CN207039305U - A kind of electromagnetic coupled formula wireless charging system - Google Patents

A kind of electromagnetic coupled formula wireless charging system Download PDF

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Publication number
CN207039305U
CN207039305U CN201720710025.XU CN201720710025U CN207039305U CN 207039305 U CN207039305 U CN 207039305U CN 201720710025 U CN201720710025 U CN 201720710025U CN 207039305 U CN207039305 U CN 207039305U
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China
Prior art keywords
electric energy
output end
module
receiving terminal
resonant network
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Expired - Fee Related
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CN201720710025.XU
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Chinese (zh)
Inventor
管智岑
何友国
周荆
王永盛
屈江
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JIANGSU JIAYU NEW POWER TECHNOLOGY Co Ltd
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JIANGSU JIAYU NEW POWER TECHNOLOGY Co Ltd
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Priority to CN201720710025.XU priority Critical patent/CN207039305U/en
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Publication of CN207039305U publication Critical patent/CN207039305U/en
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Abstract

The utility model discloses a kind of electromagnetic coupled formula wireless charging system, including electric energy transmitting terminal and electric energy receiving terminal, the electric energy transmitting terminal is made up of AC DC rectification filtering modules, DC DC conversion modules, high-frequency inversion module, resonant network, detection circuit and controller, and high-frequency inversion module passes through resonant network and electric energy receiving terminal wireless connection;The electric energy receiving terminal is made up of AC DC conversion modules, detection module, control module, signal of communication modulation circuit and electrical equipment;Control circuit in electric energy transmitting terminal and electric energy receiving terminal is of coupled connections by former secondary coil, in electric energy transmitting terminal by the way of full bridge inverter and resonant network SS are combined, its electric energy tranmitting frequency size will not change with the change of load, the stability for the power supply output being effectively ensured, efficiency of transmission is high, the charge efficiency of charging equipment is improved, saves energy consumption.

