CN110149569A - Loudspeaker and electronic equipment - Google Patents
Loudspeaker and electronic equipment Download PDFInfo
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- CN110149569A CN110149569A CN201910289313.6A CN201910289313A CN110149569A CN 110149569 A CN110149569 A CN 110149569A CN 201910289313 A CN201910289313 A CN 201910289313A CN 110149569 A CN110149569 A CN 110149569A
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- 238000013016 damping Methods 0.000 claims abstract description 215
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- 230000001133 acceleration Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- 238000005086 pumping Methods 0.000 description 6
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
- H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
Abstract
Disclose a kind of loudspeaker and electronic equipment, loudspeaker includes vibrational system, magnetic circuit system, shell and damping system, shell is suitable for the fixed vibrational system and magnetic circuit system, damping system is set between the magnetic circuit system and the shell, to reduce the Oscillation Amplitude of the magnetic circuit system, and then increase the damping of magnetic circuit system, so that frequency band when magnetic circuit system vibrates broadens, it ensure that the vibrating effect of the speaker product of batch production.
Description
Technical field
The present embodiments relate to field of audio devices, and in particular to a kind of loudspeaker and electronic equipment.
Background technique
Existing multifunction speaker is compared with the loudspeaker with simple function, the difference is that multifunction speaker
Cantilever and weight member are increased, so that multifunction speaker has the function of oscillator.Existing multifunction speaker
Structure is as shown in Figure 1, cantilever, weight member, magnetic bowl, magnet and the top flat of multifunction speaker form an oscillator elasticity system
System, wherein cantilever is used to adjust the elasticity of oscillator elastic system, weight member, magnetic bowl, magnet and top flat total weight for adjusting
The oscillating mass of whole oscillator elastic system.By adjusting oscillator elastic system elasticity and weight to realize oscillator elastic system
Resonance frequency and vibrating effect, General Oscillation effect are measured with acceleration magnitude.
The theoretical resonance frequency of the oscillator elastic system of existing multifunction speaker is 157Hz.When oscillator elastic system
When work, input signal is the sine wave signal of 157Hz, after loudspeaker receives the pumping signal near 157Hz, oscillator elasticity
The amplitude of system reaches peak value, and oscillator elastic system will drive loudspeaker and generate vibration with the fixed electronic equipment of loudspeaker.
Oscillator elastic system can achieve amplitude maximum near 157Hz, the amplitude dramatic decrease in other frequency ranges, as shown in Figure 2.
For the product of mass production, the resonance frequency of the oscillator elastic system of multiple independent products cannot be accurately controlled
157Hz can only be a relatively narrow range, as shown in Figure 2.The biggish product of 157Hz is deviateed for some resonance frequencies, if
It is also excited with the input signal of 157Hz, then the resonance frequency of oscillator elastic system and frequency input signal mismatch, cannot
Reach effective acceleration value, so that the performance of product is bad.
Summary of the invention
In view of this, the present invention provides a kind of loudspeaker and electronic equipment, by increasing the damping of magnetic circuit system, so that magnetic
The vibration frequency band of road system broadens, and ensure that the vibrating effect of the speaker product of batch production.
In a first aspect, the embodiment of the present invention provides a kind of loudspeaker, comprising:
Vibrational system, with vibrating diaphragm and the voice coil being fixedly connected with the vibrating diaphragm, the voice coil is configured as described in drive
Diaphragm oscillations；
Magnetic circuit system suitably forms magnetic gap region；
Shell is suitable for the fixed vibrational system and magnetic circuit system, wherein the magnetic circuit system is configured as relative to institute
State case vibration；
Damping system is set between the magnetic circuit system and the shell, and the damping system is configured to reduce institute
State the Oscillation Amplitude of magnetic circuit system.
Optionally, the magnetic circuit system has at least one downwardly open accommodating cavity；
The shell includes rear shell, and the bottom of the rear shell has at least one fixed hole, the position of the fixed hole
It sets corresponding with the accommodating position of cavity；
The damping system includes:
At least one first damping structure is set in the corresponding accommodating cavity body；
At least one resistance elements passes through the fixed hole and connects with corresponding first damping structure.
Optionally, the magnetic circuit system includes:
Magnet；
Top flat is set to the top of the magnet；
Magnetic bowl, for fixing the magnet, so that forming the magnetic gap between the magnet, top flat and the magnetic bowl
Region.
Optionally, the bottom of the magnetic bowl has at least one first damping hole, and first damping hole forms the appearance
Set cavity.
Optionally, the bottom of the magnetic bowl is provided at least one first damping hole；
The magnet be provided with one-to-one second damping hole of first damping hole, first damping hole with it is right
The second damping hole answered is connected to form the accommodating cavity.
Optionally, the bottom of the magnetic bowl is provided at least one first damping hole；
The magnet is provided with and one-to-one second damping hole of first damping hole；
The top flat is provided with and the one-to-one third damping hole of second damping hole；
First damping hole is connected to form the accommodating cavity with corresponding second damping hole, third damping hole.
