CN213462193U - Magnetic traffic earphone - Google Patents
Magnetic traffic earphone Download PDFInfo
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- CN213462193U CN213462193U CN202022114848.0U CN202022114848U CN213462193U CN 213462193 U CN213462193 U CN 213462193U CN 202022114848 U CN202022114848 U CN 202022114848U CN 213462193 U CN213462193 U CN 213462193U
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Abstract
The utility model discloses a formula traffic earphone is inhaled to magnetism, including headphone bracket, first ear muff, second ear muff and external microphone, through external microphone with the magnetism of second ear muff is connected, be equipped with audio frequency change over switch circuit in the headphone circuit board, audio frequency change over switch circuit's audio input end respectively with the audio input interface connection of built-in microphone and external microphone, audio frequency change over switch circuit is used for inserting the back at external microphone, will through magnetism mode of inhaling the audio input signal of headphone circuit board switches to from built-in microphone external microphone. So, can realize external microphone access and demolish through magnetism mode, realize the conversion between telephone traffic earphone and the daily earphone to satisfy the application under two kinds of different scenes.
Description
Technical Field
The utility model relates to the technical field of earphones, especially, relate to a formula telephone traffic earphone is inhaled to magnetism.
Background
The existing telephone traffic headset is usually a special headset, a microphone extending outwards is arranged on the headset, and the microphone is usually fixedly connected with a headset main body and cannot be detached. Therefore, such headsets are typically only available as dedicated traffic headsets. Because a headset used in daily life does not usually include a microphone extending outwards, the communication quality of the headset as a telephone traffic headset is poor. Therefore, how to switch between traffic headsets and everyday headsets is achieved. To meet the application in two different scenarios, is a problem to be solved.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, an object of the utility model is to provide a formula traffic earphone is inhaled to magnetism.
For realize above-mentioned purpose, according to the utility model discloses magnetism is inhaled formula traffic earphone, magnetism is inhaled formula traffic earphone and is included:
a headset mount;
a first earmuff;
the second earmuff is internally provided with an earphone circuit board;
the external microphone is connected with the magnetism of the second earmuff, an audio switching switch circuit is arranged in the earphone circuit board, the audio input end of the audio switching circuit is connected with the audio input interfaces of the built-in microphone and the external microphone respectively, and the audio switching switch circuit is used for switching the audio input signal of the earphone circuit board to the external microphone from the built-in microphone in a magnetic suction mode after the external microphone is connected.
Further, according to an embodiment of the present invention, a first input audio connector and a second input audio connector are respectively disposed on the outer side of the external microphone;
the corresponding position of the audio input interface of the external microphone of the second earmuff is respectively provided with a third input audio connector and a fourth input audio connector, and the first input audio connector and the second input audio connector are respectively connected with the third input audio connector and the fourth input audio connector.
Further, according to an embodiment of the present invention, a battery is further disposed in the second earmuff;
the outer side of the external microphone is also respectively provided with a first power supply connector and a second power supply connector;
the external relevant position of second ear muff still is equipped with third power connector and fourth power connector respectively, first power connector, second power connector respectively with third power connector, fourth power articulate.
Further, according to an embodiment of the present invention, the audio frequency changeover switch circuit includes: the output end of the Hall change-over switch is connected with the control end of the channel selector, the first sound input end of the channel selector is connected with the audio signal input end of the built-in microphone, the second sound input end of the channel selector is connected with the audio output end of the external microphone, and the audio output end of the channel selector is connected with the audio input end of the earphone circuit board;
still be equipped with magnet in the external microphone, magnet is used for external microphone when being close to the second ear muff, will headphone circuit board audio input signal switches to external microphone.
Further, according to an embodiment of the present invention, the external microphone is a unidirectional sound receiving microphone;
the built-in microphone is an omnidirectional sound receiving microphone.
Further, according to the utility model discloses an embodiment, the headphone circuit board still includes:
a first Bluetooth chip;
the first Bluetooth chip is in wireless connection with the Bluetooth equipment through the first Bluetooth antenna.
