CN108494058A - Charging box circuit, wireless headset and the earphone charging communication device of wireless headset - Google Patents
Charging box circuit, wireless headset and the earphone charging communication device of wireless headset Download PDFInfo
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- CN108494058A CN108494058A CN201810411931.9A CN201810411931A CN108494058A CN 108494058 A CN108494058 A CN 108494058A CN 201810411931 A CN201810411931 A CN 201810411931A CN 108494058 A CN108494058 A CN 108494058A
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- wireless headset
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- electronic switch
- input terminal
- charging
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- 238000004891 communication Methods 0.000 title claims abstract description 80
- 230000003321 amplification Effects 0.000 claims description 21
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 21
- 230000005611 electricity Effects 0.000 claims description 9
- 230000000087 stabilizing effect Effects 0.000 claims description 9
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical group [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 3
- 229910001416 lithium ion Inorganic materials 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 210000005069 ears Anatomy 0.000 description 2
- 125000005329 tetralinyl group Chemical group C1(CCCC2=CC=CC=C12)* 0.000 description 1
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- H02J7/0086—
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of charging box circuit of wireless headset, wireless headset and earphone charging communication devices, and the charging box circuit of the wireless headset includes charging voltage input terminal, the first regulator circuit unit, the first electronic switch, communication instruction input terminal, the first termination power unit, the first MCU and the first connectivity port；Communication instruction input terminal is connect with the signal input part of the first MCU, the first signal output end of first MCU is connect with the control terminal of the first electronic switch, the first end of first electronic switch is connect with charging voltage input terminal, the second end of first electronic switch is connect with the input terminal of the first regulator circuit, the input terminal of first termination power is connect with the second signal output end of the first MCU, and the output end of the output end of the first regulator circuit and the first termination power is connect with the first connectivity port.The present invention can reduce the design difficulty of wireless headset.
Description
Technical field
The present invention relates to electronic technology field more particularly to charging box circuit, wireless headset and the ears of a kind of wireless headset
Machine charging communication device.
Background technology
In the prior art, it when the wireless pogopin formulas charging earphone of ears or USB earphones need to charge and communicate, needs to lead to
Control box is crossed to control charging and the communication function of earphone, however the charging of conventional earphone and communication are usually all logical using USB
News or USART communications, therefore, when conventional earphone is communicated using USB need 4 lines (tetra- lines of VCC, D+, D- and GND)
It can realize charging and the communication function of earphone.Pleasant wireless type earphone, it is non-in structure space since its structure space is very small
4 contact points of one USB of setting or placement (need 4 contacts when using USART communications in often small pleasant wireless type earphone
Point, i.e. tetra- contact points of VCC, TX, RX and GND), to increase the design difficulty of earphone.
Invention content
The main purpose of the present invention is to provide a kind of charging box circuits of wireless headset, it is intended to reduce setting for wireless headset
Count difficulty.
To achieve the goals above, the present invention provides a kind of charging box circuit of wireless headset, for wireless headset into
Row charges and sends out communication instruction to the wireless headset to be communicated with the wireless headset, and the wireless headset fills
Electric box circuit includes for the charging voltage input terminal of input charging voltage, for carrying out the first of voltage stabilizing to the charging voltage
Regulator circuit unit, the first electronic switch of charged state for controlling the wireless headset refer to for inputting the communication
The communication instruction input terminal of order, the first termination power unit for being coupled to the communication instruction are received for working as
It is off-state to stop charge to the wireless headset that first electronic switch is controlled when the communication instruction
One MCU and for carrying out charging to the wireless headset and carrying out with the wireless headset the first connecting pin of communication
Mouthful；Wherein：
The communication instruction input terminal is connect with the signal input part of the first MCU, the first signal of the first MCU
Output end is connect with the control terminal of first electronic switch, and the first end and the charging voltage of first electronic switch are defeated
Enter end connection, the second end of first electronic switch is connect with the input terminal of first regulator circuit, first coupling
The input terminal of circuit is connect with the second signal output end of the first MCU, the output end of first regulator circuit and described
The output end of first termination power is connect with first connectivity port.
