CN109606145A - Dynamic radio charging system based on grouping control - Google Patents
Dynamic radio charging system based on grouping control Download PDFInfo
- Publication number
- CN109606145A CN109606145A CN201910009131.9A CN201910009131A CN109606145A CN 109606145 A CN109606145 A CN 109606145A CN 201910009131 A CN201910009131 A CN 201910009131A CN 109606145 A CN109606145 A CN 109606145A
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- China
- Prior art keywords
- detection signal
- position detection
- guide rail
- electric car
- group
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- Y02T90/12—Electric charging stations
-
- 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
Abstract
The invention proposes a kind of dynamic radio charging systems based on grouping control, and power pick-up winding and position detection signal transmitting module is arranged in electric car body;It is guide tracked that power transmitting system is arranged to multistage, a power emission coil is arranged in each section guide rail, adjacent multistage guide rail is set as one group, a position detection signal receiving module and an energy transmitting controller is arranged in each group of guide rail, when the position detection signal receiving module receives the signal that the position detection signal transmitting module issues, the power emission coil that the energy transmitting controller controls this group of guide rail enters constant current output mode.System and its control method proposed by the invention are reliable and stable, are simply easily achieved, and not only breach the time territory restriction of wired charging technology, more realize the switching at runtime and real-time control of power emitting device of the electric car in wireless charging.
Description
Technical field
The present invention relates to electric car wireless charging technical fields, and in particular to a kind of dynamic radio based on grouping control
Charging system.
Background technique
Electric car wireless charging technology be derived from wireless power transmission technology, can using induction or resonant mode without
Electric energy is sent to electric car by power supply unit by line transmission mode, which fills battery according to the electric energy received
Electricity.But due to the limitation of the energy density of battery and storage electricity, charging rate is by battery technology, charging technique and electricity
The restriction of the factors such as net compatibility cannot be greatly improved, and thereby reduce the cruising ability of electric car.
It can be set with electric automobile by being laid with power emission coil on the traveling lane of electric car at present
Power receiving coil is set, mobile dynamic radio charging is carried out to the electric car in traveling, to improve the continuation of the journey of electric car
Ability.But mobile dynamic radio charging modes need to be laid with the guide rail containing power emission coil on traveling lane.If
It is laid with long section guide rail, then the cost of system and electric energy loss are then very huge.To solve the above-mentioned problems, the prior art is adopted
It is too long to solve the problems, such as that guide rail is arranged with the guide tracked wireless charging road of multistage, and infrared induction, RFID mark is used in combination
The technologies such as label realize the identification switching of guide rail.But the defects of Gao Chengben, high misjudgement rate and low precision, lead to its technology
It is immature, more further, every section guide rail must be both provided with positioning and recognizing device in above-mentioned technology, improve answering for system
Miscellaneous degree.How under the premise of guaranteeing system stability contorting, it is reduced as far as positioning and recognizing device, and reduce system structure
Complexity, the prior art not can solve yet.
Summary of the invention
For the defects in the prior art, the invention proposes a kind of dynamic radio charging systems based on grouping control.
It realizes and is charged by wireless power transmission technology to electric car, more realize the guide rail when electric car is in traveling
Real-time switching.
To achieve the above object, the technical solution adopted in the present invention is as follows:
A kind of dynamic radio charging system based on grouping control, key are: power is arranged in electric car body
Pick-up winding and position detection signal transmitting module;It is guide tracked that power transmitting system is arranged to multistage, each section guide rail setting
Adjacent multistage guide rail is set as one group by one power emission coil, and each group of guide rail is arranged a position detection signal and receives
Module and an energy transmitting controller, when the position detection signal receiving module receives the position detection signal transmitting mould
When the signal that block issues, the power emission coil that the energy transmitting controller controls this group of guide rail enters constant current output mode.
Further, there are two position detection signal transmitting module settings, before being located at the electric car,
Both ends afterwards, the position detection signal receiving module are located at the front end of each group of guide rail.And when the position detection signal is sent out
Penetrate module receive electric car front end position detection signal transmitting module issue signal when, when previous group guide rail power send out
Ray circle enters constant current output mode;When the position detection signal transmitting module receives the position detection letter of electric car rear end
When the signal that number transmitting module issues, the power emission coil of upper one group of guide rail enters closed state.
Further, the energy of position detection signal receiving module mode and two adjacent groups guide rail by wireless communication
Mission controller is communicatively coupled.
Further, what the position detection signal transmitting module was sent to the position detection signal receiving module is electricity
Magnetic signal.
Further, the position detection signal transmitting module is to what the position detection signal receiving module was sent
Electromagnetic signal with coding.
In order to reserve certain starting buffer time to power emission coil, the position for being located at electric car rear end can be examined
It surveys signal emission module to be disposed adjacent with the power pick-up winding, the position detection signal for being located at electric car front end is emitted
A distance is reserved between module and the power pick-up winding.
Further, the number of segment of each group of guide rail is identical.
Further, the signal of the position detection signal transmitting module transmitting of electric car front and rear ends is different.