Description

A kind of electromagnetic coupled formula wireless charging system
Technical field
Wireless charging device technical field is the utility model is related to, specially a kind of electromagnetic coupled formula wireless charging system.
Background technology
With the development of charging technique, it is convenient that user terminal (such as mobile phone, tablet personal computer) is charged for raising Property, wireless charging technology is arisen at the historic moment.In existing wireless charging technology, wireless charging device can launch radio to surrounding Magnetic wave energy, the user terminal in radio magnetic wave orientation are filled by receiving radio magnetic wave and being converted to electric energy Electricity.But in practice, it has been found that there is the problem of waste of energy in wireless charging device, in charging process moreover, tradition charging Circuit is relatively low in the energy utilization rate of electric energy transmitting terminal, easily causes my problems such as electric energy leakage.
Utility model content
The purpose of this utility model is to provide a kind of electromagnetic coupled formula wireless charging system, passes through electric energy transmitting terminal and electricity The mode of energy receiving terminal manifold type connection, in the side that electric energy transmitting terminal is combined using full bridge inverter and resonant network SS Formula, the charge efficiency of charging equipment is improved, energy consumption is saved, to solve the problems, such as to be previously mentioned in above-mentioned background technology.
To achieve the above object, the utility model provides following technical scheme:A kind of electromagnetic coupled formula wireless charging system, Including electric energy transmitting terminal and electric energy receiving terminal, the electric energy transmitting terminal is by AC-DC rectification filtering modules, DC-DC conversion modules, height Frequency inversion module, resonant network, detection circuit and controller composition;The output end and DC-DC of the AC-DC rectification filtering modules The input of conversion module is electrically connected with, and the output end of DC-DC conversion modules is connected in high-frequency inversion module;The DC-DC Conversion module connects with high-frequency inversion module and detection circuit is parallel with circuit, and the output end for detecting circuit is electrically connected at control On device, the output end of controller is connected in parallel on DC-DC conversion modules;The output end of the high-frequency inversion module and resonant network electricity Property connection, be parallel with detection circuit on resonant network, the output end for detecting circuit is connected in parallel on high-frequency inversion module by controller On;The high-frequency inversion module passes through resonant network and electric energy receiving terminal wireless connection;The electric energy receiving terminal is converted by AC-DC Module, detection module, control module, signal of communication modulation circuit and electrical equipment composition;The input of the AC-DC conversion modules End is in series with resonant network, and output end is parallel with electrical equipment and detection module;The output end of the detection module is connected to control On molding block, output end and the signal of communication modulation circuit of control module are electrically connected with.
Preferably, the resonant network is made up of a coupling inductance Ls and a compensating electric capacity Cs.
Preferably, the control circuit in the electric energy transmitting terminal and electric energy receiving terminal is of coupled connections by former secondary coil, Lp, Ls, Rp and Rs in control circuit are respectively former secondary coil equivalent inductance and equivalent resistance, and Cp, Cs are former secondary coil Compensating electric capacity, Q1, Q2, Q3, Q4 are four switching tubes, and the full-bridge inverting in high-frequency inversion module is formed using series-parallel mode Circuit, and two groups of Q1, Q4 and Q2, Q3 switching tube complementary cycle conductings, it is also right respectively on tetra- switching tubes of Q1, Q2, Q3 and Q4 Fly-wheel diode VD1, VD2, VD3 and VD4 should be parallel with.
Preferably, the electric energy transmitting terminal is integrated on charging circuit board, and electric energy receiving terminal is integrated in electrical equipment.
Compared with prior art, the beneficial effects of the utility model are as follows:
Electromagnetic coupled formula wireless charging system of the present utility model, connected by electric energy transmitting terminal and electric energy receiving terminal manifold type The mode connect, in electric energy transmitting terminal by the way of full bridge inverter and resonant network SS are combined, its electric energy tranmitting frequency Size will not change with the change of load, and the stability for the power supply output being effectively ensured, efficiency of transmission is high, improves charging and sets Standby charge efficiency, save energy consumption.
Brief description of the drawings
Fig. 1 is the utility model entire block diagram;
Fig. 2 is the utility model block diagram circuit theory diagrams;
Fig. 3 is the utility model electric energy transmitting terminal block diagram;
Fig. 4 is the utility model electric energy receiving terminal block diagram.
In figure:1 electric energy transmitting terminal, 11AC-DC rectification filtering modules, 12DC-DC conversion modules, 13 high-frequency inversion modules, 14 resonant networks, 15 detection circuits, 16 controllers, 2 electric energy receiving terminals, 21AC-DC conversion modules, 22 detection modules, 23 controls Module, 24 signal of communication modulation circuits, 25 electrical equipments.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-4, a kind of electromagnetic coupled formula wireless charging system, including electric energy transmitting terminal 1 and electric energy receiving terminal 2 are referred to, Electric energy transmitting terminal 1 is by AC-DC rectification filtering modules 11, DC-DC conversion modules 12, high-frequency inversion module 13, resonant network 14, inspection Slowdown monitoring circuit 15 and controller 16 form;The output end of AC-DC rectification filtering modules 11 and the input electricity of DC-DC conversion modules 12 Property connection, the output end of DC-DC conversion modules 12 is connected in high-frequency inversion module 13;DC-DC conversion modules 12 and high frequency are inverse Become on the connection circuit of module 13 and be parallel with detection circuit 15, the output end of detection circuit 15 is electrically connected on controller 16, controlled The output end of device 16 processed is connected in parallel on DC-DC conversion modules 12;The output end of high-frequency inversion module 13 and resonant network 14 are electrical Connection, resonant network 14 are made up of a coupling inductance Ls and a compensating electric capacity Cs, and detection electricity is parallel with resonant network 14 Road 15, the output end of detection circuit 15 are connected in parallel in high-frequency inversion module 13 by controller 16;High-frequency inversion module 13 passes through Resonant network 14 and the wireless connection of electric energy receiving terminal 2;Electric energy receiving terminal 2 is by AC-DC conversion modules 21, detection module 22, control Module 23, signal of communication modulation circuit 24 and electrical equipment 25 form;The input of AC-DC conversion modules 21 is in series with Resonance Neural Network Network 14, output end are parallel with electrical equipment 25 and detection module 22;The output end of detection module 22 is connected in control module 23, The output end of control module 23 is electrically connected with signal of communication modulation circuit 24.
Electric energy transmitting terminal 1 is integrated on charging circuit board, and electric energy receiving terminal 2 is integrated in electrical equipment 25, electric energy transmitting Control circuit in end 1 and electric energy receiving terminal 2 is of coupled connections by former secondary coil, Lp, Ls, Rp and Rs in control circuit points Not Wei former secondary coil equivalent inductance and equivalent resistance, Cp, Cs are former secondary coil compensating electric capacity, and Q1, Q2, Q3, Q4 are four Switching tube, the full bridge inverter in high-frequency inversion module 13, and Q1, Q4 and Q2, two groups of Q3 are formed using series-parallel mode Switching tube complementary cycle turn on, on tetra- switching tubes of Q1, Q2, Q3 and Q4 also respectively correspond to be parallel with fly-wheel diode VD1, VD2, VD3 and VD4, fly-wheel diode VD1, VD2, VD3 and VD4 provide current channel for Q1, Q2, Q3, Q4 for four switching tubes, Playing makes load current continuously act on.
In summary:This electromagnetic coupled formula wireless charging system, pass through electric energy transmitting terminal 1 and the manifold type of electric energy receiving terminal 2 The mode of connection, in electric energy transmitting terminal 1 by the way of full bridge inverter and resonant network 14SS are combined, the transmitting of its electric energy Frequency size will not change with the change of load, and the stability for the power supply output being effectively ensured, efficiency of transmission is high, and raising is filled The charge efficiency of electric equipment, save energy consumption.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (4)