Preferably, first regulator circuit includes the first inductance, and the first end of first inductance is described first steady
The input terminal of volt circuit, the first end of first inductance are connect with the second end of first electronic switch, first electricity
The second end of sense is the output end of first regulator circuit, and the second end of first inductance connects with first connectivity port
It connects.
Preferably, first termination power includes the first capacitance, and the first end of first capacitance is first coupling
The input terminal of circuit is closed, the first end of first capacitance is connect with the second signal output end of the first MCU, and described first
The second end of capacitance is the output end of first termination power, the second end of first capacitance and first connectivity port
Connection.
Preferably, first electronic switch is PMOS tube, and the grid of first electronic switch is with the first MCU's
First signal output end connects, and the source electrode of first electronic switch is connect with the charging voltage input terminal, first electricity
The drain electrode of sub switch is connect with the input terminal of first regulator circuit.
In addition, to achieve the above object, the present invention also provides a kind of wireless headset, the wireless headset includes charging electricity
Pond, the charging box circuit for input charging voltage and with wireless headset carry out communication second connection end mouth, for pair
The charging voltage carries out the second regulator circuit of voltage stabilizing, the communication sent out for the charging box circuit to the wireless headset refers to
It enables the second termination power coupled, the drive amplification circuit for carrying out drive amplification processing to the communication instruction, use
In the second electronic switch of the charged state for controlling the wireless headset and for being detected to the charging voltage and
Controlled when detecting no charging voltage second electronic switch be off-state to stop filling the rechargeable battery
2nd MCU of electricity；Wherein：
The input terminal of second regulator circuit and the input terminal of second termination power with the second connection end
Mouth connection, the output end of second regulator circuit are connect with the first end of second electronic switch, second electronic cutting
The second end of pass is connect with the first signal input part of the 2nd MCU and the rechargeable battery respectively, second electronic cutting
The control terminal of pass is connect with the signal output end of the 2nd MCU, and the output end of second termination power is put with the driving
The input terminal connection of big circuit, the output end of the drive amplification circuit are connect with the second signal input terminal of the 2nd MCU.
Preferably, second regulator circuit includes the second inductance, and the first end of second inductance is described second steady
The input terminal of volt circuit, the first end of second inductance are connect with the second connection end mouth, and the second of second inductance
End is the output end of second regulator circuit, and the second end of second inductance and the first end of second electronic switch connect
It connects.
Preferably, second termination power includes the second capacitance, and the first end of second capacitance is second coupling
The input terminal of circuit is closed, the first end of second capacitance is connect with the second connection end mouth, and the second of second capacitance
End is the output end of second termination power, and the second end of second capacitance and the input terminal of the drive amplification circuit connect
It connects.
Preferably, second electronic switch is PMOS tube, and the grid of second electronic switch is with the 2nd MCU's
Signal output end connects, and the source electrode of second electronic switch is connect with the output end of second regulator circuit, and described second
The drain electrode of electronic switch is connect with the anode of the rechargeable battery.
Preferably, the rechargeable battery is lithium ion battery.
In addition, to achieve the above object, the present invention also provides a kind of earphone charging communication device, the earphone charging communication
Device includes the charging box circuit and wireless headset of wireless headset, and the charging box circuit of the wireless headset is nothing as described above
The charging box circuit of line earphone, the wireless headset are wireless headset as described above, the charging box circuit of the wireless headset
The first connectivity port connect with the second connection end mouth of the wireless headset.
