CN210725272U

CN210725272U - Earphone charging box

Info

Publication number: CN210725272U
Application number: CN201922280154.1U
Authority: CN
Inventors: 张名雷
Original assignee: Goertek Techology Co Ltd
Current assignee: Goertek Techology Co Ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-06-09
Anticipated expiration: 2029-12-17

Abstract

The utility model provides a charging box for earphones, which comprises an electricity storage module and a first charging interface, wherein the output end of the electricity storage module is connected with the first charging interface; the earphone charging box also comprises a signal input end, a second charging interface, a controller and a first electronic switch; a first input end of the controller is connected with the signal input end, and a first output end of the controller is connected with a controlled end of the first electronic switch; the input end of the first electronic switch is connected with the output end of the electricity storage module, and the output end of the first electronic switch is connected with the second charging interface; the technical scheme of the utility model, can solve the earphone and charge the box and can only charge for the earphone, can not charge for other electronic product outside the earphone problem.

Description

Earphone charging box

Technical Field

The utility model relates to a technical field that charges, in particular to earphone box that charges.

Background

TWS (true wireless stereo) earphones are increasingly popular with people because they are not bound by wires, are easy to operate and carry. Such headsets typically use a headset charging box to charge them.

However, often, the earphone charging box can only charge the earphone, but cannot charge other electronic products such as a mobile phone and a tablet computer.

SUMMERY OF THE UTILITY MODEL

The utility model provides an earphone charging box aims at solving the earphone and charges the box and can only charge for the earphone, can not give other electronic product's problem.

In order to achieve the above object, the utility model provides an earphone charging box, which comprises an electricity storage module and a first charging interface, wherein the output end of the electricity storage module is connected with the first charging interface; the earphone charging box also comprises a signal input end, a second charging interface, a controller and a first electronic switch;

a first input end of the controller is connected with the signal input end, and a first output end of the controller is connected with a controlled end of the first electronic switch; the input end of the first electronic switch is connected with the output end of the electricity storage module, and the output end of the first electronic switch is connected with the second charging interface;

the controller is arranged to output a control signal to the first electronic switch when receiving a trigger signal input by the signal input end;

the first electronic switch is set to be switched on according to the control signal, so that the electricity storage module charges an electronic product connected with the second charging interface.

Optionally, the first charging interface is an earphone charging interface, and the second charging interface at least comprises a USB charging interface and an apple high-speed multifunctional charging interface.

Optionally, the earphone charging box further includes a key module, and an output end of the key module is connected with the first input end of the controller;

and the key module is used for outputting a trigger signal to the controller when being triggered.

Optionally, the key module includes a control switch and a first resistor, a first end of the control switch is grounded, and a second end of the control switch is connected to the first input end of the controller;

the first end of the first resistor is connected with the output end of the electricity storage module, and the second end of the first resistor is connected with the second end of the control switch.

Optionally, the earphone charging box further comprises a prompt module;

the controlled end of the prompting module is connected with the second output end of the controller, the input end of the prompting module is connected with the output end of the electricity storage module, and the output end of the prompting module is grounded.

Optionally, the prompting module includes a second electronic switch, a second resistor, and a light emitting diode;

the anode of the light-emitting diode is connected with the output end of the electricity storage module, and the cathode of the light-emitting diode is connected with the first end of the second resistor; the second end of the second resistor is connected with the input end of the second electronic switch, the output end of the second electronic switch is grounded, and the controlled end of the second electronic switch is connected with the second output end of the controller.

Optionally, the second electronic switch is a PNP triode or an NPN triode.

Optionally, the first electronic switch is an N-type insulating field effect transistor or a P-type insulating field effect transistor.

Optionally, the earphone charging box further comprises a voltage detection circuit, an input end of the voltage detection circuit is connected with an output end of the electricity storage module, and an output end of the voltage detection circuit is connected with a second input end of the controller.

Optionally, the voltage detection circuit includes a third resistor and a fourth resistor;

the first end of the third resistor is connected with the output end of the electricity storage module, the second end of the third resistor and the first end of the fourth resistor are both connected with the second input end of the controller, and the second end of the fourth resistor is grounded.

The technical scheme of the utility model, the box integration is used for the interface that charges for the second of other electronic product power supplies outside the earphone at the earphone, when the user needs to charge for other electronic product, through signal input part input trigger signal to controller, the controller switches on according to the first electronic switch of received trigger signal control, when first electronic switch switches on, the electricity storage module communicates with the second interface that charges, the user can charge for other electronic product through the second interface that charges, so set up, make the earphone charge box can charge for the earphone, also can supply power for other electronic product outside the earphone, the user trip no longer need carry a plurality of battery charging outfit, user experience degree is higher.