Optionally, the magnetic circuit system has multiple accommodating cavitys, is set to the bottom of the magnetic circuit system；
The shell includes rear shell, and the bottom of the rear shell has multiple fixed correspondingly logical with the accommodating cavity
Hole；
The damping system includes:
Multiple first damping structures are set in the corresponding accommodating cavity body；
The multiple and one-to-one resistance elements of the fixed hole, the resistance elements are logical across the corresponding fixation
Hole is connect with first damping structure.
Optionally, the cross section of the resistance elements is less than the cross section of the accommodating cavity, so that the resistance part
The side wall of the side wall of part and the accommodating cavity forms gap.
Optionally, the magnetic circuit system includes:
Magnet；
Top flat is set to the top of the magnet；
Magnetic bowl, for fixing the magnet, so that forming the magnetic gap between the magnet, top flat and the magnetic bowl
Region.
Optionally, the magnetic circuit system further include:
Weight member is set to the outside of the magnetic bowl；
Cantilever is fixed between the magnetic bowl and the weight member on the inside of the cantilever, the outside of the cantilever with
The shell is fixedly connected, and the cantilever is configured as driving the magnet, top flat, magnetic bowl and weight member vibration；
Wherein, the damping system is set between the weight member and the shell.
Optionally, multiple protruding portion is provided on the outside of the weight member, the damping system includes multiple second resistances
Buddhist nun's structure；
The shell further include:
Frame, for fixing the vibrational system and magnetic circuit system；
Front housing is set to the top of the frame, for fixing the vibrational system；
Wherein, the frame is provided with multiple grooves, and the multiple groove and multiple protruding portion correspond, and passes through second
Damping structure is connect with the protruding portion.
Optionally, second damping structure is paste or g., jelly-like.
Second aspect, the embodiment of the present invention provide a kind of electronic equipment, comprising:
Loudspeaker as described in relation to the first aspect.
The embodiment of the present invention allows magnetic circuit system to increase resistance in vibration by the way that damping system is arranged in loudspeaker
Buddhist nun ensure that the vibrating effect of the speaker product of batch production so that the frequency band of the magnetic circuit of loudspeaker broadens.
Detailed description of the invention
By referring to the drawings to the description of the embodiment of the present invention, the above and other purposes of the present invention, feature and
Advantage will be apparent from, in the accompanying drawings:
Fig. 1 is the diagrammatic cross-section of existing loudspeaker；
Fig. 2 is the acceleration near resonance frequency and theoretical resonance frequency of the magnetic circuit system of existing multiple loudspeakers
Spectrum curve schematic diagram；
Fig. 3 is the diagrammatic cross-section of the loudspeaker of first embodiment of the invention；
Fig. 4 is the diagrammatic cross-section of the loudspeaker of first embodiment of the invention；
Fig. 5 is the decomposition diagram of the loudspeaker of first embodiment of the invention；
Fig. 6 is the magnetic circuit system of the loudspeaker of first embodiment of the invention and the magnetic circuit of existing loudspeaker in theoretical resonance
Acceleration spectrum curve schematic diagram near frequency；
Fig. 7 is acceleration frequency spectrum of the magnetic circuit system of multiple loudspeakers of first embodiment of the invention near resonance frequency
Curve synoptic diagram；
Fig. 8 is the diagrammatic cross-section of the loudspeaker of second embodiment of the invention；
Fig. 9 is the diagrammatic cross-section of the loudspeaker of second embodiment of the invention；
Figure 10 is the diagrammatic cross-section of the loudspeaker of third embodiment of the invention；
Figure 11 is the decomposition diagram of the loudspeaker of third embodiment of the invention；
Figure 12 is the diagrammatic cross-section of the loudspeaker of third embodiment of the invention；
Figure 13 is the bottom view after the loudspeaker removal rear shell of fourth embodiment of the invention；
Figure 14 is the bottom view after the loudspeaker removal rear shell of fourth embodiment of the invention；
Figure 15 is the decomposition diagram of the loudspeaker of fourth embodiment of the invention.
Specific embodiment
Below based on embodiment, present invention is described, but the present invention is not restricted to these embodiments.Under
Text is detailed to describe some specific detail sections in datail description of the invention.Do not have for a person skilled in the art
The present invention can also be understood completely in the description of these detail sections.In order to avoid obscuring essence of the invention, well known method, mistake
There is no narrations in detail for journey, process, element and circuit.
In addition, it should be understood by one skilled in the art that provided herein attached drawing be provided to explanation purpose, and
What attached drawing was not necessarily drawn to scale.
Unless the context clearly requires otherwise, "include", "comprise" otherwise throughout the specification and claims etc. are similar
Word should be construed as the meaning for including rather than exclusive or exhaustive meaning；That is, be " including but not limited to " contains
Justice.
