CN110509790A - Wireless charging system, vehicle-mounted charging device and new-energy automobile - Google Patents
Wireless charging system, vehicle-mounted charging device and new-energy automobile Download PDFInfo
- Publication number
- CN110509790A CN110509790A CN201810490879.0A CN201810490879A CN110509790A CN 110509790 A CN110509790 A CN 110509790A CN 201810490879 A CN201810490879 A CN 201810490879A CN 110509790 A CN110509790 A CN 110509790A
- Authority
- CN
- China
- Prior art keywords
- power
- emitter
- control module
- vehicle
- module
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/80—Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
-
- 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
Abstract
The present invention relates to wireless charging systems, vehicle-mounted charging device and new-energy automobile, the voltage of power battery is detected by voltage detection module, the maximum allowable charging current of power battery is detected by current detection module, it can be obtained by the maximum allowable charge power of power battery according to the real-time voltage of power battery and maximum allowable charging current, the maximum allowable charge power numerical value is exported to emitter, emitter exports corresponding charge power according to the maximum allowable charge power of power battery, guarantee that the charge power maximum of emitter output is equal to the maximum allowable charge power of power battery, the charge power for avoiding emitter from exporting is too large or too small, and then it avoids damaging power battery, but also it can be realized the quick charge of power battery.
Description
Technical field
The present invention relates to wireless charging system, vehicle-mounted charging device and new-energy automobiles.
Background technique
New energy vehicle is more more and more universal on the market by the small advantage of its energy conservation and environmental protection noise, and bus is as city
The important component of city's public transport, because of its distinctive operation mode, there is the spies such as driving time length, driving distance length
Point；Intercity group's passenger traffic needs sizable power battery capacity that can meet its demand, so because continual mileage needed for it is longer
And it is limited to power battery higher cost, cause city public transit vehicle to need frequent charge, reduces efficiency of operation；Intercity group
Passenger traffic, which needs to pay biggish cost, could ensure basic operation.(hybrid vehicle is in pure power mode for new energy vehicle at present
When lower operation) it is using power battery as whole power resources, due to bus there are driving times long, intercity group's passenger traffic
Have the characteristics that continual mileage is long, fully meet the power battery that vehicle use demand needs to be equipped with suitable large capacity, so that single
Vehicle cost is excessively high.
It is automatically controlled that a kind of electric car wireless charging is disclosed in the Chinese patent document that Authorization Notice No. is CN205753573U
System processed, including emitter and reception device, emitter include transmitting terminal governor circuit and transmitting terminal charging circuit, are received
Device includes receiving end from control circuit and receiving end charging circuit.Although the charge control system can be realized the nothing of electric car
Line charge electricity, still, which only simply implements wireless charging, can not be filled according to the maximum allowable of power battery
Electrical power controls the charging output power of charging circuit, is likely to result in the charging output power of the charging circuit in emitter
It is too large or too small, when the output power that charges is excessive, it may be damaged vehicle-mounted line related and power battery, when charging exports
When power is too small, charging elapsed time is too long, and charge efficiency is lower, cannot achieve quick charge.
Summary of the invention
The object of the present invention is to provide a kind of wireless charging systems, can not basis to solve existing wireless charging system
The problem of maximum allowable charge power control charging output power of power battery.Present invention simultaneously provides a kind of vehicle-mounted charge dresses
It sets and a kind of new-energy automobile.
To achieve the above object, the present invention includes following technical scheme.
A kind of wireless charging system, including emitter and reception device, the emitter include transmitting terminal charging electricity
Road, the reception device include control module and receiving end charging circuit, and the reception device further includes for detecting power electric
The voltage detection module of cell voltage and current detection module for detecting the maximum allowable charging current of power battery, the voltage
The detection signal output end of detection module connects the detection of the control module with the detection signal output end of current detection module
Power battery is calculated most according to the voltage and maximum allowable charging current of power battery in signal input part, control module
Big to allow charge power, control module exports corresponding request power to emitter, and emitter is according to request power output
Corresponding power is Vehicular charging.
The voltage that power battery is detected by voltage detection module detects the maximum of power battery by current detection module
Allow charging current, according to the maximum of the real-time voltage of power battery and the available power battery of maximum allowable charging current
Allow charge power, obtained requesting power accordingly according to maximum allowable charge power, control module is to emitter output phase
The request power answered, emitter guarantee the charging function of emitter output according to the request corresponding charge power of power output
Rate maximum is equal to the maximum allowable charge power of power battery, and the charge power for avoiding emitter from exporting is too large or too small,
And then avoid damaging power battery, but also promote charge efficiency, realize the quick charge of power battery.
