CN110225427A - Earphone charging box and its data transmission method, earphone - Google Patents
Earphone charging box and its data transmission method, earphone Download PDFInfo
- Publication number
- CN110225427A CN110225427A CN201910391237.XA CN201910391237A CN110225427A CN 110225427 A CN110225427 A CN 110225427A CN 201910391237 A CN201910391237 A CN 201910391237A CN 110225427 A CN110225427 A CN 110225427A
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- China
- Prior art keywords
- contact
- earphone
- charging box
- data
- charging
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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
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Present disclose provides a kind of earphone charging boxes, comprising: data transmit contact, and the quantity that data transmit contact is one, and when data transmit the data transmission contact electrical contact of contact and earphone, earphone charging box and earphone are able to carry out bidirectional data transfers；And uncovering detection device, whether uncapped state is in for test earphone charging box, wherein, when uncovering detection device detects that earphone charging box is in uncapped state, then earphone charging box and earphone is allowed to transmit the data transmission contact of contact and earphone by the data of the earphone charging box of electrical contact to carry out bidirectional data transfers.The disclosure additionally provides the data transmission method and earphone of a kind of earphone charging box.
Description
Technical field
This disclosure relates to a kind of earphone charging box and its data transmission method, earphone.
Background technique
Currently, when the charging box of the wireless headset of such as TWS earphone is uncapped, many products without communication interaction, even if
There are communication interactions, are also bluetooth or USB mode.
It is charging box and earphone by way of bluetooth interaction after uncapping by bluetooth interactive information, this mode to fill
The cloth member demand space of the printed circuit board of electric box increases and increased costs.And it is then required after uncapping using USB interactive mode
Earphone is connect with charging box at least 4PIN, has seriously affected the appearance of earphone in this way.
Therefore, mode in the prior art can make charging box volume increase, and affect charging box internal wiring layout
And increase cost etc..
Summary of the invention
At least one of in order to solve the above-mentioned technical problem, present disclose provides a kind of earphone charging boxes and its data to pass
Transmission method, earphone.
According to one aspect of the disclosure, a kind of earphone charging box, comprising: data transmit contact, the data transmission touching
The quantity of point is one, and when the data transmit the data transmission contact electrical contact of contact and earphone, the earphone fills
Electric box and the earphone are able to carry out bidirectional data transfers；And uncovering detection device, it is for detecting the earphone charging box
It is no to be in uncapped state, wherein when the uncovering detection device detects that the earphone charging box is in uncapped state, then to permit
Perhaps the described earphone charging box and the earphone pass through the data transmission contact of the earphone charging box of electrical contact and the earphone
Data transmission contact carry out bidirectional data transfers.
According at least one embodiment of the disclosure, the uncovering detection device includes Hall sensor and magnet, when
When the earphone charging box is uncapped, the magnet is far from the Hall sensor, by the signal for detecting the Hall sensor
Variation judge whether the earphone charging box is in uncapped state.
It further include universal asynchronous receiving-transmitting transmitter or universal synchronous/asynchronous according at least one embodiment of the disclosure
Receiving-transmitting transmitter, the universal asynchronous receiving-transmitting transmitter or universal synchronous/asynchronous receiving-transmitting transmitter are configured to single line half-duplex
Mode, with will pass through the earphone charging box a data transmission contact and the earphone data transmission contact progress it is two-way
Data transmission.
According at least one embodiment of the disclosure, further includes: the first contact, for charging with the first of the earphone
Contact contact；Second contact is contacted for the second charging contact with the earphone, is touched by first contact and second
Point, the respectively mutual electrical contact with the first charging contact of the earphone and the second charging contact, to be charged by the earphone
Box charges to the earphone.
According at least one embodiment of the disclosure, first contact and first charging contact are inhaled by magnetic
It attracts and is contacted, second contact is contacted with second charging contact by magnetic attraction and the ear
The data transmission contact of machine charging box and the data of the earphone transmit contact Elastic Contact.
According at least one embodiment of the disclosure, first contact and first charging contact are inhaled by magnetic
It attracts progress rigid contact and second contact and second charging contact carries out rigid contact by magnetic attraction
In the case where, pass through first contact and the first charging contact magnetic attracting force and second contact and described second
Charging contact magnetic attracting force so that the earphone charging box data transmission contact and the earphone data transmit contact into
Row Elastic Contact.