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 block diagram of an embodiment of the earphone charging box of the present invention;

fig. 2 is a block diagram of another embodiment of the earphone charging box of the present invention;

FIG. 3 is a schematic circuit diagram of an embodiment of the key module shown in FIG. 2;

fig. 4 is a block diagram of another embodiment of the earphone charging box of the present invention;

FIG. 5 is a schematic circuit diagram of an embodiment of the hint module shown in FIG. 4;

fig. 6 is a block diagram of a charging box for an earphone according to another embodiment of the present invention;

fig. 7 is a schematic circuit diagram of an embodiment of the voltage detection circuit in fig. 6.

The reference numbers illustrate:

10	electricity storage module	20	Controller
				30	First electronic switch	40	First charging interface
50	Second charging interface	60	Key module
				70	Prompt module	80	Voltage detection circuit
Q2	Second electronic switch	D1	Light emitting diode
				R1	A first resistor	R2	Second resistance
R3	Third resistance	R4	Fourth resistor
				S1	Control switch

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

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, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications 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 indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides an earphone charging box.

Referring to fig. 1, the earphone charging box includes an electricity storage module 10 and a first charging interface 40, an output terminal of the electricity storage module 10 is connected to the first charging interface 40, and the earphone charging box further includes a signal input terminal, a controller 20, a first electronic switch 30, and a second charging interface 50.

A first input terminal of the controller 20 is connected to the signal input terminal, and a first output terminal of the controller 20 is connected to the controlled terminal of the first electronic switch 30; the input end of the first electronic switch 30 is connected to the output end of the power storage module 10, and the output end of the first electronic switch 30 is connected to the second charging interface 50.

The controller 20 may be a microprocessor such as a single chip, a DSP, or an FPGA, and software programs and modules for analyzing and processing the received trigger signals may be integrated in the controller 20. The controller 20 is configured to, when receiving a trigger signal input by the signal input terminal, invoke an internal program and a module thereof to generate a control signal according to the trigger signal and output the control signal to the first electronic switch 30.

The first electronic switch 30 may be various transistors, such as a P-type insulating fet, an N-type insulating fet, a PNP transistor, or an NPN transistor. The first electronic switch 30 is configured to be turned on according to a control signal output by the controller 20, so that the power storage module 10 is communicated with the second charging interface 50, and a user can charge other electronic products except the earphone through the second charging interface 50.

The first charging interface 40 is a charging interface for a headset, and is used for charging a TWS (true wireless stereo) headset.

The second charging interface 50 at least includes a Micro USB charging interface and an apple high-speed multifunctional charging interface (Lightning interface), but is not limited thereto.

The specific working principle of the earphone charging box is as follows: the earphone power supply circuit and the power supply circuits of other electronic products except the earphones are integrated in the earphone charging box. The default earphone charging circuit is always in a smooth state, and a user can charge the earphone through the first charging interface 40 at any time. That is, when the user inserts the earphone into the first charging interface 40, the power storage module 10 in the earphone charging box can charge the inserted earphone, and the power storage module 10 can be a rechargeable battery. The power supply lines of the electronic products other than the earphones are controlled by the controller 20, and in a default state, the first electronic switch 30 is turned off, and the charging lines of the electronic products other than the earphones are in a disconnected state. When a user needs to charge an electronic product other than the earphone, such as an android phone, an apple cell phone, etc., the user may provide a trigger signal for the controller 20 through the signal input end, for example, the trigger signal may be provided for the controller 20 through a key module of the earphone charging box. When the controller 20 receives the trigger signal input by the signal input terminal, the controller 20 generates a control signal, which may be a high-level electrical signal or a low-level electrical signal, and outputs the control signal to the controlled terminal of the first electronic switch 30, specifically, the control signal is set according to the conduction condition of the first electronic switch 30. When the first electronic switch 30 receives the control signal output by the controller 20, the first electronic switch 30 is switched from the off state to the on state. When the first electronic switch 30 is in the on state, the power storage module 10 is communicated with the second charging interface 50, and the user inserts the electronic product to be charged into the second charging interface 50, so that the electronic product to be charged can be charged.