The present invention provides a kind of charging box circuit of wireless headset, for communication to be charged and sent out to wireless headset
To the wireless headset to be communicated with the wireless headset, the charging box circuit of the wireless headset includes for inputting for instruction
The charging voltage input terminal of charging voltage, for the charging voltage carry out voltage stabilizing the first regulator circuit unit, for controlling
Make the first electronic switch of the charged state of the wireless headset, the communication instruction input terminal for inputting the communication instruction,
The first termination power unit for being coupled to the communication instruction, for controlling institute when receiving the communication instruction
It is off-state to stop the first MCU to charge to the wireless headset and for described to state the first electronic switch
Wireless headset charge and carried out with the wireless headset the first connectivity port of communication；The communication instruction input terminal
It is connect with the signal input part of the first MCU, the first signal output end and first electronic switch of the first MCU
Control terminal connects, and the first end of first electronic switch is connect with the charging voltage input terminal, first electronic switch
Second end connect with the input terminal of first regulator circuit, the input terminal of first termination power and the first MCU
The connection of second signal output end, the output end of the output end of first regulator circuit and first termination power is and institute
State the connection of the first connectivity port.The charging box circuit of wireless headset of the present invention can be realized by first connectivity port to nothing
The charging of line earphone and communication function, that is, use the charging box circuit wireless headset that is charged and communicated of the wireless headset without
USB need to be set or place 4 contact points, charging and communication function can be realized, the design for greatly reducing wireless headset is difficult
Degree；Meanwhile the present invention also has the advantages that simple in structure and easy realization.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the electrical block diagram of one embodiment of charging box circuit of wireless headset of the present invention；
Fig. 2 is the electrical block diagram of one embodiment of wireless headset of the present invention；
Fig. 3 is the electrical block diagram of earphone of the present invention charging one embodiment of communication device.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific implementation mode
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The present invention provides a kind of charging box circuit of wireless headset, and Fig. 1 is the charging box circuit one of wireless headset of the present invention
The electrical block diagram of embodiment, referring to Fig.1, in the present embodiment, the charging box circuit 100 of the wireless headset is used for wireless
Earphone is charged and is sent out communication instruction to the wireless headset to be communicated with the wireless headset, the wireless headset
Charging box circuit 100 include charging voltage input terminal VBAT, the first MCU 101, communication instruction input terminal 102, the first voltage stabilizing
Circuit unit 103,104 first connectivity port IO1 of the first termination power unit.
Specifically, in the present embodiment, the charging voltage input terminal VBAT is used for input charging voltage；
The first regulator circuit unit 103, for carrying out voltage stabilizing to the charging voltage；
The first electronic switch S1, the charged state for controlling the wireless headset；
The communication instruction input terminal 102, for inputting the communication instruction；
The first termination power unit 104, for being coupled to the communication instruction；
First MCU 101 is disconnected for controlling the first electronic switch S1 when receiving the communication instruction
Open state is to stop charging to the wireless headset；
The first connectivity port IO1, for being connect with the wireless headset, with to the wireless headset charge with
And it is communicated with the wireless headset.
In the present embodiment, the communication instruction input terminal 102 is connect with the signal input part of the first MCU 101, institute
The the first signal output end B for stating the first MCU 101 is connect with the control terminal of the first electronic switch S1, first electronic cutting
The first end for closing S1 is connect with the charging voltage input terminal VBAT, the second end and described first of the first electronic switch S1
The input terminal of regulator circuit 103 connects, the second letter of the input terminal of first termination power 104 and the first MCU 101
The output end of number output end C connections, the output end of first regulator circuit 103 and first termination power 104 is and institute
State the first connectivity port IO1 connections.
Specifically, in the present embodiment, first regulator circuit 103 includes the first inductance L1, the first inductance L1's
First end is the input terminal of first regulator circuit 103, first end and first electronic switch of the first inductance L1
The second end of S1 connects, and the second end of the first inductance L1 is the output end of first regulator circuit 103, first electricity
The second end of sense L1 is connect with the first connectivity port IO1.
In the present embodiment, first termination power 104 includes the first capacitance C1, and the first end of the first capacitance C1 is
The input terminal of first termination power 104, the second signal of the first end and the first MCU 101 of the first capacitance C1
Output end connects C and connects, and the second end of the first capacitance C1 is the output end of first termination power 104, first capacitance
The second end of C1 is connect with the first connectivity port IO1.
In the present embodiment, the first electronic switch S1 be PMOS tube, the grid of the first electronic switch S1 with it is described
The first signal output end B connections of first MCU 101, source electrode and the charging voltage input terminal of the first electronic switch S1
The drain electrode of VBAT connections, the first electronic switch S1 is connect with the input terminal of first regulator circuit 103, i.e., and described first
The drain electrode of electronic switch S1 is connect with the first end of the first inductance L1.
