CN209616903U - A kind of wireless charging system for electric automobile - Google Patents
A kind of wireless charging system for electric automobile Download PDFInfo
- Publication number
- CN209616903U CN209616903U CN201822132256.4U CN201822132256U CN209616903U CN 209616903 U CN209616903 U CN 209616903U CN 201822132256 U CN201822132256 U CN 201822132256U CN 209616903 U CN209616903 U CN 209616903U
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- inductance
- capacitor
- triode
- charging system
- wireless charging
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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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- 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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
- Y02T90/14—Plug-in electric vehicles
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model discloses a kind of wireless charging system for electric automobile, the output end of RF receiver is electrically connected with the first triode, the second triode, third transistor and the 4th triode respectively；5th inductance and RF transmitter reception major loop in series, the 5th inductance and the 4th inductive coupling.RF transmitter measures and determines the spacing between the 4th inductance and the 5th inductance, RF receiver automatically switches to corresponding circuit to guarantee that output voltage is in stable state, under the premise of using line footpath is small, rear class charging circuit is simple, the wireless charging system for electric automobile that production cost is low and efficiency of transmission is high is provided.
Description
Technical field
The utility model relates to wireless charging technical field more particularly to a kind of wireless charging system for electric automobile.
Background technique
Distance is all unequal between different automobile chassises and ground, connects when matching different electric cars in order to reduce
Coil output voltage amplitude of variation is received, the transmitting coil of large volume and receiving coil cooperation is needed just to can be achieved, and coiling line footpath
Slightly, the transmitting coil and receiving coil high production cost, quality largely using magnetic material and shielding material are big, considerably increase
The burden of electric car；In addition to adapt to the voltage that receiving end is widely varied, rear class charging circuit designs complicated, circuit requirement
It is excessively high, loss it is excessive, seriously affect the charge efficiency of wireless charging system.
Utility model content
The electronic vapour that the technical problem to be solved by the utility model is to provide a kind of production costs is low, charge efficiency is high
Vehicle radio charging system.
In order to solve the above-mentioned technical problem, a kind of the technical solution adopted in the utility model are as follows: electric car wireless charging
System, including RF transmitter, RF receiver, the first inductance, the second inductance, third inductance, the 4th inductance, the 5th inductance, first
Capacitor, the second capacitor, third capacitor, the 4th capacitor, the first triode, the second triode, third transistor, the 4th triode and
Power supply；
It is defeated that the power supply, the first inductance, the second inductance, third inductance, first capacitor and the 4th inductance are sequentially connected composition
Major loop out, first triode and the third inductance in parallel, the drain electrode of second triode are connected to the second inductance
One end far from third inductance, the source electrode of the second triode are connected to the junction of third inductance and first capacitor, the third
One end of capacitor is connected to the junction of third inductance and first capacitor, and it is separate that the other end of third capacitor is connected to the 4th inductance
One end of first capacitor；One end of the third capacitor is connected with one end of the second capacitor, and the other end of third capacitor passes through the
Three triodes are connected with the other end of the second capacitor, and one end of the 4th capacitor is connected with one end of the second capacitor, the 4th electricity
The other end of appearance is connected by the 4th triode with the other end of the second capacitor；The output end of the RF receiver is respectively with first
Triode, the second triode, third transistor and the electrical connection of the 4th triode；
5th inductance and RF transmitter reception major loop in series, the 5th inductance and the 4th inductance coupling
It closes.
It further, further include the 6th inductance, the 7th inductance, the 5th capacitor, the 6th capacitor, the 5th triode, the six or three
Pole pipe, the 7th triode and the 8th triode；
6th inductance and the 7th inductance are series between first inductance and the second inductance, the 5th triode
Drain electrode be connected at the 6th inductance and the 7th inductance connection, the source electrode of the 5th triode be connected to the third inductance with
The junction of first capacitor；The drain electrode of 6th triode is connected at the first inductance and the 7th inductance connection, and the described 6th
The source electrode of triode is connected to the junction of the third inductance and first capacitor；One end of 5th capacitor and the second capacitor
One end be connected, the other end of the 5th capacitor is connected by the 7th triode with the other end of the second capacitor, the 6th capacitor
One end be connected with one end of the second capacitor, the other end of the 6th capacitor passes through the other end phase of the 8th triode and the second capacitor
Even；The output end of the RF receiver is electrically connected with the 5th triode, the 6th triode, the 7th triode and the 8th triode respectively
It connects.
Further, the voltage of the power supply is 200V.
It further, further include set on the 7th capacitor for receiving major loop, the 7th capacitance connection is in the 5th electricity
Between sense and RF transmitter.
