CN106451678A - Charging device and method - Google Patents
Charging device and method Download PDFInfo
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- CN106451678A CN106451678A CN201611087054.1A CN201611087054A CN106451678A CN 106451678 A CN106451678 A CN 106451678A CN 201611087054 A CN201611087054 A CN 201611087054A CN 106451678 A CN106451678 A CN 106451678A
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- bus
- temperature value
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- charging
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 230000005540 biological transmission Effects 0.000 claims abstract description 46
- 238000001514 detection method Methods 0.000 claims description 19
- 230000008569 process Effects 0.000 description 5
- 230000032683 aging Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
Classifications
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- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
-
- 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
- H01M10/44—Methods for charging or discharging
- H01M10/443—Methods for charging or discharging in response to temperature
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The invention provides a charging device and method. The charging device comprises a temperature sensor, a microprocessor, a controller local area network bus and an interface of the controller local area network bus, wherein the temperature sensor is used for detecting the temperature in the charging device; the microprocessor is used for receiving a temperature signal sent by the temperature sensor and resolving the temperature signal into a temperature value and comparing the temperature value to the preset temperature value; if the temperature value is greater than the preset temperature value, the controller local area network bus is controlled to stop the data transmission so that an electric automobile stops charging. When the temperature value exceeds the preset temperature value, the microprocessor can control the controller local area network bus to stop data transmission; further, the electric automobile stops charging; the damage due to too high temperature in the charging device is avoided.
Description
Technical field
The present invention is applied to charging field, more particularly to a kind of charging device and method.
Background technology
With expanding economy and the raising of people's environmental consciousness, increasing people likes buying and uses electronic vapour
Car.Thing followed charging electric vehicle problem also becomes an important problem.
It is charged using external equipment during charging electric vehicle, such as charging gun or cradle.In actual charging process
In high voltage, high current can cause temperature in charging gun or cradle too high, and then situation about burning out occur.
Existing solution is to arrange a switch in the charge circuit, and in charging gun or cradle external connection one
Individual temperature-detecting device, the temperature value of detection is sent to battery management system by the temperature-detecting device in real time, is being charged
Cheng Zhong, if charging gun or the temperature in cradle exceed the critical temperature value of battery management system setting, battery management system
System controlling switch disconnects charging circuit, and electric automobile stops charging.As temperature-detecting device is to be external in charging gun or charging
Seat, it is easy to go out active or damage；On the other hand, it is easy in actual charging process controller local area network occur total
Line is blocked, so as to cause battery management system timely receive the temperature value for being sent by the temperature-detecting device, electronic
Automobile can not stop charging in time, and then make temperature in cradle or charging gun too high and cause to damage.
Content of the invention
The technical problem to be solved is for providing a kind of charging device and method, it is intended to solve due to cradle or
Charging gun external temperature detection means and cause the problem that the temperature-detecting device is easily lost or damages, and due to controller
Area Network bus are blocked and cause battery management system timely receive the temperature value, and electric automobile can not stop in time
Charge, and then the problem for making temperature in cradle or charging gun too high and causing to damage.
The present invention provides a kind of charging device, including：Temperature sensor, microprocessor, CAN bus and
The interface of CAN bus, one end of the interface of the CAN bus passes through the controller local area network
Bus is connected with the microprocessor, and in charging electric vehicle, the other end of the interface of the CAN bus passes through
The charging inlet of the electric automobile is connected with battery management system, and the microprocessor passes through the CAN bus and fills
Motor is connected, and the microprocessor is also connected with the temperature sensor, and temperature sensor is used for detecting the temperature in the charging device,
The microprocessor, for receiving the temperature signal that the temperature sensor sends, and the temperature signal is resolved to temperature value, and
The temperature value and preset temperature value are compared, if the temperature value is more than the preset temperature value, control the controller local
Network-bus stop data transfer, so that the electric automobile stops charging.
The present invention provides a kind of charging method, including：By built-in temperature sensor detection temperature, if the temperature for detecting
Value more than preset temperature value, then in stop control Area Network bus data transmission so that electric automobile stops charging, should
Data be electric automobile charge when, between charger and battery management system transmit data.
