CN106034275A - Active anti-vibration microphone - Google Patents
Active anti-vibration microphone Download PDFInfo
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- CN106034275A CN106034275A CN201510120738.6A CN201510120738A CN106034275A CN 106034275 A CN106034275 A CN 106034275A CN 201510120738 A CN201510120738 A CN 201510120738A CN 106034275 A CN106034275 A CN 106034275A
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Abstract
An active anti-vibration microphone comprises a handle unit, a cover cap connected to the handle unit, and a circuit unit and a sound head module arranged in the handle unit. The handle unit comprises a casing around the axis and a contact base fixed in the casing and around the axis. The cover cap and the casing define an accommodating cavity for accommodating the sound head module. The sound head module comprises a bearing seat, a main conversion unit and an auxiliary conversion unit. The bearing seat includes a hollow segment and first and second bearing segments, the hollow segment is fixed to the contact base, the first and second bearing segments accommodate the main conversion unit and the auxiliary conversion unit respectively, and the first bearing segment is closer to the cover cap than the second bearing segment. The main conversion unit includes a diaphragm which can generate first vibration with seismic and sound waves, and the first vibration can be converted into a first electrical signal including primary and secondary electrical signals. The auxiliary conversion unit includes a diagram which can generate second vibration and can convert the second vibration into a second electrical signal including the secondary electrical signal. The conversion units are connected to the circuit unit via opposite polarities, the secondary electrical signal converted by the seismic waves can be offset, and noises are reduced greatly.
Description
Technical field
The present invention relates to a kind of mike, particularly relate to a kind of active antidetonation mike
(Active vibration cancelling microphone)。
Background technology
Refering to Fig. 1 and Fig. 2, a kind of conventional passive type antidetonation mike 9, have including one
The lever 91, one of one shell space 910 is arranged at the sound head module in this shell space 910
92, one it is connected to an apical margin of this lever 91 and covers the cover cap 93, of this sound head module 92
The individual double shock-absorbing unit 94 being positioned in this shell space 910, and one be arranged at this lever 91
The outside terminal 95 of a root edge.
This sound head module 92 has a message conversion group 921, and turns in order to carry this message
Change the load bearing seat 922 of group 921, and a patch panel 923.This message conversion group 921 is this
Moving-coil type (dynamic) microphone that technical field is familiar with.Connecing of this sound head module 92
Line plate 923 is disposed on a root edge of this load bearing seat 922, and is electrically connected to this message conversion group
921 with this outside terminal 95.This message conversion group 921 can change an audio conversion into a telecommunication,
This patch panel 923 is then in order to this telecommunication to be sent to this outside terminal 95.This pair of shock-absorbing unit
94 have a connector 941, and two shake avoiding bodies 942.The connection of this pair of shock-absorbing unit 94
Part 941 is affixed to this lever 91 and an apical margin of this lever 91 neighbouring.This pair of shock-absorbing unit
The described shake avoiding body 942 of 94 is the opposite end being individually fixed in this connector 941, and with this
The load bearing seat 922 of sound head module 92 is connected with each other.
This conventional passive type antidetonation mike 9 is in glued mode, by this sound head module 92
Load bearing seat 922 be directly anchored on the described shake avoiding body 942 of this pair of shock-absorbing unit 94 with position
At this shell space 910.But, when user this passive type antidetonation mike 9 hand-held is sung
When singing or deliver a speech, this lever 91 will certainly be bestowed friction, rotate, rock or switch and open
The actions such as pass, this lever 91 all can be caused a vibration by these actions.Produced by this vibration
One seismic wave can be by this lever 91 to be orderly sent to the connector 941 of this pair of shock-absorbing unit 94
With described shake avoiding body 942.Therefore, this seismic wave is the buffering effect by described shake avoiding body 942
Slow down the amplitude of this vibration.But, described shake avoiding body 942 cannot eliminate this shake significantly
Ripple.Therefore, the seismic wave being not yet eliminated still can be passed by a vibrating diaphragm of this message conversion group 921
Pass, the noise undesirable to be converted into the person skilled of this technical field.What is more,
If Oscillation Amplitude is excessive, described shake avoiding body 942 then performs practically no function, it is impossible to effectively play fall
The function of low noise.