As another preferred embodiment, the signal of the position detection signal transmitting module transmitting of electric car front and rear ends
It is identical, energy transmitting controller by count a certain position detection signal receiving module the number of received electromagnetic signal sentence
Power off the location of electrical automobile.
Remarkable result of the invention is: proposing a kind of reliable and stable, simple and easy, the controllable electric car dynamic of cost
Wireless charging system breaches the time territory restriction of wired charging technology, is grouped and is controlled using multistage, reduces answering for system
Polygamy, save hardware be laid with cost, realize the power R-T unit during electric car wireless charging switching at runtime and
Real-time control.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar element
Or part is generally identified by similar appended drawing reference.In attached drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 is that the present invention is based on the dynamic radio charging system dynamic schematic diagrams of grouping control;
Fig. 2 is that the present invention is based on the dynamic radio charging system specific workflow figures of grouping control.
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solution of the present invention.Following embodiment is only used for
Clearly illustrate technical solution of the present invention, therefore be only used as example, and cannot be used as a limitation and limit protection model of the invention
It encloses.
The present embodiment realizes a kind of dynamic radio charging system based on grouping control, as shown in Figure 1, electric automobile
Body is provided with power pick-up winding and position detection signal transmitting module;It is guide tracked that power transmitting system is arranged to multistage, each
A power emission coil is arranged in section guide rail, and the number of segment that adjacent multistage guide rail is set as one group and each group guide rail is identical.Often
A position detection signal receiving module and an energy transmitting controller is arranged in one group of guide rail, when the position detection signal connects
When receipts module receives the signal that the position detection signal transmitting module issues, the energy transmitting controller controls this group of guide rail
Power emission coil enter constant current output mode.
Under the premise of completely completing system logic function, in order to reduce the complexity of system physical building, this system
Signal receiving/transmission device simplify as much as possible, therefore the position detection signal transmitting module is set as two, is located at described
The front and rear ends of electric car, the position detection signal receiving module are located at the front end of each group of guide rail.When the position
When the signal that the position detection signal transmitting module that detection signal emission module receives electric car front end issues, when previous group is led
The power emission coil of rail enters constant current output mode;When the position detection signal transmitting module receives electric car rear end
When the signal that position detection signal transmitting module issues, the power emission coil of upper one group of guide rail enters closed state.
In order to reserve certain starting buffer time to power emission coil, the position detection of electric car rear end will be located at
Signal emission module is disposed adjacent with the power pick-up winding, and the position detection signal for being located at electric car front end is emitted mould
A distance is reserved between block and the power pick-up winding.
In the present embodiment, the position detection signal transmitting module is to what the position detection signal receiving module was sent
Electromagnetic signal with encoded information, the position detection signal receiving module receive after information mode by wireless communication
Pass information to the energy transmitting controller of two adjacent groups guide rail.
Moreover, the signal that the position detection signal transmitting module of electric car front and rear ends emits is identical, energy transmitting control
Device processed by count a certain position detection signal receiving module the number of received electromagnetic signal judge locating for electric car
Position.
As another feasible specific embodiment, the position detection signal transmitting module of electric car front and rear ends
The signal of transmitting is set as different.
In the present embodiment when it is implemented, the dynamic relationship of its system is as shown in Figure 1, in figure, dash area represents position
Signal emission module is detected, dark guide rail represents power emission coil and is in the guide rail for having load constant current output mode, and grey is led
Rail represents the guide rail that power emission coil is in non-loaded constant current output mode, and white guide rail represents power emission coil and is in pass
The guide rail of closed state.
In system shown in Figure 1, guide rail is divided into two groups, and every group has five section guide rails, and the front end of every group of guide rail is provided with one
Position detection signal receiving module.Guide rail in Fig. 1 to be numbered from left to right, first segment is No. 1 guide rail, and i-th section is i guide rail,
Final stage is No. 10 guide rails.Position detection when electric car drives into charging guide rail from left to right, positioned at No. 1 guide rail front end
Signal receiving module receives the emitted signal of position detection signal transmitting module positioned at electric car front end, and by the signal
Energy transmitting controller is reached, the power emission coil that energy transmitting controller controls in first group of guide rail is open-minded, so that it becomes
Constant current output mode.Electric car travels from left to right in first group of guide rail, and rail state is from left to right successively by non-loaded
State becomes having load condition to arrive no-load condition again, and under non-loaded constant current output mode, power emission coil is in low-power consumption
Output has under load constant current output mode, and power emission coil is in high power consumption output.When electric car drives into second group of guide rail
(being as shown in the figure No. 6 guide rails), the position detection signal receiving module positioned at second group of guide rail front end is received positioned at electronic vapour
The emitted signal of position detection signal transmitting module at Chinese herbaceous peony end, energy transmitting controller open function all in second group of guide rail
Rate transmitting coil.When electric car crosses No. 6 guide rails completely, the position detection signal receiving module positioned at No. 6 guide rail front ends is examined
The emitted signal of position detection signal transmitting module positioned at electric car rear end is measured, energy transmitting controller is receiving the letter
After number, the power emission coil in one group of guide rail before controlling No. 6 guide rails becomes closed state again, that is, controls in 1 to No. 5 guide rail
Power emission coil close.