Further, the reception device further includes the motor demand power inspection for detecting the demand power of driving motor
Module is surveyed, the detection signal output end of the motor demand power detection module connects the detection signal input of the control module
End, control module are asked according to the demand power of the maximum allowable charge power and driving motor to emitter output accordingly
Power is sought, emitter is according to the request corresponding power of power output.
The wireless charging system may further be running vehicle type wireless charging system, can be realized vehicle in the process of moving
It charges, then, the demand power of vehicle traction motor is obtained according to motor demand power detection module, then, in conjunction with dynamic
The maximum allowable charge power of power battery and the demand power of driving motor can be obtained by the function that emitter needs to export
Rate.In the case where guaranteeing Vehicular charging power, the driving power of traveling is provided for vehicle, meets effectively filling in driving process
Electricity.
Further, the output power of control module real-time reception emitter, when the output work for monitoring emitter
Rate be greater than control module issue request power, and the error amount of the two be greater than given threshold when, control module is exported to transmitting
Device halt instruction.The power for preventing emitter from exporting is excessive to damage emitter itself, also being capable of anti-stopping power
Battery is burned out.
Further, after vehicle powers on, control module sends operating mode standby command to emitter, and request power is
Zero, after the corresponding instruction of injection device feedback pending, control module sends the work of constant-voltage charge or constant-current charge to emitter
Operation mode instruction, and corresponding request power is sent to emitter.Before sending corresponding request power to emitter,
It needs first to judge whether emitter can operate normally, after emitter feeds back corresponding instruction, indicates to operate normally, this
When control module to emitter send corresponding operating mode instruction to provide power to reception device.
Further, the motor demand power detection module includes motor speed detection unit and motor output torque inspection
Survey unit.The rotary speed information that driving motor is detected according to motor speed detection unit is examined according to motor output torque detection unit
The output torque of measured motor, then, the demand power of driving motor can be obtained by the two parameters.
Further, the reception device further includes accelerator pedal Measuring opening module, the accelerator pedal Measuring opening
The detection signal output end of module connects the detection signal input part of the control module, and control module is opened according to accelerator pedal
Degree information obtains corresponding demand power.
Further, the reception device further includes the electric attachment demand power for detecting vehicle electrical attachment demand power
The detection signal output end of detection module, the electricity attachment demand power detection module connects the detection letter of the control module
Number input terminal.
A kind of vehicle-mounted charging device, including control module further include the voltage detecting mould for detecting power battery voltage
Block and current detection module for detecting the maximum allowable charging current of power battery, the detection signal of the voltage detection module
Output end connects the detection signal input part of the control module, control module with the detection signal output end of current detection module
The maximum allowable charge power of power battery is calculated according to the voltage of power battery and maximum allowable charging current, controls
Module exports corresponding request power to emitter, so that emitter is vehicle according to the request corresponding power of power output
Charging.
Further, the vehicle-mounted charging device further includes the motor demand function for detecting the demand power of driving motor
Rate detection module, the detection signal output end of the motor demand power detection module connect the detection signal of the control module
Input terminal, control module are answered according to the demand power of the maximum allowable charge power and driving motor to emitter output phase
Request power so that emitter according to request the corresponding power of power output.
Further, the output power of control module real-time reception emitter, when the output work for monitoring emitter
Rate be greater than control module issue request power, and the error amount of the two be greater than given threshold when, control module is exported to transmitting
Device halt instruction.
Further, after vehicle powers on, control module sends operating mode standby command to emitter, and request power is
Zero, after the corresponding instruction of injection device feedback pending, control module sends the work of constant-voltage charge or constant-current charge to emitter
Operation mode instruction, and corresponding request power is sent to emitter.
Further, the motor demand power detection module includes motor speed detection unit and motor output torque inspection
Survey unit.
Further, the vehicle-mounted charging device further includes accelerator pedal Measuring opening module, the accelerator pedal aperture
The detection signal output end of detection module connects the detection signal input part of the control module, and control module is according to accelerator pedal
Opening information obtain corresponding demand power.
