CN219248023U - Portable Bluetooth earphone box and charging system - Google Patents

Portable Bluetooth earphone box and charging system Download PDF

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Publication number
CN219248023U
CN219248023U CN202223451863.XU CN202223451863U CN219248023U CN 219248023 U CN219248023 U CN 219248023U CN 202223451863 U CN202223451863 U CN 202223451863U CN 219248023 U CN219248023 U CN 219248023U
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China
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piezoelectric
bluetooth headset
piezoelectric element
portable bluetooth
battery
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CN202223451863.XU
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Chinese (zh)
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陈安业
陈晨
叶竟晨
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Dongguan Huabei Electronic Technology Co Ltd
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Dongguan Huabei Electronic Technology Co Ltd
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Abstract

The utility model relates to the technical field of Bluetooth headset charging, and discloses a portable Bluetooth headset box, which comprises a piezoelectric collector, a piezoelectric element and a power supply, wherein the piezoelectric element is movably abutted against the piezoelectric element relative to the power supply; a piezoelectric collection circuit connected to the piezoelectric element; and a battery connected to the piezoelectric collection circuit; the piezoelectric element is used for pressing the piezoelectric element to enable the piezoelectric element to generate electric energy, the piezoelectric collecting circuit is used for receiving the electric energy generated by the piezoelectric element and converting the electric energy into charging voltage, and the battery is used for receiving the charging voltage of the piezoelectric collecting circuit and storing the electric energy. The earphone box is arranged on the front side of the earphone box, and the earphone box is arranged on the rear side of the earphone box. The utility model also discloses a portable Bluetooth headset charging system, which comprises the Bluetooth headset and the portable Bluetooth headset box.

