CN209642936U - A kind of charging cabin, bluetooth headset and charging bluetooth earphone system - Google Patents
A kind of charging cabin, bluetooth headset and charging bluetooth earphone system Download PDFInfo
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- CN209642936U CN209642936U CN201920826329.1U CN201920826329U CN209642936U CN 209642936 U CN209642936 U CN 209642936U CN 201920826329 U CN201920826329 U CN 201920826329U CN 209642936 U CN209642936 U CN 209642936U
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Abstract
The utility model discloses a kind of charging cabin, bluetooth headset and charging bluetooth earphone system, wherein charging cabin includes first port and second port；When bluetooth headset is placed in charging cabin, the first port is connect with the third port of the bluetooth headset, and the second port is connect with the 4th port of the bluetooth headset；The charging cabin is used to convey electric current to the bluetooth headset by the first port, and the voltage signal of the electric current includes high level and low level；The charging cabin is used to receive the feedback signal from the earphone by the second port.It is realized by two ports (i.e. two-wire power supply) to charging bluetooth earphone and carries out both-way communication with bluetooth headset in charging cabin provided by the utility model, without additionally increasing independent telecommunication circuit, Material Cost and circuit design difficulty are reduced, the structure size in charging cabin and bluetooth headset is advantageously reduced.
Description
Technical field
The utility model relates to earphone field more particularly to a kind of charging cabins, bluetooth headset and charging bluetooth earphone system.
Background technique
With the fast development of the communication technology, bluetooth headset is more more and more universal, gives people's lives, work and learning tape
Great convenience is carried out.
Currently, most bluetooth headset usually uses built-in rechargeable battery as power supply.To guarantee bluetooth headset
Normal use, need to charge to the rechargeable battery in bluetooth headset, such as user do not use bluetooth headset when, by bluetooth
It charges in the charging cabin that earphone is put into the bluetooth headset.Charging is equipped with the display for showing charging bluetooth earphone state out of my cabin
Device facilitates user to check the charged state of bluetooth headset by display device, therefore, charges and needs between cabin and bluetooth headset
There is communication connection.
Existing charging cabin circuit comes in fact with the mode for increasing independent communication line in Bluetooth earphone circuit, is generallyd use
The communication now charged between cabin and bluetooth headset.Additional increased communication line not only increases Material Cost, also increases electricity
Road design difficulty, there is also the problems that structure space is limited on small size charging cabin and bluetooth headset.
Utility model content
The utility model provides a kind of charging cabin, bluetooth headset and charging bluetooth earphone system, (i.e. by two ports
Two-wire power supply) it realizes to charging bluetooth earphone and carries out both-way communication with bluetooth headset, without additionally increasing independent communication electricity
Road reduces Material Cost and circuit design difficulty, advantageously reduces the structure size in charging cabin and bluetooth headset.
In a first aspect, the utility model embodiment provides a kind of charging cabin, the charging cabin includes first port and
Two-port netwerk；
When bluetooth headset is placed in charging cabin, the first port is connect with the third port of the bluetooth headset, institute
Second port is stated to connect with the 4th port of the bluetooth headset；
The charging cabin is used to convey electric current, the voltage letter of the electric current to the bluetooth headset by the first port
Number include high level and low level；
The charging cabin is used to receive the feedback signal from the earphone by the second port.
Optionally, the charging cabin further includes first microprocessor, the first transformer and the first power supply；
The first end of first power supply respectively with the power input of first transformer and first micro process
The power input of device connects, the second end ground connection of first power supply；
The power output end of first transformer is connect with the first port, the power supply control of first transformer
Signal input part is connect with the power control signal output end of the first microprocessor；
First signal receiving end of the first microprocessor is connect with the second port.
Optionally, the charging cabin further includes the first control transistor, first resistor and second resistance；
The first end of the first control transistor is connect with the second port, and the second of the first control transistor
End is connect with the first end of the first resistor, the second end ground connection of the first resistor, the control of the first control transistor
End processed is connect with the first output end of the first microprocessor；
The first end of the first resistor is connect with the second signal receiving end of the first microprocessor；
The first end of the second resistance is connect with the second port, the second end ground connection of the second resistance.