The operation principle of the charging box circuit 100 of the present embodiment wireless headset is described in detail below：When the present embodiment is wireless
The first connectivity port IO1 of the charging box circuit 100 of earphone connect with wireless headset (not shown) after (namely work as wireless ear
When machine is inserted into the first connectivity port IO1 in the charging box circuit 100 of the present embodiment wireless headset), the wireless ear
Rechargeable battery in machine is in charged state, i.e., the first electronic switch S1 is in closed state at this time.When the wireless ear
When machine is in charged state, if to receive the communication instruction input terminal 102 defeated by the signal input part A of the first MCU 101
When the communication instruction gone out is to require to be communicated with the wireless headset, the first signal output end B of the first MCU 101 will
The control terminal of the corresponding control signal en1 to the first electronic switch S1 of output, with control the first electronic switch S1 by
Closed state (when the wireless headset charging, the first electronic switch S1 is closed state) goes off state before, this
The first MCU 101 of Shi Suoshu by the communication instruction via the first MCU 101 second signal output end C, described first
Capacitance C1 and the first connectivity port IO1 are transmitted to the wireless headset, to realize filling for the present embodiment wireless headset
The communication function of electric box circuit 100 and the wireless headset.
The charging box circuit 100 of the present embodiment wireless headset can be realized by the first connectivity port IO1 to wireless
The charging of earphone and communication function, that is, the nothing for using the charging box circuit 100 of the present embodiment wireless headset to be charged and communicated
Charging and communication function can be realized it is not necessary that USB is arranged or places 4 contact points in line earphone, wireless to greatly reduce
The design difficulty of earphone；Meanwhile the charging box circuit 100 of the present embodiment wireless headset also has simple in structure and easily realizes excellent
Point.
The present invention also provides a kind of wireless headset, Fig. 2 is the electrical block diagram of one embodiment of wireless headset of the present invention,
With reference to Fig. 2, in the present embodiment, which includes second connection end mouth IO2, rechargeable battery 201, drive amplification circuit
202, the 2nd MCU203 of the second electronic switch S2, the second regulator circuit 204 and the second termination power 205.
Specifically, in the present embodiment, the second connection end mouth IO2, for being connect with the charging box circuit of wireless headset,
It is communicated with input charging voltage and with the charging box circuit of wireless headset；
Second regulator circuit 204, for carrying out voltage stabilizing to the charging voltage；
Second termination power 205, the communication instruction sent out for the charging box circuit to the wireless headset carry out
Coupling；
The drive amplification circuit 202, for carrying out drive amplification processing to the communication instruction；
The second electronic switch S2, the charged state for controlling the wireless headset；
2nd MCU 203 detects no charging voltage time control for being detected and working as to the charging voltage
Make second electronic switch be off-state to stop charging to the rechargeable battery.In the present embodiment, the charging
Battery is lithium ion battery.
In the present embodiment, the input terminal of the input terminal of second regulator circuit 204 and second termination power 205 is equal
It is connect with the second connection end mouth IO2, the of the output end of second regulator circuit 204 and the second electronic switch S2
One end connects, the second end of the second electronic switch S2 respectively with the first signal input part of the 2nd MCU 203 and institute
The connection of rechargeable battery 201 is stated, the control terminal of the second electronic switch S2 connects with the signal output end of the 2nd MCU 203
It connects, the output end of second termination power 205 is connect with the input terminal of the drive amplification circuit 202, the drive amplification
The output end of circuit 202 is connect with the second signal input terminal F of the 2nd MCU 203.
In the present embodiment, second regulator circuit 204 includes the second inductance L2, and the first end of the second inductance L2 is
The input terminal of second regulator circuit 204, the first end of the second inductance L2 are connect with the second connection end mouth IO2,
The second end of the second inductance L2 be second regulator circuit 204 output end, the second end of the second inductance L2 with
The first end of the second electronic switch S2 connects.
In the present embodiment, second termination power 205 includes the second capacitance C2, and the first end of the second capacitance C2 is
The input terminal of second termination power 205, the first end of the second capacitance C2 are connect with the second connection end mouth IO2,
The second end of the second capacitance C2 be second termination power 205 output end, the second end of the second capacitance C2 with
The input terminal of the drive amplification circuit 202 connects.