Further, the vehicle-mounted charging device further includes the electric attachment demand for detecting vehicle electrical attachment demand power
The detection signal output end of power detection module, the electricity attachment demand power detection module connects the inspection of the control module
Survey signal input part.
A kind of new-energy automobile, including vehicle-mounted charge subsystem, the vehicle-mounted charge subsystem include control module and connect
Receiving end charging circuit, the vehicle-mounted charge subsystem further include voltage detection module for detecting power battery voltage and are used for
Detect the maximum allowable charging current of power battery current detection module, the detection signal output end of the voltage detection module and
The detection signal output end of current detection module connects the detection signal input part of the control module, and control module is according to power
The voltage of battery and maximum allowable charging current are calculated the maximum allowable charge power of power battery, and control module is to hair
The corresponding request power of injection device output, so that emitter is Vehicular charging according to the request corresponding power of power output.
Further, the vehicle-mounted charge subsystem further includes the motor demand for detecting the demand power of driving motor
Power detection module, the detection signal output end of the motor demand power detection module connect the detection letter of the control module
Number input terminal, control module is according to the demand power of the maximum allowable charge power and driving motor to emitter output phase
The request power answered, so that emitter is according to the request corresponding power of power output.
Further, the output power of control module real-time reception emitter, when the output work for monitoring emitter
Rate be greater than control module issue request power, and the error amount of the two be greater than given threshold when, control module is exported to transmitting
Device halt instruction.
Further, after vehicle powers on, control module sends operating mode standby command to emitter, and request power is
Zero, after the corresponding instruction of injection device feedback pending, control module sends the work of constant-voltage charge or constant-current charge to emitter
Operation mode instruction, and corresponding request power is sent to emitter.
Further, the motor demand power detection module includes motor speed detection unit and motor output torque inspection
Survey unit.
Further, the vehicle-mounted charge subsystem further includes accelerator pedal Measuring opening module, and the accelerator pedal is opened
The detection signal output end of degree detection module connects the detection signal input part of the control module, and control module is stepped on according to acceleration
The opening information of plate obtains corresponding demand power.
Further, the vehicle-mounted charge subsystem further includes needing for detecting the electric attachment of vehicle electrical attachment demand power
Power detection module is sought, the detection signal output end of the electricity attachment demand power detection module connects the control module
Detect signal input part.
Detailed description of the invention
Fig. 1 is wireless charging system structural block diagram；
Fig. 2 is the control principle drawing of wireless charging system；
Fig. 3 is wireless charging system integrated vehicle control tactics configuration diagram.
Specific embodiment
Wireless charging system embodiment
The present embodiment provides a kind of wireless charging systems, including emitter and reception device two large divisions, wherein transmitting
Device is arranged on wireless charging device, belongs to a part of wireless charging device；Reception device be arranged onboard, for it is wireless
The corresponding vehicle-mounted charging device of charging equipment.
Emitter includes transmitting terminal charging circuit, and for carrying out wireless charging for vehicle, this partly belongs to existing skill
Art is just no longer specific here to introduce.Certainly, specifically regardless of the structure of emitter and reception device, emitter and connect
Wireless telecommunications are realized between receiving apparatus, then, emitter includes transmitting terminal communication module, and reception device includes that receiving end is logical
Module is interrogated, transmitting terminal communication module is communicated wirelessly with receiving end communication module, the two wireless communication modules can also be adopted
With existing relevant device, just no longer illustrate here.
Reception device includes control module and receiving end charging circuit, and control module realizes the control of vehicle-mounted charge part,
Receiving end charging circuit is corresponding with transmitting terminal charging circuit, wirelessly receives the electric energy of transmitting terminal charging circuit output.
Since control module and receiving end charging circuit belong to the prior art, just no longer illustrate here.Wherein, control module is with whole
For vehicle controller.
