CN211606768U - Bluetooth earphone - Google Patents

Bluetooth earphone Download PDF

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Publication number
CN211606768U
CN211606768U CN202020430916.1U CN202020430916U CN211606768U CN 211606768 U CN211606768 U CN 211606768U CN 202020430916 U CN202020430916 U CN 202020430916U CN 211606768 U CN211606768 U CN 211606768U
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socket
earphone body
electrically connected
plug
headset
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CN202020430916.1U
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Chinese (zh)
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李卫国
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Goertek Techology Co Ltd
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Goertek Techology Co Ltd
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Abstract

The utility model discloses a bluetooth headset relates to intelligent electronic product field, including left earphone body, right earphone body, charging wire and switching unit, the end connection of charging wire has left socket, right socket and plug. During the use, left socket is connected through the grafting electricity with left earphone body, right socket is connected through the grafting electricity with right earphone body, the plug is connected through the grafting electricity with terminal equipment, when the switching unit does not move, terminal equipment charges for left earphone body and right earphone body through the charging wire, switching state when the switching unit moves, terminal equipment passes through the left audio signal of charging wire transmission and gives left earphone body, the right earphone body is given in the transmission right audio signal, the earphone gets into low power consumption state, the earphone only plays the audio frequency that is come by terminal equipment transmission. It can be seen that the utility model discloses usable charging wire converts wired earphone to, can broadcast the audio frequency by terminal equipment transmission, can charge by terminal equipment, possesses wired earphone's advantage, promotes the user body and feels.

