CN206283299U - A kind of wireless electric energy transmission device - Google Patents
A kind of wireless electric energy transmission device Download PDFInfo
- Publication number
- CN206283299U CN206283299U CN201621386746.1U CN201621386746U CN206283299U CN 206283299 U CN206283299 U CN 206283299U CN 201621386746 U CN201621386746 U CN 201621386746U CN 206283299 U CN206283299 U CN 206283299U
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- diode
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- switching tube
- electric energy
- energy transmission
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Abstract
The utility model discloses a kind of wireless electric energy transmission device, system includes PWM wave generation circuits, full bridge inverter, resonance circuit, the part of AC DC change-over circuits four.The system mainly studies wireless transmission principles, realize being wirelessly transferred using magnetic coupling, powered with 15V dc sources, realized with full-bridge high-frequency inverter circuit part, 4 bridge arms in turn on or off so as to evoke alternating current in launching circuit, received by magnetic coupling and can produce sensing alternating current on loop, energy is from launching circuit to receiving circuit transmission.The AC signal for receiving loop exports direct current by AC DC change-over circuits, for driving charger module.The utility model breaks away from traditional electric energy transmission means, realizes contactless new electric energy transmission, reduces the use of electric wire, has both saved the consumptive materials such as copper, rubber, turn avoid potential safety hazard.
Description
Technical field
The utility model is related to a kind of wireless electric energy transmission device, more particularly, to a kind of radio based on magnetic coupling
Can transmitting device.
Background technology
Current power transfer is mostly wired electric energy transmission.But there is problems with wired power transfer：
Electric wire excessively causes to mix situation；A large amount of electric wires are consumed, excess resource is taken；Hold the accidents such as fire hazardous；Error detection difficulty etc..
Problem it is therefore desirable to be directed to wired electric energy transmission, develops a kind of new electric energy transmitting device, breaks away from wired
The puzzlement for bringing, realizes contactless new electric energy transmission, reduces the use of electric wire.
Utility model content
The utility model mainly solve the existing electric wire of wired electric energy transmission it is numerous and diverse the problems such as, there is provided one kind is based on magnetic
The wireless electric energy transmission device of field coupling, realizes contactless new electric energy transmission.
Above-mentioned technical problem of the present utility model is mainly what is be addressed by following technical proposals：
A kind of wireless electric energy transmission device, including PWM wave generation circuits, full bridge inverter, the resonance electricity being sequentially connected
Road, AC-DC change-over circuits；The resonance circuit includes launching circuit and receives loop；PWM wave generation circuits drive inversion electricity
Road, inverter circuit evokes alternating current in the launching circuit of resonance circuit, by magnetic coupling in the reception loop of resonance circuit
It is upper to produce sensing alternating current, export direct current, driving load by AC-DC change-over circuits.
The PWM wave generation circuits include chip LTC6900, phase inverter；Chip LTC6900 produces the accurate dutycycle to be
50%, frequency is the PWM ripples of 130kHz, and the PWM ripples of generation are obtained the reverse PWM ripples of two-way, a route by phase inverter
LTC6900 chips are exported, and another route phase inverter output, the reverse PWM ripples of two-way drive inverter circuit.
The full bridge inverter includes the electric capacity C1 of four switching tubes, four resistance, 2200 μ F；
A resistance of 9.1K is all connected between four the G poles and S poles of switching tube D1, D2, D3, D4；Switching tube D1 and open
The D poles for closing pipe D3 connect the positive pole of 15V power supplys；The D poles of switching tube D2 are connected with the S poles of switching tube D1；The D poles of switching tube D4 with open
Close the S poles connection of pipe D3；The S poles ground connection of switching tube D2, switching tube D3；The positive pole of power supply is connected with the positive pole of electric capacity C1, power supply
Negative pole be connected with the negative pole of electric capacity C1.
The AC-DC change-over circuits include the electric capacity C0 of 4 diode 1N4001,1 220 μ F；The negative pole of diode D1
Positive pole with diode D4 is connected, and is then attached to receive loop one end；The negative pole of diode D2 connects with the positive pole of diode D3
Connect, be grounded after being connected to the other end for receiving loop；The positive pole of diode D1 is connected with the positive pole of diode D2, is then attached to
One end of electric capacity C0, the negative pole of diode D4 is connected with the negative pole of diode D3, is then attached to the other end of electric capacity C0；Load
R0 is connected in parallel on the two ends of electric capacity C0.