Understand through described above, how to propose a kind of Mike that noise can be greatly reduced
Wind, is the difficult problem that the person skilled of this technical field is to be broken through.
Summary of the invention
It is an object of the invention to provide a kind of active antidetonation mike.
The active antidetonation mike of the present invention, comprises: a lever unit, a cover cap, an electricity
Road unit, and a sound head module.
This lever unit includes one around the housing of an axis, and one is fixed on this housing to be positioned at
In this housing and around the contact seat of this axis, this contact seat is in order to as transmitting a seismic wave
Medium.This cover cap inputs for a sound wave and is connected to an apical margin of this housing, and is total to this housing
With defining a room.This circuit unit is arranged at this housing.
This sound head module is positioned in this room, and includes: a load bearing seat, a main converting unit,
And a converting unit.This load bearing seat has one and around this axis and is fixed in this contact seat
Dead band, and carry along the one first carrying Duan Yuyi second that this axis is oppositely extending from this hollow section
Section, and this first carrying section is that relatively this second carrying section is adjacent to this cover cap.This main converting unit
It is placed in this first carrying section, and has one and can shake along with this sound wave and this seismic wave produce one first
Vibrating diaphragm that is dynamic and that pass through for this axis, and a main signal conversion group.This main signal conversion group and its
Vibrating diaphragm connects and is covered by its vibrating diaphragm, and this first vibration can be converted into one containing a main electricity
Signal and the first electric signal of an electric signal.This time converting unit is placed in this second carrying
Section, and there is a vibrating diaphragm that can vibrate along with this seismic wave generation one second and pass through for this axis,
And a signal conversion group.This time signal conversion group is connected with its vibrating diaphragm and is hidden by its vibrating diaphragm
Cover, and this second vibration can be converted into second electric signal containing once electric signal.In this
Dead band at this second carrying section neighbouring, this second carrying section common with this converting unit three
Define a confined space, to make this converting unit be positioned in this confined space；This axis with
At one beeline of this contact seat, it is backwards to the distance essence phase of described vibrating diaphragm along this axis
Deng；This main signal conversion group and time signal conversion group are to be electrically connected in opposite polarity mode
To this circuit unit, to make this first electric signal and this second electric signal be simultaneously transmit to this circuit
Described electric signal can be offset during unit.
The active antidetonation mike of the present invention, the vibrating diaphragm of this converting unit has at least one and wears
Hole.
The active antidetonation mike of the present invention, this perforation is that essence is positioned at this axis.
The active antidetonation mike of the present invention, this main signal conversion group and this signal conversion group
Along this axis be in reverse to this cover cap the most sequentially have one around this axis washer, one be wound with
One coil and the permanent magnet around this axis, and one around this axis, its permanent magnet and its
The yoke of washer, this main converting unit is the most directly to cover it with the vibrating diaphragm of this converting unit
Washer, and each coil being wound in each permanent magnet is electrically connected to this circuit unit；This carrying
The hollow section of seat has one around the body of this axis, and one second holds from this body and neighbouring this
Carry the chassis radially extended at section towards this axis；This converting unit also have one be arranged at this
Two carry sections the tone tuning piece passed for this axis, and this tone tuning piece is this time relatively signal conversion
Group is away from this cover cap；The chassis of this hollow section, this second carrying section, and this converting unit three
Person has defined this confined space jointly.
The active antidetonation mike of the present invention, this main converting unit also have one be arranged at this
The Master Patch Panel of one outer peripheral face of one carrying section, this converting unit also have one be arranged at this
The secondary patch panel of one outer peripheral face of two carrying sections, the coil of this main signal conversion group is sequentially to be electrically connected
It is connected to this Master Patch Panel, this patch panel and this circuit unit, and the line of this signal conversion group
Circle is sequentially to be electrically connected to this patch panel and this circuit unit.
