CN210130481U - Multimedia adapter with TWS earphone storage function - Google Patents
Multimedia adapter with TWS earphone storage function Download PDFInfo
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- CN210130481U CN210130481U CN201920180876.7U CN201920180876U CN210130481U CN 210130481 U CN210130481 U CN 210130481U CN 201920180876 U CN201920180876 U CN 201920180876U CN 210130481 U CN210130481 U CN 210130481U
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Abstract
A multimedia adapter with a TWS earphone can be used as a charging box for accommodating the earphone and a streaming media intelligent player and can be connected with a mobile phone. The main control circuit is arranged in the shell and can receive streaming media, the front face of the shell is provided with a display screen and a loudspeaker for playing the streaming media, and the main control circuit is also internally provided with a switch control module for playing the streaming media in a mode of combining the display screen and the loudspeaker or a mode of combining the display screen and the TWS earphone in a waking-up mode of the TWS earphone through voice, touch or picking. This multimedia adaptation machine through set up the main control circuit that has a plurality of functional modules in the casing openly sets up display screen and casing for it can regard as the earphone of accomodating the TWS earphone to charge the box, can regard as the mobile terminal of its online through speech input control again, still can regard as small-size mobile router. When going out for travel, the portable multifunctional mobile carrier is convenient to carry and has strong functions.
Description
Technical Field
The utility model relates to an earphone box that charges, in particular to broadcast multimedia information and earphone box that charges as an organic whole accomodate multimedia adapter of TWS earphone.
Background
The earphone charging box in the prior art is a device which can contain an earphone and charge the earphone, and only a charging circuit for charging the earphone is arranged in the earphone charging box.
With the rapid development of science and technology and the continuous pursuit of people to high-tech intelligent products, the earphone charging box in the prior art is not superior to the prior art because of too few functions, and for some people, even people can feel that carrying it out is burdensome.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a both can regard as the box that charges who accomodates the earphone, can regard as flow media intelligence player again and can with the online multimedia adaptation machine that has of cell-phone and accomodate the TWS earphone.
In order to solve the technical problem, the utility model discloses a technical scheme be:
the utility model discloses a multimedia adapter with accomodate TWS earphone, place the collecting chamber of depositing the TWS earphone in this casing in the casing in with, its characterized in that: the casing is internally provided with a main control circuit capable of receiving the streaming media, the front surface of the casing is provided with a display screen and a loudspeaker for playing the streaming media, and the main control circuit is internally provided with an on-off control module for playing the streaming media in a manner of waking up the TWS earphone by the combined mode of the display screen and the loudspeaker or the combined mode of the display screen and the TWS earphone.
The switch control module is composed of an identification circuit, an on-duty processor, a processor power switch and a processor power module, wherein,
the identification circuit is used for acquiring information taken out of the TWS earphone from a charging seat for accommodating the TWS earphone and transmitting the information to the on-duty processor;
the on-duty processor sends an instruction for turning on the power supply module of the processor to the power supply switch of the processor after the TWS earphone is picked off and separated from the charging seat;
and the processor power supply module converts the electric energy of the power supply battery into multi-specification voltage and provides normal working voltage for the audio power amplifier, the display screen and the core processor.
The main control circuit is also internally provided with a charging management module which only utilizes one USB interface to charge and discharge, the charging management module consists of a voltage input detection circuit, a current flow direction conversion module, a battery charging module and the duty processor, wherein,
the voltage input detection circuit is used for detecting the information of the USB interface connected to an external charging power supply or the equipment to be charged and transmitting the information to the on-duty processor;
when the USB interface is connected to an external charging power supply, the on-duty processor sends a command with the current flowing direction as the input direction to the module, so that the current input by the external charging power supply passes through the battery charging module to charge the power supply battery through one path of the current flowing direction conversion module, and the TWS earphone is charged through the other path of the current flowing direction conversion module; when the USB interface is connected to the equipment to be charged, the on-duty processor sends an instruction that the current flowing direction is the output direction to the module, so that the current output by the power supply battery is charged to the equipment to be charged from the battery charging module, the current flow direction conversion module to the USB interface.
