CN212519406U

CN212519406U - Portable TWS bluetooth headset device of solar energy

Info

Publication number: CN212519406U
Application number: CN202021816222.8U
Authority: CN
Inventors: 杨勇; 龙伟伟
Original assignee: Shenzhen Ginto eCommerce Co Ltd
Current assignee: Shenzhen xingkeqi Innovation Technology Co.,Ltd.
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-02-09
Anticipated expiration: 2030-08-26

Abstract

The utility model discloses a portable solar TWS Bluetooth headset device, which comprises a left Bluetooth headset and a right Bluetooth headset, wherein the left Bluetooth headset and the right Bluetooth headset both comprise earplugs and straight rod-shaped headset bodies which are connected with the earplugs and extend in the axis direction of the earplugs, the headset bodies are provided with a circuit control unit and a headset battery, a loudspeaker is arranged in the earplugs, and the headset battery and the loudspeaker are both electrically connected with the circuit control unit; the TWS Bluetooth earphone device also comprises a necklace type connecting piece, wherein the necklace type connecting piece comprises a decorative wearing ring and a connecting block arranged on the decorative wearing ring, and each earphone body is connected to the connecting block in a magnetic attraction manner; each earphone body is divided into two sections which can be rotatably connected, and a solar panel is arranged on the surface of the earphone body and electrically connected with the circuit control unit. The utility model discloses it is all very convenient to make TWS bluetooth headset deposit and take, portable, and can utilize solar energy to continue a journey for the earphone battery charges, need not to carry the earphone box.

Description

Portable TWS bluetooth headset device of solar energy

Technical Field

The utility model relates to a bluetooth headset technical field especially relates to a portable TWS bluetooth headset device of solar energy.

Background

The audio of the two earphones on the left and the right are wirelessly transmitted by adopting independent Bluetooth chips in each earphone respectively, so that wires are saved, the wired earphone is convenient to carry, and higher tone quality effect can be obtained due to the fact that the left earphone and the right earphone independently output the audio. TWS headsets are now becoming more popular.

Along with TWS bluetooth headset's more and more popular, bluetooth headset's accomodating just becomes an important problem about it, because TWS bluetooth headset does not have the pencil, and is small, and the user often does not know after using up and should leave in where, probably places at will, is difficult for looking for when using next time like this, and loses easily, experiences for user's use and causes very big inconvenience. To such problem, earphone box has appeared on the market, puts the bluetooth headset into the earphone box, is convenient for deposit, also looks for easily simultaneously.

But the setting of earphone box has really increased the weight of whole earphone device, and it has increased user's heavy burden and occupation space when the user goes out to carry, and is inconvenient to carry. Meanwhile, when a user does not want to listen to music, the left and right earphones need to be put back to the earphone box, and then need to be taken out of the earphone box when the user reuses the earphones in an interim, so that the user is inconvenient to take and use the earphones.

Simultaneously, current bluetooth headset is because the structure is little, and its earphone battery is also little, leads to bluetooth headset's duration not enough like this and need carry the earphone box among the prior art for bluetooth headset charges and supplements its electric energy.

Therefore, the prior art has yet to be improved.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing prior art's weak point, an object of the utility model is to provide a portable TWS bluetooth headset device of solar energy, it is all very convenient to aim at making TWS bluetooth headset deposit and take, portable, and can utilize solar energy to continue a journey for the earphone battery charges, need not to carry the earphone box.

In order to achieve the purpose, the utility model adopts the following technical proposal:

a portable solar TWS Bluetooth headset device comprises a left Bluetooth headset and a right Bluetooth headset, wherein the left Bluetooth headset and the right Bluetooth headset both comprise earplugs and straight rod-shaped headset bodies which are connected with the earplugs and extend in the axial direction of the earplugs, the headset bodies are provided with circuit control units and headset batteries, loudspeakers are arranged in the earplugs, and the headset batteries and the loudspeakers are electrically connected with the circuit control units;

the TWS Bluetooth headset device further comprises a necklace-type connecting piece, the necklace-type connecting piece comprises a decorative wearing ring and a connecting block arranged on the decorative wearing ring, and each headset body is connected to the connecting block in a magnetic attraction manner;

each earphone body is divided into two sections which can be rotatably connected, and a solar panel is arranged on the surface of the earphone body and electrically connected with the circuit control unit.

