CN109787373A - An interoperable wireless charging information receiving circuit - Google Patents
An interoperable wireless charging information receiving circuit Download PDFInfo
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- CN109787373A CN109787373A CN201910200986.XA CN201910200986A CN109787373A CN 109787373 A CN109787373 A CN 109787373A CN 201910200986 A CN201910200986 A CN 201910200986A CN 109787373 A CN109787373 A CN 109787373A
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- optocoupler
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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Abstract
A kind of interoperability wireless charging Information Receiving Circuits, belong to wireless charging technical field, and in order to solve in wireless charging near-field communication, additional communication lines circle occupied space is big, arrangement is difficult to and the problem of interoperability difference.Magnetic coupling resonance coil of the invention is connected with compensation network circuit；Compensation network circuit is connected with rectification circuit；Communication coil is connected with the centre tap of magnetic coupling resonance coil；Communication coil is connected with No.1 capacitor and No.1 diode simultaneously；No.1 diode is connected with No. two capacitors, resistance R1 and No. two diodes simultaneously；No.1 capacitor is connected with No. two capacitors and magnetic coupling resonance coil simultaneously；Resistance R1 is connected with light emitting diode in optocoupler；Phototriode is connected with the feeder ear of power supply VCC in optocoupler；No. two diodes are connected with light emitting diode, resistance R2 and telecommunication circuit in optocoupler simultaneously, and are grounded；Phototriode is connected with resistance R2 and telecommunication circuit simultaneously in optocoupler.Have the beneficial effect that saving volume, interoperability are good.
Description
Technical field
The invention belongs to wireless charging technical fields.
Background technique
In current electric car charging technique other than wireless charging, it is also necessary to be related to the need of the wireless communication on former secondary side
It asks.Currently in order to solve this demand, the patent that China Patent Publication No. is CN103646468B uses dedicated communication module,
It can be realized wireless communication, since wireless communication has wide area property, physical link can not be established, do not embody wireless charging
Spatial position corresponding relationship between electricity；In addition, the patent that China Patent Publication No. is CN103036283B uses interpole coil
Mode, by by communication coil be fixed on charging transmitting coil and charge receiving coil inner ring or outer ring, and then establish
The near-field communication based on magnetic field is played, since the distance of near-field communication is limited, it is achieved that information and the corresponding of spatial position are closed
System；But the mode of interpole coil that China Patent Publication No. is proposed by the patent of CN103036283B, it has the disadvantages that
First is that occupying extra space；Conflict second is that arrangement is upper with charging transmitting coil or receiving coil generation position, it is some special
The coil and magnetic core of structure are difficult to arrange down additional communication coil；Third is that communication coil is mutually arranged difference, configurations are not
Conducive to the realization of interoperability.
Summary of the invention
The purpose of the present invention is to solve in wireless charging near-field communication, additional communication lines circle occupied space is big, cloth
It sets and is difficult to and the problem of interoperability difference, propose a kind of interoperability wireless charging Information Receiving Circuits.
A kind of interoperability wireless charging Information Receiving Circuits of the present invention, which includes magnetic coupling resonance line
Circle, compensation network circuit and rectification circuit；
The top and bottom of the magnetic coupling resonance coil are connected with two input terminals of compensation network circuit respectively, and
And the lower end ground connection of magnetic coupling resonance coil；
Two output ends of the compensation network circuit are respectively connected with two input terminals of rectification circuit respectively；
The reception circuit further includes optocoupler, telecommunication circuit, communication coil L, No.1 diode D1, No. two diode D2, one
Number capacitor C1, No. two capacitor C2, resistance R1, resistance R2 and power supply VCC；
The magnetic coupling resonance coil is equipped with centre tap；
One end of the communication coil L is connected with the centre tap of magnetic coupling resonance coil；The other end of communication coil L is same
When be connected with the anode of one end of No.1 capacitor C1 and No.1 diode D1；The cathode of No.1 diode D1 simultaneously with No. two electricity
The cathode for holding one end of C2, one end of resistance R1 and No. two diode D2 is connected；The other end of No.1 capacitor C1 is simultaneously with two
The other end of number capacitor C2 and the lower end of magnetic coupling resonance coil are connected；
The other end of the resistance R1 is connected with the anode of light emitting diode in optocoupler；
The collector of phototriode is connected with the feeder ear of power supply VCC in the optocoupler；
The anode of No. two diode D2 simultaneously with the cathode of light emitting diode in optocoupler, one end of resistance R2 and logical
Believe that an input terminal of circuit is connected, and is grounded；
In the optocoupler emitter of phototriode simultaneously with another of the other end of resistance R2 and telecommunication circuit
Input terminal is connected.