Description

Portable Bluetooth earphone box and charging system
Technical Field
The utility model relates to the technical field of Bluetooth headset charging, in particular to a portable Bluetooth headset box and a charging system.
Background
The portable device is convenient for a user to carry, and can enable the user to use the related device in various scenes and obtain better experience. Especially intelligent sound equipment, such as wireless bluetooth headset equipment, can let the user experience high-level hearing enjoyment anytime and anywhere when going on a journey.
The wireless Bluetooth headset is charged through the headset box, and the headset box is small in size, light in weight and convenient for a user to carry. However, the battery power in the earphone case is limited, and it is necessary to charge the TWS earphone case at regular time, which affects portability of the TWS earphone case.
Disclosure of Invention
The utility model aims to provide a portable Bluetooth headset box and a charging system, so that a user can charge a battery by shaking the headset box anytime and anywhere, and the duration of the battery in the headset box is prolonged.
To solve the above technical problem, a first aspect of the present utility model provides a portable bluetooth headset box, including:
a piezoelectric collector including a pressing element and a piezoelectric element, the pressing element being movably abutted against the piezoelectric element with respect to the piezoelectric element; a piezoelectric collection circuit connected to the piezoelectric element; and a battery connected to the piezoelectric collection circuit; the piezoelectric element is used for pressing the piezoelectric element to enable the piezoelectric element to generate electric energy, the piezoelectric collecting circuit is used for receiving the electric energy generated by the piezoelectric element and converting the electric energy into charging voltage, and the battery is used for receiving the charging voltage of the piezoelectric collecting circuit and storing the electric energy.
A second aspect of the present utility model provides a portable bluetooth headset charging system, comprising:
the portable Bluetooth earphone box is used for supplying power to the Bluetooth earphone.
Compared with the prior art, the portable Bluetooth headset box is additionally provided with the piezoelectric collector and the piezoelectric collecting circuit connected with the piezoelectric collector, and the piezoelectric collecting circuit is connected with a battery of the headset box. The piezoelectric collector comprises a pressing element and a piezoelectric element, wherein the pressing element is movably abutted against the piezoelectric element relative to the piezoelectric element. Thus, the user can charge the battery by shaking the earphone box anytime and anywhere. In the process of shaking the earphone box, the pressurizing element extrudes the piezoelectric element to enable the piezoelectric element to generate electric energy; the piezoelectric collecting circuit collects electric energy generated by the piezoelectric element and converts the electric energy into charging voltage to charge the battery. In the walking or running process of the user, the battery can be charged through shaking of the earphone box, and the endurance time of the battery in the earphone box can be prolonged.
Optionally, the piezoelectric elements are two, and the pressing element is located between the two piezoelectric elements. The two piezoelectric elements are arranged, and the pressurizing element is arranged between the two piezoelectric elements, so that when a user shakes the portable Bluetooth headset box, the piezoelectric elements can be extruded by the pressurizing element to vibrate in two opposite directions, and electric energy is generated by the piezoelectric element.
Optionally, the piezoelectric collection circuit and the battery are located inside the shell; the two piezoelectric elements are fixedly connected to the inside of the shell, the pressurizing element is provided with two opposite ends, and the two ends of the pressurizing element are connected to the inside of the shell through elastic pieces. The portable Bluetooth headset box comprises a shell, and a piezoelectric collection circuit and a battery are arranged in the shell. The two piezoelectric elements are fixedly connected to the inside of the shell, the pressing element is provided with two opposite ends, and the two ends of the pressing element are connected to the inside of the shell through the elastic piece. In this way, the housing protects the piezoelectric collection circuit, the battery, the pressurizing element, and the piezoelectric element. In addition, the two ends of the pressurizing element are connected in the shell through the elastic piece, so that the pressurizing element is in a suspended state, when a user shakes the portable Bluetooth earphone box, the amplitude of the pressurizing element is larger, charging is facilitated, and the pressurizing element can be reset through the elastic piece. The two piezoelectric elements are fixedly connected with the shell, so that the pressurizing element moves relative to the two piezoelectric elements and presses the piezoelectric elements when the portable Bluetooth earphone box shakes, and the piezoelectric elements are ensured to convert mechanical energy of the pressurizing element into electric energy.
Optionally, the shell comprises two fixing beams, and the two fixing beams are respectively fixedly connected with two opposite inner side walls of the shell and extend towards the directions approaching to each other; the piezoelectric elements are fixed on the fixed beams in a one-to-one correspondence manner, and the two piezoelectric elements are positioned between the two fixed beams. The shell comprises two fixing beams which are respectively fixedly connected with two opposite inner side walls of the shell and extend towards the directions close to each other. The piezoelectric elements are fixed on the fixed beams in a one-to-one correspondence manner, and the two piezoelectric elements are positioned between the two fixed beams. That is, the piezoelectric element is disposed at a position far from the inner side wall of the housing by the fixing beam, and the pressurizing element has a large vibration space when the portable Bluetooth headset case is shaken.
Optionally, the pressing element is made of an insulating material, and the piezoelectric element is a piezoelectric ceramic. The pressurizing elements are made of insulating materials, so that interference caused by conduction of the pressurizing elements when the two piezoelectric elements generate electric energy is prevented. The piezoelectric element adopts piezoelectric ceramics, and has high sensitivity, high hardness and durability.
Optionally, the piezoelectric collecting circuit includes a voltage conversion chip, the voltage conversion chip is connected with the piezoelectric element and the battery, and the voltage conversion chip is used for receiving the electric energy generated by the piezoelectric element and converting the electric energy into a charging voltage.