Each earphone body comprises a fixed rod part and a rotating rod part, one end of the fixed rod part is connected with the loudspeaker, and the other end of the fixed rod part is rotatably connected with the rotating rod part;

a first magnetic suction piece is arranged on the connecting block of the necklace type connecting piece;

a second magnetic attraction piece is arranged at one end, facing the connecting block, of the rotating rod part of the left Bluetooth headset;

a third magnetic suction piece is arranged at one end, facing the connecting block, of the rotating rod part of the right Bluetooth headset;

the first magnetic attraction piece and the second magnetic attraction piece and the third magnetic attraction piece attract each other to fix the left Bluetooth headset and the right Bluetooth headset on the connecting block of the necklace type connecting piece in a magnetic attraction manner.

Wherein, the side edges of the rotating rod part and the fixed rod part are provided with rotating shaft sleeve mechanisms for rotation;

the one end that rotates pole portion and face fixed pole portion is provided with the pothook, the one end that fixed pole portion faces and rotates pole portion is provided with the draw-in groove, pothook and draw-in groove block.

Wherein, fixed pole portion and rotation pole portion are the rectangle pole, and solar panel sets up in each surface in fixed pole portion and/or rotation pole portion.

The circuit control unit comprises a Bluetooth module circuit, and the Bluetooth module circuit is electrically connected with an earphone battery and a loudspeaker;

the circuit control unit also comprises a solar charging control circuit which is electrically connected with the solar panel and the earphone battery, and the solar charging control circuit can turn on or off the solar panel to charge the earphone battery according to the residual capacity of the earphone battery.

The earphone body is provided with a charging port and an MIC, the earphone battery, the charging port and the power circuit are electrically connected, and the loudspeaker and the MIC are electrically connected with the Bluetooth chip.

The power supply circuit comprises a charge and discharge management circuit and a voltage stabilizing circuit;

the charging and discharging management circuit is connected with the charging port, the earphone battery and the voltage stabilizing circuit, and the voltage stabilizing circuit is connected with the Bluetooth chip.

The solar charging control circuit is also directly electrically connected with the voltage stabilizing circuit and used for directly supplying power to the Bluetooth chip.

The model of the Bluetooth chip is QCC 3020.

The solar charging management circuit comprises a charging control chip, a power point setting unit, a voltage detection comparison unit and a field effect transistor M1, wherein the model of the charging control chip is CN 951;

the field effect transistor M1 is connected between the solar panel and the earphone battery and is controlled by the charging control chip to turn on and off the M1, the power point setting unit is connected between the solar panel and the charging control chip and is used for setting the maximum power point of the solar panel, and the voltage detection comparison unit is connected between the earphone battery and the charging control chip and is used for feeding back the reference voltage and the output voltage of the earphone battery.

The utility model discloses a portable TWS bluetooth headset device of solar energy controls bluetooth headset and necklace formula connecting piece through setting up, controls bluetooth headset's earphone body and sets rotatable coupling's two sections to it is fixed to inhale with necklace formula connecting piece magnetism. Therefore, when the user does not use the earphones, the left and right Bluetooth earphones can be sucked on the necklace type connecting piece worn on the neck of the human body and hung in front of the chest to be stored without an earphone box; when the earphone needs to be used, the left and right Bluetooth earphones are separated from the necklace type connecting piece in the chest by direct force application, and then the ears are put in, so that the storage and taking are convenient, and the whole device can not occupy a pocket or a storage space in a bag of a user independently, and is very convenient to carry. Simultaneously bluetooth headset's earphone body surface sets up solar panel about, can not charge like this with carrying the earphone box, and directly utilize solar energy to charge for bluetooth headset, need not to worry bluetooth headset's battery continuation of the journey problem during outdoor use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 first embodiment of a solar portable TWS Bluetooth headset device according to the present invention;