The technical scheme of this embodiment, the integrated second that is used for supplying power for other electronic products beyond the earphone of earphone charging box charges interface 40 at the earphone, when the user needs to charge for other electronic products, through signal input part input trigger signal to controller 20, controller 20 switches on according to the first electronic switch 30 of received trigger signal control, when first electronic switch 30 switches on, accumulate module 10 and the second interface 50 intercommunication that charges, the user can charge for other electronic products through the second interface 50 that charges, so set up, make the earphone of this embodiment charge the box and can charge for the earphone, also can supply power for other electronic products beyond the earphone, the user trip no longer need carry a plurality of battery charging outfit, user experience degree is higher.

Optionally, referring to fig. 2, in an embodiment, the earphone charging box further includes a key module 60, and an output terminal of the key module 60 is connected to the first input terminal of the controller 20.

The key module 60 is configured to output a trigger signal to a first input terminal of the controller 20 when triggered. Specifically, when a user needs to use the earphone charging box to charge other electronic products, the key module 60 may be operated, for example, a key is pressed for a long time, and the key module 60 outputs a trigger signal to the controller 20 when receiving a key operation of the user. The trigger signal may be a low level trigger signal, and the first input terminal of the controller 20 may be one of the IO ports of the controller 20. In a default state, the IO port of the controller 20 is pulled up to a high level, and when the user operates the key module 60, the IO port of the controller 20 is pulled down to a low level. When the controller 20 detects that the IO port thereof is switched from the high level to the low level, the controller 20 controls the first electronic switch 30 to be switched from the off state to the on state, so that the user can charge other electronic products through the second charging interface 50.

Optionally, referring to fig. 3, in an embodiment, the key module 60 includes a control switch S1 and a first resistor R1, a first terminal of the control switch S1 is connected to ground, and a second terminal of the control switch S1 is connected to a first input terminal of the controller 20; a first terminal of the first resistor R1 is connected to the output terminal of the power storage module 10, and a second terminal of the first resistor R1 is connected to the second terminal of the control switch S1.

Specifically, when the control switch S1 is turned off, the first input terminal of the controller 20, i.e., the IO port of the controller 20 connected to the second terminal of the control switch S1, is pulled up to a high level due to the pull-up action of the first resistor R1. When the user needs to charge other electronic products, the user presses the touch switch S1 to close the control switch S1. When the control switch S1 is closed, the power storage module 10, the first resistor R1, and the control switch S1 are grounded to form a loop, and the IO port of the controller 20 is switched from high level to low level. When the controller 20 detects that the IO port thereof is switched from the high level to the low level, the controller 20 controls the first electronic switch 30 to be switched from the off state to the on state, so that the user can charge other electronic products through the second charging interface 50.

Optionally, referring to fig. 4, in an embodiment, the earphone charging box further comprises a prompt module 70; the controlled end of the prompting module 70 is connected to the second output end of the controller 20, the input end of the prompting module 70 is connected to the output end of the power storage module 10, and the output end of the prompting module 70 is grounded.

The prompt module 70 is configured to send a prompt message when receiving a prompt signal output by a second output terminal of the controller 20. The prompt signal at the output end of the controller 20 may be a high-level prompt signal or a low-level prompt signal, and may be specifically set according to internal components of the prompt module 70. The prompt information may be to turn on a light, change the color of the light, and the like, and the prompt module 70 sends the prompt information to inform the user that the power supply lines of other electronic products are turned on, so that the user can charge the other electronic products through the second charging interface 50.

Optionally, referring to fig. 5, in an embodiment, the prompting module 70 includes a second electronic switch Q2, a second resistor R2, and a light emitting diode D1;

the anode of the light emitting diode D1 is connected to the output end of the electricity storage module 10, and the cathode of the light emitting diode D1 is connected to the first end of the second resistor R2; a second terminal of the second resistor R2 is connected to the input terminal of the second electronic switch Q, an output terminal of the second electronic switch Q2 is grounded, and a controlled terminal of the second electronic switch Q2 is connected to a second output terminal of the controller 20.

The second electronic switch Q2 may be a PNP transistor or an NPN transistor, and may also be an insulating field effect transistor, etc., without limitation.

