CN209184804U - A kind of jamproof transaudient microphone - Google Patents
A kind of jamproof transaudient microphone Download PDFInfo
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- CN209184804U CN209184804U CN201822277794.2U CN201822277794U CN209184804U CN 209184804 U CN209184804 U CN 209184804U CN 201822277794 U CN201822277794 U CN 201822277794U CN 209184804 U CN209184804 U CN 209184804U
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- conductive needle
- pole plate
- jamproof
- microphone
- pcb board
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Abstract
The utility model provides a kind of jamproof transaudient microphone, including vibrating diaphragm, pole plate, conductive needle, pcb board and field-effect tube, the pole plate is fixed on the vibrating diaphragm, one pole of the pole plate is electrically connected to the vibrating diaphragm, the one end of the conductive needle is fixed on the pole plate and is electrically connected to another pole of the pole plate, the pcb board electrical connection and the other end for being fixed on the conductive needle, the pcb board and the pole plate are oppositely arranged, the field-effect tube is connected electrically on the pcb board, the grid of the field-effect tube is connected to the other end of the conductive needle, the sound transmission effect that transaudient microphone is improved under high-frequency interferencing signal environment is achieved the purpose that.
Description
Technical field
The utility model belongs to mike technique field, is to be related to a kind of jamproof transaudient microphone more specifically.
Background technique
As shown in Figure 1, existing microphone includes vibrating diaphragm 1, pole plate 2, copper ring 8, plastic hoop 7, pcb board 4 and field-effect
Pipe 5.The side of pole plate 2 is fixed on vibrating diaphragm 1, and copper ring 8 and plastic hoop 7 are each attached to the other side of pole plate 2, copper ring 8 and plastics
Ring 7 one opening towards pole plate 2, plastic hoop 7 is located on copper ring 8, and pcb board 4 is fixed on copper ring 8 and plastic hoop 7, pcb board 4 with
Pole plate 2 is oppositely arranged, and field-effect tube 5 is connected electrically on pcb board 4, and field-effect tube 5 is located in copper ring 8.External sound passes through vibration
The vibration of film 1, the inside of vibrating diaphragm 1 generate corresponding electric signal and are transmitted to pole plate 2, and electric signal is conducted to by pole plate 2 by copper ring 8
The gate input of field-effect tube 5 on pcb board 4 amplifies the conversion that acoustoelectric signal is completed in output through field-effect tube 5.
When microphone is in high-frequency sound environment, high-frequency interferencing signal forms high-frequency signal by vibrating diaphragm 1.Since field is imitated
Should pipe 5 be in the encirclement of copper ring 8, copper ring 8 for high-frequency signal have coil antenna effect, be equivalent to one externally receive,
The high-frequency interferencing signal dual-mode antenna internally radiated is formed so that high-frequency interferencing signal is amplified and exported by field-effect tube 5
High-frequency Interference noise influences the sound transmission effect of microphone.
Utility model content
The purpose of this utility model is to provide a kind of jamproof transaudient microphones, to solve copper existing in the prior art
Ring has coil antenna effect for high-frequency signal, is equivalent to the high-frequency interferencing signal for externally receiving, internally radiating
Dual-mode antenna influences the biography of microphone so that field-effect tube amplifies high-frequency interferencing signal and output forms High-frequency Interference noise
The technical issues of sound effective value.
In order to achieve the above purposes, the technical solution adopted by the utility model is: provides a kind of jamproof transaudient microphone, packet
Vibrating diaphragm, pole plate, conductive needle, pcb board and field-effect tube are included, the pole plate is fixed on the vibrating diaphragm, a pole of the pole plate
It is electrically connected to the vibrating diaphragm, the one end of the conductive needle is fixed on the pole plate and is electrically connected to the another of the pole plate
Pole, the pcb board electrical connection and the other end for being fixed on the conductive needle, the pcb board and the pole plate are oppositely arranged, described
Field-effect tube is connected electrically on the pcb board, and the grid of the field-effect tube is connected to the other end of the conductive needle.
It further, further include connector, the conductive needle is fixed on the connector, and the connector is fixed on institute
It states between pole plate and the pcb board.
Further, the connector is annular in shape.
Further, the connector is plastic part.
Further, the plastic part is coated on the conductive needle, and the both ends of the conductive needle extend to the plastic part
Outside.
Further, the conductive needle and plastic part injection molding connection.
Further, the conductive needle is provided with several, several described conductive needles along the connector circumference
Direction setting.
Further, the conductive needle is arranged there are four and is placed equidistant with.
Further, the field-effect tube is located in the toroidal cavity of the connector.
