CN107942144A - Electric automobile wireless charging electromagnetic field measuring system and method - Google Patents
Electric automobile wireless charging electromagnetic field measuring system and method Download PDFInfo
- Publication number
- CN107942144A CN107942144A CN201711107085.3A CN201711107085A CN107942144A CN 107942144 A CN107942144 A CN 107942144A CN 201711107085 A CN201711107085 A CN 201711107085A CN 107942144 A CN107942144 A CN 107942144A
- Authority
- CN
- China
- Prior art keywords
- electric automobile
- electromagnetic field
- wireless charging
- primary coil
- measurement
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/0864—Measuring electromagnetic field characteristics characterised by constructional or functional features
- G01R29/0871—Complete apparatus or systems; circuits, e.g. receivers or amplifiers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/0864—Measuring electromagnetic field characteristics characterised by constructional or functional features
- G01R29/0892—Details related to signal analysis or treatment; presenting results, e.g. displays; measuring specific signal features other than field strength, e.g. polarisation, field modes, phase, envelope, maximum value
Abstract
The present invention relates to a kind of electric automobile wireless charging electromagnetic field measuring system and method, the electric automobile is equipped with secondary coil, ground is equipped with primary coil, the primary coil is connected with power supply, including vehicle parking platform, self-operated measuring unit and control analysis backstage, and the control analysis backstage is connected with vehicle parking platform and the self-operated measuring unit respectively, the electric automobile is docked on the vehicle parking platform, make the primary coil opposite with the secondary coil, the self-operated measuring unit carries out the measurement point being arranged on electric automobile external Virtual face the measurement of electromagnetic field one by one, the data after measurement are analyzed and handled by the control analysis backstage.The present invention can provide the solution of convenient, efficient, reliable wireless charging system for electric automobile electromagnetic field measurements, automatic measurement is realized, is saved manpower and time.
Description
Technical field
The present invention relates to the technical field of electric automobile wireless charging, refers in particular to a kind of electric automobile wireless charging electromagnetism
Field measurement system and method.
Background technology
Vehicle electric, power grid intelligence are the trend of 21st century automobile and power network development, and electric automobile will become
Power grid inalienable part.At present, electric automobile obtains the approach of electric energy mainly including trickle charge mode, fast charge from power grid
Mode and change electrically three kinds.Adjusted from distribution situation, applicable situation, construction cost, land used cost, operation expense and response
Degree ability etc. considers, electric automobile still there are environmental suitability it is not strong the shortcomings of, so as to have impact on electric automobile
Convenience and security during use.
In order to overcome the above problem, occurs wireless charging technology in recent years, so-called wireless charging technology refers to a kind of using electric
The distribution or propagation characteristic of magnetic field, electromagnetic wave in physical space, the mode for taking non-conducting wire directly to contact, realizes electric energy by electricity
Source is transferred to the technology of load-side.At present, wireless charging technology become at home and abroad academia, industrial quarters so it is among the people all
The hot spot technology to receive much concern.However, the carrying object of electric automobile includes the mankind and other biological body, in order to ensure that product makes
Security during is, it is necessary to which the distribution character to electromagnetic field and its influence to organism, implant devices etc. are goed deep into
Careful research, so as to eliminate the doubt of user of service and the public to electric automobile wireless charging Occupational exposure to magnetic fields.At present, electric automobile
Wireless charging system evaluates organism Electromgnetic seat and electromagnetic field test method is also in conceptual phase, and being especially the absence of can be certainly
The electromagnetic field measuring system that dynamic measurement, three-dimensional imaging are shown, influences wireless charging system electromagnetic field measurements efficiency and accuracy.
The content of the invention
For this reason, the technical problems to be solved by the invention are to overcome wireless charging system electromagnetic field measurements in the prior art
The problem of efficiency and accuracy is low, so as to provide a kind of electromagnetic field measurements efficiency and accuracy high electric automobile wireless charging electricity
Magnetic field measurement system and method.
In order to solve the above technical problems, a kind of electric automobile wireless charging electromagnetic field measuring system of the present invention, the electricity
Electrical automobile is equipped with secondary coil, and ground is equipped with primary coil, and the primary coil is connected with power supply, including vehicle parking is put down
Platform, self-operated measuring unit and control analysis backstage, and it is described control analysis backstage respectively with vehicle parking platform and it is described from
Dynamic measuring device is connected, and the electric automobile is docked on the vehicle parking platform, makes the primary coil and the secondary
Coil is opposite, and the self-operated measuring unit carries out electromagnetic field one by one to the measurement point being arranged on electric automobile external Virtual face
Data after measurement are analyzed and handled by the control analysis backstage by measurement.