The invention provides a kind of charging device and method, including：Temperature sensor, microprocessor, controller local area network
Network bus and the interface of CAN bus, one end of the interface of the CAN bus passes through the controller
Area Network bus are connected with the microprocessor, in charging electric vehicle, the interface of the CAN bus another
One end is connected with battery management system by the charging inlet of the electric automobile, and the microprocessor passes through the controller local area network
Bus is connected with charger, and the microprocessor is also connected with the temperature sensor, and temperature sensor is used for detecting the charging device
In temperature, the microprocessor is used for receiving the temperature signal that the temperature sensor sends, and the temperature signal is resolved to temperature
Angle value, and the temperature value and preset temperature value are compared, if the temperature value is more than the preset temperature value, control the control
Device Area Network bus processed stop data transfer, so that the electric automobile stops charging.Compared with prior art, beneficial effect exists
In：When temperature value exceedes preset temperature value, microprocessor can control the CAN bus to stop data transfer,
And then cause electric automobile to stop charging, it is to avoid temperature in charging device is too high and damage.
Description of the drawings
Fig. 1 is a kind of structural representation of charging device that first embodiment of the invention and second embodiment are provided；
Fig. 2 be third embodiment of the invention provide a kind of charging method realize schematic flow sheet；
Fig. 3 be fourth embodiment of the invention provide a kind of charging method realize schematic flow sheet.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only in order to explain the present invention, and
It is not used in the restriction present invention.
As one embodiment of the present invention, as shown in figure 1, a kind of charging device that the present invention is provided, the device bag
Include：Temperature sensor 101, the interface 103 of microprocessor 102, CAN bus and CAN bus
104.
One end of the interface 103 of CAN bus is by CAN bus 104 and microprocessor
102 are connected, and in charging electric vehicle, the other end of the interface 103 of CAN bus is by the electric automobile
Charging inlet is connected with battery management system, and microprocessor 102 is connected with charger by CAN bus 104,
Microprocessor 102 is also connected with temperature sensor 101.Wherein, CAN bus 104 include controller local area network
The high horizontal line of bus and the low horizontal line of CAN bus, the interface 103 of CAN bus has two, point
Not Wei the high straight cut of CAN bus and the low straight cut of CAN bus, wherein, control general ability
The high horizontal line of domain network-bus is connected with the high straight cut of CAN bus, and the low of CAN bus is put down
Line is connected with the low straight cut of CAN bus.
Temperature sensor 101, for detecting the temperature in the charging device.Temperature sensor 101 can be critesistor,
It can also be thermocouple.
Microprocessor 102, for receiving the temperature signal of the transmission of temperature sensor 101, and the temperature signal is resolved to
Temperature value, and the temperature value and preset temperature value are compared, if the temperature value is more than the preset temperature value, control should
CAN bus 104 stop data transfer, so that the electric automobile stops charging.
The temperature signal is the signal of temperature in the charging device.The preset temperature value is preset temperature value, can be by
It is configured according to practical situation.
In the embodiment of the present invention, one end of the interface 103 of CAN bus is total by controller local area network
Line 104 is connected with microprocessor 102, and in charging electric vehicle, the other end of the interface 103 of CAN bus leads to
The charging inlet for crossing the electric automobile is connected with the battery management system, and microprocessor 102 is total by the controller local area network
Line 104 is connected with charger, and microprocessor 102 is also connected with temperature sensor 101, and temperature sensor 101 is used for detecting that this fills
Temperature in electric installation, microprocessor 102 is used for receiving the temperature signal of the transmission of temperature sensor 101, and by the temperature signal
Temperature value is resolved to, and the temperature value and preset temperature value are compared, if the temperature value is more than the preset temperature value,
The CAN bus 104 are controlled to stop data transfer, so that the electric automobile stops charging.In this way, working as temperature value
During more than preset temperature value, microprocessor 102 can control the CAN bus 104 to stop data transfer, and then
So that electric automobile stops charging, it is to avoid temperature in charging device is too high and damage.
As second embodiment of the present invention, as shown in figure 1, a kind of charging device that the present invention is provided, the device bag
Include：Temperature sensor 101, the interface 103 of microprocessor 102, CAN bus and CAN bus
104.
One end of the interface 103 of CAN bus is by CAN bus 104 and microprocessor
102 are connected, and in charging electric vehicle, the other end of the interface 103 of CAN bus is by the electric automobile
Charging inlet is connected with battery management system, and microprocessor 102 is connected with charger by CAN bus 104,
Microprocessor 102 is also connected with temperature sensor 101.Wherein, CAN bus 104 include controller local area network
The high horizontal line of bus and the low horizontal line of CAN bus, the interface 103 of CAN bus has two, point
Not Wei the high straight cut of CAN bus and the low straight cut of CAN bus, wherein, control general ability
The high horizontal line of domain network-bus is connected with the high straight cut of CAN bus, and the low of CAN bus is put down
Line is connected with the low straight cut of CAN bus.