Further, according to the utility model discloses an embodiment, the headphone circuit board still includes: and the first audio output interface is connected with the audio output end of the first Bluetooth chip through the first audio power amplifying circuit.
Further, according to the utility model discloses an embodiment, first bluetooth chip still passes through audio frequency change over switch circuit respectively with built-in microphone and external microphone are connected, in order to pass through first bluetooth chip will input audio signal transmission to bluetooth equipment.
Further, according to the utility model discloses an embodiment, still be equipped with audio input interface on the second earmuff, audio input interface passes through first circuit board with first speaker is connected to introduce audio signal through wired mode, and play through first speaker.
Further, according to the utility model discloses an embodiment, still be equipped with second headphone circuit board in the first ear muff, headphone circuit includes:
a second Bluetooth chip;
the second Bluetooth chip is in wireless connection with the Bluetooth equipment through the second Bluetooth antenna;
and the second audio output interface is connected with the audio output end of the second Bluetooth chip so as to output the signal output by the second Bluetooth chip to a second loudspeaker.
The embodiment of the utility model provides a magnetism inhale formula telephone traffic earphone through external microphone with the magnetism of second ear muff is connected, be equipped with audio frequency change over switch circuit in the headphone circuit board, audio frequency change over switch circuit's audio input end respectively with the audio input interface connection of built-in microphone and external microphone, audio frequency change over switch circuit is used for inserting the back at external microphone, will through magnetism mode of inhaling the audio input signal of headphone circuit board switches from built-in microphone extremely external microphone. So, can realize external microphone access and demolish through magnetism mode, realize the conversion between telephone traffic earphone and the daily earphone to satisfy the application under two kinds of different scenes.
Drawings
Fig. 1 is a schematic view of a magnetic type telephone traffic earphone structure provided by an embodiment of the present invention;
fig. 2 is a schematic view of an exploded structure of a magnetic-type telephone traffic earphone provided in the embodiment of the present invention;
fig. 3 is a schematic view of another exploded structure of the magnetic-type telephone traffic earphone according to the embodiment of the present invention;
fig. 4 is a schematic structural diagram of an earphone circuit board provided in an embodiment of the present invention;
fig. 5 is a schematic diagram of a first bluetooth chip and a first bluetooth antenna circuit structure provided in an embodiment of the present invention;
fig. 6 is a schematic diagram of a circuit structure of an audio frequency switch according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a first audio power amplifying circuit according to an embodiment of the present invention;
fig. 8 is a schematic diagram of an external connector circuit according to an embodiment of the present invention;
fig. 9 is a schematic diagram of a circuit structure of a built-in microphone according to an embodiment of the present invention.
Reference numerals:
a headphone mount 10;
a first earmuff 20;
a second ear cup 30;
a third input audio connector 301;
a fourth input audio connector 302;
a third power connector 303;
a fourth power connector 304;
an audio input interface 305;
an earphone circuit board 306;
the audio frequency switch circuit 3061;
a hall switch 30611;
a channel selector 30612;
a first bluetooth chip 3061;
a first bluetooth antenna 3063;
a first audio output interface 3064;
a first audio power amplification circuit 3065;
a speaker 3066;
a battery 3067;
built-in microphones 3068;
an external microphone 40;
a first input audio connector 401;
a second input audio connector 402;
a first power connector 403;
a second power connector 404;
a magnet 405.
The purpose of the present invention is to provide a novel and improved method and apparatus for operating a computer.
