CN106568376A - Charging coil position detecting device, coil deviation detecting method and apparatus, capital construction terminal and on-vehicle terminal - Google Patents
Charging coil position detecting device, coil deviation detecting method and apparatus, capital construction terminal and on-vehicle terminal Download PDFInfo
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- CN106568376A CN106568376A CN201610249758.8A CN201610249758A CN106568376A CN 106568376 A CN106568376 A CN 106568376A CN 201610249758 A CN201610249758 A CN 201610249758A CN 106568376 A CN106568376 A CN 106568376A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/003—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring position, not involving coordinate determination
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Abstract
The invention discloses a charging coil position detecting device, a coil deviation detecting method and apparatus, a capital construction terminal and an on-vehicle terminal, wherein the charging coil position detecting device includes a detecting unit including a k Hall magnetic field sensors located at the center of a circle and n Hall magnetic field sensors located on a circle corresponding to the center of a circle. The n+k Hall magnetic field sensors form an electromagnetic induction region. When a magnetic field is applied to the electromagnetic induction region, each of the Hall magnetic field sensors generates an electric signal used for computing the position of a charging coil to be detected. The n is a positive integer. The charging coil position detecting device has advantages of improving the detecting accuracy of the position of the charging coil to be detected and improving wireless charging efficiency.
Description
Technical field
The present invention relates to electric automobile field, more particularly to charge coil position detecting device, coil offset
Detection method, device and capital construction end and vehicle-mounted end.
Background technology
Peter out with fossil energy and increasingly sharpen with environmental pollution, the mankind are seeking more green clear
Clean alternative energy source and the life style of energy-conserving and environment-protective.To alleviate dependence journey of the orthodox car to fossil energy
The discharge capacity of tail gas is spent and reduces, electric automobile is a kind of preferable solution.Electric automobile is by electric energy
Be converted into determination power, the characteristics of with zero-emission, no pollution, can substantially reduce to fossil energy according to
Bad degree, reduces the discharge capacity of tail gas.Electric automobile is increasingly becoming the important side of motor vehicles future development
To at present many national governments are all being supported and Popularization And Development electric automobile energetically.
At present, charging electric vehicle mainly uses wired charging and wireless charging two ways.It is wired
Although the efficiency that charges is higher, charging process is dumb, needs to plug charging cable repeatedly, there is cunning
Dynamic abrasion, wire be aging and the potential safety hazard such as contact electric spark.In addition in place installation, charging station
Build similar with conventional gasoline station, by place restriction is built, construction cost is very big.
Wireless charging can overcome disadvantages mentioned above, be kept completely separate using a former secondary, without electrical connection
Transformer, realizes that electric energy is passed through air between former secondary using the mutual magnetic coupling of former secondary
It is defeated.Obviously, remove the direct electrical connection of electric automobile and charge power supply, realize being wirelessly transferred for electric energy,
Electric automobile frequent charge during traveling can be then made, and reduces the artificial operation ring in charging process
Section.So, wireless power transmission is in current accumulator of electric car energy storage capacity deficiency, volume weight
Under the huge, background that involves great expense, the effective solution of " distributed charging " is realized.Wireless charging
Electric automobile cost can be reduced, shortened battery charge time, improved charging security, make electric automobile
Use it is more convenient comfortable.
The transformer of the loose coupling in wireless charging system, the gap between primary coil and secondary coil is non-
Chang great, realizes that electric energy is transmitted using the magnetic induction of primary coil and secondary coil and the mode of resonance.Former limit
Coil is extremely important with the relative position of secondary coil, if the coil offset of former limit or secondary is excessive,
Charge efficiency can be caused to reduce, or even cannot electric energy transmission.
The content of the invention
The present invention provides a kind of charge coil position detecting device, coil offset detection method, device and base
Build end and vehicle-mounted end, it is intended to the degree of accuracy to charge coil position to be detected.
For achieving the above object, the present invention provides a kind of charge coil position detecting device, including detection list
Unit, the detector unit includes being located at the k Hall magnetic field sensor and the n on circumference of circle centre position
Individual Hall magnetic field sensor, n+k Hall magnetic field sensor forms electromagnetic induction region；
When magnetic field is loaded to the electromagnetic induction region, each Hall magnetic field sensor generates telecommunications
Number, so that the position for calculating charge coil to be detected uses；
Wherein, the value of n is positive integer.
N Hall magnetic field sensor being preferably located on circumference is arranged along the even circumferential.
Preferably, the detector unit includes the m concentric circumferences surrounded by Hall magnetic field sensor,
The value of m is the positive integer more than or equal to 2.
Preferably, the distance between adjacent Hall magnetic field sensor in adjacent circumferential, on same circumference
The distance between adjacent Hall magnetic field sensor is quite.
For achieving the above object, the present invention also provides a kind of based on above-mentioned charge coil position detecting device
Coil offset detection method, the coil offset detection method includes：
Obtain the electricity of each Hall magnetic field sensor when the charge coil position detecting device is placed in magnetic field
Signal；
It is corresponding with the electric signal of each Hall magnetic field sensor according to the electric signal of each Hall magnetic field sensor
Setting electric signal span, determine Hall magnetic field of the electric signal not in its corresponding span
Sensor；
When the number of the Hall magnetic field sensor determined is more than 0, the position of charge coil to be detected is determined
Skew predeterminated position is put, otherwise, it determines charge coil to be detected is in predeterminated position.
Preferably, the electric signal according to each Hall magnetic field sensor and each Hall magnetic field sensor
Electric signal it is corresponding setting electric signal span, determine electric signal not in its corresponding span
The step of interior Hall magnetic field sensor, specifically includes：
The intensity of predeterminated position, the position in electromagnetic induction region and magnetic field according to charge coil to be detected
Calculate, the span of the electric signal of each Hall magnetic field sensor；
By obtain each Hall magnetic field sensor electric signal respectively with the maximum of corresponding span
It is compared with minimum of a value；
When the electric signal of each Hall magnetic field sensor for obtaining is more than the maximum or little of correspondence span
When minimum of a value, determine the electric signal of the Hall magnetic field sensor not in its corresponding span.
For achieving the above object, the present invention also provides a kind of based on above-mentioned charge coil position detecting device
Coil offset detection means, the coil offset detection means includes：
Acquisition module, for obtaining each Hall when the charge coil position detecting device is placed in magnetic field
The electric signal of magnetic field sensor；
Determining module, for according to the electric signal of each Hall magnetic field sensor and each Hall magnetic field sensing
The span of the corresponding setting electric signal of electric signal of device, determines electric signal not in its corresponding value model
Enclose interior Hall magnetic field sensor；
Judge module, for when the number of the Hall magnetic field sensor determined is more than 0, determining to be checked
The position skew predeterminated position of charge coil is surveyed, otherwise, it determines charge coil to be detected is in predeterminated position.
