CN108495224A - A kind of communication system - Google Patents
A kind of communication system Download PDFInfo
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- CN108495224A CN108495224A CN201810403360.4A CN201810403360A CN108495224A CN 108495224 A CN108495224 A CN 108495224A CN 201810403360 A CN201810403360 A CN 201810403360A CN 108495224 A CN108495224 A CN 108495224A
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- communication unit
- data transmission
- switch
- transmission contact
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- 238000004891 communication Methods 0.000 title claims abstract description 248
- 230000005540 biological transmission Effects 0.000 claims abstract description 173
- 238000006243 chemical reaction Methods 0.000 claims description 23
- 230000005669 field effect Effects 0.000 claims description 20
- 230000007704 transition Effects 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 7
- 238000004088 simulation Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 102100039372 Calcium uniporter regulatory subunit MCUb, mitochondrial Human genes 0.000 description 2
- 241001269238 Data Species 0.000 description 2
- 101100290461 Homo sapiens MCUB gene Proteins 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
Abstract
The invention discloses a kind of communication systems.Including wireless headset and charging box, wireless headset includes the first communication unit, first switch and first data transmission contact, and the first communication unit control first switch makes the first receiving port or the first sending port are connected with first data transmission contact.Charging box includes the second communication unit, second switch and the second data transmission contact, and the second communication unit control second switch makes the second receiving port or the second sending port are connected with the second data transmission contact.When first data transmission contact is connected with the second data transmission contact, the first sending port is connected with the second receiving port or the first receiving port is connected with the second sending port.By this programme, individual data transmission contact need to be only set, by controlling switching connection status, make wireless headset or charging box can be with transmission data or reception data, both-way communication between the two is completed, to effectively reduce the volume of connectivity port, to adapt to wireless headset miniaturization.
Description
Technical field
The present invention relates to communication technique field more particularly to a kind of communication systems.
Background technology
Wireless headset in the prior art, due to small volume, battery durable ability is not strong.Therefore, wireless headset is often
It configured with corresponding charging box, charges to wireless headset when going on a journey convenient for user, improves the cruising ability of wireless headset.For
The usage time for extending charging box, improves the cruising ability of charging box, usually when without using charging box, by the charging of charging box
Circuit is closed.Therefore when wireless headset needs charging, wireless headset is inserted into charging box, and charging box needs to open charging electricity in time
Road charges to wireless headset.In addition after wireless headset charging complete, it is also desirable to timely charge closing circuit.Therefore nothing
For line earphone after charging complete, charging box needs cut-out charging circuit in time, saves electricity.
It to sum up analyzes, exists between wireless headset and charging box and be inserted into the mutual cooperations such as detection and electric power detection control information
Deng interaction problems, this just needs to complete both-way communication between wireless headset and charging box.In the prior art, wireless headset and
Both-way communication usually two independent communication lines of setting between charging box, i.e. a data transmitting line and a data connect
Take-up road independently carries out receiving data and transmission data.It is arranged using this kind, is needed respectively in wireless headset and charging box
Connectivity port on be arranged two data transmission contacts, occupy larger space.And pursue the trend of miniaturization in wireless headset
Under, wireless headset small volume cannot be satisfied the setting requirements of two data transmission contacts.
Invention content
In order to solve leading to not in wireless headset since wireless headset volume minimizes for above-mentioned background technology proposition
The problem of two communication contacts of upper setting are to realize both-way communication, the present invention provides a kind of communication systems.
According to an aspect of the present invention, a kind of communication system is provided, including：
Wireless headset, including the first communication unit, first switch and first data transmission contact, the setting of the first communication unit
It is useful for the first receiving port carried out data transmission and the first sending port, the first communication unit makes for controlling first switch
First receiving port or the first sending port are connected with first data transmission contact；
Charging box, including the second communication unit, second switch and the second data transmission contact, the second communication unit are provided with
The second receiving port for carrying out data transmission and the second sending port, the second communication unit make for controlling second switch
Two receiving ports or the second sending port are connected with the second data transmission contact；
When first data transmission contact is connected with the second data transmission contact, the first sending port is led with the second receiving port
Logical or the first receiving port is connected with the second sending port.
Preferably, the second communication unit is in the initial state, control second switch to make the second sending port and second
Data transmission contact is connected, and for the first communication unit in the initial state, control first switch makes the first receiving port and the
One data transmission contact is connected.
Preferably, the second communication unit is additionally operable to after sending message, and control second switch switching connection status makes second to connect
Receiving end mouth is connected with the second data transmission contact；First communication unit is additionally operable to after receiving message, control first switch switching
Connection status makes the first sending port be connected with first data transmission contact.