The operation principle of the present invention is that: the energy transmission frequency that entire magnetic coupling resonance coil and compensation network circuit are constituted
For f1；Part magnetic coupling resonance coil between magnetic coupling resonance coil centre tap and magnetic coupling resonance coil lower end and
The resonance frequency that communication coil L, No.1 capacitor C1 form resonance circuit is f2；
In communication process, the frequency that outside generates is f2Magnetic field pass through magnetic coupling resonance coil centre tap and magnetic coupling
The part magnetic coupling resonance coil and communication coil L, No.1 capacitor C1 closed between resonance coil lower end forms resonance circuit；It should
Resonance circuit exports high level, which limits by resistance R1 after No.1 diode D1 and No. two capacitor C2 rectifications
Optocoupler is driven after stream, forms high potential at the both ends resistance R2, which generates signal of communication to telecommunication circuit；In communication process
Afterwards, external field frequency is f1；Due to f2Not equal to f1, i.e. external magnetic field frequency shift, therefore, No. two both ends capacitor C2
Voltage is smaller, to not influence the work of compensation network circuit.
The beneficial effects of the invention are as follows due to adding centre tap on magnetic coupling resonance coil, it is wireless individually building is not had to
Communication coil saves volume；Also, pass through the portion between magnetic coupling resonance coil centre tap and magnetic coupling resonance coil lower end
Magnetic coupling resonance coil and communication coil L, No.1 capacitor C1 is divided to constitute resonance circuit, it is easier to configure resonance frequency, be convenient for
It is applied in different coils；It by adjusting tapped position, can adapt to various forms of coils, there is good mutual behaviour
The property made.
Detailed description of the invention
Fig. 1 is a kind of circuit diagram of interoperability wireless charging Information Receiving Circuits described in specific embodiment one.
Specific embodiment
Specific embodiment 1: illustrating present embodiment, a kind of interoperability described in present embodiment in conjunction with Fig. 1 and Fig. 2
Wireless charging Information Receiving Circuits, the reception circuit include magnetic coupling resonance coil 1, compensation network circuit 2 and rectification circuit 3；
The top and bottom of the magnetic coupling resonance coil 1 are connected with two input terminals of compensation network circuit 2 respectively, and
And the lower end ground connection of magnetic coupling resonance coil 1；
Two output ends of the compensation network circuit 2 are respectively connected with two input terminals of rectification circuit 3 respectively；Rectification
Circuit 3 with other power circuits for being connected；
The reception circuit further include optocoupler 4, telecommunication circuit 5, communication coil L, No.1 diode D1, No. two diode D2,
No.1 capacitor C1, No. two capacitor C2, resistance R1, resistance R2 and power supply VCC；
The magnetic coupling resonance coil 1 is equipped with centre tap；The upper end of magnetic coupling resonance coil 1 is arranged in the centre tap
Between lower end；
One end of the communication coil L is connected with the centre tap of magnetic coupling resonance coil 1；The other end of communication coil L
It is connected simultaneously with the anode of one end of No.1 capacitor C1 and No.1 diode D1；The cathode of No.1 diode D1 simultaneously with No. two
The cathode of one end of capacitor C2, one end of resistance R1 and No. two diode D2 is connected；The other end of No.1 capacitor C1 simultaneously with
The other end of No. two capacitor C2 and the lower end of magnetic coupling resonance coil 1 are connected；No.1 diode D1 and No. two capacitor C2 are used
In for rectifying, the AC rectification on No.1 capacitor C1 is direct current by No.1 diode D1, is stored in No. two capacitor C2；
The other end of the resistance R1 is connected with the anode of light emitting diode in optocoupler 4；
The collector of phototriode is connected with the feeder ear of power supply VCC in the optocoupler 4；
The anode of No. two diode D2 simultaneously with the cathode of light emitting diode in optocoupler 4, one end of resistance R2 and
One input terminal of telecommunication circuit 5 is connected, and is grounded；
The emitter of phototriode is another with the other end of resistance R2 and telecommunication circuit 5 simultaneously in the optocoupler 4
A input terminal is connected.