In one embodiment of the invention, the vehicle parking platform includes the vehicle support for the electric automobile that berths
Device, primary coil support device and the first moving mechanism being connected with the control analysis backstage, wherein the primary side line
Circle in the primary coil support device, first moving mechanism respectively with the vehicle support means and the original
Sideline circle support device is connected.
In one embodiment of the invention, the self-operated measuring unit includes probe, field strength measurement device, humiture ring
Border measuring device, range unit, filming apparatus and with second moving mechanism that is connected of control analysis backstage, and described the
Two moving mechanisms are connected with the probe and the range unit respectively.
In one embodiment of the invention, the probe is low frequency field intensity probe, and in probe support mechanism.
In one embodiment of the invention, the control analysis backstage includes foreground control module, data processing module
And result display module, wherein the foreground control module respectively with the vehicle parking platform and the self-operated measuring unit
Connection, including control software, presetting apparatus and connectivity port；The data processing module connects with the self-operated measuring unit
Connect, including connectivity port, data acquisition device, Data Analysis Software, standard limit storehouse；The result display module includes data
Show software, display, report automatically generating device.
Present invention also offers a kind of electric automobile wireless charging electromagnetic field measuring method, any one is electronic using above-mentioned
Automobile wireless charging electromagnetic field measuring system measures the electromagnetic field of the electric automobile wireless charging, and step is as follows：Step
Rapid S1：Berth the electric automobile, makes the secondary coil on the electric automobile with setting primary coil on the ground
Relatively；Step S2：Multiple virtual faces are set outside the electric automobile under different conditions, according to the virtual face arrangement measurement road
Footpath and measurement point；Step S3：Measure the electromagnetic field of the measurement point one by one along the measuring route, and to measuring obtained electricity
The data in magnetic field are analyzed and handled.
In one embodiment of the invention, the different conditions include the electric automobile in different loads state, institute
State state when horizontal distance changes between primary coil and the secondary coil and the wireless charging system for electric automobile
Different charge powers, the state of different operating frequency.
In one embodiment of the invention, the electric automobile is under no-load conditions, the primary coil with it is described
The initial value of mechanical airgap variable quantity between secondary coil is zero, and the primary coil is overlapped with the center of the secondary coil
When, the initial value of offset is also zero between the primary coil and the secondary coil.
In one embodiment of the invention, will after the electromagnetic field for measuring the measurement point one by one along the measuring route
The electromagnetic field maximum measured on the virtual face is made comparisons with limit value, judges the whether exceeded and exceeded position of electromagnetic field, journey
Degree.
In one embodiment of the invention, the method for virtual face being set outside the electric automobile is：Choose difference
With the primary coil and the secondary coil it is closest positioned at two sides of the electric automobile as virtual face, and
The distance between car body surface of the virtual face and the electric automobile is in setting range.
The above technical solution of the present invention has the following advantages over the prior art：
Electric automobile wireless charging electromagnetic field measuring system of the present invention and method, are electric automobile wireless charging system
The electromagnetic field measurements of system provide convenient, efficient, reliable solution, not only realize automatic measurement, and save manpower and
Time；At the same time by Mechanical course, thus exact specification determine measurement point position, influenced from human error；In addition will survey
Data after amount are compared with limit value, with 3-D view the results show that so as to more intuitively represent that measurement result is horizontal, super
Beacon course degree and position, easy to which electromagnetic field is analyzed and evaluated.
Brief description of the drawings
In order to make the content of the present invention more clearly understood, the specific embodiment below according to the present invention and combination
Attached drawing, the present invention is described in further detail, wherein
Fig. 1 is the top view of electric automobile of the present invention；
Fig. 2 is the partial schematic diagram on vehicle parking platform of the present invention；
Fig. 3 is electric automobile wireless charging electromagnetic field measuring system composition schematic diagram of the present invention；
Fig. 4 is electric automobile wireless charging electromagnetic field measuring method flow chart of the present invention.
Embodiment
Embodiment one：
As shown in Fig. 1 and Fig. 2 and Fig. 3, the present embodiment provides a kind of electric automobile wireless charging electromagnetic field measuring system,
The electric automobile 10 is equipped with secondary coil 11, and ground is equipped with primary coil 12, and the primary coil 12 is connected with power supply,
Including vehicle parking platform 20, self-operated measuring unit 30 and control analysis backstage 40, and the control analysis backstage 40 is distinguished
It is connected with vehicle parking platform 20 and the self-operated measuring unit 30, the electric automobile is docked in the vehicle parking platform 20
On, make the primary coil 12 opposite with the secondary coil 11, the self-operated measuring unit 30 is to being arranged on outside electric automobile
Measurement point on the virtual face in portion carries out the measurement of electromagnetic field one by one, by it is described control analysis backstage 40 pairs measurement after data into
Row analysis and processing.