According at least one embodiment of the disclosure, the first contact, the second contact and the data of the earphone charging box
Transmission contact is located in the earphone ac slot of the earphone charging box, to be placed in the earphone ac slot when the earphone
When, the first charging contact, the second charging contact and data transmission the contact electrical contact with the earphone.
According to another aspect of the present disclosure, a kind of data transmission method of earphone charging box, the earphone charging box include
One data transmits contact to carry out bidirectional data transfers, the method packet with the data of earphone transmission contact electrical contact
It includes: detecting whether the earphone charging box is in uncapped state；And the data transmission contact of the confirmation earphone charging box is
The no data transmission contact electrical contact with earphone, when the earphone charging box is in uncapped state, and the earphone charging box
Data transmission contact whether with the data of earphone transmission contact electrical contact when, a data for passing through the earphone charging box pass
The data of defeated contact and the earphone transmit contact to carry out the bidirectional data transfers of the earphone charging box and the earphone.
According at least one embodiment of the disclosure, the universal asynchronous receiving-transmitting by being arranged to single line semiduplex mode is passed
Defeated device or universal synchronous/asynchronous receiving-transmitting transmitter realize the bidirectional data transfers of the earphone charging box and the earphone.
According to the another further aspect of the disclosure, a kind of earphone, the earphone are adapted to above-mentioned earphone charging box, the earphone
First charging contact, second charging contact and data transmission including shell and setting on the housing
Contact.
Detailed description of the invention
Attached drawing shows the illustrative embodiments of the disclosure, and it is bright together for explaining the principles of this disclosure,
Which includes these attached drawings to provide further understanding of the disclosure, and attached drawing is included in the description and constitutes this
Part of specification.
Fig. 1 is the schematic diagram according to the earphone of one embodiment of the disclosure.
Fig. 2 is the cross-sectional view of the charging box and earphone according to one embodiment of the disclosure.
Fig. 3 is the appearance diagram according to the charging box of one embodiment of the disclosure.
Fig. 4 is the flow chart according to the method for one embodiment of the disclosure.
Specific embodiment
The disclosure is described in further detail with embodiment with reference to the accompanying drawing.It is understood that this place
The specific embodiment of description is only used for explaining related content, rather than the restriction to the disclosure.It also should be noted that being
Convenient for description, part relevant to the disclosure is illustrated only in attached drawing.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the disclosure can
To be combined with each other.The disclosure is described in detail below with reference to the accompanying drawings and in conjunction with embodiment.
The technical solution of the disclosure will be described by taking earphone and charging box as an example below, it is however noted that, this public affairs
The technical solution opened can be adapted for other electronic equipments in addition to earphone and charging box etc..
According to embodiment of the present disclosure, earphone charging box may include to form its appearance whole or at least part of
Each electronic component accommodated in shell and shell, shell can be formed by the combination of single material or multiple material, such as shell
It may include nonmetallic materials or metal material, such as plastics, metal, carbon fiber, other fibre compositions, ceramics, glass, wooden
The material of product or combinations thereof is formed.
Each electronic component accommodated in charging box shell can include but is not limited to data transmission circuit, memory, power supply
Manage circuit, battery and processor.
Charging box can pass through data transmission circuit from external equipment (for example, server, intelligence by wired or wireless way
Energy phone, PC, PDA or access point) it receives data or sends data etc. to external equipment.By logical between charging box and earphone
Control instruction can be sent to earphone by letter, also can receive the data in earphone.
Memory can be used for storing the data etc. that charging box is obtained from external equipment, and can also be from paired
Data etc. are received in earphone, memory also can store program etc..
Electric power management circuit can be used for managing the electric energy of external power supply input, by being turned externally input electric energy
It changes, and by the power storage after conversion into battery.Wherein charging box can be by wired mode or wireless mode from outside
Power supply receives electric energy.In addition, the electric energy that storage stores in the battery can be transmitted to the battery of earphone by electric power management circuit
In, to realize the charging to earphone.
Processor can be used for controlling data transmission circuit, for receiving or sending data from external equipment and/or earphone
To external equipment and/or earphone, processor can be used for controlling the data transmission etc. of memory and external equipment or earphone, and
It can be used for controlling electric power management circuit etc..In addition, in the disclosure, the function of data transmission circuit and electric power management circuit can
To be realized by processor.
Earphone may include each ministry of electronics industry accommodated in the whole or at least part of shell and shell for be formed its appearance
Part, shell can be formed by the combination of single material or multiple material, such as shell may include nonmetallic materials or metal material
Material, such as the material of plastics, metal, carbon fiber, other fibre compositions, ceramics, glass, woodwork or combinations thereof are formed.