Detailed Description
In order to make the technical field person understand the scheme of the present invention better, the following will combine the drawings in the embodiments of the present invention to clearly and completely describe the technical scheme in the embodiments of the present invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Referring to fig. 1 to 4, the embodiment of the utility model provides a formula telephone traffic earphone is inhaled to magnetism, include: the headset comprises a headset support 10, a first ear muff 20, a second ear muff 30 and an external microphone 40, wherein an earphone circuit board 306 is arranged in the second ear muff 30; as shown in fig. 1 to 4, the earphone circuit board 306 is disposed in the second ear muff 30 to play the input audio signal through the speaker 3066, and the audio signal input by the microphone is transmitted in a manner that wired or bluetooth is unavailable, so as to realize audio transmission or recording storage, realize audio transmission, recording and audio signal playing of the telephone traffic earphone, and realize the basic functions of the telephone traffic earphone.
The external microphone 40 is magnetically connected to the second ear muff 30, an audio switch circuit 3061 is disposed in the earphone circuit board 306, an audio input end of the audio switch circuit is respectively connected to the built-in microphone 3068 and the audio input interface 305 of the external microphone 40, and the audio switch circuit 3061 is configured to switch an audio input signal of the earphone circuit board 306 from the built-in microphone 3068 to the external microphone 40 in a magnetic manner after the external microphone is connected. As shown in fig. 1 to 4, when the headphone circuit board 306 acquires the audio signal of the wearer through the microphone, the audio signal of the wearer may be acquired through the built-in microphone. However, since the built-in microphone is typically disposed at or near the headset circuit board 306 and away from the wearer's oral area. The audio signal of the wearer is dispersed and then transmitted to the built-in microphone 3068, so that the audio signal obtained by the built-in microphone 3068 may not be clear, which affects the communication quality. The embodiment of the utility model provides a switch circuit 3061 switches over the audio input signal of earphone circuit board 306 to external microphone 40 from built-in microphone 3068 after the external microphone inserts through the audio frequency. Therefore, the output audio signal of the wearer can be acquired by accessing the external microphone 40 on the basis of the existing earphone, so that the clear input and transmission of the audio signal are realized, and the conversation quality is improved.
The embodiment of the utility model provides a formula traffic earphone is inhaled to magnetism, be connected through the magnetism of external microphone 40 and second ear muff 30, be equipped with audio frequency switch circuit 3061 in the headphone circuit board 306, audio frequency switch circuit's audio input end is connected with built-in microphone 3068 and external microphone 40's audio input interface 305 respectively, audio frequency switch circuit 3061 is used for the external microphone to insert the back, switch over headphone circuit board 306's audio input signal to external microphone 40 from built-in microphone 3068. Therefore, the external microphone 40 can be connected and detached in a magnetic attraction mode, and the conversion between the telephone traffic earphone and the daily earphone is realized, so that the application under two different scenes is met.
Referring to fig. 1 to 4 and 8, a first input audio connector 401 and a second input audio connector 402 are respectively disposed at outer sides of the external microphone 40; as shown in fig. 1 to 4 and 8, the collected audio signal within the external microphone 40 may be output through the first input audio connector 401 and the second input audio connector 402.
A third input audio connector 301 and a fourth input audio connector 302 are respectively disposed at corresponding positions of an audio input interface 305 of the external microphone 40 of the second ear muff 30, and the first input audio connector 401 and the second input audio connector 402 are respectively connected to the third input audio connector 301 and the fourth input audio connector 302. As shown in fig. 1 to 4 and fig. 8, the outer side of the second ear shell 30 is provided with a mounting surface adapted to the external microphone 40, and the mounting surface is provided with a third input audio connector 301 and a fourth input audio connector 302, which are electrically connected to the first input audio connector 401 and the second input audio connector 402 through the third input audio connector 301 and the fourth input audio connector 302 respectively when the external microphone 40 is connected to the second ear shell 30 through magnetic attraction. In this manner, the audio signal output by the external microphone 40 can be introduced into the headphone circuit board 306 in the second ear cup 30. The first input audio connector 401, the second input audio connector 402, the third input audio connector 301 and the fourth input audio connector 302 are metal connectors, so that the access mode is relatively simple, and the electrical connection can be better achieved after the access, and the effective and reliable transmission of audio signals can be completed.