Preferably, the determining module includes：
Computing unit, for according to the position of the predeterminated position of charge coil to be detected, electromagnetic induction region
And the intensitometer in magnetic field is calculated, the span of the electric signal of each Hall magnetic field sensor；
Comparing unit, for the electric signal of each Hall magnetic field sensor for obtaining to be taken respectively with corresponding
The maximum and minimum of a value of value scope is compared；
Determining unit, for when the electric signal of each Hall magnetic field sensor for obtaining is more than correspondence value model
The maximum enclosed or during less than minimum of a value, determines that the electric signal of the Hall magnetic field sensor is not corresponding at its
Span.
For achieving the above object, the present invention also provides a kind of capital construction end, including transmitting coil, charge coil
Position detecting device, and coil offset detection means；The charge coil position detecting device is arranged on institute
State transmitting coil surface；
Wherein, the charge coil position detecting device includes detector unit, and the detector unit includes position
The n Hall magnetic field sensor in k Hall magnetic field sensor of circle centre position and on circumference, n+k
Individual Hall magnetic field sensor forms electromagnetic induction region；When magnetic field is loaded to the electromagnetic induction region,
Each Hall magnetic field sensor generates electric signal, so that the position for calculating charge coil to be detected uses；
Wherein, the value of n is positive integer；
The coil offset detection means includes：
Acquisition module, for obtaining each Hall when the charge coil position detecting device is placed in magnetic field
The electric signal of magnetic field sensor；
Determining module, for according to the electric signal of each Hall magnetic field sensor and each Hall magnetic field sensing
The span of the corresponding setting electric signal of electric signal of device, determines electric signal not in its corresponding value model
Enclose interior Hall magnetic field sensor；
Judge module, for when the number of the Hall magnetic field sensor determined is more than 0, determining to be checked
The position skew predeterminated position of charge coil is surveyed, otherwise, it determines charge coil to be detected is in predeterminated position.
Preferably, the capital construction end also includes display device, and the display device is examined with the coil offset
Device electrical connection is surveyed, for showing current location and the predeterminated position of charge coil to be detected.
For achieving the above object, the present invention also provides a kind of vehicle-mounted end, including receiving coil, charge coil
Position detecting device, and coil offset detection means；The charge coil position detecting device is arranged on institute
State receiving coil surface；
Wherein, the charge coil position detecting device includes detector unit, and the detector unit includes position
The n Hall magnetic field sensor in k Hall magnetic field sensor of circle centre position and on circumference, n+k
Individual Hall magnetic field sensor forms electromagnetic induction region；When magnetic field is loaded to the electromagnetic induction region,
Each Hall magnetic field sensor generates electric signal, so that the position for calculating charge coil to be detected uses；
Wherein, the value of n is positive integer；
The coil offset detection means includes：
Acquisition module, for obtaining each Hall when the charge coil position detecting device is placed in magnetic field
The electric signal of magnetic field sensor；
Determining module, for according to the electric signal of each Hall magnetic field sensor and each Hall magnetic field sensing
The span of the corresponding setting electric signal of electric signal of device, determines electric signal not in its corresponding value model
Enclose interior Hall magnetic field sensor；
Judge module, for when the number of the Hall magnetic field sensor determined is more than 0, determining to be checked
The position skew predeterminated position of charge coil is surveyed, otherwise, it determines charge coil to be detected is in predeterminated position.
The present invention is by the way that by k+n Hall magnetic field sensor, k Hall magnetic field sensor is arranged on circle
At the heart, m Hall magnetic field sensor is arranged on circumference corresponding with the center of circle so that k+n Hall magnetic
Field sensor forms electromagnetic induction region, then laterally electric in the position of charge coil to be detected or capital construction
Magnetic induction region adds loaded magnetic field, such that it is able to obtain the current electrical signal intensity generated by induction areas
(curtage value)；By preferable or default magnetic field loading position, electric signal can be calculated strong
The ideal range of degree；If current electrical signal intensity is in the ideal range, charge coil to be detected is illustrated
Position meet charging requirement without the need for change, when current electrical signal intensity not in the ideal range when, say
The position of bright charge coil to be detected offset by predeterminated position, should adjust；It is arranged such and is conducive to improving
The precision for waiting to fill detection electric coil position is detected, is conducive to improving wireless charging efficiency
Description of the drawings
Fig. 1 is the structural representation of the embodiment of charge coil position detecting device one of the present invention；
Fig. 2 is the structural representation of another embodiment of charge coil position detecting device of the present invention；
Fig. 3 is the structural representation of the embodiment of wireless charging system of the present invention；
Fig. 4 is the schematic flow sheet of coil offset detection method first embodiment of the present invention；
Fig. 5 is the schematic flow sheet of coil offset detection method second embodiment of the present invention；
Fig. 6 is the high-level schematic functional block diagram of coil offset detection means first embodiment of the present invention；
Fig. 7 is the high-level schematic functional block diagram of coil offset detection means second embodiment of the present invention.
The realization of the object of the invention, functional characteristics and advantage will be done referring to the drawings further in conjunction with the embodiments
Explanation.
Specific embodiment
It should be appreciated that specific embodiment described herein is not used to limit only to explain the present invention
The fixed present invention.
The present invention provides a kind of charge coil position detecting device, and as shown in Figure 1 to Figure 3, Fig. 1 is the present invention
The structural representation of the embodiment of charge coil position detecting device one；Fig. 2 is charge coil position of the present invention inspection
Survey the structural representation of another embodiment of device；Fig. 3 is the structure of the embodiment of wireless charging system of the present invention
Schematic diagram.The charge coil position detecting device includes detector unit, and the detector unit includes being located at
K Hall magnetic field sensor of circle centre position and the n Hall magnetic field sensor on circumference, n+k Hall
Magnetic field sensor forms electromagnetic induction region, wherein, the value of n is positive integer.When to the electromagnetic induction
When region adds loaded magnetic field, each Hall magnetic field sensor generates electric signal, for calculating to be detected filling
The position of electric coil uses.