FIG. 2 is an exploded view of the structure of FIG. 1

FIG. 3 is an exploded view of the structure of FIG. 1 in a rotated state;

FIG. 4 is a schematic structural diagram of the left and right Bluetooth headsets;

FIG. 5is an exploded view of the left and right Bluetooth headsets in a rotated state;

FIG. 6 is a schematic structural diagram of a right Bluetooth headset;

FIG. 7 is an exploded view of the right Bluetooth headset;

fig. 8 is a schematic circuit diagram of a first embodiment of the right bluetooth headset of the present invention;

fig. 9 is a schematic diagram of the bluetooth chip of the present invention;

fig. 10 is a schematic diagram of the connection principle of the power circuit of the present invention;

fig. 11 is a schematic circuit connection diagram of the charge and discharge management circuit in the power circuit of the present invention;

fig. 12 is a schematic circuit connection diagram of a voltage stabilizing circuit in the power circuit of the present invention;

fig. 13 is a schematic circuit connection diagram of the horn of the present invention;

fig. 14 is a schematic circuit connection diagram of the MIC of the present invention;

fig. 15 is a schematic circuit connection diagram of the solar charging control circuit of the present invention.

Description of reference numerals:

100-device, 1-left Bluetooth headset, 2-right Bluetooth headset, 3-earplug, 4-headset body, 41-fixed rod part, 411-card slot, 42-rotating rod part, 421-hook, 43-second magnetic attraction part, 44-third magnetic attraction part, 45-rotating shaft sleeve mechanism, 451-rotating shaft, 452-shaft sleeve, 5-circuit control unit, 51-Bluetooth module circuit, 511-Bluetooth chip, 512-power circuit, 512 a-charge and discharge management circuit, 512 b-voltage stabilizing circuit, 52-solar charge control circuit, 521-charge control chip, 522-power point setting unit, 523-voltage detection comparing unit, 6-headset battery, 7-loudspeaker, 8-necklace type connecting piece, 81-decorative wearing ring, 82-connecting block, 83-first magnetic attraction piece, 9-solar panel, 10-charging port, 11-MIC, 12-LED lamp and 13-function button.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "connected" may be a fixed connection or a removable connection, or may be integral therewith; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

Please refer to fig. 1 and 7, the utility model provides a portable TWS bluetooth headset device 100 of solar energy, including left bluetooth headset 1 and right bluetooth headset 2, left side bluetooth headset 1 and right bluetooth headset 2 all include earplug 3, and the straight rod-shaped earphone body 4 that is connected and extends in earplug 3 axis direction with earplug 3, earphone body 4 is provided with circuit control unit 5 and earphone battery 6, be provided with loudspeaker 7 in the earplug 3, earphone battery 6 and loudspeaker 7 all are connected with circuit control unit 5 electricity. The earphone battery 6 supplies power for circuit elements such as the circuit control unit 5 and the loudspeaker 7 in the Bluetooth earphone. The utility model discloses a what left bluetooth headset 1 and right bluetooth headset 2 adopted is the bluetooth headset that the straight bar is shaped, and its earphone body 4 is same axis linear connection with earplug 3. Because do not buckle between the earphone body of the bluetooth headset of straight bar shape and the earplug, its manufacturing of being convenient for.

As shown in fig. 1 to 3, the TWS bluetooth headset device 100 of the present invention further includes a necklace type connector 8, the necklace type connector 8 includes a decorative ring 81 and a connecting block 82 disposed on the decorative ring 81, each of which is connected to the connecting block 82 by the magnetic attraction of the earphone body 4. The decorative wearing ring 81 can be a closed ring, and the connecting block 82 is clamped on the decorative wearing ring 81; or the decorative wearing ring 81 can be a ring with the head and the tail ends openable, and the head and the tail ends of the decorative wearing ring 81 can be connected and fixed on the connecting block 82.