As shown in Figure 1, reception device further includes voltage detection module and current detection module, the two detection modules
Think existing device, wherein voltage detection module is used to detect the voltage of power battery, and current detection module is for detecting power
The maximum allowable charging current (currently allowing charging current limiter) of battery.The detection signal output end and electric current of voltage detection module
The detection signal input part of the detection signal output end connection entire car controller of detection module.Voltage detection module and current detecting
The message sending cycle of module is 10ms, ensures the real-time of information transmitting.Entire car controller is according to the power battery received
Voltage and maximum allowable charging current the maximum allowable charge power of power battery is calculated, voltage is multiplied by maximum allowable
Charging current can obtain maximum allowable charge power.Entire car controller passes through nothing according to obtained maximum allowable charge power
The mode of line communication exports corresponding request power to wireless charging device, and in this case, request power is exactly maximum allowable
Charge power, wireless charging device exports corresponding charge power, and to charge to vehicle, wireless charging device output is filled
Electrical power is less than or equal to maximum allowable charge power, and under normal circumstances, the charge power of wireless charging device output is equal to
Maximum allowable charge power.For example, the real-time voltage of current power battery is 500V, maximum allowable charging current is 100A, that
Under current state, vehicle only can carry out computation requests power (500V*100A=50kW) output referring to the power that fills of battery
To wireless charging device.Certainly, if the peak power output of wireless charging device is less than the maximum allowable charge power of vehicle
When, wireless charging device is exported according to its peak power output.In addition, voltage detection module and current detection module may be used also
To be arranged in battery management system BMS, the voltage of power battery and maximum allowable charging current pass through parsing battery management
The message that system BMS is sent obtains.
Further, which is running vehicle type wireless charging system, such as: it include ground launch end, vehicle-mounted
Receiving end and control unit, vehicle can provide power to vehicle in the process of moving and drive for power battery charging or vehicle
It is dynamic.Running vehicle type wireless charging system can supplement the electricity of vehicle mounted dynamic battery in real time or be directly used in vehicle traction, service truck
Operating mileage improves traffic efficiency, moreover, vehicle cost can be effectively reduced, can also provide power simultaneously for more trolleys, mention
The high utilization rate of vehicle.Since in the prior art, running vehicle type wireless charging system has been developed, such as entitled " electronic
The progress of automobile wireless charging technique " paper and it is entitled " electric car dynamic radio charge key technology research into
Exhibition " paper in have related record, then, corresponding wireless charging device just belongs to the prior art, here just no longer specifically
It is bright.So, reception device further includes motor demand power detection module, for detecting the demand power of vehicle traction motor, electricity
The detection signal input part of the detection signal output end connection entire car controller of machine demand power detection module.In the present embodiment,
Motor demand power detection module includes motor speed detection unit and motor output torque detection unit, and motor speed detection is single
Member is used to detect the output torque of motor, motor speed for detecting the revolving speed of driving motor, motor output torque detection unit
And the message sending cycle of the output torque of motor is similarly 10ms.According to the revolving speed and output torque of driving motor
The demand power of motor is obtained, such as: if vehicle is travelled at the uniform velocity (1000rpm) driving status, the output of motor is turned round
Square is constant 100Nm, then the demand power of motor is 1000rpm*100Nm/9550=10.47kW.In conjunction with it is above-mentioned most
Big to allow charge power, the request power that entire car controller is sent to wireless charging device is exactly maximum allowable charge power and electricity
The sum of demand power of machine is 50kW+10.47kW=60.47kW.In addition, motor speed detection unit and motor output torque
Detection unit can also export connection electric machine controller, motor speed and motor output torque information and pass through parsing electric machine controller
Message obtains.
Regardless of whether wireless charging system be running vehicle type wireless charging system, after vehicle powers on, entire car controller is to nothing
Line charge electric equipment sends operating mode standby command, and request power is zero, after wireless charging device feeds back corresponding instruction, i.e.,
After wireless charging device is ready to, entire car controller sends the work of constant-voltage charge or constant-current charge to wireless charging device
Mode instruction, and corresponding request power is sent to emitter, such as: maximum allowable charge power or maximum allowable charging
The sum of power and the demand power of motor.Further, after vehicle powers on, needing first to detect wireless charging system whether there is
Failure sends operating mode to wireless charging device after fault-free comprising communication failure, failure grade information and fault code indications
Standby command.
Regardless of what kind of equipment motor demand power detection module is, how is structure, and reception device further includes accelerator pedal
Measuring opening module, for detecting the aperture of accelerator pedal, the detection signal output end connection of accelerator pedal Measuring opening module
The detection signal input part of entire car controller.Accelerator pedal opening value is to be connected to vehicle by accelerator pedal collector by rigid line
Controller is converted to real-time opening value by the voltage change of accelerator pedal collector.The driving intention of driver, i.e. driving power
Demand and accelerator pedal aperture are positively correlated, therefore can be carried out in real time to vehicle driving power according to the variation of accelerator pedal aperture
Operation, and then obtain vehicle driving power demand, meet driver driving intention.Therefore, entire car controller is according to accelerator pedal
Aperture can obtain vehicle demand power, then, total demand power is obtained in conjunction with demand power above, output is to wireless
Charging equipment.