The active antidetonation mike of the present invention, this main signal conversion group is in reverse to this along this axis
Cover cap sequentially have one around this axis washer, one be wound with a coil and around this axis
Permanent magnet, and one around this axis, the yoke of its permanent magnet and its washer；This signal
Conversion group along this axis towards this cover cap sequentially have one around this axis washer, one be wound with
One coil and the permanent magnet around this axis, and one around this axis, its permanent magnet and its
The yoke of washer, this main converting unit is the most directly to cover it with the vibrating diaphragm of this converting unit
Washer, and each coil being wound in each permanent magnet is electrically connected to this circuit unit；This is second years old
Carrying section has one and is connected with this hollow section and in order to house the junction surface of this converting unit, and
One this junction surface relative is away from this hollow section the cap that covers this junction surface, and this hollow section is in neighbour
At this second carrying section nearly, the cap of this second carrying section, and this converting unit three is common
Define this confined space.
The active antidetonation mike of the present invention, this main converting unit also have one be arranged at this
The Master Patch Panel of one outer peripheral face of one carrying section, this converting unit also have one be arranged at this
The secondary patch panel of one outer peripheral face at the junction surface of two carrying sections, the coil of this main signal conversion group is
Sequentially it is electrically connected to this Master Patch Panel, this patch panel and this circuit unit, and this signal turns
The coil changing group is sequentially to be electrically connected to this patch panel and this circuit unit.
The beneficial effects of the present invention is, described the telecommunication changed from this seismic wave can be balanced out
Number and noise is greatly reduced.
Accompanying drawing explanation
The present invention other feature and effect, by reference to graphic embodiment clearly in
Existing, wherein:
Fig. 1 is a three-dimensional exploded view, and a kind of conventional passive type antidetonation mike is described；
Fig. 2 is a part sectioned view, and a sound head of this conventional passive type antidetonation mike is described
Module and the thin portion structure of a pair of shock-absorbing unit；
Fig. 3 is a front exploded view, illustrates that the one first of the present invention active antidetonation mike is real
Execute example；
Fig. 4 is along the decomposing section acquired by the straight line IV-IV of Fig. 3, illustrates that the present invention should
The thin portion structure of first embodiment；
Fig. 5 is a combination section, illustrates that the thin portion structure of this first embodiment of the present invention is in group
Annexation after conjunction；
Fig. 6 is a partial enlarged drawing of Fig. 5, and a sound head of this first embodiment of the present invention is described
The thin portion structure of module；
Fig. 7 is a schematic diagram, and a main signal conversion group institute of this first embodiment of the present invention is described
Produce one first electric signal and a signal conversion group produced by one second electric signal with
Opposite polarity mode electrically connects；
Fig. 8 is a top view, illustrate this first embodiment of the present invention this converting unit one
Vibrating diaphragm；
Fig. 9 is a combination section, illustrates that the one second of the present invention active antidetonation mike is real
Execute example；
Figure 10 is a partial enlarged drawing of Fig. 9, and the sound head mould of this second embodiment of the present invention is described
The thin portion structure of block；
Figure 11 be a loudness to frequency curve chart, illustrate this conventional passive type antidetonation mike,
This first embodiment of the present invention, and this second embodiment noise loudness at different frequencies.
Detailed description of the invention
Before the present invention is described in detail, it shall be noted that in the following description content, similar
Assembly is to be identically numbered to represent.
Refering to Fig. 3, Fig. 4 and Fig. 5, the first embodiment of the present invention active antidetonation mike,
Comprise: lever unit 1, cover cap 2, circuit unit 3, and a sound head module 4.
This lever unit 1 includes one around the housing 11 of an axis X, and one is fixed on this shell
Body 11 is to be positioned at this housing 11 and the contact seat 12 around this axis X.This contact seat 12
It is in order to as the medium transmitting a seismic wave.
This cover cap 2 is for a sound wave input and is connected to an apical margin of this housing 11, and with this shell
Body 11 defines a room 0 jointly.
This circuit unit 3 is arranged at this housing 11 and is positioned at this room 0.
This sound head module 4 is positioned in this room 0, and includes: a main conversion of load bearing seat 5,
Unit 6, and a converting unit 7.