Each electronic component accommodated in earphone case can include but is not limited to telecommunication circuit, antenna, input equipment, sensing
Device, audio frequency processing circuit, memory, energy management circuit, battery and processor.
Telecommunication circuit can be communicated by the mobile terminal of antenna and such as smart phone.Telecommunication circuit can be supported
With the wire communication of external equipment.Telecommunication circuit may be electrically connected to the contact portion (such as contact) that the surface of shell is arranged in,
When earphone contacts external equipment, the contact portion of earphone may be electrically connected to the contact portion of external equipment, thus to realize communication.
Various input signals needed for input equipment can be configured as generation operation earphone.Input equipment may include touching
Template, button etc..Touch tablet can be touched at least one of for example capacitive, pressure sensitive, infrared type or ultrasonic-type to identify
Touch input, thus identification can in the state that earphone is worn the gesture input of finger on a touchpad.Button may include
Such as physical button or optics key.
Sensor can measure physical quantity or can sense the mode of operation of earphone.Sensor can by measuring or
The information sensed is converted to electric signal.Sensor may include such as optical sensor, motion sensor, acceleration sensing
Device, gyro sensor, geomagnetic field sensors, Magnetic Sensor, proximity sensor, gesture sensor, grip sensor or biology
Feature sensor etc..
Audio frequency processing circuit can support audio data collection function.Audio frequency processing circuit can reproduce collected audio
Data.According to some embodiments of the disclosure, audio frequency processing circuit is also designed as being included in the processor.
Memory can store for example corresponding with various operating systems needed for operation earphone or various user functions
Data, application and algorithm.
Energy management circuit can effectively manage and optimize the electricity usage of the battery in earphone.Energy management circuit can
To include battery charger.According to some embodiments of the disclosure, when earphone is couple to external equipment, energy management electricity
Road can charge to the battery of earphone by receiving the electric power provided from external equipment.
According to some embodiments of the disclosure, processor can be configured to connect other each electronic components, to be counted
According to processing or control etc..
According to some embodiments of the disclosure, earphone can also include various modules according to its type provided.Due to
Greatly according to the variation of the convergence of digital device, so variation is not enumerated all, but with said modules etc.
Same component can also be included in earphone.It will be understood by those of skill in the art that according to some embodiment party of the disclosure
Formula, some or certain components can be omitted or can be replaced by other component from above-mentioned component.
For the earphone charging box of the disclosure, charging can be realized using 3 PIN with two functions communicating, this 3
In a PIN, wherein 2 PIN are used to earphone charging, and another 1 PIN then can be used to implement earphone and earphone charging box
Between data double-way communication.According to an example, is charged by 2 PIN to earphone and realize the feelings of communication in another PIN simultaneously
Under condition, transmission will not be interrupted because earphone electricity is low.
Earphone and charging box are described in detail below in conjunction with specific example.
Fig. 1 shows the schematic diagram of the earphone according to the earphone charging box of disclosure specific example adaptation.As shown in Figure 1,
Earphone 10 may include head and leg, and may include that charging contact and data transmit contact, wherein charging contact sum number
It can be set at the surface of head or leg according to transmission contact, as shown in Figure 1, earphone 10 may include the first charging contact
11, the second charging contact 12 and data transmit contact 13.
Correspondingly, as shown in Figures 2 and 3, earphone charging box 20 may include the first contact 21, the second contact 22 and number
According to transmission contact 23.Wherein, Fig. 2 shows the cross-sectional view of the earphone when earphone is put into charging box and charging box, Fig. 3 shows ear
The appearance diagram of machine charging box.
First contact 21 can be used for being contacted with the first charging contact 11 of earphone 10, and the second contact 22 can be with
Contacted with the second charging contact 12 of earphone 10, in this way, when the first contact 21 and the second contact 22 and the first charging contact 11 and
After second charging contact 12 forms contact, the function of charging by charging box 20 for earphone 10 may be implemented.
Data transmission contact 23, which can be used for transmitting contact 13 with the data of earphone 10, to be contacted, to be passed by data
The contact of defeated contact 23 and data transmission contact 13, the data between Lai Shixian earphone 10 and charging box 20 such as send and receive at the number
According to transfer function.