Optionally, the charging cabin further includes the second control transistor, the first end ground connection of the second control transistor,
It is described second control transistor second end connect with the first port, it is described second control transistor control terminal with it is described
The second output terminal of first microprocessor connects.
Optionally, the charging cabin further includes display device, the display device, the display device and described first micro-
The display signal output end of processor connects, and the first microprocessor is used to drive the display to fill according to the feedback signal
Set display.
Second aspect, the utility model embodiment provide a kind of bluetooth headset, including third port and the 4th port；
When bluetooth headset is placed in charging cabin, the third port is connect with the first port in charging cabin, and the described 4th
Port is connect with the second port in the charging cabin；
The bluetooth headset is used to receive the electric current from the charging cabin, the electricity of the electric current by the third port
Pressing signal includes high level and low level；
The bluetooth headset is used to convey feedback signal to the charging cabin by the 4th port.
Optionally, the bluetooth headset further includes the second microprocessor, the second transformer, third control transistor and second
Power supply；
The power input of second transformer is connect with the third port, the power supply output of second transformer
End is connect with the power input of the first end of the second source and second microprocessor respectively, the second source
Second end ground connection；
The signal input part of second microprocessor is connect with the third port；
The first end of the third control transistor is connect with the third port, and the second of the third control transistor
End is connect with the 4th port, the control terminal of the third control transistor and the signal output end of second microprocessor
Connection.
Optionally, the bluetooth headset further includes 3rd resistor and the 4th resistance；
The first end of the 3rd resistor is connect with the third port, the second end of the 3rd resistor and the described 4th
The first end of resistance connects, and the second end of the 4th resistance is connect with the 4th port, the second end of the 4th resistance
Ground connection.
Optionally, the bluetooth headset further includes rectifying transistor and filter capacitor；
The first end of the rectifying transistor is connect with the third port, the second end of the rectifying transistor with it is described
The power input of second transformer connects；
The first end of the filter capacitor is connect with the second end of the rectifying transistor, the second end of the filter capacitor
Ground connection.
The third aspect, the utility model embodiment provide a kind of charging bluetooth earphone system, including such as the utility model
Charging cabin and the bluetooth headset as described in the utility model second aspect described in first aspect.
In the utility model embodiment, charging cabin conveys electric current, electricity to the third port of bluetooth headset by first port
The voltage signal of stream includes high level and low level, and charging cabin forms communication letter by control high level and low level timing
Number, bluetooth headset forms feedback signal according to communication signal, and sends this time to the second port in charging cabin by the 4th port
Feedback signal.The utility model is realized to charging bluetooth earphone by two ports (i.e. two-wire power supply) and is carried out with bluetooth headset double
Material Cost and circuit design difficulty are reduced, charging is advantageously reduced without additionally increasing independent telecommunication circuit to communication
The structure size in cabin and bluetooth headset.
Detailed description of the invention
The utility model is described in further detail below according to drawings and examples.
Fig. 1 is a kind of partial structural diagram in cabin of charging provided by the embodiment of the utility model；
Fig. 2 is a kind of partial structural diagram of bluetooth headset provided by the embodiment of the utility model；
Fig. 3 is a kind of circuit structure diagram in cabin of charging provided by the embodiment of the utility model；
Fig. 4 is a kind of circuit structure diagram of bluetooth headset provided by the embodiment of the utility model；
Fig. 5 is a kind of circuit structure diagram of charging bluetooth earphone system provided by the embodiment of the utility model.
Specific embodiment
The technical issues of to solve the utility model, the technical solution of use and the technical effect that reaches are clearer,
It is described in further detail below in conjunction with technical solution of the attached drawing to the utility model embodiment, it is clear that described reality
Applying example is only the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention,
It is practical new to belong to this for those skilled in the art's every other embodiment obtained without creative efforts
The range of type protection.