Electric automobile wireless charging electromagnetic field measuring system described in the present embodiment, the electric automobile 10 are equipped with secondary line
Circle 11, ground is equipped with primary coil 12, and the primary coil 12 is connected with power supply, including vehicle parking platform 20, automatic survey
Measure device 30 and control analysis backstage 40, and the control analysis backstage 40 respectively with vehicle parking platform 20 and described automatic
Measuring device 30 is connected.The electric automobile 10 is docked on the vehicle parking platform 20, so as to be conducive to control the original
The distance between 12 and the secondary coil 11 are enclosed in sideline, make the primary coil 12 opposite with the secondary coil 11, favorably
Normal transmission in magnetic field.In particular it is required that ensure the peak excursion between the primary coil 12 and the secondary coil 11
Within the specified range, so as to just can guarantee that the normal transmission in magnetic field.The self-operated measuring unit 30 is to being arranged on the electronic vapour
Measurement point on 10 external Virtual face of car carries out the measurement of electromagnetic field one by one, avoids manual operation, not only save manpower and when
Between, and can determine measurement point position exact specification, due to being influenced from human error, pass through the control analysis backstage
Data after 40 pairs of measurements are analyzed and handled, not only convenient, efficient, reliable, and meet electric automobile wireless charging
To the needs of organism Electromgnetic seat evaluation.
Vehicle support means 21 of the vehicle parking platform 20 including 10 tire of electric automobile that berths, primary coil
Support device 22 and the first moving mechanism 23 being connected with the control analysis backstage 40, wherein the primary coil 12 is located at
In the primary coil support device 22, first moving mechanism 23 respectively with the vehicle support means 21 and the original
Sideline circle support device 22 is connected, and the vehicle support means 21 are nonmetallic materials, can by first moving mechanism 23
To control the spacing distance and height of the vehicle support means 21, to adapt to different vehicle, in of the invention, the vehicle support
Device 21 can be flexible member, such as spring；The primary coil support device 22 is nonmetallic materials, is moved by described first
Motivation structure 23 can control the horizontal-shift distance and height of the primary coil support device 22；First moving mechanism 23
It is connected with the control analysis backstage 40, so as to be conducive to by 40 control first moving mechanism of control analysis backstage
23 movement.
The self-operated measuring unit 30 includes probe 31, field strength measurement device 32, humiture environment measuring apparatus 33, ranging
Device 34,35 and second moving mechanism 36 of filming apparatus.Since the working frequency of wireless charging system is relatively low, the spy
First 31 be low frequency field intensity probe, and in probe support mechanism 37, the probe 31 is moved with the probe support mechanism 37,
The probe is set to carry out point-to-point measurement along the measurement point path；The field strength measurement device 32 is used to measure the secondary line
The electromagnetic field produced between circle 11 and the primary coil 12；Since humiture can have an impact field strength measurement, pass through institute
Temperature and humidity under the environment can be measured by stating humiture environment measuring apparatus 33；The range unit 34 is used to measure void
Plan face is to described vehicle gabarit most the distance between protrusion；The filming apparatus 35 is used to take pictures and image, and is measuring
Whole shooting in journey, according to the node automatic camera of setting；Second moving mechanism 36 and 40 phases of the control analysis backstage
Even, the movement of 40 control second moving mechanism 36 of control analysis backstage is passed through；Second moving mechanism 36 and institute
State probe 31 to be connected, pass through the movement of probe 31 described in the motion control of second moving mechanism 36, second moving machine
Structure 35 is connected with the range unit 34, passes through the shifting of range unit 34 described in the motion control of second moving mechanism 36
It is dynamic.
In the present invention, the probe 31 is three axis isotropism, and diameter is not more than 13cm.The probe support mechanism 37 is
Non-metallic materials, can be set according to the range unit 32 and measurement point the adjustment probe 31 height and with measured object
Distance.The probe 31 is apart from least 1.5m of the second moving mechanism 36.The field strength measurement device 32 covers wireless charging
System, its working frequency 85kHz, frequency resolution are not more than 250Hz.
