CN208539612U - A kind of charging box of bluetooth headset - Google Patents
A kind of charging box of bluetooth headset Download PDFInfo
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- CN208539612U CN208539612U CN201821168888.XU CN201821168888U CN208539612U CN 208539612 U CN208539612 U CN 208539612U CN 201821168888 U CN201821168888 U CN 201821168888U CN 208539612 U CN208539612 U CN 208539612U
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- charging
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- bluetooth headset
- magnetic induction
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Abstract
The utility model discloses a kind of charging box of bluetooth headset, the magnetic induction switch module including the working condition for detecting charging box, the earphone socket for accommodating bluetooth headset, the charging interface for connecting external power supply, charging module and control module.Magnetic induction switch module detects open control module when charging box is in charged state, so that control module opens charging module, charging module accesses the power supply signal of external power supply offer by charging interface and exports charging voltage to earphone socket, and earphone socket exports charging voltage to bluetooth headset.The utility model detects whether charging box is in charged state by magnetic induction switch module, it just can be carried out charging when detecting that charging box is in charged state, eliminating maloperation leads to the security risk of electric shock, improves circuit safety, easy to use, structure is simple.
Description
Technical field
The utility model belongs to charging technique field more particularly to a kind of charging box of bluetooth headset.
Background technique
Currently, bluetooth headset is generally equipped with special charging box, charging box both can be used as charging socket or mobile power source
For charging bluetooth earphone, and play the role of the protective effect and storage to bluetooth headset.In the prior art, due to the electricity of charging box
Lack protection structure in road, when user's maloperation, is easy to cause in the state of not accessing earphone there is a situation where charging
User's electric shock, there are security risks.
Utility model content
The utility model embodiment provides a kind of charging box of bluetooth headset, to solve in the prior art due to charging box
Circuit in lack protection structure, when user's maloperation, be easy there is a situation where charging in the state of not accessing earphone,
Cause user to get an electric shock, there are problems that security risk.
The utility model embodiment provides a kind of charging box of bluetooth headset, including the work shape for detecting charging box
The magnetic induction switch module of state, the earphone socket for accommodating bluetooth headset, the charging interface for connecting external power supply, charging
Module and control module.
Charging module is connect with charging interface, earphone socket and control module respectively, magnetic induction switch module and control mould
Block connection.
Magnetic induction switch module detects open control module when charging box is in charged state, so that control module is opened
Charging module, charging module access the power supply signal of external power supply offer by charging interface and export charging voltage to earphone and insert
Seat, earphone socket export charging voltage to bluetooth headset.
In one embodiment, magnetic induction switch module includes the first magnetic whether closed for detecting the box cover of charging box
Inductive switch, the first magnetic induction switch detect that box cover closing then confirms that charging box is in charged state.
In one embodiment, magnetic induction switch module includes for detecting whether bluetooth headset is inserted into filling for earphone socket
Second magnetic induction switch of electric position, the second magnetic induction switch detect that the charge position of bluetooth headset insertion earphone socket is then true
Recognize charging box and is in charged state.
In one embodiment, the charging box of the bluetooth headset further includes setting in magnetic induction switch module and control
Voltage stabilizing module between module.
The enable end of the output termination Voltage stabilizing module of magnetic induction switch module, the input of Voltage stabilizing module terminate direct current, surely
The power end of the output termination control module of die block.
Magnetic induction switch module, which detects, exports the first enable signal to Voltage stabilizing module, surely when charging box is in charged state
Die block is powered after receiving the first enable signal to control module, so that control module works.
In one embodiment, charging module includes Charge Management unit, battery unit and boosting unit.
The output end of the input termination charging interface of Charge Management unit, the output end of Charge Management unit are separately connected electricity
The output end of the input terminal of pool unit and the input terminal of boosting unit, boosting unit connects the input terminal of earphone socket.
In one embodiment, the enable end of boosting unit and the charge control end of control module connect.
Control module exports the second enable signal to boosting unit, to open boosting unit when working.
In one embodiment, the input terminal of boosting unit and the first voltage sampling end of control module connect.