Similarly, it regardless of whether wireless charging system is running vehicle type wireless charging system, is examined regardless of motor demand power
What kind of equipment surveys module is, how is structure, and reception device further includes the electric attachment for detecting vehicle electrical attachment demand power
Demand power detection module, the detection of the detection signal output end connection entire car controller of electric attachment demand power detection module
Signal input part.When wireless charging system is conventional charging system, electric attachment demand power adds maximum allowable charging function
Rate obtains the demand power of vehicle；When wireless charging system is running vehicle type charging system, electric attachment demand power is plus maximum
Allow charge power to obtain the total demand power of vehicle along with the demand power of driving motor, exports to wireless charging device.
Fig. 2 is the control principle schematic diagram of wireless charging system.
Therefore, according to function, wireless charging system can be divided into three parts: (each detection above of information collection part
Module), (wireless charging above is set for information pre-processing and arithmetic section (entire car controller above) and execution part
It is standby).
Information collection part, which can acquire power battery currently, allows charging current limiter, cell voltage, motor speed, motor defeated
Torque, accelerator pedal aperture and electric attachment demand power out, in addition to this, information collection part is adopted by corresponding equipment
Collect the information such as peak power output, current working status and the real output of wireless charging device, information collection part
Collected each information is transferred to entire car controller.The peak power output of wireless charging device and real output etc. are
Parse the message value of wireless charging device.All of above information passes to full-vehicle control program application layer, is used for subsequent pre- place
Reason and operation.
Entire car controller carries out pretreatment and operation to information is fully entered, and request power (i.e. demand power) output is given
Execution module can also export corresponding operating mode to wireless charging device.Wherein, asking to wireless charging device is exported
Seeking power is using the output power of the maximum allowable charge power of power battery and current driving motor as Primary Reference item
Part, operating mode and the output for requesting power are also to be transmitted by message.
Wireless charging device receives full-vehicle control operating mode, and responds, then according to request power output to power electric
Pond charging is exported to motor for driving or for electric attachment work.
As shown in figure 3, providing a kind of specific wireless charging control logic, certainly, the invention is not limited to the controls
Logic.After vehicle powers on, wireless charging system can be detected with the presence or absence of failure, include communication failure, failure grade information and event
Hindering code information, after fault-free, output services mode standby command, request power is 0kW, after wireless charging device is ready to,
After feeding back correct operating mode instruction, vehicle can export the operating mode of constant-voltage charge or constant-current charge, while export reality
When the vehicle demand power that calculates: for example, vehicle is currently at dead ship condition, electric attachment is in close state, battery it is real-time
Voltage is 500V, permission charging current is 100A, then under current state, vehicle only can filling power and count referring to battery
Request power (500V*100A=50kW) output is calculated to wireless charging device；On this basis, if vehicle is at the uniform velocity
The output torque of (1000rpm) traveling, motor is constant 100Nm, then the demand power of motor side is 1000rpm*
100Nm/9550=10.47kW, then the request power for being sent to wireless charging device is 50kW+10.47kW=60.47kW.
Therefore, it is support vehicles general safety, is controlled uniformly wireless charging device as components, passes through first
Operating mode control be managed to whether wireless charging device works, to equipment currently available peak power output, when
Preceding working condition is monitored, and then (includes battery status, vehicle requirement drive power, electric attachment according to vehicle real-time status
Demand power etc.) charge power is requested to wireless charging device.
In addition, vehicle is in actual moving process, above-mentioned each detection information, such as: the voltage of power battery, it all may be real
Shi Bianhua, therefore entire car controller needs to calculate the current demand power of vehicle in real time according to the information of real-time detection.In addition exist
Information the sentencing as abnormal conditions such as the output power, output voltage, output electric current of wireless charging device can be monitored during this
Broken strip part.