The control analysis backstage 40 includes foreground control module 41, data processing module 42 and result display module
43, wherein the foreground control module 41 can set the spacing distance and height, the primary side line of the vehicle support means 21
Enclose the horizontal-shift distance and height of support device 22, and the probe height of the probe support mechanism 37 and itself and measured object
Distance, the measurement frequency of the field strength measurement device 32 and the node of taking pictures of the filming apparatus 35；Pass through the foreground
The software program of control module 41, sets vehicle inside and outside or off-board (PCC) power surface measurement point position, measurement road
Footpath and node of taking pictures；By the data processing module 42 can gather the self-operated measuring unit 30 transmission come field strength measurement
Data, humiture environmental data, photographed data.The foreground control module 41 respectively with the vehicle parking platform 20 and described
Self-operated measuring unit 30 connects, and specifically, passes through being connected with for the foreground control module 41 and the vehicle parking platform 20
Beneficial to the movement for controlling the vehicle support means 21 and the primary coil support device 22, mould is controlled by the foreground
The mutual transmission between data is realized in the connection of block 41 and the self-operated measuring unit 30；The foreground control module 41 includes control
Software, presetting apparatus and connectivity port processed；The data processing module 42 is connected with the self-operated measuring unit 30, described
Data processing module 42 includes connectivity port, data acquisition device, Data Analysis Software, standard limit storehouse；The results show
Module 43 includes data and shows software, display, report automatically generating device.
Embodiment two：
As shown in figure 4, the present embodiment provides a kind of electric automobile wireless charging electromagnetic field measuring method, embodiment one is utilized
The electric automobile wireless charging electromagnetic field measuring system measures the electromagnetic field of the electric automobile wireless charging, step
It is as follows：Step S1：Berth the electric automobile 10, makes the secondary coil 11 on the electric automobile 10 and is arranged on ground
On primary coil 12 it is opposite；Step S2：Multiple virtual faces are set outside the electric automobile 10 under different conditions, according to described
Virtual face arrangement measuring route and measurement point；Step S3：Measure the electromagnetic field of the measurement point one by one along the measuring route,
And the data of the electromagnetic field obtained to measurement are analyzed and handled.
Electric automobile wireless charging electromagnetic field measuring method described in the present embodiment, in the step S1, berths described electronic
Automobile 10, so as to be conducive to control the distance between the primary coil 12 and the secondary coil 11, makes positioned at described electronic
Secondary coil 11 on automobile 10 is conducive to the normal transmission in magnetic field with setting primary coil 12 on the ground opposite；It is described
In step S2, multiple virtual faces are set, according to the virtual face arrangement measurement road outside the electric automobile 10 under different conditions
Footpath and measurement point, can not only save manpower and time to avoid manual operation, and can determine measurement point exact specification
Position；In the step S3, the electromagnetic field of the measurement point is measured one by one along the measuring route, and to measuring obtained electromagnetism
Data analyzed and handled, due to being influenced from human error, system automatically to the data after measurement carry out analysis with
Processing, it is not only convenient, efficient, reliable, and meet the needs that electric automobile wireless charging evaluates organism Electromgnetic seat.
In the step S1, the secondary coil 11 on the electric automobile 10 is with setting 12 phase of primary coil on the ground
Pair when, it is necessary to ensure peak excursion between the primary coil 12 and the secondary coil 11 within the specified range, so as to
Ensure the normal transmission in magnetic field.
In the step S2, in order to judge whether the electromagnetic field on the virtual face is exceeded, then needs to the electronic vapour
Electromagnetic field of the car 10 on all virtual faces under different conditions measures, including the electric automobile 10 is in different loads shape
The measuring of electromagnetic field under state, when horizontal distance changes between the primary coil 12 and the secondary coil 11 electromagnetic field measurement
And different charge powers, the state of different operating frequency of the wireless charging system for electric automobile, wherein different loads shape
Under state under the measurement of electromagnetic field i.e. mechanical airgap variable quantity electromagnetic field measurement, i.e., to the primary coil 12 and the pair
The measurement of electromagnetic field when vertical range changes between sideline circle 11.
During to setting the measurement point on multiple virtual faces to measure outside the electric automobile under different conditions, measure first
When the initial offset and mechanical airgap variable quantity of the primary coil 12 and the secondary coil 11 are zero, the virtual face
The electromagnetic field of upper each point.Specifically, the electric automobile 10 is in uncharged situation, the primary coil 12 and the secondary
The initial value of mechanical airgap variable quantity between coil 11 is zero；The center weight of the primary coil 12 and the secondary coil 11
During conjunction, the initial value of offset is also zero between the primary coil 12 and the secondary coil 11, measures the electric automobile
In this case on the virtual face each point electromagnetic field；Then adjust the primary coil 12 and the secondary coil 11 it
Between offset and mechanical airgap variable quantity, continue to set multiple virtual faces in the outside vehicle, according to the virtual face
Arrange measuring route and measurement point, the electromagnetic field of the measurement point is measured one by one along the measuring route, finally by the void
The electromagnetic field maximum measured on plan face is made comparisons with limit value, judges the whether exceeded and exceeded position of electromagnetic field, degree.