An ear charging switch module for charging the TWS earphone by adopting the power supply battery is also arranged between the current flow direction conversion module and the duty processor, the ear charging switch module is composed of the identification circuit, an ear charging source switch, an ear charging management module and the duty processor, wherein,
the identification circuit is used for receiving the TWS earphone in the charging seat and transmitting information to be charged, which indicates that the electric quantity of a battery arranged in the TWS earphone is lower than a set value, to the on-duty processor;
the duty processor receives the information to be charged and then respectively sends instructions for opening the charging switch and switching the current flowing direction to be output to the TWS earphone direction to the ear charging switch module and the current flowing direction conversion module;
and the ear charging switch module is used for sending an instruction for switching on the power supply battery and the current flow direction conversion module channel to the ear charging management module after receiving the instruction for opening the charging switch sent by the on-duty processor.
The shell is also provided with a SIM card of the mobile phone and a card slot of an external storage card which are connected with the core processor.
The core processor is also connected with a built-in mobile phone number card.
The intelligent voice module is also arranged on the main control circuit and comprises a core circuit board, a built-in memory and a main control chip which takes an embedded voice synthesis chip as a main part.
The appearance profile of casing is the cuboid of taking the rounding off corner, and it comprises flip on upper portion and main part of lower part, and the space that flip inner chamber and main part top portion enclose constitutes the charging seat of accomodating two TWS earphones. And a plurality of keys for realizing different operations are arranged below the display screen.
The utility model discloses a multi-media adapter machine openly sets up the master control circuit who has a plurality of functional module through setting up in casing display screen and casing for it can regard as the earphone box that charges of accomodating the TWS earphone, can regard as the mobile terminal through its online of voice input control again, still can regard as small-size mobile router. When going out for travel, the portable multifunctional mobile carrier is convenient to carry and has strong functions.
Drawings
Fig. 1 is a schematic diagram of the multimedia adapter of the present invention.
Fig. 2 is a schematic diagram of the multimedia adapter of fig. 1 for opening a flip cover.
FIG. 3 is a schematic view of the multimedia adapter of FIG. 2 with a TWS headset placed thereon.
Fig. 4 is an exploded view of the multimedia adapter of fig. 1.
Fig. 5 is a schematic view of a main body portion of the circuit board of fig. 4.
Fig. 6 is a circuit block diagram of the main control circuit of the present invention.
Fig. 7 is a circuit block diagram of a master control circuit for implementing a routing function.
Fig. 8 is a circuit block diagram of a main control circuit for implementing a recording function.
Fig. 9 is a circuit block diagram of the main control circuit for implementing the memory function.
The reference numbers are as follows:
the device comprises a shell 1, an upper shell 11, an inner shell 12, a lower shell 13, a charging seat 2, a TWS earphone 3, a display screen 4, an HOME key 51, a volume key 52, a toggle switch 53, a start key 54, a SIM/memory card slot 55, an MIC56, a loudspeaker 57, a USB interface 58, a main control circuit 6 and a power supply battery 7.
Detailed Description
As shown in fig. 1-6, the multimedia adapter with TWS headset 3 is composed of a casing 1, a display 4 and a main control circuit 6 installed in the casing 1.
First, shell 1
As shown in fig. 1-3, the casing 1 is a cuboid with rounded corners, and is composed of an upper casing 11, an inner casing 12 and a lower casing (also called as main body) 13, the upper casing 11 and the lower casing 13 are hinged together through a long axis arranged at the back of the casing 1, the upper casing 11 is a flip cover, the inner casing 12 is embedded in the lower casing 13 as a charging seat 2, two TWS earphones 3 can be placed in the charging seat 2 by opening the flip cover, and the charging seat 2 is also called as an accommodating chamber of the earphones.
A charging PIN is arranged in the charging seat 2, which can connect the battery arranged in the TWS headset 3 with the charging circuit on the main control circuit 6.
