CN109546699A - A kind of earphone charging box and starting-up method - Google Patents
A kind of earphone charging box and starting-up method Download PDFInfo
- Publication number
- CN109546699A CN109546699A CN201811223281.1A CN201811223281A CN109546699A CN 109546699 A CN109546699 A CN 109546699A CN 201811223281 A CN201811223281 A CN 201811223281A CN 109546699 A CN109546699 A CN 109546699A
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- Prior art keywords
- charging
- power supply
- switch
- chip
- supply chip
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0069—Charging or discharging for charge maintenance, battery initiation or rejuvenation
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/342—The other DC source being a battery actively interacting with the first one, i.e. battery to battery charging
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1025—Accumulators or arrangements for charging
Abstract
The embodiment of the invention discloses a kind of earphone charging boxes, comprising: charging interface, charging circuit, three elections switch, power supply chip, functional unit and control switch for connecting with charging source；Wherein, the input terminal of charging interface and charging circuit connects；The output end of charging circuit is connected by the first input end of control switch and three elections switch；The output end of three elections switch and the enable end of power supply chip connect；The input terminal of power supply chip and the output end of charging circuit connect, and the output end of power supply chip is connect with functional unit；When control switch is connected to the access between charging circuit and three elections switch, the access between charging circuit and the enable end of power supply chip is connected to, and the enable end of power supply chip receives enable signal, the electrical energy transportation that power supply chip provides charging circuit to functional unit.Technical solution provided in an embodiment of the present invention, when earphone charging box is without charging, charging circuit is in and complete switches off state, will not generate internal consumption.
Description
Technical field
The invention belongs to technical field of electronic equipment, specifically, being related to a kind of earphone charging box and starting-up method.
Background technique
Currently, earphone has become people's accessory indispensable when using intelligent terminal, is seeing video or listening to music
When, sound can be obtained by earphone.With the continuous development of technology, the type of earphone is also more and more, in addition to commonly having
Outside line earphone, there are also wireless headsets.Wireless headset is built-in with rechargeable battery, in order to for the rechargeable battery in wireless headset into
Row charging, existing many wireless headsets are provided with earphone charging box.It is wireless headset charging by earphone charging box, to increase
The use duration of wireless headset is added.
Existing frequently-used earphone charging box is the booting work that charging box is realized by sensor or detection switch.By
In introducing detection device, it is necessary to be powered to interlock circuit, in the idle situation of charging box, the electricity of charging box battery
Also there can be consumption always, be unfavorable for the long-time storage of charging box battery.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of earphone charging box and starting-up method, earphone charging box is without filling
When electric, charging circuit is in and complete switches off state, will not generate internal consumption.
The technical issues of to solve in the prior art, the embodiment of the invention provides a kind of earphone charging boxes, comprising: is used for
Charging interface, charging circuit, three elections switch, power supply chip, functional unit and the control switch being connect with charging source；Wherein,
The charging interface is connect with the input terminal of the charging circuit；
The output end of the charging circuit is connect by the control switch with the first input end of the three elections switch；
The output end of the three elections switch is connect with the enable end of the power supply chip；
The input terminal of the power supply chip is connect with the output end of the charging circuit, the output end of the power supply chip with
The functional unit connection；
When the control switch is connected to the access between the charging circuit and the three elections switch, the charging circuit
Access between the enable end of the power supply chip is connected to, and the enable end of the power supply chip receives enable signal, the electricity
The electrical energy transportation that source chip provides the charging circuit is to the functional unit.
Optionally, the charging circuit includes charging chip and battery；
The input terminal of the charging chip is connect with the charging interface, the voltage end of the charging chip and the battery
Connection, the output end of the charging chip are connect with the input terminal of the control switch and the power supply chip.
Optionally, the charging interface is also connect with the second input terminal of the three elections switch；
Power path management circuit is provided between the voltage end and output end of the charging chip；
When the charging source exports electric energy to the charging interface, the power path management circuit disconnects the charging core
Access between the voltage end of piece and the output end of the charging chip；
When the charging source stops exporting electric energy to the charging interface, filled described in the power path management circuit connection
Access between the voltage end of electrical chip and the output end of the charging chip.
