CN212627185U - Charging circuit of wireless earphone charging device and wireless earphone charging device - Google Patents
Charging circuit of wireless earphone charging device and wireless earphone charging device Download PDFInfo
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- CN212627185U CN212627185U CN202020596050.1U CN202020596050U CN212627185U CN 212627185 U CN212627185 U CN 212627185U CN 202020596050 U CN202020596050 U CN 202020596050U CN 212627185 U CN212627185 U CN 212627185U
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Abstract
The utility model provides a charging circuit of a wireless earphone charging device, a battery is arranged in the wireless earphone charging device, the charging circuit comprises a charging input interface, a voltage reduction module, a rectification module and a power management module, the charging input interface is connected with the voltage reduction module, the voltage reduction module is connected with the rectification module, the rectification module is connected with the power management module, and the power management module is further connected with the battery; when the charging input interface is connected with an external power supply, the external power supply charges the battery through the voltage reduction module, the rectification module and the power supply management module. The utility model also provides a wireless earphone charging device. The utility model provides a wireless earphone charging device's charging circuit and wireless earphone charging device need not extra accessory charger and charging wire, and the cost is lower, and convenient to carry has just overcome charging wire overlength, the big shortcoming of impedance on the large side, can improve charge efficiency.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a technical field that charges especially relates to a wireless earphone charging device's charging circuit and wireless earphone charging device.
[ background of the invention ]
In recent years, the market of Wireless headsets has been rapidly developed, and the hottest current TWS (True Wireless Stereo) Bluetooth headset. The TWS Bluetooth headset does not need wired connection, and the wired constraint of the traditional headset is eliminated. TWS headsets are typically equipped with a built-in battery charging cartridge that serves as a storage case for the TWS headset and also allows the TWS headset to be charged.
However, currently, when charging the TWS headset charging box, a charging wire and a charger are needed. As shown in fig. 1, the charging box, the charging wire and the charging head are connected in series in sequence, and a power supply is inserted to complete charging. The accessory that the box charges is many, and is with high costs, carries inconveniently, and easily uses with the accessory of other products thoughtlessly, has the safety risk.
In view of the above, it is desirable to provide a charging circuit for a wireless headset charging device and a wireless headset charging device, so as to overcome the above-mentioned drawbacks.
[ Utility model ] content
The utility model provides a wireless earphone charging device's charging circuit and wireless earphone charging device need not extra accessory like charger, charging wire, low cost, and convenient to carry.
In a first aspect, the present invention provides a charging circuit for a wireless earphone charging device, wherein a battery is disposed in the wireless earphone charging device, the charging circuit includes a charging input interface, a voltage-reducing module, a rectifying module and a power management module, the charging input interface is connected to the voltage-reducing module, the voltage-reducing module is connected to the rectifying module, the rectifying module is connected to the power management module, and the power management module is further connected to the battery; when the charging input interface is connected with an external power supply, the external power supply charges the battery through the voltage reduction module, the rectification module and the power supply management module.
In a preferred embodiment, the voltage reducing module is configured to convert a voltage of the external power source into a charging voltage of the battery.
In a preferred embodiment, the voltage of the external power supply is 220V.
In a preferred embodiment, the rectifier module is configured to convert alternating current to direct current.
In a preferred embodiment, the power management module is further connected to an earphone interface, and the battery charges an earphone connected to the earphone interface through the power management module.
In a second aspect, the present invention further provides a wireless earphone charging device, which includes a charging box body and a charging plug; the charging plug is connected to the charging box body, a charging circuit of the wireless earphone charging device is arranged in the charging box body, and the charging plug is electrically connected with the charging input interface.
In a preferred embodiment, the charging plug is foldably or telescopically connected to the charging box body.
Compared with the prior art, the utility model provides a wireless earphone charging device's charging circuit and wireless earphone charging device, when charging input interface inserts external power supply, external power supply can be through the step-down module, rectification module and power management module charge for the battery, realized promptly that wireless earphone charging device can directly charge for the battery through external power supply (for example commercial power 220V), need not extra accessory charger and charging wire, the cost is lower, and convenient to carry, and overcome the charging wire overlength, the impedance shortcoming on the large side, can improve charging efficiency.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic block diagram of a charging accessory of a wireless headset charging box in the prior art;
fig. 2 is a schematic block diagram of a charging circuit of the wireless headset charging device provided by the present invention;
fig. 3 is the utility model provides a wireless earphone charging device's schematic structure diagram.
[ detailed description ] embodiments
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. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 2, the charging circuit 100 of the wireless earphone charging device provided by the present invention is provided with a battery 101 in the wireless earphone charging device, and the charging circuit 100 includes a charging input interface 10, a voltage-reducing module 20, a rectifying module 30 and a power management module 40.
The charging input interface 10 is connected with the voltage reduction module 20, the voltage reduction module 20 is connected with the rectification module 30, the rectification module 30 is connected with the power management module 40, and the power management module 40 is further connected with the battery 101; when the charging input interface 10 is connected to an external power source, the external power source charges the battery 101 through the voltage-reducing module 20, the rectifying module 30 and the power management module 40.
The voltage reducing module 20 is configured to convert a voltage of an external power source into a charging voltage of the battery 101. Specifically, the voltage of the external power supply is, for example, 220V of the commercial power supply, and the charging voltage of the battery 101 is, for example, 5V. The external power supply 220V connected to the charging input interface 10 converts 220V into a charging voltage 5V of the battery 101 through the voltage reduction module 20. Specifically, the voltage reducing module 20 may be a transformer that converts high-voltage ac power into low-voltage ac power. It is understood that the charging voltage of the battery 101 can be set according to actual requirements.
