CN109606199A - It is a kind of to establish electric car fully-automatic intelligent charging system and method - Google Patents
It is a kind of to establish electric car fully-automatic intelligent charging system and method Download PDFInfo
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- CN109606199A CN109606199A CN201811501214.1A CN201811501214A CN109606199A CN 109606199 A CN109606199 A CN 109606199A CN 201811501214 A CN201811501214 A CN 201811501214A CN 109606199 A CN109606199 A CN 109606199A
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
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- H02J7/0091—
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4278—Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention belongs to charging technique fields, disclose it is a kind of establish electric car fully-automatic intelligent charging system and method, the electric car fully-automatic intelligent charging system of establishing includes: power module, electric power detection module, temperature detecting module, main control module, charging induction module, charging accounting module, alarm module, display module.The target charge value that the present invention is obtained by electric power detection module, more close to the discharge and recharge rule of battery itself, it can more reflect battery parameter essence, more meet user experience simultaneously, target charge value is determined using objective self-adapting correcting algorithm corresponding with target electricity section, available more accurate battery capacity value, and increase hardware spending and corresponding driving development cost without additional；Meanwhile more convenient and fast charging modes and reimbursement of expense mode can be provided for user by charging accounting module, charging and reimbursement of expense can be smoothly completed by carrying out any additional act without user.
Description
Technical field
The invention belongs to charging technique field more particularly to a kind of establish electric car fully-automatic intelligent charging system and side
Method.
Background technique
Electric car refers to using vehicle power supply as power, with motor driven wheels travel, meets road traffic, security legislation
The vehicle of requirements.It is started using the electricity stored in the battery.Use 12 or 24 pieces of batteries sometimes when driving automobile,
Sometimes it then needs more.The composition of electric car includes: to be driven by electricity and the mechanical systems, complete such as control system, driving force transmission
At the equipment etc. of assigned tasks.It is driven by electricity and control system is the core of electric car, and be different from I. C. engine steam
The maximum difference of vehicle.It is driven by electricity and control system is by groups such as the speed-regulating control devices of drive motor, power supply and motor
At.Other devices of electric car are substantially identical as internal-combustion engines vehicle.However, existing electric car full battery electric power detection is inadequate
Accurately, charging judgement is influenced；Meanwhile existing charging accounting is cumbersome.
In conclusion problem of the existing technology is: existing electric car full battery electric power detection is inaccurate, influences
Charging judgement；Meanwhile existing charging accounting is cumbersome；Generation noise is more during temperature sensor temperature collection, and temperature signal is not
Accurately；Voltameter detects electricity inaccuracy, be easy to cause and is overcharged with electricity or undercharge；Image shows unintelligible, and contrast is not
Height, and noise is big.
Summary of the invention
In view of the problems of the existing technology, electric car fully-automatic intelligent charging system is established the present invention provides a kind of
And method.
Electric car fully-automatic intelligent charging method is established the invention is realized in this way a kind of, it is described to establish electronic vapour
Vehicle fully-automatic intelligent charging method includes:
The first step is that electric car is powered operation using lithium battery；It is calculated using based on the correction of difference value of zero state-of-charge
The voltameter that method carries out electricity correction detects electric quantity of batteries of electric vehicle data；Utilize the temperature based on cumulative mean Denoising Algorithm
Sensor detects batteries of electric automobile temperature data；
Second step carries out induction charging operation using wireless charging sensing apparatus induction electric automobile batteries signal；
Third step charges to electric car using account software and carries out billing operation；
4th step, using alarm according to detecting that bottom electricity or high-temperature data carry out timely alert notice；
5th step, using based on frequency domain carry out image procossing display show electric car fully-automatic intelligent charging system and
The electricity of detection, temperature, metering data information.