It should be noted that when electric automobile is when charging, by the other end of the interface 103 of CAN bus
It is connected with the battery management system by the charging inlet of the electric automobile.So, during charging electric vehicle, cell tube
Carried out data transmission by CAN bus 104 between reason system and charger, it is ensured that being normally carried out of charging.Pass
Defeated data include to ask voltage, request electric current, detection voltage and detection electric current.
Temperature sensor 101, for detecting the temperature in the charging device.Temperature sensor 101 can be critesistor,
It can also be thermocouple.
Microprocessor 102, for receiving the temperature signal of the transmission of temperature sensor 101, and the temperature signal is resolved to
Temperature value, and the temperature value and preset temperature value are compared, if the temperature value is more than the preset temperature value, control should
CAN bus 104 stop data transfer, so that the electric automobile stops charging.
The temperature signal is the signal of temperature in the charging device.The preset temperature value is preset temperature value, and this is preset
Temperature value in the light of actual conditions can be configured.In actual applications, can be according to the service life of the charging device, charging
Performance or material etc. are configured, and e.g., if the charging device use time is longer, material ageing is serious, then arrange the preset temperature
Angle value is 60 degrees Celsius, if the charging device charging performance is preferable, arranges the preset temperature value for 70 degrees Celsius.
Alternatively, the microprocessor can receive the temperature signal of the transmission of temperature sensor 101 according to preset time interval.
The preset time interval self-defined can be configured, and in actual applications, the temperature for the ease of understanding the charging device becomes
The preset time interval can be set to 0.5 second or 1 second by change situation.
It should be noted that the data that transmits in CAN bus 104 are the charger to the battery management
The data that the data of system transfers and the battery management system are transmitted to the charger.Alternatively, the control of microprocessor 102 control
Device Area Network bus 104 processed stop the data from the charger to the battery management system transmission, so, battery management system
When not receiving the data that charger sends, battery management system control electric automobile stops charging.Due to charging circuit one
As be high-tension circuit, if directly disconnecting charging circuit potential safety hazard occurs.And terminate charging by battery management system
Process, it is ensured that charging safety.
Further, microprocessor 102, are additionally operable to send to this temperature value by the CAN bus
Battery management system and the charger, so that the charger and the battery management system show the temperature value.
In actual applications, the temperature value is sent to the electricity by microprocessor 102 by CAN bus 104
Pond management system and the charger, the temperature that user can be checked in the charging device by the battery management system or the charger
Degree, is easy to understand the heat condition of the charging device.
Further, microprocessor 102, are additionally operable to obtain the battery management system from CAN bus 104
The halt instruction that system or the charger send, and stop data according to the halt instruction control CAN bus 104
Transmission.
Further, microprocessor 102, are additionally operable to obtain the battery management system from CAN bus 104
The transmission instruction that system or the charger send, and data are carried out according to the transmission instruction control CAN bus 104
Transmission.
The halt instruction is used for controlling CAN bus 104 to stop data transfer.The transmission is instructed for controlling
CAN bus processed 104 carry out data transmission.It should be noted that the halt instruction and transmission instruction can roots
According to operation of the user in the operation interface of the battery management system or the charger, by the battery management system or the charger
Send to CAN bus 104.In actual charging process, stop charging to electric automobile, then microprocessor
102 according to the halt instruction, controls the CAN bus 104 to stop data transfer.Continue to fill to electric automobile
Electricity, then microprocessor 102 control the CAN bus 104 to carry out data transmission according to transmission instruction.So,
User can stop or continue the charging of electric automobile, improve the convenience of charging according to practical situation at any time.
Further, microprocessor 102, are additionally operable to obtain battery management system from the CAN bus 104
The replacement instruction that system or the charger send, and the preset temperature value is replaced with by the replacement instruction according to the replacement instruction include
Preset temperature value.
