CN216357176U - Collar-clip microphone - Google Patents
Collar-clip microphone Download PDFInfo
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- CN216357176U CN216357176U CN202122604399.2U CN202122604399U CN216357176U CN 216357176 U CN216357176 U CN 216357176U CN 202122604399 U CN202122604399 U CN 202122604399U CN 216357176 U CN216357176 U CN 216357176U
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Abstract
The utility model discloses a collar clamp microphone, which comprises a pickup circuit unit, a high-frequency filter circuit unit, a mode switching circuit unit and an output circuit unit, wherein the high-frequency filter circuit unit is respectively connected with the pickup circuit unit and the mode switching circuit unit; the pickup circuit unit is used for converting the sound signal into an electric signal; the high-frequency filter circuit unit is used for processing the electric signals; the mode switching circuit unit is used for switching modes; the output circuit unit is used for outputting audio signals. Through the neckline microphone provided by the utility model, the high-frequency filter circuit unit can process electric signals, the high-frequency interference of the mobile phone is reduced, and the recording of the neckline microphone is not interfered even if the distance between the neckline microphone and the mobile phone is very close, so that a better recording effect is achieved.
Description
Technical Field
The utility model relates to the technical field of microphones, in particular to a collar clip microphone.
Background
At present, the collar-clip microphone can be suitable for more and more occasions, and the collar-clip microphone can be preferentially selected in the recording of a plurality of fields, such as live video, interview, explanation and the like. Because the collar clamp microphone can be connected to the mobile phone, the microphone of the mobile phone can be replaced to receive sound, so that the requirement of recording in a professional occasion can be met. However, when the mobile phone is closer to the neckline microphone, the microphone generates noise due to wireless communication of the mobile phone, and the recording effect of the neckline microphone is affected.
In view of the above, there is a need to provide further improvements to the current tie-clip microphone structure.
SUMMERY OF THE UTILITY MODEL
Therefore, the present invention is directed to at least solve the above-mentioned problems, and to provide a neckband microphone.
In order to achieve the purpose, the utility model adopts a technical scheme that:
the utility model provides a collar clamp microphone which comprises a pickup circuit unit, a high-frequency filter circuit unit, a mode switching circuit unit and an output circuit unit, wherein the high-frequency filter circuit unit is respectively connected with the pickup circuit unit and the mode switching circuit unit;
the pickup circuit unit is used for converting sound signals into electric signals;
the high-frequency filter circuit unit is used for processing the electric signals;
the mode switching circuit unit is used for switching modes;
the output circuit unit is used for outputting audio signals.
Furthermore, the pickup circuit unit comprises a capacitor microphone and an audio processing circuit, and the capacitor microphone is connected with the audio processing circuit.
Furthermore, the electric capacity miaow head is the type electric capacity miaow head of qxcomm technology, the positive pole of the type electric capacity miaow head of qxcomm technology with the anodal of audio processing circuit is connected, the negative pole of the type electric capacity miaow head of qxcomm technology with the negative pole of audio processing circuit is connected.
Further, the high-frequency filter circuit unit comprises a first circuit, a second circuit and a third circuit, the second circuit is respectively connected with the first circuit and the third circuit in parallel, and the first circuit is connected with the audio processing circuit.
Further, the first circuit comprises a first capacitor, a second capacitor, a third capacitor, a fourth capacitor and an electrostatic tube, and the first capacitor, the second capacitor, the third capacitor, the fourth capacitor and the electrostatic tube are connected in parallel.
Further, the second circuit comprises a fifth capacitor and a magnetic bead, and the fifth capacitor and the magnetic bead are connected in series.
Further, the third circuit includes a sixth capacitor and an inductor, and the sixth capacitor and the inductor are connected in series.
Further, the mode switching circuit unit includes a switching circuit, the switching circuit is connected to the third circuit, and the switching circuit includes a camera connection mode and a mobile phone connection mode.
Further, the output circuit unit comprises an output circuit and a TRRS connector, the output circuit comprises a camera output circuit and a mobile phone output circuit, and the camera output circuit and the mobile phone output circuit are respectively connected with the TRRS connector.
Further, the camera connection mode is connected with the camera output circuit, and the mobile phone connection mode is connected with the mobile phone output circuit.