In the description of the present invention, unless otherwise clearly defined and limited, term " connected ", " connection ", " Gu
It is fixed " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.For the ordinary skill in the art, it can be managed with concrete condition
Solve the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to
Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above "
One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special
Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only
Indicate that first feature horizontal height is less than second feature.
The utility model embodiment provides a kind of charging cabin, and Fig. 1 is a kind of charging provided by the embodiment of the utility model
The partial structural diagram in cabin is provided with and bluetooth ear as shown in Figure 1, charging cabin includes first shell 10 in first shell 10
The adaptable holding tank of machine, there are two metal thimbles for the interior setting of holding tank, respectively as the first port 11 and second in charging cabin
Port 12.
Fig. 2 is a kind of partial structural diagram of bluetooth headset provided by the embodiment of the utility model, as shown in Fig. 2, blue
Tooth earphone includes second shell 20, and the surface setting of second shell 20 is there are two hard contact, respectively as the of bluetooth headset
Three ports 21 and the 4th port 22.
When bluetooth headset is placed in the holding tank in charging cabin, metal thimble is in electrical contact with corresponding hard contact, that is, is filled
The first port 11 in electric cabin is connect with the third port 21 of bluetooth headset, the second port 12 in cabin of charging and the 4th of bluetooth headset
Port 22 connects.
Cabin charge for conveying electric current to bluetooth headset by first port 11, to charging bluetooth earphone；While electric current
Voltage signal includes high level and low level, and charging cabin controls high level and low level timing, communication signal formed, so that blue
Tooth earphone sends feedback signal to charging cabin according to the communication signal, alternatively, so that bluetooth headset is emptied according to the communication signal
The pair record of bluetooth headset and smart machine.
Cabin charge for receiving the feedback signal from bluetooth headset by second port 12, charging cabin is believed according to the feedback
Number, it performs corresponding processing.Illustratively, which may include charging status information (such as the bluetooth of bluetooth headset
The electricity of earphone), charging cabin can also include display device, and charging cabin drives display device to show currently according to the feedback information
The electricity of bluetooth headset.
Charging cabin provided by the embodiment of the utility model conveys electric current to bluetooth headset by first port, to bluetooth ear
Machine charging, the voltage signal of electric current include that high level and low level are formed and communicated by control high level and low level timing
Signal, bluetooth headset send feedback signal to charging cabin according to the communication signal, and cabin of charging receives the feedback by second port
Signal.Charging cabin provided by the embodiment of the utility model realized by two ports (i.e. two-wire power supply) to charging bluetooth earphone and
Both-way communication is carried out with bluetooth headset, without additionally increasing independent telecommunication circuit, Material Cost is reduced and circuit design is difficult
Degree advantageously reduces the structure size in charging cabin and bluetooth headset.
Fig. 3 is a kind of circuit structure diagram in cabin of charging provided by the embodiment of the utility model, as shown in figure 3, practical at this
In novel one embodiment, charging cabin further includes first microprocessor U1, the first transformer T1 and the first power supply BT1.
Wherein, the first power supply BT1 is rechargeable battery, and the first end of the first power supply BT1 is respectively with the first transformer T1's
Power input BAT is connected with the power input BAT of first microprocessor U1, the second end ground connection of the first power supply BT1, and first
The common node of the power input BAT of power supply BT1, the power input BAT of the first transformer T1 and first microprocessor U1
Also it is connect with extraneous power input VT.First power supply BT1 is used to provide work for first microprocessor U1 and the first transformer T1
Make voltage, the first power supply BT1 electricity is lower need to charge when, extraneous power input VT accesses extraneous power supply, for the
One power supply BT1 charging, and operating voltage is provided for first microprocessor U1 and the first transformer T1.
The power output end of first transformer T1 is connect with first port 11, and the power control signal of the first transformer T1 is defeated
Enter to hold EN to connect with the power control signal output end Ctrl of first microprocessor U1.First microprocessor U1 is used for according to user
Input instruction, such as user, by the key on charging cabin, the request instruction of electrical quantity of bluetooth headset, first micro- place are checked in input
It manages device U1 and signal, the first transformer T1 root is controlled by power control signal output end Ctrl out-put supply according to the request instruction
High level and low level timing according to the voltage signal of power control signal control output, form communication signal, so that blue
Tooth earphone sends feedback signal to charging cabin according to the communication signal.