In the step S3, the method that virtual face is set outside the electric automobile is：Choose respectively with the primary side
Coil 12 and the secondary coil 11 it is closest positioned at two sides of the electric automobile 10 as virtual face, it is and described
The distance between car body surface of virtual face and the electric automobile 10 is in setting range.
The present invention is described in further detail for citing below：
Certain electric automobile 10, wherein the vehicle overall dimension of the electric automobile 10 is 4m × 1.5m × 1.5m, its is wireless
Charging system rated power is 7kW, working frequency 85kHz, and 12 size of primary coil is：30cm × 30cm × 6cm, institute
Stating 11 size of secondary coil is：20cm × 20cm × 6cm, the mechanical gas between the primary coil 12 and the secondary coil 11
Gap is 130 ± 30mm, and the secondary coil 11 is 17cm with a distance from 21 upper surface of vehicle support means, wherein deviating model
It is ± 75mm to be trapped among travel direction (X-direction), and in transverse direction (Y-direction) ± 100mm of travel direction, the secondary coil 11 is installed
Bottom, central point equal with left and right vehicle wheel lateral extent are put apart from vehicle tail 20cm with off-board (PCC) power after vehicle
Put on ground.Since tested vehicle tire is between left and right away from for 1.5m, passing through the software program of the foreground control module 41, control
The movement of first moving mechanism 23, make the vehicle support means 21 is set to 1.5m, it is contemplated that the primary side
Should not there are metal, the 11 lower surface terrain clearance of secondary coil to be at least 13+3+6+35=in 12 lower section 35cm of coil
57cm, and 11 lower surface of the secondary coil is 17cm from the upper surface of the vehicle support means 21, the then vehicle support
The height of device 21 is at least 57-17=40cm, is arranged to 50cm.
After the tire of the electric automobile is docked in the vehicle support means 21, pass through the foreground control module 41
Software program, control first moving mechanism 23 to move, the vehicle support means 21 set to proper width and foot
Enough height, make vehicle parking set the primary coil support device 22 to the original in the vehicle support means 21
The initial offset and mechanical airgap variable quantity of sideline circle 12 and the secondary coil 11, will the primary coil 12 and described
The offset and mechanical airgap variable quantity of secondary coil 11 are disposed as 0, are highly arranged to the standard value 13cm of mechanical airgap, this
12 lower surface terrain clearance of Shi Suoshu primary coils is 50+17-13-6=48cm.Wireless charging system is worked normally in specified work(
Rate, other unrelated electric appliances close, start the humiture measurement mechanism 33 and the filming apparatus 35, surveyed by the humiture
It is 25 DEG C that amount device 33, which measures environment temperature, relative humidity 60%, atmospheric pressure 101kPa.
Primary coil 12 described in selected distance and the nearest vehicle left side of the secondary coil 11 and vehicle rear-side are made respectively
For virtual face, wherein 12 center point coordinate of the primary coil is (0,0), X-axis is headstock direction, Y-axis in the horizontal plane with X-axis
Vertically, Z axis measures the virtual face to the distance of the car body surface by the range unit 34, makes perpendicular to horizontal plane
It is 20cm, and by the software program of the foreground control module 41, measuring route and measurement are set according to the virtual face
Point.For the virtual face of vehicle left side, measurement point is arranged in X-axis and Z-direction, measurement step-length in each direction is 2cm, X
Axis scope is+30cm to -30cm, and Z axis scope is -20cm to 70cm.For the virtual face of vehicle rear-side, cloth in Y-axis and Z-direction
Put measurement point, measurement step-length in each direction is 2cm, and Y-axis scope is+30cm to -30cm, Z axis scope for -20cm extremely
70cm.By the software program of the foreground control module 41, control second moving mechanism 36 to move, drive the probe
The movement of supporting mechanism 37 so that the probe 31 carries out point-to-point measurement along measurement point path, and to each virtual face, scanning
The path of measurement carries out automatic measurement, the electromagnetism that measurement is obtained along each measurement point according to first vertical rear horizontal order
Field data is transmitted to the data acquisition device from the self-operated measuring unit 30.