Optionally, the control switch includes tumbler switch, push button switch, stirs back springing type switch or key rebound
One of formula switch.
Optionally, it is described when the control switch stirs back springing type switch or key back springing type switch for described in
Functional unit includes control chip；
The power end of the control chip is connect with the output end of the power supply chip；
The control terminal of the control chip is connect with the third input terminal of the three elections switch；
After electrical energy transportation to the control chip, the control chip passes through the three elections switch to the power supply chip
Enable end export high level, to lock the enable signal of the enable end of the power supply chip.
Optionally, the control chip is connect with the monitoring side of the charging circuit.
It optionally, further include prompt component；
The prompt component is arranged between the control switch and the three elections switch；Or
The prompt component is arranged between the charging circuit and the power supply chip；Or
The prompt component is arranged between the power supply chip and the functional unit；Or
The prompt component is connect with the functional unit.
Correspondingly, the embodiment of the invention also provides a kind of starting-up methods of earphone charging box, comprising:
The earphone charging box includes charging interface, charging circuit, three elections switch, the power supply for connecting with charging source
Chip, functional unit and control switch；
The described method includes:
The power supply chip detects whether to receive enable signal, wherein the enable signal is that the control switch connects
When leading to the access between the charging circuit and the three elections switch, the charging circuit passes through the three elections switch to institute
State power supply chip output electric energy production；
When the power supply chip receives the enable signal, electrical energy transportation that the charging circuit is provided is to described
Functional unit.
Optionally, the charging interface is also connect with the second input terminal of the three elections switch；
The power supply chip detects whether to receive enable signal, further includes: the charging source is defeated to the charging interface
Out when electric energy, the charging interface exports electric energy production to the power supply chip by the three elections switch.
Optionally, the functional unit includes control chip；
The electrical energy transportation that when the power supply chip receives enable signal, the charging circuit is provided is to described
Functional unit, later further include:
The power supply chip detects whether to receive locking signal, wherein the locking signal is electrical energy transportation to described
After controlling chip, the control chip exports what high level generated by the three elections switch；
When the power supply chip receives the locking signal, the enable signal is locked.
Further optionally, the locking enable signal, later further include:
The power supply chip detects whether the locking signal disappears, wherein the locking signal disappearance is the control
Chip monitors that in the given time the charging circuit is not in working condition, and the control chip stops passing through described three
Switch output high level is selected to generate；
When whether the locking signal disappears, then it is defeated to stop the electric energy for providing the charging circuit for the power supply chip
It send to the functional unit.
In technical solution provided in an embodiment of the present invention, by the way that control switch is arranged, charging circuit and one-out-three can control
The connection or disconnection of access between switch.When access between charging circuit and three elections switch is connected to, earphone charging box
It is in running order, the electrical energy transportation that power supply chip provides charging circuit to functional unit.It is opened in charging circuit and one-out-three
When access between pass disconnects, Earphone box is in off-mode, and charging circuit, which is in, complete switches off state with internal element, no
Internal consumption can be generated, to guarantee the cruising ability of earphone charging box.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Some embodiments of bright embodiment, for those of ordinary skill in the art, without creative efforts, also
Other drawings may be obtained according to these drawings without any creative labor.
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes the embodiment of the present invention
A part, the illustrative embodiments and their description of the embodiment of the present invention are used to explain the present invention embodiment, do not constitute to this hair
The improper restriction of bright embodiment.
In the accompanying drawings:
Fig. 1 is the internal circuit diagram of the earphone charging box of the embodiment of the present invention；
Fig. 2 is the schematic perspective view of the earphone of the embodiment of the present invention；
Fig. 3 is another schematic perspective view of the earphone of the embodiment of the present invention；
Fig. 4 is the flow diagram of the starting-up method of the embodiment of the present invention.
Description of symbols
1: box body；2: box cover；10: charging interface；20: charging circuit；21: charging chip；22: battery；30: one-out-three is opened
It closes；40: power supply chip；50: functional unit；60: control switch；70: prompt component.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the embodiment of the present invention, instead of all the embodiments.Based on the embodiment in the embodiment of the present invention, this field
Those of ordinary skill's every other embodiment obtained without making creative work, belongs to implementation of the present invention
The range of example protection.