Referring to fig. 1 to 4 and fig. 8, the second earmuff 30 is further provided with a battery 3067; as shown in fig. 1-4 and fig. 8, the battery 3067 can provide power for electronic devices such as the earphone circuit board 306 and the audio switch circuit 3061 in the second ear cup 30. The battery 3067 may be a lithium battery 3067, such that the daily battery 3067 may be recharged through an external interface, thus eliminating the need to frequently replace the battery 3067 and facilitating the user's use.
The outer side of the external microphone 40 is also provided with a first power connector 403 and a second power connector 404 respectively; the external corresponding position of the second ear muff 30 is further provided with a third power connector 303 and a fourth power connector 304, and the first power connector 403 and the second power connector 404 are connected with the third power connector 303 and the fourth power connector 304 respectively. As shown in fig. 1 to 3, an installation surface adapted to the external microphone 40 is disposed on an outer side of the second earmuff 30, and a third power connector 303 and a fourth power connector 304 are respectively disposed on the installation surface, and are electrically connected to the first power connector 403 and the second power connector 404 through the third power connector 303 and the fourth power connector 304 respectively when the external microphone 40 is connected to the second earmuff 30 through magnetic attraction. Thus, the power supply of the battery 3067 can be led out to the external microphone 40 to supply power to the external microphone 40. The first power connector 403, the second power connector 404, the third power connector 303 and the fourth power connector 304 are metal connectors, so that the access mode is relatively simple, and the first power connector, the second power connector, the third power connector and the fourth power connector can be electrically connected well after being accessed, thereby completing the effective and reliable transmission of the power.
Referring to fig. 4 and 6, the audio frequency switching switch circuit 3061 includes: a hall switch 30611 and a channel selector 30612, an output end of the hall switch 30611 is connected with a control end of the channel selector 30612, a first sound input end of the channel selector 30612 is connected with an audio signal input end of the built-in microphone 3068, a second sound input end of the channel selector 30612 is connected with an audio output end of the external microphone 40, and an audio output end of the channel selector 30612 is connected with an audio input end of the earphone circuit board 306; the external microphone 40 is further provided with a magnet 405, and the magnet 405 is used for switching the audio input signal of the earphone circuit board 306 to the external microphone 40 when the external microphone 40 is close to the second earmuff 30. As shown in fig. 4 and 6, two input channels of the hall switch 30611 are connected with the external microphone 40 and the built-in microphone 3068, respectively, to realize switching of the two channels. When the external microphone 40 is not connected, the hall switch 30611 outputs the audio signal output by the selective built-in microphone 3068 to the earphone circuit board 306 for collecting and transmitting the audio signal. When the external microphone 40 is connected, since the magnet 405 is disposed in the external microphone 40, and the magnet 405 is close to the hall switch 30611, a channel switching signal is generated in the hall switch 30611, and an audio signal output by the selected external microphone is output to the earphone circuit board 306 for audio signal collection and transmission. In this way, switching of channels may be achieved with or without access to the add-on microphone 40. The Hall switch 30611 is adopted to realize automatic switching of the channel, and compared with a software switching method, the method has the advantages of high switching speed, high reliability, no need of complex processes such as software processing judgment and the like.
Further, in an embodiment of the present invention, the external microphone 40 is a unidirectional sound receiving microphone; because the external microphone 40 can be directly extended to the oral cavity of the wearer, the unidirectional sound receiving microphone can be used for directly collecting the audio signals output by the wearer, thereby reducing the interference of other audio signals and providing the quality of conversation.
The built-in microphone 3068 is an omni-directional sound receiving microphone. When the external microphone 40 is not connected, the internal microphone is arranged at the position far away from the oral cavity of the wearer, and the omnidirectional sound receiving microphone can be used for better acquiring the audio signal of the wearer, so that the situation that the signal cannot be acquired is avoided.