This load bearing seat 5 has one around this axis X the hollow section that is fixed on this contact seat 12
51, and from this hollow section 51 along the oppositely extending one first carrying section 52 of this axis X and one the
Two carry sections 53, and this first carrying section 52 is that this second carrying section 53 relatively is adjacent to this cover cap
2。
This main converting unit 6 be placed in this first carrying section 52, and have one can be along with this sound wave
The main signal of vibrating diaphragm 61, vibrated with this seismic wave generation one first and pass through for this axis X turns
Change group 62, and a Master Patch Panel 63.This main signal conversion group 62 be connected with this vibrating diaphragm 61 and
Covered by this vibrating diaphragm 61, and this first vibration can be converted into one containing a main electric signal (also
Be exactly, this sound wave the electric signal changed) 812 and electric signal (it is, by this seismic wave
The electric signal of conversion) 811 the first electric signal 81, and this electric signal 811 and this main telecommunication
Numbers 812 are respectively voltage V1With V2(see Fig. 7).
This converting unit 7 is placed in this second carrying section 53, and have one can be along with this seismic wave
Produce one second vibration and 71, the signal conversion group 72 of vibrating diaphragm passed through for this axis X,
And primary connection plate 74.This time signal conversion group 72 is connected and by this vibrating diaphragm with this vibrating diaphragm 71
71 are covered, and this second vibration can be converted into second electricity containing once electric signal 821
Signal 82, and this electric signal 821 be voltage V1' (see Fig. 7).
As shown in figs. 5 and 6, this hollow section 51 at this second carrying section 53 neighbouring, should
Second carrying section 53 has defined a confined space 40 jointly with this converting unit 7 three, with
This converting unit 7 is made to be positioned in this confined space 40；This axis X contacts seat 12 with this
A beeline at, be backwards to the distance essence phase of described vibrating diaphragm 61,71 along this axis X
Deng；Additionally, coordinate refering to Fig. 3, Fig. 5 and Fig. 7, this main signal conversion group 62 and time signal
Conversion group 72 is to be respectively electrically connected to this circuit unit 3 in opposite polarity mode so that this is years old
When one electric signal 81 is simultaneously transmit to this circuit unit 3 with this second electric signal 82, described electricity
Press close (it is, V1With V1') and opposite polarity electric signal 811,821 (it is,
The electric signal changed from this seismic wave) can offset, and only it is left the main telecommunication of this first electric signal 81
Number 812 voltage V2(it is, the electric signal changed from this sound wave) is transferred to this circuit list
Unit 3.
Refering to Fig. 8, it is preferred that the vibrating diaphragm 71 of this converting unit 7 has at least one perforation
711.More preferably, this perforation 711 is that essence is positioned at this axis X.Due to this converting unit 7
Vibrating diaphragm 71 be in this confined space 40, this seismic wave of unsusceptibility and vibrate.Therefore,
This vibrating diaphragm 71 mainly makes the pressure of this perforation 711 superjacent air space equal by this perforation 711
In the pressure of this perforation 711 underlying space, in order to the vibration of this vibrating diaphragm 71.
Simply, due at this contact seat 12 to the beeline of this axis X and along being somebody's turn to do
The distance essence that axis X is backwards to described vibrating diaphragm 61,71 is equal, so that this seismic wave is from being somebody's turn to do
After contact seat 12 is incoming, the distance reaching described vibrating diaphragm 61,71 respectively is the most equal.Therefore,
Described time electric signal 811,821 has close waveform and amplitude；Additionally, this main signal turns
Change group 62 and be electrically connected to this circuit unit 3 with both this signal conversion group 72 with opposite polarity
After, make waveform and close described the electric signal 811,821 of amplitude phase between the two
180 degree, and cancelled each other.About this main signal conversion group 62 and this signal conversion group
72 are electrically connected to the concrete connected mode of this circuit unit 3 in opposite polarity mode, then after holding
Explanation.
Referring again to Fig. 5 and Fig. 6, in this first embodiment of the present invention, this main signal conversion group
62 are in reverse to this cover cap 2 with this signal conversion group 72 along this axis X the most sequentially has one
Washer 621,721, one around this axis X is wound with a coil 623,723 and around this
The permanent magnet 622,722 of axis X, and one around this axis X, its permanent magnet 622,
722 with the yoke 624,724 of its washer 621,721.This main converting unit 6 turns with this time
The vibrating diaphragm 61,71 changing unit 7 is the most directly to cover its washer 621,721, and is wound in
Each coil 623,723 of each permanent magnet 622,722 is electrically connected to this circuit unit 3.