The utility model has the beneficial effects that: between RF transmitter is measured and is determined between the 4th inductance and the 5th inductance
Away from RF receiver automatically switches to corresponding circuit to guarantee that output voltage is in stable state, in the small, rear class using line footpath
Under the premise of charging circuit is simple, the wireless charging system for electric automobile that production cost is low and efficiency of transmission is high is provided.
Detailed description of the invention
Fig. 1 is the circuit diagram of the wireless charging system for electric automobile of the utility model embodiment one.
Label declaration:
1, RF transmitter；2, RF receiver；U, power supply；
L1, the first inductance；L2, the second inductance；L3, third inductance；L4, the 4th inductance；
L5, the 5th inductance；L6, the 6th inductance；L7, the 7th inductance；
C1, first capacitor；C2, the second capacitor；C3, third capacitor；C4, the 4th capacitor；
C5, the 5th capacitor；C6, the 6th capacitor；C7, the 7th capacitor；
Q1, the first triode；Q2, the second triode；Q3, third transistor；Q4, the 4th triode；
Q5, the 5th triode；Q6, the 6th triode；Q7, the 7th triode；Q8, the 8th triode.
Specific embodiment
For technology contents, the objects and the effects that the utility model is described in detail, below in conjunction with embodiment and match
Attached drawing is closed to be explained.
The design of the utility model most critical is: RF transmitter is measured and is determined between the 4th inductance and the 5th inductance
Spacing, RF receiver automatically switch to corresponding circuit to guarantee that output voltage is in stable state.
Please refer to Fig. 1, a kind of wireless charging system for electric automobile, including RF transmitter 1, RF receiver 2, the first inductance
L1, the second inductance L2, third inductance L3, the 4th inductance L4, the 5th inductance L5, first capacitor C1, the second capacitor C2, third capacitor
C3, the 4th capacitor C4, the first triode Q1, the second triode Q2, third transistor Q3, the 4th triode Q4 and power supply U；
The power supply U, the first inductance L1, the second inductance L2, third inductance L3, first capacitor C1 and the 4th inductance L4 are successively
Output major loop is connected and composed, the first triode Q1 is in parallel with the third inductance L3, the leakage of the second triode Q2
Pole is connected to second one end of inductance L2 far from third inductance L3, and the source electrode of the second triode Q2 is connected to third inductance L3 and
One end of the junction of one capacitor C1, the third capacitor C3 is connected to the junction of third inductance L3 Yu first capacitor C1, the
The other end of three capacitor C3 is connected to the 4th one end of inductance L4 far from first capacitor C1；One end of the third capacitor C3 and the
One end of two capacitor C2 is connected, and the other end of third capacitor C3 passes through the other end phase of third transistor Q3 and the second capacitor C2
Even, one end of the 4th capacitor C4 is connected with one end of the second capacitor C2, and the other end of the 4th capacitor C4 passes through the four or three pole
Pipe Q4 is connected with the other end of the second capacitor C2；The output end of the RF receiver 2 respectively with the first triode Q1, the two or three
Pole pipe Q2, third transistor Q3 and the 4th triode Q4 electrical connection；
5th inductance L5 and the RF transmitter 1 reception major loop in series, the 5th inductance L5 and the described 4th
Inductance L4 coupling.
The working principle of the utility model is summarized as follows: calculating the 4th electricity of measurement positioned at the RF transmitter of charging system rear class
RF receiver is sent data to after actual range between sense and the 5th inductance, RF receiver switches corresponding component group
At corresponding circuit, guarantee the stability of output voltage.
As can be seen from the above description, the utility model has the beneficial effects that: RF transmitter measure and determine the 4th inductance and
Spacing between 5th inductance, RF receiver automatically switch to corresponding circuit to guarantee that output voltage is in stable state,
Under the premise of using line footpath is small, rear class charging circuit is simple, the electric car that production cost is low and efficiency of transmission is high is provided
Wireless charging system.
