CN109638911A

CN109638911A - Charge telecommunication circuit, system, method, intelligent terminal and its accessory

Info

Publication number: CN109638911A
Application number: CN201811535121.0A
Authority: CN
Inventors: 龙树生; 罗广君
Original assignee: Zhuhai Jieli Technology Co Ltd
Current assignee: Zhuhai Jieli Technology Co Ltd
Priority date: 2018-12-14
Filing date: 2018-12-14
Publication date: 2019-04-16
Anticipated expiration: 2038-12-14
Also published as: CN109638911B

Abstract

A kind of charging telecommunication circuit, system, method, intelligent terminal and its accessory, comprising: current potential receiving end, for receiving the power supply of charging equipment transmission after it connect with charging equipment；The power supply at least partly period is configured as the first current potential and the second electric potential signal collection, at least one in the first current potential and the second current potential is charging potential, to provide working power for charging equipment；Second current potential parsing module, connect with current potential receiving end；Second current potential parsing module obtains digital signal sequences for parsing the first current potential and the second electric potential signal collection, and the first current potential and the second current potential are unequal, to obtain the information of charging equipment end transmission.Hardware circuit complexity is reduced, circuit structure is simple, compact.Structure compared with the existing technology is simple, and increased component is few, so that the charging telecommunication circuit of the embodiment of the present invention improves the stability and reliability of circuit structure compared with the existing technology.

Description

Charge telecommunication circuit, system, method, intelligent terminal and its accessory

Technical field

The present invention relates to electronic technology field more particularly to a kind of charging telecommunication circuit, system, method, intelligent terminal and Its accessory.

Background technique

With the development of science and technology, wireless headset (such as wireless Bluetooth headsets) is more more and more universal.Currently, usually wireless headset Charging box is configured, filled by two corresponding electrical power contacts point contacts between charging box and wireless headset Electricity.There are many communication requirements between charging box and wireless headset, comprising: after wireless headset is inserted into charging box, to headset batteries electricity Amount detection；Earphone is after charging box extraction, wireless headset booting；Key matching function on wireless headset charging box etc..

In traditional scheme, realized in the charging box and wireless headset of charging by two power contact contacts, in charging box No load detection circuit be used for detect charging box output it is whether hanging, i.e., charging box detect wireless headset whether in charging box； When the output of charging current detecting circuit detection charging box in charging box is connected to charging equipment, the charging electricity of charging box is detected The size of stream judges whether earphone internal cell is fully charged.However, wireless headset is during the charging process, electric current can change, Therefore, realize the information interchange between charging box and wireless headset in such a way that this analog quantity detects, method it is single and Not necessarily reliably, such as charging box judges whether earphone internal cell is fully charged by the charging current to wireless headset, when When earphone internal cell charging module charges the battery protection, earphone internal cell does not have also fully charged, and charging box is to ear The charging current of machine may become very little, in this way can there is a situation where charging box to headset batteries electricity judge by accident.Also, for one A little complicated functions, such as the key matching function on wireless headset charging box: there are two wirelessly wireless to ear in charging box Earphone presses one key of charging box, two wireless headset bootings by user, and interconnects pairs of ear earphone automatically, so External terminal can retrieve wireless headset and be matched afterwards.The charging being attached only is contacted by two power contacts at present Box and wireless headset can not also be reliably achieved the function, however, the contact increased between charging box and wireless headset can be obvious Increase cost and unreliability.

In the prior art, in order to realize the communication in charging process between charging box and wireless headset, usually in charging box Telecommunication circuit and switching circuit are increased separately with wireless headset both ends, specifically: telecommunication circuit is using frequency modulation (such as mixing side Formula) load the communication information；Switching circuit was charging for realizing the switching of the operating mode of charge mode and communication pattern Cheng Zhong, by the switching of operating mode, realize time-sharing multiplex power contact communicated, the switching between charge mode.So And when using mode of frequency regulation to be communicated, in hardware aspect: needing to be added frequency mixer, signal modulator, demodulator of PM signal PM With devices or the functional module such as filter；In terms of signal processing: needing to be mixed, modulate, demodulate etc. the operation of series.It is charging Box or wireless headset end increase above-mentioned hardware circuit, so that circuit structure becomes complicated, also, due to increasing excessive hardware electricity Road will lead to system reliability reduction；In addition, signal processing is more many and diverse.

Therefore, how to reduce hardware circuit complexity to realize that charging communication becomes the first technology urgently to be resolved and ask Topic.

In addition, communicate with charging equipment when how to realize terminal to be charged without electric or not enough power supply becomes urgently to be resolved The second technical problem；Again, how to reduce hardware circuit complexity and express the communication information during the charging process to realize As third technical problem urgently to be resolved；Alternatively, realizing how in the case where not increasing signal receiving end in charging process In provide or receive parallel power supply and transmission or receive the communication information become the 4th technical problem urgently to be resolved.

Summary of the invention

Based on above-mentioned technical problem to be solved in the prior art, the present invention provides a kind of charging telecommunication circuit, system, Method, intelligent terminal and its accessory.

For this purpose, according in a first aspect, the embodiment of the invention discloses a kind of charging telecommunication circuits, comprising:

Current potential receiving end, for receiving the power supply of charging equipment transmission after it connect with charging equipment；Power supply at least portion It is configured as the first current potential and the second electric potential signal collection at times, at least one in the first current potential and the second current potential is charging electricity Position, to provide working power for charging equipment；Second current potential parsing module, connect with current potential receiving end；The parsing of second current potential Module obtains digital signal sequences for parsing the first current potential and the second electric potential signal collection, the first current potential and the second current potential not phase Deng to obtain the information of charging equipment end transmission.

The current potential receiving end of multiplexing reception power supply, received power supply at least partly period are configured as the first current potential and second Electric potential signal collection, on the one hand, at least one in the first current potential and the second current potential is therefore charging potential can be to be charged Equipment provides charge power supply；On the other hand, the first current potential and the second current potential are unequal, therefore, receive charging equipment and provide power supply During, the second current potential parsing module can parse the first current potential and the second electric potential signal collection obtains digital signal sequences, after And the information of available charging equipment end transmission.That is, by multiplexing current potential receiving end, and pass through the second current potential parsing module It may be implemented not only to receive power supply but also transmit communication.Compared with the existing technology, it in the case where not increasing signal receiving end, needs to go here and there The single mode of operation of row charging or communication, the scheme of the present embodiment, can be same in the case where not increasing signal output end One period realized parallel reception power supply and the communication information, also, contacted relative to multiconductor and provide the scheme of power supply and communication, Hardware circuit complexity is reduced, circuit structure is simple, compact.Structure compared with the existing technology is simple, increased member Device is few so that the charging telecommunication circuit of the embodiment of the present invention improve compared with the existing technology circuit structure stability and can By property.

According to second aspect, the embodiment of the invention discloses a kind of charging telecommunication circuits, comprising:

Second comparator, reference voltage circuit and second controller, in which: the input terminal of the second comparator is for being connected to The current potential receiving end of charging equipment, the reference edge of the second comparator are connected to reference voltage circuit, the output of the second comparator End is connected to second controller；Reference voltage circuit is used to provide reference voltage to the reference edge of the second comparator；Second compares The input terminal of device is for inputting received first current potential in current potential receiving end and the second electric potential signal collection, the first current potential and the second current potential It can satisfy equipment operating potential needed for communication process at charging equipment end；Second comparator is inputted termination The first current potential and the second electric potential signal collection output digit signals sequence compared with reference voltage respectively received；Second controller is used for The information of charging equipment end transmission is obtained according to digital signal sequences.

Charging telecommunication circuit disclosed by the embodiments of the present invention, the input terminal of the second comparator is for being connected to charging equipment Current potential receiving end, the second comparator inputs received first current potential in current potential receiving end and the second electric potential signal collection, and will receive Signal collection output digit signals sequence is compared with reference voltage respectively, second controller can be according to digital signal sequences Obtain the information of charging equipment end transmission, that is, realize the reception of the communication information；And the first current potential and the second current potential can expire Equipment operating potential needed for communication process at sufficient charging equipment end, therefore, so that the equipment at charging equipment end When without electric or not enough power supply, the charging telecommunication circuit can be passed through and realize power supply, complete communication work.The embodiment of the present invention discloses Scheme in, on the original circuit base of equipment, using comparator and controller can parse charging equipment end transmission communication Information, circuit structure are simple, compact.In addition, the structure letter of the charging telecommunication circuit of the embodiment of the present invention compared with the existing technology Single, increased component is few, so that the charging telecommunication circuit of the embodiment of the present invention improves circuit structure compared with the existing technology Stability and reliability.

According to the third aspect, the embodiment of the invention discloses a kind of charging communication means, comprising:

The power supply branch that charging equipment is transmitted in current potential receiving end gives the second current potential parsing module；The power supply at least partly period It is configured as the first current potential and the second electric potential signal collection, at least one in the first current potential and the second current potential is charging potential；The Two current potential parsing modules parse the first current potential and the second electric potential signal collection obtains digital signal sequences；First current potential and the second current potential It is unequal；Digital signal sequences are transferred to second controller by the second current potential parsing module；Second controller is according to digital signal Sequence obtains the information of charging equipment end transmission.

According to fourth aspect, the embodiment of the invention discloses a kind of charging communication systems, comprising:

Boost in voltage unit, electronic switch, the first controller, current potential output end, current potential receiving end, the second comparator, base Quasi- potential circuit and second controller, in which: current potential output end and current potential receiving end are detachably connectable；Boost in voltage unit it is defeated Enter end for being connected to charge power supply；Boost in voltage unit is used to the current potential of charge power supply boosting to the first current potential；Electronic cutting The first input end of pass is connected to the output end of boost in voltage unit, and the second input terminal of electronic switch is for being connected to charging electricity Source, the output end of electronic switch are connected to current potential output end；First controller is for generating first control signal, the first control letter Number for characterize first communication information；Electronic switch is in response to the first control signal switched conductive that receives to first input end Or second input terminal, with switching the first current potential of output and the second current potential, the second current potential is the current potential of charge power supply, the first current potential and Current potential needed for second current potential meets the work of charging equipment end, the first current potential and the second current potential are unequal；Second comparator Input terminal is for being connected to current potential receiving end, and the reference edge of the second comparator is connected to reference voltage circuit, the second comparator Output end is connected to second controller；Reference voltage circuit is used to provide reference voltage to the reference edge of the second comparator；Second The input terminal of comparator is for inputting received first current potential in current potential receiving end and the second electric potential signal collection；Second comparator by its Received first current potential of input terminal and the second electric potential signal collection the output digit signals sequence compared with reference voltage respectively；Second control Device processed is used to obtain first communication information according to digital signal sequences.