Referring to Fig. 5 referring again to Fig. 6 cooperation, in this first embodiment of the present invention, this time turns
Change unit 7 and also include one in order to the tone tuning piece 73 of the Oscillation Amplitude of this vibrating diaphragm 71 of Indirect method；
This tone tuning piece 73 is disposed on this second carrying section 53 and passes for this axis X, and relatively should
Secondary signal conversion group 72 is away from this cover cap 2；The hollow section 51 of this load bearing seat 5 have one around
The body 511 of this axis X, and one at this body 511 and this second carrying section 53 neighbouring
Towards the chassis 512 that this axis X extends.Therefore, in this first embodiment of the present invention, be by
The chassis 512 of this hollow section 51, this second carrying section 53, and this converting unit 7 three
Jointly define this confined space 40.
Additionally, (refer to Fig. 6 referring again to Fig. 3 cooperation) in this first embodiment of the present invention,
This Master Patch Panel 63 is disposed on an outer peripheral face of this first carrying section 52, this patch panel 74
It is disposed on an outer peripheral face of this second carrying section 53；The coil 623 of this main signal conversion group 62
It is sequentially to be electrically connected to this Master Patch Panel 63, this patch panel 74 and this circuit unit 3, and
The coil 723 of this signal conversion group 72 is sequentially to be electrically connected to this patch panel 74 and this electricity
Road unit 3.It should be noted that, although main signal conversion group 62 shown in Fig. 3 herein
Coil 623 be connected directly to this Master Patch Panel 63 and this patch panel 74, and Fig. 3 institute
The coil 723 of the secondary signal conversion group 72 of display is connected directly to this patch panel 74.So
And, it should be noted that, showing of the annexation of Fig. 3 explanation merely for convenience inter-module herein
It is intended to.It practice, the present invention is in time implementing this first embodiment, this main signal conversion group 62
Coil 623 be sequentially to be electrically connected to this main electrical scheme by multiple wires (not giving element numbers)
Plate 63 and this patch panel 74；Similarly, the coil 723 of this signal conversion group 72 is also
It is electrically connected to this patch panel 74 by multiple wires (not giving element numbers).
For more specifically, the detailed description integrating this first embodiment above-mentioned coordinates refering to figure again
3, Fig. 5 Yu Fig. 7 understands, and this main signal conversion group 62 and this signal conversion group 72 are divided
The first electric signal 81 not produced is to electrically connect in opposite polarity mode with the second electric signal 82
(it is, a positive pole of the Master Patch Panel 63 of this main converting unit 6 is single by this conversion
The secondary patch panel 74 of unit 7 is also electrically connected to this circuit unit 3, and the one of this Master Patch Panel 63
Negative pole is then electrically connected to a negative pole of this patch panel 74 and is electrically connected to this patch panel 74
A positive pole, be electrically connected to this circuit unit 3 the most again), can make this first electric signal 81 with
When this second electric signal 82 is simultaneously transmit to this circuit unit 3, make waveform, amplitude phase originally
Near described electric signal 811,821 (it is, close voltage V1With V1') phase place that
This difference 180 degree, thus make described electric signal 811,821 be cancelled out each other.Therefore,
Only export the main electric signal 812 voltage V of this first electric signal 812, and reach to eliminate noise
Effect.Need supplementary notes herein, be transferred to the first electric signal 81 of this circuit unit 3
Main electric signal 812, finally can be further advanced by multiple transmission line and be connected to be positioned at this lever
The outside terminal (not shown) of one root edge of the housing 11 of unit 1, raises one's voice to outside with transmission
Device.
To be remarked additionally, this first electric signal 81 and this second electric signal 82 are with polarity phase
Anti-mode electrically connects, in addition to the form of the electrical connection of above-mentioned positive and negative electrode, and also can be according to
This Master Patch Panel 63, the configuration of positive and negative electrode of secondary patch panel 73, be electrically connected form
Adjust.
This first embodiment of the present invention makes this seismic wave be transmitted by the housing 11 of this lever unit 1
After being fixed on the contact seat 12 (see Fig. 5) of this housing 11, it is the most reverse along this axis X
It is transferred to the hollow section 51 of this load bearing seat 5, described carrying section 52,53 and described converting unit
6、7；Also, this contact seat 12 is at the beeline of this axis X and reverse along this axis X
The extremely distance of the vibrating diaphragm 61,71 of described converting unit 6,7 is the most equal.Therefore, described in coordinating
Signal conversion group 62,72 is electrically connected to this circuit unit 3 in opposite polarity mode, it is possible to main
Eliminate produced by described electric signal (electric signal changed from this seismic wave) 811,821 dynamicly
Noise, solving this passive type antidetonation mike 9 conventional cannot be significantly because Oscillation Amplitude is excessive
The problem eliminating noise.