The launching circuit include series connection transmitting coil and electric capacity, the reception loop include series connection receiving coil and
Electric capacity；The two ends of launching circuit D poles respectively with switching tube D2, the D poles of switching tube D4 are connected；The one end for receiving loop is connected to
Between the negative pole of diode D1 and the positive pole of diode D4, the other end be connected to the negative pole of diode D2 and the positive pole of diode D3
Between.
The model 74HC04 of the phase inverter.
Compared with prior art, the utility model breaks away from traditional electric energy transmission means, realizes contactless Novel electric
Can transmit, reduce the use of electric wire, both save the consumptive materials such as copper, rubber, turn avoid potential safety hazard.Transmitting coil and reception line
Circle is LC resonant tanks by magnetic coupling, its essence.Design two loop resonance frequencies identical, two coils can be tuned to and be total to
Shake, now efficiency of transmission highest, power output also highest.
Brief description of the drawings
Fig. 1 is PWM wave generation circuits figure of the present utility model.
Fig. 2 is full bridge inverter figure of the present utility model.
Fig. 3 is transmitting and receiving circuit coupling schematic diagram of the present utility model.
Fig. 4 is AC-DC change-over circuits figure of the present utility model.
Specific embodiment
The utility model is further described below in conjunction with the drawings and specific embodiments.
As shown in figure 1, the utility model produces the reverse PWM ripples of two-way using LTC6900 chips.Chip is removed, circuit is only
Comprising a resistance and an electric capacity.Resistance is connected between the power supply V+ pin of LTC6900 chips and set pin, and capacitance connection exists
Between the power supply V+ pin and earth terminal GND pin of LTC6900 chips.Required PWM ripples are obtained in the OUT pin of LTC6900 chips, then
Exported by phase inverter 74HC04, you can obtain the reverse PWM ripples of two-way, a route LTC6900 chip outputs, another route
74HC04 is exported.
As shown in Fig. 2 the utility model produces alternating current drive signal using switching tube IRLU310.Switching tube IRLU310 leads
Being powered, resistance is small, and ON time is short, and switching frequency is middle power consumption up to 1MHz, can reduce system loss, so as to improve energy biography
Defeated efficiency.The full bridge inverter is made up of four switching tubes, four resistance, an and bulky capacitor of 2200 μ F；Four switches
It is connected by the resistance of a 9.1K between the G poles of pipe D1, D2, D3, D4 and S poles.The D poles of switching tube D1 and D3 connect 15V electricity
The positive pole in source.The D poles of switching tube D2 are connected with the S poles of switching tube D1.The D poles of switching tube D4 are connected with the S poles of switching tube D3.Open
Close the S poles ground connection of pipe D2, D3.The positive pole of power supply is connected with the positive pole of electric capacity C1, and the negative pole of power supply is connected with the negative pole of electric capacity C1.
4 bridge arms on or off in turn, conducting and deadline are no more than half period, in the process of alternate conduction
Middle launching circuit produces alternating current, realizes that direct current turns high-frequency ac.High frequency ac signal swashs in the launching circuit of resonance circuit
Play alternating current.
As shown in figure 3, the utility model utilizes two coils（Two coils are equivalent to two 24uH inductance in figure）With two
Electric capacity realizes magnetic coupling.The inductance value of coil need to match with the capacitance of application, realize that two coils resonate so that power output
Reach maximum.
As shown in figure 4, the AC signal that the utility model will be received goes to direct current signal, by AC-DC circuits again with
Load is connected.The AC-DC circuits are made up of 4 diode 1N4001 and 1 220 μ F electric capacity.The negative pole of diode D1 and two poles
The positive pole connection of pipe D4, is then attached to receive loop；The negative pole of diode D2 is connected with the positive pole of diode D3, is connected to and connects
It is grounded after withdrawing the road other end.The positive pole of diode D1 is connected with the positive pole of diode D2, is then attached to one end of electric capacity C0,
The negative pole of diode D4 is connected with the negative pole of diode D3, is then attached to the other end of electric capacity C0.The load R0 of the present embodiment
It is charger for mobile phone.There is provided the dc source of 15V, it is possible to achieve the wireless charging function of mobile phone.
When in use, two coils are tried one's best alignment, opens dc source, you can realize wireless power transmission.Coil it is right
The distance between quasi- mode and two coils can influence the efficiency that electric energy is transmitted.