Preferably, the connecting block 82 of the present invention is slidable on the decorative wearing ring 81. Thus, the position of the connecting block 82 on the decorative wearing ring 81 can be adjusted, so that the position of the left and right Bluetooth earphones hung on the chest after the decorative wearing ring 81 is adjusted. The utility model discloses decorate and wear ring 81 and be used for wearing in user's neck, decorate simultaneously and wear ring 81 and play decorative effect, it can set up unique appearance and connection structure and similar necklace, can buckle or straighten and be convenient for wear like the necklace to play the pleasing to the eye effect of decoration that the necklace is the same.

Because it all can inhale through 4 magnetism of earphone body and connect in connecting block 82 to control bluetooth headset, like this, when not using the earphone to take in, about will bluetooth headset actuation hang in the front can deposit in the connecting block 82 of necklace type connecting piece 8, when using the earphone, then directly take off the earphone from necklace type connecting piece 8, wear into the ear can, make like this the utility model discloses a about bluetooth headset deposit and take very convenient and fast, and be convenient for whole TWS bluetooth headset device 100 carry to decorative effect has.

Referring to fig. 4 and 6, each of the earphone bodies 4 of the TWS bluetooth earphone device 100 of the present invention is divided into two sections that are rotatably connected. Rotate earphone body 4 that connects the setting and make the certain angle of 4 flexions of straight rod shape bluetooth headset wear in ear back earphone body and hang on the earlobe, it wears comfortablely, and the straight rod shape earphone of having avoided current unable buckling is directly inserted at the ear, and earphone body 4 suspension is outside the ear, and perpendicular or be the contained angle with the ear, does not attach on the earlobe, and the travelling comfort that the influence was worn. Meanwhile, the earphone body 4 after being bent is rotated and attached to the ear, so that the ear can be clamped, and the earphone is not easy to drop. Thirdly, the utility model discloses a4 make straight-bar bluetooth headset wear not influence the pleasing to the eye of user's ear after buckling of earphone body also.

The utility model discloses the earphone bodies 4 of the left and right Bluetooth earphones are set to the rotating connection mode, and the earphone bodies 4 are rotated to be in the bending state when being worn, thereby ensuring comfortable wearing; when not in use, the earphone body 4 is restored to be in the state of the straight rod, so that the earphone is convenient to store and store.

As shown in fig. 2 and fig. 3, the surface of the earphone body 4 of the left bluetooth earphone 1 and the right bluetooth earphone 2 of the TWS bluetooth earphone 100 of the present invention is provided with a solar panel 9 electrically connected to the circuit control unit 5.

Solar panel 9 charges for controlling bluetooth headset's earphone battery 6 after converting solar energy into the electric energy, and earphone battery 6 discharges again and supplies power to bluetooth headset's circuit control unit 5, perhaps solar panel 9 directly exports circuit control unit 5 after converting solar energy into the electric energy and supplies power. Because solar panel 9's setting, for current bluetooth headset, the utility model discloses a bluetooth headset charges about can directly using solar energy of TWS bluetooth headset device 100, does not worry the problem that can't charge after 6 electric quantities of earphone battery run out when the open air, can not carry the storehouse of charging simultaneously, saves space, and the bluetooth headset of being convenient for carry and conveniently take to the convenience that whole improvement TWS bluetooth headset device 100 used promotes user's use and experiences.

Specifically, referring to fig. 2 to 5, each of the earphone bodies 4 of the present invention includes a fixed rod portion 41 and a rotating rod portion 42, one end of the fixed rod portion is connected to the speaker, and the other end is rotatably connected to the rotating rod portion. When the earphone is used, the fixed rod part 41 can be partially plugged into the ear along with the earplug 3, and the rotating rod part 42 can be tightly attached to the earlobe and is not suspended after rotating for a certain angle, so that the earphone body 4 can be conveniently worn on the ear, and the wearing comfort is improved.

The connecting block 82 of the necklace-type connecting member 8 is provided with a first magnetic attraction member 83, and the first magnetic attraction member 83 is provided with at least one, in this embodiment, two first magnetic attraction members 83 are provided.

