CN208971823U - A kind of detection device of microphone self-excitation - Google Patents
A kind of detection device of microphone self-excitation Download PDFInfo
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- CN208971823U CN208971823U CN201822080321.3U CN201822080321U CN208971823U CN 208971823 U CN208971823 U CN 208971823U CN 201822080321 U CN201822080321 U CN 201822080321U CN 208971823 U CN208971823 U CN 208971823U
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Abstract
The utility model provides a kind of detection device of microphone self-excitation, is related to microphone techniques field.The detection device of microphone self-excitation includes: cabinet, bracket, audio-frequency test component, and bracket is mounted in cabinet, and bracket is for installing microphone, and audio-frequency test component is for detecting whether microphone is in self-excitation state.In the present invention, bracket is mounted in cabinet, and microphone is placed on bracket, and test suite carries out microphone, and whether detection microphone is in self-excitation state.In the present invention, device simply uses, and can reduce artificial error factor, improves the quality standard of microphone finished product detection, while improving production efficiency.
Description
Technical field
The utility model relates to microphone techniques fields, in particular to a kind of detection device of microphone self-excitation.
Background technique
Existing Market integrating portable microphone K song device is generally popular, due to practical height, practises singing, sings regardless of occasion,
The K song user that record has attracted mainstream to like, but integrated type microphone is expired due to the mode for being made of one microphone and speaker
The principal element that foot self-excitation is formed, for example, microphone and speaker from it is too close, microphone voice is too big, and integration is shockproof bad, K song
Space it is small it is equal can all cause product self-excitation, and self-excitation state be it is random, it is uncontrollable, so by artificial judgement side when producing line detects
Formula can not react time of day, cause microphone quality final product quality lower, while reduce its production efficiency.
Utility model content
The purpose of this utility model is to provide a kind of detection device of microphone self-excitation, can reduce artificial error because
Element, improves the quality standard of microphone finished product detection, while improving production efficiency.
The utility model provides a kind of technical solution:
A kind of detection device of microphone self-excitation, for detecting whether microphone is in self-excitation state, comprising: cabinet, support
Frame, audio-frequency test component, the bracket are mounted in the cabinet, and the bracket is for installing microphone, the audio-frequency test
Component is for detecting whether the microphone is in self-excitation state.
Further, in the utility model preferred embodiment, the bracket includes connecting plate and fixed part, described solid
Determine portion to be mounted on the connecting plate, fixed part is for fixing the microphone.
Further, in the utility model preferred embodiment, mounting groove, the Mike are provided on the fixed part
Wind is placed in the mounting groove.
Further, in the utility model preferred embodiment, the fixed part is two, two fixed parts
The both ends of the connecting plate are not set.
Further, in the utility model preferred embodiment, the detection device of the microphone self-excitation further include every
Sound cover, the blimp are connect with the bracket, and the blimp is used to cooperate with the microphone of the microphone.
Further, in the utility model preferred embodiment, the blimp includes interconnecting piece and auxiliary section, described
Interconnecting piece is connect with the bracket, and the auxiliary section is used to cooperate with the microphone.
Further, in the utility model preferred embodiment, the auxiliary section have groove, the groove with it is described
Microphone cooperation.
Further, in the utility model preferred embodiment, clamping portion, the bracket are provided on the interconnecting piece
On be provided with blocked hole, the clamping portion and the blocked hole cooperate, and are fixedly mounted on the interconnecting piece on the bracket.
Further, in the utility model preferred embodiment, the audio-frequency test component includes audio-frequency test instrument, source
Speaker and pick-up piece, the source speaker and the pick-up piece are arranged in the cabinet；
The source speaker is used to play source of sound to the microphone；
The pick-up piece is used for the audio signal after the microphone internal receipt to the source of sound；
The audio-frequency test instrument is used for after receiving the audio signal, judges whether the microphone is in self-excitation shape
State.
Further, in the utility model preferred embodiment, the audio-frequency test instrument is used to believe according to the audio
Number frequency analysis described in audio signal audio amplitude, the audio amplitude and predetermined amplitude, when the audio amplitude
When greater than the predetermined amplitude, judge that the microphone is in self-excitation state.
The beneficial effect of the detection device of microphone self-excitation provided by the utility model is: the detection device of microphone self-excitation
It include: cabinet, bracket, audio-frequency test component, bracket is mounted in cabinet, and bracket is for installing microphone, audio-frequency test component
For detecting whether microphone is in self-excitation state.