In some processes described in the specification of the embodiment of the present invention, claims and above-mentioned attached drawing, contain
According to multiple operations that particular order occurs, these operations can not execute or parallel according to its sequence what appears in this article
It executes.Serial number of operation such as 101,102 etc. is only used for distinguishing each different operation, and serial number itself does not represent any
Execute sequence.In addition, these processes may include more or fewer operations, and these operations can execute or simultaneously in order
Row executes.It should be noted that the description such as " first " herein, " second ", is for distinguishing different message, equipment, mould
Block etc. does not represent sequencing, does not also limit " first " and " second " and is different type.
Inventor has found in the implementation of the present invention, due to being provided with detection dress in existing frequently-used earphone charging box
It sets, the battery of charging box needs to be powered to interlock circuit, in the idle situation of charging box, the electricity of charging box battery
There can be consumption always, the electricity of charging box battery can be consumed light quickly, cause the cruising ability of earphone charging box lower.
It therefore, is to solve defect in the prior art, the embodiment of the present invention provides a kind of earphone charging box and starting-up method,
When earphone charging box is without charging, charging circuit is in and complete switches off state, will not generate internal consumption.
Carry out the embodiment of the present invention will be described in detail embodiment below in conjunction with accompanying drawings and embodiments, whereby to of the invention real
Applying such as what applied technology method can fully understand and reality accordingly to solve technical problem and reach the realization process of technical effect
It applies, is described further below in conjunction with structure of the attached drawing to the embodiment of the present invention.
The same or similar label correspond to the same or similar components in the attached drawing of the embodiment of the present invention；Implement in the present invention
In the description of example, it is to be understood that if the orientation or positional relationship for having the instructions such as term " on ", "lower", "left", "right" is base
In orientation or positional relationship shown in the drawings, it is merely for convenience of the description embodiment of the present invention and simplifies description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore retouch in attached drawing
The term for stating positional relationship only for illustration, should not be understood as the limitation to the embodiment of the present invention, for this field
For those of ordinary skill, the concrete meaning of above-mentioned term can be understood as the case may be.
Embodiment 1
Fig. 1 is the internal circuit diagram of the earphone charging box of the embodiment of the present invention, as shown in Figure 1.
The embodiment of the invention provides a kind of earphone charging boxes, comprising: charging interface 10 for connecting with charging source fills
Circuit 20, three elections switch 30, power supply chip 40, functional unit 50 and control switch 60.
Wherein, charging interface 10 is connect with the input terminal of charging circuit 20.The output end of charging circuit 20 is opened by control
60 are closed to connect with the first input end of three elections switch 30.The output end of three elections switch 30 and the enable end of power supply chip 40 connect
It connects.The input terminal of power supply chip 40 is connect with the output end of charging circuit 20, the output end and functional unit 50 of power supply chip 40
Connection.
When control switch 60 is connected to the access between charging circuit 20 and three elections switch 30, charging circuit 20 and power supply core
Access connection between the enable end of piece 40, the enable end of power supply chip 40 receive enable signal, and power supply chip 40 will charge electric
The electrical energy transportation that road 20 provides is to functional unit 50.
Referring to figs. 2 and 3, in the embodiment of the present invention, earphone charging box includes box body 1 and box cover 2, and charging interface 10 fills
Circuit 20, three elections switch 30, power supply chip 40, functional unit 50 and control switch 60 are arranged in box body 1.Box cover 2
Lid closes the opening in box body 1.Control hole is provided on box body 1, control switch 60 is protruding from control hole, so as to user into
Row operation.When initial, the lid of box cover 2 is closed on box body 1, and referring to fig. 2, control switch 60 disconnects charging circuit 20 and three to lid conjunction state
The access between a switch 30 is selected, earphone charging box is in off-mode, and charging circuit 20 is fully disconnected.When in use, user
First opening the lid 2, earphone is put into earphone charging box by opening state referring to Fig. 3, and user clicks or stir control switch 60,
So that control switch 60 is connected to the access between charging circuit 20 and three elections switch 30, power supply chip 40 is activated, will charge
The electrical energy transportation that circuit 20 provides to functional unit 50, the booting of earphone charging box, earphone charging box starts to charge for earphone.