Specifically, in the present embodiment, Hall magnetic field sensor is used to detecting the direction in its periphery magnetic field and strong
Degree, and the magnetic direction for detecting and intensity are generated into electric signal.Electric signal can be current signal,
It can be voltage signal.Wherein, the position here of magnetic field loading is not limited, can be from charging to be detected
Load at coil, it is also possible to from the loading of capital construction end.As a example by from the loading of capital construction end, by charging wire to be detected
Circle is set to the receiving coil 300 of vehicle-mounted end, and charge coil position detecting device is arranged on the transmitting of vehicle-mounted end
The top of coil 200.When capital construction end to vehicle-mounted end plus during loaded magnetic field, magnetic induction line is from capital construction end to vehicle-mounted end
Extend to constitute the closed-loop path of magnetic induction line.The direction that magnetic induction line passes through charge coil position detecting device,
It is corresponding with the current location of vehicle-mounted end, when vehicle-mounted end be located at capital construction end surface when, magnetic induction line perpendicular to
Electromagnetic induction region, when vehicle-mounted end is located at the oblique upper at capital construction end, magnetic induction line is in electromagnetic induction region
Angle is arranged, i.e., magnetic induction line sideling passes through induction areas.Certainly, the charge coil position detection dress
Put the support that can also include for fixing n+k Hall magnetic field sensor 100, i.e., n+k Hall magnetic
Field sensor 100 is fixedly installed on the default position of support, is filled in order to the detection of charge coil position
The movement put and maintenance.The shape of support can have a lot, such as could be arranged to square, it is also possible to set
It is set to circle etc..Wherein, the distance between adjacent Hall magnetic field sensor here is not specifically limited, can
According to the induction range of each Hall magnetic field sensor to arrange, can also arrange according to actual needs；
The distance between adjacent Hall magnetic field sensor, can be with identical, it is also possible to different, but by Hall magnetic field
After the position of sensor sets, the relative position of Hall magnetic field sensor should not be adjusted.Detect
During Hall magnetic field sensor relative position and distance, should be with charge coil to be detected default
Relative position during position with apart from identical.Certainly, can connect a number of on wire according to demand
Various components and parts, such as resistance, electric capacity, inductance, transformer.Hall magnetic field sensor 100 is arranged in
In the same face, i.e., the circumference is the circumference with the center of circle as the center of circle.
XOY rectangular coordinate systems are such as set up in figure, O is the point of interface of x-axis and y-axis, with O as the center of circle,
Radius does circle for r, at the O of the center of circle, and Hall magnetic field sensor provided circumferentially about.Wherein, on circumference
Adjacent two Hall magnetic fields sensor between circular arc corresponding to angle of circumference be Δ θ, i.e., n Hall magnetic field
Sensor is evenly distributed on circumference, wherein, the relation between n and Δ θ can pass through equation below body
It is existing：
n≥1；
When the quantity of Hall magnetic field sensor is k=1, when n=4, Hall magnetic field sensor is installed
In the center of rectangular surfaces and four diagonal positions.Hall magnetic field sensor energy induced field size and Orientation is believed
Number, and magnetic field size and Orientation is converted into into the electric signal of respective intensities.Above-mentioned Hall magnetic field sensor
Number k=1, n=4 is a kind of specific implementation, but practical application is not limited to this concrete implementation side
Formula, it is also possible to be adjusted according to actual needs, can install as needed in place.
As a example by Hall magnetic field sensor is installed in a symmetrical manner, symmetrical mode can be that x/y plane is multi-party
To symmetrical axial symmetry, or x/y plane on circular, fashion Central Symmetry.If Hall magnetic field is passed
Sensor on the emitter surface of capital construction side, just symmetric points centered on the emitter center of capital construction side, such as
Fruit Hall magnetic field sensor on vehicle-mounted side joint receiving apparatus and magnetic sheet surface, just with vehicle-mounted side joint receiving apparatus
Symmetric points centered on the heart.
When there is high-frequency induction electromagnetic field on the emitter of capital construction side, (this high-frequency induction electromagnetic field can be
Electromagnetic field, or other electromagnetic fields in POST during normal work) when, for example can be with
The frequency or low intensive electromagnetic field of difference normal operating conditions；Can also be independent on vehicle-mounted receiving device
Transmitting electromagnetic field etc. can realize launching the device of electromagnetic field function.It is possibly even the constant of static state
Magnetic field, such as offside of Hall magnetic field sensor test side is provided with different permanent magnets, or
Emitter or the logical direct current of reception device interior loop detect magnetic field etc. to produce.Installed in emitter
Or each the Hall magnetic field sensor in reception device, can detect relevant position magnetic field intensity and
The direction of the magnetic line of force.
The magnetic field intensity that each above-mentioned Hall magnetic field sensor will be detected, by detecting circuit preliminary treatment
After give data processor (such as MCU, DSP, ARM) process, detected big plane can be calculated
The magnetic field size in interior each region and trend, it is determined that Distribution of Magnetic Field substantially.This Distribution of Magnetic Field can be with
Real system is expected the Distribution of Magnetic Field without skew and is compared, it is determined whether there is emitter and reception device
Between skew.
When detect emitter and reception device just to when, if system uses symmetrical coil
And magnetic core, then the magnetic field on corresponding transmitter-receiver device is symmetrical, and detection means is calculated
The Distribution of Magnetic Field for going out is also symmetrical and corresponding with distribution is estimated.Concrete Distribution of Magnetic Field, sends out according to default
The alternation or static magnetic field for going out is relevant.
If emitter is no with reception device just right, when having certain skew, can caused magnetic field point
Cloth produces corresponding skew.If symmetrical coil, the Distribution of Magnetic Field of detection can produce skew.The magnetic
The distribution of field, can calculate or theoretical calculation, before and after calculating according to the actual prediction value of internal actual measurement
With drift rate, the mutual angle of left and right.If asymmetric coil, the changes in distribution in the magnetic field,
Still can be calculated or theoretical calculation according to the actual prediction value of internal actual measurement, with left and right before and after calculating
Drift rate, mutual angle.
It is understood that the span of electric signal can by cause charge coil charging effect preferably
Magnetic field loading position is determining.Magnetic field is loaded from the center of charge coil to be detected to electromagnetic induction region,
So that the curtage value in each Hall magnetic field sensor 100 is corresponding with the position and intensity that add loaded magnetic field.