The software program of the foreground control module 41 is continued through, first moving mechanism 23 is controlled, by the original
Sideline circle support device 21, which is set to the other offsets and mechanical airgap of the primary coil 12 and the secondary coil 11, to be become
Change amount (in the present embodiment, for different offsets and mechanical airgap variable quantity, the virtual face is constant), then using above-mentioned same
The method of sample measures the measurement point on the virtual face, wherein the offset and the combination of mechanical airgap variable quantity are at least
Including：
Dx=0mm, dy=0mm, dz=0mm；
Dx=+75mm, dy=0mm, dz=0mm；
Dx=-75mm, dy=0mm, dz=0mm；
Dx=0mm, dy=+100mm, dz=0mm；
Dx=0mm, dy=-100mm, dz=0mm；
Dx=-75mm, dy=-100mm, dz=+30mm；
Dx=-75mm, dy=-100mm, dz=-30mm.
After being measured, the electromagnetic field data that measurement obtains is transmitted to the data from the self-operated measuring unit 30 and is adopted
Acquisition means, are screened by the Data Analysis Software, obtain outside vehicle electromagnetic field horizontal distribution and electromagnetic field is maximum
Value.In the control analysis backstage 40, ICNIRP directive/guides (2010) international standard is chosen from standard limit storehouse, frequency is
During 85kHz, magnetic field limit value is 21A/m, and electric field limit value is 83V/m.The result for finally obtaining measurement is：In the virtual face of vehicle rear-side
On the horizontal highest of electromagnetic field；Vehicle support means upper surface above 7.5cm highly locates, the primary coil 12 and the secondary
When coil 11 aligns, maximum value of magnetic field 3.07A/m, electric field maximum 2.37V/m, during maximum offset, maximum value of magnetic field
For 4.87A/m, electric field maximum 3.64V/m.By the Data Analysis Software, the electromagnetic field that will be measured on all virtual faces
For maximum compared with limit value, electromagnetic field maximum is below the corresponding limit value in the ICNIRP directive/guides (2010), shows
Electromagnetic field level is not exceeded；Finally by the results show software, the forms such as form, 3-D view are shown over the display
Data result, and combining environmental condition, scene photograph, measurement point arrangement etc. information, automatically generate measurement result report.
Obviously, the above embodiments are merely examples for clarifying the description, not to the restriction of embodiment.For
For those of ordinary skill in the art, other multi-form changes can also be made on the basis of the above description or are become
It is dynamic.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change or change thus extended out
Among moving still in the protection domain of the invention.
Claims (10)
1. a kind of electric automobile wireless charging electromagnetic field measuring system, the electric automobile is equipped with secondary coil, is set on ground
There is primary coil, the primary coil is connected with power supply, it is characterised in that：Including vehicle parking platform, self-operated measuring unit with
And control analysis backstage, and the control analysis backstage is connected with vehicle parking platform and the self-operated measuring unit respectively, institute
State electric automobile to be docked on the vehicle parking platform, make the primary coil opposite with the secondary coil, it is described automatic
Measuring device carries out the measurement point being arranged on electric automobile external Virtual face the measurement of electromagnetic field one by one, passes through the control
Analysis backstage is analyzed and handled by the data after measurement.
2. electric automobile wireless charging electromagnetic field measuring system according to claim 1, it is characterised in that：The vehicle parking
Platform include berthing the vehicle support means of the electric automobile, primary coil support device and with the control analysis backstage
The first connected moving mechanism, wherein the primary coil is located in the primary coil support device, first moving machine
Structure is connected with the vehicle support means and the primary coil support device respectively.
3. electric automobile wireless charging electromagnetic field measuring system according to claim 1, it is characterised in that：The automatic measurement
Device include probe, field strength measurement device, humiture environment measuring apparatus, range unit, filming apparatus and with the control
The second connected moving mechanism of analysis backstage, and second moving mechanism respectively with the probe and the range unit phase
Even.
4. electric automobile wireless charging electromagnetic field measuring system according to claim 3, it is characterised in that：The probe is low
Frequency field intensity probe, and in probe support mechanism.
5. electric automobile wireless charging electromagnetic field measuring system according to claim 1, it is characterised in that：The control analysis
Backstage include foreground control module, data processing module and result display module, wherein the foreground control module respectively with
The vehicle parking platform is connected with the self-operated measuring unit, including control software, presetting apparatus and connectivity port；Institute
Data processing module is stated to be connected with the self-operated measuring unit, including connectivity port, data acquisition device, Data Analysis Software,
Standard limit storehouse；The result display module includes data and shows software, display, report automatically generating device.
6. a kind of electric automobile wireless charging electromagnetic field measuring method, utilizes any one electronic vapour in the claim 1-5
Vehicle radio charging electromagnetic field measuring system measures the electromagnetic field of the electric automobile wireless charging, it is characterised in that step
It is rapid as follows：
Step S1：Berth the electric automobile, makes the secondary coil on the electric automobile with setting original on the ground
Sideline circle is opposite；
Step S2：Multiple virtual faces are set outside the electric automobile under different conditions, according to the virtual face arrangement measurement road
Footpath and measurement point；
Step S3：Measure the electromagnetic field of the measurement point, and the number of the electromagnetic field obtained to measurement one by one along the measuring route
According to being analyzed and handled.