In technical solution provided in an embodiment of the present invention, by the way that control switch 60 is arranged, charging circuit 20 and three can control
Select the connection or disconnection of the access between a switch 30.When access between charging circuit 20 and three elections switch 30 is connected to,
Earphone charging box is in running order, the electrical energy transportation that power supply chip 40 provides charging circuit 20 to functional unit 50.It is filling
When access between circuit 20 and three elections switch 30 disconnects, Earphone box be in off-mode, charging circuit 20 in it is interior
The element in portion complete switches off state, will not generate internal consumption, to guarantee the cruising ability of earphone charging box.
Earphone charging box provided in an embodiment of the present invention is further detailed below.
With continued reference to Fig. 1, in the embodiment of the present invention, the implementation of charging circuit 20 include it is a variety of, it is a kind of achievable
Mode is that charging circuit 20 includes charging chip 21 and battery 22.The input terminal of charging chip 21 is connect with charging interface 10, is filled
The voltage end of electrical chip 21 is connect with battery 22, the output end and control switch 60 of charging chip 21 and the input of power supply chip 40
End connection.When control switch 60 is connected to the access between charging circuit 20 and three elections switch 30, pass through in the electric energy of battery 22
Charging chip 21 is delivered to three elections switch 30 and power supply chip 40.After power supply chip 40 is activated, electricity that battery 22 is provided
Functional unit 50 can be delivered to.
In a kind of achievable embodiment of the invention, charging interface also connects with the second input terminal of three elections switch 30
It connects.When charging source exports electric energy to charging interface 10, charging interface 10 can be directly by the electrical energy transportation of charging source to one-out-three
Switch 30, to provide electric energy for power supply chip 40.It is that functional unit 50 provides electric energy to prevent charging source.At this point, to prevent
Battery 22 provides electric energy simultaneously for functional unit 50, is provided with power source path pipe between the voltage end and output end of charging chip 21
Manage circuit.Power path management circuit be used for be connected to or disconnect charging chip 21 voltage end and charging chip 21 output end it
Between access.Specifically, power path management circuit disconnects charging chip 21 when charging source exports electric energy to charging interface 10
Access between voltage end and the output end of charging chip；When charging source stops exporting electric energy to charging interface 10, power source path
Manage the access between the voltage end of circuit communication charging chip 21 and the output end of charging chip.In this way, being function in charging source
When energy component 50 provides electric energy, battery 22 will not provide electric energy for functional unit 50, and charging source is that battery 22 charges simultaneously.It is filling
Power supply stops being that functional unit 50 provides electric energy, and control switch 60 is connected to leading between charging circuit 20 and three elections switch 30
Lu Shi, battery 22 can provide electric energy for functional unit 50.
In the embodiment of the present invention, the way of realization of control switch 60 includes a variety of, for example, control switch 60 includes but unlimited
In tumbler switch, push button switch, stir one of back springing type switch or key back springing type switch.Referring to fig. 2, in Fig. 2
Control switch 60 be one of tumbler switch.Control switch 60 is tumbler switch: switching toggle to opening state
When, switch is just constantly in opening state, i.e. 1 foot of control switch 60 is in always in Fig. 1 fills with 3 foot connection status, connection
Access between circuit 20 and three elections switch 30, charging circuit 20 can be the confession of functional unit 50 all the time by power supply chip 40
Electricity.When switching toggle is to closed state, switch is just constantly in closed state, i.e. 1 foot of control switch 60 is located always in Fig. 1
In with 2 foot connection status, disconnect the access between charging circuit 20 and three elections switch 30, charging circuit 20 stops being functional group
Part 50 is powered.Correspondingly, the operating process of push button switch is similar to tumbler switch, clicks and is in an open state, then presses
Primary to be in off state, details are not described herein again.