In the description of the present invention, it is to be understood that, term " first ", " second " etc. are used for description purposes only, without
It can be interpreted as indication or suggestion relative importance.In addition, in the description of the present invention, unless otherwise indicated, the meaning of " multiple "
It is two or more.
Unless otherwise clearly defined and limited, the terms such as term " installation ", " connected ", " connection ", " fixation " should be done extensively
Reason and good sense solution may be a detachable connection for example, it may be being fixedly connected, or integral；It can be mechanical connection, it can also be with
It is electrical connection；Can be directly connected, can also indirectly connected through an intermediary, can be connection inside two elements or
The interaction relationship of two elements, unless otherwise restricted clearly.For the ordinary skill in the art, Ke Yigen
The concrete meaning of above-mentioned term in the present invention is understood according to concrete condition.
Embodiment one:
Fig. 3 is the diagrammatic cross-section of the loudspeaker of the embodiment of the present invention.As shown in figure 3, loudspeaker include vibrational system A,
Magnetic circuit system B, damping system D and shell E.Wherein, vibrational system A and magnetic circuit system B are fixedly installed in shell E.Specifically,
Vibrational system A includes vibrating diaphragm 1 and voice coil 2.The first end of voice coil 2 is fixedly connected with vibrating diaphragm 1, and the second end of voice coil 2 is arranged in magnetic
In the magnetic gap region that road system B is formed.The vibration hair of vibrating diaphragm 1 is driven under the action of the magnetic field that voice coil 2 is formed in magnetic circuit system B
Sound.Meanwhile vibrational system B can also be vibrated after receiving pumping signal, and then driven loudspeaker and be provided with and raise
The electronic equipment of sound device is vibrated.Damping system D is arranged between magnetic circuit system B and shell E, when magnetic circuit system B shakes
When dynamic, damping system D generates damping, so that the Oscillation Amplitude of magnetic circuit system B is gradually reduced, frequency band broadens.
In the present embodiment, the damping system D includes the first damping structure 3 and resistance elements 5.The bottom of magnetic circuit system B
Portion is provided with downwardly open accommodating cavity C, and the first damping structure 3 is set in accommodating cavity C, and resistance elements 5 pass through shell E
It is connect with the first damping structure 3.When magnetic circuit system B vibration, resistance elements 5 generate resistance with the 3 phase mutual friction of the first damping structure
Buddhist nun, so that the Oscillation Amplitude of magnetic circuit system B is gradually reduced, frequency band broadens.
Specifically, magnetic circuit system B includes magnet 6, top flat 7 and magnetic bowl 8.Wherein, magnet 6 is set in the magnetic bowl 8, top
Piece 7 is set to the top of the magnet 6.Cyclic annular magnetic gap region is formed between the magnet 6, top flat 7 and magnetic bowl 8, for producing
Magnetisation field, voice coil 2 can generate vibration under the influence of a magnetic field, and then drive 1 vibration sounding of vibrating diaphragm.The bottom of magnetic bowl 8 is arranged
There is the first damping hole 81, first damping hole 81 can form accommodating cavity C, for accommodating the first damping structure 3.In this reality
It applies in example, the first damping hole 81 can be set to through-hole, may be set to be blind hole.It is filled according to the size of the first damping hole 81
Damping material forms corresponding first damping structure 3.The material of first damping structure 3 is paste or g., jelly-like, described the
One damping structure 3 can be using the damping formation such as cream or paste white oil.When making loudspeaker, damping cream or paste white oil are filled out
It fills in the first damping hole 81, the first damping structure 3 can be formed.
Shell E includes rear shell 4, frame 9 and front housing 12.Wherein, frame 9 is for fixing vibrational system A and magnetic circuit system B.
Rear shell 4 is fixedly connected with the downside of frame 9, forms back cavity, and front housing 12 is fixedly connected with the upside of frame 9, for fixed vibration
System A, is formed simultaneously ante-chamber.In the present embodiment, the top of frame 9 is arranged in the outside of vibrating diaphragm 1, and front housing 12 is set to vibrating diaphragm
1 top is fixedly connected, to fix vibrating diaphragm 1 with frame 9 by modes such as bolt, bonding or clampings.
Specifically, rear shell 4 is set to the downside of magnetic circuit system B, forms back cavity with the magnetic circuit system B.The rear shell 4 is set
It is equipped with fixed hole 41, wherein the position of fixed hole 41 is corresponding with the position of the first damping hole 81, so that resistance elements 5
It is contacted after fixed hole 41 being passed through with the first damping structure 3 being set in the first damping hole 81.When magnetic circuit system B is connecing
When receiving pumping signal and being vibrated, resistance elements 5 and 3 generation of the first damping structure act on opposite power, that is to say, that generate
Damping, so that the Oscillation Amplitude of magnetic circuit system B is gradually reduced, frequency band broadens, as shown in Figure 6.In the present embodiment, resistance elements
5 cross section less than the first damping hole 81 cross section so that the side shape of the side of resistance elements 5 and the first damping hole 81
At gap, it can directly be contacted to avoid resistance elements 5 with magnetic bowl 8, influence the vibrating effect of magnetic circuit system B.
