CN210807608U - Control circuit and system for Bluetooth headset charging box with external discharging function - Google Patents
Control circuit and system for Bluetooth headset charging box with external discharging function Download PDFInfo
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- CN210807608U CN210807608U CN201922211179.6U CN201922211179U CN210807608U CN 210807608 U CN210807608 U CN 210807608U CN 201922211179 U CN201922211179 U CN 201922211179U CN 210807608 U CN210807608 U CN 210807608U
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Abstract
The utility model discloses a system with external discharge function, including bluetooth headset and the box that charges that matches with bluetooth headset, bluetooth headset have the audio output interface unit of being connected with audio input interface unit, bluetooth headset have with bluetooth headset charging interface unit B of bluetooth headset charging interface unit A, audio output interface unit and bluetooth headset charging interface unit B be connected with bluetooth headset's control circuit; the utility model also discloses a control circuit that is used for having the bluetooth headset box that charges of putting the function outward, it includes: the audio input interface unit, the audio power amplifier unit, the audio output interface unit, the battery, the management unit, the battery charging interface unit and the Bluetooth headset charging interface unit A can receive audio signals output by the Bluetooth headset at the charging box end and play the audio signals on a loudspeaker on the charging box.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a control circuit for having the bluetooth headset box of charging of putting the function outward, the utility model discloses still relate to the system that has the function of putting outward.
[ background of the invention ]
After airpots released by Apple company, TWS bluetooth earphones are more and more accepted by the public, and it is known that when the TWS earphones are not taken into the ears, the prompt sound of the earphones and the sound transmitted from the mobile phone cannot be heard, and whether the earphones are turned on or not cannot be confirmed except for observing an LED indicator light, so that inconvenience is brought to the operation process.
The utility model discloses it is not enough to solve prior art and research and propose promptly.
[ Utility model ] content
In order to solve the technical problem, the utility model discloses a control circuit for having bluetooth headset charging box of putting function outward, control circuit contain:
the audio input interface unit is used for receiving audio signals output by the Bluetooth headset;
the audio power amplifier unit is used for amplifying audio signals output by the Bluetooth headset, and the audio input interface unit is connected with the audio input end of the audio power amplifier unit;
the audio output interface unit is used for transmitting the audio signal amplified by the audio power amplification unit to a loudspeaker, and is connected with the audio output end of the audio power amplification unit;
the battery is used for supplying power;
the management unit is used for managing the charging of the battery and the discharging of the battery, and is connected with the audio power amplification unit and the battery;
the battery charging interface unit is connected with a charger to charge the battery, and is connected with the management unit;
the Bluetooth headset charging interface unit A is used for charging the Bluetooth headset and is connected with the management unit.
The control circuit for the Bluetooth headset charging box with the external discharging function comprises a charging management unit and a power management unit, wherein the battery charging interface unit is connected with the charging management unit, the audio power amplification unit is connected with one control output end of the power management unit, the charging management unit is connected with the other control output end of the power management unit, and the battery is connected with the charging power output end of the power management unit.
In the control circuit for the bluetooth headset charging box with the play-out function, the power management unit adopts a power management chip with a model ZX8P 80D.
As described above, in the control circuit for the bluetooth headset charging box with the external discharging function, the charging management unit adopts a charging management chip of type ETA 9697.
The control circuit for the Bluetooth headset charging box with the external discharging function is characterized in that the audio power amplifier unit adopts an audio power amplifier with the model of ft2128, an audio input end of the audio power amplifier is connected with the audio input interface unit, an audio output end of the audio power amplifier is connected with the audio output interface unit, and a power supply end of the audio power amplifier is connected with the battery.
According to the control circuit for the Bluetooth headset charging box with the external discharging function, the I/O port of the power management unit is connected with the electric quantity indicating unit, the electric quantity indicating unit adopts four LED indicating lamps, and the four LED indicating lamps are respectively connected with one I/O port of the power management unit.
The control circuit for the Bluetooth headset charging box with the external discharging function is characterized in that a power access detection unit is connected to an I/O port of the power management unit and comprises a resistor R3, a resistor R5 and a transistor Q1, the resistor R3 and the resistor R5 are connected between a positive power supply and the ground in series, a base of the transistor Q1 is connected with a common end of the resistor R3 and the resistor R5, a collector of the transistor Q1 is connected with the I/O port of the power management unit, and an emitter of the transistor Q1 is grounded.
The control circuit for the Bluetooth headset charging box with the outward discharging function is characterized in that a Hall switch unit is connected to an I/O port of the power management unit, the Hall switch unit adopts a Hall switch with the model of OCH4002, a power supply end of the Hall switch is connected with the anode of a battery, a grounding end of the Hall switch is grounded, an output end of the Hall switch is connected with the I/O port of the power management unit, and a resistor R1 is connected between the power supply end and the output end of the Hall switch.