Optionally, the voltage conversion chip includes a voltage stabilizing circuit, and the voltage stabilizing circuit is used for stabilizing the charging voltage output by the voltage conversion chip.
Optionally, the battery charger further comprises a charging management chip, and the voltage conversion chip is connected with the battery through the charging management chip.
Optionally, the charging protection circuit is further included, and the charging protection circuit is used for sending trigger information to the charging management chip.
Drawings
One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which the figures of the drawings are not to be taken in a limiting sense, unless otherwise indicated.
Fig. 1 is a schematic structural view of a piezoelectric collector of a portable bluetooth headset case according to a first embodiment of the present utility model;
fig. 2 is a schematic connection diagram of a piezoelectric collector and a piezoelectric collecting circuit of a portable bluetooth headset case according to a first embodiment of the present utility model;
fig. 3 is a schematic diagram of a piezoelectric collecting circuit of a portable bluetooth headset case according to a first embodiment of the present utility model.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in detail below with reference to the accompanying drawings. However, those of ordinary skill in the art will understand that in various embodiments of the present utility model, numerous technical details have been set forth in order to provide a better understanding of the present application. However, the technical solutions claimed in the claims of the present application can be realized without these technical details and various changes and modifications based on the following embodiments.
In the embodiments of the present utility model, terms such as "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate azimuth or positional relationship based on that shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.
Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, the terms "mounted," "configured," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, the terms "first," "second," and the like, are used primarily to distinguish between different devices, elements, or components (in particular
And may be the same or different), and is not intended to indicate or imply relative 5-importance or number of indicated devices, elements or components. Unless otherwise indicated, the meaning of "a plurality" is two or more.
The portable bluetooth headset is the portable equipment that current people widely used, and the continuation of journey of portable bluetooth headset is accomplished through holding the battery that sets up in the portable bluetooth headset box of bluetooth headset and charging, and the electric quantity of battery in the portable bluetooth headset box is limited, needs the timing to charge. When the user goes out, there may be a case where it is inconvenient to charge the portable bluetooth headset case
The condition is as follows. Based on this, the inventor invents a portable bluetooth headset box, and when keeping the original charging mode 0 of the portable bluetooth headset box, through adding an auxiliary charging module in the portable bluetooth headset box, the auxiliary charging module can collect vibration
The energy is converted into electric energy, so that the battery of the portable Bluetooth headset box is charged, and the charging mode of the portable Bluetooth headset box is increased. When the user moves, supplementary module of charging collects vibration energy and charges, and when the user is leisure, the user also can charge the battery through rocking portable bluetooth headset box, and the duration of battery in the extension portable bluetooth headset box, and then the duration of extension bluetooth headset.
5 a first embodiment of the present utility model relates to a portable bluetooth headset case, as shown in fig. 1 and 2, comprising: pressing
The electrical collector 100 comprises a pressing element 110 and a piezoelectric element 120, wherein the pressing element 110 is movably abutted against the piezoelectric element 120 relative to the piezoelectric element 120. The piezoelectric collection circuit 200 is connected to the piezoelectric element 120. And a battery 300 connected to the piezoelectric collection circuit 200. Wherein the pressing element 110 is used for pressing the piezoelectric element 120 to enable the piezoelectric element 120 to generate electric energy, and collecting piezoelectricity
The circuit 200 is configured to receive the electric energy generated by the piezoelectric element 120 and convert the electric energy into a charging voltage, and the battery 300 is configured to receive the charging voltage of the piezoelectric harvesting 0 circuit 200 and store the electric energy.
Compared with the prior art, the portable Bluetooth headset box is additionally provided with the piezoelectric collector 100 and the piezoelectric collecting circuit 200 connected with the piezoelectric collector 100, and the piezoelectric collecting circuit 200 is connected with the battery 300 of the headset box. Wherein the piezoelectric collector 100 comprises a pressing element 110 and a piezoelectric element 120, the pressing element 110 is movably abutted against the piezoelectric element 120
A piezoelectric element 120. In this way, the user can charge the battery 300 by shaking the earphone case whenever and wherever possible. In the process of shaking the earphone box 5, the pressurizing element 110 presses the piezoelectric element 120, so that the piezoelectric element 120 generates electric energy; piezoelectric collection circuit 200
The electric energy generated by the piezoelectric element 120 is collected and converted into a charging voltage to charge the battery 300. In the process of walking or running of the user, the battery 300 can be charged by shaking the earphone box, so that the duration of the battery 300 in the earphone box can be prolonged.
Specifically, the piezoelectric elements 120 are two, and the pressing element 110 is located between the two piezoelectric elements 120. Two presses are arranged
The electric element 120 and the pressing element 110 are disposed between the two piezoelectric elements 120 such that when the user shakes the portable blue 0-tooth earphone box, the piezoelectric elements 120 are pressed by the vibration of the pressing element 110 in two opposite directions, so that the piezoelectric elements 120 generate electric power.
Further, the pressing element 110 is dumbbell-shaped, that is, the two ends of the pressing element 110 are provided with protrusions, the protrusions at the two ends form a groove in the middle of the pressing element 110, and the two piezoelectric elements 120 are located in the groove, so that the pressing element 120 is prevented from being separated from contact with the two piezoelectric elements 120 during shaking.