In the present embodiment, the energy transmission frequency that entire magnetic coupling resonance coil 1 is constituted with compensation network circuit 2 is
f1；Part magnetic coupling resonance coil 1 between 1 lower end of 1 centre tap of magnetic coupling resonance coil and magnetic coupling resonance coil and
The resonance frequency that communication coil L, No.1 capacitor C1 form resonance circuit is f2；
In communication process, the frequency that outside generates is f2Magnetic field pass through 1 centre tap of magnetic coupling resonance coil and magnetic
Part magnetic coupling resonance coil 1 and communication coil L, No.1 capacitor C1 between 1 lower end of coupled resonance coil form resonance electricity
Road；The resonance circuit exports high level, which passes through resistance after No.1 diode D1 and No. two capacitor C2 rectifications
Optocoupler is driven after R1 current limliting, forms high potential at the both ends resistance R2, which generates signal of communication to telecommunication circuit 5；Logical
After letter process, external field frequency is f1；Due to f2Not equal to f1, i.e. external magnetic field frequency shift, therefore, No. two capacitor C2
The voltage at both ends is smaller, to not influence the work of compensation network circuit 2.
The resistance R1 is current-limiting resistance；The resistance R2 is pull down resistor.
In the present embodiment, the optocoupler 4 is linear optical coupling.
Claims (3)
1. a kind of interoperability wireless charging Information Receiving Circuits, which includes magnetic coupling resonance coil (1), compensation network
Circuit (2) and rectification circuit (3)；
The top and bottom of the magnetic coupling resonance coil (1) are connected with two input terminals of compensation network circuit (2) respectively, and
And the lower end ground connection of magnetic coupling resonance coil (1)；
Two output ends of the compensation network circuit (2) are respectively connected with two input terminals of rectification circuit (3) respectively；
It is characterized in that, the reception circuit further includes optocoupler (4), telecommunication circuit (5), communication coil L, No.1 diode D1, two
Number diode D2, No.1 capacitor C1, No. two capacitor C2, resistance R1, resistance R2 and power supply VCC；
The magnetic coupling resonance coil (1) is equipped with centre tap；
One end of the communication coil L is connected with the centre tap of magnetic coupling resonance coil (1)；The other end of communication coil L is same
When be connected with the anode of one end of No.1 capacitor C1 and No.1 diode D1；The cathode of No.1 diode D1 simultaneously with No. two electricity
The cathode for holding one end of C2, one end of resistance R1 and No. two diode D2 is connected；The other end of No.1 capacitor C1 is simultaneously with two
The other end of number capacitor C2 and the lower end of magnetic coupling resonance coil (1) are connected；
The other end of the resistance R1 is connected with the anode of light emitting diode in optocoupler (4)；
The collector of phototriode is connected with the feeder ear of power supply VCC in the optocoupler (4)；
The anode of No. two diode D2 simultaneously with the cathode of light emitting diode in optocoupler (4), one end of resistance R2 and logical
Believe that an input terminal of circuit (5) is connected, and is grounded；
The emitter of phototriode is another with the other end and telecommunication circuit (5) of resistance R2 simultaneously in the optocoupler (4)
A input terminal is connected.