In the present embodiment, the resistance elements 5 have first part and second part.The cross section of first part is greater than
The cross section of second part, so that first part and second part form step, for example, rivet, bolt etc..Wherein, second
The outer diameter divided is adapted with the internal diameter of fixed hole 41, that is to say, that fixed hole 41 is less than the first damping hole 81.Work as resistance part
After part 5 passes through fixed hole 41, the second part of resistance elements 5 is contacted with the first damping structure 3, and first part is connected to rear shell
4 outside.In the present embodiment, the first damping hole 81 and fixed hole 41 can be set to round hole, square hole etc. have appoint
The hole of meaning cross section, corresponding, 5 second part of resistance elements is set as tying with the cross section that fixed hole 41 has same shape
Structure.Preferably, the first damping hole 81 and fixed hole 41 are provided in round hole, can be convenient processing and fabricating.
In another optional implementation, multiple first damping holes 81 are can be set in the bottom of magnetic bowl 8, specifically can basis
Demand setting.Accordingly, loudspeaker includes multiple first damping structures 3 and multiple resistance elements 5, first damping structure 3
It is identical as the quantity of first damping hole 81 with the quantity of resistance elements 5, as shown in Figure 4 and Figure 5.When the bottom of magnetic bowl 8 is set
When being equipped with multiple first damping holes 81, rear shell 4 is corresponding to be provided with fixed hole 41 identical with 81 quantity of the first damping hole.Its
In, the position of multiple fixed holes 41 and multiple first damping holes 81 corresponds, and multiple first damping structures 3 are placed respectively
After in corresponding first damping hole 81, then by multiple resistance elements 5 be each passed through after corresponding fixed hole 41 with it is corresponding
The first damping structure 3 connect.
In the present embodiment, the cross-sectional shape of multiple first damping holes 81 and size can be set to identical or not
Together, the fixed hole 41 of corresponding position is set as and corresponding first damping hole 81 cross section having the same, corresponding first resistance
The first damping structure 3 filled in Buddhist nun hole 81 can be filled generation, while the resistance of corresponding position according to actual needs
The cross section of 5 second part of power component is identical as the cross section of corresponding fixed hole 41.Preferably, multiple first damping holes 81
It can be set to identical structure, i.e., cross section having the same and size, accordingly, multiple fixed holes 41, multiple resistances
Power component 5 can also be respectively set to identical structure, and be adapted respectively with the first damping hole 81, to improve the system of loudspeaker
Make efficiency.Preferably, multiple first damping holes 81 can be evenly arranged in the bottom of magnetic bowl 8, so that magnetic circuit system B can be with
Vibration is equably generated, vibrating effect is improved.
Fig. 7 is acceleration frequency of the magnetic circuit system of multiple loudspeakers of the embodiment of the present invention near own resonance frequency
Spectral curve schematic diagram.As shown in Figure 7, for the speaker product of mass production, the resonance of the magnetic circuit system of multiple loudspeakers
Frequency can not be accurately controlled in 157Hz.That is, the magnetic circuit system of multiple loudspeakers has different resonance frequencies.
Since the frequency band of magnetic circuit system broadens, when multiple loudspeakers all use 157Hz to excite, the magnetic circuit system of loudspeaker is in bandwidth
It can achieve effective acceleration value in degree range, so that magnetic circuit system may be implemented effectively to vibrate.In the present embodiment, due to
Magnetic circuit system increases damping, and the acceleration frequency band of magnetic circuit system broadens but amplitude reduces, and can lead in input signal
The amplitude for crossing increase pumping signal is improved.
In the present embodiment, the magnetic circuit system B further includes cantilever 11 and weight member 10.Weight member 10 is set to institute
The outer side-lower of magnetic bowl 8 is stated, the outside of the weight member 10 is not contacted with the shell E, and weight member 10 is whole for adjusting
The oscillating mass of a magnetic circuit system B, to adjust the vibrating effect of magnetic circuit system B.The inside of cantilever 11 be fixed on the magnetic bowl 8 with
Between the weight member 10, the outside of the cantilever 11 is fixedly connected with the frame 9, and the cantilever 11 is configured as driving
The magnet 6, top flat 7, magnetic bowl 8 and weight member 10 vibrate.In the present embodiment, weight member 10 and cantilever 11 are plastics etc.
Do not have magnetic material to make to be formed, will not influence magnet 6, top flat 7 and magnetic bowl 8 and be formed by magnetic field.