Certainly, magnetic field can also correspond to transmitting coil 200 or the loading of correspondence electromagnetic induction region, with correspondence electromagnetism
As a example by the loading of region, magnetic induction line is from bottom to top arranged perpendicular to electromagnetic induction region.Charge coil to be detected
By taking the receiving coil 300 of automobile as an example, in automobile charging process, the receiving coil 300 of automobile with fill
The transmitting coil 200 in power station is corresponding.When receiving coil 300 is located at default position, receiving coil
300 is corresponding with transmitting coil 200, now, can calculate the electric signal of each Hall magnetic field sensor 100
Span.Can be calculated currently according to the position of current receiving coil 300 and current magnetic field intensity
Electrical signal intensity, when current electrical signal intensity is in span, receiving coil 300 is without inclined
Move, when current electrical signal intensity not in span when, receiving coil 300 offsets.
Certainly, in certain embodiments, in order to increase the detection zone of charge coil position detecting device,
Number of turns m of circumference can be set greater than or (can certainly be arranged according to actual conditions equal to 2
The number of turns)., with center of circle O as the center of circle, the quantity of the Hall magnetic field sensor on m circumference can for m circumference
With identical, it is also possible to different.When different, the Hall magnetic field sensor on circumference is that quantity is thoughtful by roundlet
Big circumference gradually increases, the mode of increase can in equal difference, etc. ratio or other regular increases.With regard to adjacent
The distance between Hall magnetic field sensor, in order to electromagnetic induction region as far as possible uniformly, the n on same circumference
Individual Hall magnetic field sensor is arranged along the even circumferential.Adjacent Hall magnetic field sensor in adjacent circumferential
The distance between, the distance between Hall magnetic field sensor adjacent with same circumference is quite.
In the present embodiment, by the way that by k+n Hall magnetic field sensor, k Hall magnetic field sensor sets
Put in circle centre position, m Hall magnetic field sensor is arranged on circumference corresponding with the center of circle so that k+n
Hall magnetic field sensor forms electromagnetic induction region, then in the position of charge coil to be detected or capital construction
Lateral electromagnetic induction region loading magnetic field, such that it is able to obtain the current telecommunications generated by induction areas
Number intensity (curtage value)；By preferable or default magnetic field loading position, electricity can be calculated
The ideal range of signal strength signal intensity；If current electrical signal intensity is in the ideal range, to be detected filling is illustrated
The position of electric coil meet charging requirement without the need for change, when current electrical signal intensity not in the ideal range
When, the position for illustrating charge coil to be detected offset by predeterminated position, should adjust；It is arranged such favourable
The precision for waiting to fill detection electric coil position is detected in improving, is conducive to improving wireless charging efficiency.
The present invention also provides a kind of coil offset detection side based on above-mentioned charge coil position detecting device
Method, as shown in figure 4, the schematic flow sheet of coil offset detection method first embodiment of the present invention is shown,
The coil offset detection method includes：
Magnetic is loaded from charge coil to be detected to the electromagnetic induction region of the charge coil position detecting device
；In the present embodiment, by taking receiving coil 300 as an example, magnetic field is from receiving coil 300 for charge coil to be detected
Center to electromagnetic induction region load.Certainly, in certain embodiments, the loading position in magnetic field
The loading position that can have default distance, i.e. magnetic field with receiving coil 300 has with receiving coil 300
There is corresponding position relationship.Certainly, magnetic field can also correspond to transmitting coil 200 or correspondence induction areas
Domain loads, and by taking the loading of correspondence electromagnetic spectrum as an example, magnetic induction line from bottom to top sets perpendicular to electromagnetic induction region
Put.
Each Hall magnetic field sensor when S10, the acquisition charge coil position detecting device are placed in magnetic field
100 electric signal；
Coil offset detection method of the present invention is implemented based on wireless charging system, the wireless charging system
Including capital construction end and vehicle-mounted end, vehicle-mounted end includes receiving coil 300, receiving terminal circuit and controller, vehicle-mounted
Battery etc., capital construction end is to be embedded in underground part, including transmitting coil 200, transmitting terminal circuit and control
Device, also including the charge coil position detecting device and offset detection circuit in above-described embodiment.It is described to connect
Take-up circle 300 is used for the electric energy of the transmitting coil 200 for receiving capital construction end, through receiving terminal circuit and control
Device is converted into the electric energy of battery needs, and on-vehicle battery is charged.Charge coil position detecting device is applied
It is located at the surface of the transmitting coil 200, each Hall magnetic field on the charge coil position detecting device
The detection signal (voltage signal or current signal) of sensor 100, by charge coil position detecting device
The controller that capital construction end is sent to after internal detection processing of circuit (can also be the control independently of capital construction end
One processor of device) carry out offset detection analyzing and processing.
Because the changes of magnetic field of transmitting coil 200 may be than larger, therefore Hall magnetic field sensor 100
On change in electric scope it is larger, can on-line control detect circuit gain by way of realize on a large scale
The accurate detection of signal, for example, can according to through-put power size on-line control by the controller at capital construction end
The mode of variable-gain amplifier is realized.
S20, according to each Hall magnetic field sensor 100 on the preset charge coil position detecting device
Electric signal span, determine the electric signal of the Hall magnetic field sensor 100 for getting not at it
Hall magnetic field sensor 100 in corresponding span；
In the present embodiment, the span of the electric signal of each Hall magnetic field sensor 100, according to following
Several conditions are calculating：The loading position in magnetic field, the loading position in magnetic field and preferable (wireless charging effect
The position correspondence of charge coil to be detected well), the i.e. loading position in magnetic field and preferable charging to be detected
There is corresponding position relationship between the position of coil, preferably the position of charge coil to be detected is default
Position；The intensity in magnetic field, according to electromagnetic induction away from magnetic field intensity affects the size of curtage；
The position in the correspondence of Hall magnetic field sensor 100 magnetic field, no matter whether magnetic field is the magnetic field of uniform load, leads to
The magnetic flux for crossing different Hall magnetic field sensors 100 is not necessarily identical so that each Hall magnetic field sensor
100 curtage is different；Error range, after calculating the curtage of standard, should provide one
Fixed error range, thus generates the span of the corresponding electric signal of each Hall magnetic field sensor 100.
In the present embodiment, by taking voltage as an example, each is being got on the charge coil position detecting device
After the current voltage of Hall magnetic field sensor 100, according to the preset charge coil position detecting device
The span of the voltage of upper each Hall magnetic field sensor 100, by comparing the voltage for detecting and phase
The size of the boundary value in span is answered, judges that the current voltage of each Hall magnetic field sensor 100 is
It is no in corresponding span such that it is able to determine the Hall magnetic field sensor 100 for getting
The voltage at two ends Hall magnetic field sensor 100 not in its corresponding span, and can further count
Go out the number of determined Hall magnetic field sensor 100.