In the present embodiment, the second electronic switch S2 be PMOS tube, the grid of the second electronic switch S2 with it is described
The signal output end of 2nd MCU 203 connects, and the source electrode of the second electronic switch S2 is defeated with second regulator circuit 204
Outlet connects (source electrode of the i.e. described second electronic switch S2 is connect with the second end of the second inductance L2), second electronics
The drain electrode of switch S2 is connect with the anode of the rechargeable battery 201.
The operation principle of the present embodiment wireless headset 200 is described in detail below：Described in the present embodiment wireless headset 200
After second connection end mouth IO2 is inserted into the charging box (not shown) of wireless headset, described in the present embodiment wireless headset 200
Two MCU 203 reset restarting so that and the rechargeable battery 201 in the present embodiment wireless headset 200 is in charged state,
When the rechargeable battery 201 is in charged state, the first signal input part D of the 2nd MCU 203 is in charging circuit
Charging voltage is detected, when the first signal input part D of the 2nd MCU 203 detects no charging voltage, described
The signal output end E of two MCU 203 will export the control terminal of corresponding control signal en2 to the second electronic switch S2, with
It is off-state to control the second electronic switch S2, should if the second connection end mouth IO2 inputs have communication instruction at this time
Communication instruction is then input to the drive amplification circuit 202 via the second capacitance C2, and the drive amplification circuit 202 is by institute
It states after communication instruction carries out drive amplification processing and exports to the second signal input terminal F of the 2nd MCU 203, to realize
Communication function between the present embodiment wireless headset 200 and the charging box of wireless headset.In conclusion the present embodiment wireless headset
The second connection end mouth IO2 in 200 realizes the charging circuit of the present embodiment wireless headset 200 and answering for communication line
With.
The charging box pair of wireless headset can be realized by the second connection end mouth IO2 for the present embodiment wireless headset 200
The charging of the present embodiment wireless headset 200 and communication function, i.e. the present embodiment wireless headset 200 are without being arranged USB or placement 4
Charging and communication function can be realized in a contact point, to greatly reduce the design difficulty of wireless headset；Meanwhile this implementation
Example wireless headset 200 also has the advantages that simple in structure and easy realization.
The present invention also provides a kind of earphone charging communication device, Fig. 3 is earphone of the present invention charging one embodiment of communication device
Electrical block diagram, together referring to FIG. 1, FIG. 2 and FIG. 3, in the present embodiment, the earphone charge communication device include institute as above
The charging box circuit 100 (the charging box circuit of wireless headset i.e. shown in FIG. 1) for the wireless headset stated and as described above wireless
Earphone 200 (wireless headset i.e. shown in Fig. 2), the first connectivity port IO1 of the charging box circuit 100 of the wireless headset and institute
State the second connection end mouth IO2 connections of wireless headset 200.In the present embodiment, the charging box circuit 100 of the wireless headset and institute
The structure for stating wireless headset 200 can refer to above-described embodiment, and details are not described herein.
The operation principle of the present embodiment earphone charging communication device is described in detail below：When the institute of the wireless headset 200
It states after second connection end mouth IO2 is connect with the first connectivity port IO1 of the charging box circuit 100 of the wireless headset (i.e.
After the wireless headset 200 is inserted into the charging box of wireless headset), the 2nd MCU 203 in the wireless headset 200 is first
Reset restarting so that the rechargeable battery 201 in the wireless headset 200 is in charged state.When charging electricity
When pond 201 is in charged state, if the signal of the first MCU 101 in the charging box circuit 100 of the wireless headset is defeated
Enter to hold A to receive the communication instruction of the input of communication instruction input terminal 102 to require to be communicated with the wireless headset 200
When, the first signal output end B of the first MCU 101 in the charging box circuit 100 of the wireless headset answers the output phase
Control signal en1 to the first electronic switch S1 control terminal, to control the first electronic switch S1 by being closed before
State (when the rechargeable battery 201 charges, the first electronic switch S1 is closed state) goes off state, when described the
After one electronic switch S1 is disconnected, the first signal input part D of the 2nd MCU 203 described in the wireless headset 200 will be detected
Without charging voltage, when the first signal input part D of the 2nd MCU 203 detects no charging voltage, the 2nd MCU
203 signal output end E will export the control terminal of corresponding control signal en2 to the second electronic switch S2, to control
It is off-state to state the second electronic switch S2 also, at this time since the first electronic switch S1 and the second electronic switch S2 are equal
It is off, therefore, the first MCU 101 in the charging box circuit 100 of the wireless headset will be described logical at this time
News instruct the second signal output end C, the first capacitance C1 and first connectivity port via the first MCU 101
IO1 is transmitted to the second connection end mouth IO2 in the wireless headset 200, and the communication instruction is again via second electricity
Hold C2 and be input to the drive amplification circuit 202, the drive amplification circuit 202 carries out the communication instruction at drive amplification
It is exported to the second signal input terminal F of the 2nd MCU 203, to realize the charging box circuit of the wireless headset after reason
Communication function between 100 and the wireless headset 200.