In scheme disclosed by the embodiments of the present invention, on the original circuit base of equipment, for charging equipment end, voltage is utilized The cooperation of boosting unit and electronic switch can express the communication information of controller offer；For charging equipment end, using than Compared with the communication information that device and controller can parse the transmission of charging equipment end.Compared with the existing technology, hardware circuit knot is reduced Structure complexity, and realize the communication in charging process, circuit structure is simple, compact.In addition, the charging of the embodiment of the present invention communicates The structure of system compared with the existing technology is simple, and increased component is few, so that the charging communication system phase of the embodiment of the present invention The stability and reliability of circuit structure are improved for the prior art.

According to the 5th aspect, the embodiment of the invention discloses a kind of accessories, comprising:

Charging telecommunication circuit in above-mentioned first aspect or first aspect in any middle possible implementation；Alternatively, including Charging telecommunication circuit in above-mentioned second aspect or second aspect in any middle possible implementation.

According to the 6th aspect, the embodiment of the invention discloses a kind of accessories, comprising:

Current potential receiving end, for being connected to the power supply for receiving charging equipment transmission after charging equipment；Power supply at least partly when Section is configured as the first current potential and the second potential sequence；At least one in first current potential and the second current potential is charging potential, with It charges；First current potential and the second current potential are unequal, during receiving the power supply of charging equipment transmission, parse the first current potential With the second potential sequence, with obtain charging equipment end transmission information.

The current potential receiving end of multiplexing reception power supply, received power supply at least partly period are configured as the first current potential and second Electric potential signal collection, on the one hand, at least one in the first current potential and the second current potential is therefore charging potential can be to be charged Equipment provides charge power supply；On the other hand, the first current potential and the second current potential are unequal, therefore, receive charging equipment and provide power supply During, it can parse the first current potential and the second potential sequence, then, the information of available charging equipment end transmission.That is, By being multiplexed current potential receiving end, it may be implemented not only to receive power supply but also parse the communication information.Compared with the existing technology, do not increasing letter In the case where number receiving end, needs serially to charge or the single mode of operation of communication, the scheme of the present embodiment are not increasing signal In the case where output end, parallel reception power supply and the communication information can be realized in the same period.

According to the 7th aspect, the embodiment of the invention discloses a kind of intelligent terminals, comprising:

Intelligent terminal the machine；Accessory in above-mentioned 5th aspect or the 5th aspect in any middle possible implementation, or Accessory in above-mentioned 6th aspect or the 6th aspect in any middle possible implementation；Accessory and intelligent terminal the machine carry out data Interaction.

According to eighth aspect, the embodiment of the invention discloses a kind of charging communication systems, comprising:

Charging telecommunication circuit in above-mentioned first aspect or first aspect in any middle possible implementation；Alternatively, including Charging telecommunication circuit in above-mentioned second aspect or second aspect in any middle possible implementation；And charging equipment end Charge telecommunication circuit, and the charging telecommunication circuit at charging equipment end includes current potential output end；Current potential output end and current potential receiving end can Separation connection, to carry out information transmission.

According to the 9th aspect, the embodiment of the invention discloses a kind of charging communication systems, comprising:

Accessory or above-mentioned 6th aspect in above-mentioned 5th aspect or the 5th aspect in any middle possible implementation or Accessory in 6th aspect in any middle possible implementation；And charging equipment, accessory is detachably connectable with charging equipment, To carry out information transmission.

According to the tenth aspect, the embodiment of the invention discloses a kind of charging communication systems, comprising:

Charging equipment；Intelligent terminal in above-mentioned 9th aspect or the 9th aspect in any middle possible implementation；It is filling After electric equipment is connected with accessory, data interaction is carried out by accessory between intelligent terminal the machine and charging equipment.

Detailed description of the invention

It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor It puts, is also possible to obtain other drawings based on these drawings.

Fig. 1 is a kind of charging telecommunication circuit structural schematic diagram for charging equipment end disclosed in the embodiment of the present application 1；

Fig. 2 is a kind of charging telecommunication circuit structural representation for charging equipment end disclosed in the embodiment of the present application 1 Figure；

Fig. 3 is a kind of charging communication system architecture schematic diagram disclosed in the embodiment of the present application 1；

Fig. 4 is a kind of example knot of a kind of charging telecommunication circuit for charging equipment end disclosed in the embodiment of the present application 2 Structure schematic diagram；

Fig. 5 is a kind of second of example of charging telecommunication circuit for charging equipment end disclosed in the embodiment of the present application 2 Structural schematic diagram；

Fig. 6 is a kind of for the third example of the charging telecommunication circuit at charging equipment end disclosed in the embodiment of the present application 2 Structural schematic diagram；

Fig. 7 is a kind of the 4th kind of example of charging telecommunication circuit for charging equipment end disclosed in the embodiment of the present application 2 Structural schematic diagram；

Fig. 8 is a kind of the 5th kind of example of charging telecommunication circuit for charging equipment end disclosed in the embodiment of the present application 2 Structural schematic diagram；

Fig. 9 is one kind the first current potential parsing module exemplary construction schematic diagram disclosed in the embodiment of the present application 2；

Figure 10 is a kind of the 6th kind of example of charging telecommunication circuit for charging equipment end disclosed in the embodiment of the present application 2 Structural schematic diagram；

Figure 11 is a kind of charging communication means flow chart for charging equipment end disclosed in the embodiment of the present application 2；

Figure 12 is a kind of example of a kind of electric potential switching circuit for the telecommunication circuit that charges disclosed in the embodiment of the present application 2 Structural schematic diagram；

Figure 13 shows for a kind of second of electric potential switching circuit for the telecommunication circuit that charges disclosed in the embodiment of the present application 2 Example structural schematic diagram；

For a kind of electric potential switching circuit for the telecommunication circuit that charges disclosed in the embodiment of the present application 2, the third shows Figure 14 Example structural schematic diagram；

Figure 15 is to show for a kind of the 4th kind of the electric potential switching circuit for the telecommunication circuit that charges disclosed in the embodiment of the present application 2 Example structural schematic diagram；

Figure 16 is to show for a kind of the 5th kind of the electric potential switching circuit for the telecommunication circuit that charges disclosed in the embodiment of the present application 2 Example structural schematic diagram；

Figure 17 is a kind of a kind of exemplary construction schematic diagram of charging equipment disclosed in the embodiment of the present application 2；

Figure 18 is a kind of second of exemplary construction schematic diagram of charging equipment disclosed in the embodiment of the present application 2；

Figure 19 is a kind of a kind of charging telecommunication circuit structure for charging equipment end disclosed in the embodiment of the present application 3 Schematic diagram；

Figure 20 is a kind of second of charging telecommunication circuit knot for charging equipment end disclosed in the embodiment of the present application 3 Structure schematic diagram；

Figure 21 is a kind of the third charging telecommunication circuit knot for charging equipment end disclosed in the embodiment of the present application 3 Structure schematic diagram；

Figure 22 is a kind of charging communication means flow chart for charging equipment end disclosed in the embodiment of the present application 3；

Figure 23 is a kind of a kind of exemplary construction schematic diagram of accessory disclosed in the embodiment of the present application 3；

Figure 24 is a kind of second of exemplary construction schematic diagram of accessory disclosed in the embodiment of the present application 3；

Figure 25 is a kind of intelligent terminal schematic diagram disclosed in the embodiment of the present application；

Figure 26 is a kind of a kind of current potential Analytic principle example schematic diagram for the communication system that charges disclosed in the embodiment of the present application；

Figure 27 is a kind of charging communication system principle block diagram disclosed in the embodiment of the present application.

Specific embodiment

Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that term " first ", " second ", " third " are used for description purposes only, It is not understood to indicate or imply relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connected " " connects Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected；It can be machine Tool connection, is also possible to be electrically connected；It can be directly connected, can also can also be two indirectly connected through an intermediary Connection inside element can be wireless connection, be also possible to wired connection.To those skilled in the art, can have Body situation understands the concrete meaning of above-mentioned term in the present invention.

As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments It can be combined with each other at conflict.

Embodiment 1

It is communicated to realize in charging process, present embodiment discloses a kind of charging telecommunication circuits, are suitable for charging Power supply provides end (hereinafter referred to as charging equipment end), referring to FIG. 1, for a kind of charging telecommunication circuit structure disclosed in the present embodiment Schematic diagram, charging equipment generally comprise current potential output end C1 and ground terminal C2, when current potential output end C1 and ground terminal C2 respectively with After the power supply terminal connection of charging equipment, charging equipment can be by current potential output end C1 and ground terminal C2 to charging equipment Power supply is provided.The disclosed charging telecommunication circuit of the present embodiment includes: boost in voltage unit 11, electronic switch S1 and the first controller 3, in which:

The input terminal of boost in voltage unit 11 is for being connected to charge power supply POWER+, and boost in voltage unit 11 will be for that will fill The current potential of power supply boosts to the first current potential.In the present embodiment, alleged charge power supply POWER+ can be charging equipment battery and mention The power supply of confession is also possible to charging equipment from external received power supply, such as passes through the received power supply of power supply line.It is being embodied In the process, boost in voltage unit 11, can be by charge power supply POWER+'s after its input terminal receives charge power supply POWER+ Current potential is exported after boosting to the first current potential by output end.In the present embodiment, alleged first current potential can according to actual needs really Determine size, the present embodiment is not intended to limit the specific value of the first current potential and charge power supply POWER+ current potential.

Electronic switch S1 includes first input end and the second input terminal, and the first input end of electronic switch S1 is connected to voltage The output end of boosting unit 11, the second input terminal of electronic switch S1 is for being connected to charge power supply POWER+, electronic switch S1 Output end for being connected to charging equipment.In a particular embodiment, the output end of electronic switch S1 can be defeated by current potential Outlet C1 is connected to charging equipment.It should be noted that in the specific implementation process, due to electronic switch S1 output end and The current potential of current potential output end C1 is equal, and therefore, which can also be considered as the same terminal.

First controller 3 is connected to electronic switch S1, and in the present embodiment, the first controller 3 is for generating the first control letter Number, first control signal is for characterizing first communication information.In the present embodiment, alleged first communication information refers to charging equipment end The communication information to be transmitted, such as " inquiry electricity ", " accessory pairing ", " earphone is to ear ", " charging equipment end electricity " etc..Having In body embodiment, the first controller 3 can carry out coding to first communication information by pre-arranged code rule and form the first control letter Number.In the present embodiment, alleged first control signal is digital signal sequences, and specifically, digital signal sequences can be by communication protocols View is including, for example, any combination in initial bit, data bit, check bit, stop bit or other positions etc..

Electronic switch S1 in response to the first control signal switched conductive that receives to first input end or the second input terminal, With switching the first current potential of output and the second current potential, the second current potential is the current potential of charge power supply POWER+.In the present embodiment, the second electricity Position is the current potential of charge power supply POWER+, therefore, can satisfy current potential needed for charging equipment end works, and the first current potential is to fill Current potential after power supply POWER+ boosting, thus, it is also possible to meet current potential needed for charging equipment end works, so, the first electricity Current potential needed for position and the second current potential meet the work of charging equipment end, to provide power supply to charging equipment；In the present embodiment, First current potential and the second current potential are unequal, are believed with transmitting during providing power supply to charging equipment to charging equipment Breath.