Preferably, the first communication unit is in the initial state, control first switch to make the first sending port and first
Data transmission contact is connected, and for the second communication unit in the initial state, control second switch makes the second receiving port and the
Two data transmission contacts are connected.
Preferably, the first communication unit is additionally operable to after receiving first triggering command, control first switch switching connection
State makes the first receiving port be connected with first data transmission contact；Second communication unit is additionally operable to receive the second triggering command
Afterwards, control second switch switching connection status makes the second sending port be connected with the second data transmission contact.
Preferably, first switch is analog switch, and the first communication unit controls the connection status of analog switch, so that first
Sending port or the first receiving port are connected with first data transmission contact.
Preferably, second switch is analog switch, and the second communication unit controls the connection status of analog switch, so that second
Sending port or the second receiving port are connected with the second data transmission contact.
Preferably, first voltage conversion module is additionally provided in wireless headset, first voltage conversion module will be for that will send
Signal voltage transitions to the first communication unit are the signal voltage to match with the operating voltage of the first communication unit；
Second voltage conversion module is additionally provided in charging box, second voltage conversion module will be for that will be sent to the second communication
The signal voltage transitions of unit are the signal voltage to match with the operating voltage of the second communication unit.
Preferably, first voltage conversion module includes first resistor；The first end of first resistor is connect with the first power supply, the
The second end of one resistance and first data transmission contact portion；
Second voltage conversion module includes second resistance and field-effect tube；The grid of field-effect tube is connect with second source,
Source electrode is connect with second switch, drain electrode and the second data transmission contact portion；
The first end of second resistance connects second source, and the second end of second resistance connects source electrode.
Communication system according to the present invention, including wireless headset and with the matching used charging box of wireless headset, wireless
First data transmission contact is set on earphone, corresponding second data transmission contact is set on charging box, when two data
When transmitting contacting, data communication is realized between wireless headset and charging box.First switch and the is set in wireless headset
One communication unit connects, and the first communication unit control first switch makes the first receiving port or the first sending port and the first data
Contact conducting is transmitted, realizes wireless headset reception or transmission data；Second switch and the second communication unit are set in charging box
Connection, the second communication unit control second switch make the second receiving port or the second sending port be led with the second data transmission contact
It is logical, realize charging box reception or transmission data.When first data transmission contact is connected with the second data transmission contact, first sends
Port is connected with the second receiving port or the first receiving port is connected with the second sending port.Technical side through the invention
Case, it is only necessary to individual data transmission contact be respectively set on the connectivity port between wireless headset and charging box, pass through control
Switch between receiving port or sending port switch connection, make wireless headset or with charging box can with transmission data or receive number
According to the two-way data communication between completion wireless headset and charging box, to effectively reduce the company on wireless headset and charging box
The volume for connecing port, to adapt to wireless headset miniaturization.
Description of the drawings
Fig. 1 is the communication system block diagram that first embodiment of the invention provides；
Fig. 2 is the communication system block diagram that second embodiment of the invention provides；
Fig. 3 is the communication system block diagram that third embodiment of the invention provides；
Fig. 4 is the communication system block diagram that fourth embodiment of the invention provides；
Fig. 5 is the communication system physical circuit figure that fourth embodiment of the invention provides.
Specific implementation mode
The technical issues of in order to solve to propose in background technology, present inventor expect only in wireless headset and charging
Individual data is set between box and transmits contact, to reduce the volume for the connectivity port being connect with charging box on wireless headset.Pass through
The connection status of control switch determines that communication unit is sent or received data, completes double between wireless headset and charging box
To data transmission.To make the object, technical solutions and advantages of the present invention clearer, the present invention is implemented below in conjunction with attached drawing
Mode is described in further detail.
Embodiment 1
Fig. 1 shows the communication system block diagram that first embodiment of the invention provides, which includes wireless headset 100
With charging box 200.Wireless headset 100 includes the first communication unit 110, first switch 120 and first data transmission contact
130, the first communication unit 110 is provided with the first receiving port 112 and the first sending port 111 for carrying out data transmission,
First switch 120 is arranged in series between first data transmission contact 130 and the first communication unit 110.First switch 120 has
Two kinds of connection status are that the first receiving port 112 is sent with the conducting connection of first data transmission contact 130 and first respectively
Port 111 is connected with the conducting of first data transmission contact 130.First communication unit 110 is used to control the connection of first switch 120
State makes the first receiving port 112 or the first sending port 111 are connected with first data transmission contact 130.For example, when first
When the connection status of switch 120 is the first sending port of connection 111 and first data transmission contact 130, the first communication unit 110
It can carry out data and send operation；When the connection status of first switch 120 is that the first receiving port 112 of connection and the first data pass
When defeated contact 130, the first communication unit 110 can carry out data reception operation.Therefore, using the first communication unit 110 to
One switch 120 is controlled, to switch the connection status of first switch 120.For example, the connection status of acquiescence first switch 120
For the first receiving port of connection 112 and first data transmission contact 130, link order is set in the first communication unit 110, it will
The link order is sent to the first sending port 111, then the connection status of first switch 120 is converted to the first sending port of connection
111 with first data transmission contact 130.The link order can be a high level signal or low level signal, or arbitrarily with
The different signal of the data of transmission.