The treatment process under several special circumstances and fault mode is given below:
1, when wireless charging device does not respond vehicle operating mode instruction correctly, vehicle can be made according to different working conditions
Respective handling out, for example, vehicle send constant-current charge operating mode instruction when, at this time if equipment feedback state be perseverance
Pressure charging, then be judged as that charging process enters end, do not deal with, but if being fed back to shut down, the request that vehicle if exports
Power is reduced to 0, and working at the same time mode instruction can also occur to change accordingly.
2, wireless charging device catastrophe failure, vehicle sail out of the case where any equipment such as ground launch end cannot provide power
When generation, the work order of shutdown will be fed back, but for less serious failure, vehicle is intended only as monitoring and uses, not
Under the premise of influencing vehicle safety, capacity utilization is improved to the full extent.
3, when vehicle judges that not needing wireless charging device works on, equipment will respond vehicle instruction, i.e. response is shut down
Instruction, it is ensured that vehicle level safety.
4, entire car controller can be with the output power of real-time reception wireless charging device, when vehicle monitors wireless charging
Equipment output power, which is greater than request power to the setting range that entire car controller issues, (ought monitor the defeated of wireless charging device
Power is greater than the request power that entire car controller issues out, and the error amount of the two is greater than given threshold) after, entire car controller
Output is forced to give wireless charging device halt instruction.Moreover, if continuously occurring at least twice in a certain set period of time above-mentioned
Situation, output control wireless charging device low-voltage power-off, and error code is quoted, it is convenient for quick positioning question, raising efficiency.
All of above breakdown judge is all based on message transmissions value, if communication has exception, entire car controller is directly pressed
According to shielding wireless charging device processing, vehicle is not influenced and directlys adopt power battery as energy source.
System manages wireless charging device with vehicle level, additionally it is possible to monitor the equipment shape of wireless charging device
State, vehicle carry out Real time request power according to wireless charging device state, are monitored to all components, it is ensured that vehicle peace
Entirely.
Specific embodiment is presented above, but the present invention is not limited to described embodiment.Base of the invention
This thinking is the structure and corresponding control process of above-mentioned wireless charging system.The principle and spirit of the invention are not being departed from
In the case where to embodiment carry out change, modification, replacement and modification still fall in protection scope of the present invention.
Vehicle-mounted charging device embodiment
The present embodiment provides a kind of vehicle-mounted charging devices, for being arranged in vehicle.The vehicle-mounted charging device includes control
Module, voltage detection module and current detection module, voltage detection module are used to detect the voltage of power battery, current detecting mould
Block is for detecting the maximum allowable charging current of power battery, the detection signal output end and current detection module of voltage detection module
Detection signal output end link control module detection signal input part, control module is according to the voltage of power battery and most
The big maximum allowable charge power for allowing charging current that power battery is calculated, and corresponding request function is exported to emitter
Rate, so that emitter is Vehicular charging according to the request corresponding power of power output.
Due in above-mentioned wireless charging system embodiment to the structure of the vehicle-mounted charging device and working principle and mistake
Journey is described in detail, and the present embodiment just no longer illustrates.
New-energy automobile embodiment
The present embodiment provides a kind of new-energy automobiles, such as: pure electric automobile or mixed electrical automobile, in the new-energy automobile
It is provided with vehicle-mounted charge subsystem.The vehicle-mounted charge subsystem is the reception device in above-mentioned wireless charging system embodiment, by
The structure of the reception device and working principle and process have been carried out in detail in above-mentioned wireless charging system embodiment
Description, the present embodiment just no longer illustrate.
Claims (10)
1. a kind of wireless charging system, including emitter and reception device, the emitter includes transmitting terminal charging circuit,
The reception device includes control module and receiving end charging circuit, which is characterized in that the reception device further includes for examining
The voltage detection module of power battery voltage and the current detection module for detecting the maximum allowable charging current of power battery are surveyed,
The detection signal output end of the voltage detection module connects the control mould with the detection signal output end of current detection module
Power is calculated according to the voltage and maximum allowable charging current of power battery in the detection signal input part of block, control module
The maximum allowable charge power of battery, control module export corresponding request power to emitter, and emitter is according to request
The corresponding power of power output is Vehicular charging.
2. wireless charging system according to claim 1, which is characterized in that the reception device further includes driving for detecting
The motor demand power detection module of the demand power of dynamic motor, the detection signal output of the motor demand power detection module
End connects the detection signal input part of the control module, and control module is according to the maximum allowable charge power and driving motor
Demand power export corresponding request power to emitter, emitter is according to the request corresponding power of power output.