In the present embodiment, the first current potential and the second current potential meet the required current potential of charging equipment end work, so that wait fill When the equipment at electric equipment end is without electric or not enough power supply, communication operations can be also executed.In the present embodiment, the second current potential is charge power supply The current potential of POWER+ can have resource with multiplex circuit, reduce the complexity of charging telecommunication circuit.

The disclosed telecommunication circuit that charges of the present embodiment, boosts to first for the current potential of charge power supply by boost in voltage unit Current potential, the first control signal switching output for characterizing first communication information that electronic switch is generated in response to the first controller First current potential and the second current potential, and the first current potential and the second current potential meet the required current potential of charging equipment end work, therefore, electricity Sub switch can provide power supply in switching the first current potential of output and during the second current potential for charging equipment, also, due to First current potential and the second current potential are unequal, may be implemented to pass during providing power supply to charging equipment to charging equipment Defeated information.The switching for passing through the first current potential and the second current potential, had not only realized and provides power supply to charging equipment, but also realized and mention Information is transmitted to charging equipment during power supply source.Also, in scheme disclosed by the embodiments of the present invention, in the original electricity of equipment On the basis of road, the communication information of controller offer can be provided using the cooperation of boost in voltage unit and electronic switch, reduced Hardware circuit complexity, circuit structure are simple, compact.In addition, the charging telecommunication circuit of the embodiment of the present invention is relative to existing There is the structure of technology simple, increased component is few, so that the charging telecommunication circuit of the embodiment of the present invention is compared with the existing technology Improve the stability and reliability of circuit structure.

Present embodiment discloses a kind of charging telecommunication circuits, are suitable for charging equipment end, in a particular embodiment, wait fill Electric equipment be with the matching used equipment of charging equipment in above-described embodiment, such as can be earphone, bracelet etc. intelligence be wearable Equipment can be the audio-visual devices such as MP3, MP4 for another example, can also be and the matched intelligence for having data-handling capacity of intelligent terminal It can accessory.Referring to FIG. 2, for a kind of charging telecommunication circuit structural schematic diagram disclosed in the present embodiment, charging equipment is usually wrapped Receiving end containing current potential C3 and common ground C4, when current potential receiving end C3 and common ground C4 is connect with the power supply terminal of charging equipment respectively Afterwards, charging equipment can receive the power supply that charging equipment provides by current potential receiving end C3 and common ground C4.The present embodiment is public The charging telecommunication circuit opened includes: the second comparator 311, reference voltage circuit 312 and second controller 33, in which:

The input terminal of second comparator 311 is used to be connected to the current potential receiving end C3 of charging equipment, the second comparator 311 Reference edge be connected to reference voltage circuit 312, the output end of the second comparator 311 is connected to second controller 33.

Reference voltage circuit 312 is used to provide reference voltage to the reference edge of the second comparator 311.Specifically, benchmark electricity Volt circuit 312 is connected to the reference voltage terminal of the second comparator 311, and reference voltage circuit 312 to the second comparator 311 for mentioning For reference voltage.In a particular embodiment, the working power of reference voltage circuit 312 can be provided by current potential receiving end C3, that is, Reference voltage circuit 312 is connected between current potential receiving end C3 and the reference voltage terminal of the second comparator 311.In the present embodiment, The working power of reference voltage circuit 312 is provided by current potential receiving end C3, can be made in the equipment at charging equipment end without electricity Or when not enough power supply, reference voltage circuit 312 can be provided by the rechargeable electrical energy at charging equipment end and worked required power supply.

The input terminal of second comparator 311 is for inputting received first current potential of current potential receiving end C3 and the second electric potential signal Collection, the first current potential and the second current potential can satisfy equipment operating potential needed for communication process at charging equipment end. In the present embodiment, the second comparator 311 is inputted received first current potential in end and the second electric potential signal collection is electric with benchmark respectively Pressure ratio is compared with output digit signals sequence.Specifically, since the first current potential and the second current potential are unequal, in the first current potential and Reference potential is set between second current potential, the first current potential and the second current potential can export high and low electricity after compared with reference potential Flat digital signal, that is, the first current potential for characterizing first communication information and the second electric potential signal collection can be converted to and more be advised Whole digital signal sequences, these digital signal sequences can be logically controlled device or controller is read.As optional Embodiment, the second comparator 311 can be existing general comparator, preferably Schmidt trigger, after reducing relatively The burr of output signal.

Second controller 33 is used to obtain the information of charging equipment end transmission according to digital signal sequences.In specific embodiment In, second controller 33 parses digital signal sequences according to the decoding rule being adapted with the first controller pre-arranged code rule Obtain the information of charging equipment end transmission.

The disclosed telecommunication circuit that charges of the present embodiment, the input terminal of the second comparator are used to be connected to the electricity of charging equipment Position receiving end, the second comparator input received first current potential in current potential receiving end and the second electric potential signal collection, and by received letter Number collection is compared output digit signals sequence with reference voltage respectively, and second controller can be obtained according to digital signal sequences The information of charging equipment end transmission, that is, realize the reception of the communication information；And the first current potential and the second current potential can satisfy to The equipment at charging equipment end operating potential needed for communication process, therefore so that charging equipment end equipment without electricity Or when not enough power supply, it can be realized and be powered by the charging telecommunication circuit, complete communication work.Side disclosed by the embodiments of the present invention In case, on the original circuit base of equipment, the communication information of charging equipment end transmission can be parsed using comparator and controller, Circuit structure is simple, compact.In addition, the structure of the charging telecommunication circuit of the embodiment of the present invention compared with the existing technology is simple, increase The component added is few, so that the charging telecommunication circuit of the embodiment of the present invention improves the stabilization of circuit structure compared with the existing technology Property and reliability.

The present embodiment also discloses a kind of charging communication system, referring to FIG. 3, logical for a kind of charging disclosed in the present embodiment Believe circuit system structural schematic diagram, which includes: boost in voltage unit 11, electronic switch S1, the first controller 3, current potential output end C1, current potential receiving end C3, the second comparator 311, reference voltage circuit 312 and second controller 33, in which:

Current potential output end C1 and current potential receiving end C3 are detachably connectable.In a particular embodiment, current potential output end C1 and electricity Position receiving end C3 connection type existing connection type can be used, can also using the future may appear connection type.This In embodiment, as long as current potential output end C1 can be realized electric signal transmission between the two after connecting with current potential receiving end C3.

The input terminal of boost in voltage unit 11 is for being connected to charge power supply POWER+；Boost in voltage unit 11 will be for that will fill The current potential of power supply boosts to the first current potential；The first input end of electronic switch S1 is connected to the output of boost in voltage unit 11 End, for the second input terminal of electronic switch S1 for being connected to charge power supply POWER+, the output end of electronic switch S1 is connected to electricity Position output end C1.

First controller 3 is for generating first control signal, and first control signal is for characterizing first communication information；Electronics Switch S1 is in response to the first control signal switched conductive that receives to first input end or the second input terminal, with switching output the One current potential and the second current potential, the second current potential are the current potential of charge power supply POWER+, and the first current potential and the second current potential meet to be charged Current potential needed for equipment end work, the first current potential and the second current potential are unequal.

The input terminal of second comparator 311 is for being connected to current potential receiving end C3, the reference edge connection of the second comparator 311 To reference voltage circuit 312, the output end of the second comparator 311 is connected to second controller 33.

Reference voltage circuit 312 is used to provide reference voltage to the reference edge of the second comparator 311.Second comparator 311 Input terminal for inputting received first current potential of current potential receiving end C3 and the second electric potential signal collection；Second comparator 311 by its Received first current potential of input terminal and the second electric potential signal collection the output digit signals sequence compared with reference voltage respectively；Second control Device 33 processed is used to obtain first communication information according to digital signal sequences.

In order to facilitate the understanding of those skilled in the art, it is used as exemplary scene, (is matched with charging box (charging equipment) and wireless headset Part) it is described as example, such as: wireless headset is exported with the current potential of charging box respectively by current potential receiving end C3 and common ground C4 End C1 is connected with ground terminal C2, and the charge power supply that charging box provides can be transmitted to wireless headset by the terminal of connection, gives nothing Line earphone provides power supply.During the charging process, the first controller 3 can be by pre-arranged code rule encoding to first communication information (such as matching to wireless headset) is encoded to obtain first control signal；Electronic switch S1 is in response to first control signal It is switched between the first current potential and the second current potential, so that the current potential of current potential output end C1 is also in the first current potential and the second current potential Between switch over.Wireless headset end receives the first current potential and the second current potential of switching, comparator 311 by current potential receiving end C3 First current potential and the second current potential are compared respectively to obtain the digital signal sequences of low and high level, the second control with reference voltage Device parses digital signal sequences to obtain first communication information by preset decoding rule.Wireless headset is according to first communication information Corresponding operation (such as pairing) can be executed.

It should be noted that foregoing exemplary description is only to facilitate those skilled in the art understand that technical solution, no It can be interpreted as the restriction to the present embodiment technical solution.For example, can also be inquiry electricity, to ear etc. in application scenes Information exchange.

In scheme disclosed in the present embodiment, on the original circuit base of equipment, for charging equipment end, boost in voltage is utilized The cooperation of unit and electronic switch can express the communication information of controller offer；For charging equipment end, comparator is utilized The communication information of charging equipment end transmission can be parsed with controller.Compared with the existing technology, it is multiple to reduce hardware circuit Miscellaneous degree, and realize the communication in charging process, circuit structure is simple, compact.In addition, the charging communication system of the embodiment of the present invention Structure compared with the existing technology is simple, and increased component is few so that the charging communication system of the embodiment of the present invention relative to The prior art improves the stability and reliability of circuit structure.

Embodiment 2

It is communicated to realize in charging process, present embodiment discloses a kind of charging telecommunication circuits, are suitable for charging Power supply provides end (hereinafter referred to as charging equipment end), referring to FIG. 4, for a kind of charging telecommunication circuit structure disclosed in the present embodiment Schematic diagram, charging equipment generally comprise current potential output end C1 and ground terminal C2, when current potential output end C1 and ground terminal C2 respectively with After the power supply terminal connection of charging equipment, charging equipment can be by current potential output end C1 and ground terminal C2 to charging equipment Power supply is provided.The disclosed charging telecommunication circuit of the present embodiment includes: current potential output end C1, the first current potential switching module 1 and first Controller 3, in which:

Current potential output end C1 is for providing power supply to charging equipment after connecting with the feeder ear of charging equipment.This reality It applies in example, the connection type being not intended to limit between current potential output end C1 and the feeder ear of charging equipment, as long as current potential output end After the connection of the feeder ear of C1 and charging equipment, current potential output end C1 can provide power supply to charging equipment.