The present embodiment earphone charging communication device, when described first in the charging box circuit 100 of the wireless headset connects
Connect the charging that the wireless headset can be realized after port IO1 is connect with the second connection end mouth IO2 in the wireless headset 200
Charging and communication function of the box circuit 100 to the wireless headset 200, i.e. wireless headset 200 described in the present embodiment do not need
Charging and communication function can be realized in 4 contact points of setting USB or placement, to greatly reduce the design of wireless headset
Difficulty；Meanwhile the present embodiment earphone charging communication device also has the advantages that simple in structure and easy realization.
It these are only the preferred embodiment of the present invention, be not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. the charging box circuit of a kind of wireless headset, for communication instruction to be charged and sent out to wireless headset to the nothing
Line earphone with the wireless headset to be communicated, which is characterized in that the charging box circuit of the wireless headset includes for defeated
Enter the charging voltage input terminal of charging voltage, the first regulator circuit unit for carrying out voltage stabilizing to the charging voltage, be used for
It controls the first electronic switch of the charged state of the wireless headset, inputted for inputting the communication instruction of the communication instruction
End, the first termination power unit for being coupled to the communication instruction receive the communication instruction time control for working as
Make first electronic switch be off-state with stop the first MCU to charge to the wireless headset and for pair
The wireless headset charge and carried out with the wireless headset the first connectivity port of communication；Wherein：
The communication instruction input terminal is connect with the signal input part of the first MCU, the first signal output of the first MCU
End is connect with the control terminal of first electronic switch, the first end of first electronic switch and the charging voltage input terminal
Connection, the second end of first electronic switch are connect with the input terminal of first regulator circuit, first termination power
Input terminal connect with the second signal output end of the first MCU, the output end of first regulator circuit and described first
The output end of termination power is connect with first connectivity port.
2. the charging box circuit of wireless headset as described in claim 1, which is characterized in that first regulator circuit includes the
One inductance, the first end of first inductance are the input terminal of first regulator circuit, the first end of first inductance with
The second end of first electronic switch connects, and the second end of first inductance is the output end of first regulator circuit,
The second end of first inductance is connect with first connectivity port.
3. the charging box circuit of wireless headset as claimed in claim 2, which is characterized in that first termination power includes the
One capacitance, the first end of first capacitance are the input terminal of first termination power, the first end of first capacitance with
The second signal output end of first MCU connects, and the second end of first capacitance is the output of first termination power
End, the second end of first capacitance are connect with first connectivity port.
4. the charging box circuit of wireless headset as claimed any one in claims 1 to 3, which is characterized in that first electricity
Sub switch is PMOS tube, and the grid of first electronic switch is connect with the first signal output end of the first MCU, described
The source electrode of one electronic switch is connect with the charging voltage input terminal, the drain electrode of first electronic switch and first voltage stabilizing
The input terminal of circuit connects.
5. a kind of wireless headset, which is characterized in that the wireless headset include rechargeable battery, for input charging voltage and with
The charging box circuit of wireless headset carries out the second connection end mouth of communication, for carrying out the second of voltage stabilizing to the charging voltage
The second termination power that regulator circuit, the communication instruction sent out for the charging box circuit to the wireless headset are coupled,
Drive amplification circuit, the charging shape for controlling the wireless headset for carrying out drive amplification processing to the communication instruction
Second electronic switch of state and for institute to be detected and controlled when detecting no charging voltage to the charging voltage
State the second electronic switch be off-state to stop the 2nd MCU to charge to the rechargeable battery；Wherein：
The input terminal of second regulator circuit and the input terminal of second termination power connect with the second connection end mouth
It connects, the output end of second regulator circuit is connect with the first end of second electronic switch, second electronic switch
Second end is connect with the first signal input part of the 2nd MCU and the rechargeable battery respectively, second electronic switch
Control terminal is connect with the signal output end of the 2nd MCU, output end and the drive amplification electricity of second termination power
The input terminal on road connects, and the output end of the drive amplification circuit is connect with the second signal input terminal of the 2nd MCU.