In the present invention, bracket is mounted in cabinet, and microphone is placed on bracket, and test suite is to microphone
It carries out, whether detection microphone is in self-excitation state.In the present invention, device simply uses, and can reduce artificial error
Factor, improves the quality standard of microphone finished product detection, while improving production efficiency.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the detection device of microphone self-excitation provided by the embodiment of the utility model and the first visual angle of microphone cooperation
Structural schematic diagram.
Fig. 2 is the detection device of microphone self-excitation provided by the embodiment of the utility model and the second visual angle of microphone cooperation
Structural schematic diagram.
Fig. 3 is the structural schematic diagram of the detection device of microphone self-excitation provided by the embodiment of the utility model.
Fig. 4 is the structural schematic diagram of the bracket of the detection device of microphone self-excitation provided by the embodiment of the utility model.
Fig. 5 is the knot at the first visual angle of the blimp of the detection device of microphone self-excitation provided by the embodiment of the utility model
Structure schematic diagram.
Fig. 6 is the knot at the second visual angle of the blimp of the detection device of microphone self-excitation provided by the embodiment of the utility model
Structure schematic diagram.
Icon: the detection device of 100- microphone self-excitation；110- bracket；112- connecting plate；114- fixed part；116- installation
Slot；118- blocked hole；120- cabinet；130- audio-frequency test component；132- audio-frequency test instrument；The source 134- speaker；136- pick-up piece；
140- blimp；142- interconnecting piece；The auxiliary section 144-；146- groove；The clamping portion 148-；200- microphone.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be understood that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or
The utility model product using when the orientation or positional relationship usually put or those skilled in the art usually understand
Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion is signified sets
Standby or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model
Limitation.
In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, it is not understood to indicate or imply
Relative importance.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition
Solve the concrete meaning of above-mentioned term in the present invention.
Embodiment
Referring to Fig. 1, present embodiments providing a kind of detection device 100 of microphone self-excitation, wheat provided in this embodiment
The detection device 100 of gram wind self-excitation can reduce artificial error factor, improve the quality standard of 200 finished product detection of microphone,
Production efficiency is improved simultaneously.
Whether the detection device 100 of microphone self-excitation provided in this embodiment is mainly for detection of microphone 200 in certainly
Swash state.
Fig. 1-Fig. 3 is please referred to, in the present embodiment, the detection device 100 of microphone self-excitation includes: cabinet 120, bracket
110, audio-frequency test component 130, bracket 110 are mounted in cabinet 120, and bracket 110 is for installing microphone 200, audio-frequency test
Whether component 130 is for detecting microphone 200 in self-excitation state.
In the present embodiment, bracket 110 is mounted in cabinet 120, microphone 200 is placed on bracket 110, test group
Part carries out microphone 200, and whether detection microphone 200 is in self-excitation state.In the present embodiment, device simply uses, energy
Artificial error factor is enough reduced, the quality standard of 200 finished product detection of microphone is improved, while improving production efficiency.
Referring to Fig. 4, in the present embodiment, bracket 110 includes connecting plate 112 and fixed part 114, fixed part 114 is installed
On connecting plate 112, fixed part 114 is for fixing microphone 200.
In the present embodiment, fixed part 114 is mounted on connecting plate 112, and microphone 200 is mounted on 114 plate of fixed part, even
Fishplate bar 112 is mounted in cabinet 120, is capable of increasing the contact area of bracket 110 Yu cabinet 120, improves bracket 110 and cabinet
120 mounting stability.
In the present embodiment, mounting groove 116 is provided on fixed part 114, microphone 200 is placed in mounting groove 116.Peace
Tankage 116 can be improved the stability fixed to microphone 200 of fixed part 114, improve the precision of self-excitation state-detection.
It should be noted that in the present embodiment, fixed part 114 fixes microphone 200 by mounting groove 116, still
Without being limited thereto, in the other embodiments of the utility model, fixed part 114 can fix Mike by other modes such as buckles
Wind 200, the scheme being equal with the present embodiment can achieve the effect that the present embodiment, in the protection scope of the utility model
It is interior.
In the present embodiment, fixed part 114 is two, and two fixed parts 114 are separately positioned on the both ends of connecting plate 112.
In the present embodiment, fixed part 114 is two, and the both ends that two fixed parts 114 fix microphone 200 respectively can
Fixed part 114 is improved to the fixed effect of microphone 200.