S30, the Hall magnetic field sensor 100 determined number be more than 0 when, determine charging to be detected
The position skew predeterminated position of coil, otherwise, it determines charge coil to be detected is in predeterminated position.
Each Hall magnetic field sensor 100 has respective curtage span, when one of them
The magnitude of voltage or current value of Hall magnetic field sensor 100 not in its span when, illustrate to be carried in this
Magnetic field on Hall magnetic field sensor 100 is different from default magnetic field, and (of different sizes, direction is different or position
Put difference), illustrate plus the position of loaded magnetic field is different from predeterminated position.Due to magnetic field and charge coil to be detected
Position relationship, magnetic field loading position skew then illustrate that the position of charge coil to be detected there occurs skew.
Coil offset detection method proposed by the present invention, by according to preferable magnetic field loading position, calculating
Go out the span of electrical signal intensity；By adding loaded magnetic field from charge coil to be detected (or from fixation
Load at charge coil), and calculate current electrical signal intensity；Compare current electrical signal intensity with it is right
The critical value of the span answered, if current electrical signal intensity is in span, illustrates to be detected
The position of charge coil meets charging requirement without the need for changing, if current electrical signal intensity is not in preferable model
When enclosing interior, the position for illustrating charge coil to be detected offset by predeterminated position, should adjust；It is arranged such
Be conducive to improving and detect the precision for waiting to fill detection electric coil position, be conducive to improving wireless charging efficiency.
Further, with reference to Fig. 5, Fig. 5 is the flow process of coil offset detection method second embodiment of the present invention
Schematic diagram；Step S20 is specifically included：
S21：Predeterminated position, the position in electromagnetic induction region and magnetic field according to charge coil to be detected
Intensitometer is calculated, the span of the electric signal of each Hall magnetic field sensor 100；
In the present embodiment, predeterminated position is the optimal position of charge coil charging effect to be detected, electromagnetism sense
Answer region to be determined according to charge coil position detecting device, be typically laid on transmitting coil 200 or receive
The surface of coil 300.According to the position in each Hall magnetic field sensor 100 correspondence magnetic field, obtain logical
Cross the magnetic flux of individual Hall magnetic field sensor 100, so as to calculate each Hall magnetic field sensor 100,
The position optimal with charge coil charging effect to be detected is corresponding, electric signal span.
S22：By obtain each Hall magnetic field sensor 100 electrical signal intensity respectively with corresponding value
The maximum and minimum of a value of scope is compared；
Because magnetic field intensity and loading position are possible to different so that each Hall magnetic field sensor 100 it is right
The magnetic flux answered is also different, so as to there are different spans.The mode of the comparison of curtage has
A lot, can be realized by the Comparison Circuit of curtage, it is also possible to by the way that curtage is turned
Other electric signals are changed to, then compare again to realize.
S23：When the electrical signal intensity of each Hall magnetic field sensor 100 for obtaining is more than correspondence span
Maximum or during less than minimum of a value, determine that the electric signal of the Hall magnetic field sensor 100 is not corresponding at its
Span.
The electric signal of each Hall magnetic field sensor 100 is carried out respectively with the maximum of corresponding span
Relatively, when current electric signal is more than maximum, the electric signal of the Hall magnetic field sensor 100 exceeds
Span；When current electric signal is less than maximum, current electric signal and minimum of a value are compared, when
When current electric signal is less than minimum of a value, the electric signal of the Hall magnetic field sensor 100 exceeds span；
When current electric signal be more than minimum of a value when, the Hall magnetic field sensor 100 without departing from span.
The present invention also provides a kind of coil offset detection dress based on above-mentioned charge coil position detecting device
Put, as shown in fig. 6, the functional module for showing coil offset detection means first embodiment of the present invention is shown
It is intended to, the coil offset detection means includes：
Load-on module, for from charge coil to be detected to the electromagnetism of the charge coil position detecting device
Induction region adds loaded magnetic field；In the present embodiment, charge coil to be detected by taking receiving coil 300 as an example, magnetic
Field loads from the center of receiving coil 300 to electromagnetic induction region.Certainly, in certain embodiments,
The loading position in magnetic field can also have the loading position in default distance, i.e. magnetic field with receiving coil 300
There is corresponding position relationship with receiving coil 300.Certainly, magnetic field can also correspond to transmitting coil 200
Or the loading of correspondence electromagnetic induction region, by taking the loading of correspondence electromagnetic spectrum as an example, magnetic induction line is from bottom to top vertical
Arrange in electromagnetic induction region.
Acquisition module 10, for obtaining when the charge coil position detecting device is placed in magnetic field each suddenly
The electric signal of your magnetic field sensor 100；
Coil offset detection method of the present invention is implemented based on wireless charging system, the wireless charging system
Including capital construction end and vehicle-mounted end, vehicle-mounted end includes receiving coil 300, receiving terminal circuit and controller, vehicle-mounted
Battery etc., capital construction end is to be embedded in underground part, including transmitting coil 200, transmitting terminal circuit and control
Device, also including the charge coil position detecting device and offset detection circuit in above-described embodiment.It is described to connect
Take-up circle 300 is used for the electric energy of the transmitting coil 200 for receiving capital construction end, through receiving terminal circuit and control
Device is converted into the electric energy of battery needs, and on-vehicle battery is charged.Charge coil position detecting device is applied
It is located at the surface of the transmitting coil 200, each Hall magnetic field on the charge coil position detecting device
The detection signal (voltage signal or current signal) of sensor 100, by charge coil position detecting device
The controller that capital construction end is sent to after internal detection processing of circuit (can also be the control independently of capital construction end
One processor of device) carry out offset detection analyzing and processing.
Because the changes of magnetic field of transmitting coil 200 may be than larger, therefore Hall magnetic field sensor 100
On change in electric scope it is larger, can on-line control detect circuit gain by way of realize on a large scale
The accurate detection of signal, for example, can according to through-put power size on-line control by the controller at capital construction end
The mode of variable-gain amplifier is realized.