Refering to Fig. 9 and Figure 10, the second embodiment of the present invention active antidetonation mike, substantially
On be the same as this first embodiment, be at they are different, this load bearing seat of this sound head module 4
5 and the thin portion structure of this converting unit 7.
As shown in Figure 10, this load bearing seat 5 of this second embodiment of the present invention is except this hollow section
51 are different from this first embodiment (is shown in Fig. 6 it is, this hollow section 51 does not has outward
Body 511 and chassis 512), and the second carrying section 53 of this second embodiment is such as Figure 10
Shown in, have one and be connected with this hollow section 51 and in order to house the joint of this converting unit 7
Portion 531, and this junction surface 531 relative away from this hollow section 51 and covers junction surface 531
Cap 532.
Additionally, referring again to Fig. 9 and Figure 10, the secondary converting unit 7 of this second embodiment of the present invention
Except structure is different from this first embodiment (it is, do not have the tone tuning piece being shown in Fig. 6
Outward, and this signal conversion group 72 is as shown in Figure 9 along this axis X towards this cover cap 2 73)
Sequentially have this around this axis X washer 721, this be wound with this coil 723 and around this
The permanent magnet 722 of axis X, and should be around this axis X, its permanent magnet 722 and its China
Take charge of the yoke 724 of 721, and the vibrating diaphragm 71 of this converting unit 7 is directly to cover its washer
721。
In this second embodiment of the present invention, this hollow section 51 is in this second carrying section 53 neighbouring
Place, the cap 532 of this second carrying section 53, and this converting unit 7 three have defined jointly
This confined space 40, and the secondary patch panel 74 of this converting unit 7 is disposed on this and second holds
Carry an outer peripheral face at the junction surface 531 of section 53.
From described above and with structure shown by Figure 10 understand, this main converting unit 6 with
The thin parts in this converting unit 7 configuration relation in this axis X, is specular
Arrange.In other words, this seismic wave from this contact seat 12 this load bearing seat 5 incoming with along this axis
During X back transfer extremely described converting unit 6,7, it it is identical medium of sequentially passing through；
Therefore, the described converting unit 6,7 of this second embodiment of the present invention is to share this load bearing seat 5
Hollow section 51 with the sound chamber as this sound head module 4.
This second embodiment of the present invention, in eliminating in the mechanism of noise produced by this seismic wave, is phase
It is same as this first embodiment, no longer adds to repeat in this.
For being further characterized by the overall knot of the active antidetonation mike of embodiment of the present invention
Structure designs, and is an advantage over this conventional passive type in the ability eliminated on the noise that this seismic wave is derived
Antidetonation mike 9, applicant is to propose Figure 11 to aid in illustrating.Understand refering to Figure 11, with
Institute is exceeded in frequency loudness at 20Hz～200Hz toward this passive type antidetonation mike 9
State embodiment many, it was demonstrated that the structure design of embodiment of the present invention can eliminate this shake significantly
Noise produced by ripple.What is particularly worth mentioning is that, due to the described conversion of this second embodiment
Unit 6,7 shares the sound chamber that hollow section 51 is its sound head module 4 of this load bearing seat 5 (i.e.,
This seismic wave is on the way through identical Jie during this contact seat 12 this sound head module 4 incoming
Matter) so that the secondary electric signal 811 of this first electric signal 81 and this second electric signal 82
The waveform of secondary electric signal 821, amplitude are more nearly.Therefore, this second embodiment is situated between in frequency
Loudness at 20Hz～200Hz is less than this first embodiment, its noise that can eliminate
Many compared with this first embodiment.