Referring to Fig. 3, the control switch 60 in Fig. 3 is one of key back springing type switch.Control switch 60 is key
When back springing type switchs, when user is according to switch, switch in the open state, but switch is restored to disconnection shape at once when loosing one's grip
State.
To realize when switch is restored to off-state, charging circuit 20 can also be continuously functional unit 50 and be powered,
In the embodiment of the present invention, control switch 60 is to stir back springing type switch or key back springing type switch, and functional unit 50 includes control
Coremaking piece.The power end of control chip is connect with the output end of power supply chip 40.Control the control terminal and three elections switch of chip
30 third input terminal connection.After electrical energy transportation to control chip, control chip passes through three elections switch 30 to power supply chip 40
Enable end export high level, to lock the enable signal of the enable end of power supply chip 40.
In use, switching in the open state, i.e. control switch in Fig. 1 at this time when user's pressing keys back springing type switchs
60 1 foot is connect with 3 feet, the access being connected between charging circuit 20 and three elections switch 30.It receives the enable end of power supply chip 40
It is powered on to the enable end of enable signal, i.e. power supply chip 40, power supply chip 40 is activated, and charging circuit 20 passes through power supply chip 40
For control chip power supply.Meanwhile it controlling chip and high level, lock is exported to the enable end of power supply chip 40 by three elections switch 30
Determine the enable signal of the enable end of power supply chip 40.When user removes external force, key back springing type switch restores to closed state,
Control switch 60 is in close state, i.e. 1 foot of control switch 60 is in and 2 foot connection status, disconnection charging electricity always in Fig. 1
Access between road 20 and three elections switch 30.At this point, the enable signal of the enable end of control chip locking power supply chip 40, electricity
Still in the state being activated, charging circuit 20 may continue to through power supply chip 40 be control chip power supply source chip 40.Phase
Ying Di, the operating process for stirring back springing type switch is similar to key back springing type switch, and details are not described herein again.The embodiment of the present invention
In, controlling chip to include but is not limited to is MCU (micro-control unit, Microcontroller Unit).
Further, control chip is connect with the monitoring side of charging circuit 20.Control chip can be monitored in the predetermined time
Interior, whether charging circuit 20 is in running order, for example whether charging for earphone.If in the given time, charging circuit
20 charge for earphone, then illustrate that charging circuit 20 is in working condition, control chip continues through three elections switch 30
High level is exported to the enable end of power supply chip 40, provides electric energy to guarantee that charging circuit 20 continues as functional unit 50.
If in the given time, charging circuit 20 is not in working condition, control chip then stops through the one-out-three
Switch 30 exports high level, and the enable end of power supply chip 40 does not have enable signal input, then power supply chip 40 stops the electricity that will charge
The electrical energy transportation that road 20 provides to functional unit 50, earphone charging box shuts down.When being again turned on control switch 60, earphone charging
Box booting.
Further, the on-off state of earphone charging box, a kind of achievable reality of the invention are known for the convenience of the user
It applies in example, earphone charging box further includes prompt component 70.The setting position for prompting component 70 includes but is not limited to following several positions
Set: prompt component 70 is arranged between control switch 60 and three elections switch 30；Or prompt component 70 is arranged in charging circuit
Between 20 and power supply chip 40；Or prompt component 70 is arranged between power supply chip 40 and functional unit 50；Or prompt group
Part 70 is connect with functional unit 50.
Prompt component 70 setting position charging circuit 20 be functional unit 50 power when, the position of current flowing,
While charging circuit 20 is that functional unit 50 is powered, charging circuit 20 is also powered for prompt component 70.User in this way can be from
Whether prompt component 70 works, and knows whether earphone charging box is in open state.Prompting component 70 includes but is not limited to loudspeaking
One of device, indicator light and display or combinations thereof.For example, when earphone charging box is in open state, loudspeaker can between
Disconnected formula issues prompt tone and illustrates that earphone electricity is full of when prompt tone stops.Alternatively, referring to when earphone charging box is in open state
Show that lamp is lighted, flashing etc. indicates earphone charge condition by turn colors.Alternatively, being shown when earphone charging box is in open state
Show that device is lighted and shows earphone charge condition etc..