First current potential switching module 1 is connect with current potential output end C1.In a particular embodiment, the first current potential switching module 1 It is connected between charge power supply POWER+ and current potential output end C1, in the present embodiment, alleged charge power supply POWER+, which can be, to be filled The power supply that electric equipment battery provides is also possible to charging equipment from external received power supply, such as passes through the received electricity of power supply line Source.It, can be according to the current potential of charge power supply POWER+ after first current potential switching module 1 receives the current potential of charge power supply POWER+ Export the first current potential or the second current potential.

First controller 3 is connect with the first current potential switching module 1, and the first controller 3 is for generating first control signal.? In specific embodiment, the first controller 3 is encoded to obtain first control signal to first communication information.In the present embodiment, institute First communication information is claimed to refer to the charging equipment end communication information to be transmitted, such as " inquiry electricity ", " accessory pairing ", " earphone To ear ", " charging equipment end electricity " etc..In a particular embodiment, the first controller 3 can be logical to first by pre-arranged code rule Letter information carries out coding and forms first control signal.In the present embodiment, alleged first control signal is digital signal sequences, specifically Ground, digital signal sequences can include for example by communication protocol: in initial bit, data bit, check bit, stop bit or other positions etc. Any combination.

First current potential switching module 1 switches between the first current potential and the second current potential in response to first control signal, To the first current potential or the second current potential switched to current potential output end C1 output.In the present embodiment, the first current potential and the second current potential In at least one be charging potential, with to charging equipment provide power supply.Alleged charging potential is to refer to set to be to be charged It is standby that the current potential of rechargeable electrical energy is provided.In the present embodiment, the first current potential and the second current potential are unequal, to provide to charging equipment Information is transmitted to charging equipment end during power supply.

In the present embodiment, at least one in the first current potential and the second current potential is charging potential, so that setting to be charged It is standby to mention in transmission information process, it also being capable of a length of charging equipment charging when at least partly.

The disclosed telecommunication circuit that charges of the present embodiment, multiplexing provide the current potential output end of power supply, the first current potential switching module It is switched between the first current potential and the second current potential in response to first control signal, so that the current potential of current potential output end is first It is switched between current potential and the second current potential.On the one hand, at least one in the first current potential and the second current potential is charging potential, because This, can be charged by current potential output end to the equipment at charging equipment end；On the other hand, the first current potential and the second current potential It is unequal, therefore, during providing power supply to charging equipment, information can be transmitted to charging equipment end.Pass through First current potential switching module switches between the first current potential and the second current potential, is multiplexed current potential output end, can charge Cheng Zhong not only charges but also transmits communication.Compared with the existing technology, the first current potential switching module is increased only, hardware circuit is reduced Structure complexity, circuit structure are simple, compact.In addition, the charging communication system of the embodiment of the present invention is compared with the existing technology Structure is simple, and increased component is few, so that the charging communication system of the embodiment of the present invention improves electricity compared with the existing technology The stability and reliability of line structure.

In a particular embodiment, referring to FIG. 4, the first current potential switching module 1 disclosed in the present embodiment includes: the first switching Switch S1, first switches switch S1 connect with current potential output end C1；First switching switch S1 is under the triggering of first control signal The on state of switching electric potential output end C1, the on state of current potential output end C1 include: current potential output end C1 and the first current potential Potential end conducting where the potential end conducting at place and current potential output end C1 and the second current potential.

In a particular embodiment, the first current potential switching module 1 includes: voltage conversion unit 11, and voltage conversion unit 11 is used In converting the first current potential for the current potential of charge power supply.Specifically, the potential end where the first current potential is voltage conversion unit 11 The first input end of output end, i.e. switching switch S1 is connected to 11 output end of voltage conversion unit；For multiplex circuit as far as possible There is resource, reduce the complexity of charging telecommunication circuit, in an alternate embodiment of the invention, the potential end where the second current potential is voltage Second input terminal of 11 input terminal of conversion unit, i.e. switching switch S1 is connected to 11 input terminal of voltage conversion unit.

Fig. 5 and Fig. 6 are please referred to, voltage conversion unit 11 is boost in voltage unit.Boost in voltage unit is by charge power supply The first current potential is exported after current potential boosting, the first current potential is the charging potential at charging equipment end.In one embodiment, it please refers to Fig. 5, the potential end where the second current potential are 11 input terminal of voltage conversion unit, i.e. the second input terminal of switching switch S1 is connected to 11 input terminal of voltage conversion unit, that is, the second current potential is the current potential of charge power supply.

In another embodiment, referring to FIG. 6, the second current potential is zero potential, that is, switch the second input terminal of switch S1 It is connected to ground terminal.In a particular embodiment, the disclosed charging telecommunication circuit of the present embodiment further includes ground terminal C2, ground terminal C2 Altogether for the charge power supply after it is electrically connected with charging equipment and charging equipment；Second current potential is the electricity of ground terminal C2 Position.

It should be noted that in the above-described embodiments, since the first current potential is the charging potential of charging equipment, No matter the height of the second current potential, as long as switching to the first current potential, can be to be charged set by the first current potential in communication process It is standby to charge.

It should be noted that when the second current potential be charge power supply current potential when, when due to the first current potential boost after current potential, Therefore, the first current potential is higher than the second current potential.When the current potential of charge power supply can satisfy the equipment at charging equipment end in communication process Needed for operating potential when, the first current potential and the second current potential can satisfy the equipment at charging equipment end in communication process Required operating potential.So that the equipment at charging equipment end also can be realized communication when without electric or not enough power supply.

When the current potential of charge power supply is sufficiently high, in an alternate embodiment of the invention, referring to FIG. 7, voltage conversion unit 11 is Voltage step-down unit.Voltage step-down unit is used to the current potential of charge power supply being depressurized to the first current potential and the second current potential.I.e. first The first input end and the second input terminal that switch switch S1 are respectively connected to two output ends of voltage step-down unit, one of them The current potential of output end is the first current potential, and the current potential of another output is the second current potential.

Certainly, similarly, it can satisfy charging equipment end as preferred embodiment, the first current potential and the second current potential Equipment operating potential needed for communication process.So that the equipment at charging equipment end also can when without electric or not enough power supply It is enough to realize communication.

In order to realize two-way communication, the communication information for receiving charging equipment end please refers to figure in an alternate embodiment of the invention 8, the disclosed telecommunication circuit that charges of the present embodiment further include: the first current potential parsing module 2, the first current potential parsing module 2 and current potential Output end C1 connection, specifically, the first current potential parsing module 2 is connected between current potential output end C1 and the first controller 3.This reality It applies in example, the first current potential parsing module 2 obtains the from the received electric signal in charging equipment end for parsing current potential output end C1 One generator terminal current potential and the second generator terminal electric potential signal collection.In the present embodiment, alleged generator terminal current potential refers to that current potential output end C1 is received Charging equipment end send above earth potential.In a particular embodiment, the first generator terminal current potential is not equal to the second generator terminal current potential, from And the first generator terminal current potential and the second generator terminal electric potential signal collection can characterize second communication information, in the present embodiment, alleged second is logical Letter information refers to the communication information of charging equipment end transmission.

It should be noted that the first controller 3 can when power supply or information are transmitted to charging equipment end in charging equipment end To control the channel status of the first current potential parsing module 2, so that being short between the first current potential switching module 1 and current potential output end C1 State is connect, in case the electric energy that the load of the first current potential parsing module 2 exports the first current potential switching module 1 causes to be lost.

In a particular embodiment, referring to FIG. 9, the first current potential parsing module 2 disclosed in the present embodiment includes: first to compare The input terminal of device 21, first comparator 21 is connect with current potential output end C1.First comparator 21 is received for being inputted end Electric signal chronologically obtains comparison result compared with reference potential respectively, and comparison result is the first generator terminal current potential and the second generator terminal electricity Position signal collection.Specifically, since the first generator terminal current potential and the second generator terminal current potential are unequal, in the first generator terminal current potential and Reference potential is set between two generator terminal current potentials, the first generator terminal current potential and the second generator terminal current potential can be defeated after compared with reference potential The digital signal of high and low level out, that is, the signal collection for characterizing second communication information can be converted to more regular number and believed Number collection, these digital signal collection can be logically controlled device or controller and read.Compare as optional embodiment, first Device 21 can be existing general comparator, preferably Schmidt trigger, to reduce the burr of relatively rear output signal.

In general, electric current is relatively stable during the charging process for the equipment at charging equipment end, and therefore, charging equipment end The communication information can be characterized using electric current.To be adapted to parsing current potential output end C1 from the received electric signal in charging equipment end Communication when for current signal, referring to FIG. 9, the first current potential parsing module 2 can also include: I/V conversion circuit 22, I/V turns Change circuit 22 to connect with current potential output end C1, specifically, I/V conversion circuit 22 can be attempted by current potential output end C1 and benchmark electricity Position provides end, and in the present embodiment, I/V conversion circuit 22 is used to convert the received current signal of current potential output end C1 in voltage letter Number it is input to the input terminal of first comparator.

Referring to FIG. 9, in a particular embodiment, I/V conversion circuit 22 includes I/V translated resistance R1, I/V translated resistance R1 One end be connected with the input terminal 211 of current potential output end C1 and comparator, the other end and first comparator of I/V translated resistance R1 Reference edge 212 connect.

In a particular embodiment, the first controller 3 is connect with the first current potential parsing module 2, and the first controller 3 is according to first Generator terminal current potential and the second generator terminal electric potential signal collection obtain second communication information.In the present embodiment, the first controller 3 receives first It, can be according to the decoding rule being adapted with charging equipment end to the first machine after generator terminal current potential and the second generator terminal electric potential signal collection Terminal potential and the second generator terminal electric potential signal collection are parsed to obtain second communication information.

In an alternate embodiment of the invention, referring to FIG. 10, the disclosed telecommunication circuit that charges of the present embodiment further include: trigger module 4, trigger module 4 is connect with the first controller 3, and the first controller 3 generates first control signal under the triggering of trigger module 4. In a particular embodiment, trigger module 4 can be touch screen and/or physical button, be also possible to speech recognition module either Trapping module is acted, can also be any human-computer interaction that can be realized triggering control of the other existing or following generation certainly Module, certainly, in the specific implementation process, trigger module 4 can be one kind, be also possible to a variety of combinations.In a kind of implementation In example, one or more first control signal instructions, such as " inquiry electricity ", " bluetooth can be stored in advance in the first controller 3 Pairing ", " earphone is to ear " etc. then extract preset first control signal instruction by trigger module 4 to send and the first control The corresponding first control signal of signal instruction processed；In some scenes, can also be spaced at preset timed intervals to generate the first control letter Number, specifically, prefixed time interval can be equally spaced, be also possible to unequal interval.In another embodiment, may be used To generate first control signal instruction by trigger module 4, then the first controller 3 generates and first according to trigger module 4 Control the corresponding first control signal of signal instruction.

It should be noted that when trigger module 4 has the function of two-way interactive, such as display, presentation, audio broadcasting etc. are defeated Out when function, the control signal of trigger module 4 be can be from the first controller 3.