The control circuit for the Bluetooth headset charging box with the external discharging function is characterized in that a work indicating unit is connected to an I/O port of the power management unit, the work indicating unit comprises a light emitting diode, a current limiting resistor and a MOS tube Q2, the light emitting diode, the current limiting resistor and the MOS tube Q2 are connected in series, and a grid electrode of the MOS tube Q2 is connected with the I/O port of the power management unit.
The system with the external function comprises a Bluetooth headset and a charging box matched with the Bluetooth headset, wherein the charging box comprises a control circuit adopting the control circuit, the Bluetooth headset is provided with an audio output interface unit connected with an audio input interface unit, the Bluetooth headset is provided with a Bluetooth headset charging interface unit B connected with a Bluetooth headset charging interface unit A, and the audio output interface unit and the Bluetooth headset charging interface unit B are connected with the control circuit of the Bluetooth headset.
Compared with the prior art, the utility model has the advantages of as follows:
1. the utility model discloses in current bluetooth headset technique, set up audio output interface on bluetooth headset, bluetooth headset's audio output interface generally sets up side by side with bluetooth headset's the interface unit B that charges, when arranging bluetooth headset in the box that charges on charging like this, audio output interface on the bluetooth headset and the audio input interface connection on the box that charges, can play the audio signal that equipment such as cell-phones received came from this moment on the speaker on the box that charges, also can play the prompt tone simultaneously, the user need not to wear bluetooth headset like this and also can hear the prompt tone on bluetooth headset.
2. The utility model discloses an outstanding advantage lies in: the earphone can be used as a sound box, and when the earphone is arranged in the charging box, sound is emitted from the charging box; if a sound box is needed to be used outside, only the cover of the charging box needs to be opened, the earphones enter the pairing mode, the mobile phone and other equipment can be connected, the sound box can be used as the sound box, and the earphones can be brought into ears to be used as the TWS earphones when the external sound box is not needed.
3. The utility model discloses well control circuit who charges the box passes through audio input interface unit, audio power amplifier unit, audio output interface unit, battery, administrative unit, the battery interface unit that charges, bluetooth headset interface unit A that charges, can realize receiving the audio signal of bluetooth headset output at the box end that charges to broadcast on the speaker on the box that charges.
[ description of the drawings ]
The following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings, in which:
fig. 1 is a block diagram of a system with a pop-out function according to the present invention;
fig. 2 is a schematic circuit diagram of a control circuit of the charging box of the present invention;
fig. 3 is a schematic circuit diagram of a charging management unit in the control circuit of the charging box of the present invention;
fig. 4 is a schematic circuit diagram of an audio power amplifier unit in the control circuit of the charging box of the present invention;
fig. 5 is a schematic circuit diagram of a power management unit in the control circuit of the charging box of the present invention;
fig. 6 is a schematic circuit diagram of a power supply access detection unit in the control circuit of the charging box of the present invention;
fig. 7 is a circuit schematic diagram of a hall switch unit in the control circuit of the charging box of the present invention;
fig. 8 is a schematic circuit diagram of a work indication unit in the control circuit of the charging box of the present invention;
fig. 9 is a schematic circuit diagram of a CON interface in the control circuit of the charging box according to the present invention;
fig. 10 is a schematic circuit diagram of the audio input interface unit (B3 and B5) and the positive electrode (B2) of the charging interface unit a of the bluetooth headset in the control circuit of the charging box of the present invention;
fig. 11 is a schematic circuit diagram of the control circuit of the middle bluetooth headset of the present invention.
[ detailed description ] embodiments
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the system with the external discharging function of this embodiment includes a bluetooth headset and a charging box matched with the bluetooth headset, the bluetooth headset has an audio output interface unit connected with an audio input interface unit of the charging box, the bluetooth headset has a bluetooth headset charging interface unit B connected with a bluetooth headset charging interface unit a of the charging box, and the audio output interface unit and the bluetooth headset charging interface unit B are connected with a control circuit of the bluetooth headset.
The basic principle of the utility model is that: in current bluetooth headset technique, set up the audio output interface on bluetooth headset, bluetooth headset's audio output interface generally sets up side by side with bluetooth headset's the interface unit B that charges, when placing bluetooth headset in the box that charges like this, audio output interface on the bluetooth headset and the audio input interface connection on the box that charges, can play the audio signal that equipment output such as the cell-phone that comes from that bluetooth headset received this moment on the speaker on the box that charges, also can play the prompt tone simultaneously, the user need not to wear bluetooth headset like this and also can hear the prompt tone on bluetooth headset. The utility model discloses an outstanding advantage lies in: the earphone can be used as a sound box, and when the earphone is arranged in the charging box, sound is emitted from the charging box; if a sound box is needed to be used outside, only the cover of the charging box needs to be opened, the earphones enter the pairing mode, the mobile phone and other equipment can be connected, the sound box can be used as the sound box, and the earphones can be brought into ears to be used as the TWS earphones when the external sound box is not needed.