The beneficial effect of the jamproof transaudient microphone of one kind provided by the utility model is: compared with prior art, this
Utility model replaces copper ring conductive needle.When the microphone is in High-frequency Interference noise circumstance, due to the volume of conductive needle
It is smaller, so the High-frequency Interference noise that conductive needle senses is smaller, can be ignored completely.People's one's voice in speech passes through vibration
Vibration of membrane forms electric signal, and electric signal is transmitted to conductive needle by pole plate, and electric signal is transported to field-effect tube again by conductive needle
Grid, field-effect tube by electric signal amplify export, complete the conversion of sound and electric signal.Conductive needle not only ensure that sound
With the normal conversion of electric signal, influence of the High-frequency Interference noise to microphone is impaired, improves the anti-interference energy of transaudient microphone
Power improves the signal-to-noise ratio of transaudient microphone.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural representation of the prior art of the jamproof transaudient microphone of one kind provided by the embodiment of the utility model
Figure；
Fig. 2 is the structural schematic diagram one of the jamproof transaudient microphone of one kind provided by the embodiment of the utility model；
Fig. 3 is the partial structure diagram two of the jamproof transaudient microphone of one kind provided by the embodiment of the utility model.
Wherein, each appended drawing reference in figure:
1, vibrating diaphragm；2, pole plate；3, conductive needle；4, pcb board；5, field-effect tube；6, connector；7, plastic hoop；8, copper ring.
Specific embodiment
In order to which technical problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, with
Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or indirectly on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is that orientation based on the figure or position are closed
System, is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
Please refer to figs. 2 and 3 together, is now illustrated to the jamproof transaudient microphone of one kind provided by the utility model.
A kind of jamproof transaudient microphone, including vibrating diaphragm 1, pole plate 2, conductive needle 3, pcb board 4 and field-effect tube 5, pole plate 2 are fixed on
On vibrating diaphragm 1, a pole of pole plate 2 is electrically connected to vibrating diaphragm 1, and the one end of conductive needle 3 is fixed on pole plate 2 and is electrically connected to pole plate 2
Another pole, pcb board 4 is electrically connected and is fixed on the other end of conductive needle 3, and pcb board 4 and pole plate 2 are oppositely arranged, field-effect tube 5
It is connected electrically on pcb board 4, the grid of field-effect tube 5 is connected to the other end of conductive needle 3.
The jamproof transaudient microphone of one kind provided by the utility model, compared with prior art, by the conductive needle 3 of copper ring 8
Replace.When the microphone is in High-frequency Interference noise circumstance, due to the small volume of conductive needle 3, so conductive needle 3 senses
High-frequency Interference noise it is smaller, can be ignored completely.People's one's voice in speech forms electric signal by the vibration of vibrating diaphragm 1,
Electric signal is transmitted to conductive needle 3 by pole plate 2, and electric signal is transported to the grid of field-effect tube 5, field-effect tube 5 by conductive needle 3 again
Electric signal is amplified and is exported, the conversion of sound and electric signal is completed.Conductive needle 3 not only ensure that the normal of sound and electric signal
Conversion, impairs influence of the High-frequency Interference noise to microphone, improves the anti-interference ability of transaudient microphone, improve transaudient miaow
The signal-to-noise ratio of head.
Further, please refer to figs. 2 and 3 together, as the jamproof transaudient microphone of one kind provided by the utility model
A kind of specific embodiment, further include connector 6, conductive needle 3 is fixed on connector 6, and connector 6 is fixed on 2 He of pole plate
Between pcb board 4.
Connector 6 is fixed between pole plate 2 and pcb board 4, is played together with being stably connected with pole plate 2 with pcb board 4, is protected
The stability that the transaudient microphone uses is demonstrate,proved.Conductive needle 3 is connected on connector 6, is stably connected with conductive needle 3 in 2 He of pole plate
Between pcb board 4, it ensure that conductive needle 3 conducts the stability of electric signal.
Further, please refer to figs. 2 and 3 together, as the jamproof transaudient microphone of one kind provided by the utility model
A kind of specific embodiment, connector 6 is annular in shape.
Connector 6 not only acts as the effect for being stably connected with pole plate 2 and pcb board 4, and circular connector 6 is fabricated to
Sheet is low, saves material, is very useful
Further, please refer to figs. 2 and 3 together, as the jamproof transaudient microphone of one kind provided by the utility model
A kind of specific embodiment, connector 6 be plastic part.
When using the microphone, if the microphone receives collision or the effect of external force, since plastic part has certain bullet
Property, plastic part offsets partial pressure or external force, the microphone are not easy to be destroyed.Plastic part it is light-weight, so that it is transaudient to reduce this
The use weight of microphone improves the comfort of the microphone used.
Further, please refer to figs. 2 and 3 together, as the jamproof transaudient microphone of one kind provided by the utility model
A kind of specific embodiment, plastic part is coated on conductive needle 3, and the both ends of conductive needle 3 extend to outside plastic part.
Conductive needle 3 is partially located in plastic part, and plastic part plays the role of protecting conductive needle 3, reduces outer bound pair conduction
The influence of needle 3 ensure that the stability that conductive needle 3 uses.Plastic part reduces the area that conductive needle 3 is directly contacted with air,
To which conductive needle 3 reduces high-frequency interferencing signal to reception, to further improve the anti-interference ability of conductive needle 3.