Charging box 200 includes the second communication unit 210, second switch 220 and the second data transmission contact 230, and second
Communication unit 210 is provided with the second receiving port 212 and the second sending port 211 for carrying out data transmission, second switch
220 are arranged in series between the second data transmission contact 230 and the second communication unit 210.There are two types of connections for the tool of second switch 220
State is the second receiving port 212 and the conducting connection of the second data transmission contact 230 and the second sending port 211 respectively with
The conducting connection of second data transmission contact 230.Second communication unit 210 is used to control the connection status of second switch 220, makes the
Two receiving ports 212 or the second sending port 211 and the second data transmission contact 230 are connected.For example, when second switch 220
When connection status is the second sending port 211 of connection and the second data transmission contact 230, the second communication unit 210 can carry out
Data send operation；When the connection status of second switch 220 is the second receiving port 212 of connection and the second data transmission contact
When 230, the second communication unit 210 can carry out data reception operation.Therefore, using the second communication unit 210 to second switch
220 are controlled, to convert the connection status of second switch 220.For example, the connection status of acquiescence second switch 220 is connection
Link order is arranged in the second communication unit 210, by the connection in second receiving port 212 and the second data transmission contact 230
Instruction is sent to the second sending port 211, then the connection status of second switch 220 be converted to the second sending port 211 of connection with
Second data transmission contact 230.The link order can be a high level signal or low level signal, or arbitrarily with transmission
The different signal of data.
When the communication system enables, first data transmission contact 130 connect conducting with the second data transmission contact 230,
The first sending port 111 and the second receiving port 212 are connected at this time, and the first communication unit 110 of wireless headset 100 sends number
According to the second communication unit 210 of charging box 200 receives data.Or work as first data transmission contact 130 and the second data transmission
When the connection conducting of contact 230, the first receiving port 112 and the second sending port 211 are connected, and the second communication of charging box 200 is single
First communication unit 110 of first 210 transmission datas, wireless headset 100 receives data.
When wireless headset 100 needs charging, wireless headset 100 is inserted into charging box 200 and charges, at this time the first data
Transmission contact 130 connect conducting with the second data transmission contact 230.After 100 charging complete of wireless headset, to reduce charging box
200 electric quantity consumption, charging box 200 need charge closing circuit.At this point, the first communication unit 110 of wireless headset 100 can be with
By controlling the connection status of first switch 120, so that the first sending port 111 is connected to first data transmission contact 130, pass through
First sending port 111 sends the information of charging complete to charging box 200.Meanwhile the second communication unit 210 of charging box 200
The connection status for controlling second switch 220, makes the second receiving port 212 be connected to the second data transmission contact 230, receives this and fill
The information that electricity is completed, and charge closing circuit in time, improve the cruising ability of charging box 200.In addition, to improve charge efficiency,
Wireless headset 100 should be at the state of low-power consumption in charging process, close the power consumption function of wireless headset 100 in time.For example,
Before charging box 200 starts to start to charge up wireless headset 100, the second communication unit 210 of charging box 200 can control second
The connection status of switch 220 makes the second sending port 211 be connected to the second data transmission contact 230, with to wireless headset 100
Send the information for closing bluetooth connection.The connection of the first communication unit 110 control first switch 120 of wireless headset 100 at this time
State makes the first receiving port 112 be connected to first data transmission contact 130, receives the information of the closing bluetooth connection, and and
When close bluetooth connection, to enter low power consumpting state, improve charge efficiency.
Through this embodiment, switch is set between communication unit and data transmission contact, and control is switched sending port
Or receiving port is connected to data transmission contact, you can realizes communication unit transmission data or receives the operating function of data.Cause
This needs that individual data transmission contact is respectively set on wireless headset 100 and the charging box 200 to match, you can realizes nothing
The both-way communication of line earphone 100 and charging box 200 ensures the demand of volume of transmitted data.Simultaneously can also simplify wireless headset 100 with
The design of connectivity port between charging box 200, reduces the volume of connectivity port, to adapt to the development of the miniaturization of wireless headset 100
Trend.