The flow chart shown in Fig. 2 situation identical mainly for the number of segment of each group of guide rail is led with each group 5 sections in this example
For rail, the signal of the position detection signal transmitting module transmitting of electric car front and rear ends is identical, according to shown in the flow chart
If control flow carry out control as can be seen that in M section guide rail front end being provided with position detection signal receiving module:
When the number that the position detection signal receiving module receives the emitted signal of position detection signal transmitting module is
When odd number, indicate that position detection signal receiving module receives the signal that the position detection signal transmitting module of headstock issues, explanation
Electric car is just driving into the guide rail group after M section guide rail, then energy transmitting controller controls the hair of the power in this group of guide rail
Ray circle starts to work, i.e., this 5 section guide rail of the M+4 that opens M, M+1, M+2 as shown in the figure ..., and makes it into constant current output
State;
When the number that the position detection signal receiving module receives the emitted signal of position detection signal transmitting module is
When even number, indicate that position detection signal receiving module receives the signal that the position detection signal transmitting module of the tailstock issues, explanation
Electric car has sailed out of the guide rail group before M section guide rail completely, while driving into the guide rail after M section guide rail completely
Among group, then energy transmitting controller controls the closing of the power emission coil in one group of guide rail, i.e., shutdown M- as shown in the figure
1, this 5 section guide rail of M-2 ... M-5, and make it into constant current output state.
In conclusion the invention proposes a kind of reliable and stable, simple and easy, controllable electric car dynamic radios of cost
Charging system breaches the time territory restriction of wired charging technology, realizes the power during electric car wireless charging
The switching at runtime and real-time control of R-T unit.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify to technical solution documented by previous embodiment, or some or all of the technical features are equal
Replacement;And these are modified or replaceed, the model for technical solution of the embodiment of the present invention that it does not separate the essence of the corresponding technical solution
It encloses, should all cover within the scope of the claims and the description of the invention.
Claims (9)
1. a kind of dynamic radio charging system based on grouping control, it is characterised in that: picked up in electric car body setting power
Line taking circle and position detection signal transmitting module;It is guide tracked that power transmitting system is arranged to multistage, each section guide rail setting one
Adjacent multistage guide rail is set as one group by a power emission coil, and each group of guide rail is arranged a position detection signal and receives mould
Block and an energy transmitting controller, when the position detection signal receiving module receives the position detection signal transmitting module
When the signal of sending, the power emission coil that the energy transmitting controller controls this group of guide rail enters constant current output mode.
2. the dynamic radio charging system according to claim 1 based on grouping control, it is characterised in that: the position inspection
It surveys there are two signal emission module settings, is located at the front and rear ends of the electric car, the position detection signal receives
Module is located at the front end of each group of guide rail;
When the letter that the position detection signal transmitting module that the position detection signal transmitting module receives electric car front end issues
Number when, when the power emission coil of previous group guide rail enters constant current output mode;
When the letter that the position detection signal transmitting module that the position detection signal transmitting module receives electric car rear end issues
Number when, the power emission coil of upper one group of guide rail enters closed state.
3. the dynamic radio charging system according to claim 2 based on grouping control, it is characterised in that: the position inspection
Surveying signal receiving module, mode and the energy transmitting controller of two adjacent groups guide rail are communicatively coupled by wireless communication.
4. the dynamic radio charging system according to claim 1 to 3 based on grouping control, it is characterised in that: described
What position detection signal transmitting module was sent to the position detection signal receiving module is electromagnetic signal.
5. the dynamic radio charging system according to claim 1 to 3 based on grouping control, it is characterised in that: described
What position detection signal transmitting module was sent to the position detection signal receiving module is the electromagnetic signal with coding.
6. the dynamic radio charging system according to claim 2 based on grouping control, it is characterised in that: be located at electronic vapour
The position detection signal transmitting module of vehicle rear end is disposed adjacent with the power pick-up winding, positioned at the position of electric car front end
A distance is reserved between detection signal emission module and the power pick-up winding.
7. the dynamic radio charging system according to claim 1 based on grouping control, it is characterised in that: each group of guide rail
Number of segment it is identical.
8. the dynamic radio charging system according to claim 2 based on grouping control, it is characterised in that: electric car
The signal of the position detection signal transmitting module transmitting of front and rear ends is different.
9. the dynamic radio charging system according to claim 2 based on grouping control, it is characterised in that: electric car
The signal of the position detection signal transmitting module transmitting of front and rear ends is identical, and energy transmitting controller is by counting a certain position
Detection signal receiving module the number of received electromagnetic signal judge the location of electric car.
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CN201910009131.9A CN109606145A (en) | 2019-01-04 | 2019-01-04 | Dynamic radio charging system based on grouping control |
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CN201910009131.9A CN109606145A (en) | 2019-01-04 | 2019-01-04 | Dynamic radio charging system based on grouping control |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112810495A (en) * | 2021-02-26 | 2021-05-18 | 长安大学 | Automatic driving clock synchronization system and method based on dynamic charging system |
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Application publication date: 20190412 |