Further, cumulative mean Denoising Algorithm includes: the signal of capture card i-th acquisition back in the first step are as follows:
F (i)=s (i)+n (i)；
It is useful signal in formula, n (f) is noise signal；
Signal-to-noise ratio are as follows:
After n times are cumulative, the signal value of s (i) is Ns (i).Noise n (i) signal value then meets random point of zero-mean
Cloth, so, after adding up by n times, the signal value of noise signal is
Then after cumulative mean Denoising Algorithm signal signal-to-noise ratio are as follows:
Further, the image processing method based on frequency domain includes: in the 5th step
Fourier transformation is carried out to image, obtains original image Fourier frequency spectrum；Frequency spectrum is sieved using transmission function
Choosing, frequency spectrum after being handled；Image after being handled using Fourier inversion；
For n rank Butterworth filter low-pass filtering method, transmission function expression formula are as follows:
In formula: k is constant, is generally set to 1 or 0.414；N is the order of filtering；D0For cut frequency；
The transmission function expression formula of n rank high-pass filtering method are as follows:
The electric car fully-automatic intelligent charging method established is realized another object of the present invention is to provide a kind of
Electric car fully-automatic intelligent charging system is established, the electric car fully-automatic intelligent charging system of establishing includes:
Power module is connect with main control module, for being that electric car is powered operation by lithium battery；
Electric power detection module is connect with main control module, for detecting electric quantity of batteries of electric vehicle data by voltameter；
Temperature detecting module is connect with main control module, for detecting batteries of electric automobile temperature number by temperature sensor
According to；
Main control module, with power module, electric power detection module, temperature detecting module, charging induction module, charging accounting mould
Block, alarm module, display module connection, work normally for controlling modules by single-chip microcontroller；
Charge induction module, connect with main control module, for passing through wireless charging sensing apparatus induction electric automobile batteries
Signal carries out induction charging operation；
Charging accounting module, connect with main control module, carries out charging behaviour for charging by account software to electric car
Make；
Alarm module is connect with main control module, for by alarm according to detecting that bottom electricity or high-temperature data carry out
Timely alert notice；
Display module is connect with main control module, for showing electric car fully-automatic intelligent charging system by display
And electricity, the temperature, metering data information of detection.
Another object of the present invention is to provide a kind of using the electric car fully-automatic intelligent charging method established
Charging platform.
Advantages of the present invention and good effect are as follows: the target charge value that the present invention is obtained by electric power detection module, more
Close to the discharge and recharge rule of battery itself, it can more reflect battery parameter essence, while more meeting user experience, using electric with target
The corresponding objective self-adapting correcting algorithm in amount section determines target charge value, available more accurate battery capacity value,
And increase hardware spending and corresponding driving development cost without additional；Meanwhile it can be mentioned by charging accounting module for user
For more convenient and fast charging modes and reimbursement of expense mode, charging can be smoothly completed by carrying out any additional act without user
And reimbursement of expense；It is made an uproar using what cumulative evaluation Denoising Algorithm was conducive to generate in removal temperature sensor temperature collection signal process
Sound improves temperature signal accuracy；Voltameter is based on the progress electric power detection correction of difference value of zero state-of-charge correcting algorithm and is conducive to
The accuracy for improving voltameter detection electricity, avoids the wasting of resources or not enough power supply；Image processing method based on frequency domain has
Conducive to enhancing picture contrast, noise is reduced.
Detailed description of the invention
Fig. 1 is provided in an embodiment of the present invention to establish electric car fully-automatic intelligent charging method flow chart.
Fig. 2 is provided in an embodiment of the present invention to establish electric car fully-automatic intelligent charging system structural schematic diagram；
In Fig. 2: 1, power module；2, electric power detection module；3, temperature detecting module；4, main control module；5, charging induction
Module；6, charging accounting module；7, alarm module；8, display module.
Specific embodiment
In order to further understand the content, features and effects of the present invention, the following examples are hereby given, and cooperate attached drawing
Detailed description are as follows.
Structure of the invention is explained in detail with reference to the accompanying drawing.
As shown in Figure 1, it is provided by the invention establish electric car fully-automatic intelligent charging method the following steps are included:
S101 is that electric car is powered operation using lithium battery；Using based on difference value of zero state-of-charge correcting algorithm
The voltameter for carrying out electricity correction detects electric quantity of batteries of electric vehicle data；It is passed using the temperature based on cumulative mean Denoising Algorithm
Sensor detects batteries of electric automobile temperature data；
S102 carries out induction charging operation using wireless charging sensing apparatus induction electric automobile batteries signal；
S103 charges to electric car using account software and carries out billing operation；
S104, using alarm according to detecting that bottom electricity or high-temperature data carry out timely alert notice；
S105 shows electric car fully-automatic intelligent charging system and inspection using image procossing display is carried out based on frequency domain
The electricity of survey, temperature, metering data information.