Description

Bluetooth earphone
Technical Field
The utility model relates to an intelligence electronic product technical field especially relates to a bluetooth headset.
Background
At present, earphones are divided into wired earphones and wireless earphones, and the two earphones have the advantages respectively and can meet different use requirements. Generally, wireless earphones are charged by using a charging box, so that the wireless earphones cannot meet the use requirements of people and are short of the advantages of wired earphones.
In order to solve the above technical problems, a wireless headset that can be converted into a wired headset is urgently needed by those skilled in the art, so that the wireless headset has the advantages of the wired headset, and is low in energy consumption and convenient to charge.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned not enough, the utility model discloses the technical problem that will solve is: the utility model provides a bluetooth headset, the usable charging wire of this earphone converts wired earphone into, possesses wired earphone's advantage, promotes the user and feels.
In order to solve the technical problem, the technical scheme of the utility model is that:
a Bluetooth headset comprises a left headset body, a right headset body and a charging wire, wherein the end part of the charging wire is connected with a left socket, a right socket and a plug; the Bluetooth headset further comprises a switching unit for switching a charging mode and an audio mode, wherein the switching unit comprises a trigger module and a resistance voltage-dividing circuit which are electrically connected, the resistance voltage-dividing circuit is respectively arranged on the left headset body, the right headset body and the charging line, and the resistance voltage-dividing circuit is respectively electrically connected with the main control chip of the left headset body, the main control chip of the right headset body and the plug; the terminal equipment respectively transmits audio signals to the left earphone body and the right earphone body through the charging wires to transmit the audio signals by triggering the triggering module to enable the switching unit to act; the switching unit does not act, and the terminal equipment respectively charges the left earphone body and the right earphone body through the charging wires.
Preferably, the trigger module comprises a switch key arranged on the charging wire, and the switch key is electrically connected with the plug and the resistance voltage dividing circuit respectively; and triggering the switching key to act the switching unit, otherwise, not acting the switching unit.
Preferably, the resistance voltage-dividing circuit comprises a first resistance voltage-dividing circuit and a second resistance voltage-dividing circuit, the first resistance voltage-dividing circuit is arranged on the left socket and the left earphone body, the second resistance voltage-dividing circuit is arranged on the right socket and the right earphone body, the left socket and the right socket are electrically connected through a wire body of the charging wire, so that the first resistance voltage-dividing circuit and the second resistance voltage-dividing circuit are connected in series, and the first resistance voltage-dividing circuit is electrically connected with the switching key.
Preferably, the first resistor voltage-dividing circuit includes a first set of conducting contacts, a first voltage-dividing resistor and a second set of conducting contacts connected in series; the first group of conducting contacts comprises two first conducting contacts which are respectively arranged on the left socket and the left earphone body, the first divider resistor is arranged on the left earphone body, the second group of conducting contacts comprises two second conducting contacts which are respectively arranged on the left socket and the left earphone body, the first conducting contacts on the left socket are electrically connected with the switching key, and the second conducting contacts on the left socket are electrically connected with the right socket; the first divider resistor is also electrically connected with a main control chip in the left earphone body.
Preferably, the second resistor voltage-dividing circuit includes a third set of conducting contacts, a second voltage-dividing resistor and a fourth set of conducting contacts connected in series; the third group of conducting contacts comprises two third conducting contacts which are respectively arranged on the right socket and the right earphone body, the second divider resistor is arranged on the right earphone body, the fourth group of conducting contacts comprises two fourth conducting contacts which are respectively arranged on the right socket and the right earphone body, the third conducting contacts on the right socket are electrically connected with the second conducting contacts on the left socket, and the fourth conducting contacts on the right socket are grounded; the second voltage-dividing resistor is also electrically connected with a main control chip in the right earphone body.
