CN207053218U - Earphone charging box - Google Patents
Earphone charging box Download PDFInfo
- Publication number
- CN207053218U CN207053218U CN201720861322.4U CN201720861322U CN207053218U CN 207053218 U CN207053218 U CN 207053218U CN 201720861322 U CN201720861322 U CN 201720861322U CN 207053218 U CN207053218 U CN 207053218U
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- circuit
- microcontroller
- electric quantity
- charging box
- earphone charging
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Abstract
It the utility model is related to a kind of earphone charging box.It includes：Rechargeable battery, microcontroller, cell voltage obtain circuit, sensor circuit and electric quantity display circuit；The cell voltage obtains the current voltage that circuit obtains the rechargeable battery；The sensor circuit detects the change information of environment, and sends trigger signal to the microcontroller according to the change information；The microcontroller obtains the current voltage of circuit reading rechargeable battery according to the trigger signal from the cell voltage, and controls the electric quantity display circuit to show current electric quantity according to the current voltage；The electric quantity display circuit shows the current electric quantity of the rechargeable battery under the control of the microcontroller.It uses the change of sensor circuit induced environment, and triggers microcontroller according to environmental change and show current residual electricity, is user-friendly.
Description
【Technical field】
It the utility model is related to electronic technology field, more particularly to a kind of earphone charging box.
【Background technology】
As some smart electronicses products cancel 3.5mm earphone delivery outlets.The application of wireless headset has welcome explosion type
Growth, such as bluetooth earphone.It is exactly to need to precharge that wireless headset has an important difference with traditional earphone, charging
It could use later.Therefore, the earphone charging box to be charged with regard to there is being dedicated for wireless headset.
But earphone charging box be also need in advance it is charged, then carry with go out just it is more convenient, so, for
For family, it is known that whether earphone charging box also has abundant dump energy just to seem particularly significant.Or even make at home
With, it is also desirable to know whether earphone charging box needs to be charged in time, therefore, if earphone charging box can not prompt the user with
Dump energy, then it can be made troubles to use.
【Utility model content】
The technical problems to be solved in the utility model is to provide a kind of wireless headset charging that can show dump energy
Earphone charging box.
In order to solve the above technical problems, the utility model provides following technical scheme：
The utility model provides a kind of earphone charging box, and the earphone charging box includes：Rechargeable battery, microcontroller, electricity
Cell voltage obtains circuit, sensor circuit and electric quantity display circuit；The cell voltage obtains circuit, for obtaining the chargeable electricity
The current voltage in pond；The sensor circuit, sent out for detecting the change information of environment, and according to the change information to the microcontroller
Go out trigger signal；The microcontroller, rechargeable battery is read for obtaining circuit from the cell voltage according to the trigger signal
Current voltage, and control the electric quantity display circuit to show current electric quantity according to the current voltage；The electric quantity display circuit, for
The current electric quantity of the rechargeable battery is shown under the control of the microcontroller.
The beneficial effects of the utility model are：Using the change of sensor circuit induced environment, triggered according to environmental change
Microcontroller, current residual electricity is shown by microprocessor control electric quantity display circuit.Thus, user can fill according to the earphone
The current dump energy of electric box, it is determined whether needs charge to the earphone charging box, or can be carried out
Door, convenient use.
【Brief description of the drawings】
The circuit theory diagrams of the embodiment one of Fig. 1 the utility model earphone charging boxes；
The circuit theory diagrams of the embodiment two of Fig. 2 the utility model earphone charging boxes；
The circuit theory diagrams of the embodiment three of Fig. 3 the utility model earphone charging boxes；
The circuit theory diagrams of the embodiment four of Fig. 4 the utility model earphone charging boxes；
The circuit theory diagrams of the embodiment five of Fig. 5 the utility model earphone charging boxes；
The circuit theory diagrams of the embodiment six of Fig. 6 the utility model earphone charging boxes；
The circuit theory diagrams of the embodiment seven of Fig. 7 the utility model earphone charging boxes.