The utility model provides a collar clamp microphone which comprises a pickup circuit unit, a high-frequency filter circuit unit, a mode switching circuit unit and an output circuit unit, wherein the high-frequency filter circuit unit is respectively connected with the pickup circuit unit and the mode switching circuit unit; the pickup circuit unit is used for converting the sound signal into an electric signal; the high-frequency filter circuit unit is used for processing the electric signals; the mode switching circuit unit is used for switching modes; the output circuit unit is used for outputting audio signals. Through the neckline microphone provided by the utility model, the high-frequency filter circuit unit can process electric signals, the high-frequency interference of the mobile phone is reduced, and the recording of the neckline microphone is not interfered even if the distance between the neckline microphone and the mobile phone is very close, so that a better recording effect is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a neckclip microphone circuit unit according to the present invention;
fig. 2 is a circuit diagram of a high frequency filter circuit unit of a neckclip microphone according to the present invention.
The reference numbers in the figures are: the device comprises a 1-sound pickup circuit unit, a 2-high frequency filter circuit unit, a 3-mode switching circuit unit and a 4-output circuit unit.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the description of the utility model relating to "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1 and 2, the present invention provides a neckclip microphone, which includes a sound pickup circuit unit 1, a high frequency filter circuit unit 2, a mode switching circuit unit 3 and an output circuit unit 4, wherein the high frequency filter circuit unit 2 is respectively connected to the sound pickup circuit unit 1 and the mode switching circuit unit 3, and the mode switching circuit unit 3 is connected to the output circuit unit 4;
the pickup circuit unit 1 is used for converting a sound signal into an electric signal;
the high-frequency filter circuit unit 2 is used for processing the electric signals;
the mode switching circuit unit 3 is for switching modes;
the output circuit unit 4 is used to output an audio signal.
In this embodiment, the sound pickup circuit unit 1 converts an external sound signal into an electrical signal by picking up an external sound, and after filtering, transmits the electrical signal to the high frequency filter circuit unit 2, the high frequency filter circuit unit 2 processes the electrical signal transmitted from the sound pickup circuit unit 1, that is, reduces high frequency interference of the mobile phone, the high frequency filter circuit unit 2 transmits the processed electrical signal to the mode switching circuit unit 3, the mode switching circuit unit 3 is configured to select a connection mode, after the connection mode is selected by the mode switching circuit unit 3, the mode switching circuit unit is connected to an output circuit corresponding to the connection mode in the output circuit unit 4, and converts the electrical signal processed by the high frequency filter circuit unit 2 into an audio signal through the corresponding output circuit to output the audio signal.
In the present embodiment, after the sound pickup circuit unit 1 picks up an external sound signal, the external sound signal is converted into an electric signal, the electric signal is amplified accordingly, the amplified electric signal is transmitted to a high-frequency filter circuit unit 2, the high-frequency filter circuit unit 2 carries out filter processing on the received electric signal to eliminate high-frequency interference of the mobile phone, the high-frequency filter circuit unit 2 sends the processed electric signal to a mode switching circuit unit 3, the mode switching circuit unit 3 switches corresponding modes, an output circuit corresponding to the mode in the mode switching circuit unit 3 is arranged in an output circuit unit 4, after the electric signal is received by the mode switching circuit unit 3, the audio signal is directly transmitted to a corresponding output circuit in the output circuit unit 4, and the output circuit unit 4 converts the electrical signal into an audio signal and transmits the converted audio signal to an external device connected to the output circuit unit 4.
Further, the pickup circuit unit 1 includes an electric capacity microphone and an audio processing circuit, and the electric capacity microphone is connected with the audio processing circuit.
In this embodiment, the capacitance microphone is configured to pick up external sound, the audio processing circuit is configured to convert the recorded sound signal into an electrical signal, and then amplify the electrical signal, the capacitance microphone transmits the picked-up external sound to the audio processing circuit, and the audio processing circuit converts the received sound signal into an electrical signal and amplifies the electrical signal.
Furthermore, the capacitance microphone is an omnidirectional capacitance microphone, the anode of the omnidirectional capacitance microphone is connected with the anode of the audio processing circuit, and the cathode of the omnidirectional capacitance microphone is connected with the cathode of the audio processing circuit.
In this embodiment, the omnidirectional type condenser microphone is adopted as the condenser microphone, because the omnidirectional type condenser microphone does not distinguish pickup directions, surrounding sounds are picked up indiscriminately, the omnidirectional type condenser microphone is sensitive, the recorded sounds are more exquisite and comprehensive, the frequency band of the recorded sounds is 20Hz-20KHz, and the specific type of the condenser microphone is not limited herein; and the omnidirectional type capacitor microphone is respectively connected with the M + and the M-of the circuit through the anode and the cathode of the omnidirectional type capacitor microphone, and then transmits the collected sound signals to the audio processing circuit.