In sum, the overall construction design of the present invention active antidetonation mike, on the one hand order
This main converting unit 6 and this converting unit 7 be respectively contained in this load bearing seat 5 this first,
Two carrying sections 52,53, on the other hand make the position that the contact seat 12 of this lever unit 1 is fixed
Put that this seismic wave can be made to be transferred to the distance of described vibrating diaphragm 61,71 is equal, and coordinate opposite polarity
Mode make described signal conversion group 62,72 be electrically connected in this circuit unit 3, can offset
Fall described the electric signal 811,821 changed from this seismic wave, thus noise be greatly reduced,
So the purpose of the present invention really can be reached.
As described above, only embodiments of the invention, when not limiting the present invention with this
The scope implemented, the most all according to claims of the present invention and description made simple etc.
Effect change and modification, the most still belong to the scope of the present invention.
Claims (7)
1. an active antidetonation mike, comprises: a lever unit, a cover cap, one
Circuit unit, and a sound head module, this lever unit includes one around the housing of an axis,
This cover cap inputs and is connected to an apical margin of this housing, and boundary common with this housing for a sound wave
Making a room, this circuit unit is arranged at this housing, and this sound head module is positioned at this room
In；It is characterized in that:
This lever unit also includes that one is fixed on this housing to be positioned at this housing and around this axle
The contact seat of line, this contact seat is in order to as the medium transmitting a seismic wave；
This sound head module includes:
One load bearing seat, has one around this axis the hollow section that is fixed on this contact seat,
And carry along the one first carrying Duan Yuyi second that this axis is oppositely extending from this hollow section
Section, and this first carrying section be relatively this second carrying section adjacent to this cover cap,
One main converting unit, be placed in this first carrying section, and have one can be along with this sound
Ripple and this seismic wave produce one first vibration and the vibrating diaphragm passed through for this axis, and main news
Number conversion group, this main signal conversion group is connected with this vibrating diaphragm and is covered by this vibrating diaphragm,
And this first vibration can be converted into one containing the of a main electric signal and an electric signal
One electric signal,
Converting unit, be placed in this second carrying section, and have one can be along with this shake
Ripple produces one second vibration and the vibrating diaphragm passed through for this axis, and a signal conversion group,
This time signal conversion group is connected with this vibrating diaphragm and is covered by this vibrating diaphragm, and can by this
Two vibrations are converted into second electric signal containing once electric signal；
Wherein, this hollow section is at this second carrying section neighbouring, this second carrying section and this time
Converting unit three has defined a confined space jointly, airtight to make this converting unit be positioned at this
In space；
Wherein, this axis contacts with this at beeline of seat, is backwards to institute along this axis
The distance essence stating vibrating diaphragm is equal；And
Wherein, this main signal conversion group and time signal conversion group are to divide in opposite polarity mode
It is not electrically connected to this circuit unit, to make this first electric signal transmit with this second electric signal simultaneously
To offsetting described electric signal during this circuit unit.
Active antidetonation mike the most according to claim 1, it is characterised in that: should
The vibrating diaphragm of secondary converting unit has at least one perforation.
Active antidetonation mike the most according to claim 2, it is characterised in that: should
Perforation is that essence is positioned at this axis.
Active antidetonation mike the most according to claim 3, it is characterised in that: should
Main signal conversion group is in reverse to this cover cap with this signal conversion group along this axis the most sequentially to be had
Have one around this axis washer, one be wound with a coil and the permanent magnet around this axis,
And one around this axis, the yoke of its permanent magnet and its washer, this main converting unit with should
The vibrating diaphragm of secondary converting unit is the most directly to cover its washer, and is wound in each permanent magnet
Each coil is electrically connected to this circuit unit；The hollow section of this load bearing seat has one around this axle
The body of line, and one radially extend towards this axis at this body and this second carrying section neighbouring
Chassis；This converting unit also has one and is arranged at this second carrying section and wears for this axis
The tone tuning piece crossed, and this tone tuning piece is that relatively this signal conversion group is away from this cover cap；In this
The chassis of dead band, this second carrying section, and this converting unit three jointly to have defined this close
Close space.
Active antidetonation mike the most according to claim 4, it is characterised in that: should
Main converting unit also has the Master Patch Panel of an outer peripheral face being arranged at this first carrying section,
This converting unit also has the secondary wiring of an outer peripheral face being arranged at this second carrying section
Plate, the coil of this main signal conversion group is sequentially to be electrically connected to this Master Patch Panel, this wiring
Plate and this circuit unit, and the coil of this signal conversion group is sequentially to be electrically connected to this time connect
Line plate and this circuit unit.