By taking to prompt component 70 be indicator light as an example, referring to fig. 2 with 3, indicator hole is provided on box body 1, indicator light, which is located at, to be referred to
Show hole throw light from inside to outside.When earphone charging box is in open state, indicator light is lighted.Earphone charging box is in off-mode
When, indicator light is without light.
Embodiment 2
Correspondingly, the embodiment of the invention also provides a kind of starting-up methods of earphone charging box, comprising: uses embodiment 1
In earphone charging box.Earphone charging box includes that charging interface 10 for connecting with charging source, charging circuit 20, one-out-three are opened
Close 30, power supply chip 40, functional unit 50 and control switch 60.
The starting-up method of earphone charging box is introduced using the power supply chip 40 in earphone charging box as executing subject below, is joined
See that Fig. 4, starting-up method include:
Step S101: power supply chip 40 detects whether to receive enable signal, wherein enable signal is that control switch 60 connects
When leading to the access between charging circuit 20 and three elections switch 30, charging circuit 20 passes through three elections switch 30 to power supply chip 40
Export electric energy production；
Step S102: when power supply chip 40 receives enable signal, electrical energy transportation that charging circuit 20 is provided to function
It can component 50.
When initial, control switch 60 disconnects the access between charging circuit 20 and three elections switch 30, at earphone charging box
In off-mode, charging circuit 20 is fully disconnected.Control switch 60 is connected to logical between charging circuit 20 and three elections switch 30
Lu Hou, charging circuit 20 export electric energy, power supply to the enable end of power supply chip 40 by control switch 60 and three elections switch 30
The enable end of chip 40 receives enable signal.Power supply chip 40 is activated, the electrical energy transportation that charging circuit 20 is provided to function
Component 50, the booting of earphone charging box.When control switch 60 disconnects the access between charging circuit 20 and three elections switch 30, earphone
Box is in off-mode, and charging circuit 20, which is in, complete switches off state with internal element, internal consumption will not be generated, to guarantee
The cruising ability of earphone charging box.
In the embodiment of the present invention, charging interface 10 also connect power supply chip 40 with the second input terminal of three elections switch 30
It detects whether to receive enable signal, further includes: when charging source exports electric energy to charging interface 10, charging interface 10 passes through three choosings
One switch 30 exports electric energy production to power supply chip 40.
When charging source exports electric energy to charging interface 10, charging interface 10 can be directly by the electrical energy transportation of charging source to three
A switch 30 is selected, to provide electric energy for power supply chip 40, exports enable signal to the enable end of power supply chip 40.
When control switch 60 is that key back springing type switchs, when user is according to switch, switch is in the open state, but looses one's grip
Shi Kaiguan is restored to off-state at once.To realize when switch is restored to off-state, charging circuit 20 can also be continuously function
Energy component 50 is powered, and optionally, functional unit 50 includes control chip.For step S102, when power supply chip 40
When receiving enable signal, electrical energy transportation that charging circuit 20 is provided to functional unit 50, later further include: power supply chip 40
It detects whether to receive locking signal, wherein locking signal is electrical energy transportation to after controlling chip, and control chip passes through one-out-three
Switch 30 exports what high level generated；When receiving locking signal, enable signal is locked.
After control chip powers on, control chip exports high electricity to the enable end of power supply chip 40 by three elections switch 30
It is flat, lock the enable signal of the enable end of power supply chip 40.When back springing type switch recovery to closed state, charging circuit is disconnected
Access between 20 and three elections switch 30.At this point, the enable signal of the enable end of control chip locking power supply chip 40, power supply
Still in the state being activated, charging circuit 20 may continue to through power supply chip 40 be control chip power supply chip 40.
Further, enable signal is locked, later further include: power supply chip 40 detects whether locking signal disappears, wherein
Locking signal disappearance is that control chip monitors in the given time, and charging circuit 20 is not in working condition, and control chip stops
Only export what high level generated by three elections switch 30；
When whether locking signal disappears, then power supply chip 40 stops the electrical energy transportation for providing charging circuit 20 to function
Component 50.