In another optional implementation, the damping system D further includes the second damping structure 31, the second damping knot
The material of structure 31 and the first damping structure 3 is paste or g., jelly-like, second damping structure 31 can using damping cream or
The formation such as paste white oil.The outside of the weight member 10 is also provided with multiple protruding portion 101, frame 9 with protruding portion
101 opposite positions are provided with multiple grooves 91, and there are small gaps between the groove 91 and protruding portion 101.Described second
Damping structure 31 can be set in the gap between the groove 91 and protruding portion 101, connect the frame 9 and weight member
10, as shown in Figure 13 and Figure 14.Preferably, the multiple protruding portion 101 can it is symmetrical, be evenly arranged in weight member 10
Outside, so that magnetic circuit system B can be generated good vibrating effect by uniform resistance in vibration.The groove 91
It can be configured according to demand with the shape and quantity of protruding portion 101.
In the present embodiment, the loudspeaker is circular configuration, i.e. the shape knot of loudspeaker all components for being included
Structure is circle, as shown in Figure 5.In another optional implementation, the loudspeaker may be set to be square structure.
The loudspeaker of the present embodiment is arranged in accommodating cavity body by the way that downwardly open accommodating cavity is arranged in magnetic bowl bottom
Then fixed hole is arranged in rear shell position corresponding with the accommodating cavity in damping structure, resistance elements are passed through fixed logical
Hole is connect with the damping structure, and then increases the damping of magnetic circuit system, so that the frequency band of magnetic circuit system broadens, and then is guaranteed
The vibrating effect of the speaker product of batch production.
Embodiment two:
Fig. 8 is the diagrammatic cross-section of the loudspeaker of the embodiment of the present invention.Described in the loudspeaker and embodiment one of the present embodiment
The difference of loudspeaker be that the bottom of magnetic bowl 8 is provided with the first damping hole 81, magnet 6 is provided with and first damping hole
Corresponding second damping hole 61 in 81 positions.In the present embodiment, first damping hole 81 is through-hole, second damping hole 61
It is set as through-hole or blind hole.Wherein, the first damping hole 81 is connected to corresponding second damping hole 61 forms accommodating cavity C, is used for
Accommodate the first damping structure 3.In the present embodiment, first damping structure 3 can fill suitable according to the size of accommodating cavity C
When damping material formed.The material of first damping structure 3 is paste or g., jelly-like, and first damping structure 3 can be with
It is formed using damping cream or paste white oil etc..When making loudspeaker, damping cream or paste white oil are filled in the first damping hole
81 and second damping hole 61 formed accommodating cavity C in, damping structure 3 can be formed.
Accordingly, the rear shell 4 of loudspeaker is provided with fixed hole 41 corresponding with accommodating cavity location of C, i.e. fixed hole
41 position is corresponding with the position of the first damping hole 81.Resistance elements 5 can pass through fixed hole 41 after be set to accommodating cavity
The first damping structure 3 contact in body C.When magnetic circuit system B is receiving pumping signal and is being vibrated, resistance elements 5 and
One damping structure, 3 generation acts on opposite power, that is to say, that damping is generated, so that the Oscillation Amplitude of magnetic circuit system B is gradually reduced,
Frequency band broadens.
In another optional implementation, the bottom of magnetic bowl 8 can be set multiple first damping holes 81, and the multiple first
Damping hole 81 is through-hole.Corresponding magnet 6 is provided with the second damping hole 61 identical with 81 quantity of the first damping hole, the multiple
The position of second damping hole 61 and multiple first damping holes 81 corresponds, to form multiple accommodating cavity C.In the present embodiment
In, the quantity of the first damping hole 81 and the second damping hole 61 can be configured according to demand.Accordingly, loudspeaker includes multiple
The quantity of first damping structure 3 and multiple resistance elements 5, first damping structure 3 and resistance elements 5 is with accommodating cavity C's
Quantity is identical, as shown in Figure 9.Meanwhile rear shell 4 is corresponding is provided with and the identical fixed hole 41 of accommodating cavity C quantity.Its
In, the position of multiple fixed holes 41 and multiple accommodating cavity C corresponds, and multiple first damping structures 3 are respectively placed in
After in corresponding accommodating cavity C, then multiple resistance elements 5 are each passed through after corresponding fixed hole 41 and corresponding first
Damping structure 3 connects.
In the present embodiment, the cross-sectional shape of multiple accommodating cavity C and size can be set to identical or different, right
The fixed hole 41 of position is answered to be set as and the cross section having the same corresponding accommodating cavity C, the corresponding interior filling of accommodating cavity C
The first damping structure 3 can be filled generation, while the resistance elements of corresponding position 5 second according to actual needs
The cross section divided is identical as the cross section of corresponding fixed hole 41.Preferably, multiple accommodating cavity C can be set to identical
Structure, i.e., cross section having the same and size, accordingly, multiple fixed holes 41, multiple resistance elements 5 can also be distinguished
It is set as identical structure, and is adapted respectively with accommodating cavity C, to improve the producing efficiency of loudspeaker.Preferably, Duo Gerong
Setting cavity C can be evenly arranged on magnetic bowl 8 and magnet 6, so that magnetic circuit system B can equably generate vibration, improve
Vibrating effect.