Control module detects the port voltage of the input terminal of boosting unit.
In one embodiment, the output end of boosting unit passes through the second voltage sampling end of sample circuit and control module
Connection.
Control module detects the port voltage of the output end of boosting unit by sample circuit.
In one embodiment, the resetting end of charging interface and control module connects.
Charging interface exports Restart Signal to control module after accessing external power supply.
In one embodiment, the current sampling port of the input terminal of earphone socket and control module connects.
The port current of the input terminal of control module test earphone socket.
Existing beneficial effect is the utility model embodiment compared with prior art: being detected by magnetic induction switch module
Whether charging box is in charged state, just can be carried out charging when detecting that charging box is in charged state, eliminates maloperation
The security risk for leading to electric shock, improves circuit safety, easy to use, structure is simple.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the charging box of bluetooth headset provided by the utility model one embodiment；
Fig. 2 is the structural schematic diagram of the charging box of bluetooth headset provided by another embodiment of the utility model.
Specific embodiment
In order to make those skilled in the art more fully understand this programme, below in conjunction with attached in this programme embodiment
Figure, is explicitly described the technical solution in this programme embodiment, it is clear that described embodiment is this programme a part
Embodiment, instead of all the embodiments.Based on the embodiment in this programme, those of ordinary skill in the art are not being made
The range of this programme protection all should belong in every other embodiment obtained under the premise of creative work.
The specification and claims of this programme and term " includes " and other any deformations in above-mentioned attached drawing are
Refer to " including but not limited to ", it is intended that covering non-exclusive includes the example for being not limited in enumerating in text.In addition, term
" first " and " second " etc. are for distinguishing different objects, not for description particular order.
The realization of the utility model is described in detail below in conjunction with specific attached drawing.
Fig. 1 shows a kind of structure of the charging box 100 of bluetooth headset provided by an embodiment of the present invention, in order to
Convenient for explanation, part relevant to the utility model embodiment is illustrated only, details are as follows:
As shown in Figure 1, a kind of charging box 100 of bluetooth headset provided by the utility model embodiment, including for examining
Survey the magnetic induction switch module 140 of working condition of charging box 100, the earphone socket 130 for accommodating bluetooth headset, for connecting
Connect the charging interface 110, charging module 120 and control module 150 of external power supply 200.
Charging module 120 is connect with charging interface 110, earphone socket 130 and control module 150 respectively, magnetic induction switch
Module 140 is connect with control module 150.
Magnetic induction switch module 140 detects open control module 150 when charging box 100 is in charged state, so that control
Molding block 150 opens charging module 120, and charging module 120 accesses the power supply that external power supply 200 provides by charging interface 110
Signal simultaneously exports charging voltage 5V to earphone socket 130, and earphone socket 130 exports charging voltage 5V to bluetooth headset.
In one embodiment, magnetic induction switch module 140 can be used for the switch control to control module 150.Open control
Molding block 150 is that control module 150 is made to work.Closing control module 150 is that it is made not work.
In order to realize control that whether magnetic induction switch module 140 works to control module 150, the scheme packet that can be used
Include: the enable end of the output termination control module 150 of magnetic induction switch module 140, magnetic induction switch module 140 is by control
Module 150 makes can control realization switch control；Alternatively, the electricity of the output termination control module 150 of magnetic induction switch module 140
Source, magnetic induction switch module 140 is by the power loss to control module 150 and obtains electric control realization switch control.
In one embodiment, control module 150 can be used for the switch control to charging module 120, and control module 150 is controlled
Whether charging module 120 processed works.The scheme that can be used includes: the charge control termination charging module 120 of control module 150
Enable end, control module 150 realizes the work of charging module 120 and idle switching by making to can control；Alternatively, control mould
The power end of the charge control termination charging module 120 of block 150, control module 150 control charging module 120 and carry out power loss and obtain
The switching of electricity.
In one embodiment, charging interface 110 is USB Type-C connector.
In one embodiment, the model STM8L151G4U6TR of control module 150.