As shown in fig. 2 to 10, the control circuit for a bluetooth headset charging box with a discharging function of the present embodiment includes:
the audio input interface unit is used for receiving audio signals output by the Bluetooth headset;
the audio power amplifier unit is used for amplifying audio signals output by the Bluetooth headset, and the audio input interface unit is connected with the audio input end of the audio power amplifier unit;
the audio output interface unit is used for conveying the audio signals amplified by the audio power amplification unit to the loudspeaker, the audio output interface unit is connected with the audio output end of the audio power amplification unit, and the audio output interface unit is finally connected with the loudspeaker arranged on the charging box to realize external amplification.
The battery is used for supplying power;
the management unit is used for managing the charging of the battery and the discharging of the battery, and is connected with the audio power amplification unit and the battery;
the battery charging interface unit is connected with a charger to charge the battery, and is connected with the management unit;
the Bluetooth headset charging interface unit A is used for charging the Bluetooth headset and is connected with the management unit.
The management unit comprises a charging management unit and a power management unit, the battery charging interface unit is connected with the charging management unit, the audio power amplifier unit is connected with one control output end of the power management unit, the charging management unit is connected with the other control output end of the power management unit, and the battery is connected with the charging power output end of the power management unit.
The utility model discloses well control circuit who charges the box passes through audio input interface unit, audio power amplifier unit, audio output interface unit, battery, administrative unit, the battery interface unit that charges, bluetooth headset interface unit A that charges, can realize receiving the audio signal of bluetooth headset output at the box end that charges to broadcast on the speaker on the box that charges.
As shown in fig. 5, the power management unit uses a power management chip with model ZX8P 80D.
As shown in fig. 3, the charging management unit employs a charging management chip of model ETA 9697.
As shown in fig. 4, the audio power amplifier unit is an audio power amplifier with a model number ft2128, an audio input end of the audio power amplifier is connected with the audio input interface unit, an audio output end of the audio power amplifier is connected with the audio output interface unit, and a power supply end of the audio power amplifier is connected with the battery.
The power management unit is characterized in that an electric quantity indicating unit is connected to an I/O port of the power management unit, the electric quantity indicating unit adopts four LED indicating lamps, and the four LED indicating lamps are respectively connected with one I/O port of the power management unit.
The power supply access detection unit is connected to an I/O port of the power supply management unit and comprises a resistor R3, a resistor R5 and a triode Q1, the resistor R3 and the resistor R5 are connected between a positive power supply and the ground in series, the base of the triode Q1 is connected with the common end of the resistor R3 and the resistor R5, the collector of the triode Q1 is connected with the I/O port of the power supply management unit, and the emitter of the triode Q1 is grounded.
The power management unit is characterized in that a Hall switch unit is connected to an I/O port of the power management unit, the Hall switch unit is a Hall switch with the model number of OCH4002, a power supply end of the Hall switch is connected with a battery anode, a grounding end of the Hall switch is grounded, an output end of the Hall switch is connected with the I/O port of the power management unit, and a resistor R1 is connected between the power supply end and the output end of the Hall switch.
In this embodiment, a work indication unit is connected to an I/O port of the power management unit, the work indication unit includes a light emitting diode, a current limiting resistor, and a MOS transistor Q2, the light emitting diode, the current limiting resistor, and the MOS transistor Q2 are connected in series, and a gate of the MOS transistor Q2 is connected to the I/O port of the power management unit.
The technical content of the present invention is further described by the embodiments only, so that the reader can understand it more easily, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation according to the present invention is protected by the present invention. The protection scope of the present invention is subject to the claims.
Claims (10)
1. A control circuit for a bluetooth headset charging box having a play-out function, the control circuit comprising:
the audio input interface unit is used for receiving audio signals output by the Bluetooth headset;
the audio power amplifier unit is used for amplifying audio signals output by the Bluetooth headset, and the audio input interface unit is connected with the audio input end of the audio power amplifier unit;
the audio output interface unit is used for transmitting the audio signal amplified by the audio power amplification unit to a loudspeaker, and is connected with the audio output end of the audio power amplification unit;
the battery is used for supplying power;
the management unit is used for managing the charging of the battery and the discharging of the battery, and is connected with the audio power amplification unit and the battery;
the battery charging interface unit is connected with a charger to charge the battery, and is connected with the management unit;
the Bluetooth headset charging interface unit A is used for charging the Bluetooth headset and is connected with the management unit.