In another optional implementation, the outside of the weight member 10 is also provided with multiple protruding portion 101, basin
Frame 9 is provided with multiple grooves 91 in the position opposite with protruding portion 101, exists between the groove 91 and protruding portion 101 smaller
Gap.Second damping structure 31 can be set in the gap between the groove 91 and protruding portion 101, connect the basin
Frame 9 and weight member 10, as shown in Figure 13 and Figure 14.Preferably, the multiple protruding portion 101 can symmetrically, be equably arranged
In the outside of weight member 10, so that magnetic circuit system B can be generated good vibration by uniform resistance in vibration
Effect.The shape and quantity of the groove 91 and protruding portion 101 can be configured according to demand.Second damping structure
31 material is paste or g., jelly-like, and second damping structure 31 can be using the damping formation such as cream or paste white oil.
The loudspeaker of the present embodiment on magnetic bowl and magnet by being arranged downwardly open accommodating cavity, in accommodating cavity body
Damping structure is set, fixed hole then is set in rear shell position corresponding with the accommodating cavity, resistance elements are passed through solid
Determine through-hole to connect with the damping structure, and then increase the damping of magnetic circuit system, so that the frequency band of magnetic circuit system broadens, in turn
It ensure that the vibrating effect of the speaker product of batch production.
Embodiment three:
Figure 10 and Figure 11 is the diagrammatic cross-section of the loudspeaker of the embodiment of the present invention.The loudspeaker and embodiment of the present embodiment
One and embodiment two described in the difference of loudspeaker be that the bottom of magnetic bowl 8 is provided with the first damping hole 81, magnet 6 is provided with
With one-to-one second damping hole 61 of first damping hole 81, top flat 7 is provided with a pair of with second damping hole 61 1
The third damping hole 71 answered.In the present embodiment, first damping hole 81 and the second damping hole 61 are disposed as through-hole, described
Third damping hole 71 is set as through-hole or blind hole.Wherein, first damping hole 81 is hindered with corresponding second damping hole 61, third
The connection of Buddhist nun hole 71 forms accommodating cavity C.The accommodating cavity C is for accommodating the first damping structure 3.In the present embodiment, described
First damping structure 3 can fill damping material appropriate according to the size of accommodating cavity C and be formed.First damping structure 3
Material be paste or g., jelly-like, first damping structure 3 can using damping cream or paste white oil etc. formation.It is raised in production
When sound device, damping cream or paste white oil are filled in what the first damping hole 81, the second damping hole 61 and third damping hole 71 were formed
It accommodates in cavity C, the first damping structure 3 can be formed.
Accordingly, the rear shell 4 of loudspeaker is provided with fixed hole 41 corresponding with accommodating cavity location of C, i.e. fixed hole
41 position is corresponding with the position of the first damping hole 81.Resistance elements 5 can pass through fixed hole 41 after be set to accommodating cavity
The first damping structure 3 contact in body C.When magnetic circuit system B is receiving pumping signal and is being vibrated, resistance elements 5 and
One damping structure, 3 generation acts on opposite power, that is to say, that damping is generated, so that the Oscillation Amplitude of magnetic circuit system B is gradually reduced,
Frequency band broadens.
In another optional implementation, the bottom of magnetic bowl 8 can be set multiple first damping holes 81, and the multiple first
Damping hole 81 is through-hole.Corresponding, magnet 6 and top flat 7 are respectively arranged with the second damping identical with 81 quantity of the first damping hole
Hole 61 and third damping hole 71, the multiple second damping hole 61 and third damping hole 71 respectively with multiple first damping holes 81
Position corresponds, and forms multiple accommodating cavity C with connection.In the present embodiment, the quantity for accommodating cavity C can be according to demand
It is configured.Accordingly, loudspeaker includes multiple first damping structures 3 and multiple resistance elements 5, first damping structure 3
It is identical as the accommodating quantity of cavity C with the quantity of resistance elements 5, as shown in figure 12.Meanwhile rear shell 4 is corresponding is provided with and holds
Set the identical fixed hole 41 of cavity C quantity.Wherein, the position of multiple fixed holes 41 and multiple accommodating cavity C corresponds,
After multiple first damping structures 3 are respectively placed in corresponding accommodating cavity C, then multiple resistance elements 5 are each passed through
It is connected after corresponding fixed hole 41 with corresponding first damping structure 3.