Reference：
| Microcontroller | 10 |
| Charging circuit | 20 |
| Rechargeable battery | 30 |
| Cell voltage obtains circuit | 40 |
| Sensor circuit | 50 |
| Control signal circuit | 51 |
| Hook switch | 52 |
| Emotion device | 53 |
| Electric quantity display circuit | 60 |
| LED | 61 |
| Current-limiting resistance | R1 |
| Divider resistance | R2、R3 |
【Embodiment】
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining this
Utility model, it is not used to limit the utility model.But the utility model can be realized in many different forms, and
It is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is made in disclosure of the present utility model
The understanding of appearance more thorough and comprehensive.
Unless otherwise defined, all technologies practical this paper and scientific terminology are led with belonging to technology of the present utility model
The implication that the technical staff in domain is generally understood that is identical.It is simply in term used in the description of the present utility model herein
The purpose of description specific embodiment, it is not intended that limitation the utility model.Term as used herein "and/or" includes one
The arbitrary and all combination of individual or multiple related Listed Items.
Refer to Fig. 1, the circuit theory diagrams of the embodiment one of the utility model earphone charging box.The earphone charges
Box includes：Microcontroller 10, rechargeable battery 30, cell voltage obtain circuit 40, sensor circuit 50 and electric quantity display circuit
60。
The rechargeable battery 30, for providing electric energy；Lithium ion battery is used in this embodiment；
The cell voltage obtains circuit 40, for obtaining the current voltage of the rechargeable battery 30；
The sensor circuit 50, sent out for detecting the change information of environment, and according to the change information to the microcontroller 10
Go out trigger signal；
The microcontroller 10, for according to the trigger signal, obtaining circuit 40 from the cell voltage and reading rechargeable battery
30 current voltage, and control the electric quantity display circuit 60 to show the current electric quantity；
The electric quantity display circuit 60, for showing the current electricity of the rechargeable battery 30 under the control of the microcontroller 10
Amount.Specifically, the dump energy of the rechargeable battery 30 display can be the ratio or near between current electric quantity and full power consumption
Like ratio or the numerical value of dump energy.
The earphone charging box also includes：Charging circuit 20, the rechargeable battery 30 is by the charging circuit 20 to be charged
Earphone stable charging voltage is provided.
Specific embodiment of the present utility model one is triggered using the change of sensor circuit induced environment according to environmental change
Microcontroller, current residual electricity is shown by microprocessor control electric quantity display circuit.Thus, user can fill according to the earphone
The current dump energy of electric box, it is determined whether needs charge to the earphone charging box, or can be carried out
Door, convenient use.
Continuing with reference to Fig. 2, the circuit theory diagrams of the embodiment two of the utility model earphone charging box.It is specific real
Apply mode two and be that the sensor circuit 50 includes with the difference of embodiment one：One hook switch 52.
The hook switch 52 is connected to one of the microcontroller 10 between input interface and ground；The microcontroller 10 simultaneously
The input interface pass through current-limiting resistance R1 access supply voltage.
When hook switch 52 turns on, input interface ground connection, i.e. the trigger signal is changed into low level from high level；Then
The microcontroller 10 reads the current voltage that cell voltage obtains circuit 40, and control and be somebody's turn to do when the trigger signal is low level
Electric quantity display circuit 60 is according to the current electric quantity.
Optionally, it is to be understood that the sensor circuit 50 it can also be provided that：The hook switch 52 and current-limiting resistance R1
One of the microcontroller 10 is connected in series between input interface and power supply.
When hook switch 52 disconnects, the control signal circuit 51 output is low level, i.e. trigger signal is low level；
When the hook switch 52 turns on, the control signal circuit 51 output high level, i.e. trigger signal is high level.
Then, then the microcontroller 10 when trigger signal is high level, reads the current electricity that cell voltage obtains circuit 40
Pressure, and the electric quantity display circuit 60 is controlled according to the current electric quantity.
In use, the hook switch 52 is arranged in the slot for being charged to the earphone, filled when earphone is put into the earphone
When electric box is charged, the earphone can depress the hook switch 52, and hook switch 52 turns on, then control signal circuit 51
The trigger signal level of output changes, and microcontroller 10 then obtains circuit 40 from the cell voltage and reads the rechargeable battery
30 current voltage, and control the electric quantity display circuit 60 to show the current electric quantity according to the current voltage.