Preferably, the plug, the left socket, the left earphone body, the right socket and the right earphone body are respectively provided with a charging contact which is correspondingly arranged and used for transmitting a charging signal; the plug, the left socket and the left earphone body are respectively provided with a left audio contact which is correspondingly arranged and used for transmitting a left audio signal, and the left audio contact on the left earphone body is electrically connected with a loudspeaker unit in the left earphone body; the plug right socket with on the right earphone body, all be equipped with the right audio frequency contact that is used for transmitting right way audio signal that corresponds the setting, right audio frequency contact on the right earphone body with this internal loudspeaker unit electricity of right earphone is connected.
Preferably, the plug is a USB-C plug.
Preferably, the microphone on the left earphone body is electrically connected with the terminal device through the charging wire; and/or the microphone on the right earphone body is electrically connected with the terminal equipment through the charging wire.
After the technical scheme is adopted, the beneficial effects of the utility model are that:
because the utility model discloses a bluetooth headset, including left earphone body, right earphone body, charging wire and switching unit, wherein the switching unit includes trigger module and the resistance bleeder circuit that the electricity is connected, and wherein the end connection of charging wire has left socket, right socket and plug. During the use, left socket is connected through the grafting electricity with left earphone body, right socket is connected through the grafting electricity with right earphone body, the plug is connected through the grafting electricity with terminal equipment, this bluetooth headset passes through the charging wire and establishes being connected with terminal equipment this moment, when the switching unit does not act, terminal equipment charges for left earphone body and right earphone body through the charging wire, switching state when the switching unit acts, terminal equipment passes through the left audio signal of charging wire transmission for left earphone body, left earphone gets into the low power consumption state, only broadcast the audio frequency that is transmitted by terminal equipment, and simultaneously, terminal equipment passes through the right audio signal of charging wire transmission for right earphone body, right earphone gets into the low power consumption state, only broadcast the audio frequency that is transmitted by terminal equipment. According to the above, the utility model discloses an available charging wire of bluetooth headset converts wired earphone to, can broadcast by the audio frequency of terminal equipment transmission, can charge by terminal equipment, possesses wired earphone's advantage, has satisfied people's different user demands, promotes the user body and feels, and simple structure, easy realization.
Drawings
Fig. 1 is a schematic circuit diagram of the bluetooth headset of the present invention;
FIG. 2 is a schematic circuit diagram of the left earphone body in the embodiment;
FIG. 3 is a schematic circuit diagram of the right earphone body in the embodiment;
fig. 4 is a schematic view of a split structure of the left earphone body, the charging cord and the right earphone body;
in the figure: the earphone comprises a left earphone body, a right earphone body, a 3-charging wire, a 30-left socket, a 31-right socket, a 32-plug and a 4-switching key.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 to 4 together, a bluetooth headset, including left earphone body 1, right earphone body 2, charging wire 3 and switching unit, wherein the end connection of charging wire 3 has left socket 30, right socket 31 and plug 32, wherein the switching unit is used for switching between charging mode and audio mode, the switching unit is including the trigger module and the resistance bleeder circuit of electricity connection, resistance bleeder circuit divides and establishes on left earphone body 1, right earphone body 2 and charging wire 3, resistance bleeder circuit respectively with the main control chip of left earphone body 1, the main control chip and the plug 32 electricity of right earphone body 2 are connected.
Inserting the left earphone body 1 into the left socket 30, and electrically connecting the left socket 30 and the left earphone body 1 through insertion; inserting the right earphone body 2 into the right socket 31, and electrically connecting the right socket 31 and the right earphone body 2 through plugging; inserting the plug 32 into an interface of the terminal equipment, and connecting the plug 32 and the terminal equipment through plugging electricity; the terminal device is, but not limited to, a mobile phone, the plug 32 is disposed corresponding to an interface on the terminal device, and in this example, the plug 32 is a USB-C plug. After the Bluetooth headset is connected with the mobile phone in the above mode, when the trigger module is not touched, the switching unit does not act, and the mobile phone respectively charges the left headset body 1 and the right headset body 2 through the charging wire 3; when touching trigger module, the switching unit action switching state, the cell-phone passes through charging wire 3 transmission left audio signal and gives left earphone body 1, and transmission right audio signal gives right earphone body 2, and this bluetooth headset only plays the audio frequency that comes by the cell-phone transmission this moment.