The display screen 4 is arranged on the front surface of the lower shell 13, and can be a touch display screen 4.
A HOME key 51 is provided in the middle below the display screen 4, and touch keys are provided on both sides of the HOME key 51, the two touch keys representing a "previous tune, a game left key" and a "next tune, a game right key", respectively.
A volume key 52, a pause key, a mode key, a toggle switch 53 and an LED indicator lamp for displaying the operating state of the functional module are provided on one side of the lower case 13.
On the other side of the lower case 13, a power-on key 54 and a SIM/memory card slot 55 are provided.
The bottom of the lower shell 13 is provided with an MIC56, a loudspeaker 57 and a USB interface 58, wherein the USB interface is preferably a TYPE-C interface.
Second, main control circuit 6 (mounted on main PCB)
As shown in fig. 6, the main control circuit 6 is composed of a core processor, an on-duty processor (MCU in fig. 6), a plurality of functional module circuits, and a built-in antenna.
On master control circuit 6, except that the core processor embeds there is intelligent voice module, the utility model discloses can also set up the intelligent voice module (not shown in the figure) of independent function on master control circuit 6, this intelligent voice module includes core circuit board, built-in memory and the main control chip who gives first place to with the embedded speech synthesis chip that speech recognition software development company released.
1. Core processor
The audio amplifier is used for controlling the display screen 4 and the audio power amplifier to work, receiving and processing voice information input by an MIC56 on the shell, receiving and processing information input by touch keys and other keys on the shell, receiving and processing digital information input by the USB interface 58, and receiving and sending information processing interconnected with the built-in antenna.
The built-in antenna comprises a Bluetooth antenna, a mobile phone antenna and a GPS antenna.
The audio power amplifier outputs audio information through the speaker 57.
Typically, to reduce power consumption, the core processor is often in a standby state.
The SIM/memory card slot 55 is connected to the core processor through the SIM card of the mobile phone and the card slot of the external memory card.
The core processor is also connected with a built-in mobile phone number card.
2. Processor on duty
The utility model discloses set up special treater and undertake the control to normality work module, but its greatly reduced core processor's work load.
The working voltage of the on-duty processor is directly provided by the power supply battery 7, and the working voltages of other functional modules (such as the core processor, the display screen 4, the audio power amplifier and the like) are controlled and connected by the on-duty processor.
3. Functional module circuit
The system mainly comprises three modules, namely a switch control module, a charging management module and an ear charging switch module.
1) Switch control module
The switch control module has the functions of: when the user takes the TWS earphone 3 out of the charging seat 2 through voice input, touch key input or the like, the duty processor is triggered to do corresponding work.
These works are as follows:
playing the streaming media information from a network platform or an internal memory through the combined mode of the display screen 4 and the loudspeaker 57 or the combined mode of the display screen 4 and the TWS earphone 3; the Bluetooth mobile phone is interconnected with the mobile phone through the Bluetooth antenna and completes remote information communication with other people; and acquiring the motion information of the user wearing the multimedia adapter through the GPS antenna.
The switch control module is composed of an identification circuit, the on-duty processor, a processor power switch and a processor power module.
And the identification circuit is used for acquiring access information of whether the TWS earphone 3 is placed in the charging seat 2 or not and transmitting the access information to the duty processor.
And the duty processor sends an instruction for turning on a power module of the processor to the power switch of the processor after the TWS earphone 3 is picked off and separated from the charging seat 2.
The processor power supply module converts the electric energy of the power supply battery 7 into voltages of various specifications and provides normal working voltages for the audio power amplifier, the display screen 4 and the core processor (the working voltages of the display are 5V, 3.3V and the like; the working voltages of the core processor are 5V, 3.3V, 1.8V,1.5V,1.2V and the like; and the working voltages of the audio power amplifier are 5V, 3.3V and the like). And then, selecting the played streaming media through the earphone, the MIC56 or a touch key to realize the function of network playing.