It should be noted that in the specific implementation process, the controller in the first controller 3 and charging equipment can be same It one, can also be independently arranged.

The present embodiment also discloses a kind of charging communication means, is suitable for charging equipment end, please refers to Figure 11, is this implementation A kind of charging communication means flow chart disclosed in example, the charging communication means include:

Step S111 generates first control signal according to first communication information.In a particular embodiment, the first controller 3 First control signal sequence, which is generated, according to first communication information is transferred to the first current potential switching module 1.In the present embodiment, alleged One control signal sequence is sequence of binary signals.In the specific implementation process, the first controller 3 is complete according to first communication information After being generated at first control signal sequence, then by first control signal sequence together serial transmission to the first current potential switching module 1； First controller 3 can also generate first control signal according to first communication information one by one and be transferred to the first current potential switching module 1, that is, it generates a control signal and just transmits.

Step S112, in response to first control signal sequence successively switching electric potential.In the present embodiment, the first current potential switches mould Block 1 successively switches between the first current potential and the second current potential in response to first control signal sequence.To by first The first current potential to be formed and the second electric potential signal collection are switched between current potential and the second current potential to express first control signal sequence Column, also that is, characterizing first communication information.

Step S113 transmits the first current potential and the second electric potential signal collection.In the present embodiment, the first current potential switching module 1 with The C1 connection of current potential output end, therefore, current potential output end C1 can receive the first current potential and the of the first current potential switching module 1 offer Two current potentials.So after current potential output end C1 is connected to charging equipment end the first current potential can be transmitted to charging equipment end With the second electric potential signal collection.In the present embodiment, at least one in the first current potential and the second current potential is charging potential, to wait fill Electric equipment provides power supply；Also, the first current potential and the second current potential are unequal, during providing power supply to charging equipment Information is transmitted to charging equipment.

The present embodiment also discloses a kind of electric potential switching circuit, for the telecommunication circuit that charges, please refers to Figure 12, is this implementation A kind of electric potential switching circuit structural schematic diagram disclosed in example, which includes: current potential switching module 1, in which:

Current potential switching module 1 is for switching the first current potential of output and the second current potential, and in a particular embodiment, current potential switches mould Can be with built-in controller in block 1, it can also be with external controller.The input terminal of current potential switching module 1 is for being connected to external charging The current potential of external charge power supply POWER+ is adjusted to the first current potential and the second current potential, i.e. current potential switching module 1 by power supply POWER+ Output end can export the first current potential, the second current potential can also be exported.In the present embodiment, the output end of current potential switching module 1 Switching the first current potential of output and the second current potential under the control of first control signal CNT1.In a particular embodiment, the first current potential With can have in the second current potential a current potential be external charge power supply POWER+ current potential.In the present embodiment, the first current potential and At least one in two current potentials is charging potential, and in the present embodiment, alleged charging potential is to refer to fill to charging equipment end The current potential of electricity.At least one in first current potential and the second current potential is charging potential, so that the current potential that current potential switching module 1 exports Power supply can be provided to charging equipment.In a particular embodiment, the first current potential and the second current potential are unequal, to be charged Information is transmitted to charging equipment end during equipment offer power supply.

It, can also be with it should be noted that alleged first control signal CNT1 can come from built-in controller in the present embodiment From peripheral control unit.In the present embodiment, alleged first control signal CNT1 can characterize first communication information, i.e., by default rule The digital signal of the low and high level formed after then encoding to first communication information, the set that these digital signals are constituted can Characterize first communication information.It will be apparent to a skilled person that the present embodiment is not intended to limit the tool of first communication information Hold in vivo.

In a particular embodiment, switching module 1 includes: voltage conversion unit 11, and the input terminal of voltage conversion unit 11 connects It is connected to the electrode of external charge power supply POWER+, voltage conversion unit 11 is used to convert the current potential of external charge power supply POWER+ For the first current potential.Certainly, in some embodiments, voltage conversion unit 11 can also be by the current potential of external charge power supply POWER+ It is converted into the first current potential and the second current potential.

As optional embodiment, voltage conversion unit 11 is boost in voltage unit.Second current potential is external charge power supply The current potential of POWER+, the first current potential are boost in voltage unit 11 to the current potential after charge power supply boosting.In one embodiment, it asks With reference to Figure 12, the first current potential and the second current potential are boost in voltage unit 11 to the current potential after charge power supply boosting, i.e. boost in voltage Unit 11 is pressed into two current potentials to the potential rise of charge power supply POWER+ and obtains the first current potential and the second current potential；Implement in another kind In example, Figure 13 is please referred to, the second current potential is the current potential of charge power supply POWER+.

As optional embodiment, voltage conversion unit 11 is voltage step-down unit.Please refer to Figure 12, voltage step-down unit For the current potential of charge power supply POWER+ to be depressurized to the first current potential and the second current potential.Certainly, similarly, voltage step-down unit can also The current potential of charge power supply POWER+ to be depressurized to the first current potential (or second current potential), the second current potential (or first current potential) multiplexing electricity Other current potentials for being different from the first current potential (or second current potential) in road.

As preferred embodiment, the equipment that the first current potential and the second current potential can satisfy charging equipment end is being communicated Current potential needed for process, so that the device battery at charging equipment end is insufficient or when without electricity, is also able to achieve through the first current potential It is communicated with the second current potential.

As optional embodiment, there is one in the first current potential and the second current potential to be grounded (GND) terminal potential.It needs to illustrate , when having one in the first current potential and the second current potential is ground connection (GND) terminal potential, another should be charging potential, and And in this embodiment, charging equipment end should have independent power supply or battery, to complete communication work.

In a particular embodiment, current potential switching module 1 carries out the first current potential and the second current potential according to first communication information Switching output.Specifically, Figure 15, electric potential switching circuit disclosed in the present embodiment are please referred to further include: controller 12, controller 12 For generating first control signal according to first communication information；Current potential switching module 1 is in response to first control signal in the first electricity Output is switched between position and the second current potential.Alleged controller can be logic control circuit, be also possible to single-chip microcontroller, DSP, CPU etc. has the processing unit of data-handling capacity.In a particular embodiment, electric potential switching circuit can also include electronic cutting It closes, electronic switch switches over conducting in response to first control signal between the first current potential and the second current potential, to switch output First current potential and the second current potential.

It should be noted that controller 12 can be built-in control unit, controller 12, voltage conversion unit 11 and electricity Sub switch is integrated in current potential switching module 1；Controller 12 is also possible to external controller, i.e., first control signal is from outer Set controller, controller 12 and voltage conversion unit 11, electronic switch individual packages.

In an alternate embodiment of the invention, Figure 16 is please referred to, which can also include: trigger module 4, trigger mode Block 4 is connect with controller, and controller generates first control signal according to first communication information under the triggering of trigger module 4.It needs Illustrate, trigger module 4 can be integrated to current potential switching module with controller 12, voltage conversion unit 11 and electronic switch In 1；Trigger module 4 can also be packaged independently of controller 12, voltage conversion unit 11, electronic switch.

In a particular embodiment, trigger module 4 can be touch screen and/or physical button, be also possible to speech recognition mould Block either acts trapping module, can also be that any of the other existing or following generation can be realized what triggering controlled certainly Human-computer interaction module, certainly, in the specific implementation process, trigger module 4 can be one kind, be also possible to a variety of combinations.? In a kind of embodiment, it can be stored in advance one or more first control signals instructions in controller 12, such as " inquiry electricity ", " Bluetooth pairing ", " earphone is to ear " etc., then, the instruction of preset first control signal is extracted by trigger module 4 come send with First control signal instructs corresponding first control signal；In some scenes, can also be spaced at preset timed intervals to generate first Signal is controlled, specifically, prefixed time interval can be equally spaced, be also possible to unequal interval.In another embodiment In, can also be generated by trigger module 4 first control signal instruction, then controller 12 generated according to trigger module 4 with First control signal instructs corresponding first control signal.

Electric potential switching circuit disclosed by the embodiments of the present invention for the telecommunication circuit that charges, electric potential switching circuit is for switching Exporting the first current potential and the second current potential, on the one hand, at least one in the first current potential and the second current potential is charging potential, therefore, It can be charged to the equipment at charging equipment end by the current potential that electric potential switching circuit exports；On the other hand, the first current potential It is unequal with the second current potential, therefore, during providing power supply to charging equipment, it can transmit and believe to charging equipment end Breath.It is switched over, can both be charged between the first current potential and the second current potential during the charging process by electric potential switching circuit Transmission communication again.Compared with the existing technology, in charging telecommunication circuit, it is only necessary to increase electric potential switching circuit, reduce hardware electricity Line structure complexity, circuit structure are simple, compact.Structure compared with the existing technology is simple, and increased component is few, so that this The stability and reliability for improving circuit structure compared with the existing technology of inventive embodiments.

Fig. 4-8 and Figure 10 are please referred to, the present embodiment also discloses a kind of charging equipment, which includes any of the above-described Disclosed charging telecommunication circuit.In the present embodiment, charging equipment can be mobile power source, be also possible to charging box.Specific real It applies in example, charging equipment can also include the first battery, electrode that is detachable or being fixedly attached to charge power supply POWER+, with logical The electrode of overcharge power supply provides rechargeable electrical energy.It should be noted that in some embodiments, charging equipment can also include outer Power interface is set, for receiving the external charging electric energy of external power supply offer, which can be for charging equipment work It uses, or the first battery of charging equipment charges, and can also provide rechargeable electrical energy for charge power supply POWER+.One In a little embodiments, when modules other in charging equipment also have controller, the telecommunication circuit that charges and other modules share control Device.

Figure 17 is please referred to, the present embodiment also discloses a kind of charging equipment, which includes any of the above-described disclosed Electric potential switching circuit.In the present embodiment, charging equipment can be mobile power source, be also possible to charging box.In a particular embodiment, Charging equipment can also include the first battery, electrode that is detachable or being fixedly attached to charge power supply POWER+, to pass through charging The electrode of power supply provides rechargeable electrical energy.It should be noted that in some embodiments, charging equipment can also include external power supply Interface, for receiving the external charging electric energy of external power supply offer, which can work for charging equipment and use, Or the first battery charging of charging equipment, rechargeable electrical energy can also be provided for charge power supply POWER+.In some implementations In example, when modules other in charging equipment also have controller, electric potential switching circuit and other module shared control units.

Figure 18 is please referred to, the present embodiment also discloses a kind of charging equipment, and in a particular embodiment, charging equipment can be Mobile power source is also possible to charging box.In the present embodiment, charging equipment includes: current potential output end C1, to be charged for being connected to Equipment；After current potential output end C1 and ground terminal C2 is connected to charging equipment, current potential output end C1 and ground terminal C2 with it is to be charged The equipment of equipment end is formed into a loop, and current potential output end C1 can provide power supply to charging equipment.Current potential output end C1 to During charging equipment provides power supply, at least partly the current potential of period current potential output end the first current potential and the second current potential it Between switch, at least one in the first current potential and the second current potential is charging potential to provide power supply to charging equipment；First electricity Position and the second current potential are unequal, to transmit information to charging equipment end during providing power supply to charging equipment.