First contact 21 and the second contact 22 pass through the magnetism between the first charging contact 11 and the second charging contact 12
Attraction contacts respectively to realize, and data transmission contact 23 and data transmission contact 13 can then carry out Elastic Contact.First
Contact 21 and the first charging contact 11 carry out rigid contact by magnetic attraction and the second contact 22 and the second charging contact
In the case that 12 carry out rigid contact by magnetic attraction, pass through 11 magnetic attracting force of the first contact 21 and the first charging contact
With 12 magnetic attracting force of the second contact 22 and the second charging contact, carried out so that data transmission contact 23 and data transmit contact 13
Elastic Contact.
Contact 13 will be transmitted to the first charging contact 11, the second charging contact 12 and data below to be described in detail.
The shell in earphone 10 can be set in first charging contact 11, second charging contact 12 and data transmission contact 13
It on surface, and can be the form of metal bosses or stainless steel substrates etc., can slightly be protruded from the surface of shell of earphone 10
Or it is flushed with surface of shell.First charging contact 11, the second charging contact 12 and data transmission contact 13 can be electrically connected (example
Such as patch) on the printed circuit board of such as flexible circuit board (FPC) of earphone 10, and by the circuit of flexible circuit board come
Realization is electrically connected with other electronic components in earphone 10.For example, the first charging contact 11, the second charging contact 12 and data
Transmission contact 13 can be set on the surface of shell of the leg of earphone.
Contact 23 will be transmitted to the first contact 21, the second contact 22 and data below to be described in detail.
The charging box shell in earphone placement region can be set in first contact 21, the second contact 22 and data transmission contact 23
It on body, and can be connect with the printed circuit board of charging box 20, so that other electronic components with charging box 20 are electrically connected
It connects.
First contact 21 and the second contact 22 can be located at the two sides of data transmission contact 23, i.e., data transmission contact 23 can
With between the first contact 21 and the second contact 22, optionally three can be arranged collinearly, similarly, the first charging contact
11 and second charging contact 12 can also be located at the two sides of data transmission contact 13, and collinear can be arranged.According to the disclosure
Embodiment, can also include that other functions be realized in other contacts, and other contacts can also be located at the first contact 21
And second between contact 22, at this point, earphone also correspondingly may include contact corresponding with the other contacts.
Contact between first contact 21 and the first charging contact 11 can be rigid contact, and the second contact 22 is filled with second
Contact between electric contact 12 may be rigid contact.First contact 21 and the first charging contact 11, the second contact 22 and
Two charging contacts 12 can be made of magnetic material, and mutual magnetic attraction may be implemented in this way.For example, the first contact 21
It can be made of magnet with the second contact 22, and the first charging contact 11 and the second charging contact 12 then can be by metal iron plates
Etc. being made.It is Elastic Contact that data, which transmit contact 23 and data transmission contact 13, and in one embodiment of the present disclosure, data pass
Defeated contact 13 is the form of metal bosses, and data transmission contact 23 can be the form of elastic component, for example, data transmit contact
23 can be to play aciculiform formula, and for example including thimble, spring and sleeve, thimble is located at upside and can push in sleeve
Spring is compressed.When data transmit contact 23 by data transmission contact 13 squeeze when, data transmission contact 23 can shrink and
It can keep the close contact that contact 13 is transmitted with data.
The earphone in the receiving earphone of charging box can be set in first contact 21, the second contact 22 and data transmission contact 23
The bottom of holding tank 24, and be in when being put into earphone, at position corresponding with the contact of earphone.First contact 21 and
Two contacts 22 can flush or protrude with the bottom surface of earphone ac slot 24 a little, and data transmit contact 23 can be from earphone
The bottom surface of holding tank 24 is prominent.According to one embodiment of the disclosure, charging box may include two earphone ac slots 24,
And two earphones are placed respectively, the first contact 21, the second contact 22 and data are equipped in two earphone ac slots 24 and are passed
Defeated contact 23.
First contact 21, the second contact 22 and data transmission contact 23 one end respectively with the first charging contact 11, second
Charging contact 12 and data transmission contact 13 contact, and the first contact 21, the second contact 22 and data transmit the another of contact 23
End can be electrically connected to the printed circuit board of charging box, to be electrically connected to the corresponding electronic component of charging box, such as the first touching
The other end of the 21, second contact 22 of point and data transmission contact 23 can be electrically connected on circuit board, furthermore in order to reinforce fixing
Such as it forms the side walls of the metal bosses of the first contact 21 and the second contact 22 and can securely be arranged to shell, such as be embedded in
Etc. modes, and the side wall of sleeve for forming the bullet needle of data transmission contact 23 can also be securely arranged on shell, such as
Insertion etc..