It can be seen that, the utility model discloses an available charging wire 3 of bluetooth headset has converted wired earphone, has possessed wired earphone's advantage, and its accessible cell-phone charges, and the audio frequency that the cell-phone transmission comes can be broadcast, gets into the low power consumption state, has satisfied the multiple user demand of user, promotes user's body and feels, and simple structure, easy realization.
The following are specifically mentioned: the bluetooth headset of this embodiment is the TWS earphone, and the inside main control chip of left earphone body 1 and right earphone body 2 is the bluetooth chip, and the bluetooth chip is connected with resistance bleeder circuit electricity.
As shown in fig. 1 and 4, the trigger module includes a switch button 4 disposed on the charging line 3, and the switch button 4 is electrically connected to the plug 32 and the resistor divider circuit, respectively. In this example, plug 32 is provided with contact CC, switch button 4 is electrically connected to contact CC, and switch button 4 is also grounded GND. The switching key 4 is touched, the switching unit acts, otherwise, the switching unit does not act. Of course, the triggering module is not limited to the above-mentioned switching key 4, and may be a voice module.
As shown in fig. 1, the resistance voltage-dividing circuit includes a first resistance voltage-dividing circuit and a second resistance voltage-dividing circuit, the first resistance voltage-dividing circuit is respectively arranged on the left socket 30 and the left earphone body 1, the second resistance voltage-dividing circuit is respectively arranged on the right socket 31 and the right earphone body 2, the left socket 30 and the right socket 31 are connected in series through the wire body of the charging wire 3, so that the first resistance voltage-dividing circuit and the second resistance voltage-dividing circuit are connected in series, and the first resistance voltage-dividing circuit is electrically connected with the switch key 4.
As shown in fig. 1 and fig. 2, the first resistor-divider circuit in this embodiment includes a first set of conductive contacts, a first divider resistor R1, and a second set of conductive contacts connected in series; the first group of conducting contacts comprises two first conducting contacts which are respectively arranged on the left socket 30 and the left earphone body 1, and the two first conducting contacts are respectively a first conducting contact ID1 and a first conducting contact ID-1; the first divider resistor R1 is arranged on the left earphone body 1, the second group of conducting contacts comprises two second conducting contacts which are respectively arranged on the left socket 30 and the left earphone body 1, and the two second conducting contacts are respectively a second conducting contact ID2 and a second conducting contact ID-2; the first conducting contact ID1 on the left socket 30 is electrically connected with the switch key 4, and the second conducting contact ID2 on the left socket 30 is electrically connected with the right socket 31; the first divider resistor R1 is also electrically connected with the main control chip in the left earphone body 1.
As shown in fig. 1 and fig. 3, the second resistance voltage divider circuit in this example includes a third set of conductive contacts, a second voltage divider resistance R2, and a fourth set of conductive contacts connected in series; the third set of conductive contacts comprises two third conductive contacts respectively arranged on the right socket 31 and the right earphone body 2, and the two third conductive contacts are respectively a third conductive contact ID3 and a third conductive contact ID-3; the second voltage-dividing resistor R2 is arranged on the right earphone body 2, the fourth group of conducting contacts comprises two fourth conducting contacts which are respectively arranged on the right socket 31 and the right earphone body 2, and the two fourth conducting contacts are respectively a fourth conducting contact ID4 and a fourth conducting contact ID-4; and the third conductive contact ID3 on the right socket 31 is electrically connected to the second conductive contact ID2 on the left socket 30, the fourth conductive contact ID4 on the right socket 31 is grounded to GND, and in fact the fourth conductive contact ID4 is connected to the ground contact GND on the right socket 31; the second voltage dividing resistor R2 is also electrically connected to the main control chip in the right earphone body 2.
As shown in fig. 1, the plug 32, the left socket 30, the left earphone body 1, the right socket 31, and the right earphone body 2 are respectively provided with a charging contact for transmitting a charging signal, the charging contact on the plug 32 is VBUS, the charging contact on the left socket 30 is VBUS1, the charging contact on the left earphone body 1 is VBUS-1, the charging contact on the right socket 31 is VBUS2, the charging contact on the right earphone body 2 is VBUS-2, and the charging contact VBUS1 and the charging contact VBUS2 are electrically connected to the charging contact VBUS through a wire body of the charging wire 3.
The plug 32, the left socket 30 and the left earphone body 1 are respectively provided with a left audio contact which is correspondingly arranged and used for transmitting a left audio signal, and the left audio contact on the left earphone body 1 is electrically connected with a loudspeaker unit in the left earphone body 1. The left audio contact on the plug 32 is DN, the left audio contact on the left socket 30 is DN1, the left audio contact on the left earphone body 1 is DN-1, and the left audio contact is DN1 and is electrically connected with the left audio contact DN through the wire body of the charging wire 3.