It should be noted that in the specific implementation process, the first of the switching that current potential output end C1 is provided in charging equipment Current potential and the second current potential can provide module by current potential to realize, in a particular embodiment, current potential provides module can be by upper The scheme of any one embodiment in charging telecommunication circuit or electric potential switching circuit is stated to realize.In the present embodiment, current potential is provided The working power of module can be provided by charge power supply POWER+, can also be provided by the battery in charging equipment.It needs It is bright, in some embodiments, when charging equipment includes parsing module, it can also be received by current potential output end C1 external The electric signal of (such as charging equipment end) transmission then parses received external electric signal to obtain received communication letter Breath.Specifically, reference can be made to the description of above-described embodiment, details are not described herein.

Charging equipment disclosed in the present embodiment, multiplexing provide the current potential output end of power supply, and current potential output end is to be charged During equipment provides power supply, at least partly the current potential of period current potential output end is cut between the first current potential and the second current potential It changes, on the one hand, at least one in the first current potential and the second current potential is that charging potential therefore can be to charging equipment end Equipment charges；On the other hand, the first current potential and the second current potential are unequal, therefore, are providing power supply to charging equipment In the process, information can be transmitted to charging equipment end.I.e. by multiplexing provide the current potential output end of power supply in the first current potential and It is switched between second current potential, can power supply be not only provided but also transmitted communication during the charging process.Compared with the existing technology, exist In the case where not increasing signal output end, the single mode of operation for serially charging or communicating is needed, the scheme of the present embodiment is not In the case where increasing signal output end, parallel offer power supply and communication can be realized in the same period, also, relative to more touchings Point contact provides the scheme of power supply and communication, reduces hardware circuit complexity, circuit structure is simple, compact.Relative to The structure of the prior art is simple, and increased component is few, so that the charging equipment of the embodiment of the present invention mentions compared with the existing technology The high stability and reliability of circuit structure.

Embodiment 3

It is communicated to realize in charging process, present embodiment discloses a kind of charging telecommunication circuits, suitable for wait fill Electric equipment end, please refers to Figure 19, is a kind of charging telecommunication circuit structural schematic diagram disclosed in the present embodiment, and charging equipment is usual Comprising current potential receiving end C3 and common ground C4, common ground C4 is used for the charging equipment after it connect with charging equipment and to be charged sets For altogether.After current potential receiving end C3 and common ground C4 are connect with the power supply terminal of charging equipment respectively, charging equipment with fill Electric equipment forming circuit, charging equipment can receive the electricity that charging equipment provides by current potential receiving end C3 and common ground C4 Source.The disclosed charging telecommunication circuit of the present embodiment includes: current potential receiving end C3 and the second current potential parsing module 31, in which:

Current potential receiving end C3 after it connect with charging equipment for receiving the power supply of charging equipment transmission.The present embodiment In, the connection type being not intended to limit between current potential receiving end C3 and the feeder ear of charging equipment, as long as current potential receiving end C3 with fill After the feeder ear connection of electric equipment, current potential receiving end C3 can receive the power supply of charging equipment offer.Current potential receiving end C3 Received power supply can be input to the power supply pole (as shown in Figure 19 chain lines) at charging equipment end, supply to charging equipment end Electricity charges to the battery at charging equipment end.Certainly, in the specific implementation process, current potential receiving end C3 can also pass through Other components or module (such as charge control module) are connected to the power supply pole at charging equipment end.In the present embodiment, power supply At least partly the period is configured as the first current potential and the second electric potential signal collection, at least one in the first current potential and the second current potential is Charging potential, to provide working power for charging equipment.

Second current potential parsing module 31 is connect with current potential receiving end C3.In the present embodiment, the second current potential parsing module 31 is used Digital signal sequences are obtained in the first current potential of parsing and the second electric potential signal collection, the first current potential and the second current potential are unequal, with The information transmitted to charging equipment end.Specifically, since the first current potential and the second current potential are unequal, the first current potential and Two electric potential signal collection can characterize the communication information, in the present embodiment, by the second current potential parsing module 31 to the first current potential and Two electric potential signal collection obtain digital signal sequences after being parsed, which can characterize the transmission of charging equipment end Information.As an example, charging equipment end by its first communication information (, such as " inquiry electricity ", " accessory pairing ", " earphone pair Ear ", " charging equipment end electricity " etc.) by pre-arranged code rule to first communication information carry out coding form digital signal sequences, Then, digital signal sequences are characterized by the first current potential and the second electric potential signal collection, the second current potential parsing module 31 is to first After current potential and the second electric potential signal collection are parsed, the digital signal sequences of available charging equipment end transmission, also i.e., it is possible to Obtain first communication information of charging equipment end transmission.

The disclosed telecommunication circuit that charges of the present embodiment, the current potential receiving end of multiplexing reception power supply, received power supply at least portion It is configured as the first current potential and the second electric potential signal collection at times, on the one hand, at least one in the first current potential and the second current potential For charging potential therefore charge power supply can be provided for charging equipment；On the other hand, the first current potential and the second current potential not phase Deng, therefore, receive charging equipment provide power supply during, the second current potential parsing module can parse the first current potential and second electricity Position signal collection obtains digital signal sequences, then, the information of available charging equipment end transmission.That is, being connect by being multiplexed current potential Receiving end, and may be implemented not only to receive power supply by the second current potential parsing module but also transmit communication.Compared with the existing technology, do not increasing In the case where plus signal receiving end, needs serially to charge or the single mode of operation of communication, the scheme of the present embodiment are not increasing In the case where signal output end, parallel reception power supply and the communication information can be realized in the same period, also, relative to more touchings Point contact provides the scheme of power supply and communication, reduces hardware circuit complexity, circuit structure is simple, compact.Relative to The structure of the prior art is simple, and increased component is few, so that the charging telecommunication circuit of the embodiment of the present invention is relative to existing skill Art improves the stability and reliability of circuit structure.

In a particular embodiment, Figure 19 is please referred to, the second current potential parsing module 31 includes: the second comparator 311, input End is connected to current potential receiving end C3.In the present embodiment, the second comparator 311 is inputted received first current potential in end and the second electricity Position signal collection obtains digital signal sequences compared with reference voltage respectively.Specifically, due to the first current potential and the second current potential not phase Deng, therefore, set between the first current potential and the second current potential reference potential, the first current potential and the second current potential with reference potential ratio The digital signal of high and low level can be exported after relatively, that is, the signal collection for characterizing first communication information can be converted to and more be advised Whole digital signal collection, these digital signal collection can be logically controlled device or controller is read.Implement as optional Example, the second comparator 311 can be existing general comparator, preferably Schmidt trigger, to export after reduction The burr of signal.In the specific implementation process, the second comparator 311 can with one the first current potential of every reception or the second current potential just with Reference voltage is compared to obtain a digital signal.

In a particular embodiment, Figure 19 is please referred to, the second current potential parsing module 31 includes: reference voltage circuit 312, benchmark Potential circuit 312 is connected to the reference voltage terminal of the second comparator 311, and reference voltage circuit 312 is used for the second comparator 311 Reference voltage is provided.

As preferred embodiment, the equipment that the first current potential and the second current potential can satisfy charging equipment end is being communicated Operating potential needed for process.So that the equipment at charging equipment end also can be realized communication when without electric or not enough power supply.

In a particular embodiment, Figure 19 is please referred to, the charging telecommunication circuit further include: second controller 33, the second control Device 33 is connect with the output end of the second current potential parsing module 31, and second controller 33 according to digital signal sequences for being charged The information of equipment end transmission.In the present embodiment, second controller 33 can by with charging equipment end coding rule be adapted Decoding rule, to be decoded to obtain the information of charging equipment end transmission to digital signal sequences.

Figure 20 is please referred in an alternate embodiment of the invention in order to realize to charging equipment end transmission information, charging communication electricity Road further include: the second current potential switching module 32, the second current potential switching module 32 be connected to current potential receiving end C3 and common ground C4 it Between, the second current potential switching module 32 is additionally coupled to second controller 33.In the present embodiment, second controller 33 is also used to generate Two control signals；Second current potential switching module 32 is in response to second control signal by the current potential of current potential receiving end C3 in the first generator terminal It is switched between current potential and the second generator terminal current potential.In the present embodiment, alleged generator terminal current potential refers to the current potential of current potential receiving end C3, In a particular embodiment, the first generator terminal current potential and the second generator terminal current potential are unequal, to transmit information to charging equipment end.Specific In embodiment, second control signal can be provided by the controller of charging telecommunication circuit, can also be provided by external controller, when So, it can also be by input-output equipment (I/O equipment, such as physical button) and provide.

In one embodiment, the second current potential switching module 32 includes: variable resistance (not shown), and variable resistance connects It connects between current potential receiving end C3 and common ground C4；The resistance value of variable resistance is by the second control signal received in the first resistance value And second switch between resistance value, the first resistance value and the second resistance value are unequal.In the present embodiment, the first resistance value and the second resistance value not phase Deng so that showing that the current potential on the C3 of current potential receiving end can switch with the switching of the resistance value of variable resistance, then, so that electric Position receiving end C3 can form the first generator terminal current potential and the second generator terminal electric potential signal collection based on second control signal sequence, then table Levy second communication information.

In another embodiment, the second current potential switching module 32 includes: switching circuit, and switching circuit is connected to current potential and connects Between receiving end C3 and common ground C4；Switching circuit switched path shape between being switched on and off by the second control signal received State.In the present embodiment, switching circuit switched path state between being switched on and off by the second control signal received, so that Show that the current potential on the C3 of current potential receiving end can show as low potential and height with the switching of switching circuit being switched on and off The switching of current potential then enables current potential receiving end C3 to be based on second control signal sequence and forms the first generator terminal current potential and the Two generator terminal electric potential signal collection, then characterize second communication information.In a particular embodiment, switching circuit can pass through switching device It realizes, such as electronic switch, transistor etc..

Please refer to Figure 21, switching circuit disclosed in the present embodiment includes: resistance R2 and switching device S2, switching device S2 with Resistance R2 is sequentially connected in series between current potential receiving end C3 and common ground C4；Switching device S2 by second control signal switching open/ Off state.

In one embodiment, switching device S2 can be such as electronic switch, and electronic switch is by the second control received Signal processed switches on/off state.

In another embodiment, switching device is transistor, the first pole (such as source electrode) of transistor and the second pole (example Such as drain electrode) it is in series with a resistor between current potential receiving end C3 and common ground C4, the control electrode (such as grid) of transistor is by reception The second control signal switching on/off state arrived.It should be noted that being not intended to limit the class of transistor in the present embodiment Type can be NPN transistor, be also possible to PNP transistor；Transistor can be bipolar junction transistor, be also possible to field Effect transistor npn npn.As long as can be realized the transistor of switch state handoff functionality.