The earphone that the sensor circuit of specific embodiment of the present utility model two is electrically charged using hook switch sensing is put into
With the state of taking-up, and according to the change triggers microcontroller, current residual is shown by microprocessor control electric quantity display circuit
Electricity.Thus, user is in charging process, and can recognizes the current dump energy of the earphone charging box in passing, it is determined that being
Whether no needs charge to the earphone charging box, or can be carried and gone out.Convenient use.
Continuing with reference to Fig. 3, the circuit theory diagrams of the embodiment three of the utility model earphone charging box.It is specific real
Apply mode three and be that the sensor circuit 50 also includes with the difference of embodiment two：One control signal circuit 51.
The input interface of the microcontroller 10, the control signal circuit 51, the hook switch 52 and power supply are sequentially connected in series company
Connect.
When the state of hook switch 52 changes, when being such as changed into conducting state from off-state, the control signal circuit
The level of the trigger signal of 51 outputs also changes therewith.Microcontroller 10 is then according to the change of the trigger signal, from the electricity
Cell voltage obtains circuit 40 and reads the current voltage of the rechargeable battery 30, and controls the electric quantity display circuit 60 current according to this
Voltage shows the current electric quantity.
Such as：When hook switch 52 turns on, the control signal circuit 51 output low level signal, when hook switch 52 is disconnected
When opening, the control signal circuit 51 output high level signal；It is or on the contrary.And microcontroller 10 is then in the trigger signal by low
When level signal becomes high level signal, the current voltage of the reading of circuit 40 rechargeable battery 30 is obtained from the cell voltage,
And the electric quantity display circuit 60 is controlled to show the current electric quantity according to the current voltage.Or microcontroller 10 then touches at this
When becoming low level signal by high level signal of signalling, obtain circuit 40 from the cell voltage and read the rechargeable battery 30
Current voltage, and control the electric quantity display circuit 60 to show the current electric quantity according to the current voltage.
Specifically, the control signal circuit 51 is made up of nomotron, such as：The triode of on off state is operated in,
Either MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor, MOSFET crystal
Pipe).For example, when hook switch 52 turns on, nomotron conducting, control signal circuit 51 exports low level；When stage clip is opened
When closing 52 disconnection, nomotron cut-off, control signal circuit 51 exports high level.As those skilled in the art, according to this
The design philosophy that the embodiment that utility model provides provides, it can be formed with one or more nomotrons different
Control signal circuit 51, do not repeated one by one then at this.
In use, the hook switch 52 is arranged in the slot for being charged to the earphone, filled when earphone is put into the earphone
When electric box is charged, the earphone can depress the hook switch 52, and hook switch 52 turns on, then control signal circuit 51
The trigger signal of output is converted to low level from high level, and microcontroller 10 then obtains the reading of circuit 40 from the cell voltage, and this can
The current voltage of rechargeable battery 30, and control the electric quantity display circuit 60 to show the current electric quantity according to the current voltage.Specifically
, can also actually be arranged to, trigger signal is high level from low transition, trigger the microcontroller 10 start read work as
Preceding electricity.
The sensor circuit of specific embodiment of the present utility model three is using hook switch sensing and control signal circuit knot
Close, sense the state that the earphone being electrically charged is put into and taken out, and according to the change triggers microcontroller, by microprocessor control electricity
Measure display circuit and show current residual electricity.Thus, user is in charging process, and can recognizes the earphone charging box in passing
Current dump energy, it is determined whether needs charge to the earphone charging box, or can be carried and gone out.It is convenient
Use.
Continuing with reference to Fig. 4, the circuit theory diagrams of the embodiment four of the utility model earphone charging box.It is specific real
Apply mode four and be that the sensor circuit 50 includes with the difference of embodiment one：One inductor 53.
The inductor 53 is connected with an input interface of the microcontroller 10.The inductor 53 is used to sense earphone charging
Box rocks.
When the inductor 53 senses when rocking of earphone charging box, trigger signal is exported to microcontroller 10, microcontroller
Device 10 then obtains circuit 40 from the cell voltage and reads the current voltage of the rechargeable battery 30, and controls the electric quantity display circuit
60 show the current electric quantity according to the current voltage.
Specifically, working as the earphone charging box under static state, the output end of inductor 53 output is high level, when this
When earphone charging box has weak vibrations, the output end of inductor 53 output is low level, when what microcontroller 10 received touches
Signal from high level become low level when, then the microcontroller 10 from the cell voltage obtain circuit 40 read current voltage,
And the electric quantity display circuit 60 is controlled to show the current electric quantity according to the current voltage.