If in the given time, charging circuit 20 is still in working condition, for example, charging circuit 20 is being that earphone carries out
Charging, control chip continue through three elections switch 30 and export high level to the enable end of power supply chip 40, to guarantee charging electricity
Road 20 continues as functional unit 50 and provides electric energy.
If in the given time, charging circuit 20 is not in working condition, for example, charging circuit 20 does not carry out for earphone
Charging, control chip then stop exporting high level by three elections switch 30, and the enable end of power supply chip 40 does not have enable signal
Input, then power supply chip 40 stops the electrical energy transportation for providing charging circuit 20 to functional unit 50, the shutdown of earphone charging box.
In conclusion being had the advantages that in technical solution provided in an embodiment of the present invention
1, by setting control switch, the connection or disconnection of the access between charging circuit and three elections switch be can control.
When access between charging circuit and three elections switch is connected to, earphone charging box is in running order, and power supply chip will charge
The electrical energy transportation that circuit provides is to functional unit.When access between charging circuit and three elections switch disconnects, at Earphone box
In off-mode, charging circuit, which is in, complete switches off state with internal element, internal consumption will not be generated, to guarantee that earphone fills
The cruising ability of electric box；
2, when control switch is that back springing type switchs, control chip after the power-up, can export high to the enable end of power supply chip
The enable signal of the enable end of level catch power supply chip, when ensuring control switch rebound, power supply chip still is able to charge
The electrical energy transportation that circuit provides is to functional unit；
It is whether in running order that earphone charging box is monitored by control chip, if in the given time, earphone charging box
It is not on working condition, then earphone charging box is shut down.
It should be noted that, although being retouched in detail in conjunction with specific embodiment of the attached drawing to the embodiment of the present invention
It states, but should not be construed as the restriction to the protection scope of the embodiment of the present invention.In range described by claims, ability
Various modifications and deformation that field technique personnel can make without creative work still fall within the protection scope of the embodiment of the present invention.
The example of the embodiment of the present invention is intended to concisely illustrate the technical characterstic of the embodiment of the present invention, so that art technology
Personnel can intuitively understand the technical characterstic of the embodiment of the present invention, be not intended as the improper restriction of the embodiment of the present invention.
The apparatus embodiments described above are merely exemplary, wherein described, unit can as illustrated by the separation member
It is physically separated with being or may not be.Those of ordinary skill in the art are not the case where paying creative labor
Under, it can it understands and implements.
Several preferred embodiments of the embodiment of the present invention have shown and described in above description, but as previously described, it should be understood that
The embodiment of the present invention is not limited to forms disclosed herein, and should not be regarded as an exclusion of other examples, and can be used for
Other combinations, modifications, and environments, and above-mentioned introduction or related fields can be passed through in application contemplated scope described herein
Technology or knowledge be modified.And changes and modifications made by those skilled in the art do not depart from the embodiment of the present invention spirit and
Range, then all should be in the protection scope of appended claims of the embodiment of the present invention.
Claims (11)
1. a kind of earphone charging box characterized by comprising charging interface, charging circuit, three choosings for being connect with charging source
One switch, power supply chip, functional unit and control switch；Wherein,
The charging interface is connect with the input terminal of the charging circuit；
The output end of the charging circuit is connect by the control switch with the first input end of the three elections switch；
The output end of the three elections switch is connect with the enable end of the power supply chip；
The input terminal of the power supply chip is connect with the output end of the charging circuit, the output end of the power supply chip with it is described
Functional unit connection；
When the control switch is connected to the access between the charging circuit and the three elections switch, the charging circuit and institute
The access connection between the enable end of power supply chip is stated, the enable end of the power supply chip receives enable signal, the power supply core
The electrical energy transportation that piece provides the charging circuit is to the functional unit.
2. earphone charging box according to claim 1, which is characterized in that the charging circuit includes charging chip and electricity
Pond；
The input terminal of the charging chip is connect with the charging interface, and the voltage end of the charging chip and the battery connect
It connects, the output end of the charging chip is connect with the input terminal of the control switch and the power supply chip.