The first receiving port 112 or the first sending port 111 are connected with first data transmission contact 130 to realize, with
And the second receiving port 212 or the second sending port 211 are connected with the second data transmission contact 230, first switch 120 and
Switch identical with the structure of single-pole double-throw switch (SPDT) may be used in two switches 220, and there are two connecting pin and a common ends for tool.Two
A connecting pin is connect with sending port and receiving port respectively, and common end is connect with data contact.Meanwhile 120 He of first switch
Second switch 220 also needs to tool, and there are one control terminals, convenient for being connect with communication unit, so that communication unit can control change and open
The connection status of pass.For example, two connecting pins of first switch 120 respectively with the first sending port 111 and the first receiving port
112 connections, common end are connect with first data transmission contact 130, and control terminal is connect with the first communication unit 110.First communication
Unit 110 sends control instruction to the control terminal of first switch 120, to change the connection status of first switch 120, conducting first
Sending port 111 and first data transmission contact 130, or the first receiving port of conducting 112 and first data transmission contact
130.Similarly, details are not described herein again for second switch 220 and the second communication unit 210.By the setting, communication unit can be controlled voluntarily
System operation, with carry out transmission data or receive data, complete the bidirectional data transfers of communication system, realize different communication units it
Between communication function.It should be noted that first switch 120 can also be the switch similar with single-pole single-throw switch (SPST) structure, it is
Ensure the normal transmission of communication data, is arranged between data transmission contact in each sending port and receiving port respectively solely
Vertical switch.That is, four switches are respectively set, the communication connection between two communication units is realized.It is sent first
Between port 111 and first data transmission contact 130, between the first receiving port 112 and first data transmission contact 130,
Between two sending ports 211 and the second data transmission contact 230 and the second receiving port 212 and the second data transmission contact
Individually setting switchs between 230, by the open and close of corresponding communication unit control switch.When the first communication unit
110 when needing to send communication data, and the first communication unit 110 is closed the first sending port 111 and first data transmission contact 130
Between switch, disconnect the switch between the first receiving port 112 and first data transmission contact 130；Corresponding second communication
Unit 210 needs to receive communication data, therefore disconnects opening between the second sending port 211 and the second data transmission contact 230
It closes, connects the switch between the second receiving port 212 and the second data transmission contact 230 so that the first sending port 111 and the
Two receiving ports 212 are kept in communication connection, so that it is guaranteed that the transmission of communication data.
Specifically, first switch 120 can be analog switch, the first communication unit 110 controls the connection shape of analog switch
State, so that the first sending port 111 or the first receiving port 112 are connected with first data transmission contact 130.For example, first is logical
The control mouth of the connection status of control analog switch is provided on news unit 110, control mouth can realize simulation by controlling signal
The connection status of switch switches.Analog switch is the switch for communicating connection, control terminal is which is provided with, with the first communication unit
110 control mouth connection, receives the control signal of control mouth output, to be attached the switching of state.Can be specifically, first
When the control mouth output high level of communication unit 110, the first sending port 111 is connect with first data transmission contact 130；First
When the control mouth output low level of communication unit 110, the first receiving port 112 is connect with first data transmission contact 130.
Second switch 220 can also be analog switch, and the second communication unit 210 controls the connection status of analog switch, with
The second sending port 211 or the second receiving port 212 and the second data transmission contact 230 is set to be connected.For example, the second communication unit
The control mouth of the connection status of control analog switch is provided on 210, control mouth can realize analog switch by controlling signal
Connection status switches.Analog switch is the switch for communicating connection, control terminal is which is provided with, with the second communication unit 210
Control mouth connects, and the control signal of control mouth output is received, to be attached the switching of state.It can be specifically the second communication
When the control mouth output high level of unit 210, the second sending port 211 is connect with the second data transmission contact 230；Second communication
When the control mouth output low level of unit 210, the second receiving port 212 is connect with the second data transmission contact 230.
Here analog switch can be TS5A3167 analog switches or other analog switches applied in communication.
The control accuracy of communication unit can be improved using analog switch, it is ensured that connection precision.
Embodiment 2
Fig. 2 shows the communication system block diagrams that second embodiment of the invention provides.As shown in Fig. 2, the second communication unit 210
The second sending port 211 and the second data transmission contact 230 is set to be connected in the initial state, controlling second switch 220, the
One communication unit 110 is in the initial state, control first switch 120 to make the first receiving port 112 and first data transmission
Contact 130 is connected.