The replacement instruction is used for the preset temperature value in microprocessor 102 to be replaced with include in the replacement instruction preset
Temperature value, wherein, the numerical value of the preset temperature value in the preset temperature value that includes in the replacement instruction and microprocessor 102 is not
With.The preset temperature value for including in the replacement instruction is the temperature for being arranged by the battery management system or the charger by user
Value.In actual applications, when the charging device use time is longer, it may appear that aging, it is impossible to bear high temperature, need relatively low
At a temperature of stop charging, preferably to protect the charging device.At this moment, microprocessor 102 is total from the controller local area network
Obtain the replacement instruction that the battery management system or the charger send in line 104, and the preset temperature value is replaced with this and replace
Change the preset temperature value for including in instruction.For example, the preset temperature value for storing in microprocessor 102 is 60 degrees Celsius, the replacement
Preset temperature in instruction be 50 degrees Celsius, microprocessor 102 by 50 degrees Celsius replace 60 degrees Celsius, and using 50 degrees Celsius as
Preset temperature in microprocessor 102.So, be on the one hand conducive to the charging device is protected, extend the use of the charging device
Life-span；On the other hand, the convenience of charging is improve.
In the embodiment of the present invention, one end of the interface 103 of CAN bus is total by controller local area network
Line 104 is connected with microprocessor 102, and in charging electric vehicle, the other end of the interface 103 of CAN bus leads to
The charging inlet for crossing the electric automobile is connected with the battery management system, and microprocessor 102 is total by the controller local area network
Line 104 is connected with charger, and microprocessor 102 is also connected with temperature sensor 101, and temperature sensor 101 is used for detecting that this fills
Temperature in electric installation, microprocessor 102 is used for receiving the temperature signal of the transmission of temperature sensor 101, and by the temperature signal
Temperature value is resolved to, and the temperature value and preset temperature value are compared, if the temperature value is more than the preset temperature value,
The CAN bus 104 are controlled to stop data transfer, so that the electric automobile stops charging.Microprocessor 102 is also
For obtaining the halt instruction that the battery management system or the charger send from the CAN bus 104, and
The CAN bus 104 are controlled to stop data transfer according to the halt instruction.Microprocessor 102 is additionally operable to from the control
The transmission instruction that the battery management system or the charger send is obtained in device Area Network bus 104 processed, and according to the transmission
Instruction controls the CAN bus 104 to carry out data transmission.Microprocessor 102 is additionally operable to from the controller local area network
The replacement instruction that battery management system or the charger send is obtained in network bus 104, and according to the replacement instruction, this is preset
Temperature value replaces with the preset temperature value that the replacement instruction includes.In this way, when temperature value exceedes preset temperature value, microprocessor
102 can control the CAN bus 104 to stop data transfer, and then cause electric automobile to stop charging, it is to avoid
Temperature in charging device is too high and damages.
As the 3rd embodiment of the present invention, as shown in Fig. 2 Fig. 2 shows the stream of embodiment of the present invention charging method
Journey schematic diagram.The executive agent of the method is the charging device in first embodiment and second embodiment shown in Fig. 1.The present invention
There is provided a kind of charging method, the method includes：
S201, by built-in temperature sensor detection temperature.
The temperature is the temperature of the detection means.The detection means by built-in temperature sensor detection temperature its own
Temperature.
If the temperature value that S202 is detected is more than preset temperature value, data in stop control Area Network bus
Transmission, so that electric automobile stops charging.
The temperature value is the numerical value of the temperature of the charging device.The data that transmits in the CAN bus are electricity
Electrical automobile charge when, between charger and battery management system transmit data.
In the embodiment of the present invention, by built-in temperature sensor detection temperature, if the temperature value for detecting is more than preset
Temperature value, then in stop control Area Network bus data transmission so that electric automobile stops charging, the data are for electronic
Automobile charge when, between charger and battery management system transmit data.Therefore, when temperature value exceedes preset temperature value
When, stop data transfer, and then cause electric automobile to stop charging, it is to avoid temperature in charging device is too high and damage.
As the 4th embodiment of the present invention, as shown in figure 3, Fig. 3 shows the stream of embodiment of the present invention charging method
Journey schematic diagram.The executive agent of the method is the charging device in first embodiment and second embodiment shown in Fig. 1.The present invention
There is provided a kind of charging method, the method includes：
S301, by built-in temperature sensor detection temperature.
The temperature is the temperature of the detection means.The detection means by built-in temperature sensor detection temperature its own
Temperature.
If the temperature value that S302 is detected is more than preset temperature value, data in stop control Area Network bus
Transmission, so that electric automobile stops charging.