The process of triggering the on-duty processor to do the corresponding work through voice input is as follows:
the core processor (or an independently arranged intelligent voice module) inputs voice information through the MIC, and sends an instruction to the on-duty processor to start the processor power switch and the processor power module to work, so that normal working voltage is provided for the audio power amplifier, the display screen and the core processor.
The corresponding working process of the on-duty processor triggered by the touch key input is as follows:
the on-duty processor directly inputs a corresponding trigger instruction to the on-duty processor through the touch key, and the on-duty processor sends an instruction for turning on a processor power supply module to the processor power supply switch and provides normal working voltage for the audio power amplifier, the display screen and the core processor.
The core processor is provided with an antenna connected with a mobile network and a card slot capable of placing a mobile phone card. The network signal can be connected to the network provided by the operator through the mobile phone card, and the internet surfing function can be realized through the application software built in the core processor, so that a great number of network applications can be realized. The processor can process audio and video when receiving network content, the audio signal can be sent to the TWS earphone 3 through the Bluetooth function of the core processor, the audio can be listened by the earphone, and the audio can be played through the audio power amplifier and the SPK of the multimedia adapter.
The network content can be stored in an external memory card or in a memory of the core processor.
The core processor controls the display, and the video signal processed by the core processor can be played through the display.
The core processor controls the GPS antenna module, can record the motion information carrying the multimedia adaptive robot, records the motion information in the core processor, and can display audio and video through an earphone, a display and an SPK.
2) Charging management module
The utility model discloses a multi-media adapter only sets up a USB interface 58, and this USB interface 58 can regard as the interface that inwards is equipped with power supply battery 7 and TWS earphone 3 and charges, also can regard as the interface that power supply battery 7 charges for external mobile device (like cell-phone, mobile computer, little electrical apparatus etc.).
The compatibility function is accomplished primarily by providing the charging management module between the USB interface 58 and the on-duty processor. The module consists of a voltage input detection circuit, a current flow direction conversion module, a battery charging module and the duty processor.
The voltage input detection circuit is used for detecting whether the USB interface 58 is connected to an external charging power supply (at this time, the USB interface 58 should have a voltage input signal) or to the device to be charged, and then transmitting the information to the on-duty processor.
And the current flow direction conversion module is used for switching the flowing direction of the current.
When the USB interface 58 is connected to the external charging power source, it is indicated that the built-in power supply battery 7 needs to be charged.
At this time, the on-duty processor switches the current flowing direction to the current flow direction conversion module. The current flowing direction of the current flowing to the conversion module is switched to the input direction, in this case, there are two power supply situations:
the first method comprises the following steps: and the current input by the external charging power supply is charged to the power supply battery 7 through the battery charging module by the current flow direction conversion module.
And the second method comprises the following steps: the current input by the external charging power supply is charged for the TWS earphone 3 (the inside of the earphone is provided with a battery) arranged in the charging seat 2 through the current flow direction conversion module.
When the USB interface 58 is connected to the device to be charged, it is stated that the external device to be charged (i.e., the aforementioned mobile device) needs to be charged by the built-in power supply battery 7.
When the button is turned on, the on-duty processor sends an instruction that the current flowing direction is the output direction to the module, so that the current output by the power supply battery 7 is charged to the device to be charged from the battery charging module and the current flow direction conversion module to the USB interface 58.
When charging the earphone and the external equipment, the charging state and the electric quantity can be displayed by the indicator lamp arranged on the shell.
3) Ear charging switch module
The utility model discloses a multi-media adapter machine has two kinds of modes to placing TWS earphone 3 in charging seat 2 and charge, one kind is through connecting the external power supply on USB interface 58 and charge for this earphone, and another kind is to charge for this earphone with the power supply battery 7 of establishing, and the flow and the control program of two kinds of mode electric currents are different, now recite respectively as follows:
the first is the charging mode mentioned in the aforementioned "charging management module".
The second type is an ear charging switch module arranged between the current flow direction conversion module and the duty processor, and the ear charging switch module is composed of the identification circuit, an ear charging source switch, an ear charging management module and the duty processor.