In the present embodiment, on/off state is switched by the second control signal received by switching device S2, so that Low potential and height can be shown as with the switching of switching device S2 being switched on and off by showing the current potential on receiving end C3 in place The switching of current potential then enables current potential receiving end C3 to be based on second control signal sequence and forms the first generator terminal current potential and the Two generator terminal electric potential signal collection, then characterize second communication information.

The present embodiment also discloses a kind of charging communication means, please refers to Figure 22, is a kind of charging disclosed in the present embodiment Communication means flow chart, the charging communication means include:

The power supply branch that current potential receiving end C3 transmits charging equipment gives the second current potential parsing module 31；Power supply is at least partly Period is configured as the first current potential and the second electric potential signal collection, at least one in the first current potential and the second current potential is charging electricity Position；

Step S211, parses the first current potential and the second electric potential signal collection obtains digital signal sequences.In the present embodiment, pass through Second current potential parsing module 31 parses the first current potential and the second electric potential signal collection obtains digital signal sequences, wherein the first current potential It is unequal with the second current potential.In a particular embodiment, the first current potential and the second current potential are transferred to current potential from charging equipment and connect The current potential of receiving end C3.

Digital signal sequences are transferred to second controller by step S212.In the present embodiment, the second current potential parsing module 31 After the parsing of second current potential parsing module 31 obtains digital signal sequences, digital signal sequences can be transferred to second controller 33。

Step S213 obtains the information of charging equipment end transmission according to digital signal sequences.Specifically, second controller 33 The information of charging equipment end transmission is obtained according to digital signal sequences.Specifically, referring to the description of above-described embodiment, herein no longer It repeats.

As optional embodiment, the disclosed communication means that charges of the present embodiment further include: second controller 33 is according to the Two communication informations generate second control signal sequence and are transferred to the second current potential switching module 32, second control signal sequence be two into Signal sequence processed；Second current potential switching module 32 is in response to second control signal sequence successively switching electric potential receiving end C3 and altogether Hold the channel status between C4；Current potential receiving end C3 is in response to channel status between the first generator terminal current potential and the second generator terminal current potential It switches over, the first generator terminal current potential and the second generator terminal current potential are unequal, to transmit information to charging equipment end.Specifically, each device The working principle of part or module executing method step may refer to above-described embodiment description as described in hardware circuit, herein no longer It repeats.

It should be noted that each device can be with individual packages, can also in the disclosed charging telecommunication circuit of above-described embodiment It integrates or is fully integrated with part.

The present embodiment also discloses a kind of accessory, and accessory can be that the intelligence such as earphone, children's wrist-watch, bracelet is wearable to be set It is standby, it can be the audio-visual accessory such as MP3, MP4 for another example, the Medical Consumption product etc. of external application have the accessory of data exchange capability for another example, It can also be and the matched other smart accessories for having data-handling capacity of intelligent terminal.It should be strongly noted that one A little application scenarios, such as charging box and wireless Bluetooth headsets, it is however generally that, charging box is charging equipment, wireless Bluetooth headsets be with Part；When charging box is charged by the charging unit of other larger capacitys, charging box can also be used as accessory, other larger capacitys Charging unit is then charging equipment.

Figure 23 is please referred to, is a kind of accessory structure schematic diagram disclosed in the present embodiment, in a particular embodiment, the present embodiment Disclosed accessory includes the disclosed charging telecommunication circuit for being suitable for charging equipment end of any of the above-described embodiment, which may be used also To include the second battery, detachably or it is fixedly attached to current potential receiving end C3, to receive power supply by current potential receiving end C3.When So, in some embodiments, which can also include other components, such as charge control module, bluetooth module etc., be limited to Length limitation, is no longer enumerated herein.

The present embodiment also discloses a kind of accessory, which includes above-mentioned suitable for any disclosed of charging equipment end Charge telecommunication circuit.Accessory can be the intelligent wearable device such as earphone, children's wrist-watch, bracelet, can be MP3, MP4 etc. for another example Audio-visual accessory, the Medical Consumption product etc. of external application have the accessory of data exchange capability for another example, can also be and match with intelligent terminal Other smart accessories for having data-handling capacity.Figure 24 is please referred to, is a kind of accessory structure principle disclosed in the present embodiment Figure, the accessory include: current potential receiving end C3 and common ground C4, are formed back for being connected to charging equipment end and charging equipment end Road, specifically, current potential receiving end C3 receive the power supply that charging equipment transmits after being used to be connected to charging equipment.Current potential receiving end C3 The received power supply at least partly period is configured as the first current potential and the second potential sequence.In first current potential and the second current potential at least There is one for charging potential, to charge；First current potential and the second current potential are unequal, in the power supply for receiving charging equipment transmission In the process, the first current potential and the second potential sequence are parsed, to obtain the information of charging equipment end transmission.It needs to illustrate It is, in application scenes, such as charging box and wireless Bluetooth headsets, it is however generally that, charging box is charging equipment, wireless blue tooth ear Machine is accessory；When charging box is charged by the charging unit of other larger capacitys, charging box can also be used as accessory, other bigger The charging unit of capacity is then charging equipment.

It should be noted that in the specific implementation process, the first current potential can be parsed by charging communication circuit module With the second potential sequence, the information of charging equipment end transmission is obtained.In a particular embodiment, charging communication circuit module can be by The scheme of any one embodiment is realized in above-mentioned charging telecommunication circuit.In the present embodiment, the work for the communication circuit module that charges Making power supply can be provided by the received power supply of current potential receiving end C3, can also be provided by the battery in accessory.Specifically, may be used Referring to the description of above-described embodiment, details are not described herein.Charging communication circuit module can be integrated, be also possible to independent envelope Dress.When modules other in accessory are also required to controller, charging communication circuit module can be with other module shared control units.

Accessory disclosed in the present embodiment, the current potential receiving end of multiplexing reception power supply, received power supply at least partly period quilt It is configured to the first current potential and the second electric potential signal collection, on the one hand, at least one in the first current potential and the second current potential is charging electricity Position, therefore, can provide charge power supply for charging equipment；On the other hand, the first current potential and the second current potential are unequal, therefore, During charging equipment offer power supply is provided, the first current potential and the second potential sequence can parse, then, available charging The information of equipment end transmission.That is, may be implemented not only to receive power supply but also parse the communication information by multiplexing current potential receiving end.Relatively In the prior art, in the case where not increasing signal receiving end, the single mode of operation for serially charging or communicating, this implementation are needed The scheme of example can realize parallel reception power supply and communication letter in the same period in the case where not increasing signal output end Breath.

The present embodiment also discloses a kind of intelligent terminal, please refers to Figure 25, is a kind of intelligent terminal disclosed in the present embodiment Schematic diagram, the intelligent terminal include accessory 200 disclosed in intelligent terminal the machine 100 and any of the above-described embodiment, accessory 200 and intelligence It can the 100 progress data interaction of terminal the machine.In a particular embodiment, intelligent terminal the machine 100 includes mobile phone the machine, tablet computer The machine, laptop the machine, computer the machine, MP3 the machine, MP4 the machine or PDA etc. have the smartbook of data-handling capacity Machine.Accessory and the data interactive mode of intelligent terminal the machine can be the communications such as bluetooth, WiFi.

The present embodiment also discloses a kind of charging communication system, comprising: any of the above-described embodiment is disclosed for be charged The disclosed charging telecommunication circuit for being used for charging equipment end of the charging telecommunication circuit and any of the above-described embodiment of equipment end, electricity Position output end C1 and current potential receiving end C3 is detachably connectable.Charging equipment end and charging equipment end by current potential output end C1 and Current potential receiving end C3 carries out information transmission.

The present embodiment also discloses a kind of charging communication system, comprising: any of the above-described embodiment is disclosed for be charged The electric potential switching circuit of equipment end and the disclosed charging telecommunication circuit for being used for charging equipment end of any of the above-described embodiment.? In specific embodiment, electric potential switching circuit and the charging telecommunication circuit for charging equipment end pass through current potential output end C1 and current potential Receiving end C3 carries out information transmission.

The present embodiment also discloses a kind of charging communication system, comprising: charging equipment disclosed in any of the above-described embodiment, with And accessory disclosed in any of the above-described embodiment.

Figure 26 is please referred to, the first current potential switching module responds when charging equipment needs to send first communication information to accessory The first control signal of first controller output is by the current potential of current potential output end C1 between the first current potential and the second electric potential signal Switching, such as V in Figure 26_C1Shown in curve；Accessory is after receiving the first current potential or the second current potential, respectively to the first current potential and second Current potential is parsed to obtain the digital signal collection for characterizing first communication information.

When accessory needs to send second communication information to charging equipment, the second current potential switching module responds second controller The electric current of the second control signal switching electric potential receiving end C3 to common ground C4 of output can be converted into current potential by resistance and receive The current potential switching of C3 is held, to obtain for characterizing second communication information, similarly, charging equipment is receiving second communication information It can parse to obtain the digital signal collection for characterizing second communication information afterwards.

In order to facilitate the understanding of those skilled in the art, it is retouched using charging box (charging equipment) and wireless headset (accessory) as example State, such as: wireless headset by current potential receiving end C3 to common ground C4 respectively with the current potential output end C1 and ground terminal of charging box C2 connection, the charge power supply that charging box provides can be transmitted to wireless headset by the terminal of connection, provide electricity to wireless headset Energy.During the charging process, charging box can by pre-arranged code rule encoding transmit first communication information (such as detection wireless headset Electricity)；Wireless headset by contact current potential receiving end C3 receive first communication information (such as detection wireless headset electricity Amount)；Then, wireless headset is according to the command detection wireless headset of first communication information (such as electricity of detection wireless headset) The electricity of battery, and it is (such as wireless by data of the pre-arranged code rule to characterization electricity to carry out second communication information of coding transmission The electricity of earphone)；Charging box receives second communication information (such as electricity of wireless headset) by the current potential output end C1 of contact, So as to complete the two-way communication process of inquiry electricity.Specific application scenarios can also be for example: be controlled by charging box Wireless headset pairing, wireless headset or so is to ear, wireless headset factory testing etc..Certainly, in some scenes, it is also possible to nothing Line earphone carries out some operations to control charging box.

It should be noted that foregoing exemplary description is only to facilitate those skilled in the art understand that technical solution, no It can be interpreted as the restriction to the present embodiment technical solution.

Figure 27 is please referred to, the present embodiment also discloses a kind of charging communication system, comprising: disclosed in any of the above-described embodiment Intelligent terminal disclosed in charging equipment 300 and any of the above-described embodiment, wherein intelligent terminal includes intelligent terminal the machine 100 With accessory 200 disclosed in any of the above-described embodiment.

In order to facilitate the understanding of those skilled in the art, with charging box (charging equipment 300), mobile terminal (intelligent terminal the machine 100) described with wireless headset (accessory 200) as example, wherein mobile terminal and wireless headset be it is matched, both sides can be with It realizes data interaction, such as data interaction is carried out by bluetooth, WiFi etc..