Determining module 20, for according to each Hall magnetic on the preset charge coil position detecting device
The span of the electric signal of field sensor 100, determines the Hall magnetic field sensor 100 that gets
Electric signal Hall magnetic field sensor 100 not in its corresponding span；
In the present embodiment, the span of the electric signal of each Hall magnetic field sensor 100, according to following
Several conditions are calculating：The loading position in magnetic field, the loading position in magnetic field and preferable (wireless charging effect
The position correspondence of charge coil to be detected well), the i.e. loading position in magnetic field and preferable charging to be detected
There is corresponding position relationship between the position of coil, preferably the position of charge coil to be detected is default
Position；The intensity in magnetic field, according to electromagnetic induction away from magnetic field intensity affects the size of curtage；
The position in the correspondence of Hall magnetic field sensor 100 magnetic field, no matter whether magnetic field is the magnetic field of uniform load, leads to
The magnetic flux for crossing different Hall magnetic field sensors 100 is not necessarily identical so that each Hall magnetic field sensor
100 curtage is different；Error range, after calculating the curtage of standard, should provide one
Fixed error range, thus generates the span of the corresponding electric signal of each Hall magnetic field sensor 100.
In the present embodiment, by taking voltage as an example, each is being got on the charge coil position detecting device
After the current voltage of Hall magnetic field sensor 100, according to the preset charge coil position detecting device
The span of the voltage of upper each Hall magnetic field sensor 100, by comparing the voltage for detecting and phase
The size of the boundary value in span is answered, judges that the current voltage of each Hall magnetic field sensor 100 is
It is no in corresponding span such that it is able to determine the Hall magnetic field sensor 100 for getting
The voltage at two ends Hall magnetic field sensor 100 not in its corresponding span, and can further count
Go out the number of determined Hall magnetic field sensor 100.
Judge module 30, for the number of the Hall magnetic field sensor 100 determined be more than 0 when, really
The position skew predeterminated position of fixed charge coil to be detected, otherwise, it determines charge coil to be detected is in pre-
If position.
Each Hall magnetic field sensor 100 has respective curtage span, when one of them
The magnitude of voltage or current value of Hall magnetic field sensor 100 not in its span when, illustrate to be carried in this
Magnetic field on Hall magnetic field sensor 100 is different from default magnetic field, and (of different sizes, direction is different or position
Put difference), illustrate plus the position of loaded magnetic field is different from predeterminated position.Due to magnetic field and from charging wire to be detected
The position relationship of circle, the loading position skew in magnetic field then illustrates that the position of charge coil to be detected there occurs partially
Move.
Coil offset detection method proposed by the present invention, by according to preferable magnetic field loading position, calculating
Go out the span of electrical signal intensity；By adding loaded magnetic field from charge coil to be detected (or from fixation
Load at charge coil), and calculate current electrical signal intensity；Compare current electrical signal intensity with it is right
The critical value of the span answered, if current electrical signal intensity is in span, illustrates to be detected
The position of charge coil meets charging requirement without the need for changing, if current electrical signal intensity is not in preferable model
When enclosing interior, the position for illustrating charge coil to be detected offset by predeterminated position, should adjust；It is arranged such
Be conducive to improving and detect the precision for waiting to fill detection electric coil position, be conducive to improving wireless charging efficiency.
Further, with reference to Fig. 7, Fig. 7 is the function of coil offset detection means second embodiment of the present invention
Module diagram.Determining module 30 is specifically included：
Computing unit 21, for according to the position of the predeterminated position of charge coil to be detected, electromagnetic induction region
Put and the intensitometer in magnetic field is calculated, the span of the electric signal of each Hall magnetic field sensor 100；
In the present embodiment, predeterminated position is the optimal position of charge coil charging effect to be detected, electromagnetism sense
Answer region to be determined according to charge coil position detecting device, be typically laid on transmitting coil 200 or receive
The surface of coil 300.According to the position in each Hall magnetic field sensor 100 correspondence magnetic field, obtain logical
Cross the magnetic flux of individual Hall magnetic field sensor 100, so as to calculate each Hall magnetic field sensor 100,
The position optimal with charge coil charging effect to be detected is corresponding, electric signal span.
Comparing unit 22, for will obtain each Hall magnetic field sensor 100 electric signal respectively with it is right
The maximum and minimum of a value of the span answered is compared；
Because magnetic field intensity and loading position are possible to different so that each Hall magnetic field sensor 100 it is right
The magnetic flux answered is also different, so as to there are different spans.The mode of the comparison of curtage has
A lot, can be realized by the Comparison Circuit of curtage, it is also possible to by the way that curtage is turned
Other electric signals are changed to, then compare again to realize.
Determining unit 23, for when the electric signal of each Hall magnetic field sensor 100 for obtaining is more than correspondence
The maximum of span or during less than minimum of a value, determines the electric signal of the Hall magnetic field sensor 100 not
In its corresponding span.
The electric signal of each Hall magnetic field sensor 100 is carried out respectively with the maximum of corresponding span
Relatively, when current electric signal is more than maximum, the electric signal of the Hall magnetic field sensor 100 exceeds
Span；When current electric signal is less than maximum, current electric signal and minimum of a value are compared, when
When current electric signal is less than minimum of a value, the electric signal of the Hall magnetic field sensor 100 exceeds span；
When current electric signal be more than minimum of a value when, the Hall magnetic field sensor 100 without departing from span.
The present invention also provides a kind of capital construction end, including transmitting coil 200, charge coil position detecting device,
With coil offset detection means；The charge coil position detecting device is arranged on the transmitting coil 200
Surface.Capital construction end includes all technologies of charge coil position detecting device and coil offset detection means
Feature, therefore capital construction end also has the technique effect that the two is brought, and will not be described here.
The present invention also provides a kind of vehicle-mounted end, including receiving coil 300, charge coil position detecting device,
With coil offset detection means；The charge coil position detecting device is arranged on the receiving coil 300
Receiving side.Vehicle-mounted end includes all of charge coil position detecting device and coil offset detection means
Technical characteristic, therefore vehicle-mounted end also has the technique effect that the two is brought, and will not be described here.
The present invention also provides a kind of wireless charging system, as shown in figure 3, showing wireless charging of the present invention
The structural representation of the embodiment of system one.Wireless charging system includes capital construction end and vehicle-mounted end, the capital construction
The surface of transmitting coil 200 at end is laid with charge coil position detecting device, and the capital construction end includes coil
Offset detecting device；Or；The surface of receiving coil 300 of the vehicle-mounted end is laid with the inspection of electric coil position
Device is surveyed, the vehicle-mounted end includes coil offset detection means.That is charge coil position detecting device and line
Circle offset detecting device can simultaneously be arranged on capital construction end, it is also possible to while being arranged on vehicle-mounted end.