3. earphone charging box according to claim 2, which is characterized in that the charging interface also with the three elections switch
The second input terminal connection；
Power path management circuit is provided between the voltage end and output end of the charging chip；
When the charging source exports electric energy to the charging interface, the power path management circuit disconnects the charging chip
Access between voltage end and the output end of the charging chip；
When the charging source stops exporting electric energy to the charging interface, the power path management circuit is connected to the charging core
Access between the voltage end of piece and the output end of the charging chip.
4. earphone charging box according to any one of claim 1 to 3, which is characterized in that the control switch includes dialling
Moving type switch, push button switch stir one of back springing type switch or key back springing type switch.
5. earphone charging box according to claim 4, which is characterized in that the control switch is stirred back springing type for described in and opened
It closes or key back springing type switch, the functional unit includes control chip；
The power end of the control chip is connect with the output end of the power supply chip；
The control terminal of the control chip is connect with the third input terminal of the three elections switch；
After electrical energy transportation to the control chip, the control chip is made by the three elections switch to the power supply chip
Energy end exports high level, to lock the enable signal of the enable end of the power supply chip.
6. earphone charging box according to claim 5, which is characterized in that the prison of the control chip and the charging circuit
Survey end connection.
7. earphone charging box according to any one of claim 1 to 3, which is characterized in that further include prompt component；
The prompt component is arranged between the control switch and the three elections switch；Or
The prompt component is arranged between the charging circuit and the power supply chip；Or
The prompt component is arranged between the power supply chip and the functional unit；Or
The prompt component is connect with the functional unit.
8. a kind of starting-up method of earphone charging box characterized by comprising the earphone charging box includes being used for and charging source
Charging interface, charging circuit, three elections switch, power supply chip, functional unit and the control switch of connection；
The described method includes:
The power supply chip detects whether to receive enable signal, wherein the enable signal is control switch connection institute
When stating the access between charging circuit and the three elections switch, the charging circuit passes through the three elections switch to the electricity
Source chip exports electric energy production；
When the power supply chip receives the enable signal, electrical energy transportation that the charging circuit is provided to the function
Component.
9. starting-up method according to claim 8, which is characterized in that the charging interface also with the three elections switch
The connection of second input terminal；
The power supply chip detects whether to receive enable signal, further includes: the charging source exports electricity to the charging interface
When energy, the charging interface exports electric energy production to the power supply chip by the three elections switch.
10. starting-up method according to claim 8 or claim 9, which is characterized in that the functional unit includes control chip；
The electrical energy transportation that when the power supply chip receives enable signal, the charging circuit is provided is to the function
Component, later further include:
The power supply chip detects whether to receive locking signal, wherein the locking signal is electrical energy transportation to the control
After chip, the control chip exports what high level generated by the three elections switch；
When the power supply chip receives the locking signal, the enable signal is locked.
11. starting-up method according to claim 10, which is characterized in that the locking enable signal is also wrapped later
It includes:
The power supply chip detects whether the locking signal disappears, wherein the locking signal disappearance is the control chip
It monitors in the given time, the charging circuit is not in working condition, and the control chip stopping passes through the one-out-three
Switch output high level generates；
When whether the locking signal disappears, then the power supply chip stops the electrical energy transportation for providing the charging circuit extremely
The functional unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811223281.1A CN109546699A (en) | 2018-10-19 | 2018-10-19 | A kind of earphone charging box and starting-up method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811223281.1A CN109546699A (en) | 2018-10-19 | 2018-10-19 | A kind of earphone charging box and starting-up method |
Publications (1)
| Publication Number | Publication Date |
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| CN109546699A true CN109546699A (en) | 2019-03-29 |
Family
ID=65844327
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811223281.1A Pending CN109546699A (en) | 2018-10-19 | 2018-10-19 | A kind of earphone charging box and starting-up method |
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Cited By (1)
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| CN110729777A (en) * | 2019-07-05 | 2020-01-24 | 珠海市杰理科技股份有限公司 | Charging and communication circuit and method, and charging device, accessory and system thereof |
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Application publication date: 20190329 |