The second output terminal of the controller 20 is one of the IO ports of the controller 20, and the IO port outputs an electrical signal with a set level in a default state, so that the second electronic switch Q2 is in an off state, for example, if the second electronic switch Q2 is a PNP transistor, the second output terminal of the controller 20 outputs an electrical signal with a high level in the default state, so that the second electronic switch Q2 is in the off state by default; if the second electronic switch Q2 is an NPN transistor, the second output terminal of the controller 20 outputs a low-level electrical signal in a default state, so that the second electronic switch Q2 is in an off state by default. When a user inputs a trigger signal to the controller 20 through the signal input terminal, the first output terminal of the controller 20 outputs a control signal to the first electronic switch 30 to control the first electronic switch 30 to be turned on, so that the power supply lines of other electronic products are turned on. Meanwhile, the second output terminal of the controller 20 outputs a prompt signal, which may be high level or low level, and specifically may be set according to the on condition of the second electronic switch Q2, for example, if the second electronic switch Q2 is a PNP transistor, the prompt signal output by the second output terminal of the controller 20 is an electrical signal with low level, so that the second electronic switch Q2 is switched from the off state to the on state; if the second electronic switch Q2 is an NPN transistor, the prompt signal output by the second output terminal of the controller 20 is an electrical signal with a high level, so that the second electronic switch Q2 is switched from the off state to the on state. When the second electronic switch Q2 receives the prompt signal output by the second output terminal of the controller 20, the second electronic switch Q2 is turned on. When the second electronic switch Q2 is turned on, the power storage module 10, the light emitting diode D1 and the second electronic switch Q2 are grounded to form a loop, and the light emitting diode D1 is turned on to notify a user that power supply lines of other electronic products are turned on, so that the user can charge the other electronic products through the second charging interface 50.

Optionally, referring to fig. 6, in an embodiment, the earphone charging box further includes a voltage detection circuit 80, an input terminal of the voltage detection circuit 80 is connected to the output terminal of the power storage module 10, and an output terminal of the battery voltage detection circuit 80 is connected to the second input terminal of the controller 20.

This voltage detection circuit 80 for detect the residual capacity of electricity storage module 10 in the earphone charging box, and transmit the residual capacity of electricity storage module 10 to controller 20, in order to supply controller 20 to carry out corresponding operation, for example, controller 20 shows the residual capacity of received electricity storage module 10 through the display screen of earphone charging box, or, when the residual capacity of electricity storage module 10 is less than preset electric quantity threshold value, alarm device through earphone charging box sends out alarm information, in order to remind the user in time to charge for electricity storage module 10, further improve user's experience.

Optionally, referring to fig. 7, in an embodiment, the voltage detection circuit 80 includes a third resistor R3 and a fourth resistor R4; a first end of the third resistor R3 is connected to the output terminal of the power storage module 10, a second end of the third resistor R3 and a first end of the fourth resistor R4 are both connected to the second input terminal of the controller 20, and a second end of the fourth resistor R4 is grounded.

Specifically, a common point between the third resistor R3 and the fourth resistor R4 is connected to a second input terminal of the controller 20, and the second input terminal of the controller 20 may be an ADC pin of the controller 20. The third resistor R3 and the fourth resistor R4 have a voltage dividing function to divide the voltage output by the power storage module 10. The controller 20 detects a voltage parameter or a current parameter of a common point between the third resistor R3 and the fourth resistor R4 through the second input end thereof, determines the current remaining capacity of the power storage module 10 according to the acquired voltage parameter or current parameter, and performs corresponding operations, so that the earphone charging box can be used for charging other electronic products, and has a capacity reminding function, which is closer to the actual demand of a user.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. An earphone charging box comprises an electricity storage module and a first charging interface, wherein the output end of the electricity storage module is connected with the first charging interface; the earphone charging box is characterized by further comprising a signal input end, a second charging interface, a controller and a first electronic switch;

2. The earphone charging box according to claim 1, wherein the first charging interface is an earphone charging interface, and the second charging interface comprises at least a USB charging interface and an apple high-speed multifunctional charging interface.

3. The earphone charging box of claim 2, further comprising a key module, an output of the key module being connected to the first input of the controller;

4. The earphone charging box of claim 3, wherein the key module comprises a control switch and a first resistor, a first end of the control switch is connected to ground, and a second end of the control switch is connected to the first input end of the controller;

5. The earphone charging box of claim 1, further comprising a reminder module;

6. The earphone charging box of claim 5, wherein the prompting module comprises a second electronic switch, a second resistor, and a light emitting diode;

7. The headset charging box of claim 6, wherein the second electronic switch is a PNP transistor or an NPN transistor.

8. The earphone charging box of claim 1, wherein the first electronic switch is an N-type insulating fet or a P-type insulating fet.

9. A headset charging box according to any of claims 1 to 8, further comprising a voltage detection circuit, an input of the voltage detection circuit being connected to an output of the power storage module, an output of the voltage detection circuit being connected to a second input of the controller.

10. The earphone charging box of claim 9, wherein the voltage detection circuit comprises a third resistor and a fourth resistor;