In order to enable communication system to carry out normal communication work, need to ensure that wireless headset 100 is inserted into charging box 200
When, the two can realize instant messaging.Therefore, in the initial state, the company of the second communication unit 210 control second switch 220
State is connect, the second sending port 211 and the second data transmission contact 230 is made to be connected.First communication unit 110 controls first switch
120 connection status makes the first receiving port 112 be connected with first data transmission contact 130.Original state can be wireless ear
State when machine 100 is detached with charging box 200 can also be state when wireless headset 100 is inserted into charging box 200.Setting should
State can be inserted into charging box 200, first data transmission contact 130 and the second data transmission contact 230 in wireless headset 100
When connection conducting, wireless headset 100 and charging box 200 can realize communication immediately.In this state, can only be led at this time by second
Unit 210 is interrogated to 110 transmission data of the first communication unit.If the first communication unit 110 needs to carry out data to send operation, by the
The connection status of one switch 120 switches to the first sending port 111 and is connect with first data transmission contact 130, while second is logical
The connection status that news unit 210 controls second switch 220 switches to the second receiving port 212 and the second data transmission contact 230
Connection.It is carried by the setting as long as data transmission can be realized after connecting conducting with charging box 200 in wireless headset 100
High communication efficiency.
In the present embodiment, the second communication unit 210 is additionally operable to after sending message, the control switching connection of second switch 220
State makes the second receiving port 212 and the second data transmission contact 230 be connected；First communication unit 110, which is additionally operable to receive, to disappear
After breath, control first switch 120, which switches connection status, makes the first sending port 111 be connected with first data transmission contact 130.Tool
Body, the second communication unit 210 send before charging starts and close the signal of bluetooth connection to first communication unit 110.Believing
After number being sent completely, the second communication unit 210 needs not continue to carry out transmission operation, at this time by the connection shape of second switch 220
State switches to reception operation, even if the conducting of the second receiving port 212 and the second data transmission contact 230, to receive the in time
The feedback signal or other signals of one communication unit 110.First communication unit 110 is receiving what the second communication unit 210 was sent
After closing bluetooth connection signal, that is, completes signal and receive operation, need that the connection status of first switch 120 is switched to hair in time
Operation is sent, to send feedback signal to the second communication unit 210 in time, ensures the normal work of communication system.
It should be noted that the message that the second communication unit 210 is sent, can be specific operational order, such as close
The signal instruction of bluetooth connection, can also be other data-signals, such as the remaining power signal of charging box 200, certainly
Can be the switching signal of switch connection status, to carry out the transmission between communication unit or receive data manipulation conversion.
After two communication units 210 complete a transmission data, if also needing to continue transmission data, the connection status without switch
Switching.At this point it is possible to which the handover request of switch connection status is separately provided.It is sent and then to first completing all data
Communication unit 110 sends handover request, and the on off state of itself is switched to reception state in time after being sent completely, in order to
Receive data.First communication unit 110 only in the handover request for receiving switch connection status, could carry out switch connection shape
The switching of state, remaining situation then keeps the current connection state of switch, to ensure normal communication, avoids that data receiver failure occurs
The case where.Certainly, when the first communication unit 110 is in transmission data, the second communication unit 210 is in the state for receiving data
When, after data are sent completely, the first communication unit 110 is also required to send switch connection status to the second communication unit 210
Switching command, with the data manipulation of both conversions, it is ensured that communication can be smoothed out.
First switch 120 and second switch 220 in the present embodiment can also be that the simulation consistent with embodiment 1 is opened
It closes, in order to which the first communication unit 110 and the second communication unit 210 are controlled, switches connection status in time.Here simulation
Switch can be TS5A3167 analog switches or other analog switches applied in communication.It can be carried using analog switch
The control accuracy of high communication unit, it is ensured that connection precision.
Embodiment 3
Fig. 3 shows the communication system block diagram that third embodiment of the invention provides.As shown in figure 3, the first communication unit 110
The first sending port 111 is set to be connected with first data transmission contact 130 in the initial state, controlling first switch 120, the
Two communication units 210 are in the initial state, control second switch 220 to make the second receiving port 212 and the second data transmission
Contact 230 is connected.
In order to enable communication system to carry out normal communication work, need to ensure that wireless headset 100 is inserted into charging box 200
When, the two can realize instant messaging.Therefore, in the initial state, the company of the first communication unit 110 control first switch 120
State is connect, the first sending port 111 is made to be connected with first data transmission contact 130.Second communication unit 210 controls second switch
220 connection status makes the second receiving port 212 and the second data transmission contact 230 be connected.Original state can be wireless ear
State when machine 100 is detached with charging box 200 can also be state when wireless headset 100 is inserted into charging box 200.Setting should
State, can be when wireless headset 100 be inserted into charging box 200, i.e. first data transmission contact and the second data transmission contact 230
When connection conducting, wireless headset 100 and charging box 200 can realize communication immediately.In this state, can only be led at this time by first
Unit 110 is interrogated to 210 transmission data of the second communication unit.If the second communication unit 210 needs to carry out data to send operation, by the
The connection status of two switches 220 switches to the second sending port 211 and is connect with the second data transmission contact 230, while first is logical
The connection status that news unit 110 controls first switch 120 switches to the first receiving port 112 and first data transmission contact 130
Connection.It is carried by the setting as long as data transmission can be realized after connecting conducting with charging box 200 in wireless headset 100
High communication efficiency.