The temperature value is the numerical value of the temperature of the charging device.The charging device should by built-in temperature sensor detection
The temperature of charging device.The preset temperature value is preset temperature value, and the charging device is pre- by this by built-in microprocessor
Put temperature value to be stored in advance.The preset temperature value in the light of actual conditions can be configured.In actual applications, Ke Yigen
It is configured according to the service life of the charging device, charging performance or material etc., e.g., if the charging device use time is longer,
Material ageing is serious, then arrange the preset temperature value for 60 degrees Celsius, if the charging device charging performance is preferable, arrange this pre-
Temperature value is put for 70 degrees Celsius.
The data that transmits in the CAN bus be electric automobile when charging, charger and battery management system
The data that transmits between system, such as request voltage, request electric current, detection voltage and detection electric current.It should be noted that working as electronic vapour
Car is when charging, and the charging device passes through the interface of built-in CAN bus and the charging inlet of the electric automobile
It is attached, and then is connected with the battery management system.So, during charging electric vehicle, battery management system and fill
Carried out data transmission by CAN bus between motor, it is ensured that being normally carried out of charging.
It should be noted that when the charging device stops the data transfer of the CAN bus, the battery
Management system does not receive the data that the charger sends, and the battery management system control electric automobile stops charging.Due to filling
Circuit is generally high-tension circuit, if directly disconnecting charging circuit potential safety hazard occurs.And by battery management system come
Terminate charging process, it is ensured that charging safety.
S303, the temperature value is sent to the charger and the battery management system by the CAN bus
System, so that the charger and the battery management system show the temperature value.
In actual applications, the temperature value is sent to the battery by the charging device by the CAN bus
Management system and the charger, the temperature that user can be checked in the charging device by the battery management system or the charger
Degree, is easy to understand the heat condition of the charging device.
If the temperature value for detecting is less than or equal to the preset temperature value, in the CAN bus, data are being just
Often transmit, the electric automobile continues to charge.
S304, the stopping that the battery management system or the charger send is obtained from the CAN bus refer to
Order.
S305, the CAN bus are controlled to stop data transfer according to the halt instruction.
S306, the transmission that the battery management system or the charger send is obtained from the CAN bus refer to
Order.
S307, the CAN bus are controlled to carry out data transmission according to transmission instruction.
The halt instruction is used for controlling the CAN bus to stop data transfer.The transmission is instructed for controlling
The CAN bus carry out data transmission.It should be noted that the halt instruction and transmission instruction can bases
Operation of the user in the operation interface of the battery management system or the charger, is sent out by the battery management system or the charger
Deliver to the CAN bus.In actual charging process, stop charging to electric automobile, then the charging device root
According to the halt instruction, the CAN bus are controlled to stop data transfer.Continue to charge to electric automobile, then this fills
Electric installation controls the CAN bus to carry out data transmission according to the transmission instruction.So, user can be according to reality
Border situation, stops or continues the charging of electric automobile at any time, improve the convenience of charging.
S308, the replacement that the battery management system or the charger send is obtained from the CAN bus refer to
Order.
S309, the preset temperature value is replaced with by the preset temperature value that the replacement instruction includes according to the replacement instruction.
The replacement instruction is replaced for the preset temperature value for storing in microprocessor built-in for the charging device is replaced with this
The preset temperature value that includes in instruction is changed, wherein, preset in the preset temperature value that includes in the replacement instruction and microprocessor
The numerical value difference of temperature value.The preset temperature value for including in the replacement instruction be by user by the battery management system or this fill
The temperature value that motor is arranged.In actual applications, when the charging device use time is longer, it may appear that aging, it is impossible to bear height
Temperature, needs to stop at a lower temperature charging, preferably to protect the charging device.At this moment, the charging device is from the control
Obtain the replacement instruction that the battery management system or the charger send in device Area Network bus processed, and by the preset temperature value
Replace with the preset temperature value for including in the replacement instruction.For example, stored in the built-in microprocessor of the charging device is preset
Temperature value is 60 degrees Celsius, and the preset temperature in the replacement instruction is that 50 degrees Celsius, the charging device replaces 60 by 50 degrees Celsius
Degree Celsius, and the preset temperature that 50 degrees Celsius are stored as in the charging device embedded micro-processor.So, on the one hand favourable
In the charging device is protected, extend the service life of the charging device；On the other hand, the convenience of charging is improve.