2. The control circuit of claim 1, wherein the management unit comprises a charging management unit and a power management unit, the battery charging interface unit is connected with the charging management unit, the audio power amplifier unit is connected with one control output end of the power management unit, the charging management unit is connected with the other control output end of the power management unit, and the battery is connected with the charging power output end of the power management unit.
3. The control circuit for a bluetooth headset charging box with a peripheral function of claim 2, wherein the power management unit adopts a power management chip with model number ZX8P 80D.
4. The control circuit for the charging box of the bluetooth headset with the play-out function as claimed in claim 2, wherein the charging management unit employs a charging management chip with model number ETA 9697.
5. The control circuit for the Bluetooth headset charging box with the external discharging function as claimed in claim 1, wherein the audio power amplifier unit is an audio power amplifier with a model number ft2128, an audio input end of the audio power amplifier is connected with the audio input interface unit, an audio output end of the audio power amplifier is connected with the audio output interface unit, and a power source end of the audio power amplifier is connected with the battery.
6. The control circuit for the Bluetooth headset charging box with the external discharging function as claimed in claim 2, wherein the power management unit is connected with a power indication unit at an I/O port thereof, the power indication unit adopts four LED indication lamps, and the four LED indication lamps are respectively connected with one I/O port of the power management unit.
7. The control circuit of claim 2, wherein the power management unit has a power connection detection unit connected to an I/O port thereof, the power connection detection unit comprises a resistor R3, a resistor R5, and a transistor Q1, the resistor R3 and the resistor R5 are connected in series between the positive power supply and the ground, a base of the transistor Q1 is connected to a common terminal of the resistor R3 and the resistor R5, a collector of the transistor Q1 is connected to the I/O port of the power management unit, and an emitter of the transistor Q1 is grounded.
8. The control circuit for the charging box of the bluetooth headset with the external discharging function, according to claim 2, characterized in that a hall switch unit is connected to an I/O port of the power management unit, the hall switch unit is a hall switch with a model number of OCH4002, a power supply terminal of the hall switch is connected to a positive electrode of the battery, a grounding terminal of the hall switch is grounded, an output terminal of the hall switch is connected to the I/O port of the power management unit, and a resistor R1 is connected between the power supply terminal and the output terminal of the hall switch.
9. The control circuit for the Bluetooth headset charging box with the external discharging function as claimed in claim 2, wherein the I/O port of the power management unit is connected with an operation indication unit, the operation indication unit comprises a light emitting diode, a current limiting resistor and a MOS transistor Q2, the light emitting diode, the current limiting resistor and the MOS transistor Q2 are connected in series, and the grid of the MOS transistor Q2 is connected with the I/O port of the power management unit.
10. The system with the external release function is characterized by comprising a Bluetooth headset and a charging box matched with the Bluetooth headset, wherein the charging box comprises the control circuit according to any one of claims 1 to 9, the Bluetooth headset is provided with an audio output interface unit connected with an audio input interface unit, the Bluetooth headset is provided with a Bluetooth headset charging interface unit B connected with a Bluetooth headset charging interface unit A, and the audio output interface unit and the Bluetooth headset charging interface unit B are connected with the control circuit of the Bluetooth headset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922211179.6U CN210807608U (en) | 2019-12-11 | 2019-12-11 | Control circuit and system for Bluetooth headset charging box with external discharging function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922211179.6U CN210807608U (en) | 2019-12-11 | 2019-12-11 | Control circuit and system for Bluetooth headset charging box with external discharging function |
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| CN210807608U true CN210807608U (en) | 2020-06-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111601197A (en) * | 2020-06-29 | 2020-08-28 | 深圳市星科启电子商务有限公司 | Device combining sound box and Bluetooth headset |
| CN111935689A (en) * | 2020-07-29 | 2020-11-13 | 歌尔科技有限公司 | Earphone device, message reminding method of mobile equipment and storage medium |
-
2019
- 2019-12-11 CN CN201922211179.6U patent/CN210807608U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111601197A (en) * | 2020-06-29 | 2020-08-28 | 深圳市星科启电子商务有限公司 | Device combining sound box and Bluetooth headset |
| CN111935689A (en) * | 2020-07-29 | 2020-11-13 | 歌尔科技有限公司 | Earphone device, message reminding method of mobile equipment and storage medium |
| CN111935689B (en) * | 2020-07-29 | 2023-08-11 | 歌尔科技有限公司 | Earphone device, message reminding method of mobile device and storage medium |
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