In one embodiment of the utility model, magnetic induction switch module 140 includes the box for detecting charging box 100
The first magnetic induction switch whether lid closes, the first magnetic induction switch detect that box cover closing then confirms that charging box 100 is in and fills
Electricity condition.
Magnetic induction switch generally comprises magnet and magnet induction coil and switching circuit positioned opposite, induction coil
Output end and the input terminal of switching circuit connect, the output end of switching circuit is serially connected on the input terminal of power supply.
In the present embodiment, magnet and induction coil in the first magnetic induction switch are separately mounted to the pedestal of charging box 100
Side is opened with box cover, detects whether box cover closes by distance change.
In the present embodiment, whether the box cover of the first magnetic induction switch detection charging box 100 is closed.When magnetic induction switch module
140 when detecting box cover closure, so that control module 150 and charging module 120 is worked, charging interface 110 connects external electrical at this time
Source 200 just can be carried out the charging of bluetooth headset.When magnetic induction switch module 140 detects that box cover is opened, make control module 150
It does not work with charging module 120, it, can not be at this point, charging box 100 is connected external power supply 200 even if user's maloperation
The case where row charging, charging box 100 will not charge, and avoid personnel's electric shock.
In addition, the box cover closure of charging box 100 can also guarantee that bluetooth headset is inserted into position on earphone socket 130.With one
For a concrete application scene, when bluetooth headset is placed on earphone socket 130 by user, possible bluetooth headset is not inserted into
Bottom, at this point, the charging electrode contact of bluetooth headset is likely to not be bonded with the charging electrode contact of earphone socket 130, it can not
Realize charging.By the box cover Position Design to charging box 100, box cover is made just to depress bluetooth headset to itself and ear in closure
Machine transplanting of rice seat 130 fastens, and can charge.In this way, just can detect whether box cover is closed by the first magnetic induction switch, judge to charge
Whether box is in charged state.
In one embodiment of the utility model, magnetic induction switch module 140 includes for whether detecting bluetooth headset
It is inserted into the second magnetic induction switch of the charge position of earphone socket 130, the second magnetic induction switch detects that bluetooth headset is inserted into ear
The charge position of machine transplanting of rice seat 130 then confirms that charging box is in charged state.
In the present embodiment, magnet and induction coil in the second magnetic induction switch are separately mounted to bluetooth headset and earphone is inserted
On seat 130, pass through the positional relationship of both distance change detections.
In the present embodiment, bluetooth headset is inserted into the charge position of earphone socket 130 are as follows: bluetooth headset is inserted to and earphone socket
130 fastenings, the charging electrode contact of bluetooth headset are bonded with the charging electrode contact of earphone socket 130.
The present embodiment increases a kind of structure that similar circuit is insured to the charging box 100 of bluetooth headset, detects charging
It could be powered after the box cover closure of box 100 or the charge position of bluetooth headset insertion earphone socket 130, eliminate maloperation and lead
The security risk for causing electric shock, improves circuit safety, easy to use, structure is simple.
As shown in Fig. 2, the charging box 100 of the bluetooth headset further includes setting in one embodiment of the utility model
Set the Voltage stabilizing module 160 between magnetic induction switch module 140 and control module 150.
The enable end of the output termination Voltage stabilizing module 160 of magnetic induction switch module 140, the input termination of Voltage stabilizing module 160
Direct current, the power end of the output termination control module 150 of Voltage stabilizing module 160.
Magnetic induction switch module 140, which detects, exports the first enable signal to pressure stabilizing when charging box 100 is in charged state
Module 160, Voltage stabilizing module 160 is powered after receiving the first enable signal to control module 150, so that control module 150 works.
In one embodiment, Voltage stabilizing module 160 includes that LDO (Low Dropout Regulator) low pressure difference linearity is steady
Depressor.
In the present embodiment, the input terminal of the input termination boosting unit 123 of Voltage stabilizing module 160.
When charging interface 110 connects external power supply 200, work is provided to Voltage stabilizing module 160 by Charge Management unit 121
Power supply, i.e. direct current.When charging interface 110 is not connected with external power supply 200, provided by battery unit 122 to Voltage stabilizing module 160
Working power.