7. electric automobile wireless charging electromagnetic field measuring method according to claim 6, it is characterised in that：The different conditions
When including the electric automobile, horizontal distance changes between different loads state, the primary coil and the secondary coil
The different charge powers of state and the wireless charging system for electric automobile, the state of different operating frequency.
8. electric automobile wireless charging electromagnetic field measuring method according to claim 7, it is characterised in that：The electric automobile
Under no-load conditions, the initial value of the mechanical airgap variable quantity between the primary coil and the secondary coil is zero, institute
When stating primary coil and being overlapped with the center of the secondary coil, between the primary coil and the secondary coil offset just
Initial value is also zero.
9. electric automobile wireless charging electromagnetic field measuring method according to claim 6, it is characterised in that：Along the measurement road
After footpath measures the electromagnetic field of the measurement point one by one, the electromagnetic field maximum measured on the virtual face is made comparisons with limit value,
Judge the whether exceeded and exceeded position of electromagnetic field, degree.
10. electric automobile wireless charging electromagnetic field measuring method according to claim 6, it is characterised in that：Described electronic
Automobile external sets the method in virtual face to be：Choose respectively with the primary coil and the secondary coil are closest is located at
Two sides of the electric automobile as virtual face, and between the virtual face and the car body surface of the electric automobile away from
From in setting range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711107085.3A CN107942144A (en) | 2017-11-10 | 2017-11-10 | Electric automobile wireless charging electromagnetic field measuring system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711107085.3A CN107942144A (en) | 2017-11-10 | 2017-11-10 | Electric automobile wireless charging electromagnetic field measuring system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107942144A true CN107942144A (en) | 2018-04-20 |
Family
ID=61934768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711107085.3A Pending CN107942144A (en) | 2017-11-10 | 2017-11-10 | Electric automobile wireless charging electromagnetic field measuring system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107942144A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108705952A (en) * | 2018-06-21 | 2018-10-26 | 国网江西省电力有限公司电力科学研究院 | A kind of electric vehicle wire and wireless mixed charged system |
| CN109188127A (en) * | 2018-08-22 | 2019-01-11 | 同济大学 | A kind of automatic testing stand frame system of wireless charging system for electric automobile |
| CN109444769A (en) * | 2018-11-07 | 2019-03-08 | 国家电网有限公司 | The test method and system of wireless charging device |
| CN110927486A (en) * | 2019-11-19 | 2020-03-27 | 国网智能科技股份有限公司 | Electric automobile wireless charging interoperability test system and method thereof |
| CN110988754A (en) * | 2018-10-10 | 2020-04-10 | 哈尔滨工业大学 | Magnetic characteristic parameter-based electric vehicle wireless charging system magnetic transmission component interoperability testing method |
| CN111537821A (en) * | 2020-05-22 | 2020-08-14 | 河北工业大学 | Testing device and measuring system suitable for wireless charging system of electric automobile |
| CN113125890A (en) * | 2021-04-21 | 2021-07-16 | 中国人民解放军海军工程大学 | Wireless electric energy transmission power, magnetism, heat and temperature rise test system, method and equipment |
| CN113267689A (en) * | 2021-04-21 | 2021-08-17 | 中国人民解放军海军工程大学 | Wireless electric energy transmission power, magnetism, heat and temperature rise test system and test method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6014447A (en) * | 1997-03-20 | 2000-01-11 | Raytheon Company | Passive vehicle classification using low frequency electro-magnetic emanations |
| DE10033065A1 (en) * | 2000-07-07 | 2002-01-17 | Audi Ag | Electromagnetic compatibility tester for motor vehicle electrical components uses variable frequency controlled by computer |
| CN203838250U (en) * | 2014-04-01 | 2014-09-17 | 周光明 | Electromagnetic field detector |
| CN104407234A (en) * | 2014-12-22 | 2015-03-11 | 河南理工大学 | Device and method for automatically measuring electromagnetic radiation outside electric automobile |
| CN104698288A (en) * | 2015-03-12 | 2015-06-10 | 高魁 | Mobile monitoring platform for electromagnetic radiation |
-
2017
- 2017-11-10 CN CN201711107085.3A patent/CN107942144A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6014447A (en) * | 1997-03-20 | 2000-01-11 | Raytheon Company | Passive vehicle classification using low frequency electro-magnetic emanations |