2. a kind of interoperability wireless charging Information Receiving Circuits according to claim 1, which is characterized in that the resistance R1
For current-limiting resistance；The resistance R2 is pull down resistor.
3. a kind of interoperability wireless charging Information Receiving Circuits according to claim 1, which is characterized in that the optocoupler
It (4) is linear optical coupling.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910200986.XA CN109787373B (en) | 2019-03-15 | 2019-03-15 | An interoperable wireless charging information receiving circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910200986.XA CN109787373B (en) | 2019-03-15 | 2019-03-15 | An interoperable wireless charging information receiving circuit |
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| CN109787373A true CN109787373A (en) | 2019-05-21 |
| CN109787373B CN109787373B (en) | 2022-08-12 |
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| CN201910200986.XA Active CN109787373B (en) | 2019-03-15 | 2019-03-15 | An interoperable wireless charging information receiving circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021123001A1 (en) | 2021-09-06 | 2023-03-09 | Infineon Technologies Ag | ELECTRONIC COMMUNICATION DEVICE |
| CN119378331A (en) * | 2024-12-27 | 2025-01-28 | 西北工业大学 | A magnetic coupling communication circuit design method |
Citations (6)
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|---|---|---|---|---|
| CN103036283A (en) * | 2012-12-06 | 2013-04-10 | 捷普科技（上海）有限公司 | Interval wireless charging communication device and interval wireless charging communication method |
| CN104578453A (en) * | 2015-01-13 | 2015-04-29 | 华南理工大学 | Magnetic coupling resonance wireless power transmission device achieving self-optimization of frequency and dynamic tuning |
| CN107069990A (en) * | 2017-03-27 | 2017-08-18 | 华北电力大学（保定） | A kind of two-band magnet coupled resonant type wireless electric energy and signal synchronous transmission system |
| CN107171450A (en) * | 2017-06-16 | 2017-09-15 | 江苏嘉钰新能源技术有限公司 | A kind of electromagnetic coupled formula wireless charging system |
| WO2018129961A1 (en) * | 2017-01-13 | 2018-07-19 | 上海蔚来汽车有限公司 | Magnetic coupling resonant power emission end having multiple resonant circuits connected in parallel, receiving end, and system |
| CN109038855A (en) * | 2018-08-07 | 2018-12-18 | 吉林大学 | Based on magnetic coupling resonance formula wireless charging system for electric automobile |
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2019
- 2019-03-15 CN CN201910200986.XA patent/CN109787373B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103036283A (en) * | 2012-12-06 | 2013-04-10 | 捷普科技（上海）有限公司 | Interval wireless charging communication device and interval wireless charging communication method |
| CN104578453A (en) * | 2015-01-13 | 2015-04-29 | 华南理工大学 | Magnetic coupling resonance wireless power transmission device achieving self-optimization of frequency and dynamic tuning |
| WO2018129961A1 (en) * | 2017-01-13 | 2018-07-19 | 上海蔚来汽车有限公司 | Magnetic coupling resonant power emission end having multiple resonant circuits connected in parallel, receiving end, and system |
| CN107069990A (en) * | 2017-03-27 | 2017-08-18 | 华北电力大学（保定） | A kind of two-band magnet coupled resonant type wireless electric energy and signal synchronous transmission system |
| CN107171450A (en) * | 2017-06-16 | 2017-09-15 | 江苏嘉钰新能源技术有限公司 | A kind of electromagnetic coupled formula wireless charging system |
| CN109038855A (en) * | 2018-08-07 | 2018-12-18 | 吉林大学 | Based on magnetic coupling resonance formula wireless charging system for electric automobile |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021123001A1 (en) | 2021-09-06 | 2023-03-09 | Infineon Technologies Ag | ELECTRONIC COMMUNICATION DEVICE |
| CN119378331A (en) * | 2024-12-27 | 2025-01-28 | 西北工业大学 | A magnetic coupling communication circuit design method |
| CN119378331B (en) * | 2024-12-27 | 2025-04-08 | 西北工业大学 | Design method of magnetic coupling communication circuit |
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