Voltage stabilizing module 160 is used to provide working power to control module 150.It is opened when Voltage stabilizing module 160 receives magnetic induction
It powers when closing the first enable signal that module 140 exports to control module 150, control module 150 is made to work.Work as Voltage stabilizing module
160 do not power when not receiving the first enable signal of the output of magnetic induction switch module 140 to control module 150, control module
150 do not work.
The present embodiment is powered by control Voltage stabilizing module 160 to control module 150, is realized to be in charging box 100 and be filled
When electricity condition, Voltage stabilizing module 160 is powered, and control module 150 works, so that charging module 120 works, charging box 100 is to bluetooth
Earphone charges；When charging box 100 is not in charged state, Voltage stabilizing module 160 is not powered, control module 150 and charging
Module 120 does not work, and charging box 100 cannot charge.
As shown in Fig. 2, in one embodiment of the utility model, charging module 120 include Charge Management unit 121,
Battery unit 122 and boosting unit 123.
The output end of the input termination charging interface 110 of Charge Management unit 121, the output end of Charge Management unit 121
It is separately connected the input terminal of battery unit 122 and the input terminal of boosting unit 123, the output end lug machine transplanting of rice of boosting unit 123
The input terminal of seat 130.
In the present embodiment, the input terminal of Charge Management unit 121 is the input terminal of charging module 120.
Control module 150 can connect enable end or the power end of Charge Management unit 121, alternatively, control module 150 connects liter
Enable end or the power end for pressing unit 123, to control whether charging module 120 works.
The present embodiment realizes the both of which of external power supply charging and battery charging.
When charging interface 110 connects external power supply 200, and when the control work of charging module 120 of control module 150,
Charge Management unit 121 accesses the power supply signal that external power supply 200 provides and exports direct current, and battery unit 122 accesses direct current
Electricity carries out battery charging, and boosting unit 123 accesses after direct current carries out boosting processing and exports charging voltage 5V to earphone socket
130。
When charging interface 110 is not connected with external power supply 200, battery unit 122 exports direct current, and boosting unit 123 connects
Enter after direct current carries out boosting processing and exports charging voltage 5V to earphone socket 130.
In one embodiment, boosting unit 123 includes Step-up Converter voltage-boosting converter.
As shown in Fig. 2, in one embodiment, battery unit 122 includes battery protection chip and battery.
The input terminal of battery protection chip is the input terminal of battery unit 122, and the output of battery protection chip terminates electric power storage
The anode in pond, the cathode ground connection of battery.
As shown in Fig. 2, in one embodiment of the utility model, the enable end of boosting unit 123 and control module 150
Charge control end connection.
Control module 150 exports the second enable signal EN to boosting unit 123, to open boosting unit 123 when working.
In the present embodiment, control module 150 by whether output the second enable signal EN mode, control boosting unit
Whether 123 work.
As shown in Fig. 2, in one embodiment of the utility model, the input terminal and control module 150 of boosting unit 123
First voltage sampling end connection.
Control module 150 detects the port voltage of the input terminal of boosting unit 123.
As shown in Fig. 2, the output end of boosting unit 123 passes through sample circuit in one embodiment of the utility model
170 connect with the second voltage sampling end of control module 150.
Control module 150 detects the port voltage of the output end of boosting unit 123 by sample circuit 170, i.e., it is exported
To the charging voltage 5V of earphone socket 130.
In the present embodiment, control module 150 adopts the input port voltage and output port voltage of boosting unit 123
Sample monitoring.
As shown in Fig. 2, in one embodiment, sample circuit 170 includes resistance R1 and resistance R2.
The output end of the first termination boosting unit 123 of resistance R1, the first end of the second terminating resistor R2 of resistance R1, electricity
Hinder the second voltage sampling end of the second termination control module 150 of R2.
In the present embodiment, sample circuit 170 generates voltage sampling signal AD_5V after carrying out voltage division processing to charging voltage 5V
It exports to control module 150.
In the present embodiment, control module 150 is realized by the voltage sample output and input to boosting unit 123
Monitoring to charging process.