The first signal receiving end (Signai_Detection) of first microprocessor U1 is connect with second port 12, and first
Microprocessor U1 receives the feedback signal, and the electricity of display device display bluetooth headset is driven according to the feedback signal.
The ground terminal (GND) of first microprocessor U1 and the first transformer T1 is grounded respectively.
Display device is connect with the display signal output end of first microprocessor U1, and first microprocessor U1 is used for basis and returns
Feedback signal driving display device is shown.Optionally, display device may include at least one LED light, wherein a reality
It applies in example, display device may include 4 LED lights, is LED1, LED2, LED3 and LED4 respectively, passes through 4 LED indications
Lamp lights quantity to indicate the electricity of different bluetooth headsets.For example, when full electricity, 4 LED light all lights；Low battery shape
When state, 1 LED light is lighted.
Charging cabin further includes the first control transistor Q1, first resistor R1, second resistance in one of the embodiments,
R2。
The first end of first control transistor Q1 connect with second port 12, and first controls the second end of transistor Q1 and the
The first end of one resistance R1 connects, the second end ground connection of first resistor R1, the control terminal of the first control transistor Q1 and first micro-
The first output end (CH_Ctrl) of processor U1 connects.
The first end of first resistor R1 and the second signal receiving end (Charge_Detection) of first microprocessor U1
Connection.
The first end of second resistance R2 is connect with second port 12, the second end ground connection of second resistance R2.
Optionally, charging cabin further includes the 5th resistance R5, the 6th resistance R6 and the 7th resistance in one of the embodiments,
R7.Wherein, the 5th resistance R5 is connected to the first signal receiving end of first microprocessor U1 and the first end of the first transistor Q1
Between；6th resistance R6 be connected to first microprocessor U1 the first output end and first control transistor Q1 control terminal it
Between；One end of 7th resistance R7 is connect with the control terminal of the first transistor Q1, the other end ground connection of the 7th resistance R7.
Optionally, charging cabin further includes the second control transistor Q2, and the first end of the second control transistor Q2 is grounded, and second
The second end of control transistor Q2 is connect with first port 11, the control terminal and first microprocessor U1 of the second control transistor Q2
Second output terminal (Signal_TX) connection.The first power supply BT1 constant dc inputted is transformed to wrap by the first transformer T1
High level and low level Rectified alternating current are included, during high level changes to low level, is existed in the first transformer T1
Capacity cell can hinder this change procedure so that the failing edge of this variation is elongated, reduce the knowledge of bluetooth headset
Other accuracy.In the present embodiment, first microprocessor U1 issues control signal to the control terminal of the second control transistor Q2, the
When the output voltage of one transformer T1 changes from high level to low level, control the second control transistor Q2 conducting becomes first
The output voltage of depressor T1 is pulled low to rapidly low level (zero potential), the second control transistor Q2 cut-off is controlled later, to contract
The failing edge when output voltage of short first transformer T1 changes from from high level to low level improves the identification essence of bluetooth headset
Degree.
Optionally, charging cabin further includes the 8th resistance R8, the 9th resistance R9 and the tenth resistance R10.Wherein, the 8th resistance R8
First end connect with first port 11, the second end of the 8th resistance R8 with second control transistor Q2 second end connect；The
Nine resistance R9 are connected between the second output terminal of first microprocessor U1 and the control terminal of the second control transistor Q2；Tenth electricity
The first end for hindering R10 is connect with the control terminal of the second control transistor Q2, the second end ground connection of the tenth resistance R10.
The utility model embodiment provides a kind of bluetooth headset, the partial structural diagram of the bluetooth headset such as Fig. 2 institute
Show, bluetooth headset includes second shell 20, and there are two hard contacts for the surface setting of second shell 20, respectively as bluetooth headset
Third port 21 and the 4th port 22.