In the present embodiment, the cross-sectional shape of multiple accommodating cavity C and size can be set to identical or different, right
The fixed hole 41 of position is answered to be set as and the cross section having the same corresponding accommodating cavity C, the corresponding interior filling of accommodating cavity C
The first damping structure 3 can be filled generation, while the resistance elements of corresponding position 5 second according to actual needs
The cross section divided is identical as the cross section of corresponding fixed hole 41.Preferably, multiple accommodating cavity C can be set to identical
Structure, i.e., cross section having the same and size, accordingly, multiple fixed holes 41, multiple resistance elements 5 can also be distinguished
It is set as identical structure, and is adapted respectively with accommodating cavity C, to improve the producing efficiency of loudspeaker.Preferably, Duo Gerong
Setting cavity C can be evenly arranged on magnetic bowl 8, magnet 6 and top flat 7, so that magnetic circuit system B can equably generate vibration
It is dynamic, improve vibrating effect.
In another optional implementation, the outside of the weight member 10 is also provided with multiple protruding portion 101, basin
Frame 9 is provided with multiple grooves 91 in the position opposite with protruding portion 101, exists between the groove 91 and protruding portion 101 smaller
Gap.Second damping structure 31 can be set in the gap between the groove 91 and protruding portion 101, connect the basin
Frame 9 and weight member 10, as shown in Figure 13 and Figure 14.Preferably, the multiple protruding portion 101 can symmetrically, be equably arranged
In the outside of weight member 10, so that magnetic circuit system B can be generated good vibration by uniform resistance in vibration
Effect.The shape and quantity of the groove 91 and protruding portion 101 can be configured according to demand.Second damping structure
31 material is paste or g., jelly-like, and second damping structure 31 can be using the damping formation such as cream or paste white oil.
The loudspeaker of the present embodiment is being accommodated by the way that downwardly open accommodating cavity is arranged on magnetic bowl, magnet and top flat
Damping structure is set in cavity, fixed hole then is set in rear shell position corresponding with the accommodating cavity, by resistance elements
It is connect across fixed hole with the damping structure, and then increases the damping of magnetic circuit system, so that the frequency band of magnetic circuit system becomes
Width, and then ensure that the vibrating effect of the speaker product of batch production.
Example IV:
Figure 13-Figure 15 is the diagrammatic cross-section of the loudspeaker of the embodiment of the present invention.The loudspeaker and embodiment of the present embodiment
One, the difference of loudspeaker described in embodiment two and embodiment three is, accommodating cavity C is not provided in magnetic circuit system B, namely
Not any damping hole in magnetic bowl 8, magnet 6 and top flat 7, corresponding rear shell 4 is without setting fixed hole.In the present embodiment
In, damping system D is the second damping structure 31, is set between magnetic circuit system B and shell E, when magnetic circuit system vibration, to produce
Raw damping slowing down vibration.
In the present embodiment, the outside of the weight member 10 of the magnetic circuit system B is provided with multiple protruding portion 101, frame 9
The position opposite with protruding portion 101 is provided with multiple grooves 91, between the groove 91 and protruding portion 101 exist it is smaller between
Gap.Second damping structure 31 is set in the gap between the groove 91 and protruding portion 101, connects 9 He of frame
Weight member 10.Preferably, the multiple protruding portion 101 can outside that is symmetrical, being evenly arranged in weight member 10 so that
Magnetic circuit system B is obtained in vibration, good vibrating effect can be generated by uniform resistance.The groove 91 and protruding portion
101 shape and quantity can be configured according to demand.The material of second damping structure 31 be paste or g., jelly-like,
Second damping structure 31 can be using the damping formation such as cream or paste white oil.
In the present embodiment, the loudspeaker is circular configuration, i.e. the shape knot of loudspeaker all components for being included
Structure is circle, and the groove 91 and protruding portion 101 are separately positioned on frame 9 and weight member in a manner of angle having the same
On 10, as shown in figure 13.In another optional implementation, the loudspeaker may be set to be square structure, described recessed
Slot 91 and protruding portion 101 are separately positioned on four angles of frame 9 and weight member 10 symmetrically, such as Figure 14 and Figure 15 institute
Show.
The loudspeaker of the present embodiment increases magnetic circuit system by the way that damping structure is arranged between frame and weight member
Damping ensure that the vibrating effect of the speaker product of batch production so that the frequency band of magnetic circuit system broadens.
The above description is only a preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For, the invention can have various changes and changes.All any modifications made within the spirit and principles of the present invention are equal
Replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of loudspeaker, comprising:
Vibrational system (A), with vibrating diaphragm (1) and the voice coil (2) being fixedly connected with the vibrating diaphragm (1), the voice coil (2) is configured
To drive vibrating diaphragm (1) vibration；
Magnetic circuit system (B), suitably forms magnetic gap region；
Shell (E) is suitable for the fixed vibrational system (A) and magnetic circuit system (B), wherein the magnetic circuit system (B) is configured as
It is vibrated relative to the shell (E)；
Damping system (D) is set between the magnetic circuit system (B) and the shell (E), and the damping system (D) is configured
For the Oscillation Amplitude for reducing the magnetic circuit system.