Further, the high frequency filter circuit unit 2 includes a first circuit, a second circuit, and a third circuit, the second circuit is connected in parallel with the first circuit and the third circuit, respectively, and the first circuit is connected with the audio processing circuit.
In this embodiment, the high frequency filter circuit unit 2 includes three parallel circuits, the high frequency filter circuit unit 2 is connected to the sound pickup circuit unit 1 and the mode switching circuit unit 3, respectively, the high frequency filter circuit unit 2 processes the electrical signal transmitted by the sound pickup circuit unit 1, the first circuit in the high frequency filter circuit unit 2 is connected to the audio processing circuit in the sound pickup circuit unit 1, the audio processing circuit converts the received sound signal into an electrical signal, amplifies the electrical signal and transmits the electrical signal to the first circuit of the high frequency filter circuit unit 2, the high frequency filter circuit unit 2 processes the electrical signal transmitted by the sound pickup circuit unit 1 through the three parallel circuits and transmits the processed electrical signal to the mode switching circuit unit 3, the high frequency filter circuit unit plays a role of high frequency removal and high frequency interference to the mobile phone, the high-frequency filter circuit unit 2 reduces it to cancel by three parallel circuits, preventing transmission to the terminal device.
Further, the first circuit comprises a first capacitor C1, a second capacitor C2, a third capacitor C3, a fourth capacitor C4 and an electrostatic discharge (ESD), and the first capacitor C1, the second capacitor C2, the third capacitor C3, the fourth capacitor C4 and the electrostatic discharge (ESD) are connected in parallel.
In the present embodiment, the first capacitor C1, the second capacitor C2, the third capacitor C3, the fourth capacitor C4 and the electrostatic discharge tube ESD are all connected in parallel, and the main function of the electrostatic discharge tube ESD is to prevent static electricity.
Further, the second circuit comprises a fifth capacitor C5 and a magnetic bead BF, the fifth capacitor C5 and the magnetic bead BF being connected in series.
In this embodiment, fifth electric capacity C5 and magnetic bead BF series connection, the high frequency energy in the magnetic bead BF consumption current has promoted the high frequency filtering effect, can not reduce output voltage again.
Further, the third circuit comprises a sixth capacitor C6 and an inductor L, the sixth capacitor C6 and the inductor L being connected in series.
In this embodiment, the sixth capacitor C6 is connected in series with the inductor L, and then the sixth capacitor C6 and the inductor L which are connected in series are connected in parallel to the high-frequency filter circuit unit 2.
Further, the mode switching circuit unit 3 includes a switching circuit, which is connected to the third circuit, and includes a camera connection mode and a cellular phone connection mode.
In the present embodiment, the mode switching circuit unit 3 includes a switching circuit, the switching circuit is connected to a third circuit in the high-frequency filter circuit unit 2, and the high-frequency filter circuit unit 2 processes the electrical signal transmitted from the sound pickup circuit unit 1 through three parallel circuits and transmits the processed electrical signal to the switching circuit of the mode switching circuit unit 3 through the third circuit.
In this embodiment, the switching circuit includes a camera connection mode and a mobile phone connection mode, the switching circuit can select a switching position to be the camera connection mode or the mobile phone connection mode, the camera connection mode is used for connecting the camera, the mobile phone connection mode is used for connecting the mobile phone, and the switching circuit is used for selecting the camera connection mode or the mobile phone connection mode.
Further, the output circuit unit 4 includes an output circuit and a TRRS connector, the output circuit includes a camera output circuit and a mobile phone output circuit, and the camera output circuit and the mobile phone output circuit are respectively connected with the TRRS connector.
In this embodiment, the output circuit unit 4 is configured to output a signal, the output circuit unit 4 includes an output circuit and a connector, in this embodiment, a TRRS connector is adopted, a specific type of the connector is not limited herein, the output circuit includes a camera output circuit and a mobile phone output circuit, the camera output circuit and the mobile phone output circuit are respectively connected with the TRRS connector, different circuits are provided for different joint definitions of the TRRS connector, an audio signal output by the camera output circuit is a camera line sequence and cannot be connected with a mobile phone for transmission, and an audio signal output by the mobile phone output circuit is a mobile phone line sequence and can only be connected with a mobile phone for transmission and cannot be connected with a camera; the output circuit unit 4 converts the received electric signal into an audio signal, and transmits the audio signal to an external device connected to the output circuit unit 4.
Furthermore, the camera connection mode is connected with the camera output circuit, and the mobile phone connection mode is connected with the mobile phone output circuit.