According to the technical solution of the disclosure, the first contact and the first charging contact carry out rigid contact by magnetic attraction
And in the case that the second contact and the second charging contact carry out rigid contact by magnetic attraction, pass through the first contact and the
One charging contact magnetic attracting force and the second contact and the second charging contact magnetic attracting force, so that data transmission contact and data
It transmits contact and carries out Elastic Contact.
According to the disclosure specific implementation, design for contact in charging box can be convex for two metals
Platform and between a bullet needle form, pass through the magnetic force rigid contact of metal bosses at both ends and the metal bosses of earphone, it is intermediate
Locate the Elastic Contact of the metal bosses for playing needle and earphone of charging box, in this way can to avoid caused by See-saw effect one of them
The synchronism stability contact of three contacts is used and realized to the risk that contact cannot steadily contact, word.
When earphone is put into charging box, pass through the magnetic of two charging contacts of two charging contacts and charging box of earphone
Property attract earphone be introduced into earphone ac slot, introducing is realized by the magnetic attraction between contact in this way, save earphone and
The space of saving can be used to increase battery capacity by the inner space of charging box in this way, after promoting earphone and charging box charging
Use the time, also can reduce the size of charging box.
It should be noted that the structure of above-mentioned contact is illustrated for a wireless headset, when there are two or two
When a above wireless headset, corresponding same structure can be respectively set, such as in the disclosure shown in the drawings of two
The case where earphone.
According to the disclosure illustrative embodiments, the earphone charging box of the disclosure can also include detection of uncapping
Device.The quantity that data transmit contact is one, and when data transmit the data transmission contact electrical contact of contact and earphone,
Earphone charging box and earphone are able to carry out bidirectional data transfers；And uncovering detection device, whether it is used for test earphone charging box
In uncapped state, wherein when uncovering detection device detects that earphone charging box is in uncapped state, then allow earphone to charge
Box and earphone transmit contact by the data that the data of the earphone charging box of electrical contact transmit contact and earphone to carry out two-way number
According to transmission.
According to the disclosure alternative embodiment, uncovering detection device includes Hall sensor and magnet, when earphone fills
When electric box is uncapped, magnet judges earphone charging box by the variation of the signal of detection Hall sensor far from Hall sensor
Whether uncapped state is in.
The schematic diagram for being equipped with the lower part 26 of earphone charging box of Hall sensor 30 is shown in Fig. 3, wherein Hall passes
Sensor 30 is located in the shell of lower part 26, the Hall sensor 30 shown in dotted line in figure.Although it is not shown in the figure, ability
Domain it will be appreciated by the skilled person that can be corresponding with the setting position of Hall sensor 30 with the upper cover 25 of earphone charging box
Magnet (not shown) is set at position, when magnet is close to or away from Hall sensor, because of the distance difference of magnet, hall sensing
The output signal of device is different.When uncapping, magnet is become far from Hall sensor, the signal of Hall sensor output by height
It is low, in this way, the processor (such as MCU) being connect with Hall sensor will test signal be it is low when, then may determine that earphone fills
Electric box is uncapped state.When magnet is close to Hall sensor, the signal of Hall sensor is got higher by low, in this way when earphone charges
When the processor of box detects that the signal of Hall sensor is high, then it may determine that earphone charging box is in off state.
It should be appreciated that magnet can be set on lower part 26, and Hall sensor 30 can be set in upper cover 25.Separately
Outside, in addition to can by Hall sensor and magnet come the uncapped state of test earphone charging box other than, other can also be passed through
Sensing device, for example, microswitch (by the vibration of charging box come detection switch state), contact-making switch (such as by detection on
The contact with lower part is covered to judge switch state).
With other products distinguish when, communication mode and can be used above-mentioned using uncapping in the disclosure
Contact point mode realizes bidirectional data transfers.In other products in the prior art, most of product is when charging box is uncapped
There is no communication modes between charging box and earphone, even if there are communication modes also to realize merely by bluetooth or USB.Such as
The foregoing description, the prior art there is a problem of larger.
The communication mode of uncapping used in the disclosure, can be using wireless headset as (such as intelligent with mobile terminal
Mobile phone) connection wireless device, and the wireless headset can receive data from mobile terminal, and pass through earphone and charging box
Bidirectional data communication, to control the data etc. of wireless headset.