In the present embodiment, the first communication unit 110 is additionally operable to after receiving first triggering command, controls first switch
120 switching connection status make the first receiving port 112 be connected with first data transmission contact 130；Second communication unit 210 is also used
After receiving the second triggering command, control second switch 220, which switches connection status, makes the second sending port 211 and the second data
Contact 230 is transmitted to be connected.First triggering command or the second triggering command can be that the specific switch that communication unit receives connects
Status switching instruction, such as one fixed high level of setting are connect as triggering command, when the first communication unit 110 receives this
When high level, control first switch 120 is attached the switching of state, such as by connection status from the first sending port 111 and the
The connection of one data transmission contact 130 is switched to the first receiving port 112 and is connect with first data transmission contact 130.When second logical
For news unit 210 when receiving the high level, control second switch 220 is attached the switching of state, such as by connection status from the
Two sending ports 211 connect with the second data transmission contact 230 and are switched to the second receiving port 212 and the second data transmission contact
230 connections.First triggering command and the second triggering command may be the same or different.
It specifically, can also startup of the setting button as first triggering command on wireless headset 100.When needing to convert
When the data manipulation state of the first communication unit 110, the button is pressed, triggering command is sent to the first communication unit 110.First
Communication unit 110 receives first triggering command, you can control first switch 120 switches connection status.Certainly, it can also charge
Startup of the setting button as the second triggering command on box, presses the button, the second communication unit 210 also receive immediately this
Two triggering commands, while controlling second switch 220 and switching connection status, to complete transmission data object and receive data object
It exchanges.The button being arranged on wireless headset can be that the Bluetooth switch on wireless headset 100 is crucial, when wireless headset 100 needs
When charging, and being inserted into charging box 200, Bluetooth switch button is pressed, while closing the Bluetooth function of wireless headset 100,
First triggering command is sent out, such as opens the triggering command that charging circuit charges.Due to being arranged on wireless headset 100,
First communication unit 110 receives the first triggering command immediately, by first switch 120 be switched to the first receiving port 112 with
The state that first data transmission contact 130 connects prepares the data information for receiving the transmission of charging box 200.On the other hand, Ke Yi
The button of setting is pressed on charging box, after charging box receives the second triggering command, switching second switch makes the second data pass
Defeated contact is connected with the second sending port, so as to establish the data line of the second sending port and the first receiving port
Road so that charging box can be to wireless headset transmission data.Wireless headset 100 may be used in the button of triggering first triggering command
Upper original button, can also be separately provided, can specifically be selected according to the volume size of wireless headset 100.Pass through setting
The transmission button of triggering command, user can voluntarily choose whether switching transmission data and receive the operation object of data, improve
User experience.
First switch 120 and second switch 220 in the present embodiment can also be that the simulation consistent with embodiment 1 is opened
It closes, in order to which the first communication unit 110 and the second communication unit 210 are controlled, switches connection status in time.Here simulation
Switch can be TS5A3167 analog switches or other analog switches applied in communication.It can be carried using analog switch
The control accuracy of high communication unit, it is ensured that connection precision.
Embodiment 4
On the basis of above-described embodiment 1, embodiment 2 and embodiment 3, as shown in figure 4, the communication system of the present invention is also
Including：First voltage conversion module 140 is additionally provided in wireless headset 100, first voltage conversion module 140 will be for that will be sent to
The signal voltage transitions of first communication unit 110 are the signal voltage to match with the operating voltage of the first communication unit 110.It fills
Second voltage conversion module 240 is additionally provided in electric box 200, second voltage conversion module 240 will be for that will be sent to the second communication
The signal voltage transitions of unit 210 are the signal voltage to match with the operating voltage of the second communication unit 210.For example, first
Communication unit 110 is the processor that 12V voltages drive work, and the second communication unit 210 is the processor that 5V voltages drive work.
When the first communication unit 110 sends the high level signal of 10V to the second communication unit 210, since the high level signal is higher than
The operating voltage of second communication unit 210, if the second communication unit 210 directly receives the high level signal, it is possible to can cause
The damage of second communication unit 210；When the first communication unit 110 sends the low level signal of 4V to the second communication unit 210,
It is possible that high level signal can be identified as by the second communication unit 210, to cause the operating mistake of the second communication unit 210.
Therefore, voltage transformation module is set, is to receive the communication unit of the signal power source by the signal voltage transitions that communication unit is sent
Corresponding operating voltage, it is ensured that data transmission can be smoothed out, and improve the accuracy of data transmission.
