CN209634299U - A kind of wireless charging device applied to the double loads of electric car - Google Patents
A kind of wireless charging device applied to the double loads of electric car Download PDFInfo
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- CN209634299U CN209634299U CN201822111888.2U CN201822111888U CN209634299U CN 209634299 U CN209634299 U CN 209634299U CN 201822111888 U CN201822111888 U CN 201822111888U CN 209634299 U CN209634299 U CN 209634299U
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- charging device
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- receiving end
- electric car
- 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
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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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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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
- Y02T90/12—Electric charging stations
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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
- Y02T90/14—Plug-in electric vehicles
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The utility model belongs to wireless charging technical field, more particularly, to a kind of wireless charging device applied to the double loads of electric car.The beneficial effect of the utility model compared with prior art is: 1) wireless electric vehicle charging device can be realized the wireless power transmission to double loads, save the construction cost of charging pile；2) wireless electric vehicle charging device can be realized the wireless power transmission to double loads, and charging load can charge simultaneously, save the charging time；3) wireless electric vehicle charging device realizes the power distributed controll to each load, easy to operate, collection control performance is good in alternating current source by frequency separation method.
Description
Technical field
The utility model belongs to wireless charging technical field, more particularly, to a kind of nothing applied to the double loads of electric car
Line charge electric installation.
Background technique
The mode of electric car charging has contact charging and contactless two kinds of charging.Electric automobile charging pile is more at present
It is charged using contact.It charges compared to contact, contactless charging has reduction cable cost, reduces route internal resistance heat waste
The advantages that consuming, avoiding interface mechanical wear.In addition, wireless charging can be realized intelligent automatic control, operate more easy.Cause
This, electric car wireless charging has great significance to the development of electric car with universal.
Currently, wireless electric vehicle charging device is directed to one-to-one charging mostly, since electric car charging needs centainly
Time significantly increases the demand of electric automobile charging pile.For battery-super capacitor mixed energy storage system, the two
Charge requirement is different, if needing to complete the wireless of battery and super capacitor in order using common one-to-one charging method
Charging, it is inconvenient.
Therefore, to solve the above problems, it is desirable to provide a kind of new wireless charging device.
Utility model content
The purpose of this utility model is that being provided a kind of applied to electric car for deficiency present in background technique
The wireless charging device of double loads.
For this purpose, the above-mentioned purpose of the utility model is achieved through the following technical solutions:
A kind of wireless charging device applied to the double loads of electric car, which is characterized in that described to be applied to electric car
The wireless charging device of double loads includes AC power source, loosely coupled transformer and rectification filtering unit；The loosely coupled transformer
Including transmitting terminal, the first receiving end and the second receiving end；The transmitting terminal is connected to AC power source, first receiving end and
Two receiving ends are respectively connected to the first rectification filtering unit and the second rectification filtering unit, first rectification filtering unit and
The output end of two rectification filtering units is respectively connected to the load of the first electric automobile rechargeable battery and the second electric car charging electricity
Pond load.
While by adopting the above technical scheme, the utility model can also be used or be combined using further below
Technical solution:
Preferably, the AC power source exports the voltage source being combined by two component sine waves, and two just
The working frequency of string wave component is different.
Preferably, the intrinsic frequency of the first receiving end and the second receiving end of loosely coupled transformer respectively with alternating current
The working frequency of two component sine waves in source is identical, and the intrinsic frequency of the transmitting terminal of loosely coupled transformer is between AC power source
Between the working frequency of two component sine waves.
The beneficial effect of the utility model compared with prior art is:
1) wireless electric vehicle charging device can be realized the wireless power transmission to double loads, save the construction of charging pile
Cost；
2) wireless electric vehicle charging device can be realized the wireless power transmission to double loads, and charging load can fill simultaneously
Electricity saves the charging time；
3) wireless electric vehicle charging device realizes the power to each load in alternating current source by frequency separation method
Distributed controll, easy to operate, collection control performance is good.
Detailed description of the invention
Fig. 1 is the schematic diagram of the wireless charging device provided by the utility model applied to the double loads of electric car.
Fig. 2 a-2b is the simulation result diagram based on the wireless charging device for being applied to the double loads of electric car.
Specific embodiment
The utility model is described in further detail referring to the drawings and specific embodiments.
Fig. 1 is the schematic diagram of the wireless charging device provided by the utility model applied to the double loads of electric car.Such as
Shown in Fig. 1, wireless charging device includes AC power source, loosely coupled transformer and rectification filtering unit.
AC power source 1 connects the transmitting terminal 21 of loosely coupled transformer 2, and receiving end 1 receives transmitting terminal 21 by wireless transmission
Alternating electromagnetic field energy, DC current signal is obtained by rectification filtering unit 3, the DC current signal act on load electricity
Electrical automobile battery 1.Receiving end 2 receives alternating electromagnetic field energy of the transmitting terminal 21 by wireless transmission, passes through rectification filtering unit 5
DC current signal is obtained, which acts on load batteries of electric automobile 2.