The one end of the rotation pole portion 42 of left side bluetooth headset 1 towards connecting block 82 is provided with the second and inhales a piece 43, the one end of the rotation pole portion 42 of right side bluetooth headset 2 towards connecting block 82 is provided with the third and inhales a piece 44, first magnetism inhale 83 with piece 43 and the third magnetism inhale the piece 44 actuation and inhale in order to inhale with left bluetooth headset 1 and right bluetooth headset 2 magnetism and be fixed in on connecting block 82 of necklace formula connecting piece 8.

That is, the utility model discloses a left side bluetooth headset 1 and right bluetooth headset 2 inhale with connecting block 82's fixed magnetism to inhale piece 43 and the actuation of third magnetism inhale piece 44 with the second magnetism by first magnetism inhale piece 83, its be convenient for left bluetooth headset 1 and right bluetooth headset 2 fixed with the separation of being connected of necklace type connecting piece 8 to be convenient for swiftly deposit and take of left bluetooth headset 1 and right bluetooth headset 2.

The utility model discloses a TWS bluetooth headset 100 when using, the fixed pole portion 41 of the earphone body 4 that will control bluetooth headset respectively carries out certain angle's rotation and makes earphone body 4 buckle with rotation pole portion 42, then wears in the human left and right sides ear, and earphone body 4 after buckling is partly in the ear, and another part can paste on the earlobe and the centre gripping ear. When the user does not use the earphone, the left and right bluetooth earphones are taken out from the ears, the fixed rod part 41 of the earphone body 4 is rotated, the fixed rod part 42 and the rotating rod part 42 enable the earphone body 4 to be in a straight rod state, and then the second magnetic attraction part 43 and the third magnetic attraction part 44 which are arranged on the two earphone rotating rod parts 42 are attracted with the first magnetic attraction part 83 on the connecting block 82 of the necklace type connecting piece 8, so that the two earphones are fixed on the necklace type connecting piece 8 to be worn and stored.

As shown in fig. 7, the utility model discloses the side of controlling bluetooth headset's rotation pole portion 42 and fixed pole portion 41 is provided with and is used for pivoted pivot axle sleeve mechanism 45, and pivot axle sleeve mechanism 45 includes pivot 451 and axle sleeve 452, and axle sleeve 452 sets up respectively at the side of rotating pole portion 42 and fixed pole portion 41, and pivot 451 inserts in the axle sleeve 452, make fixed pole portion 41 and rotation pole portion 42 rotate relatively like this.

A hook 421 is arranged at one end of the rotating rod part 42 facing the fixed rod part 41, a slot 411 is arranged at one end of the fixed rod part 41 facing the rotating rod part 42, and the hook 421 is fastened with the slot 411. The hook 421 is fastened with the slot 411 to fix the left and right bluetooth headsets into a straight rod state for storage.

Preferably, as shown in fig. 6, the fixed rod portion 41 and the rotating rod portion 42 of the earphone body 1 of the WS bluetooth earphone device 100 of the present invention are both rectangular rods, and the solar panel 9 is disposed on each surface of the fixed rod portion 41 and/or the rotating rod portion 42. The rectangular rod makes each surface of the fixed rod part 41 and the rotating rod part 42 be a plane, which is convenient for the installation and arrangement of the solar panel 9. The utility model discloses in, solar panel 9 is a plurality of boards, can set up on each surface of rotating pole portion 42, or each surface of fixed pole portion 41 and rotation pole portion 42 all is provided with solar panel 9, can gather the solar energy of 4 each faces of earphone body like this, improves collection efficiency. As shown in fig. 7, three solar panels 6 are disposed on the upper and lower surfaces and the side surface of the rotating rod 42 of the right bluetooth headset 2. When the left and right Bluetooth earphones are placed together, six solar panels 6 collect solar energy simultaneously and convert the solar energy into electric energy, and the energy supply efficiency of the Bluetooth earphones is improved.