Specifically, as shown in figure 5, first voltage conversion module 140 includes first resistor R1；The first end of first resistor R1
It is connect with the first power supply VCC_A, the second end of first resistor R1 is connect with first data transmission contact 130.Second voltage is converted
Module 240 includes second resistance R2 and field-effect tube Q1；The grid of field-effect tube Q1 is connect with second source VCC_B, source electrode with
One end of second switch 220 connects, and drain electrode is connect with the second data transmission contact 230, and the first end of second resistance R2 connects the
The second end of two power supply VCC_B, second resistance R2 connect source electrode.The voltage of first power supply VCC_A and the first communication unit 110
Operating voltage matches, and the voltage of second source VCC_B is matched with the operating voltage of the second communication unit 210.For example, the first communication
The operating voltage of unit 110 is 5V, then the voltage of the first power supply VCC_A is also 5V, and the operating voltage of the second communication unit 210 is
3V, then the voltage of second source VCC_B is also 3V accordingly.
As shown in figure 5, the first communication unit 110 is MCUA, the second communication unit 210 is MCUB.Work as first data transmission
Contact 130 connect conducting with the second data transmission contact 230, and MCUA and MCUB can carry out timesharing both-way communication.When first logical
When news unit 110 sends high level signal by the first sending port 111 to the second communication unit 210, the source of field-effect tube Q1
Pole tension is raised, to which the voltage difference between field-effect tube Q1 source electrodes and grid reduces, field-effect tube Q1 cut-offs.Second connects
The voltage of receiving end mouth 212 is drawn high by second source VCC_B through second resistance R2, to obtain high level signal, is realized and first
Data transmission between communication unit 110.
When the first communication unit 110 sends low level signal by the first sending port 111 to the second communication unit 210
When, the source voltage of field-effect tube Q1 is pulled low, to which the voltage difference between field-effect tube Q1 source electrodes and grid increases, field effect
Should pipe Q1 conducting, be connected to the source electrode and drain electrode of field-effect tube Q1, the second receiving port 212 of the second communication unit 210 is received
To the low level signal, the data transmission between the first communication unit 110 is realized.
Similarly, when the second communication unit 210 sends high level by the second sending port 211 to the first communication unit 110
When signal, the drain voltage of field-effect tube Q1 is raised, to which the voltage difference between field-effect tube Q1 drain and gates reduces,
Field-effect tube Q1 cut-offs.The voltage of first receiving port 112 is drawn high by the first power supply VCC_A through first resistor R1, to obtain
High level signal realizes the data transmission between the second communication unit 210.
When the second communication unit 210 sends low level signal by the second sending port 211 to the first communication unit 110
When, the drain voltage of field-effect tube Q1 is pulled low, to which the voltage difference between field-effect tube Q1 drain and gates increases, field effect
Should pipe Q1 conducting, be connected to the source electrode and drain electrode of field-effect tube Q1, the first receiving port 112 of the first communication unit 110 is received
To the low level signal, the data transmission between the second communication unit 210 is realized.
By the way that first voltage conversion module 140 and second voltage conversion module 240 is arranged, according to the signal of communication data electricity
Pressure is automatically shifted to match with the operating voltage for the communication unit for receiving communication data, to ensure that communication unit can be normal
Work improves reliability.
In conclusion technical solution through the invention, it is only necessary to the connectivity port between wireless headset and charging box
On be respectively set individual data transmission contact, by control switch between receiving port or sending port switch connect, make nothing
Line earphone can be with transmission data or reception data with charging box, and the bi-directional data completed between wireless headset and charging box is logical
News, to effectively reduce the volume of the connectivity port on wireless headset and charging box, to adapt to wireless headset miniaturization.First opens
The control accuracy of communication unit can be improved with second switch using analog switch by closing, it is ensured that connection precision.In addition, by setting
First voltage conversion module and second voltage conversion module are set, according to the signal voltage of communication data, is automatically shifted to and receives
The operating voltage of the communication unit of communication data matches, and to ensure that communication unit can work normally, improves reliability.Pass through
Technical scheme of the present invention, even if communication unit can realize the biography of a large amount of communication datas if individual data transmission contact is only arranged
It is defeated, such as the insertion detection on wireless headset between realization earphone and the back box that charges, charged state detect and other are man-machine
The transmission interaction of the data such as cooperation control information.
The above description is merely a specific embodiment, under the above-mentioned introduction of the present invention, those skilled in the art
Other improvement or deformation can be carried out on the basis of the above embodiments.It will be understood by those skilled in the art that above-mentioned tool
Body description only preferably explains that the purpose of the present invention, protection scope of the present invention should be subject to the protection scope in claims.