Referring to fig. 4 and 5, the headphone circuit board 306 further includes: the first bluetooth chip 3061, the first bluetooth antenna 3063 and the first audio output interface 3064, the first bluetooth chip 3061 is wirelessly connected with the bluetooth device through the first bluetooth antenna 3063; as shown in fig. 5, the first bluetooth chip 3061 is connected to a bluetooth antenna through a signal filtering circuit, so as to transmit and receive wireless signals through the first bluetooth antenna 3063, thereby realizing wireless signal connection with the audio output device.
The first audio output interface 3064 is connected to an audio output of the first bluetooth chip 3061 to output signals output by the first bluetooth chip 3061 to the first speaker 3066. As shown in fig. 5, the first bluetooth chip 3061 is provided with an SPK _ RP audio signal output terminal and an SPK _ RN audio signal output terminal, and the audio signal can be output to the first speaker 3066 in the ear cup through the SPK _ RP and SPK _ RN audio signal output terminals for directly playing sound.
Referring to fig. 7, the headphone circuit board 306 further includes: the first audio power amplification circuit 3065 and the first audio output interface 3064 are connected to an audio output terminal of the first bluetooth chip 3061 via the first audio power amplification circuit 3065. As shown in fig. 7, in another embodiment of the present invention, a first audio power amplifier circuit 3065 may be further provided, so that the audio signal output by the bluetooth chip is further amplified by the first audio power amplifier circuit 3065, and then played through a speaker 3066. The amplified audio signal is output to the speaker 3066 through the first audio interface SPK + and the second audio interface SPK-audio signal output end to be directly played.
Referring to fig. 5 and 6, the first bluetooth chip 3061 is also connected to an internal microphone 3068 and an external microphone, respectively, through an audio switch circuit 3061 to transmit an input audio signal to the bluetooth device through the first bluetooth chip 3061. As shown in fig. 5 and 6, the output voice signal of the earphone wearer is received by the built-in microphone 3068 and the external microphone, and is transmitted to an audio output device (e.g., a mobile phone, a tablet computer) or a network, etc. through the first bluetooth chip 3061, so as to realize recording or transmission of the audio signal. The audio signal is directly inputted into the first bluetooth chip 3061 after being switched by the audio switching circuit 3061. So, the bluetooth chip need not to handle two way audio signal respectively, only need handle all the way can, reduce the consumption of bluetooth chip.
Referring to fig. 1 to fig. 3, the second earmuff 30 is further provided with an audio input interface 305, and the audio input interface 305 is connected to the first speaker 3066 through the first circuit board, so as to introduce an audio signal in a wired manner and play the audio signal through the first speaker 3066. That is, in the case that the bluetooth signal is not well acquired and the bluetooth transmission is not needed, the audio signal transmission can be realized in a wired manner, and the battery 3067 in the second earmuff 30 can be charged.
Further, in an embodiment of the present invention, a second ear muff circuit board 306 is further disposed in the first ear muff 20, the ear muff circuit includes a second bluetooth chip, a second bluetooth antenna and a second audio output interface, the second bluetooth chip is wirelessly connected to the bluetooth device through the second bluetooth antenna; as shown in fig. 1 to 4, the second bluetooth chip is connected to the bluetooth antenna through the signal filtering circuit, so as to perform transceiving of wireless signals through the second bluetooth antenna, thereby implementing wireless signal connection with the audio output device.
The second audio output interface is connected to the audio output terminal of the second bluetooth chip to output the signal output by the second bluetooth chip to the second speaker 3066. As shown in fig. 4 and 5, like the first bluetooth chip 3061, the second bluetooth chip is provided with an SPK _ RP audio signal output terminal and an SPK _ RN audio signal output terminal, and the audio signal can be output to the second speaker 30664 in the first earmuff 20 through the SPK _ RP and SPK _ RN audio signal output terminals, so that the sound can be directly played through the speaker 3066, and the playing of the stereo sound is realized.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (10)
1. A magnetic traffic earphone, comprising:
a headset mount;
a first earmuff;
the second earmuff is internally provided with an earphone circuit board;
the external microphone is connected with the magnetism of the second earmuff, an audio switching switch circuit is arranged in the earphone circuit board, an audio input end of the audio switching circuit is connected with audio input interfaces of the built-in microphone and the external microphone respectively, and the audio switching switch circuit is used for switching an audio input signal of the earphone circuit board to the external microphone from the built-in microphone in a magnetic suction mode after the external microphone is connected.