In step S101, cumulative mean Denoising Algorithm provided in an embodiment of the present invention is as follows:
If the signal of capture card i-th acquisition back are as follows:
F (i)=s (i)+n (i)
It is useful signal in formula, n (f) is noise signal.
Signal-to-noise ratio are as follows:
The signal that temperature sensor acquires back every time in the case where temperature-resistant is constant, and capture card is high speed acquisition
Card, collection period signal is very short, completely it is considered that signal value is constant during cumulative, so, after n times are cumulative, s
(i) signal value is Ns (i).Noise n (i) signal value then meets the random distribution of zero-mean, so, after adding up by n times,
The signal value of noise signal is
Then after cumulative mean Denoising Algorithm signal signal-to-noise ratio are as follows:
From the above equation, we can see that signal-to-noise ratio improves after signal progress n times are cumulativeTimes.And accumulative frequency is more,
Signal-to-noise ratio improvement effect is more obvious.
In step S101, difference value of zero state-of-charge correcting algorithm provided in an embodiment of the present invention is as follows:
The calculating process of difference value of zero state-of-charge correcting algorithm is to be adjusted by alternative manner by Multi simulation running calculating
The initial value SOC of state-of-chargeinit, make Δ SOC Shou Lian Yu ∣ Δ SOC ∣ < SOCtolIn the range of or Ress2fuel≤ 1%, specifically
Algorithm is as follows:
Initialization calculating is carried out using following formula:
The initial value of the state-of-charge emulated next time is calculated using following formula:
SOCInit, i+1=SOCInit, i+f·ΔSOCi；
F is proportionality coefficient in formula；
If there is Δ SOCiWith Δ SOCi+1Symbol is different, indicates Δ SOCiWith Δ SOCi+1It is distributed in Δ SOC=0 axis
Both sides.Then it is directed to (Δ SOCMin, pos, SOC) and two o'clock using interpolation method calculates SOC value at Δ SOC=0 as initial value
SOCInit, i+1, formula is as follows:
SOCInit, i+1=int erp [(Δ SOCMin, pos, SOC), (Δ SOCMin, neg, SOC), 0]；
Wherein, (Δ SOCMin, pos, SOC) and it is corresponding to Δ SOCMin, posSOC value；(ΔSOCMin, neg, SOC) and it is to correspond to
In Δ SOCMin, negSOC value；ΔSOCMin, pos, it is the smallest Δ SOC value of absolute value；ΔSOCMin, negIt is the smallest for absolute value
Negative Δ SOC value；
Use SOCInit, i+1It is calculated next time, loop iteration is until meeting error requirements.
In step S105, the image processing method provided in an embodiment of the present invention based on frequency domain is as follows:
Fourier transformation is carried out to image, obtains original image Fourier frequency spectrum；Frequency spectrum is sieved using transmission function
Choosing, frequency spectrum after being handled；Image after being handled using Fourier inversion；
For n rank Butterworth filter low-pass filtering method, transmission function expression formula are as follows:
In formula: k is constant, is generally set to 1 or 0.414；N is the order of filtering；D0For cut frequency；
The transmission function expression formula of n rank high-pass filtering method are as follows:
As shown in Fig. 2, electric car fully-automatic intelligent charging system provided by the invention of establishing includes: power module 1, electricity
It measures detection module 2, temperature detecting module 3, main control module 4, charging induction module 5, charging accounting module 6, alarm module 7, show
Show module 8.
Power module 1 is connect with main control module 4, for being that electric car is powered operation by lithium battery；
Electric power detection module 2 is connect with main control module 4, for detecting electric quantity of batteries of electric vehicle data by voltameter；
Temperature detecting module 3 is connect with main control module 4, for detecting batteries of electric automobile temperature by temperature sensor
Data；
Main control module 4, with power module 1, electric power detection module 2, temperature detecting module 3, charging induction module 5, charging
Accounting module 6, alarm module 7, display module 8 connect, and work normally for controlling modules by single-chip microcontroller；
Charge induction module 5, connect with main control module 4, for passing through wireless charging sensing apparatus induction electric automobile electricity
Pond signal carries out induction charging operation；
Charging accounting module 6 is connect with main control module 4, carries out charging for charging by account software to electric car
Operation；
Alarm module 7 is connect with main control module 4, for by alarm according to detect bottom electricity or high-temperature data into
The timely alert notice of row；
Display module 8 is connect with main control module 4, for showing electric car fully-automatic intelligent Charging by display
System and the electricity of detection, temperature, metering data information.