Wireless headset by current potential receiving end C3 to common ground C4 respectively with the current potential output end C1 and ground terminal of charging box C2 connection, the rechargeable electrical energy that charging box provides can be transmitted to wireless headset by the terminal of connection, provide electricity to wireless headset Energy.Wireless headset as needed can keep communication link connected state with mobile terminal, it is of course possible to be low-power consumption mode.It moves Dynamic terminal sends the instruction of " inquiry charging box electricity " to wireless headset, and wireless headset is believed according to the vector modulation at the second communication Breath is sent to charging box, and charging box then modulates the electricity data of charging box according to the second communications information query battery capacity It is sent to wireless headset at first communication information, the electricity data that first communication information of wireless headset parsing obtains charging box is concurrent Mobile terminal is given, certainly, first communication information directly can also be transmitted to mobile terminal by wireless headset, then, by moving Terminal parses to obtain the electricity data of charging box.

Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or It changes still within the protection scope of the invention.

Those skilled in the art can understand that above-mentioned each preferred embodiment can be free under the premise of not conflicting Ground combination, superposition.

It should be appreciated that above-mentioned embodiment is merely exemplary, and not restrictive, without departing from of the invention basic In the case where principle, those skilled in the art can be directed to the various apparent or equivalent modification or replace that above-mentioned details is made It changes, is all included in scope of the presently claimed invention.

Claims

1. a kind of charging telecommunication circuit characterized by comprising

Current potential receiving end (C3), for receiving the power supply of charging equipment transmission after it connect with charging equipment；The power supply is extremely The small part period is configured as the first current potential and the second electric potential signal collection, in first current potential and second current potential at least One is charging potential, to provide working power for the charging equipment；

Second current potential parsing module (31) is connect with the current potential receiving end (C3)；The second current potential parsing module (31) is used Digital signal sequences, first current potential and second current potential are obtained in parsing first current potential and the second electric potential signal collection It is unequal, to obtain the information of charging equipment end transmission.

2. charging telecommunication circuit as described in claim 1, which is characterized in that the second current potential parsing module (31) includes:

Second comparator, input terminal are connected to the current potential receiving end (C3)；Second comparator is inputted end and receives The first current potential and the second electric potential signal collection the digital signal sequences are obtained compared with reference voltage respectively.

3. charging telecommunication circuit as claimed in claim 2, which is characterized in that the second current potential parsing module (31) is also wrapped It includes:

Reference voltage circuit, is connected to the reference voltage terminal of second comparator, and the reference voltage circuit is used for described Second comparator provides reference voltage.

4. charging telecommunication circuit as claimed in any one of claims 1-3, which is characterized in that first current potential and described Two current potentials can satisfy equipment operating potential needed for communication process at the charging equipment end.

5. the charging telecommunication circuit as described in claim 1-4 any one, which is characterized in that further include:

Second controller (33) is connect with the output end of the second current potential parsing module (31), the second controller (33) The information of charging equipment end transmission is obtained for sequence according to the digital signal.

6. charging telecommunication circuit as claimed in claim 5, which is characterized in that further include:

Common ground (C4), for the charging equipment and the charging equipment to be altogether after it connect with charging equipment.

7. charging telecommunication circuit as claimed in claim 6, which is characterized in that further include:

Second current potential switching module (32), is connected between the current potential receiving end (C3) and the common ground (C4)；Described Two current potential switching modules (32) are additionally coupled to the second controller (33)；

The second controller (33) is also used to generate second control signal；The second current potential switching module (32) is in response to institute Second control signal is stated to carry out the current potential of the current potential receiving end (C3) between the first generator terminal current potential and the second generator terminal current potential Switching, the first generator terminal current potential and the second generator terminal current potential are unequal, to transmit information to the charging equipment end.

8. charging telecommunication circuit as claimed in claim 7, which is characterized in that the second current potential switching module (32) includes:

Variable resistance is connected between the current potential receiving end (C3) and the common ground (C4)；The resistance value of the variable resistance Switch between the first resistance value and the second resistance value by the second control signal received, first resistance value and second resistance value It is unequal.

9. charging telecommunication circuit as claimed in claim 7, which is characterized in that the second current potential switching module (32) includes:

Switching circuit is connected between the current potential receiving end (C3) and the common ground (C4)；The switching circuit is by reception To second control signal between being switched on and off switched path state.

10. charging telecommunication circuit as claimed in claim 9, which is characterized in that the switching circuit includes:

Resistance；

Switching device is sequentially connected in series between the current potential receiving end (C3) and the common ground (C4) with the resistance；It is described Switching device switches on/off state by the second control signal.

11. charging telecommunication circuit as claimed in claim 10, which is characterized in that the switching device is electronic switch, described Electronic switch switches on/off state by the second control signal.

12. charging telecommunication circuit as claimed in claim 10, which is characterized in that the switching device is transistor, the crystalline substance The first pole and the second pole of body pipe and the resistance are connected between the current potential receiving end (C3) and the common ground (C4), institute The control electrode for stating transistor switches on/off state by the second control signal received.

13. a kind of charging telecommunication circuit characterized by comprising the second comparator (311), reference voltage circuit (312) and Two controllers (33), in which:

The input terminal of second comparator (311) is used to be connected to the current potential receiving end (C3) of charging equipment, and described second The reference edge of comparator (311) is connected to the reference voltage circuit (312), and the output end of second comparator (311) connects It is connected to the second controller (33)；

The reference voltage circuit (312) is used to provide reference voltage to the reference edge of second comparator (311)；

The input terminal of second comparator (311) is for inputting received first current potential of the current potential receiving end (C3) and second Electric potential signal collection, first current potential and second current potential can satisfy the equipment at charging equipment end in communication process Required operating potential；Second comparator (311) is inputted received first current potential in end and the second electric potential signal collection point The output digit signals sequence not compared with the reference voltage；

The second controller (33) obtains the information of charging equipment end transmission for sequence according to the digital signal.

14. a kind of charging communication means characterized by comprising

The power supply branch that charging equipment is transmitted in current potential receiving end (C3) gives the second current potential parsing module (31)；The power supply is at least Partial period is configured as the first current potential and the second electric potential signal collection, at least one in first current potential and second current potential A is charging potential；

The second current potential parsing module (31) parses first current potential and the second electric potential signal collection obtains digital signal sequences； First current potential and second current potential are unequal；

The digital signal sequences are transferred to second controller (33) by the second current potential parsing module (31)；

Sequence obtains the information of charging equipment end transmission to the second controller (33) according to the digital signal.

15. charging communication means as claimed in claim 14, which is characterized in that further include:

The second controller (33) generates second control signal sequence according to second communication information and is transferred to the switching of the second current potential Module (32), second control signal sequence are sequence of binary signals；

The second current potential switching module (32) successively switches the current potential receiving end in response to the second control signal sequence (C3) channel status between the common ground (C4)；

The current potential receiving end (C3) carries out between the first generator terminal current potential and the second generator terminal current potential in response to the channel status Switching, the first generator terminal current potential and the second generator terminal current potential are unequal, to transmit information to the charging equipment end.

16. a kind of charging communication system characterized by comprising boost in voltage unit (11), electronic switch (S1), the first control Device (3) processed, current potential output end (C1), current potential receiving end (C3), the second comparator (311), reference voltage circuit (312) and second Controller (33), in which:

The current potential output end (C1) and current potential receiving end (C3) are detachably connectable；

The input terminal of the boost in voltage unit (11) is for being connected to charge power supply (POWER+)；The boost in voltage unit (11) for the current potential of the charge power supply to be boosted to the first current potential；The first input end of the electronic switch (S1) is connected to The output end of the boost in voltage unit (11), the second input terminal of the electronic switch (S1) is for being connected to charge power supply (POWER+), the output end of the electronic switch (S1) is connected to the current potential output end (C1)；

First controller (3) is for generating first control signal, and the first control signal is for characterizing first communication information；Institute Electronic switch (S1) is stated in response to the first control signal switched conductive that receives to first input end or the second input terminal, to cut Change output the first current potential and the second current potential, second current potential is the current potential of charge power supply (POWER+), first current potential and Current potential needed for second current potential meets the work of charging equipment end, first current potential and second current potential are unequal；

The input terminal of second comparator (311) is for being connected to the current potential receiving end (C3), second comparator (311) reference edge is connected to the reference voltage circuit (312), and the output end of second comparator (311) is connected to institute State second controller (33)；

The input terminal of second comparator (311) is for inputting received first current potential of the current potential receiving end (C3) and second Electric potential signal collection；Second comparator (311) be inputted received first current potential in end and the second electric potential signal collection respectively with The reference voltage compares output digit signals sequence；The second controller (33) obtains for sequence according to the digital signal To first communication information.

17. a kind of accessory characterized by comprising

Charging telecommunication circuit as described in claim 1-12 any one；Or charging communication electricity as claimed in claim 13 Road.

18. accessory as claimed in claim 17, which is characterized in that the accessory is wireless headset.

19. a kind of accessory characterized by comprising current potential receiving end (C3) is set for being connected to receive to charge after charging equipment The power supply of standby transmission；The power supply at least partly period is configured as the first current potential and the second potential sequence；First current potential It is charging potential at least one in second current potential, to charge；First current potential and second current potential are not It is equal, during receiving the power supply of charging equipment transmission, first current potential and the second potential sequence are parsed, to be charged The information of equipment end transmission.

20. a kind of intelligent terminal characterized by comprising

Intelligent terminal the machine；

Accessory or accessory as claimed in claim 19 as described in claim 17 or 18, with described intelligent terminal the machine Carry out data interaction.

21. a kind of charging communication system characterized by comprising

Charging telecommunication circuit as described in claim 1-12 any one；Or charging communication electricity as claimed in claim 13 Road；And

The charging telecommunication circuit at charging equipment end, the charging telecommunication circuit at the charging equipment end include current potential output end (C1)； The current potential output end (C1) and the current potential receiving end (C3) are detachably connectable, to carry out information transmission.

22. charging communication system as claimed in claim 21, which is characterized in that the charging telecommunication circuit at the charging equipment end Further include:

First current potential parsing module (2) is connect with the current potential output end (C1)；The first current potential parsing module is for parsing The current potential output end (C1) obtains the first generator terminal current potential and the second generator terminal electricity from the received electric signal in charging equipment end Position signal collection, the first generator terminal current potential are not equal to the second generator terminal current potential.

23. a kind of charging communication system characterized by comprising

Accessory or accessory as claimed in claim 19 as described in claim 17 or 18；And

Charging equipment, the accessory and the charging equipment are detachably connectable, to carry out information transmission.

24. a kind of charging communication system characterized by comprising

Charging equipment；

Intelligent terminal as claimed in claim 20；After the charging equipment is connected with the accessory, the intelligent terminal sheet Data interaction is carried out by the accessory between machine and the charging equipment.