Further, the wireless charging system also includes display device, the display device and the line
Circle offset detecting device electrical connection, for show the charge coil position detecting device for obtaining it is each suddenly
The distribution map of the electrical signal intensity of your magnetic field sensor 100, and show the charge coil position for calculating
The span distribution map of the electric signal of each Hall magnetic field sensor 100 of detection means.Certainly, exist
Once in embodiment, in order that user intuitively knows that current parking stall puts the deviation with predeterminated position, show
Showing device can be used for showing current location and the predeterminated position of charge coil to be detected, i.e. display automobile
Current location and predeterminated position.
Specifically, in the present embodiment, by the value of the curtage of each Hall magnetic field sensor 100
Scope is shown on the display apparatus by the form of image, in other words by each Hall magnetic field sensor 100
The span of curtage show on the display apparatus to form image range；By working as detecting
Front electrical signal intensity displays that on the display apparatus, the current electric signal of each Hall magnetic field sensor 100
The present image that intensity is formed is compared with image range, when present image is in image range, is treated
Detection charge coil does not shift.
In the present embodiment, by the way that electrical signal intensity is converted into into image, user is set intuitively to know to treat
Whether the current location of detection charge coil is suitable, is conducive to user more accurately and fast to adjust to be checked
Survey charge coil position.
Certainly, in certain embodiments, display device can also belong to the coil offset in above-described embodiment
Detection means, vehicle-mounted end or capital construction end.Display device coil offset detecting device, vehicle-mounted end or
The effect at capital construction end is identical with the effect in wireless charging system, will not be described here.
The preferred embodiments of the present invention are these are only, the scope of the claims of the present invention is not thereby limited, it is every
The equivalent structure made using description of the invention and accompanying drawing content or equivalent flow conversion, or directly or
Connect and be used in other related technical fields, be included within the scope of the present invention.
Claims (10)
1. a kind of charge coil position detecting device, it is characterised in that including detector unit, the detection
Unit includes being located at k Hall magnetic field sensor of circle centre position and on circumference corresponding with the center of circle
N Hall magnetic field sensor, n+k Hall magnetic field sensor forms electromagnetic induction region；
When magnetic field is loaded to the electromagnetic induction region, each Hall magnetic field sensor generates telecommunications
Number, so that the position for calculating charge coil to be detected uses；
Wherein, the value of k and n is positive integer.
2. charge coil position detecting device as claimed in claim 1, it is characterised in that positioned at circumference
On n Hall magnetic field sensor arrange along the even circumferential.
3. charge coil position detecting device as claimed in claim 1, it is characterised in that the detection
Unit includes the concentric circumferences that m is surrounded by Hall magnetic field sensor, the value of m be more than or equal to
2 positive integer.
4. charge coil position detecting device as claimed in claim 3, it is characterised in that adjacent circumferential
On the distance between adjacent Hall magnetic field sensor, Hall magnetic field sensor adjacent with same circumference it
Between distance it is suitable.
5. a kind of coil of the charge coil position detecting device based on as described in any one of claim 1-4
Bias detecting method, it is characterised in that the coil offset detection method includes：
Obtain the electricity of each Hall magnetic field sensor when the charge coil position detecting device is placed in magnetic field
Signal；
According to the electric signal setting electricity corresponding with each Hall magnetic field sensor of each Hall magnetic field sensor
The span of signal, determines Hall magnetic field sensor of the electric signal not in its corresponding span；
When the number of the Hall magnetic field sensor determined is more than 0, the position of charge coil to be detected is determined
Skew predeterminated position is put, otherwise, it determines charge coil to be detected is in predeterminated position.
6. coil offset detection method as claimed in claim 5, it is characterised in that described according to each
The value model of the electric signal of Hall magnetic field sensor setting electric signal corresponding with each Hall magnetic field sensor
Enclose, determine electric signal not Hall magnetic field sensor in its corresponding span the step of specifically include：
The intensity of predeterminated position, the position in electromagnetic induction region and magnetic field according to charge coil to be detected
Calculate, the span of the electric signal of each Hall magnetic field sensor；
By obtain each Hall magnetic field sensor electric signal respectively with the maximum of corresponding span
It is compared with minimum of a value；
When the electric signal of each Hall magnetic field sensor for obtaining is more than the maximum or little of correspondence span
When minimum of a value, determine the electric signal of the Hall magnetic field sensor not in its corresponding span.
7. a kind of coil of the charge coil position detecting device based on as described in any one of claim 1-4
Offset detecting device, it is characterised in that the coil offset detection means includes：
Acquisition module, for obtaining each Hall when the charge coil position detecting device is placed in magnetic field
The electric signal of magnetic field sensor；
Determining module, for according to the electric signal of each Hall magnetic field sensor and each Hall magnetic field sensing
The span of the corresponding setting electric signal of electric signal of device, determines electric signal not in its corresponding value model
Enclose interior Hall magnetic field sensor；
Judge module, for when the number of the Hall magnetic field sensor determined is more than 0, determining to be checked
The position skew predeterminated position of charge coil is surveyed, otherwise, it determines charge coil to be detected is in predeterminated position.
8. coil offset detection means as claimed in claim 7, it is characterised in that the determining module
Including：
Computing unit, for according to the position of the predeterminated position of charge coil to be detected, electromagnetic induction region
And the intensitometer in magnetic field is calculated, the span of the electric signal of each Hall magnetic field sensor；
Comparing unit, for the electric signal of each Hall magnetic field sensor for obtaining to be taken respectively with corresponding
The maximum and minimum of a value of value scope is compared；
Determining unit, for when the electric signal of each Hall magnetic field sensor for obtaining is more than correspondence value model
The maximum enclosed or during less than minimum of a value, determines that the electric signal of the Hall magnetic field sensor is not corresponding at its
Span.
9. a kind of capital construction end, it is characterised in that including any one in transmitting coil, such as claim 1-4
Charge coil position detecting device described in, and coil offset detection as claimed in claim 7 or 8
Device；The charge coil position detecting device is arranged on the transmitting coil surface.
10. a kind of vehicle-mounted end, it is characterised in that including in receiving coil, such as claim 1-4 arbitrarily
Charge coil position detecting device described in one, and coil offset inspection as claimed in claim 7 or 8
Survey device；The charge coil position detecting device is arranged on the receiving side of the receiving coil.