2. The magnetic traffic headset according to claim 1, wherein a first input audio connector and a second input audio connector are respectively disposed on the outer side of the external microphone;
the corresponding position of the audio input interface of the external microphone of the second earmuff is respectively provided with a third input audio connector and a fourth input audio connector, and the first input audio connector and the second input audio connector are respectively connected with the third input audio connector and the fourth input audio connector.
3. The magnetic traffic headset according to claim 2, wherein a battery is further disposed in the second ear cup;
the outer side of the external microphone is also respectively provided with a first power supply connector and a second power supply connector;
the external relevant position of second ear muff still is equipped with third power connector and fourth power connector respectively, first power connector, second power connector respectively with third power connector, fourth power articulate.
4. The magnetically-attractable traffic headset of claim 2, wherein the audio toggle circuit comprises: the output end of the Hall change-over switch is connected with the control end of the channel selector, the first sound input end of the channel selector is connected with the audio signal input end of the built-in microphone, the second sound input end of the channel selector is connected with the audio output end of the external microphone, and the audio output end of the channel selector is connected with the audio input end of the earphone circuit board;
still be equipped with magnet in the external microphone, magnet is used for external microphone when being close to the second ear muff, will headphone circuit board audio input signal switches to external microphone.
5. The magnetic traffic headset of claim 1, wherein the external microphone is a unidirectional sound receiving microphone;
the built-in microphone is an omnidirectional sound receiving microphone.
6. The magnetically-attractable traffic headset of claim 1, wherein the headset circuit board comprises:
a first Bluetooth chip;
the first Bluetooth chip is in wireless connection with the Bluetooth equipment through the first Bluetooth antenna.
7. The magnetically-attractable traffic headset of claim 6, wherein the headset circuit board further comprises: and the first audio output interface is connected with the audio output end of the first Bluetooth chip through the first audio power amplifying circuit.
8. The magnetic traffic headset of claim 6, wherein the first Bluetooth chip is further connected to the built-in microphone and the external microphone through the audio switch circuit, respectively, so as to transmit an input audio signal to a Bluetooth device through the first Bluetooth chip.
9. The magnetic traffic headset according to claim 1, wherein the second earmuff is further provided with an audio input interface, and the audio input interface is connected with the first speaker through the headset circuit board so as to introduce audio signals in a wired manner and play the audio signals through the first speaker.
10. The magnetic traffic headset of claim 1, wherein a second headset circuit board is further disposed within the first ear cup, the second headset circuit board comprising:
a second Bluetooth chip;
the second Bluetooth chip is in wireless connection with the Bluetooth equipment through the second Bluetooth antenna;
and the second audio output interface is connected with the audio output end of the second Bluetooth chip so as to output the signal output by the second Bluetooth chip to a second loudspeaker.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022114848.0U CN213462193U (en) | 2020-09-23 | 2020-09-23 | Magnetic traffic earphone |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022114848.0U CN213462193U (en) | 2020-09-23 | 2020-09-23 | Magnetic traffic earphone |
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| CN213462193U true CN213462193U (en) | 2021-06-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113543008A (en) * | 2021-07-13 | 2021-10-22 | 读书郎教育科技有限公司 | External microphone detection method and device for intelligent equipment |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113543008A (en) * | 2021-07-13 | 2021-10-22 | 读书郎教育科技有限公司 | External microphone detection method and device for intelligent equipment |
| CN113543008B (en) * | 2021-07-13 | 2023-02-28 | 读书郎教育科技有限公司 | External microphone detection method and device for intelligent equipment |
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