As shown in Fig. 2, in one embodiment of the utility model, the resetting end of charging interface 110 and control module 150
Connection.
Charging interface 110 exports Restart Signal RESET to control module 150 after accessing external power supply 200.
As shown in Fig. 2, in one embodiment of the utility model, the input terminal and control module 150 of earphone socket 130
Current sampling port connection.
The port current of the input terminal of 150 test earphone socket 130 of control module.
As shown in Fig. 2, in one embodiment, earphone socket 130 includes left earphone socket 131 and right earphone socket 132.
The output of the input anode of left earphone socket 131 and the input anode of right earphone socket 132 with charging module 120
End connection, the input cathode of left earphone socket 131 and the input cathode of right earphone socket 132 are grounded, left earphone socket 131
Input anode is also connect with the first current sampling port of control module 150, the input anode and control module of right earphone socket 132
150 the first current sampling port connection.
First current sampling port of control module 150 detects the charging current AD_L of left earphone socket 131, control module
The charging current AD_R of 150 the second current sampling port detection right earphone socket 132.
In one embodiment of the utility model, the charging box 100 of the bluetooth headset further includes and control module 150
The electricity quantity display module of connection.
The signal that electricity quantity display module can be detected with display control module 150, including voltage sampling signal AD_5V, restart
Signal RESET, the charging current AD_L of left earphone socket, right earphone socket charging current AD_R.
The above, above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；Although ginseng
The utility model is described in detail according to previous embodiment, those skilled in the art should understand that: it is still
It is possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is equally replaced
It changes；And these are modified or replaceed, various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
Spirit and scope.
Claims (10)
1. a kind of charging box of bluetooth headset, which is characterized in that the magnetic strength including the working condition for detecting the charging box
Inductive switch module, the earphone socket for accommodating the bluetooth headset, the charging interface for connecting external power supply, charging module
And control module；
The charging module is connect with the charging interface, the earphone socket and the control module respectively, the magnetic induction
Switch module is connect with the control module；
The magnetic induction switch module, which detects, opens the control module when charging box is in charged state, so that described
Control module opens the charging module, and the charging module accesses the electricity that the external power supply provides by the charging interface
Source signal simultaneously exports charging voltage to the earphone socket, and the earphone socket, which exports the charging voltage to bluetooth headset, to be filled
Electricity.
2. the charging box of bluetooth headset as described in claim 1, which is characterized in that the magnetic induction switch module includes being used for
The first the magnetic induction switch whether box cover of the charging box closes is detected, first magnetic induction switch detects the box cover
Closing then confirms that the charging box is in charged state.
3. the charging box of bluetooth headset as described in claim 1, which is characterized in that the magnetic induction switch module includes being used for
Detect the second the magnetic induction switch whether bluetooth headset is inserted into the charge position of the earphone socket, second magnetic induction
Switch detects that the bluetooth headset is inserted into the charge position of the earphone socket and then confirms that the charging box is in charged state.
4. the charging box of bluetooth headset as described in any one of claims 1 to 3, which is characterized in that further include being arranged described
Voltage stabilizing module between magnetic induction switch module and the control module；
The output of the magnetic induction switch module terminates the enable end of the Voltage stabilizing module, and the input termination of the Voltage stabilizing module is straight
Galvanic electricity, the output of the Voltage stabilizing module terminate the power end of the control module；
The magnetic induction switch module, which detects, exports the first enable signal to described steady when the charging box is in charged state
Die block, the Voltage stabilizing module is powered after receiving first enable signal to the control module, so that the control mould
Block work.
5. the charging box of bluetooth headset as described in claim 1, which is characterized in that the charging module includes Charge Management list
Member, battery unit and boosting unit；
The input of the Charge Management unit terminates the output end of the charging interface, the output end point of the Charge Management unit
The input terminal of the battery unit and the input terminal of the boosting unit are not connected, and the output of the boosting unit terminates the ear
The input terminal of machine transplanting of rice seat.
6. the charging box of bluetooth headset as claimed in claim 5, which is characterized in that the enable end of the boosting unit with it is described
The charge control end of control module connects；
The control module exports the second enable signal to the boosting unit, to open the boosting unit when working.