For example, in the disclosure, it, can be by the data information of charging box by the bidirectional data communication of earphone and charging box
It is conveyed to earphone, and mobile terminal is sent to by earphone, such as can be by the information about power of charging box to earphone transmission.Example
Such as, earphone can also be controlled by charging box to be upgraded, earphone can receive upgrading data from mobile terminal, at this moment if ear
If machine needs to upgrade, charging box is needed to be upgraded to control earphone, after earphone receives upgrade file new version, earphone
Contact will be transmitted by data between charging box come notify charging box its receive the new version of upgrade file, i.e., notice is filled
Electric box its receive upgrade file and can be upgraded.Charging box is connected to after earphone signal, in the item for meeting earphone upgrading
Control earphone is upgraded under part.For example, the upgrading for controlling the earphone of left and right ear is suitable there are two earphones
Sequence, for example, charging box, which sends instruction to earphone, enters upgrade mode to control earphone, for example, charging box control earphone has upgraded
Upgrade procedure is restarted or exited after, and in addition charging box also can control left and right earphone and connect with mobile terminal etc..
In the following, being illustrated so that wireless headset is upgraded as an example.Mobile terminal below can be smart phone, put down
The equipment such as plate computer and laptop.
Assuming that having downloaded the upgrade file of new version in earphone, detected at earphone charging box when by detection unit of uncapping
When uncapped state, then the data double-way between earphone charging box control earphone and earphone charging box transmits.
Such as in the case where two wireless headsets are upgraded, and two earphones can be divided into main earphone and from ear
Machine.Earphone main first is established with mobile terminal and is wirelessly connected, and mode is literary from mobile terminal reception upgrading by wireless communication
Part.When main earphone and when being placed in earphone charging box from earphone, charging box is that two earphones charge, and when detection of uncapping
When equipment detects uncapped state, can by the upgrade file in main earphone by the data of charging box transmit contact be transferred to from
Earphone, and main earphone and when receiving upgrade file from earphone, charging box can control two earphones and be upgraded.Therefore
In update phase, charging box may determine that whether earphone is put into charging box, if it is determined that earphone have been placed in charging box and
In charged state, and when charging box is judged in uncapped state, the upgrade file transmission of Lai Jinhang principal and subordinate's earphone, transmission
After the completion, charging box can control two earphones and carry out upgrade mode etc..
In addition, can also be in the following ways: main earphone be whole with movement respectively in the escalation process of two wireless headsets
It holds and is established from earphone and is wirelessly connected, main earphone receives the upgrade file from mobile terminal, and upgrade file is sent to
From earphone.Main earphone and before being upgraded from earphone, whether the electricity for both judging itself is greater than predetermined electricity, if greatly
In predetermined electricity, then upgraded, it is if it is less than default electricity, then etc. to be upgraded.It is in after two earphones are put into charging box
When charged state, and detect that charging box is in uncapped state, then charging box is communicated with two earphones, can be according to two
The case where upgrade file in a earphone, starts the upgrading to two earphones
According to the optional embodiment of the disclosure, earphone charging box can also include universal asynchronous receiving-transmitting transmitter (UART,
Universal Asynchronous Receiver/Transmitter) or universal synchronous/asynchronous receiving-transmitting transmitter (USART,
Universal Synchronous/Asynchronous Receiver/Transmitter), the universal asynchronous receiving-transmitting transmitter
Or universal synchronous/asynchronous receiving-transmitting transmitter is configured to single line semiduplex mode, will pass through a data of earphone charging box
The data transmission contact for transmitting contact and earphone carries out bidirectional data transfers.
By using the single line semiduplex mode of UART/USART, a data transmission contact can be used to realize earphone
With the two-way communication of earphone charging box.Using UART/USART single line half-duplex operation do not need to increase any additional components and
Wireless headset chip supports UART/USART, such cost very little.
Specifically, " 1 " can be set by the position HDSEL of UART/USART register, UART/USART is matched in this way
It is set to and follows single line half-duplex protocol.And under single line semiduplex mode, the pin of TX and RX are interconnected in circuit,
When not having data transmission, TX shows as I/O mouthfuls of standard, that is to say, that when it is not driven by UART/USART, matches
Hanging input or open-drain state are set to export high resistant.In communication process, the conflict on line, example can be managed by software
Such as by using central arbiter, that is to say, that realize timesharing management to receiving and sending.For example, when being sent, as long as
There is data transmission, data are written on register, and transmission just continues always, and after sending, and end position for sending.When
After transmission, TX is configured to vacantly input again or the output high resistant of open-drain, and the single line of UART/USART may be implemented in this way
Half-duplex operation.