6. wireless headset as claimed in claim 5, which is characterized in that second regulator circuit includes the second inductance, described
The first end of second inductance is the input terminal of second regulator circuit, and the first end of second inductance is connect with described second
Port connects, and the second end of second inductance is the output end of second regulator circuit, the second end of second inductance
It is connect with the first end of second electronic switch.
7. wireless headset as claimed in claim 6, which is characterized in that second termination power includes the second capacitance, described
The first end of second capacitance is the input terminal of second termination power, and the first end of second capacitance is connect with described second
Port connects, and the second end of second capacitance is the output end of second termination power, the second end of second capacitance
It is connect with the input terminal of the drive amplification circuit.
8. the wireless headset as described in any one of claim 5 to 7, which is characterized in that second electronic switch is PMOS
Pipe, the grid of second electronic switch are connect with the signal output end of the 2nd MCU, the source electrode of second electronic switch
It is connect with the output end of second regulator circuit, the drain electrode of second electronic switch connects with the anode of the rechargeable battery
It connects.
9. wireless headset as claimed in claim 5, which is characterized in that the rechargeable battery is lithium ion battery.
The communication device 10. a kind of earphone charges, which is characterized in that the earphone charging communication device includes the charging of wireless headset
The charging box circuit of box circuit and wireless headset, the wireless headset is wireless headset any one of Claims 1-4
Charging box circuit, the wireless headset is the wireless headset described in any one of claim 5 to 9, the wireless headset
First connectivity port of charging box circuit is connect with the second connection end mouth of the wireless headset.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810411931.9A CN108494058B (en) | 2018-05-02 | 2018-05-02 | Charging box circuit of wireless earphone, wireless earphone and earphone charging communication device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810411931.9A CN108494058B (en) | 2018-05-02 | 2018-05-02 | Charging box circuit of wireless earphone, wireless earphone and earphone charging communication device |
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| Publication Number | Publication Date |
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| CN108494058A true CN108494058A (en) | 2018-09-04 |
| CN108494058B CN108494058B (en) | 2021-03-30 |
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| CN201810411931.9A Active CN108494058B (en) | 2018-05-02 | 2018-05-02 | Charging box circuit of wireless earphone, wireless earphone and earphone charging communication device |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN109510267A (en) * | 2018-11-30 | 2019-03-22 | 歌尔股份有限公司 | The charging method of wireless headset, charging box, wireless headset charging system and wireless headset |
| CN109547884A (en) * | 2018-09-29 | 2019-03-29 | 恒玄科技（上海）有限公司 | Charging bluetooth earphone box system and bluetooth headset test macro |
| CN109660898A (en) * | 2018-12-21 | 2019-04-19 | 成都必盛科技有限公司 | Charging box, earphone and its control method |
| CN109756808A (en) * | 2018-12-14 | 2019-05-14 | 珠海市杰理科技股份有限公司 | Wireless portable electronic equipment, charging unit, system and method |
| CN110474388A (en) * | 2019-08-02 | 2019-11-19 | 深圳市岍丞技术有限公司 | A kind of high efficiency, the charging storehouse of stabilized communication and storehouse of charging communication means |