In this embodiment, the portable bluetooth headset case includes a housing 400, and the piezoelectric harvesting circuit 200 and the battery 300 are located inside the housing 400. The two piezoelectric elements 120 are fixedly connected to the inside of the housing 400, the pressing element 110 has opposite ends, and both ends of the pressing element 110 are connected to the inside of the housing 400 via the elastic member 130. In this way, the housing 400 protects the piezoelectric harvesting circuit 200, the battery 300, the pressurizing element 110, and the piezoelectric element 120. In addition, the two ends of the pressing element 110 are connected in the housing 400 via the elastic member 130, so that the pressing element 110 is in a suspended state, when the portable bluetooth headset box is swayed by a user, the amplitude of the pressing element 110 is larger, the charging is facilitated, and the elastic member 130 can reset the pressing element 110. The two piezoelectric elements 120 are fixedly connected to the housing 400, so that the pressure element 110 moves relative to the two piezoelectric elements 120 and presses the piezoelectric elements 120 when the portable bluetooth headset box is in shake, and the piezoelectric elements 120 are ensured to convert mechanical energy of the pressure element 110 into electric energy.
Specifically, the housing 400 includes two fixing beams, which are respectively fixedly connected to two opposite inner sidewalls of the housing 400 and extend toward directions approaching each other. The piezoelectric elements 120 are fixed to the fixed beams in a one-to-one correspondence, and the two piezoelectric elements 120 are located between the two fixed beams. That is, the piezoelectric element 120 is disposed at a position far from the inner side wall of the housing 400 by the fixing beam, and when the portable bluetooth headset case is shaken, the pressing element 120 has a large vibration space.
More specifically, the two fixed beams are a first fixed beam 411 and a second fixed beam 412, respectively, and the two piezoelectric elements 120 are a first piezoelectric element 121 and a second piezoelectric element 122, respectively. The first piezoelectric element 121 is fixedly connected to the end of the first fixed beam 411 near the second fixed beam 412, the second piezoelectric element 122 is fixedly connected to the end of the second fixed beam 412 near the first fixed beam 411, and the pressing element 110 is located between the first piezoelectric element 121 and the second piezoelectric element 122 and simultaneously contacts the first piezoelectric element 121 and the second piezoelectric element 122.
Further, the housing 400 further includes a third fixed beam 413 and a fourth fixed beam 414. The third and fourth fixing beams 413 and 414 are respectively disposed on two inner sidewalls of the housing 400 disposed opposite to each other, and the two inner sidewalls are different from the inner sidewalls on which the first and second fixing beams 411 and 412 are disposed. The number of the elastic pieces 130 is two, namely a first elastic piece 131 and a second elastic piece 132, the first elastic piece 131 is provided with two opposite ends, one end of the first elastic piece is connected with the third fixed beam 413, and the other end of the first elastic piece is connected with the pressurizing element 110; similarly, the second elastic member 132 has opposite ends, one end being connected to the fourth fixed beam 414 and the other end being connected to the pressing member 110.
In the present embodiment, the pressing element 110 is made of an insulating material, and the piezoelectric element 120 is a piezoelectric ceramic. The pressing element 110 is made of an insulating material, so that interference caused by conduction of the pressing element 110 when the two piezoelectric elements 120 generate electric energy is prevented. The piezoelectric element 120 is made of piezoelectric ceramics, and has high sensitivity, high hardness and durability.
In this embodiment, the piezoelectric harvesting circuit 200 includes a voltage conversion chip 210, where the voltage conversion chip 210 connects the piezoelectric element 120 and the battery 300, and the voltage conversion chip 210 is configured to receive the electric energy generated by the piezoelectric element 120 and convert the electric energy into a charging voltage.
It is understood that the voltage conversion chip 210 is connected to both the first piezoelectric element 121 and the second piezoelectric element 122.
Referring to fig. 3, the voltage conversion chip 210 includes a rectifying circuit 211, and the rectifying circuit 211 is connected to the first piezoelectric element 121 and the second piezoelectric element 122.
More specifically, the voltage conversion chip 210 includes a voltage stabilizing circuit 212, and the voltage stabilizing circuit 212 is configured to stabilize the charging voltage output by the voltage conversion chip 210. In addition, the voltage conversion chip 210 further includes a voltage conversion chip controller 213, and the voltage conversion chip 213 is used to control the rectifying circuit 211 and the voltage stabilizing circuit 212.
In the present embodiment, the piezoelectric harvesting circuit 200 further includes a charge management chip 220, and the voltage conversion chip 210 is connected to the battery 300 via the charge management chip 220. The charge management chip 220 is used for charge information management, so that the charge voltage output by the voltage conversion chip 210 is matched with the battery 300, and normal charge is ensured.
Further, the piezoelectric harvesting circuit 200 further includes a charge protection circuit 230, where the charge protection circuit 230 is configured to send trigger information to the charge management chip 220. Specifically, the charge protection circuit 230 confirms whether the charging process is normal by detecting the state of the battery 300. When the charging process is abnormal, the charging protection circuit 230 sends trigger information to the charging management chip 220, and the charging management chip 220 regulates and controls the charging process according to the trigger information to protect the battery 300 and prevent the battery 300 from being damaged.
A second embodiment of the present utility model relates to a portable bluetooth headset charging system, comprising a bluetooth headset and a portable bluetooth headset case as described above, the bluetooth headset being detachably arranged in the portable bluetooth headset case, the portable bluetooth headset case being adapted to supply power to the bluetooth headset.
So configured, the user can charge the battery 300 in the course of walking or running, or, when the user is convenient, the portable bluetooth headset box can be held by hand and rocked to charge the battery 300, so that the user can charge the portable bluetooth headset box and the bluetooth headset conveniently when the socket is not provided, and the endurance time of the bluetooth headset is prolonged.
The portable bluetooth headset case and the charging system according to the embodiments of the present utility model have been described in detail, and specific examples are used herein to illustrate the principles and embodiments of the present utility model, and the description of the embodiments is only for aiding in understanding the concept of the present utility model, and the description should not be construed as limiting the utility model.