7. the charging box of bluetooth headset as claimed in claim 5, which is characterized in that the input terminal of the boosting unit with it is described
The first voltage sampling end of control module connects；
The control module detects the port voltage of the input terminal of the boosting unit.
8. the charging box of the bluetooth headset as described in claim 5,6 or 7, which is characterized in that the output end of the boosting unit
It is connect by sample circuit with the second voltage sampling end of the control module；
The control module detects the port voltage of the output end of the boosting unit by the sample circuit.
9. the charging box of bluetooth headset as described in claim 1, which is characterized in that the charging interface and the control module
Resetting end connection；
The charging interface exports Restart Signal to the control module after accessing the external power supply.
10. the charging box of bluetooth headset as described in claim 1, which is characterized in that the input terminal of the earphone socket and institute
State the current sampling port connection of control module；
The control module detects the port current of the input terminal of the earphone socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821168888.XU CN208539612U (en) | 2018-07-20 | 2018-07-20 | A kind of charging box of bluetooth headset |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821168888.XU CN208539612U (en) | 2018-07-20 | 2018-07-20 | A kind of charging box of bluetooth headset |
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| Publication Number | Publication Date |
|---|---|
| CN208539612U true CN208539612U (en) | 2019-02-22 |
Family
ID=65385337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821168888.XU Active CN208539612U (en) | 2018-07-20 | 2018-07-20 | A kind of charging box of bluetooth headset |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111987753A (en) * | 2019-05-23 | 2020-11-24 | 深圳市思远半导体有限公司 | Charging control method and related equipment |
| CN112165143A (en) * | 2020-10-29 | 2021-01-01 | 歌尔科技有限公司 | Wireless earphone charging method, device, equipment and storage medium |
| CN112565955A (en) * | 2019-09-10 | 2021-03-26 | Oppo广东移动通信有限公司 | Earphone box, earphone and earphone box assembly |
| CN113329285A (en) * | 2020-02-28 | 2021-08-31 | Oppo广东移动通信有限公司 | Earphone box and wireless earphone |
| CN114079314A (en) * | 2020-08-14 | 2022-02-22 | Oppo广东移动通信有限公司 | Electric energy transmission equipment, control circuit, adapter, charging box and charging system |
| CN115347632A (en) * | 2022-06-30 | 2022-11-15 | 广芯微电子（广州）股份有限公司 | Battery charging management method, device and system of TWS earphone |
| CN116707049A (en) * | 2022-09-19 | 2023-09-05 | 荣耀终端有限公司 | Charging circuit and apparatus |
-
2018
- 2018-07-20 CN CN201821168888.XU patent/CN208539612U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111987753A (en) * | 2019-05-23 | 2020-11-24 | 深圳市思远半导体有限公司 | Charging control method and related equipment |
| CN112565955A (en) * | 2019-09-10 | 2021-03-26 | Oppo广东移动通信有限公司 | Earphone box, earphone and earphone box assembly |
| CN113329285A (en) * | 2020-02-28 | 2021-08-31 | Oppo广东移动通信有限公司 | Earphone box and wireless earphone |
| CN113329285B (en) * | 2020-02-28 | 2023-03-31 | Oppo广东移动通信有限公司 | Earphone box and wireless earphone |
| CN114079314A (en) * | 2020-08-14 | 2022-02-22 | Oppo广东移动通信有限公司 | Electric energy transmission equipment, control circuit, adapter, charging box and charging system |
| CN112165143A (en) * | 2020-10-29 | 2021-01-01 | 歌尔科技有限公司 | Wireless earphone charging method, device, equipment and storage medium |
| CN115347632A (en) * | 2022-06-30 | 2022-11-15 | 广芯微电子（广州）股份有限公司 | Battery charging management method, device and system of TWS earphone |
| CN116707049A (en) * | 2022-09-19 | 2023-09-05 | 荣耀终端有限公司 | Charging circuit and apparatus |
| CN116707049B (en) * | 2022-09-19 | 2024-09-20 | 荣耀终端有限公司 | Charging circuit and apparatus |
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