CN209642956U - A kind of New-type loudspeaker - Google Patents
A kind of New-type loudspeaker Download PDFInfo
- Publication number
- CN209642956U CN209642956U CN201920316279.2U CN201920316279U CN209642956U CN 209642956 U CN209642956 U CN 209642956U CN 201920316279 U CN201920316279 U CN 201920316279U CN 209642956 U CN209642956 U CN 209642956U
- Authority
- CN
- China
- Prior art keywords
- vibrating diaphragm
- frame
- aperture
- loudspeaker
- new
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model 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；The frame is equipped with aperture, and the aperture is located at the lower section of the magnetic circuit system, 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 utility model that can achieve the effect that bulky existing loudspeaker box in the case where small in size, and in application, the utility model has better low-frequency effect than existing loudspeaker under the conditions of same volume.
Description
Technical field
The utility model 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.
Utility model content
The purpose of this utility model is to provide a kind of New-type loudspeaker, power is high, F0 (resonant frequency) is low, volume
It is small, in a limited space the technical issues of interior improvement low frequency bandwidth.
To solve the above-mentioned problems, the utility model provides a kind of New-type loudspeaker, including frame and is individually fixed in
The vibrational system and magnetic circuit system of the 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；
The frame is equipped with aperture, and the aperture is located at the lower section of the magnetic circuit system, fixed vibrating diaphragm in the aperture
Two, the 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 one or more to the utility model
The 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
With the corresponding vibrating diaphragm two of an aperture, the utility model is 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 utility model is without limitation, compared with
Good, the aperture is located at the bottom of the frame ontology.
Preferably, opening up a gas balance hole for being used to balance loudspeaker inner and outer air pressure on the frame ontology, the gas is flat
Weighing apparatus hole is located at the lower section of the magnetic circuit system.
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 for the utility model:
The utility model is equipped with vibrating diaphragm two in frame, and frame surrounds a back cavity below magnetic circuit system, without
Higher power can be reached by increasing additional cabinet.When speaker operation, inner air vibration makes vibrating diaphragm two vibrate and consume energy, from
And the effective volume of loudspeaker back cavity is increased, vibrating diaphragm two can be equivalent at an additional back cavity, improves low-frequency effect.Make
The utility model can achieve the effect that bulky existing loudspeaker box in the case where small in size, and in same volume item
In application, the utility model has better low-frequency effect than existing loudspeaker under part.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it is therefore apparent that and the drawings in the following description are merely some embodiments of the present invention,
For those skilled in the art, without creative efforts, other be can also be obtained according to these attached drawings
Attached drawing.In attached drawing:
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 embodiments of the present invention 1 New-type loudspeaker；
Fig. 5 is the explosive view of one of the embodiments of the present invention 1 New-type loudspeaker；
Fig. 6 is the structural schematic diagram of the frame embodiment 1 in the embodiments of the present invention 1；
Fig. 7 is the installation diagram of the frame and vibrating diaphragm two in the embodiments of the present invention 1；
Fig. 8 be the embodiments 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 embodiments of the present invention 1；
Figure 10 is the installation diagram of the frame and vibrating diaphragm two in the embodiments of the present invention 2.
Specific embodiment
New-type loudspeaker provided by the utility model is described in detail below with reference to Fig. 4 to Figure 10, this implementation
Example is implemented under premised on technical solutions of the utility model, gives detailed embodiment and specifically operated
Journey, but the protection scope of the utility model is not limited to the following embodiments, and those skilled in the art are not changing the utility model
In the range of spirit and content, 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 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；
The frame 1 is equipped with aperture 13, and aperture 13 is located at the lower section of the magnetic circuit system 3, fixed in the aperture 13
Vibrating diaphragm 2 14.
The utility model to the specific structure of magnetic circuit system 3 with no restrictions.The utility model there is no to magnetic circuit system into
Row improves, and therefore, the structure of all magnetic circuit systems is within the protection scope of the present utility model.
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 is located at the top of the pole piece 33；Shape between the side wall and the magnet steel 32 of the magnetic bowl 31
At magnetic gap, the voice coil 22 is plugged and is 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 utility model is equipped with vibrating diaphragm 2 14, vibrating diaphragm 2 14 and frame 1 in frame 1 and surrounds in the lower section of magnetic circuit system 3
As soon as back cavity 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 utility model, inside loudspeakers air vibration makes vibrating diaphragm 2 14 vibrate and consume energy, to reduce rear cavity space
The elastic potential energy that gas vibration generates, 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 increases the acoustic compliance Ca of loudspeaker back cavity, is equivalent to and increases the effective volume of loudspeaker back cavity, vibrating diaphragm 2 14 can
With equivalent at an additional back cavity, low-frequency effect is improved.