And the identification circuit is used for transmitting the charging information to be charged, wherein the TWS earphone 3 is contained in the charging seat 2, and the electric quantity of the battery arranged in the TWS earphone 3 is lower than a set value, to the on-duty processor.
And the duty processor receives the information to be charged and sends instructions for opening the charging switch and switching the current flowing direction to be output to the TWS earphone 3 direction to the ear charging switch module and the current flowing direction conversion module respectively when the voltage input detection circuit confirms that the USB interface 58 has no external power supply.
And the ear charging switch module is used for sending an instruction for switching on the charging switch to the ear charging source management module after receiving the instruction for switching on the charging switch sent by the on-duty processor, and at the moment, the current output by the power supply battery 7 flows into the charging seat 2 through the ear charging source management module and the current flow direction conversion module to charge the TWS earphone 3 placed in the charging seat.
Third, other functions that can be realized
1. Routing function
As shown in fig. 7, a 4G module is built in the core processor, and the SIM card is inserted to receive the base station signal and perform internet access.
Namely, it can be used as a portable router to share the network signal brought by the mobile phone number.
The multimedia adapter is matched with a 4G network and a TWS earphone 3, and can conveniently use audio information in the network and audio information in an external storage card
2. Recording function
As shown in fig. 8, the core processor samples and encodes the analog signal, converts the analog signal into a digital signal through a digital-to-analog converter, compresses the digital signal to a certain degree, and stores the compressed digital signal.
The analog signal is received through the MIC56, and sampling and encoding of the analog signal is performed by the core processor. The finished digital signal is stored through a storage card (the core processor is also provided with a memory and can store the content as well), when the audio and video content needs to be played back, the content needing to be played back can be read from the external storage card or the memory through the decoding function of the core processor and played through the display screen 4.
The playback content can be played via the TWS headset 3 or a built-in SPK module over a bluetooth connection.
3. Memory function
As shown in fig. 9, the USB interface 58 exchanges data with an external device such as a computer, and stores the received data information in the memory of the core processor or the external memory card.
The core processor can clearly display the stored data information and the related directory through the display screen 4.
4. Energy saving function
The control of the energy consumption and the power can be realized through the matching of the core processor and the duty processor.
When the network function, the display function and the earphone listening function are required to be embodied, the core processor is powered, and the duty processor, the earphone charging circuit and the power supply battery 7 are charged to enter a standby state.
When the charging of the earphone and the power supply battery 7 and the external charging are completed, the on-duty processor is powered up, and the core processor is in a standby state.
5. Function switching
A plurality of keys (including hard keys and touch keys) are arranged on the shell, and can be easily switched to different working states through key operation. Such as switching between the display 4, the TWS headset 3, the SPK.
6. Game function
The display screen 4 and the entity keys on the shell can be converted into a game machine, and the game function is realized by matching with earphones.
Claims (9)
1. A multimedia adapter with TWS headset storage, comprising a housing (1) and a storage compartment built into the housing (1) for storing the TWS headset (3), characterized in that: be equipped with main control circuit (6) that can receive streaming media in casing (1), casing (1) openly is equipped with the broadcast display screen (4) and loudspeaker (57) of streaming media still are equipped with in main control circuit (6) through pronunciation, touch or take the awakening mode of TWS earphone (3) by the combined mode of display screen (4) and loudspeaker (57) or by the combined mode broadcast of display screen (4) and TWS earphone (3) the on-off control module of streaming media.
2. The multimedia adapter with stowing TWS headset of claim 1, wherein: the switch control module is composed of an identification circuit, an on-duty processor, a processor power switch and a processor power module, wherein,
the identification circuit is used for acquiring information taken out of the TWS earphone (3) from a charging seat (2) for accommodating the TWS earphone (3) and transmitting the information to the on-duty processor;
the on-duty processor sends an instruction for turning on a processor power module to the processor power switch after the TWS earphone (3) is picked off and separated from the charging seat (2);
and the processor power supply module is used for converting the electric energy of the power supply battery (7) into multi-specification voltage and providing normal working voltage for the audio power amplifier, the display screen (4) and the core processor.