As shown in Figure 1, charging cabin includes first shell 10, the appearance being adapted with bluetooth headset is provided in first shell 10
Receive slot, there are two metal thimbles for setting in holding tank, respectively as the first port 11 and second port 12 in charging cabin.Work as bluetooth
When earphone is placed in the holding tank in charging cabin, metal thimble is in electrical contact with corresponding hard contact, that is, the first port in cabin of charging
11 connect with the third port 21 of bluetooth headset, and the second port 12 in cabin of charging is connect with the 4th port 22 of bluetooth headset.
Bluetooth headset is used to receive by third port 21 come the electric current in self-charging cabin, to charging bluetooth earphone, electric current
Voltage signal includes high level and low level, and charging cabin controls high level and low level timing, forms communication signal, bluetooth ear
Machine sends feedback signal to charging cabin by the 4th port 22 according to the communication signal.Illustratively, which can wrap
The charging status information (such as electricity of bluetooth headset) of bluetooth headset is included, charging cabin can also include display device, cabin of charging
The electricity of display device display current Bluetooth earphone is driven according to the feedback information.
Bluetooth headset provided by the embodiment of the utility model, by third port reception come the electric current in self-charging cabin, to indigo plant
The charging of tooth earphone, the voltage signal of electric current include high level and low level, form communication signal, and pass through according to the communication signal
4th port sends feedback signal to charging cabin.Bluetooth headset provided by the embodiment of the utility model passes through two ports (i.e. two
Line power supply) it realizes to charging bluetooth earphone and carries out both-way communication with charging cabin, without additionally increasing independent telecommunication circuit, drop
Low Material Cost and circuit design difficulty advantageously reduce the structure size in charging cabin and bluetooth headset.
Fig. 4 is a kind of circuit structure diagram of bluetooth headset provided by the embodiment of the utility model, optionally, as shown in figure 4,
Bluetooth headset further includes the second microprocessor U2, the second transformer T2, third control transistor Q3 and second source BT2.
Wherein, the power input BAT of the second transformer T2 is connect with third port 21, and the power supply of the second transformer T2 is defeated
Outlet is connect with the power input BAT of the first end of second source BT2 and the second microprocessor U2 respectively, second source BT2
Second end ground connection.
First power supply BT1 is rechargeable battery, for providing operating voltage for the second microprocessor U2.
The signal input part (Signai_Detection) of second microprocessor U2 is connect with third port 21.
The first end of third control transistor Q3 connect with third port 21, the second end and the of third control transistor Q3
The connection of four ports 22, third control the control terminal of transistor Q3 and the signal output end (Signal_TX) of the second microprocessor U2
Connection.
The ground terminal (GND) of second transformer T2 and the second microprocessor U2 is grounded respectively.
Optionally, the utility model in one embodiment, bluetooth headset further includes 3rd resistor R3 and the 4th
Resistance R4.
Wherein, the first end with third port 21 of 3rd resistor R3 is connect, the second end of 3rd resistor R3 and the 4th resistance
The first end of R4 connects, and the second end of the 4th resistance R4 is connect with the 4th port 22, the second end ground connection of the 4th resistance R4.
Optionally, the utility model in one embodiment, bluetooth headset further includes eleventh resistor R11,
12 resistance R12 and thirteenth resistor R13.Eleventh resistor R11 is connected to the signal output end and of the second microprocessor U2
Between the control terminal of three control transistor Q3；One end of twelfth resistor R12 is connect with the control terminal of third control transistor Q3,
Other end ground connection；The first end of thirteenth resistor is connect with third port 21, and second end and the third control of thirteenth resistor are brilliant
The first end of body pipe Q3 connects.
Optionally, the bluetooth headset further includes rectifying transistor D1 and filter capacitor C1.
Wherein, the first end with third port 21 of rectifying transistor D1 is connect, the second end of rectifying transistor D1 and second
The power input of transformer T2 connects；
The first end of filter capacitor C1 is connect with the second end of rectifying transistor D1, the second end ground connection of filter capacitor C1.