AC power source is combined by the sinusoidal voltage source of different frequency (being denoted as f1 and f2 respectively).Receiving end 1 and reception
The intrinsic frequency at end 2 is identical as the frequency of AC power source component respectively, and the intrinsic frequency of transmitting terminal is between two AC power sources point
Between the frequency of amount.According to the frequency selective characteristic of wireless charging, the transmission of the energy of the f1 component of AC power source to receiving end 1
Efficiency is much higher than receiving end 2, and the efficiency of transmission of the energy of the f2 component of AC power source to receiving end 2 is much higher than receiving end 1, exchanges
The amplitude of each frequency component of power supply can be realized in the unified configuration of source side and regulation to two electric car charging loads
Wireless charging, and realize in power end to two charging load power distributed controlls.
AC power source is combined by the sinusoidal voltage source of different frequency (being denoted as f1 and f2).Receiving end 1 and receiving end 2
Intrinsic frequency is identical as the frequency of AC power source component respectively, the frequency of the intrinsic frequency of transmitting terminal between two AC power source components
Between rate.For a compound electric potential source Us1sin(2πf1t)+Us2sin(2πf2T), power supply component Us1sin(2πf1T) it transmits
Electric energy is mainly received by 1 (that is to say batteries of electric automobile 1) of load, and Us2sin(2πf2T) energy transmitted is mainly by load 2
(that is to say batteries of electric automobile 2) receives.It, can be in source side to load function by adjusting the amplitude of two frequency power source components
Rate distribution carries out unified regulation.
Embodiment has carried out simulating, verifying to the control of wireless electric vehicle charging device.The emulation dress that the embodiment is built
It sets as described below:
AC power source is Us, and two sinusoidal voltage source component frequencies are respectively f1=3kHz and f2=5kHz, and transmitting terminal is solid
Having frequency is 4kHz, and 1 intrinsic frequency of receiving end is 3kHz, and 2 intrinsic frequency of receiving end is 5kHz.Rectification filtering unit is used and is not controlled
Rectification, LC filtering, load is using the pure resistor load of two 5 Ω come the power characteristic of the short charging interval of equivalent energy-storage battery.
In this embodiment, the control of wireless electric vehicle charging device specifically: adjustment AC power source component sine waves
Amplitude combinations, measure two load charging voltage and charging current variation.
Obtained simulation result is shown in that Fig. 2 a-2b, Fig. 2 a-2b are based on the wireless charging Denso for being applied to the double loads of electric car
The simulation result diagram set, the various combination of power supply component will lead to the difference of load-side power distribution.AC power source table in Fig. 2 a
It is shown as Us=24sin (2 π f1t)+24sin(2πf2t)；AC power source is expressed as U in Fig. 2 bs=24sin (2 π f1t)+12sin(2π
f2t)；In fig. 2 a, the reception frequency phase-difference very little of two loads, and the amplitude for reducing f2 power supply component can make load 1 obtain
The transimission power of greater proportion is obtained, i.e., as shown in Figure 2 b.
Above-mentioned specific embodiment is used to illustrate the utility model, the only preferred embodiment of the utility model, and
It is not to limit the utility model, it is practical new to this in the spirit and scope of protection of the claims of the utility model
Any modification, equivalent substitution, improvement and etc. that type is made, both fall within the protection scope of the utility model.
Claims (3)
1. a kind of wireless charging device applied to the double loads of electric car, which is characterized in that described to be applied to electric car pair
The wireless charging device of load includes AC power source, loosely coupled transformer and rectification filtering unit；The loosely coupled transformer packet
Include transmitting terminal, the first receiving end and the second receiving end；The transmitting terminal is connected to AC power source, first receiving end and second
Receiving end is respectively connected to the first rectification filtering unit and the second rectification filtering unit, first rectification filtering unit and second
The output end of rectification filtering unit is respectively connected to the load of the first electric automobile rechargeable battery and the second electric automobile rechargeable battery
Load.
2. the wireless charging device according to claim 1 applied to the double loads of electric car, which is characterized in that the friendship
Galvanic electricity source exports the voltage source that is combined by two component sine waves, and the mutual not phase of the working frequency of two component sine waves
Together.
3. the wireless charging device according to claim 2 applied to the double loads of electric car, which is characterized in that loose coupling
The intrinsic frequency work with two component sine waves of AC power source respectively of the first receiving end and the second receiving end of transformer
Frequency is identical, the working frequency of the intrinsic frequency of the transmitting terminal of loosely coupled transformer between two component sine waves of AC power source
Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822111888.2U CN209634299U (en) | 2018-12-16 | 2018-12-16 | A kind of wireless charging device applied to the double loads of electric car |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822111888.2U CN209634299U (en) | 2018-12-16 | 2018-12-16 | A kind of wireless charging device applied to the double loads of electric car |
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| CN209634299U true CN209634299U (en) | 2019-11-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109515220A (en) * | 2018-12-16 | 2019-03-26 | 中国电建集团华东勘测设计研究院有限公司 | A kind of wireless charging device and wireless charging method applied to the double loads of electric car |
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2018
- 2018-12-16 CN CN201822111888.2U patent/CN209634299U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109515220A (en) * | 2018-12-16 | 2019-03-26 | 中国电建集团华东勘测设计研究院有限公司 | A kind of wireless charging device and wireless charging method applied to the double loads of electric car |
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