Further, please refer to figs. 2 and 3 together, as the jamproof transaudient microphone of one kind provided by the utility model
A kind of specific embodiment, conductive needle 3 and plastic part injection molding connection.
Conductive needle 3 is stably connected in plastic part, and conductive needle 3 is not easy to pull out from plastic part, conductive needle 3 and plastic part
Connection be not easy to be destroyed.Conductive needle 3 and plastic part injection molding connection are realized by mold, improve the production efficiency of the microphone.
Further, please refer to figs. 2 and 3 together, as the jamproof transaudient microphone of one kind provided by the utility model
A kind of specific embodiment, conductive needle 3 is provided with several, several conductive needles 3 are set along the circumferencial direction of connector 6
It sets.
The quantity for increasing conductive needle 3, improves the microphone electric signal transmission speed.Several conductive needles 3 are along connector 6
Circumferencial direction setting, makes conductive needle 3 make full use of the area on connector 6, convenient for several biographies being fixed on connector 6
Guide pin 3 is managed and checks.
Further, please refer to figs. 2 and 3 together, as the jamproof transaudient microphone of one kind provided by the utility model
A kind of specific embodiment, conductive needle 3 setting there are four and be placed equidistant with.
Adjacent connection needle is placed equidistant with, and makes four to be uniformly arranged on plastic part；When the plastic part and conductive needle 3 are connected to
When between pole plate 2 and pcb board 4, plastic part and conductive needle 3, which can be stablized, supports pole plate 2 and pcb board 4, guarantees that the microphone uses
Stability.
Further, please refer to figs. 2 and 3 together, as the jamproof transaudient microphone of one kind provided by the utility model
A kind of specific embodiment, field-effect tube 5 is located in the toroidal cavity of connector 6.
The ring part of connector 6 plays the role of that high-frequency interferencing signal is isolated, and makes in the ring part of connector 6
Field-effect tube 5 is not easily accepted by the effect of high-frequency interferencing signal.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (9)
1. a kind of jamproof transaudient microphone, which is characterized in that including vibrating diaphragm, pole plate, conductive needle, pcb board and field-effect tube,
The pole plate is fixed on the vibrating diaphragm, and a pole of the pole plate is electrically connected to the vibrating diaphragm, and the one end of the conductive needle is solid
It is scheduled on the pole plate and is electrically connected to another pole of the pole plate, the pcb board is electrically connected and is fixed on the conductive needle
The other end, the pcb board and the pole plate are oppositely arranged, and the field-effect tube is connected electrically on the pcb board, the field-effect
The grid of pipe is connected to the other end of the conductive needle.
2. a kind of jamproof transaudient microphone as described in claim 1, which is characterized in that it further include connector, the conduction
Needle is fixed on the connector, and the connector is fixed between the pole plate and the pcb board.
3. a kind of jamproof transaudient microphone as claimed in claim 2, which is characterized in that the connector is annular in shape.
4. a kind of jamproof transaudient microphone as claimed in claim 3, which is characterized in that the connector is plastic part.
5. a kind of jamproof transaudient microphone as claimed in claim 4, which is characterized in that the plastic part is coated on the biography
Guide pin, the both ends of the conductive needle extend to outside the plastic part.
6. a kind of jamproof transaudient microphone as claimed in claim 5, which is characterized in that the conductive needle and the plastic part
Injection molding connection.
7. a kind of jamproof transaudient microphone as claimed in claim 4, which is characterized in that the conductive needle is provided with several
A, several described conductive needles are arranged along the circumferencial direction of the connector.
8. jamproof transaudient microphone as claimed in claim 7 a kind of, which is characterized in that the conductive needle setting there are four and
It is placed equidistant with.
9. a kind of jamproof transaudient microphone as claimed in claim 3, which is characterized in that the field-effect tube is located at the company
In the toroidal cavity of fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822277794.2U CN209184804U (en) | 2018-12-29 | 2018-12-29 | A kind of jamproof transaudient microphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822277794.2U CN209184804U (en) | 2018-12-29 | 2018-12-29 | A kind of jamproof transaudient microphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209184804U true CN209184804U (en) | 2019-07-30 |
Family
ID=67378377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822277794.2U Active CN209184804U (en) | 2018-12-29 | 2018-12-29 | A kind of jamproof transaudient microphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209184804U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113873376A (en) * | 2021-10-27 | 2021-12-31 | 深圳市爱林瑞电子有限公司 | Anti-interference microphone |
-
2018
- 2018-12-29 CN CN201822277794.2U patent/CN209184804U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113873376A (en) * | 2021-10-27 | 2021-12-31 | 深圳市爱林瑞电子有限公司 | Anti-interference microphone |
| CN113873376B (en) * | 2021-10-27 | 2023-07-28 | 恩平市晋升音频有限公司 | Anti-interference microphone |
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