3. wireless charging system according to claim 1 or 2, which is characterized in that control module real-time reception emitter
Output power, when the output power for monitoring emitter is greater than the request power that control module issues, and the error of the two
When value is greater than given threshold, control module, which exports, gives emitter halt instruction.
4. wireless charging system according to claim 1 or 2, which is characterized in that after vehicle powers on, control module is to transmitting
Device sends operating mode standby command, and request power is zero, and after the corresponding instruction of injection device pending feedback, control module is to hair
Injection device sends the operating mode instruction of constant-voltage charge or constant-current charge, and sends corresponding request power to emitter.
5. wireless charging system according to claim 2, which is characterized in that the motor demand power detection module includes
Motor speed detection unit and motor output torque detection unit.
6. wireless charging system according to claim 2 or 5, which is characterized in that the reception device further includes accelerating to step on
Plate Measuring opening module, the detection signal output end of the accelerator pedal Measuring opening module connect the detection of the control module
Signal input part, control module obtain corresponding demand power according to the opening information of accelerator pedal.
7. wireless charging system described according to claim 1 or 2 or 5, which is characterized in that the reception device further includes being used for
The electric attachment demand power detection module of vehicle electrical attachment demand power is detected, the electricity attachment demand power detection module
Detection signal output end connects the detection signal input part of the control module.
8. a kind of vehicle-mounted charging device, including control module, which is characterized in that further include the electricity for detecting power battery voltage
Detection module and the current detection module for detecting the maximum allowable charging current of power battery are pressed, the voltage detection module
Detection signal output end connects the detection signal input part of the control module with the detection signal output end of current detection module,
The maximum allowable charging of power battery is calculated according to the voltage and maximum allowable charging current of power battery for control module
Power, control module exports corresponding request power to emitter, so that emitter is corresponding according to request power output
Power is Vehicular charging.
9. vehicle-mounted charging device according to claim 8, which is characterized in that the vehicle-mounted charging device further includes for examining
Survey the motor demand power detection module of the demand power of driving motor, the detection signal of the motor demand power detection module
Output end connects the detection signal input part of the control module, and control module is according to the maximum allowable charge power and driving
The demand power of motor exports corresponding request power to emitter, so that emitter is corresponding according to request power output
Power.
10. a kind of new-energy automobile, including vehicle-mounted charge subsystem, the vehicle-mounted charge subsystem includes control module and reception
Hold charging circuit, which is characterized in that the vehicle-mounted charge subsystem further includes the voltage detecting for detecting power battery voltage
Module and current detection module for detecting the maximum allowable charging current of power battery, the detection letter of the voltage detection module
Number output end connects the detection signal input part of the control module with the detection signal output end of current detection module, controls mould
The maximum allowable charge power of power battery is calculated according to the voltage and maximum allowable charging current of power battery for root tuber, control
Molding block exports corresponding request power to emitter, so that emitter is vehicle according to the request corresponding power of power output
Charging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810490879.0A CN110509790B (en) | 2018-05-21 | 2018-05-21 | Wireless charging system, vehicle-mounted charging device and new energy automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810490879.0A CN110509790B (en) | 2018-05-21 | 2018-05-21 | Wireless charging system, vehicle-mounted charging device and new energy automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110509790A true CN110509790A (en) | 2019-11-29 |
| CN110509790B CN110509790B (en) | 2020-10-02 |
Family
ID=68621747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810490879.0A Active CN110509790B (en) | 2018-05-21 | 2018-05-21 | Wireless charging system, vehicle-mounted charging device and new energy automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110509790B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113771628A (en) * | 2020-06-09 | 2021-12-10 | 比亚迪股份有限公司 | Hybrid electric vehicle power generation control method and device and hybrid electric vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103532256A (en) * | 2013-10-31 | 2014-01-22 | 武汉大学 | Novel wireless electric energy transmission device |