As shown in fig. 8, the circuit control unit 5 of the TWS bluetooth headset device 100 of the present invention includes the bluetooth module circuit 51, the bluetooth module circuit 51 is electrically connected to the earphone battery 6 and the speaker 7, and the bluetooth module circuit 51 is used for playing through the speaker 7 after the wireless receiving audio frequency is decoded.

The circuit control unit 51 further comprises a solar charging control circuit 52, the solar charging control circuit 52 is electrically connected with the solar panel 9 and the earphone battery 6, and the solar charging control circuit 52 turns on or off the charging of the earphone battery 6 by the solar panel 9 according to the amount of the remaining power of the earphone battery 6. The remaining capacity of the headset battery 6 is typically calculated by taking the voltage across the headset battery 6.

The solar charging control circuit 52 is used for completing the charging control of the earphone battery 6, in the embodiment of the present invention, when the electric quantity of the earphone battery 6 of the bluetooth earphone is lower than the preset threshold value, the solar charging control circuit 52 switches on the circuit between the solar panel 9 and the earphone battery 6 to charge the earphone battery of the bluetooth earphone; when the power of the battery 6 of the bluetooth headset is higher than the preset threshold, the solar charging control circuit 52 turns off the circuit between the solar panel 9 and the battery 6 of the bluetooth headset to stop charging the battery 6 of the bluetooth headset.

Thus, the utility model discloses a TWS bluetooth headset 100's solar charging is intelligent charging, when earphone battery 6 electric quantity is low, charges for earphone battery 6 at once, avoids shutting down in the use. Meanwhile, after the charging electric quantity reaches the preset value, the solar energy is stopped to charge the earphone battery 6, and the phenomenon that the solar panel 9 continues to charge the battery after the earphone battery 6 is fully charged and the damage of the earphone battery 6 is possibly caused is avoided.

The utility model discloses a fixed pole portion 41 embeds earphone battery 6 rotates pole portion 42 and embeds bluetooth module circuit 51 and solar charging control circuit 52, and bluetooth module circuit 51, solar charging control circuit 52 separately set up with earphone battery 6, are convenient for rationally utilize the space in earphone body 4, avoid crowded, mutual interference.

Continuing to refer to fig. 8, the utility model discloses a bluetooth module circuit 51 includes bluetooth chip 511 and the power supply circuit 512 who is connected with bluetooth chip 511 electricity, earphone body 4 still is provided with charging port 10 and MIC11, earphone battery 6, charging port 10 are connected with power supply circuit 512 electricity, loudspeaker 7 and MIC11 are connected with bluetooth chip 511 electricity.

As shown in fig. 9, the model of the bluetooth chip 511 of the embodiment of the present invention is QCC 3020. The Bluetooth chip QCC3020 is a high-performance, high-integration multimedia Bluetooth system-level chip, and integrates the functions of a baseband, a Bluetooth transceiver, power management and professional application to Bluetooth music and audio applications. The Bluetooth music box is suitable for Bluetooth speakers, Bluetooth music boxes, Bluetooth earphones and the like.

The setting of the port 10 that charges makes the utility model discloses a TWS bluetooth headset 100 can charge earphone battery 6 through the external power source is connected to the port 10 that charges under the condition that does not have the sunlight. The external power source may be a charging bin or an external mains connected through an adapter.

MIC11 is the microphone for gather the audio frequency, can be used to the bluetooth headset conversation, preferably, the utility model discloses earphone body 4 still is provided with LED lamp 12 and function button 13 and bluetooth chip 511 electricity and is connected. The LED lamp 12 sends a prompt signal, and the function keys 13 are used to control the earphones, such as on and off, volume adjustment, etc. The function keys 13 may be touch keys.

As shown in fig. 10, the utility model discloses power supply circuit 512 of TWS bluetooth headset device 100 includes charge and discharge management circuit 512a, voltage stabilizing circuit 512b, charge and discharge management circuit 512a connects charging port 10, earphone battery 6 and voltage stabilizing circuit 512b, bluetooth chip 511 is connected to voltage stabilizing circuit 512 b.