The plug 32, the right socket 31 and the right earphone body 2 are respectively provided with a right audio contact which is correspondingly arranged and used for transmitting right audio signals, and the right audio contact on the right earphone body 2 is electrically connected with the loudspeaker unit in the right earphone body 2. The right audio contact on the plug 32 is DP, the right audio contact on the right socket 31 is DP1, the right audio contact on the right earphone body 2 is DP-1, and the right audio contact is DP1 and is electrically connected with the right audio contact DP through the wire body of the charging wire 3.
As shown in fig. 1, the microphone on the left earphone body 1 is electrically connected with the terminal equipment through a charging wire 3; and/or the microphone on the right earphone body 2 is electrically connected with the terminal equipment through the charging wire 3. The microphone on the left earphone body 1 or the right earphone body 2 can be used for picking up voice signals. In this example, the plug 32 is provided with a contact SBU1 and a contact SBU2, the microphone on the right earphone body 2 is electrically connected with the contact SBU2 through the charging wire 3, and the corresponding contacts are provided on the left socket 30 and the left earphone body 1, and on the right socket 31 and the right earphone body 2.
As shown in fig. 1 to 4, the TWS headset of the present embodiment works according to the following principle:
when the switch button 4 is not pressed, the contact CC of the USB-C plug is directly connected to the first conductive contact ID1 of the left jack 30, and then to the first conductive contact ID-1 of the left earphone body 1, inside the left earphone body 1, a first voltage dividing resistor R1 is connected, after passing through the first voltage dividing resistor R1, in turn, to the second conductive contact ID-2, to the second conductive contact ID2 of the left socket 30, inside the charging wire 3, the second conductive contact ID2 is connected to the third conductive contact ID3 of the right jack 31, to the third conductive contact ID-3 of the right earphone body 2, to the second voltage dividing resistor R2 in series, to the fourth conductive contact ID-4 through the second voltage dividing resistor R2, and finally to the fourth conductive contact ID4 of the right jack 31, and to the ground contact GND inside the right jack 31.
In the charging mode, after the mobile phone is connected, so that R1+ R2 is 5.1K ohms, according to the USB protocol, when the contact CC is pulled down by 5.1K ohms, the USB-C interface of the mobile phone is in the OTG mode, and the TWS headset connected to the two sockets is charged through the VBUS pin of the mobile phone, via the charging contact VBUS1 of the left socket 30 and the charging contact VBUS2 of the right socket 31 of the charging line 3.
When the switching key 4 is pressed, the contact CC of the USB-C plug is connected to the ground GND, the connection with the resistance voltage division circuit is disconnected, and the USB-C interface of the mobile phone is in an external audio output mode according to the USB protocol setting; in this mode, the USB-C interface of the mobile phone outputs analog audio signals through the left audio contact DN and the right audio contact DP, respectively, the left audio contact DN outputs a left channel analog audio signal, the right audio contact DP outputs a right channel analog audio signal, and the analog audio signals are processed by the internal circuits of the two TWS earphones and then are respectively provided to the two speaker units of the two earphones; at this time, the TWS headset enters a low power consumption mode, so that the speaker unit only plays the audio signal output by the USB-C interface of the mobile phone.
Meanwhile, the main control chip of the left earphone body 1 detects the voltage change of the first voltage dividing resistor R1, the main control chip cuts off the connection between the speaker unit and the inside, and only plays the audio transmitted by the mobile phone. The main control chip of the right earphone body 2 detects the voltage change of the second voltage-dividing resistor R2, the main control chip cuts off the loudspeaker unit and the internal connection, and only plays the audio transmitted by the mobile phone, so that the TWS earphone enters a low-power-consumption mode, and the electric quantity consumption of the TWS earphone is greatly saved.
To sum up, the utility model discloses a bluetooth headset utilizes a multi-functional charging wire, converts wired earphone to, utilizes the cell-phone to charge, plays the audio frequency of cell-phone transmission, great consumption of having saved self electric quantity improves duration, promotes the user body and feels.
In addition, the left socket is connected with the left earphone body in an inserting mode, the right socket is connected with the right earphone body in an inserting mode, and the male socket and the female socket can be used for achieving inserting.
The above-mentioned preferred embodiments of the present invention are not intended to limit the present invention, and any modifications, equivalent modifications, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims (8)