2 detection method of electric power detection module provided by the invention is as follows:
(1) voltage value of batteries of electric automobile is obtained by voltmeter；
(2) voltage value is mapped as to the initial quantity of electricity value of the battery；
(3) target electricity section belonging to the initial quantity of electricity value is determined；
(4) according to objective self-adapting correcting algorithm corresponding with target electricity section, determine that the voltage value is corresponding
Target charge value.
Target electricity section belonging to the determination initial quantity of electricity value provided by the invention, comprising:
By the minimum amount of power value of the battery to the section between maximum charge value be divided into advance interval range value it is equal or
Not equal multiple electricity sections；
In the multiple electricity section, using electricity section belonging to the initial quantity of electricity value as target electricity section.
Basis provided by the invention objective self-adapting correcting algorithm corresponding with target electricity section, determines the electricity
Pressure is worth corresponding target charge value, comprising:
Determine each of matched described voltage value of objective self-adapting correcting algorithm corresponding with target electricity section
Target weight value corresponding to power number formulary value；
By each power number formulary value of the voltage value and the target weight value phase corresponding to each power number formulary value
The obtain and value that adds up after multiplying is determined as the target charge value.
The initial quantity of electricity value provided by the invention that the voltage value is mapped as to the battery, comprising:
If the voltage value is greater than the first preset voltage value and less than the second preset voltage value, it is determined that the battery is worked as
Preceding locating dbjective state；
According to the mapping curve between voltage value corresponding with the dbjective state and charge value, the voltage value is mapped
For the initial quantity of electricity value of the battery；
Wherein, second preset voltage value is greater than first preset voltage value；
If the voltage value is less than or equal to first preset voltage value, and the minimum amount of power value of the battery is directly true
It is set to the target charge value；
If the voltage value is more than or equal to second preset voltage value, and the maximum charge value of the battery is directly true
It is set to the target charge value.
6 charging method of charging accounting module provided by the invention is as follows:
1) wireless charging device establishes NFC with electric car when detecting that electric car is in wireless charging induction zone
Connection, and charging is sent to electric car by NFC and negotiates request；
2) electric car negotiates request according to the charging and negotiates confirmation message to wireless charging device transmission；
3) wireless charging device carries out wireless charging to electric car after receiving the negotiation confirmation message, and
Corresponding charge information during record wireless charging, is sent to the server for the charge information；
4) server generates corresponding cost information according to the charge information.
It is provided by the invention after the server generates corresponding cost information according to the charge information, the side
Method further include:
NFC connection status between the wireless charging device detection and electric car；
When detecting that the NFC connection status is changed to off-state by connection status, Xiang Suoshu server mail sending charge per message
Use settlement request；
The server takes according to the cost information in described this charging process of disbursement and sattlement request by described
Electric car, which is sent to, with information carries out expense confirmation.
Electric car provided by the invention negotiates request according to the charging and sends negotiation really to the wireless charging device
Recognize information, comprising:
Electric car is negotiated request to the charging and is parsed, and negotiates to obtain the wireless charging in request from the charging
The device identification of electric equipment；
Judge whether the device identification is pre-stored device identification；
When the judgment result is yes, Xiang Suoshu wireless charging device, which is sent, negotiates confirmation message；
When the judgment result is No, prompt user negotiates to request to confirm to the charging, and is receiving user couple
After the confirmation operation of request is negotiated in the charging, Xiang Suoshu wireless charging device, which is sent, negotiates confirmation message.
It is provided by the invention receive user to it is described charging negotiate request confirmation operation after, Xiang Suoshu wireless charging
After equipment sends negotiation confirmation message, the method also includes:
Electric car shows a prompt information to prompt whether to need to store the device identification；
The device identification is stored after receiving storage confirmation instruction.
Wireless charging device provided by the invention is when detecting that electric car is in the wireless charging induction zone, with electricity
Electrical automobile establishes NFC connection, comprising:
The wireless charging device detects electric car when detecting that electric car is in the wireless charging induction zone
Whether NFC function is opened；
If having turned on, NFC is established with electric car and is connect；
If not opening, show the prompting for opening NFC function to prompt user to operate.