Specifically, as shown in fig. 11 and 12, the utility model discloses charge and discharge management circuit 512a of embodiment adopts charge and discharge management chip U6 (model XB6095ISX) to manage earphone battery 6's charge and discharge, overloads earphone battery 6, protection such as short circuit.

The voltage stabilizing circuit 512B adopts a voltage stabilizing chip U3 (model LR6232B30F1) to regulate the voltage output by the earphone battery 6 so as to output a stable DC3.0V voltage.

Further, as shown in fig. 10, the solar charging control circuit 51 of the TWS bluetooth headset device 100 of the present invention is also directly electrically connected to the voltage stabilizing circuit 512b for directly supplying power to the bluetooth chip 511. Thus, the utility model discloses a TWS bluetooth headset 100 can directly utilize the electric energy of solar panel 8 conversion when earphone battery 6 trouble.

As shown in fig. 13, the speaker connection circuit according to the embodiment of the present invention is connected to the audio signal output terminals B8 and B9 of the bluetooth chip 511 through the SPK +, SPK-terminals.

As shown in fig. 14, the utility model discloses MIC connecting circuit sets up to two MIC inputs, and the mode of setting up of two MIC inputs can carry OUT anti-noise interference to the audio frequency of gathering, and two MICs are connected to bluetooth chip 511's audio acquisition end B4, A4 through output pin OUT respectively.

As shown in fig. 15, preferably, the solar charging management circuit 52 of the TWS bluetooth headset device 100 of the present invention includes a charging control chip 521, a power point setting unit 522, a voltage detection comparing unit 523 and a field effect transistor M1, where the model of the charging control chip 521 is CN 951.

The fet M1 is connected between the solar panel 9 and the earphone battery 6 and is controlled by the charging control chip 521 to turn on and off the M1, the power point setting unit 522 is connected between the solar panel 6 and the charging control chip 521 for setting the maximum power point of the solar panel 9, and the voltage detection comparing unit 523 is connected between the earphone battery 6 and the charging control chip 521 for feeding back the reference voltage and the output voltage of the earphone battery 6.

The charging control chip 521 compares the reference voltage fed back by the voltage detection and comparison unit 523 and the output voltage of the earphone battery 6, and then turns on or off the M1 according to the comparison result to turn on or off the charging of the earphone battery 6 by the solar panel 8.

Specifically, in the present embodiment, as shown in fig. 15, the charging control core is U2, the power point setting unit 522 includes resistors R1 and R2, and the voltage detection comparing unit 523 includes resistors R3, R4 and R5.

Wherein: one end of R1 is connected with the output end of the solar panel 8, the other end of R1 is simultaneously connected with the AMPIN-pin of U2 and one end of R2, and the other end of R2 is grounded. The resistors R1, R2 of the power point setting unit 522 are used to set the maximum power point of the solar panel 8, thereby utilizing the electric energy converted by the solar panel 8 with maximum efficiency.

One end of the resistor R3 is connected with the anode of the earphone battery, the other end is connected with the COMPIN + pin of the U2 and one end of the R4, the other end of the R4 is connected with the cathode of the earphone battery, and the two ends of the R5 are connected with the COMPIN + and COMPOUT pins of the U2. The solar panel outputs electric energy to a source S of the M1, a drain D of the M1 is connected with the positive electrode of the earphone motor, and a grid G of the M1 is connected with an AMPOUT pin and a COMPOUT pin of the U2. U2 is supplied power by solar panel, and its VCC pin connects solar panel.

Resistors R3 and R4 of the voltage detection comparing unit 523 collect output voltage of the earphone battery, R5 feeds back reference voltage, and the U2 compares the difference between the two with a preset minimum output voltage value and a preset maximum output voltage value, turns on M1 to charge the earphone battery 6 if the difference is lower than the minimum output voltage value, and turns off M1 to stop charging the earphone battery 6 if the difference is higher than the maximum output voltage value.

The solar charging management circuit 52 is also provided with a D3, a D4, a D5 anti-reflux diode, a solar input power supply filter capacitor C1, charging state indicating LED lamps D1 and D2, an LED lamp current limiting resistor R7 and a grid G pull-down resistor R6.