1. A Bluetooth headset comprises a left headset body, a right headset body and a charging wire, and is characterized in that the end part of the charging wire is connected with a left socket, a right socket and a plug, the left socket is electrically connected with the left headset body through splicing, the right socket is electrically connected with the right headset body through splicing, and the plug is electrically connected with a terminal device through splicing;
the Bluetooth headset further comprises a switching unit for switching a charging mode and an audio mode, wherein the switching unit comprises a trigger module and a resistance voltage-dividing circuit which are electrically connected, the resistance voltage-dividing circuit is respectively arranged on the left headset body, the right headset body and the charging line, and the resistance voltage-dividing circuit is respectively electrically connected with the main control chip of the left headset body, the main control chip of the right headset body and the plug;
the terminal equipment respectively transmits audio signals to the left earphone body and the right earphone body through the charging wires to transmit the audio signals by triggering the triggering module to enable the switching unit to act;
the switching unit does not act, and the terminal equipment respectively charges the left earphone body and the right earphone body through the charging wires.
2. The Bluetooth headset of claim 1, wherein the trigger module comprises a switch button disposed on the charging wire, and the switch button is electrically connected to the plug and the resistor divider circuit, respectively;
and triggering the switching key to act the switching unit, otherwise, not acting the switching unit.
3. The Bluetooth headset of claim 2,
the resistance voltage division circuit comprises a first resistance voltage division circuit and a second resistance voltage division circuit,
the first resistance voltage division circuit is respectively arranged on the left socket and the left earphone body,
the second resistance voltage-dividing circuit is respectively arranged on the right socket and the right earphone body,
the left socket and the right socket are electrically connected through a line body of the charging wire, so that the first resistance voltage division circuit is connected with the second resistance voltage division circuit in series, and the first resistance voltage division circuit is electrically connected with the switching key.
4. The bluetooth headset according to claim 3, wherein the first resistor-divider circuit comprises a first set of conductive contacts, a first divider resistor and a second set of conductive contacts connected in series;
the first group of conducting contacts comprises two first conducting contacts which are respectively arranged on the left socket and the left earphone body, the first divider resistor is arranged on the left earphone body, the second group of conducting contacts comprises two second conducting contacts which are respectively arranged on the left socket and the left earphone body, the first conducting contacts on the left socket are electrically connected with the switching key, and the second conducting contacts on the left socket are electrically connected with the right socket;
the first divider resistor is also electrically connected with a main control chip in the left earphone body.
5. The bluetooth headset according to claim 4, wherein the second resistor-divider circuit comprises a third set of conductive contacts, a second divider resistor and a fourth set of conductive contacts connected in series;
the third group of conducting contacts comprises two third conducting contacts which are respectively arranged on the right socket and the right earphone body, the second divider resistor is arranged on the right earphone body, the fourth group of conducting contacts comprises two fourth conducting contacts which are respectively arranged on the right socket and the right earphone body, the third conducting contacts on the right socket are electrically connected with the second conducting contacts on the left socket, and the fourth conducting contacts on the right socket are grounded;
the second voltage-dividing resistor is also electrically connected with a main control chip in the right earphone body.
6. The Bluetooth headset of claim 1,
the plug, the left socket, the left earphone body, the right socket and the right earphone body are respectively provided with a charging contact which is correspondingly arranged and used for transmitting a charging signal;
the plug, the left socket and the left earphone body are respectively provided with a left audio contact which is correspondingly arranged and used for transmitting a left audio signal, and the left audio contact on the left earphone body is electrically connected with a loudspeaker unit in the left earphone body;
the plug right socket with on the right earphone body, all be equipped with the right audio frequency contact that is used for transmitting right way audio signal that corresponds the setting, right audio frequency contact on the right earphone body with this internal loudspeaker unit electricity of right earphone is connected.
7. A Bluetooth headset according to any of claims 1 to 6, wherein the plug is a USB-C plug.
8. The Bluetooth headset of claim 7, wherein the microphone on the left headset body is electrically connected with the terminal device through the charging wire; and/or the microphone on the right earphone body is electrically connected with the terminal equipment through the charging wire.
CN202020430916.1U 2020-03-27 2020-03-27 Bluetooth earphone Active CN211606768U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020430916.1U CN211606768U (en) 2020-03-27 2020-03-27 Bluetooth earphone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020430916.1U CN211606768U (en) 2020-03-27 2020-03-27 Bluetooth earphone

Publications (1)

Publication Number Publication Date
CN211606768U true CN211606768U (en) 2020-09-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020430916.1U Active CN211606768U (en) 2020-03-27 2020-03-27 Bluetooth earphone

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114125628A (en) * 2021-11-12 2022-03-01 东莞市实优特电子有限公司 Earphone capable of switching states

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114125628A (en) * 2021-11-12 2022-03-01 东莞市实优特电子有限公司 Earphone capable of switching states

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