Preferred embodiment of the present utility model is these are only, protection domain of the present utility model is not intended to limit,
Therefore, all any modification, equivalent substitution and improvements made within spirit of the present utility model and principle etc., should be included in
Within protection domain of the present utility model.
Claims (6)
1. a kind of wireless electric energy transmission device, it is characterised in that：Including the PWM wave generation circuits, the full-bridge inverting electricity that are sequentially connected
Road, resonance circuit, AC-DC change-over circuits；The resonance circuit includes launching circuit and receives loop；PWM wave generation circuits drive
Dynamic inverter circuit, inverter circuit evokes alternating current in the launching circuit of resonance circuit, by magnetic coupling in resonance circuit
Receive and produced on loop sensing alternating current, direct current, driving load are exported by AC-DC change-over circuits.
2. a kind of wireless electric energy transmission device according to claim 1, it is characterised in that:The PWM wave generation circuits bag
Include chip LTC6900, phase inverter；It is 50% that chip LTC6900 produces accurate dutycycle, and frequency is the PWM ripples of 130kHz, is produced
Raw PWM ripples are obtained the reverse PWM ripples of two-way by phase inverter, and a route LTC6900 chip outputs, another route is anti-phase
Device is exported, and the reverse PWM ripples of two-way drive inverter circuit.
3. a kind of wireless electric energy transmission device according to claim 2, it is characterised in that:The full bridge inverter bag
Include the electric capacity C1 of four switching tubes, four resistance, 2200 μ F；
A resistance of 9.1K is all connected between four the G poles and S poles of switching tube D1, D2, D3, D4；Switching tube D1 and switching tube
The D poles of D3 connect the positive pole of 15V power supplys；The D poles of switching tube D2 are connected with the S poles of switching tube D1；The D poles of switching tube D4 and switching tube
The S poles connection of D3；The S poles ground connection of switching tube D2, switching tube D3；The positive pole of power supply is connected with the positive pole of electric capacity C1, power supply it is negative
Pole is connected with the negative pole of electric capacity C1.
4. a kind of wireless electric energy transmission device according to claim 3, it is characterised in that:The AC-DC change-over circuits bag
Include the electric capacity C0 of 4 diode 1N4001,1 220 μ F；The negative pole of diode D1 is connected with the positive pole of diode D4, Ran Houlian
It is connected to reception loop one end；The negative pole of diode D2 is connected with the positive pole of diode D3, is connected to the reception loop other end and is followed by
Ground；The positive pole of diode D1 is connected with the positive pole of diode D2, is then attached to one end of electric capacity C0, the negative pole of diode D4 with
The negative pole connection of diode D3, is then attached to the other end of electric capacity C0；Load R0 is connected in parallel on the two ends of electric capacity C0.
5. a kind of wireless electric energy transmission device according to claim 4, it is characterised in that:The launching circuit includes string
The transmitting coil and electric capacity of connection, the reception loop include the receiving coil and electric capacity of series connection；The launching circuit be received back to
The resonant frequency on road is identical；The two ends of launching circuit D poles respectively with switching tube D2, the D poles of switching tube D4 are connected；Receive loop
One end be connected between the positive pole of the negative pole of diode D1 and diode D4, the other end is connected to the negative pole and two of diode D2
Between the positive pole of pole pipe D3.
6. a kind of wireless electric energy transmission device according to claim 5, it is characterised in that:The model of the phase inverter
74HC04。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621386746.1U CN206283299U (en) | 2016-12-16 | 2016-12-16 | A kind of wireless electric energy transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621386746.1U CN206283299U (en) | 2016-12-16 | 2016-12-16 | A kind of wireless electric energy transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206283299U true CN206283299U (en) | 2017-06-27 |
Family
ID=59072778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621386746.1U Expired - Fee Related CN206283299U (en) | 2016-12-16 | 2016-12-16 | A kind of wireless electric energy transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206283299U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109471393A (en) * | 2018-11-22 | 2019-03-15 | 广州龙之杰科技有限公司 | A kind of device and method in security control magnetic field |
-
2016
- 2016-12-16 CN CN201621386746.1U patent/CN206283299U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109471393A (en) * | 2018-11-22 | 2019-03-15 | 广州龙之杰科技有限公司 | A kind of device and method in security control magnetic field |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170627 Termination date: 20171216 |