Claims (10)

1. A portable bluetooth headset box, comprising:
a piezoelectric collector including a pressing element and a piezoelectric element, the pressing element being movably abutted against the piezoelectric element with respect to the piezoelectric element;
a piezoelectric collection circuit connected to the piezoelectric element; and
a battery connected to the piezoelectric collection circuit;
the piezoelectric element is used for pressing the piezoelectric element to enable the piezoelectric element to generate electric energy, the piezoelectric collecting circuit is used for receiving the electric energy generated by the piezoelectric element and converting the electric energy into charging voltage, and the battery is used for receiving the charging voltage of the piezoelectric collecting circuit and storing the electric energy.
2. The portable bluetooth headset of claim 1, wherein the number of piezoelectric elements is two, and the pressing element is located between the two piezoelectric elements.
3. The portable bluetooth headset of claim 2, further comprising a housing, wherein the piezoelectric harvesting circuit and the battery are located inside the housing;
the two piezoelectric elements are fixedly connected to the inside of the shell, the pressurizing element is provided with two opposite ends, and the two ends of the pressurizing element are connected to the inside of the shell through elastic pieces.
4. A portable bluetooth headset according to claim 3, wherein the housing includes two fixed beams therein, the two fixed beams being fixedly connected to two oppositely disposed inner side walls of the housing, respectively, and extending in directions approaching each other; the piezoelectric elements are fixed on the fixed beams in a one-to-one correspondence manner, and the two piezoelectric elements are positioned between the two fixed beams.
5. The portable bluetooth headset cartridge according to any one of claims 1 to 4, wherein the pressing member is made of an insulating material, and the piezoelectric member is a piezoelectric ceramic.
6. The portable bluetooth headset of any one of claims 1-4, wherein the piezoelectric harvesting circuit includes a voltage conversion chip that connects the piezoelectric element and the battery, the voltage conversion chip configured to receive electrical energy generated by the piezoelectric element and convert the electrical energy to a charging voltage.
7. The portable bluetooth headset box according to claim 6, wherein the voltage conversion chip includes a voltage stabilizing circuit for stabilizing a charging voltage outputted from the voltage conversion chip.
8. The portable bluetooth headset cartridge of claim 6, further comprising a charge management chip, the voltage conversion chip being connected to the battery via the charge management chip.
9. The portable bluetooth headset cartridge of claim 8, further comprising a charge protection circuit for sending trigger information to the charge management chip.
10. A portable bluetooth headset charging system, comprising a bluetooth headset and a portable bluetooth headset case according to any of claims 1-9, the bluetooth headset being detachably arranged in the portable bluetooth headset case, the portable bluetooth headset case being adapted to supply power to the bluetooth headset.
CN202223451863.XU 2022-12-21 2022-12-21 Portable Bluetooth earphone box and charging system Active CN219248023U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223451863.XU CN219248023U (en) 2022-12-21 2022-12-21 Portable Bluetooth earphone box and charging system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223451863.XU CN219248023U (en) 2022-12-21 2022-12-21 Portable Bluetooth earphone box and charging system

Publications (1)

Publication Number Publication Date
CN219248023U true CN219248023U (en) 2023-06-23

Family

ID=86846893

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223451863.XU Active CN219248023U (en) 2022-12-21 2022-12-21 Portable Bluetooth earphone box and charging system

Country Status (1)

Country Link
CN (1) CN219248023U (en)

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