CN216565548U - Voice recognition Bluetooth communication ear shield body - Google Patents
Voice recognition Bluetooth communication ear shield body Download PDFInfo
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- CN216565548U CN216565548U CN202122868475.0U CN202122868475U CN216565548U CN 216565548 U CN216565548 U CN 216565548U CN 202122868475 U CN202122868475 U CN 202122868475U CN 216565548 U CN216565548 U CN 216565548U
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- ear muff
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The utility model provides a speech recognition bluetooth conversation ear muff body, includes: the ear muff body, set up respectively in this internal a pair of speaker of both sides ear muff, set up in this internal total circuit board of one side ear muff and set up microphone, speech recognition circuit, bluetooth audio circuit, power supply circuit and master control circuit on total circuit board, wherein: the main control circuit is respectively connected with the microphone, the voice recognition circuit, the Bluetooth audio circuit, the power circuit and the pair of loudspeakers. This device realizes the voice call function under noisy environment, enlarges the range of application of ear muff body. The Bluetooth communication distance is long, the penetrability is strong, the communication distance is 10-100 meters, the working frequency is 2.4GHz, the communication between the devices can be successfully and effectively simplified, and the rapid, flexible, safe and low-power-consumption data communication between the devices can be realized. Through voice awakening and voice recognition, the use is convenient and fast.
Description
Technical Field
The utility model relates to the technology in the field of earmuff bodies, in particular to a voice recognition Bluetooth communication earmuff body.
Background
The sound insulation earmuffs are often used for reducing the working noise of large-scale equipment, but the normal conversation of field workers can not be communicated in time when the earmuffs are worn and the field workers are blocked. The common Bluetooth headset cannot effectively reduce working noise when being worn, and the hearing of workers is protected from being damaged. The handheld intercom device has a single function and cannot meet the requirements of certain specific occasions.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides the voice recognition Bluetooth communication earmuff body, which realizes the voice communication function in a noisy environment and enlarges the application range of the earmuff body. The Bluetooth communication distance is long, the penetrability is strong, the communication distance is 10-100 meters, the working frequency is 2.4GHz, the communication between the devices can be successfully and effectively simplified, and the rapid, flexible, safe and low-power-consumption data communication between the devices can be realized. Through voice awakening and voice recognition, the use is convenient and fast.
The utility model is realized by the following technical scheme:
the utility model relates to a voice recognition Bluetooth communication earmuff body, which comprises: the ear muff body, set up respectively in this internal a pair of speaker of both sides ear muff, set up in this internal total circuit board of one side ear muff and set up microphone, speech recognition circuit, bluetooth audio circuit, power supply circuit and master control circuit on total circuit board, wherein: the main control circuit is respectively connected with the microphone, the voice recognition circuit, the Bluetooth audio circuit, the power circuit and the pair of loudspeakers.
The earmuff body is a high polymer shell, the inner liner of the earmuff body is a rubber layer, and the size of the earmuff body is set to be the size of the covered ears.
Total circuit board on further be equipped with switch, the interface that charges that links to each other with master control circuit, connect the button, the volume adds button and volume subtract the button, the side that corresponds the earmuff body is equipped with the switch key, the volume adds the reduction key, there is the power interface that charges in the bottom, there is the pronunciation input port in the interface side that charges.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: the ear muff comprises a Bluetooth audio circuit 1, a circuit board 2, a loudspeaker lead 3, an ear muff body 4, a main control circuit 5, a voice recognition circuit 6, a power circuit 7, a power switch 8, a microphone 9, a loudspeaker 10, a charging interface 11, a connecting button 12, a volume adding button 13 and a volume reducing button 14;
FIG. 2 is a schematic diagram of a speech recognition circuit;
FIG. 3 is a schematic diagram of a level shift circuit;
FIGS. 4 and 5 are schematic diagrams of Bluetooth audio circuitry;
FIG. 6 is a schematic diagram of a power supply circuit;
Detailed Description
As shown in fig. 1, a speech recognition bluetooth conversation ear muff body that this embodiment relates to includes: the method comprises the following steps: earmuff body 4, set up a pair of speaker 10 in both sides earmuff body 4 respectively, set up total circuit board 2 in one side earmuff body 4 and set up microphone 9, speech recognition circuit 6, bluetooth audio circuit 1, power circuit 7 and main control circuit 5 on total circuit board 2, wherein: the main control circuit 5 is connected with a microphone 9, a voice recognition circuit 6, a Bluetooth audio circuit 1, a power circuit 7, and left and right speakers 10a, 10b, respectively.
The earmuff body 4 is a high polymer shell, the inner liner of the earmuff body is a rubber layer, and the size of the earmuff body is set to be the size of covering human ears.