It should be noted that in the present embodiment, fixed part 114 is two, and but not limited to this, in the utility model
In other embodiments, fixed part 114 can be one or three, and when fixed part 114 is three, two fixed parts 114 are solid
Determine the both ends of microphone 200, the body portion of the fixed microphone 200 of another fixed part 114, the scheme being equal with the present embodiment,
It can achieve the effect that the present embodiment, it is within the protection scope of the present utility model.
Fig. 5 and Fig. 6 is please referred to, in the present embodiment, the detection device 100 of microphone self-excitation further includes blimp 140, every
Sound cover 140 is connect with bracket 110, and blimp 140 is used to cooperate with the microphone of microphone 200.
In the present embodiment, after test suite has carried out a test to microphone 200, blimp 140 and microphone
200 microphone is cooperated, and carries out a test again to microphone 200.Cooperated using blimp 140 and microphone, can be completely cut off
Noise improves the precision of 200 self-excitation state verification of microphone.
In the present embodiment, blimp 140 includes interconnecting piece 142 and auxiliary section 144, and interconnecting piece 142 and bracket 110 connect
It connects, auxiliary section 144 is used to cooperate with microphone.
In the present embodiment, interconnecting piece 142 is mounted on connecting plate 112, is fixedly connected with connecting plate 112, improve every
The fixed effect of sound cover 140 and connecting plate 112.
In the present embodiment, auxiliary section 144 has groove 146, and groove 146 and microphone cooperate.
In the present embodiment, groove 146 is generally curved, corresponding with the shape of microphone, can be improved good sound insulation effect
Fruit.
In the present embodiment, it is provided with clamping portion 148 on interconnecting piece 142, blocked hole 118 is provided on bracket 110, is clamped
Portion 148 and blocked hole 118 cooperate, and are fixedly mounted on interconnecting piece 142 on bracket 110.
In the present embodiment, blocked hole 118 is arranged on connecting plate 112, is clamped using clamping portion 148 and blocked hole 118
Improve the fixed effect of interconnecting piece 142 Yu connecting plate 112.
It should be noted that in the present embodiment, connecting plate 112 and interconnecting piece 142 use clamping portion 148 and blocked hole
118 mode is fixedly connected, and but not limited to this, in the other embodiments of the utility model, connecting plate 112 and interconnecting piece
142 can be fixedly connected using other modes, the scheme being equal with the present embodiment, can achieve the effect that the present embodiment,
It is within the protection scope of the present utility model.
Please continue to refer to Fig. 1, in the present embodiment, audio-frequency test component 130 includes audio-frequency test instrument 132, source speaker 134
And pick-up piece 136, source speaker 134 and pick-up piece 136 are arranged in cabinet 120；
Source speaker 134 is used to play source of sound to microphone 200；
Pick-up piece 136 is for acquiring the audio signal after 200 internal receipt to source of sound of microphone；
Whether audio-frequency test instrument 132 is used for after receiving audio signal, judge microphone 200 in self-excitation state.
In the present embodiment, source speaker 134 plays source of sound, after pick-up piece 136 acquires Mike's segmentation internal receipt to source of sound
Audio signal, whether audio-frequency test instrument 132 judge microphone 200 in self-excitation state after receiving audio signal.
In the present embodiment, pick-up piece 136 is reference microphone.
In the present embodiment, audio-frequency test instrument 132 is used for the audio width of the frequency analysis audio signal according to audio signal
Degree, comparing audio amplitude and predetermined amplitude judge that microphone 200 is in self-excitation state when audio amplitude is greater than predetermined amplitude.
In the present embodiment, predetermined amplitude refers to range value of the microphone 200 without self-excitation state when, and audio amplitude is greater than default
Indicate that microphone 200 is in self-excitation state when amplitude.
In the present embodiment, audio-frequency test instrument 132 can be Sound check audio-frequency test instrument 132, Audio
Precision audio-frequency test analyzer, MLSSA audio-frequency test instrument 132, CLIO audio-frequency test instrument 132, B&K audio-frequency test instrument
132, LMS audio-frequency test instrument 132, CRY615X audio-frequency test instrument 132 etc. related audio test equipment.