3. The multimedia adapter with stowing TWS headset of claim 2, wherein: a charging management module which only uses one USB interface (58) to charge and discharge is arranged in the main control circuit (6), the charging management module is composed of a voltage input detection circuit, a current flow direction conversion module, a battery charging module and the duty processor, wherein,
the voltage input detection circuit is used for detecting information of the USB interface (58) connected to an external charging power supply or equipment to be charged and transmitting the information to the duty processor;
when the USB interface (58) is connected to an external charging power supply, the on-duty processor sends an instruction that the current flowing direction is the input direction to the module, so that the current input by the external charging power supply is charged for the power supply battery (7) through the battery charging module on one path and the TWS earphone (3) on the other path through the current flowing direction conversion module; when the USB interface (58) is connected to the equipment to be charged, the duty processor sends an instruction that the current flowing direction is the output direction to the module, so that the current output by the power supply battery (7) is charged to the equipment to be charged from the battery charging module and the current flow direction conversion module to the USB interface (58).
4. The multimedia adapter with stowing TWS headset of claim 3, wherein: an ear charging switch module for charging the TWS earphone (3) by adopting the power supply battery (7) is also arranged between the current flow direction conversion module and the duty processor, the ear charging switch module is composed of the identification circuit, an ear charging source switch, an ear charging management module and the duty processor, wherein,
the identification circuit is used for transmitting information to be charged, wherein the TWS earphone (3) is stored in the charging seat (2) and the electric quantity of a battery built in the TWS earphone (3) is lower than a set value, and the information needs to be charged to the on-duty processor;
the duty processor receives the information to be charged and then respectively sends instructions for opening the charging switch and switching the current flowing direction to be output to the TWS earphone (3) to the ear charging switch module and the current flowing direction conversion module;
and the ear charging switch module is used for sending an instruction for switching on the power supply battery (7) and the current flow direction conversion module channel to the ear charging management module after receiving the instruction for opening the charging switch sent by the on-duty processor.
5. The multimedia adapter with stowing TWS headset according to any of claims 1-4, characterized in that: the shell is also provided with a SIM card of the mobile phone and a card slot of an external storage card which are connected with the core processor.
6. The multimedia adapter with stowing TWS headset of claim 5, wherein: the core processor is also connected with a built-in mobile phone number card.
7. The multimedia adapter with stowing TWS headset of claim 6, wherein: the main control circuit (6) is also provided with an intelligent voice module which comprises a core circuit board, a built-in memory and a main control chip which takes an embedded voice synthesis chip as a main part.
8. The multimedia adapter with stowing TWS headset of claim 7, wherein: the appearance profile of the shell (1) is a cuboid with smooth corners, the shell is composed of a flip cover at the upper part and a main body at the lower part, and a space enclosed by the inner cavity of the flip cover and the top end part of the main body forms a charging seat (2) for accommodating two TWS earphones (3).
9. The multimedia adapter with stowing TWS headset of claim 8, wherein: a plurality of keys for realizing different operations are arranged below the display screen (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920180876.7U CN210130481U (en) | 2019-02-01 | 2019-02-01 | Multimedia adapter with TWS earphone storage function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920180876.7U CN210130481U (en) | 2019-02-01 | 2019-02-01 | Multimedia adapter with TWS earphone storage function |
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| CN210130481U true CN210130481U (en) | 2020-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920180876.7U Expired - Fee Related CN210130481U (en) | 2019-02-01 | 2019-02-01 | Multimedia adapter with TWS earphone storage function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11509985B2 (en) | 2020-10-21 | 2022-11-22 | Dongguan Luxshare Technologies Co., Ltd | Earphone charging device |
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2019
- 2019-02-01 CN CN201920180876.7U patent/CN210130481U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11509985B2 (en) | 2020-10-21 | 2022-11-22 | Dongguan Luxshare Technologies Co., Ltd | Earphone charging device |
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