The earphone charging box that specific embodiment of the present utility model four provides, earphone charging box is sensed using inductor
Rock, i.e. when the earphone charging box is lifted or produces weak vibrations by other reasonses, the microcontroller will control electricity
Display circuit shows the current electric quantity, and therefore, user is in use very easily it is known that earphone charging box is worked as
Preceding dump energy.
Continuing with reference to Fig. 5, the circuit theory diagrams of the embodiment five of the utility model earphone charging box.It is specific real
Apply mode five and be that the sensor circuit 50 also includes with the difference of embodiment four：One control signal circuit 51.
An input interface, the control signal circuit 51 and inductor 53 of the microcontroller 10 are connected in series.
Specifically, the control signal circuit 51 is made up of nomotron, such as：The triode of on off state is operated in,
Either MOSFET pipes.Other details of the control signal circuit 51 can refer to specific embodiment of the present utility model three
In description, do not repeat to repeat herein.
Continuing with reference to Fig. 6, the circuit theory diagrams of the embodiment six of the utility model earphone charging box.It is specific real
Apply mode six with the difference of embodiment one to be, it is resistor voltage divider circuit that the cell voltage, which obtains circuit 40,.
Include specifically, cell voltage obtains circuit 40：Two points being connected in series between the rechargeable battery 30 and ground
Piezoresistance R2 and R3.Wherein, the node between divider resistance R2 and R3 is connected to an input of the microcontroller 10.
The microcontroller 10 obtains the current voltage of the rechargeable battery 30 from the bleeder circuit.Specifically, the microcontroller
10 be to obtain curtage parameter from the node, and according to the current voltage of its determination rechargeable battery 30.
Continuing with reference to Fig. 7, the circuit theory diagrams of the embodiment 7 of the utility model earphone charging box.It is specific real
Apply mode 7 with the difference of embodiment one to be, the electric quantity display circuit 60 includes one group of LED (Light
Emitting Diode, light emitting diode) lamp 61.In present embodiment seven, employ three LEDs 61 and form the electricity
Measure display circuit 60.
Each LED 61 is controlled by an output end of the microcontroller 10 respectively.The microcontroller 10 is according to acquisition
Current voltage determines the ratio between dump energy and full power consumption, and the quantity of electricity in LED 61 is determined according to the Billy.
Such as：When the ratio between dump energy and full power consumption is 65%, then two in three LEDs of electricity；When fully charged,
Then three LED all lights.
Optionally, the electric quantity display circuit 60 can also include a liquid crystal display, on the liquid crystal display
Directly using the ratio between figure or numerical monitor dump energy or dump energy and full power consumption.
Above-mentioned embodiment illustrates but is not intended to limit the utility model, and those skilled in the art can be in claim
In the range of design and multiple replace example.Those skilled in the art should be appreciated that to being violated no as appended
Within the scope of the utility model as defined in the claims, appropriate adjustment, modification etc. can be made to specific implementation.
Therefore, it is all according to the spirit and principles of the utility model, any modifications and variations done, determine in appended claims
Within the scope of the utility model of justice.
Claims (10)
1. a kind of earphone charging box, the earphone charging box includes rechargeable battery, it is characterised in that the earphone charging box also wraps
Include：Microcontroller, cell voltage obtain circuit, sensor circuit and electric quantity display circuit；
The cell voltage obtains circuit, for obtaining the current voltage of the rechargeable battery；
The sensor circuit, triggering letter is sent to the microcontroller for detecting the change information of environment, and according to the change information
Number；
The microcontroller, for obtaining the current electricity of circuit reading rechargeable battery from the cell voltage according to the trigger signal
Pressure, and control the electric quantity display circuit to show current electric quantity according to the current voltage；
The electric quantity display circuit, for showing the current electric quantity of the rechargeable battery under the control of the microcontroller.
2. earphone charging box as claimed in claim 1, it is characterised in that the sensor circuit includes：One hook switch；
The hook switch goes off state by conducting state, or when off-state is changed into conducting state, exports triggering letter
Number give the microcontroller.