Active antidetonation mike the most according to claim 3, it is characterised in that: should
Main signal conversion group is in reverse to this cover cap along this axis and sequentially has one around China of this axis
Department, one be wound with a coil and the permanent magnet around this axis, and one around this axis,
Its permanent magnet and the yoke of its washer；This signal conversion group is along this axis towards this cover cap
Sequentially have one around this axis washer, one be wound with a coil and around this axis forever
For a long time Magnet, and one around this axis, the yoke of its permanent magnet and its washer, this main conversion
Unit is the most directly to cover its washer with the vibrating diaphragm of this converting unit, and is wound in the most forever
Each coil of Magnet is electrically connected to this circuit unit for a long time；This second carrying section has one and is somebody's turn to do
Hollow section linking the junction surface in order to accommodating this converting unit, and this junction surface relative
Away from this hollow section the cap that covers this junction surface, this hollow section is in this second carrying neighbouring
At Duan, the cap of this second carrying section, and this converting unit three jointly to have defined this close
Close space.
Active antidetonation mike the most according to claim 6, it is characterised in that: should
Main converting unit also has the Master Patch Panel of an outer peripheral face being arranged at this first carrying section,
This converting unit also has an outer peripheral face at a junction surface being arranged at this second carrying section
Secondary patch panel, the coil of this main signal conversion group be sequentially be electrically connected to this Master Patch Panel, should
Secondary patch panel and this circuit unit, and the coil of this signal conversion group is sequentially to be electrically connected to
This patch panel and this circuit unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510120738.6A CN106034275B (en) | 2015-03-19 | 2015-03-19 | Active antidetonation microphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510120738.6A CN106034275B (en) | 2015-03-19 | 2015-03-19 | Active antidetonation microphone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106034275A true CN106034275A (en) | 2016-10-19 |
| CN106034275B CN106034275B (en) | 2019-03-01 |
Family
ID=57149039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510120738.6A Active CN106034275B (en) | 2015-03-19 | 2015-03-19 | Active antidetonation microphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106034275B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111954137A (en) * | 2019-05-14 | 2020-11-17 | 佳乐电子股份有限公司 | Microphone with back cavity |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5218642A (en) * | 1991-10-29 | 1993-06-08 | Chin Fa Yen | Feedback noise-eliminating microphone circuit |
| CN1441623A (en) * | 2002-02-27 | 2003-09-10 | 苏庚癸 | Pick-up of microphone |
| CN101076202A (en) * | 2006-05-16 | 2007-11-21 | 佳乐电子股份有限公司 | Connect shock absorber of microphone |
| TW201322782A (en) * | 2011-11-25 | 2013-06-01 | Rong-Chin Lo | Implementation of active noise cancellation of exhaust hood using phase compensation technology |
| TWM494701U (en) * | 2014-07-08 | 2015-02-01 | 美洛克工業股份有限公司 | Automatic platform correction mechanism for three-dimensional printing |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW494701B (en) * | 2000-11-10 | 2002-07-11 | Guang-Jr Shiu | Differential type inverse-phase noise control system |
-
2015
- 2015-03-19 CN CN201510120738.6A patent/CN106034275B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5218642A (en) * | 1991-10-29 | 1993-06-08 | Chin Fa Yen | Feedback noise-eliminating microphone circuit |
| CN1441623A (en) * | 2002-02-27 | 2003-09-10 | 苏庚癸 | Pick-up of microphone |
| CN101076202A (en) * | 2006-05-16 | 2007-11-21 | 佳乐电子股份有限公司 | Connect shock absorber of microphone |
| TW201322782A (en) * | 2011-11-25 | 2013-06-01 | Rong-Chin Lo | Implementation of active noise cancellation of exhaust hood using phase compensation technology |
| TWM494701U (en) * | 2014-07-08 | 2015-02-01 | 美洛克工業股份有限公司 | Automatic platform correction mechanism for three-dimensional printing |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111954137A (en) * | 2019-05-14 | 2020-11-17 | 佳乐电子股份有限公司 | Microphone with back cavity |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106034275B (en) | 2019-03-01 |
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