2. loudspeaker according to claim 1, which is characterized in that there is the magnetic circuit system (B) at least one to open downwards
The accommodating cavity (C) of mouth；
The shell (E) includes rear shell (4), and the bottom of the rear shell (4) has at least one fixed hole (41), the fixation
The position of through-hole (41) is corresponding with the accommodating position of cavity (C)；
The damping system (D) includes:
At least one first damping structure (3) is set in the corresponding accommodating cavity (C)；
At least one resistance elements (5) passes through the fixed hole (41) and connects with corresponding first damping structure (3).
Preferably, the magnetic circuit system (B) includes:
Magnet (6)；
Top flat (7), is set to the top of the magnet (6)；
Magnetic bowl (8), for fixing the magnet (6), so that shape between the magnet (6), top flat (7) and the magnetic bowl (8)
At the magnetic gap region.
3. loudspeaker according to claim 2, which is characterized in that the bottom of the magnetic bowl (8) have at least one first
Damping hole (81), first damping hole (81) form the accommodating cavity (C).
4. loudspeaker according to claim 2, which is characterized in that the bottom of the magnetic bowl (8) be provided at least one
One damping hole (81)；
The magnet (6) is provided with and one-to-one second damping hole (61) of first damping hole (81), first resistance
Buddhist nun hole (81) forms the accommodating cavity (C) with the connection of corresponding second damping hole (61).
5. loudspeaker according to claim 2, which is characterized in that the bottom of the magnetic bowl (8) be provided at least one
One damping hole (81)；
The magnet (6) is provided with and one-to-one second damping hole (61) of first damping hole (81)；
The top flat (7) is provided with and the one-to-one third damping hole (71) of second damping hole (61)；
First damping hole (81) forms the accommodating cavity with corresponding second damping hole (61), third damping hole (71) connection
Body (C).
6. loudspeaker according to claim 1, which is characterized in that the magnetic circuit system (B) has multiple accommodating cavitys
(C), it is set to the bottom of the magnetic circuit system (B)；
The shell (E) includes rear shell (4), and there is the multiple and accommodating cavity (C) to correspond for the bottom of the rear shell (4)
Fixed hole (41)；
The damping system (D) includes:
Multiple first damping structures (3) are set in the corresponding accommodating cavity (C)；
It is multiple that resistance elements (5), the resistance elements (5) pass through corresponding described correspondingly with the fixed hole (41)
Fixed hole (41) is connect with first damping structure (3).
7. the loudspeaker according to any one of claim 2-6, which is characterized in that the cross section of the resistance elements (5)
Less than the cross section of accommodating cavity (C), so that the side of the side wall of the resistance elements (5) and accommodating cavity (C)
Wall forms gap.
8. loudspeaker according to claim 1, which is characterized in that the magnetic circuit system (B) includes:
Magnet (6)；
Top flat (7), is set to the top of the magnet (6)；
Magnetic bowl (8), for fixing the magnet (6), so that shape between the magnet (6), top flat (7) and the magnetic bowl (8)
At the magnetic gap region.
9. the loudspeaker according to claim 2 or 8, which is characterized in that the magnetic circuit system (B) further include:
Weight member (10) is set to the outside of the magnetic bowl (8)；
Cantilever (11) is fixed between the magnetic bowl (8) and the weight member (10) on the inside of the cantilever (11), described outstanding
The outside of arm (11) is fixedly connected with the shell (E), and the cantilever (11) is configured as driving the magnet (6), top flat
(7), magnetic bowl (8) and weight member (10) vibration；
Wherein, the damping system (D) is set between the weight member (10) and the shell (E).
Preferably, it is provided with multiple protruding portion (101) on the outside of the weight member (10), the damping system (D) includes more
A second damping structure (31)；
The shell (E) further include:
Frame (9), for fixing the vibrational system (A) and magnetic circuit system (B)；
Front housing (12), is set to the top of the frame (9), for fixing the vibrational system (A)；
Wherein, the frame (9) is provided with multiple grooves (91), and the multiple groove (91) and multiple protruding portion (101) are one by one
It is corresponding, it is connect by the second damping structure (31) with the protruding portion (101).
Preferably, second damping structure (31) is paste or g., jelly-like.
10. a kind of electronic equipment, comprising:
Loudspeaker as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910289313.6A CN110149569A (en) | 2019-04-11 | 2019-04-11 | Loudspeaker and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910289313.6A CN110149569A (en) | 2019-04-11 | 2019-04-11 | Loudspeaker and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110149569A true CN110149569A (en) | 2019-08-20 |
Family
ID=67589649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910289313.6A Pending CN110149569A (en) | 2019-04-11 | 2019-04-11 | Loudspeaker and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110149569A (en) |
-
2019
- 2019-04-11 CN CN201910289313.6A patent/CN110149569A/en active Pending
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