It further, further include the 6th inductance L6, the 7th inductance L7, the 5th capacitor C5, the 6th capacitor C6, the 5th triode
Q5, the 6th triode Q6, the 7th triode Q7 and the 8th triode Q8；The 6th inductance L6 and the 7th inductance L7 is series at institute
It states between the first inductance L1 and the second inductance L2, the drain electrode of the 5th triode Q5 is connected to the 6th inductance L6 and the 7th inductance
The source electrode of the junction L7, the 5th triode Q5 is connected to the junction of the third inductance L3 and first capacitor C1；It is described
The drain electrode of 6th triode Q6 is connected to the first inductance L1 and the 7th junction inductance L7, the source electrode of the 6th triode Q6
It is connected to the junction of the third inductance L3 and first capacitor C1；One end of the 5th capacitor C5 and the one of the second capacitor C2
End is connected, and the other end of the 5th capacitor C5 is connected by the 7th triode Q7 with the other end of the second capacitor C2, the 6th electricity
The one end for holding C6 is connected with one end of the second capacitor C2, and the other end of the 6th capacitor C6 passes through the 8th triode Q8 and the second capacitor
The other end of C2 is connected；The output end of the RF receiver 2 respectively with the 5th triode Q5, the 6th triode Q6, the seven or three pole
Pipe Q7 and the 8th triode Q8 electrical connection.
Seen from the above description, the 6th inductance, the 7th inductance, the 5th capacitor, the 6th capacitor, the 5th triode, the six or three
Pole pipe, the 7th triode and the 8th triode form multiple switching circuits, substantially increase wireless charging system applicability and
Compatibility.
Further, the voltage of the power supply U is 200V.
Seen from the above description, the charging voltage of 200V can satisfy most of user's use demands.
It further, further include being connected to described the set on the 7th capacitor C7 for receiving major loop, the 7th capacitor C7
Between five inductance L5 and RF transmitters 1.
Embodiment one
Please refer to Fig. 1, the embodiments of the present invention one are as follows: a kind of wireless charging system for electric automobile, including RF transmitting
Device 1, RF receiver 2, the first inductance L1, the second inductance L2, third inductance L3, the 4th inductance L4, the 5th inductance L5, first capacitor
C1, the second capacitor C2, third capacitor C3, the 4th capacitor C4, the first triode Q1, the second triode Q0, third transistor Q3,
Four triode Q4 and power supply U；The power supply U, the first inductance L1, the second inductance L2, third inductance L3, first capacitor C1 and the 4th
Inductance L4 is sequentially connected composition output major loop, and the first triode Q1 is in parallel with the third inductance L3, and the described 2nd 3
The drain electrode of pole pipe Q2 is connected to second one end of inductance L2 far from third inductance L3, and the source electrode of the second triode Q2 is connected to third
One end of the junction of inductance L3 and first capacitor C1, the third capacitor C3 is connected to third inductance L3 and first capacitor C1
Junction, the other end of third capacitor C3 is connected to the 4th one end of inductance L4 far from first capacitor C1；The third capacitor
One end of C3 is connected with one end of the second capacitor C2, and the other end of third capacitor C2 passes through third transistor Q3 and the second capacitor C2
The other end be connected, one end of the 4th capacitor C4 is connected with one end of the second capacitor C2, and the other end of the 4th capacitor C4 leads to
The 4th triode Q4 is crossed to be connected with the other end of the second capacitor C2；The output end of the RF receiver 2 respectively with the first triode
Q1, the second triode Q2, third transistor Q3 and the 4th triode Q4 electrical connection；5th inductance L5 and the RF transmitter 1 is gone here and there
Connection, which is constituted, receives major loop, and the 5th inductance L5 is coupled with the 4th inductance L4.
It further include the 6th inductance L6, the 7th inductance L7, the 5th capacitor C5, the 6th capacitor C6, the 5th triode Q5, the six or three
Pole pipe Q6, the 7th triode Q7 and the 8th triode Q8；The 6th inductance L6 and the 7th inductance L7 is series at first electricity
Feel between L1 and the second inductance L2, the drain electrode of the 5th triode Q5 is connected to the 6th inductance L6 and connect with the 7th inductance L7
Place, the source electrode of the 5th triode Q5 are connected to the junction of the third inductance L3 and first capacitor C1；Described 6th 3
The drain electrode of pole pipe Q6 is connected to the first inductance L1 and the 7th junction inductance L7, and the source electrode of the 6th triode Q6 is connected to institute
State the junction of third inductance L3 Yu first capacitor C1；One end of the 5th capacitor C5 is connected with one end of the second capacitor C2,
The other end of 5th capacitor C5 is connected by the 7th triode Q7 with the other end of the second capacitor C2, and the one of the 6th capacitor C6
End is connected with one end of the second capacitor C2, and the other end of the 6th capacitor C6 passes through the another of the 8th triode Q8 and the second capacitor C2
One end is connected；The output end of the RF receiver 2 respectively with the 5th triode Q5, the 6th triode Q6, the 7th triode Q4 and
8th triode Q8 electrical connection.
In the present embodiment, the maximum value of input voltage and output voltage is 400V, it is preferred that the input voltage and
The duty ratio of output voltage is 50%, i.e., the described input voltage is 200V, and power supply U voltage is 200V.