Charge information provided by the invention includes that charging duration or charging output electricity, the server are filled according to
Power information generates corresponding cost information, comprising:
The server is based on the first charging policy and calculates the corresponding billing amount of the charging duration, corresponding to obtain
Cost information；Or
The server is based on the second charging policy and calculates the charging exporting the corresponding billing amount of electricity, to obtain pair
The cost information answered.
The above is only the preferred embodiments of the present invention, and is not intended to limit the present invention in any form,
Any simple modification made to the above embodiment according to the technical essence of the invention, equivalent variations and modification, belong to
In the range of technical solution of the present invention.
Claims (5)
1. a kind of establish electric car fully-automatic intelligent charging method, which is characterized in that described to establish electric car full-automatic intelligent
Can charging method include:
The first step is that electric car is powered operation using lithium battery；Using based on difference value of zero state-of-charge correcting algorithm into
The voltameter of row electricity correction detects electric quantity of batteries of electric vehicle data；Utilize the temperature sensing based on cumulative mean Denoising Algorithm
Device detects batteries of electric automobile temperature data；
Second step carries out induction charging operation using wireless charging sensing apparatus induction electric automobile batteries signal；
Third step charges to electric car using account software and carries out billing operation；
4th step, using alarm according to detecting that bottom electricity or high-temperature data carry out timely alert notice；
5th step shows electric car fully-automatic intelligent charging system and detection using image procossing display is carried out based on frequency domain
Electricity, temperature, metering data information.
2. establishing electric car fully-automatic intelligent charging method as described in claim 1, which is characterized in that in the first step
Cumulative mean Denoising Algorithm includes: the signal of capture card i-th acquisition back are as follows:
F (i)=s (i)+n (i)；
It is useful signal in formula, n (f) is noise signal；
Signal-to-noise ratio are as follows:
After n times are cumulative, the signal value of s (i) is Ns (i)；Noise n (i) signal value then meets the random distribution of zero-mean, institute
With after adding up by n times, the signal value of noise signal is
Then after cumulative mean Denoising Algorithm signal signal-to-noise ratio are as follows:
3. establishing electric car fully-automatic intelligent charging method as described in claim 1, which is characterized in that in the 5th step
Image processing method based on frequency domain includes:
Fourier transformation is carried out to image, obtains original image Fourier frequency spectrum；Frequency spectrum is screened using transmission function,
Frequency spectrum after being handled；Image after being handled using Fourier inversion；
For n rank Butterworth filter low-pass filtering method, transmission function expression formula are as follows:
In formula: k is constant, is generally set to 1 or 0.414；N is the order of filtering；D0For cut frequency；
The transmission function expression formula of n rank high-pass filtering method are as follows:
4. it is a kind of realize established described in claim 1 electric car fully-automatic intelligent charging method to establish electric car full-automatic
Intelligent charging system, which is characterized in that the electric car fully-automatic intelligent charging system of establishing includes:
Power module is connect with main control module, for being that electric car is powered operation by lithium battery；
Electric power detection module is connect with main control module, for detecting electric quantity of batteries of electric vehicle data by voltameter；
Temperature detecting module is connect with main control module, for detecting batteries of electric automobile temperature data by temperature sensor；
Main control module, with power module, electric power detection module, temperature detecting module, charging induction module, charging accounting module,
Alarm module, display module connection, work normally for controlling modules by single-chip microcontroller；
Charge induction module, connect with main control module, for passing through wireless charging sensing apparatus induction electric automobile batteries signal
Carry out induction charging operation；
Charging accounting module, connect with main control module, carries out billing operation for charging by account software to electric car；
Alarm module is connect with main control module, for by alarm according to detecting that it is timely that bottom electricity or high-temperature data carry out
Alert notice；
Display module is connect with main control module, for showing electric car fully-automatic intelligent charging system and inspection by display
The electricity of survey, temperature, metering data information.
5. a kind of using the chargin level for establishing electric car fully-automatic intelligent charging method described in claims 1 to 3 any one
Platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811501214.1A CN109606199A (en) | 2018-12-10 | 2018-12-10 | It is a kind of to establish electric car fully-automatic intelligent charging system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811501214.1A CN109606199A (en) | 2018-12-10 | 2018-12-10 | It is a kind of to establish electric car fully-automatic intelligent charging system and method |
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