According to another embodiment of the disclosure, a kind of data transmission method of earphone charging box is additionally provided.Earphone fills
Electric box includes that a data transmit contact to carry out bidirectional data transfers with the data of earphone transmission contact electrical contact.Such as
Contact structure as described above can be used to carry out charging and data transmission.
As shown in figure 4, the method comprising the steps of S41, detecting whether in uncapped state and whether data transmission contact
Contact and step S42, earphone and charging box data are transmitted.
In step S41, whether test earphone charging box is in uncapped state, and detect wireless headset whether with earphone
It contacts with each other between the data transmission contact of charging box.In one alternate embodiment, also whether can detecte charge node
It is contacted with each other, whether can be in charged state with test earphone.
In step S42, if being that when being, the bi-directional data between earphone and charging box can be carried out in step S41
Transmission.
Wherein, uncovering detection device can be used in uncapped state detection, may include Hall sensor and magnet, works as ear
When machine charging box is uncapped, magnet judges that earphone fills by the variation of the signal of detection Hall sensor far from Hall sensor
Whether electric box is in uncapped state.It can certainly select other above-mentioned detection devices.
Above-mentioned data transmission nodal can be used in data transmission contact, and charge node can also be with above-mentioned charging
Node is identical.For simplicity, details are not described herein.
Earphone charging box can also include that (or universal synchronous/asynchronous receiving-transmitting transmitter, this is logical for universal asynchronous receiving-transmitting transmitter
It is configured to single line semiduplex mode with asynchronous receiving-transmitting transmitter or universal synchronous/asynchronous receiving-transmitting transmitter, will pass through earphone
The data transmission contact of charging box and the data transmission contact of earphone carry out bidirectional data transfers.In this way, can be by same
A piece signal wire realizes the reception and transmission of data.Specific implementation be referred on description.
According further to embodiment of the present disclosure, a kind of earphone is additionally provided, earphone is adapted to above-mentioned earphone charging box, ear
Machine includes the first charging contact, the second charging contact and the data transmission contact of shell and setting on the housing, and
First charging contact, the second charging contact and data transmission contact can be connected to the place of earphone by flexible printed circuit board etc.
Circuit is managed, to realize the function of charging or two-way communication.First charging contact, the second charging contact and data transmission contact ginseng
It sees description above.
According to the technical solution of the disclosure, UART/USART is used for for the first time in the wireless headset of such as TWS, and this public affairs
The technical solution opened will not appearance to product it is restricted, reduce the PIN that earphone is connect with charging box.Nothing can be reduced in this way
The overall price of line earphone keeps the good information exchange of earphone and charging box, enhances the experience sense etc. of user.
In the description of this specification, reference term " one embodiment/mode ", " some embodiment/modes ", " show
The description of example ", " specific example " or " some examples " etc. means to combine the specific spy of the embodiment/mode or example description
Sign, structure, material or feature are contained at least one embodiment/mode or example of the application.In the present specification, right
The schematic representation of above-mentioned term is necessarily directed to identical embodiment/mode or example.Moreover, the specific spy of description
Sign, structure, material or feature can be combined in any suitable manner in any one or more way of example or example.This
Outside, without conflicting with each other, those skilled in the art can be by different embodiment/modes described in this specification
Or example and different embodiment/modes or exemplary feature are combined.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present application, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
It will be understood by those of skill in the art that above embodiment is used for the purpose of clearly demonstrating the disclosure, and simultaneously
Non- be defined to the scope of the present disclosure.For those skilled in the art, may be used also on the basis of disclosed above
To make other variations or modification, and these variations or modification are still in the scope of the present disclosure.
Description of symbols
10 earphones
11 first charging contacts
12 second charging contacts
13 data transmit contact
20 charging boxes
21 first contacts
22 second contacts
23 data transmit contact
24 earphone ac slots
25 upper covers
26 lower parts
30 Hall sensors.
Claims (10)
1. a kind of earphone charging box characterized by comprising
Data transmit contact, and the quantity of data transmission contact is one, and when data transmission contact and earphone
When data transmit contact electrical contact, the earphone charging box and the earphone are able to carry out bidirectional data transfers；And
Uncovering detection device, for detecting whether the earphone charging box is in uncapped state,
Wherein, when the uncovering detection device detects that the earphone charging box is in uncapped state, then allow the earphone
Charging box and the earphone are transmitted by the data that the data of the earphone charging box of electrical contact transmit contact and the earphone
Contact carries out bidirectional data transfers.