Rectifying transistor D1 and filter capacitor C1 is used to carry out rectifying and wave-filtering to the electric current of charging cabin input, by pulsating direct current
Electricity is converted to constant dc, after the processing of the second transformer T2 lowering and stabilizing blood pressure, charges to second source BT2.
The utility model embodiment provides a kind of charging bluetooth earphone system, and Fig. 5 provides for the utility model embodiment
A kind of charging bluetooth earphone system circuit structure diagram, as shown in figure 5, the charging bluetooth earphone system includes as this is practical new
Type charging cabin provided by the above embodiment and such as the utility model bluetooth headset provided by the above embodiment.Charge cabin and bluetooth ear
The circuit structure of machine has been documented in the above-described embodiments, and details are not described herein.
Charging bluetooth earphone system provided by the embodiment of the utility model, including charging cabin and bluetooth headset, charging cabin are logical
It crosses first port and conveys electric current to bluetooth headset, to charging bluetooth earphone, the voltage signal of electric current includes high level and low level,
By control high level and low level timing, communication signal is formed, bluetooth headset is sent according to the communication signal to charging cabin
Feedback signal, cabin of charging receive the feedback signal by second port.Charging bluetooth earphone provided by the embodiment of the utility model
System is realized to charging bluetooth earphone by two ports (i.e. two-wire power supply) and carries out both-way communication with bluetooth headset, and volume is not necessarily to
It is outer to increase independent telecommunication circuit, Material Cost and circuit design difficulty are reduced, charging cabin and bluetooth headset are advantageously reduced
Structure size.
Wherein, the resistance value of second resistance R2 is much larger than first resistor R1, when the first control transistor Q1 cut-off, in circuit
The resistance value of second resistance R2 is very big, leads to electric current very little in circuit, it is believed that bluetooth headset is not charging at this time, when
When one control transistor Q1 conducting, it is incorporated to first resistor R1 in circuit, so that resistance is reduced in circuit, electric current increases, this
When bluetooth headset be in charged state.
Specifically, the working principle of the charging bluetooth earphone system is as follows:
When bluetooth headset is placed in the holding tank in charging cabin, metal thimble is in electrical contact with corresponding hard contact, that is, is filled
The first port 11 in electric cabin is connect with the third port 21 of bluetooth headset, the second port 12 in cabin of charging and the 4th of bluetooth headset
Port 22 connects.At this point, the signal input part of the second microprocessor U2 receives the voltage signal V1 for coming self-charging cabin, second is micro-
Processor U2 exports first control signal to the control terminal of third control transistor Q3 according to voltage signal V1, controls third control
The voltage VCC of the on-off of transistor Q3 processed, the output of charging cabin forms the first feedback signal through 3rd resistor R3 and Q3, then through the 5th
Resistance R5 is detected that first microprocessor U1 drives display device aobvious according to first feedback signal by first microprocessor U1
Show that current Bluetooth earphone enters cabin success.
After bluetooth headset enters cabin success, first microprocessor U1 exports the first level signal (such as low level signal),
Control the first control transistor turns, the pulse direct current of charging cabin output is through bluetooth headset rectifying and wave-filtering and lowering and stabilizing blood pressure
After processing, constant dc is formed, is charged to second source BT2.During charging, first microprocessor U1 passes through first
The size that the second signal receiving end of microprocessor U1 receives the voltage V3, V3 of first resistor R1 first end is the electricity that charges in circuit
The size of stream multiplied by first resistor resistance value.As charging progresses, the charging current in circuit gradually decreases, and works as second source
When BT2 is full of, charging current is zero or lower than a certain threshold value, and V3 is zero or lower than its preset value, first microprocessor U1 at this time
When detecting that V3 is zero or is lower than its preset value, driving display device shows that current Bluetooth earphone electricity has been filled with, meanwhile, first
Microprocessor U1 exports second electrical level signal (such as high level signal), and control the first control transistor cutoff stops as bluetooth
Earphone charging.