| CN104137387A (en) * | 2012-02-29 | 2014-11-05 | 中国电力株式会社 | Non-contact power supply system, power supply apparatus, power receiving apparatus, and method for controlling non-contact power supply system |
| CN104518250A (en) * | 2013-09-27 | 2015-04-15 | 中兴通讯股份有限公司 | Vehicle wireless charging method and vehicle wireless charging apparatus |
| CN104638694A (en) * | 2013-11-11 | 2015-05-20 | 比亚迪股份有限公司 | Wireless charging system and method for electric cars |
| CN106232417A (en) * | 2014-04-18 | 2016-12-14 | 高通股份有限公司 | The equipment of power control, system and method for dynamic charging system for motor-driven vehicle |
-
2018
- 2018-05-21 CN CN201810490879.0A patent/CN110509790B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104137387A (en) * | 2012-02-29 | 2014-11-05 | 中国电力株式会社 | Non-contact power supply system, power supply apparatus, power receiving apparatus, and method for controlling non-contact power supply system |
| CN104518250A (en) * | 2013-09-27 | 2015-04-15 | 中兴通讯股份有限公司 | Vehicle wireless charging method and vehicle wireless charging apparatus |
| CN103532256A (en) * | 2013-10-31 | 2014-01-22 | 武汉大学 | Novel wireless electric energy transmission device |
| CN104638694A (en) * | 2013-11-11 | 2015-05-20 | 比亚迪股份有限公司 | Wireless charging system and method for electric cars |
| CN106232417A (en) * | 2014-04-18 | 2016-12-14 | 高通股份有限公司 | The equipment of power control, system and method for dynamic charging system for motor-driven vehicle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113771628A (en) * | 2020-06-09 | 2021-12-10 | 比亚迪股份有限公司 | Hybrid electric vehicle power generation control method and device and hybrid electric vehicle |
| CN113771628B (en) * | 2020-06-09 | 2023-10-17 | 比亚迪股份有限公司 | Hybrid electric vehicle power generation control method and device and hybrid electric vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110509790B (en) | 2020-10-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103337882B (en) | Automobile power cell monitoring system and monitoring method | |
| CN103991386B (en) | A kind of stroke-increasing electric automobile whole-control system and control method | |
| CN102555812B (en) | Energy control system and energy control method for electric vehicle | |
| CN101324645B (en) | Method and apparatus for measuring and calculating hybrid power vehicle high-pressure energy management system insulating resistance | |
| CN110116721B (en) | Train speed limit control method and management system for rail transit | |
| CN109515195A (en) | A kind of vehicle control system of pure electric vehicle and control method | |
| CN109969013A (en) | A kind of automatic charging system and charging method of intelligent driving electric car | |
| CN104410131A (en) | Vehicle-mounted mobile charge system and mobile charge control method thereof | |
| CN109895787A (en) | A kind of control method and control device of vehicle drive | |
| CN104972919B (en) | The power distribution means and energy distributing method of a kind of distributed driving electric motor car compound energy | |
| CN102013529A (en) | Vehicle power battery pack management system integrated into electric vehicle instrument and control method thereof | |
| CN108790827A (en) | A kind of pure electric vehicle vehicle high-voltage interlocking control method | |
| CN110194183A (en) | A kind of double-motor hybrid vehicle energy stream display methods, display system and hybrid vehicle | |
| CN102069762A (en) | Controller area network (CAN) system of electric/hybrid power automobile | |
| CN109720204A (en) | A kind of fault detection system and method for DC/DC converter | |
| CN106412112A (en) | New energy vehicle monitoring system | |
| CN111231763A (en) | Double-source battery pack switching method and system | |
| CN106274748A (en) | Treating method and apparatus based on information of vehicles config failure | |
| CN112910068A (en) | Control device for motor driver, motor driver and overhead working truck | |
| CN105094095A (en) | Remote monitoring method for electric vehicle | |
| CN109406893A (en) | A kind of anti-explosion electric sweeper malfunction monitoring alarm system | |
| US20160075250A1 (en) | Method and arrangement for error detection during charging of an energy storage system | |
| CN110509790A (en) | Wireless charging system, vehicle-mounted charging device and new-energy automobile | |
| CN106229531A (en) | Fuel-cell vehicle fault tolerant control method and device | |
| CN201926898U (en) | Automobile battery data acquisition management system |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 450061 Yudao Road, Guancheng District, Zhengzhou City, Henan Province Patentee after: Yutong Bus Co.,Ltd. Address before: 450016 Yutong Road, Guancheng District, Zhengzhou City, Henan Province Patentee before: ZHENGZHOU YUTONG BUS Co.,Ltd. |
|
| CP03 | Change of name, title or address |