2. earphone charging box as described in claim 1, which is characterized in that the uncovering detection device include Hall sensor and
Magnet, when the earphone charging box is uncapped, the magnet is far from the Hall sensor, by detecting the Hall sensor
The variation of signal judge whether the earphone charging box is in uncapped state.
3. earphone charging box as claimed in claim 1 or 2, which is characterized in that further include universal asynchronous receiving-transmitting transmitter or logical
With synchronous/asynchronous receiving-transmitting transmitter, the universal asynchronous receiving-transmitting transmitter or universal synchronous/asynchronous receiving-transmitting transmitter are configured to
Single line semiduplex mode, will pass through the data transmission contact of the earphone charging box and the data transmission touching of the earphone
Point carries out bidirectional data transfers.
4. earphone charging box as claimed any one in claims 1 to 3, which is characterized in that further include:
First contact is contacted for the first charging contact with the earphone；
Second contact is contacted for the second charging contact with the earphone, passes through first contact and the second contact, difference
With the first charging contact of the earphone and the mutual electrical contact of the second charging contact, by the earphone charging box to described
Earphone charges.
5. earphone charging box as claimed in claim 4, which is characterized in that
First contact is contacted with first charging contact by magnetic attraction, second contact and described the
Two charging contacts are contacted by magnetic attraction and the data of the earphone charging box transmit contact and the earphone
Data transmit contact Elastic Contact.
6. earphone charging box as described in claim 4 or 5, which is characterized in that first contact and first charging are touched
Point carried out by magnetic attraction rigid contact and second contact and second charging contact by magnetic attraction come
In the case where carrying out rigid contact, pass through first contact and the first charging contact magnetic attracting force and second touching
Point and the second charging contact magnetic attracting force, so that the number of data the transmission contact and the earphone of the earphone charging box
Elastic Contact is carried out according to transmission contact.
7. the earphone charging box as described in any one of claim 4 to 6, which is characterized in that the first of the earphone charging box
Contact, the second contact and data transmission contact are located in the earphone ac slot of the earphone charging box, to set when the earphone
When in the earphone ac slot, connect with the first charging contact, the second charging contact and data the transmission contact electricity of the earphone
Touching.
8. a kind of data transmission method of earphone charging box, which is characterized in that the earphone charging box includes a data transmission
Contact is to carry out bidirectional data transfers with the data of earphone transmission contact electrical contact, which comprises
Detect whether the earphone charging box is in uncapped state；With
Confirm the earphone charging box data transmission contact whether with the data of earphone transmission contact electrical contact,
When the earphone charging box is in uncapped state, and the data of data the transmission contact and earphone of the earphone charging box
When transmitting contact electrical contact, contact is transmitted by the data that a data of the earphone charging box transmit contact and the earphone
To carry out the bidirectional data transfers of the earphone charging box and the earphone.
9. method according to claim 8, which is characterized in that by the universal asynchronous receiving-transmitting for being arranged to single line semiduplex mode
Transmitter or universal synchronous/asynchronous receiving-transmitting transmitter realize the bidirectional data transfers of the earphone charging box and the earphone.
10. a kind of earphone, which is characterized in that the earphone and the earphone charging box as described in any one of claims 1 to 7 are suitable
Match, the earphone include shell and setting first charging contact on the housing, second charging contact and
The data transmit contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910391237.XA CN110225427B (en) | 2019-05-11 | 2019-05-11 | Earphone charging box, data transmission method thereof and earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910391237.XA CN110225427B (en) | 2019-05-11 | 2019-05-11 | Earphone charging box, data transmission method thereof and earphone |
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| CN110225427A true CN110225427A (en) | 2019-09-10 |
| CN110225427B CN110225427B (en) | 2021-01-01 |
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| CN113015056A (en) * | 2021-03-16 | 2021-06-22 | 英华达（上海）科技有限公司 | Earphone assembly and control method |
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| WO2021180148A1 (en) * | 2020-03-11 | 2021-09-16 | Oppo广东移动通信有限公司 | Method for identifying cover opening/closing of charging box, earbud, charging box, and system |
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