In this embodiment, the camera connection mode can only be connected to the camera output circuit, the camera output circuit cannot be connected to the mobile phone, the mobile phone connection mode can only be connected to the mobile phone output circuit, and the audio signal output by the mobile phone output circuit is in a mobile phone line sequence, and only can be connected to the mobile phone for transmission. After the switching circuit in the mode switching circuit unit 3 selects a camera connection mode, the electric signal processed by the high-frequency filter circuit unit 2 is directly transmitted to a camera output circuit; after the switching circuit in the mode switching circuit unit 3 selects the mobile phone connection mode, the electric signal processed by the high-frequency filter circuit unit 2 is directly transmitted to the mobile phone output circuit.
The utility model provides a collar clamp microphone which comprises a pickup circuit unit, a high-frequency filter circuit unit, a mode switching circuit unit and an output circuit unit, wherein the high-frequency filter circuit unit is respectively connected with the pickup circuit unit and the mode switching circuit unit; the pickup circuit unit is used for converting the sound signal into an electric signal; the high-frequency filter circuit unit is used for processing the electric signals; the mode switching circuit unit is used for switching modes; the output circuit unit is used for outputting audio signals. Through the neckline microphone provided by the utility model, the high-frequency filter circuit unit can process electric signals, the high-frequency interference of the mobile phone is reduced, and the recording of the neckline microphone is not interfered even if the distance between the neckline microphone and the mobile phone is very close, so that a better recording effect is achieved.
It should be noted that, in the summary of the present invention, each embodiment is described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.
It is further noted that, in the present disclosure, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined in this disclosure may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A collar clamp microphone is characterized by comprising a pickup circuit unit, a high-frequency filter circuit unit, a mode switching circuit unit and an output circuit unit, wherein the high-frequency filter circuit unit is respectively connected with the pickup circuit unit and the mode switching circuit unit, and the mode switching circuit unit is connected with the output circuit unit;
the pickup circuit unit is used for converting sound signals into electric signals;
the high-frequency filter circuit unit is used for processing the electric signals;
the mode switching circuit unit is used for switching modes;
the output circuit unit is used for outputting audio signals.
2. The collar clamp microphone as claimed in claim 1, wherein the pickup circuit unit includes a capacitive microphone and an audio processing circuit, the capacitive microphone being connected to the audio processing circuit.
3. The collar clamp microphone as claimed in claim 2, wherein the capacitive microphone is an omnidirectional capacitive microphone, an anode of the omnidirectional capacitive microphone is connected to an anode of the audio processing circuit, and a cathode of the omnidirectional capacitive microphone is connected to a cathode of the audio processing circuit.
4. The neckclip microphone according to claim 3, wherein the high frequency filter circuit unit comprises a first circuit, a second circuit and a third circuit, the second circuit is connected in parallel with the first circuit and the third circuit respectively, and the first circuit is connected with the audio processing circuit.
5. The tie-clip microphone of claim 4, wherein the first circuit comprises a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, and an electrostatic tube, the first capacitor, the second capacitor, the third capacitor, the fourth capacitor, and the electrostatic tube being connected in parallel.
6. The collar clamp microphone of claim 4, wherein the second circuit comprises a fifth capacitor and a magnetic bead, the fifth capacitor and the magnetic bead being connected in series.
7. The tie clip microphone of claim 4, wherein the third circuit comprises a sixth capacitor and an inductor, the sixth capacitor and the inductor being connected in series.
8. The neckclip microphone of claim 4, wherein the mode switching circuit unit comprises a switching circuit, the switching circuit is connected with the third circuit, and the switching circuit comprises a camera connection mode and a cellular phone connection mode.
9. The neckclip microphone according to claim 8, wherein the output circuit unit comprises an output circuit and a TRRS connector, the output circuit comprises a camera output circuit and a mobile phone output circuit, and the camera output circuit and the mobile phone output circuit are respectively connected with the TRRS connector.
10. The neckclip microphone of claim 9, wherein the camera connection mode is connected to the camera output circuitry and the cell phone connection mode is connected to the cell phone output circuitry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122604399.2U CN216357176U (en) | 2021-10-27 | 2021-10-27 | Collar-clip microphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122604399.2U CN216357176U (en) | 2021-10-27 | 2021-10-27 | Collar-clip microphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216357176U true CN216357176U (en) | 2022-04-19 |
Family
ID=81129930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122604399.2U Active CN216357176U (en) | 2021-10-27 | 2021-10-27 | Collar-clip microphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216357176U (en) |
-
2021
- 2021-10-27 CN CN202122604399.2U patent/CN216357176U/en active Active
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