| CN110933549A (en) * | 2019-11-28 | 2020-03-27 | 歌尔科技有限公司 | Wireless earphone, charging box and wireless earphone charging system |
| CN110958525A (en) * | 2019-12-03 | 2020-04-03 | 青岛歌尔智能传感器有限公司 | Communication method and device of earphone and charging box, wireless earphone and storage medium |
| CN110994718A (en) * | 2019-11-28 | 2020-04-10 | 歌尔科技有限公司 | Wireless earphone, charging box and wireless earphone charging system |
| CN111131955A (en) * | 2019-12-27 | 2020-05-08 | 歌尔科技有限公司 | Communication method of wearable device and charging device, wearable device and system |
| CN111697713A (en) * | 2019-03-16 | 2020-09-22 | 炬芯（珠海）科技有限公司 | Wireless earphone charging control method, wireless earphone and charging box |
| CN111884276A (en) * | 2020-04-20 | 2020-11-03 | 珠海市杰理科技股份有限公司 | Charging system, charging equipment and charging control method |
| WO2021068712A1 (en) * | 2019-10-08 | 2021-04-15 | 上海爻火微电子有限公司 | Wireless earphone charging circuit and wireless earphone box |
| CN114336899A (en) * | 2022-03-08 | 2022-04-12 | 深圳市思远半导体有限公司 | Earphone recognition and charging circuit and method for charging bin |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109547884A (en) * | 2018-09-29 | 2019-03-29 | 恒玄科技（上海）有限公司 | Charging bluetooth earphone box system and bluetooth headset test macro |
| CN109510267A (en) * | 2018-11-30 | 2019-03-22 | 歌尔股份有限公司 | The charging method of wireless headset, charging box, wireless headset charging system and wireless headset |
| CN109756808A (en) * | 2018-12-14 | 2019-05-14 | 珠海市杰理科技股份有限公司 | Wireless portable electronic equipment, charging unit, system and method |
| CN109756808B (en) * | 2018-12-14 | 2024-03-19 | 珠海市杰理科技股份有限公司 | Wireless portable electronic device, charging device, system and method |
| CN109660898A (en) * | 2018-12-21 | 2019-04-19 | 成都必盛科技有限公司 | Charging box, earphone and its control method |
| CN109495807A (en) * | 2018-12-26 | 2019-03-19 | 上海与德通讯技术有限公司 | A kind of charging bluetooth earphone box and bluetooth headset |
| CN111697713A (en) * | 2019-03-16 | 2020-09-22 | 炬芯（珠海）科技有限公司 | Wireless earphone charging control method, wireless earphone and charging box |
| CN111697713B (en) * | 2019-03-16 | 2022-04-29 | 炬芯科技股份有限公司 | Wireless earphone charging control method, wireless earphone and charging box |
| CN110474388A (en) * | 2019-08-02 | 2019-11-19 | 深圳市岍丞技术有限公司 | A kind of high efficiency, the charging storehouse of stabilized communication and storehouse of charging communication means |
| WO2021068712A1 (en) * | 2019-10-08 | 2021-04-15 | 上海爻火微电子有限公司 | Wireless earphone charging circuit and wireless earphone box |
| CN110994718A (en) * | 2019-11-28 | 2020-04-10 | 歌尔科技有限公司 | Wireless earphone, charging box and wireless earphone charging system |
| CN110933549B (en) * | 2019-11-28 | 2021-06-15 | 歌尔科技有限公司 | Wireless earphone, charging box and wireless earphone charging system |
| CN110994718B (en) * | 2019-11-28 | 2023-11-07 | 歌尔科技有限公司 | Wireless earphone, charging box and wireless earphone charging system |
| CN110933549A (en) * | 2019-11-28 | 2020-03-27 | 歌尔科技有限公司 | Wireless earphone, charging box and wireless earphone charging system |
| CN110958525A (en) * | 2019-12-03 | 2020-04-03 | 青岛歌尔智能传感器有限公司 | Communication method and device of earphone and charging box, wireless earphone and storage medium |
| CN111131955A (en) * | 2019-12-27 | 2020-05-08 | 歌尔科技有限公司 | Communication method of wearable device and charging device, wearable device and system |
| CN111884276A (en) * | 2020-04-20 | 2020-11-03 | 珠海市杰理科技股份有限公司 | Charging system, charging equipment and charging control method |
| CN111884276B (en) * | 2020-04-20 | 2022-02-11 | 珠海市杰理科技股份有限公司 | Charging system, charging equipment and charging control method |
| CN114336899A (en) * | 2022-03-08 | 2022-04-12 | 深圳市思远半导体有限公司 | Earphone recognition and charging circuit and method for charging bin |
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