After bluetooth headset enters cabin, when user wants to know about the current electric quantity of bluetooth headset, pass through first on charging cabin
Key, input check that the first request instruction of electrical quantity of bluetooth headset, first microprocessor U1 pass through according to first request instruction
Power control signal output end Ctrl out-put supply controls signal, and the first transformer T1 is controlled according to the power control signal and exported
Voltage signal high level and low level timing, formed the first communication signal.Second microprocessor U2's of bluetooth headset
Signal input part receives first communication signal, and the second microprocessor U2 controls transistor to third according to first communication signal
The control terminal of Q3 exports second control signal, the on-off of control third control transistor Q3, and the voltage VCC of charging cabin output is through the
Three resistance R3 and Q3 form the second feedback signal, then through the 5th resistance R5, are detected by first microprocessor U1, the first micro process
Device U1 drives the electricity of display device display current Bluetooth earphone according to second feedback signal.
After bluetooth headset enters cabin, when user wants to empty the pair record of bluetooth headset and smart machine, pass through charging
The second key on cabin, input observe conditions the second request instruction of pair record, and first microprocessor U1 second is asked according to this
Instruction is asked to control signal by power control signal output end Ctrl out-put supply, the first transformer T1 is controlled according to the power supply to be believed
Number control output voltage signal high level and low level timing, formed the second communication signal.The second of bluetooth headset is micro-
The signal input part of processor U2 receives second communication signal, and the second microprocessor U2 empties indigo plant according to second communication signal
The pair record of tooth earphone and smart machine.
In the description of this article, it is to be understood that term " on ", "lower", " right side ", etc. orientation or positional relationships be based on
Orientation or positional relationship shown in the drawings is merely for convenience of description and simplification and operates, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model
Limitation.In addition, term " first ", " second ", are only used to distinguish between description, have no special meaning.
In the description of this specification, the description of reference term " embodiment ", " example " etc. means to combine the embodiment
Or example particular features, structures, materials, or characteristics described are contained at least one embodiment or example of the utility model
In.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the embodiments can also be appropriately combined, and forming those skilled in the art can
With the other embodiments of understanding.
Technical principle of the utility model has been described above with reference to specific embodiments.These descriptions are intended merely to explain this reality
With novel principle, and it cannot be construed to the limitation to scope of protection of the utility model in any way.Based on the explanation herein,
Those skilled in the art, which does not need to pay for creative labor, can associate with other specific implementation modes of this utility model,
These modes are fallen within the protection scope of the utility model.
Claims (10)
1. a kind of charging cabin, which is characterized in that the charging cabin includes first port and second port；
When bluetooth headset is placed in charging cabin, the first port is connect with the third port of the bluetooth headset, and described the
Two-port netwerk is connect with the 4th port of the bluetooth headset；
The charging cabin is used to convey electric current, the voltage signal packet of the electric current to the bluetooth headset by the first port
Include high level and low level；
The charging cabin is used to receive the feedback signal from the earphone by the second port.
2. charging cabin according to claim 1, which is characterized in that the charging cabin further includes first microprocessor, first
Transformer and the first power supply；
The first end of first power supply respectively with the power input of first transformer and the first microprocessor
Power input connection, the second end ground connection of first power supply；
The power output end of first transformer is connect with the first port, the power control signal of first transformer
Input terminal is connect with the power control signal output end of the first microprocessor；
First signal receiving end of the first microprocessor is connect with the second port.
3. charging cabin according to claim 2, which is characterized in that the charging cabin further includes the first control transistor,
One resistance and second resistance；
It is described first control transistor first end connect with the second port, it is described first control transistor second end and
The first end of the first resistor connects, the second end ground connection of the first resistor, the control terminal of the first control transistor
It is connect with the first output end of the first microprocessor；
The first end of the first resistor is connect with the second signal receiving end of the first microprocessor；
The first end of the second resistance is connect with the second port, the second end ground connection of the second resistance.