As shown in fig. 2, the voice recognition circuit 6 includes a voice recognition chip 601, and the voice recognition chip is respectively connected to the main control circuit 5, the bluetooth audio circuit 1, the power circuit 7, the microphone 9, and the left speaker 10 a.
The voice recognition chip 601 is implemented by, but not limited to, SNR 9816.
As shown in fig. 2 and fig. 3, the voice recognition chip 601 is further connected to the level shift circuit 16 shown in fig. 3 through the serial port 15, and the level shift circuit 16 converts the 3.3V level signal from the serial port 15 of the voice recognition chip 601 into a 5V level signal, i.e., a communication level of the main control circuit 5, and outputs the 5V level signal to the main control circuit 5 to implement bidirectional communication between the voice recognition chip and the main control circuit.
As shown in fig. 4, the bluetooth audio circuit 1 includes: bluetooth audio frequency chip 101 and audio power amplifier chip 102, 103, wherein: the first and second audio power amplification chips 102, 103 are connected to the left and right speakers 10a, 10b, respectively.
And a decoupling capacitor C10 is arranged outside the Bluetooth audio chip 101.
The Bluetooth audio chip 101 is implemented by using but not limited to XY-MBA 707A.
As shown in fig. 5, the power supply circuit 7 includes: the linear regulator 701 for a lithium battery outputs a 3V voltage based on a 5V input voltage.
The linear regulator 701 is implemented by, but not limited to, LN1134a332 MR.
This device is through opening power key starting drive, and the earphone body passes through the bluetooth and links to each other with the earphone of conversation object, realizes point-to-point conversation, and speech processing circuit can discern the voice command, operates earflap volume, connection object through master control circuit, and convenient and fast that the use is got up.
The foregoing embodiments may be modified in many different ways by those skilled in the art without departing from the spirit and scope of the utility model, which is defined by the appended claims and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (7)
1. The utility model provides a speech recognition bluetooth conversation ear muff body which characterized in that includes: the ear muff body, set up respectively in this internal a pair of speaker of both sides ear muff, set up in this internal total circuit board of one side ear muff and set up microphone, speech recognition circuit, bluetooth audio circuit, power supply circuit and master control circuit on total circuit board, wherein: the main control circuit is respectively connected with the microphone, the voice recognition circuit, the Bluetooth audio circuit, the power circuit and the pair of loudspeakers.
2. The voice recognition Bluetooth communication earmuff body as claimed in claim 1, wherein the earmuff body is a polymer shell with a rubber layer as an inner liner, and the body is sized to cover human ears.
3. The ear muff body for voice recognition Bluetooth communication according to claim 1, wherein the main circuit board is further provided with a power switch, a charging interface, a connection button, a volume adding button and a volume reducing button which are connected with the main control circuit, the side surface corresponding to the ear muff body is provided with a power switch key, a volume adding button and a volume reducing button, the bottom of the ear muff body is provided with a power charging interface, and the side surface of the charging interface is provided with a voice input port.
4. The ear muff body for voice recognition Bluetooth communication according to claim 1, wherein the voice recognition circuit comprises a voice recognition chip, and the voice recognition chip is connected with the main control circuit, the Bluetooth audio circuit, the power circuit, the microphone and the speaker respectively.
5. The ear muff body for voice recognition Bluetooth communication according to claim 4, wherein the voice recognition chip is further connected with a level shift circuit through a serial port, and an output end of the level shift circuit is connected with the main control circuit to realize bidirectional communication between the voice recognition chip and the main control circuit.
6. The voice recognition bluetooth communication ear muff body as claimed in claim 1, wherein the bluetooth audio circuit comprises: bluetooth audio frequency chip and power amplifier chip, wherein: the first and second power amplification chips are respectively connected with the left and right loudspeakers.
7. The voice recognition bluetooth communication ear muff body as claimed in claim 1, wherein the power circuit comprises: the linear voltage stabilizer special for the lithium battery outputs voltage based on input voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122868475.0U CN216565548U (en) | 2021-11-22 | 2021-11-22 | Voice recognition Bluetooth communication ear shield body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122868475.0U CN216565548U (en) | 2021-11-22 | 2021-11-22 | Voice recognition Bluetooth communication ear shield body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216565548U true CN216565548U (en) | 2022-05-17 |
Family
ID=81577080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122868475.0U Active CN216565548U (en) | 2021-11-22 | 2021-11-22 | Voice recognition Bluetooth communication ear shield body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216565548U (en) |
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2021
- 2021-11-22 CN CN202122868475.0U patent/CN216565548U/en active Active
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