1. a kind of electromagnetic coupled formula wireless charging system, including electric energy transmitting terminal (1) and electric energy receiving terminal (2), it is characterised in that: The electric energy transmitting terminal (1) by AC-DC rectification filtering modules (11), DC-DC conversion modules (12), high-frequency inversion module (13), Resonant network (14), detection circuit (15) and controller (16) composition;The output end of the AC-DC rectification filtering modules (11) with The input of DC-DC conversion modules (12) is electrically connected with, and the output end of DC-DC conversion modules (12) is connected to high-frequency inversion module (13) on;Detection circuit (15), inspection are parallel with the DC-DC conversion modules (12) and high-frequency inversion module (13) connection circuit The output end of slowdown monitoring circuit (15) is electrically connected on controller (16), and the output end of controller (16) is connected in parallel on DC-DC and becomes mold changing On block (12);The output end of the high-frequency inversion module (13) is electrically connected with resonant network (14), on resonant network (14) simultaneously Detection circuit (15) is associated with, the output end of detection circuit (15) is connected in parallel in high-frequency inversion module (13) by controller (16); The high-frequency inversion module (13) passes through resonant network (14) and electric energy receiving terminal (2) wireless connection;The electric energy receiving terminal (2) By AC-DC conversion modules (21), detection module (22), control module (23), signal of communication modulation circuit (24) and electrical equipment (25) form;The input of the AC-DC conversion modules (21) is in series with resonant network (14), and output end is parallel with electrical equipment And detection module (22) (25);The output end of the detection module (22) is connected in control module (23), control module (23) Output end and signal of communication modulation circuit (24) be electrically connected with.
A kind of 2. electromagnetic coupled formula wireless charging system according to claim 1, it is characterised in that:The resonant network (14) it is made up of a coupling inductance Ls and a compensating electric capacity Cs.
A kind of 3. electromagnetic coupled formula wireless charging system according to claim 1, it is characterised in that:The electric energy transmitting terminal (1) it is of coupled connections with the control circuit in electric energy receiving terminal (2) by former secondary coil, Lp, Ls, Rp and Rs in control circuit Respectively former secondary coil equivalent inductance and equivalent resistance, Cp, Cs are former secondary coil compensating electric capacity, Q1, Q2, Q3, Q4 tetra- Individual switching tube, the full bridge inverter in high-frequency inversion module (13), and Q1, Q4 and Q2, Q3 are formed using series-parallel mode Two groups of switching tube complementary cycle conductings, also correspond to and are parallel with fly-wheel diode respectively on tetra- switching tubes of Q1, Q2, Q3 and Q4 VD1, VD2, VD3 and VD4.
A kind of 4. electromagnetic coupled formula wireless charging system according to claim 1, it is characterised in that:The electric energy transmitting terminal (1) it is integrated on charging circuit board, electric energy receiving terminal (2) is integrated in electrical equipment (25).
CN201720710025.XU 2017-06-16 2017-06-16 A kind of electromagnetic coupled formula wireless charging system Expired - Fee Related CN207039305U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720710025.XU CN207039305U (en) 2017-06-16 2017-06-16 A kind of electromagnetic coupled formula wireless charging system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720710025.XU CN207039305U (en) 2017-06-16 2017-06-16 A kind of electromagnetic coupled formula wireless charging system

Publications (1)

Publication Number Publication Date
CN207039305U true CN207039305U (en) 2018-02-23

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN108521153A (en) * 2018-05-02 2018-09-11 深圳锐源微电子科技有限公司 Wireless charging radiating circuit and wireless charging device
CN110224505A (en) * 2019-06-05 2019-09-10 云南电网有限责任公司丽江供电局 Wireless energy transfer system based on distributed node layout

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN108521153A (en) * 2018-05-02 2018-09-11 深圳锐源微电子科技有限公司 Wireless charging radiating circuit and wireless charging device
CN110224505A (en) * 2019-06-05 2019-09-10 云南电网有限责任公司丽江供电局 Wireless energy transfer system based on distributed node layout

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180223

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CF01 Termination of patent right due to non-payment of annual fee