Claims (9)
1. a kind of communication system, which is characterized in that including：
Wireless headset, including the first communication unit, first switch and first data transmission contact, the first communication unit setting
It is useful for the first receiving port carried out data transmission and the first sending port, first communication unit is for controlling described the
One switch makes first receiving port or first sending port are connected with the first data transmission contact；
Charging box, including the second communication unit, second switch and the second data transmission contact, second communication unit are provided with
The second receiving port for carrying out data transmission and the second sending port, second communication unit is for controlling described second
Switch makes second receiving port or second sending port are connected with second data transmission contact；
When the first data transmission contact is connected with second data transmission contact, first sending port and described the
Two receiving ports are connected or first receiving port is connected with second sending port.
2. communication system according to claim 1, which is characterized in that second communication unit is used in original state
Under, controlling the second switch makes second sending port be connected with second data transmission contact, first communication
Unit is in the initial state, controlling the first switch to make first receiving port and the first data transmission contact
Conducting.
3. communication system according to claim 2, which is characterized in that further include：
Second communication unit is additionally operable to after sending message, and controlling the second switch switching connection status makes the second receiving terminal
Mouth is connected with second data transmission contact；First communication unit is additionally operable to after receiving the message, described in control
First switch switching connection status makes first sending port be connected with the first data transmission contact.
4. communication system according to claim 1, which is characterized in that first communication unit is used in original state
Under, controlling the first switch makes first sending port be connected with the first data transmission contact, second communication
Unit is in the initial state, controlling the second switch to make second receiving port and second data transmission contact
Conducting.
5. communication system according to claim 4, which is characterized in that
First communication unit is additionally operable to after receiving first triggering command, controls the first switch switching connection status
The first receiving port is set to be connected with the first data transmission contact；Second communication unit is additionally operable to receive the second triggering
After instruction, controlling the second switch switching connection status makes second sending port be led with second data transmission contact
It is logical.
6. communication system according to any one of claims 1 to 5, which is characterized in that
The first switch is analog switch, and first communication unit controls the connection status of the analog switch, so that institute
It states the first sending port or first receiving port is connected with the first data transmission contact.
7. communication system according to any one of claims 1 to 5, which is characterized in that
The second switch is analog switch, and second communication unit controls the connection status of the analog switch, so that institute
It states the second sending port or second receiving port is connected with second data transmission contact.
8. communication system according to claim 1, which is characterized in that
First voltage conversion module is additionally provided in the wireless headset, the first voltage conversion module will be for that will be sent to institute
The signal voltage transitions for stating the first communication unit are the signal voltage to match with the operating voltage of first communication unit；
Second voltage conversion module is additionally provided in the charging box, the second voltage conversion module is described for that will be sent to
The signal voltage transitions of second communication unit are the signal voltage to match with the operating voltage of second communication unit.
9. communication system according to claim 8, which is characterized in that
The first voltage conversion module includes first resistor；The first end of the first resistor is connect with the first power supply, described
The second end of first resistor and the first data transmission contact portion；
The second voltage conversion module includes second resistance and field-effect tube；The grid of the field-effect tube connects with second source
It connects, source electrode is connect with the second switch, drain electrode and the second data transmission contact portion；
The first end of the second resistance connects second source, and the second end of the second resistance connects the source electrode.
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| CN110166868A (en) * | 2019-05-28 | 2019-08-23 | 歌尔科技有限公司 | A kind of charging box and charging system communicated with wireless headset |
| CN110213685A (en) * | 2019-05-11 | 2019-09-06 | 出门问问信息科技有限公司 | Earphone condition checkout gear, earphone condition detection method and earphone |
| 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 |
| CN111147971A (en) * | 2019-12-19 | 2020-05-12 | 佳禾智能科技股份有限公司 | TWS earphone and charging box two-way communication method |
| CN111225346A (en) * | 2019-11-28 | 2020-06-02 | 深圳传音控股股份有限公司 | Connection switching method of wireless earphone, wireless earphone and storage medium |
| CN111756088A (en) * | 2020-04-21 | 2020-10-09 | 美律电子(深圳)有限公司 | Earphone charging and data transmission system |
| CN111835045A (en) * | 2019-04-17 | 2020-10-27 | 安克创新科技股份有限公司 | Charging device and load device |
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| WO2021031296A1 (en) * | 2019-08-16 | 2021-02-25 | 歌尔股份有限公司 | Communication control method, apparatus and system, charging case and wireless earphone |
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| CN113347520A (en) * | 2020-03-02 | 2021-09-03 | Oppo广东移动通信有限公司 | Bidirectional communication circuit |
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| CN113347520A (en) * | 2020-03-02 | 2021-09-03 | Oppo广东移动通信有限公司 | Bidirectional communication circuit |
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