4. charging cabin according to claim 2, which is characterized in that the charging cabin further includes the second control transistor, institute
The first end ground connection of the second control transistor is stated, the second end of the second control transistor is connect with the first port, institute
The control terminal for stating the second control transistor is connect with the second output terminal of the first microprocessor.
5. charging cabin according to claim 2, which is characterized in that the charging cabin further includes display device, the display
Device, the display device are connect with the display signal output end of the first microprocessor, and the first microprocessor is used for
The display device is driven to show according to the feedback signal.
6. a kind of bluetooth headset, which is characterized in that including third port and the 4th port；
When bluetooth headset is placed in charging cabin, the third port is connect with the first port in charging cabin, the 4th port
It is connect with the second port in the charging cabin；
The bluetooth headset is used to receive the electric current from the charging cabin, the voltage letter of the electric current by the third port
Number include high level and low level；
The bluetooth headset is used to convey feedback signal to the charging cabin by the 4th port.
7. bluetooth headset according to claim 6, which is characterized in that the bluetooth headset further include the second microprocessor,
Second transformer, third control transistor and second source；
The power input of second transformer is connect with the third port, the power output end point of second transformer
It is not connect with the power input of the first end of the second source and second microprocessor, the second of the second source
End ground connection；
The signal input part of second microprocessor is connect with the third port；
The first end of the third control transistor connect with the third port, the third control transistor second end and
The 4th port connection, the control terminal of the third control transistor and the signal output end of second microprocessor connect
It connects.
8. bluetooth headset according to claim 7, which is characterized in that the bluetooth headset further includes 3rd resistor and the 4th
Resistance；
The first end of the 3rd resistor is connect with the third port, the second end of the 3rd resistor and the 4th resistance
First end connection, the second end of the 4th resistance connect with the 4th port, and the second end of the 4th resistance is grounded.
9. bluetooth headset according to claim 7, which is characterized in that the bluetooth headset further includes rectifying transistor and filter
Wave capacitor；
The first end of the rectifying transistor is connect with the third port, the second end of the rectifying transistor and described second
The power input of transformer connects；
The first end of the filter capacitor is connect with the second end of the rectifying transistor, the second termination of the filter capacitor
Ground.
10. a kind of charging bluetooth earphone system, which is characterized in that including charging cabin as described in any one in claim 1-5 and
Bluetooth headset as claim in any one of claims 6-9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920826329.1U CN209642936U (en) | 2019-06-03 | 2019-06-03 | A kind of charging cabin, bluetooth headset and charging bluetooth earphone system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920826329.1U CN209642936U (en) | 2019-06-03 | 2019-06-03 | A kind of charging cabin, bluetooth headset and charging bluetooth earphone system |
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| CN209642936U true CN209642936U (en) | 2019-11-15 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110139183A (en) * | 2019-06-03 | 2019-08-16 | 广州由我科技股份有限公司 | A kind of charging cabin, bluetooth headset and charging bluetooth earphone system |
| CN111740460A (en) * | 2020-06-24 | 2020-10-02 | 歌尔科技有限公司 | Earphone charging control circuit and charging box |
| CN112260334A (en) * | 2020-09-17 | 2021-01-22 | 苏州复鹄电子科技有限公司 | Bluetooth headset supporting communication with charging bin and communication mode |
-
2019
- 2019-06-03 CN CN201920826329.1U patent/CN209642936U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110139183A (en) * | 2019-06-03 | 2019-08-16 | 广州由我科技股份有限公司 | A kind of charging cabin, bluetooth headset and charging bluetooth earphone system |
| CN111740460A (en) * | 2020-06-24 | 2020-10-02 | 歌尔科技有限公司 | Earphone charging control circuit and charging box |
| CN112260334A (en) * | 2020-09-17 | 2021-01-22 | 苏州复鹄电子科技有限公司 | Bluetooth headset supporting communication with charging bin and communication mode |
| CN112260334B (en) * | 2020-09-17 | 2023-01-06 | 苏州复鹄电子科技有限公司 | Bluetooth headset supporting communication with charging bin and communication mode |
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