The embodiment of the utility model provides a portable TWS bluetooth headset device 100 of solar energy, through setting up left and right bluetooth headset and necklace type connecting piece 8, the earphone body 4 of left and right bluetooth headset sets up into two sections of rotatable coupling, and inhale with connecting block 82 magnetism of necklace type connecting piece 8 and connect fixedly, like this when the user does not use the earphone, can be fixed on the necklace type connecting piece 8 of wearing the human neck with left and right bluetooth headset actuation, hang in the front of the chest and take in and deposit, do not need the earphone box to deposit; when the earphone needs to be used, the left and right Bluetooth earphones are separated from the necklace type connecting piece 8 in front of the chest by direct force application, and then the ears are put in, so that the storage and taking are convenient, and the whole device can not occupy the storage space in a pocket or a bag of a user independently, and is very convenient to carry. Simultaneously about bluetooth headset's earphone body 4 surfaces set up solar panel 9, can not charge like this with carrying the earphone box, and directly utilize solar energy to charge for bluetooth headset, need not to worry during the outdoor use that the bluetooth headset electric quantity is not enough, battery continuation of the journey problem.

The above only for the purpose of clearly illustrating the examples of the present invention, not limiting the scope of the present invention, can't be exhausted to all the embodiments, all the concepts of the present invention, utilize the equivalent structure transformation of the content of the technical solution of the present invention, or directly/indirectly use in other related technical fields and are all included in the protection scope of the present invention.

Claims

1. A portable solar TWS Bluetooth headset device comprises a left Bluetooth headset and a right Bluetooth headset, wherein the left Bluetooth headset and the right Bluetooth headset both comprise earplugs and straight rod-shaped headset bodies which are connected with the earplugs and extend in the axial direction of the earplugs, the headset bodies are provided with circuit control units and headset batteries, loudspeakers are arranged in the earplugs, and the headset batteries and the loudspeakers are electrically connected with the circuit control units;

it is characterized in that the preparation method is characterized in that,

the TWS Bluetooth earphone device also comprises a necklace type connecting piece, wherein the necklace type connecting piece comprises a decorative wearing ring and a connecting block arranged on the decorative wearing ring, and each earphone body is connected to the connecting block in a magnetic attraction manner;

2. The solar portable TWS Bluetooth headset device of claim 1,

3. The solar portable TWS Bluetooth headset device of claim 2, wherein the sides of the rotating rod portion and the fixed rod portion are provided with a rotating shaft bushing mechanism for rotation;

4. The solar portable TWS Bluetooth headset device of claim 2, wherein the fixed rod portion and the rotating rod portion are both rectangular rods, and the solar panels are disposed on respective surfaces of the fixed rod portion and/or the rotating rod portion.

5. The solar portable TWS Bluetooth headset device of claim 1, wherein the circuit control unit comprises a Bluetooth module circuit, the Bluetooth module circuit electrically connecting the headset battery and the speaker;

6. The solar portable TWS Bluetooth headset device of claim 5, wherein the Bluetooth module circuit comprises a Bluetooth chip and a power circuit electrically connected with the Bluetooth chip, the headset body is further provided with a charging port and an MIC, the headset battery and the charging port are electrically connected with the power circuit, and the speaker and the MIC are electrically connected with the Bluetooth chip.

7. The solar portable TWS Bluetooth headset device of claim 6, wherein the power circuit comprises a charge and discharge management circuit, a voltage regulator circuit;

8. The solar energy portable TWS Bluetooth headset device of claim 7, wherein the solar charging control circuit is further electrically connected directly to a voltage regulator circuit for directly powering the Bluetooth chip.

9. The solar portable TWS Bluetooth headset device of claim 6, wherein the Bluetooth chip is model QCC 3020.

10. The solar portable TWS Bluetooth headset device of claim 5, wherein the solar charging management circuit comprises a charging control chip, a power point setting unit, a voltage detection and comparison unit and a field effect transistor M1, wherein the model of the charging control chip is CN 951;