Further include set on receive major loop the 7th capacitor C7, the 7th capacitor C7 be connected to the 5th inductance L5 with
Between RF transmitter 1.
In conclusion a kind of wireless charging system for electric automobile provided by the utility model, RF transmitter are measured and are determined
Spacing between 4th inductance and the 5th inductance, RF receiver automatically switch to corresponding circuit to guarantee that output voltage is in
Stable state provides that production cost is low and efficiency of transmission is high under the premise of using line footpath is small, rear class charging circuit is simple
Wireless charging system for electric automobile.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalents made based on the specification and figures of the utility model are applied directly or indirectly in relevant technology neck
Domain is also included in the patent protection scope of the utility model.
Claims (4)
1. a kind of wireless charging system for electric automobile, it is characterised in that: including RF transmitter, RF receiver, the first inductance, second
Inductance, third inductance, the 4th inductance, the 5th inductance, first capacitor, the second capacitor, third capacitor, the 4th capacitor, the one or three pole
Pipe, the second triode, third transistor, the 4th triode and power supply；
The power supply, the first inductance, the second inductance, third inductance, first capacitor and the 4th inductance are sequentially connected composition output master
Circuit, first triode and the third inductance in parallel, it is separate that the drain electrode of second triode is connected to the second inductance
One end of third inductance, the source electrode of the second triode are connected to the junction of third inductance and first capacitor, the third capacitor
One end be connected to the junction of third inductance and first capacitor, the other end of third capacitor is connected to the 4th inductance far from first
One end of capacitor；One end of the third capacitor is connected with one end of the second capacitor, and the other end of third capacitor passes through the three or three
Pole pipe is connected with the other end of the second capacitor, and one end of the 4th capacitor is connected with one end of the second capacitor, the 4th capacitor
The other end is connected by the 4th triode with the other end of the second capacitor；The output end of the RF receiver respectively with the one or three pole
Pipe, the second triode, third transistor and the electrical connection of the 4th triode；
5th inductance and RF transmitter reception major loop in series, the 5th inductance and the 4th inductive coupling.
2. wireless charging system for electric automobile according to claim 1, it is characterised in that: further include the 6th inductance, the 7th
Inductance, the 5th capacitor, the 6th capacitor, the 5th triode, the 6th triode, the 7th triode and the 8th triode；
6th inductance and the 7th inductance are series between first inductance and the second inductance, the leakage of the 5th triode
Pole is connected at the 6th inductance and the 7th inductance connection, and the source electrode of the 5th triode is connected to the third inductance and first
The junction of capacitor；The drain electrode of 6th triode is connected at the first inductance and the 7th inductance connection, the six or three pole
The source electrode of pipe is connected to the junction of the third inductance and first capacitor；One end of 5th capacitor and the one of the second capacitor
End is connected, and the other end of the 5th capacitor is connected by the 7th triode with the other end of the second capacitor, and the one of the 6th capacitor
End is connected with one end of the second capacitor, and the other end of the 6th capacitor is connected by the 8th triode with the other end of the second capacitor；
The output end of the RF receiver is electrically connected with the 5th triode, the 6th triode, the 7th triode and the 8th triode respectively.
3. wireless charging system for electric automobile according to claim 1, it is characterised in that: the voltage of the power supply is
200V。
4. wireless charging system for electric automobile according to claim 1, it is characterised in that: further include being set to receive major loop
The 7th capacitor, the 7th capacitance connection is between the 5th inductance and RF transmitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822132256.4U CN209616903U (en) | 2018-12-18 | 2018-12-18 | A kind of wireless charging system for electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822132256.4U CN209616903U (en) | 2018-12-18 | 2018-12-18 | A kind of wireless charging system for electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209616903U true CN209616903U (en) | 2019-11-12 |
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ID=68446166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822132256.4U Active CN209616903U (en) | 2018-12-18 | 2018-12-18 | A kind of wireless charging system for electric automobile |
Country Status (1)
| Country | Link |
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| CN (1) | CN209616903U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109552086A (en) * | 2018-12-18 | 2019-04-02 | 深圳市信维通信股份有限公司 | A kind of wireless charging system for electric automobile and its control method |
-
2018
- 2018-12-18 CN CN201822132256.4U patent/CN209616903U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109552086A (en) * | 2018-12-18 | 2019-04-02 | 深圳市信维通信股份有限公司 | A kind of wireless charging system for electric automobile and its control method |
| CN109552086B (en) * | 2018-12-18 | 2024-03-19 | 深圳市信维通信股份有限公司 | Wireless charging system of electric automobile and control method thereof |
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