The utility model can achieve the effect that bulky existing loudspeaker box in the case where small in size, and in phase
In application, the utility model has better low-frequency effect than existing loudspeaker under the conditions of same volume.
The utility model 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, and with no restrictions, the present embodiment is preferred for the utility model
Vibrating diaphragm 2 14 is 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, a gas balance hole 15, gas can be also opened on the frame ontology 11 of loudspeaker
Balance hole 15 is located at the lower section (the specially lower section of magnetic bowl 31) of the magnetic circuit system, 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 can also push away
The dynamic namely air vibration of inside loudspeakers below, is transmitted to vibrating diaphragm 2 14, vibrating diaphragm 2 14 is made to generate vibration.Vibrating diaphragm two
14 vibrational energies increase effective back cavity of loudspeaker itself, at this point, when loudspeaker itself back cavity very little, due to the work of vibrating diaphragm 2 14
With can also obtain lower F0.To which the utility model can reach bulky loudspeaker box in the case where small in size
Effect, and in application, the utility model 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, and with no restrictions, the present embodiment is preferred for the utility model
Vibrating diaphragm 2 14 is 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
Utility model can achieve the effect that bulky loudspeaker box in the case where small in size, and answer under the conditions of same volume
Used time, the utility model have 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；
The frame is equipped with aperture, and the aperture is located at the lower section of the magnetic circuit system, fixed vibrating diaphragm two in the aperture, institute
It states frame and surrounds a back cavity 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 open up one on the frame ontology and be used to balance
The gas balance hole of loudspeaker inner and outer air pressure, the gas balance hole are located at the lower section of the magnetic circuit system.
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 |
|---|---|---|---|
| CN201920316279.2U CN209642956U (en) | 2019-03-13 | 2019-03-13 | A kind of New-type loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920316279.2U CN209642956U (en) | 2019-03-13 | 2019-03-13 | A kind of New-type loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209642956U true CN209642956U (en) | 2019-11-15 |
Family
ID=68496029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920316279.2U Expired - Fee Related CN209642956U (en) | 2019-03-13 | 2019-03-13 | A kind of New-type loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209642956U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109874092A (en) * | 2019-03-13 | 2019-06-11 | 上海安费诺永亿通讯电子有限公司 | A kind of New-type loudspeaker |
-
2019
- 2019-03-13 CN CN201920316279.2U patent/CN209642956U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109874092A (en) * | 2019-03-13 | 2019-06-11 | 上海安费诺永亿通讯电子有限公司 | A kind of New-type loudspeaker |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111182426A (en) | Bone conduction speaker and compound speaker | |
| EP3637797B1 (en) | Sound producing device | |
| CN203574855U (en) | Loudspeaker module | |
| US20100111343A1 (en) | Display with miniature speaker and the structure of the miniature speaker | |
| CN101998216A (en) | Loudspeaker and portable electronic device | |
| EP3278569B1 (en) | Passive radiator assembly | |
| CN106535069A (en) | Loudspeaker and audio equipment | |
| WO2020140548A1 (en) | Sound generating device and electronic apparatus | |
| US20160021447A1 (en) | Speaker Box | |
| CN204836566U (en) | Multi -functional speaker module and use its electron terminal equipment | |
| US20120308070A1 (en) | Slim type speaker and magnetic circuit therefor | |
| CN203708469U (en) | Loudspeaker module | |
| CN109874092A (en) | A kind of New-type loudspeaker | |
| KR101470983B1 (en) | Micro speaker | |
| EP2182736A1 (en) | Miniature speaker and display with miniature speaker | |
| CN209642956U (en) | A kind of New-type loudspeaker | |
| CN213462312U (en) | Sound production device module | |
| CN201523448U (en) | Speaker and portable electronic equipment | |
| CN110740409A (en) | electroacoustic device and electronic equipment | |
| KR101534629B1 (en) | Speaker with acoustically excited panel | |
| CN211406274U (en) | Bone conduction speaker and compound speaker | |
| WO2023160141A1 (en) | Loudspeaker and electronic device | |
| CN217116397U (en) | MEMS loudspeaker | |
| CN202514066U (en) | Multifunctional mini-size loudspeaker | |
| CN206611570U (en) | Horn single body and the earphone for being provided with the horn single body |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20191115 |