| DE10033065A1 (en) * | 2000-07-07 | 2002-01-17 | Audi Ag | Electromagnetic compatibility tester for motor vehicle electrical components uses variable frequency controlled by computer |
| CN203838250U (en) * | 2014-04-01 | 2014-09-17 | 周光明 | Electromagnetic field detector |
| CN104407234A (en) * | 2014-12-22 | 2015-03-11 | 河南理工大学 | Device and method for automatically measuring electromagnetic radiation outside electric automobile |
| CN104698288A (en) * | 2015-03-12 | 2015-06-10 | 高魁 | Mobile monitoring platform for electromagnetic radiation |
Non-Patent Citations (1)
| Title |
|---|
| 郑世欣: ""有关电动汽车无线充电系统安全性能要求和测试方法的集中探讨"", 《电气传动自动化》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108705952A (en) * | 2018-06-21 | 2018-10-26 | 国网江西省电力有限公司电力科学研究院 | A kind of electric vehicle wire and wireless mixed charged system |
| CN109188127A (en) * | 2018-08-22 | 2019-01-11 | 同济大学 | A kind of automatic testing stand frame system of wireless charging system for electric automobile |
| CN110988754A (en) * | 2018-10-10 | 2020-04-10 | 哈尔滨工业大学 | Magnetic characteristic parameter-based electric vehicle wireless charging system magnetic transmission component interoperability testing method |
| CN109444769A (en) * | 2018-11-07 | 2019-03-08 | 国家电网有限公司 | The test method and system of wireless charging device |
| CN110927486A (en) * | 2019-11-19 | 2020-03-27 | 国网智能科技股份有限公司 | Electric automobile wireless charging interoperability test system and method thereof |
| CN111537821A (en) * | 2020-05-22 | 2020-08-14 | 河北工业大学 | Testing device and measuring system suitable for wireless charging system of electric automobile |
| CN113125890A (en) * | 2021-04-21 | 2021-07-16 | 中国人民解放军海军工程大学 | Wireless electric energy transmission power, magnetism, heat and temperature rise test system, method and equipment |
| CN113267689A (en) * | 2021-04-21 | 2021-08-17 | 中国人民解放军海军工程大学 | Wireless electric energy transmission power, magnetism, heat and temperature rise test system and test method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107942144A (en) | Electric automobile wireless charging electromagnetic field measuring system and method | |
| US11207989B2 (en) | Wireless charging of electric vehicles | |
| CN205921464U (en) | Charge coil position detecting device , coil skew detection device , capital construction end and on -vehicle end | |
| KR101887738B1 (en) | Alignment method for wireless power transfer coil and apparatus using the same | |
| CN106568376A (en) | Charging coil position detecting device, coil deviation detecting method and apparatus, capital construction terminal and on-vehicle terminal | |
| CN106560674A (en) | Charging coil position detecting device, coil offset detection method and device, infrastructure end, and vehicle-mounted end | |
| CN106560730A (en) | Detection device, detection method and judgment device for metal foreign matter and wireless charging system | |
| CN107696884B (en) | Wireless charging control device and method for electric vehicle and wireless charging device | |
| EP3647815A1 (en) | Position alignment apparatus and method for wireless power transfer | |
| EP3643555A1 (en) | Low frequency sensor based apparatus and method for measuring vehicle position | |
| CN208630401U (en) | Wireless charging device based on electric car | |
| CN102920470A (en) | Medical imaging system and method with double-mode fusion | |
| CN205861000U (en) | A kind of tunnel deformation monitoring device | |
| CN108919367A (en) | Transmission line of alternation current inversion method based on current field | |
| CN108286988A (en) | A kind of high-accuracy mechanical gyroscope servo integrated test system and method | |
| CN103760427A (en) | Statistical method of power frequency electromagnetic field distribution rules in transformer substation | |
| CN110212616A (en) | Wireless charging pedestal and wireless charging pedestal control method | |
| CN108120474A (en) | A kind of contact net contact line measuring method and device | |
| CN108407650A (en) | Automobile wireless charging method, system and ground side charging system | |
| US9989602B2 (en) | Magnetic resonance imaging apparatus and a power control method of a magnetic resonance imaging apparatus | |
| CN109856466A (en) | Measuring probe and its measurement method | |
| CN209764955U (en) | measuring probe | |
| CN110174223B (en) | System and method for detecting oil leakage area of transformer body | |
| CN102506784B (en) | Sliding fit mechanism, measuring device, measuring method and container stacking machine | |
| CN205919776U (en) | Charge coil position detecting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180420 |
|
| RJ01 | Rejection of invention patent application after publication |