The working principle of the detection device 100 of microphone self-excitation provided in this embodiment: in the present embodiment, source speaker
134 play source of sound, and pick-up piece 136 acquires Mike and divides the audio signal after internal receipt to source of sound, and audio-frequency test instrument 132 is connecing
After receiving audio signal, comparing audio amplitude and predetermined amplitude judge microphone 200 when audio amplitude is greater than predetermined amplitude
In self-excitation state.After judging that microphone 200 is in self-excitation state at this time, make the groove 146 and microphone of blimp 140
200 microphone cooperation.Retest, such as if it is detected that microphone 200 also in self-excitation state, judges at the microphone 200
In self-excitation state.
In conclusion the detection device 100 of microphone self-excitation provided in this embodiment, in the present embodiment, bracket 110 are pacified
In cabinet 120, microphone 200 is placed on bracket 110, test suite carries out microphone 200, detects microphone
Whether 200 be in self-excitation state.In the present embodiment, device simply uses, and can reduce artificial error factor, improve Mike
The quality standard of 200 finished product detection of wind, while improving production efficiency.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of detection device of microphone self-excitation, for detecting whether microphone is in self-excitation state, which is characterized in that packet
Include: cabinet, bracket, audio-frequency test component, the bracket are mounted in the cabinet, and the bracket is for installing microphone, institute
Audio-frequency test component is stated for detecting whether the microphone is in self-excitation state.
2. the detection device of microphone self-excitation according to claim 1, which is characterized in that the bracket include connecting plate and
Fixed part, the fixed part are mounted on the connecting plate, and fixed part is for fixing the microphone.
3. the detection device of microphone self-excitation according to claim 2, which is characterized in that be provided with peace on the fixed part
Tankage, the microphone are placed in the mounting groove.
4. the detection device of microphone self-excitation according to claim 2, which is characterized in that the fixed part be two, two
A fixed part is separately positioned on the both ends of the connecting plate.
5. the detection device of microphone self-excitation according to claim 1, which is characterized in that the detection of the microphone self-excitation
Device further includes blimp, and the blimp is connect with the bracket, and the blimp is used to match with the microphone of the microphone
It closes.
6. the detection device of microphone self-excitation according to claim 5, which is characterized in that the blimp includes interconnecting piece
And auxiliary section, the interconnecting piece are connect with the bracket, the auxiliary section is used to cooperate with the microphone.
7. the detection device of microphone self-excitation according to claim 6, which is characterized in that the auxiliary section has groove,
The groove and the microphone cooperate.
8. the detection device of microphone self-excitation according to claim 6, which is characterized in that be provided with card on the interconnecting piece
Socket part is provided with blocked hole on the bracket, and the clamping portion and the blocked hole cooperate, and is fixedly mounted on the interconnecting piece
On the bracket.
9. the detection device of microphone self-excitation according to claim 1, which is characterized in that the audio-frequency test component includes
Audio-frequency test instrument, source speaker and pick-up piece, the source speaker and the pick-up piece are arranged in the cabinet；
The source speaker is used to play source of sound to the microphone；
The pick-up piece is used for the audio signal after the microphone internal receipt to the source of sound；
The audio-frequency test instrument is used for after receiving the audio signal, judges whether the microphone is in self-excitation state.
10. the detection device of microphone self-excitation according to claim 9, which is characterized in that the audio-frequency test instrument is used for
The audio amplitude of audio signal described in frequency analysis according to the audio signal, the audio amplitude and predetermined amplitude,
When the audio amplitude is greater than the predetermined amplitude, judge that the microphone is in self-excitation state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822080321.3U CN208971823U (en) | 2018-12-12 | 2018-12-12 | A kind of detection device of microphone self-excitation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822080321.3U CN208971823U (en) | 2018-12-12 | 2018-12-12 | A kind of detection device of microphone self-excitation |
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| CN208971823U true CN208971823U (en) | 2019-06-11 |
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| CN201822080321.3U Active CN208971823U (en) | 2018-12-12 | 2018-12-12 | A kind of detection device of microphone self-excitation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112866690A (en) * | 2021-01-08 | 2021-05-28 | 深圳创维－Rgb电子有限公司 | Microphone fault detection circuit, detection method and equipment thereof, and storage medium |
-
2018
- 2018-12-12 CN CN201822080321.3U patent/CN208971823U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112866690A (en) * | 2021-01-08 | 2021-05-28 | 深圳创维－Rgb电子有限公司 | Microphone fault detection circuit, detection method and equipment thereof, and storage medium |
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