The rectifier module 30 is used for converting alternating current into direct current. Specifically, the ac output from the voltage-reducing module 20 is converted into dc after passing through the rectifying module 30, so as to charge the battery 101. It is understood that the rectifying module 30 may include electrical elements such as diodes, capacitors, etc., which can convert ac power into dc power.
The power management module 40 manages the charging process of the battery 101. The power management module 40 is a power management chip having functions of charging and discharging overvoltage, overcurrent, overtemperature, short-circuit protection and the like, and can charge the battery 101 more safely and reliably. It is understood that when the battery 101 is discharged (i.e. the rechargeable battery charges the earphone), the power management module 40 is also responsible for managing various parameters in the discharging process.
The utility model provides a wireless earphone charging device's charging circuit 100, when charging input interface 10 inserts external power supply, external power supply can be through step-down module 20, rectifier module 30 and power management module 40 charge for battery 101, realized promptly that wireless earphone charging device can directly charge for battery 101 through external power supply (for example commercial power 220V), need not extra accessory charger and charging wire, and is with low costs, and convenient to carry, and overcome the charging wire overlength, the big shortcoming of impedance partially, can improve charging efficiency.
Further, the power management module 40 is further connected to an earphone interface 50, and the battery 101 charges an earphone (not shown) connected to the earphone interface 50 through the power management module 40.
Referring to fig. 3, the present invention further provides a wireless earphone charging device 200, which includes a charging box body 201 and a charging plug 202; the charging plug 202 is connected to the charging box body 201, the charging circuit 100 of the wireless headset charging device according to any one of the above embodiments is disposed in the charging box body 201, and the charging plug 202 is electrically connected to the charging input interface 10.
In this embodiment, the charging plug 202 is two metal sheets disposed at an interval, and specifically, in order to reduce the volume of the wireless headset charging device 200, the charging plug 202 is disposed to be connected to the charging box body 201 in a foldable or retractable manner. It can be understood that when the charging plug 202 is plugged into a socket of an external power source, i.e. the charging input interface 10 is connected to the external power source, the external power source can charge the battery 101 through the voltage-reducing module 20, the rectifying module 30 and the power management module 40.
It should be noted that the utility model provides a wireless earphone charging device's charging circuit 100's all embodiments all are applicable to the utility model provides a wireless earphone charging device 200, and the homoenergetic can reach the same or similar beneficial effect.
To sum up, the utility model provides a wireless earphone charging device's charging circuit 100 and wireless earphone charging device 200, when charging input interface 10 inserts external power supply, external power supply can be through step-down module 20, rectifier module 30 and power management module 40 charge for battery 101, realized promptly that wireless earphone charging device can directly charge for battery 101 through external power supply (for example commercial power 220V), need not extra accessory charger and charging wire, the cost is lower, and convenient to carry, and overcome the charging wire overlength, the big shortcoming of impedance partially, can improve charging efficiency.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (6)
1. A charging circuit of a wireless earphone charging device is provided with a battery, and is characterized in that the charging circuit comprises a charging input interface, a voltage reduction module, a rectification module and a power management module, wherein the charging input interface is connected with the voltage reduction module, the voltage reduction module is connected with the rectification module, the rectification module is connected with the power management module, and the power management module is further connected with the battery; when the charging input interface is connected with an external power supply, the external power supply charges the battery through the voltage reduction module, the rectification module and the power supply management module; the power management module is also connected with an earphone interface, and the battery charges the earphone connected with the earphone interface through the power management module.
2. The charging circuit of the wireless headset charging device according to claim 1, wherein the voltage reduction module is configured to convert a voltage of the external power source into a charging voltage of the battery.
3. The charging circuit of the wireless earphone charging device according to claim 2, wherein the voltage of the external power supply is 220V.
4. The charging circuit for a wireless headset charging device according to claim 1, wherein the rectifying module is configured to convert an alternating current to a direct current.
5. A wireless earphone charging device is characterized by comprising a charging box body and a charging plug; the charging plug is connected to the charging box body, a charging circuit of the wireless earphone charging device according to any one of claims 1 to 4 is arranged in the charging box body, and the charging plug is electrically connected with the charging input interface.
6. The wireless headset charging device of claim 5, wherein the charging plug is foldably or telescopically connected to the charging box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020596050.1U CN212627185U (en) | 2020-04-21 | 2020-04-21 | Charging circuit of wireless earphone charging device and wireless earphone charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020596050.1U CN212627185U (en) | 2020-04-21 | 2020-04-21 | Charging circuit of wireless earphone charging device and wireless earphone charging device |
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| CN212627185U true CN212627185U (en) | 2021-02-26 |
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| CN202020596050.1U Active CN212627185U (en) | 2020-04-21 | 2020-04-21 | Charging circuit of wireless earphone charging device and wireless earphone charging device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113054727A (en) * | 2021-03-19 | 2021-06-29 | 深圳市亚马电子有限公司 | Earphone charging bin with adapter function |
| CN115347633A (en) * | 2022-06-30 | 2022-11-15 | 广芯微电子（广州）股份有限公司 | Charging and discharging management method, device and system for earphone cabin |
-
2020
- 2020-04-21 CN CN202020596050.1U patent/CN212627185U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113054727A (en) * | 2021-03-19 | 2021-06-29 | 深圳市亚马电子有限公司 | Earphone charging bin with adapter function |
| CN115347633A (en) * | 2022-06-30 | 2022-11-15 | 广芯微电子（广州）股份有限公司 | Charging and discharging management method, device and system for earphone cabin |
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