亿(海盐)通讯电子有限公司 | A kind of New-type loudspeaker |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113423049A (en) * | 2021-08-25 | 2021-09-21 | 南昌龙旗信息技术有限公司 | Watch (watch) |
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