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| CN201610249758.8A CN106568376A (en) | 2016-04-20 | 2016-04-20 | Charging coil position detecting device, coil deviation detecting method and apparatus, capital construction terminal and on-vehicle terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610249758.8A CN106568376A (en) | 2016-04-20 | 2016-04-20 | Charging coil position detecting device, coil deviation detecting method and apparatus, capital construction terminal and on-vehicle terminal |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019183782A1 (en) * | 2018-03-26 | 2019-10-03 | 华为技术有限公司 | Wireless charging alignment detection method, and electronic device |
| CN110549883A (en) * | 2019-08-30 | 2019-12-10 | 中兴新能源汽车有限责任公司 | Wireless charging state detection method, wireless charging pile and readable storage medium |
| CN111750766A (en) * | 2020-05-28 | 2020-10-09 | 哈尔滨工业大学 | PnP type wireless power transmission position detection device based on sensor array and detection method thereof |
| CN112152333A (en) * | 2019-06-28 | 2020-12-29 | 北京小米移动软件有限公司 | Information display method, device and storage medium |
| CN112152325A (en) * | 2019-06-28 | 2020-12-29 | 北京小米移动软件有限公司 | Coil position adjusting method, device and storage medium |
| CN112242754A (en) * | 2019-07-17 | 2021-01-19 | 北京小米移动软件有限公司 | Wireless charging positioning method and device and mobile terminal |
| CN112977141A (en) * | 2021-04-21 | 2021-06-18 | 北京有感科技有限责任公司 | Wireless charging guiding method for parking lot and wireless charging guiding method for vehicle |
| CN112994130A (en) * | 2019-12-16 | 2021-06-18 | 北京小米移动软件有限公司 | Wireless charging alignment method and device, electronic equipment and wireless charging equipment |
| CN113375549A (en) * | 2021-03-31 | 2021-09-10 | 华为技术有限公司 | Method, system and device for positioning guidance |
| CN113752883A (en) * | 2021-08-11 | 2021-12-07 | 镇江默勒电器有限公司 | AGV material distribution car positioning system based on high-speed information communication |
| CN114069893A (en) * | 2021-11-26 | 2022-02-18 | 歌尔科技有限公司 | Wireless charging base and system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10260002A (en) * | 1997-03-19 | 1998-09-29 | Kawasaki Heavy Ind Ltd | Non-contact type two-dimensional position measuring device and its method |
| CN102638080A (en) * | 2012-04-28 | 2012-08-15 | 东南大学 | Wireless charge-discharge parking space self-adaption device of electric automobile and application method thereof |
| WO2013175596A1 (en) * | 2012-05-23 | 2013-11-28 | パイオニア株式会社 | Power transmitting system, power transmitting method, power transmitting apparatus and power receiving apparatus |
| CN104485723A (en) * | 2014-12-31 | 2015-04-01 | 深圳市泰金田科技有限公司 | Positioning system of electric automobile wireless charging device |
| US20160025821A1 (en) * | 2014-07-25 | 2016-01-28 | Qualcomm Incorporated | Guidance and alignment system and methods for electric vehicle wireless charging systems |
| JP2016041009A (en) * | 2015-11-06 | 2016-03-24 | パイオニア株式会社 | Power transmission apparatus |
| CN205921464U (en) * | 2016-04-20 | 2017-02-01 | 中兴新能源汽车有限责任公司 | Charge coil position detecting device , coil skew detection device , capital construction end and on -vehicle end |
-
2016
- 2016-04-20 CN CN201610249758.8A patent/CN106568376A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10260002A (en) * | 1997-03-19 | 1998-09-29 | Kawasaki Heavy Ind Ltd | Non-contact type two-dimensional position measuring device and its method |
| CN102638080A (en) * | 2012-04-28 | 2012-08-15 | 东南大学 | Wireless charge-discharge parking space self-adaption device of electric automobile and application method thereof |
| WO2013175596A1 (en) * | 2012-05-23 | 2013-11-28 | パイオニア株式会社 | Power transmitting system, power transmitting method, power transmitting apparatus and power receiving apparatus |
| US20160025821A1 (en) * | 2014-07-25 | 2016-01-28 | Qualcomm Incorporated | Guidance and alignment system and methods for electric vehicle wireless charging systems |
| CN104485723A (en) * | 2014-12-31 | 2015-04-01 | 深圳市泰金田科技有限公司 | Positioning system of electric automobile wireless charging device |
| JP2016041009A (en) * | 2015-11-06 | 2016-03-24 | パイオニア株式会社 | Power transmission apparatus |
| CN205921464U (en) * | 2016-04-20 | 2017-02-01 | 中兴新能源汽车有限责任公司 | Charge coil position detecting device , coil skew detection device , capital construction end and on -vehicle end |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019183782A1 (en) * | 2018-03-26 | 2019-10-03 | 华为技术有限公司 | Wireless charging alignment detection method, and electronic device |
| CN112152333A (en) * | 2019-06-28 | 2020-12-29 | 北京小米移动软件有限公司 | Information display method, device and storage medium |
| CN112152325A (en) * | 2019-06-28 | 2020-12-29 | 北京小米移动软件有限公司 | Coil position adjusting method, device and storage medium |
| US11462954B2 (en) | 2019-06-28 | 2022-10-04 | Beijing Xiaomi Mobile Software Co., Ltd. | Method and apparatus for adjusting coil position |
| CN112242754A (en) * | 2019-07-17 | 2021-01-19 | 北京小米移动软件有限公司 | Wireless charging positioning method and device and mobile terminal |
| CN110549883A (en) * | 2019-08-30 | 2019-12-10 | 中兴新能源汽车有限责任公司 | Wireless charging state detection method, wireless charging pile and readable storage medium |
| CN112994130A (en) * | 2019-12-16 | 2021-06-18 | 北京小米移动软件有限公司 | Wireless charging alignment method and device, electronic equipment and wireless charging equipment |
| CN111750766A (en) * | 2020-05-28 | 2020-10-09 | 哈尔滨工业大学 | PnP type wireless power transmission position detection device based on sensor array and detection method thereof |
| CN113375549A (en) * | 2021-03-31 | 2021-09-10 | 华为技术有限公司 | Method, system and device for positioning guidance |
| CN112977141A (en) * | 2021-04-21 | 2021-06-18 | 北京有感科技有限责任公司 | Wireless charging guiding method for parking lot and wireless charging guiding method for vehicle |
| CN113752883A (en) * | 2021-08-11 | 2021-12-07 | 镇江默勒电器有限公司 | AGV material distribution car positioning system based on high-speed information communication |
| CN114069893A (en) * | 2021-11-26 | 2022-02-18 | 歌尔科技有限公司 | Wireless charging base and system |
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