3. earphone charging box as claimed in claim 2, it is characterised in that：
The hook switch is connected to one of the microcontroller between input interface and ground；The input interface of the microcontroller is also
Supply voltage is accessed by current-limiting resistance；The microcontroller, then it is specifically used for when the trigger signal is low level, reads the electricity
Cell voltage obtains the current voltage of circuit, and controls the electric quantity display circuit to show current electric quantity according to the current voltage；Or
The hook switch and current-limiting resistance are connected in series in one of the microcontroller between input interface and power supply；The microcontroller
Device, then be specifically used for when the trigger signal be high level, read cell voltage obtain circuit current voltage, and according to should
Preceding voltage controls the electric quantity display circuit to show current electric quantity.
4. earphone charging box as claimed in claim 2 or claim 3, it is characterised in that the sensor circuit also includes：One control signal
Circuit；
The input interface of the microcontroller, the control signal circuit, the hook switch and power supply are sequentially connected in series；
When hook switch is changed into conducting state from disconnecting, or goes off state by conducting, control signal circuit output
The trigger signal.
5. earphone charging box as claimed in claim 4, it is characterised in that the control signal circuit is made up of nomotron.
6. earphone charging box as claimed in claim 1, it is characterised in that the sensor circuit includes：One inductor, for feeling
Should earphone charging box rock, and when sensing when rocking of the earphone charging box, export the trigger signal to the microcontroller
Device.
7. earphone charging box as claimed in claim 6, it is characterised in that the sensor circuit also includes：One control signal electricity
Road；An input interface, the control signal circuit and inductor of the microcontroller are connected in series；
When the inductor, which senses, to be rocked, the control signal circuit exports the trigger signal to the microcontroller.
8. earphone charging box as claimed in claim 1, it is characterised in that the cell voltage, which obtains circuit, to be included：Two series connection
The divider resistance being connected between the rechargeable battery and ground；
The microcontroller obtains curtage parameter from the node between the divider resistance, and according to its determination rechargeable battery
Current voltage.
9. earphone charging box as claimed in claim 1, it is characterised in that the electric quantity display circuit includes one group of LED；Each
LED is controlled by an output end of the microcontroller respectively.
10. earphone charging box as claimed in claim 1, it is characterised in that the electric quantity display circuit includes a liquid crystal display
Unit, figure or numerical monitor dump energy are used on the liquid crystal display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720861322.4U CN207053218U (en) | 2017-07-14 | 2017-07-14 | Earphone charging box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720861322.4U CN207053218U (en) | 2017-07-14 | 2017-07-14 | Earphone charging box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207053218U true CN207053218U (en) | 2018-02-27 |
Family
ID=61495580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720861322.4U Active CN207053218U (en) | 2017-07-14 | 2017-07-14 | Earphone charging box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207053218U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110770962A (en) * | 2018-09-27 | 2020-02-07 | 深圳市大疆创新科技有限公司 | Battery butler |
| WO2021135586A1 (en) * | 2019-12-31 | 2021-07-08 | 歌尔股份有限公司 | Bluetooth earphone charging path management method and apparatus, and readable storage medium |
-
2017
- 2017-07-14 CN CN201720861322.4U patent/CN207053218U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110770962A (en) * | 2018-09-27 | 2020-02-07 | 深圳市大疆创新科技有限公司 | Battery butler |
| WO2020061930A1 (en) * | 2018-09-27 | 2020-04-02 | 深圳市大疆创新科技有限公司 | Battery manager |
| WO2021135586A1 (en) * | 2019-12-31 | 2021-07-08 | 歌尔股份有限公司 | Bluetooth earphone charging path management method and apparatus, and readable storage medium |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 410000 Room 701, Building 7, First Phase of Changsha Zhongdian Software Park Co., Ltd., No. 39 Jianshan Road, Changsha High-tech Development Zone, Changsha, Hunan Province Patentee after: ANKER INNOVATIONS TECHNOLOGY Co.,Ltd. Address before: 410000 Room 701, 7th Floor, Phase I, Changsha Zhongdian Software Park Co., Ltd., No. 39 Jianshan Road, Changsha High-tech Development Zone, Hunan Province Patentee before: HUNAN OCEANWING E-COMMERCE Co.,Ltd. |
|
| CP03 | Change of name, title or address |