The embodiment of the present invention, by built-in temperature sensor detection temperature, if the temperature value for detecting is more than preset temperature
Angle value, then in stop control Area Network bus data transmission so that electric automobile stops charging, the temperature value filled for this
The numerical value of the temperature of electric installation, the data be electric automobile charge when, between charger and battery management system transmit number
According to the temperature value is sent to the charger and the battery management system, so that user by the CAN bus
Checked, the halt instruction that the battery management system or the charger send is obtained from the CAN bus,
And control the CAN bus to stop data transfer according to the halt instruction, from the CAN bus
The transmission instruction that the battery management system or the charger send is obtained, and the controller local area network is controlled according to the transmission instruction
Network bus carries out data transmission, and what from the CAN bus, acquisition battery management system or the charger sent replaces
Instruction is changed, and the preset temperature value is replaced with by the preset temperature value that the replacement instruction includes according to the replacement instruction.Therefore, when
When temperature value exceedes preset temperature value, stop data transfer, and then cause electric automobile to stop charging, it is to avoid in charging device
Temperature is too high and damages.
In multiple embodiments provided herein, it should be understood that disclosed system, apparatus and method, permissible
Realize by another way.For example, device embodiment described above is only schematic, for example, the module
Divide, only a kind of division of logic function, can have other dividing mode, such as multiple module or components when actually realizing
Can in conjunction with or be desirably integrated into another system, or some features can be ignored, or not execute.Another, shown or
The coupling each other for discussing or direct-coupling or communication linkage can be the indirect couplings of device or module by some interfaces
Close or communication linkage, can be electrical, mechanical or other forms.
The module that illustrates as separating component can be or may not be physically separate, aobvious as module
The part for showing can be or may not be physical module, you can be located at a place, or can also be distributed to multiple
On mixed-media network modules mixed-media.Some or all of module therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional module in each embodiment of the present invention can be integrated in a processing module, it is also possible to
It is that modules are individually physically present, it is also possible to which two or more modules are integrated in a module.Above-mentioned integrated mould
Block both can be realized in the form of hardware, it would however also be possible to employ the form of software function module is realized.
If the integrated module is realized and as independent production marketing or use using in the form of software function module
When, can be stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially
The part in other words prior art being contributed or all or part of the technical scheme can be in the form of software products
Embody, the computer software product is stored in a storage medium, use so that a computer including some instructions
Equipment (can be personal computer, server, or network equipment etc.) executes the complete of each embodiment methods described of the present invention
Portion or part steps.And aforesaid storage medium includes：USB flash disk, portable hard drive, read only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
It should be noted that for aforesaid each method embodiment, for easy description, therefore which is all expressed as a series of
Combination of actions, but those skilled in the art should know, the present invention is not limited by described sequence of movement because
According to the present invention, some steps can adopt other orders or while carry out.Secondly, those skilled in the art should also know
Know, embodiment described in this description belongs to preferred embodiment, and involved action and module might not be all these
Bright necessary.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and does not have the portion that describes in detail in certain embodiment
Point, may refer to the associated description of other embodiments.
It is more than the description to charging device provided by the present invention and method, for those skilled in the art, foundation
The thought of the embodiment of the present invention, all will change in specific embodiments and applications, to sum up, this specification content
Should not be construed as limiting the invention.
Claims (10)
1. a kind of charging device, it is characterised in that described device includes：Temperature sensor, microprocessor, controller local area network
Bus and the interface of CAN bus；
One end of the interface of the CAN bus is by the CAN bus and the microprocessor
Device is connected, and in charging electric vehicle, the other end of the interface of the CAN bus passes through the electric automobile
Charging inlet be connected with battery management system, the microprocessor is by the CAN bus and charger phase
Even, the microprocessor is also connected with the temperature sensor；
The temperature sensor, for detecting the temperature of the charging device；
The microprocessor, for receiving the temperature signal of temperature sensor transmission, and the temperature signal is resolved to
Temperature value, and the temperature value and preset temperature value are compared, if the temperature value is more than the preset temperature value,
The CAN bus are controlled to stop data transfer, so that the electric automobile stops charging.
2. device according to claim 1, it is characterised in that
The microprocessor, is additionally operable to send to battery management system the temperature value by the CAN bus
System and charger, so that the charger and the battery management system show the temperature value.
3. device according to claim 1, it is characterised in that
The microprocessor, is additionally operable to obtain the battery management system from the CAN bus or described fills
The halt instruction that motor sends, and control the CAN bus to stop data transfer according to the halt instruction.
4. device according to claim 1, it is characterised in that
The microprocessor, is additionally operable to obtain the battery management system from the CAN bus or described fills
The transmission instruction that motor sends, and carried out data transmission according to the transmission instruction control CAN bus.
5. device according to claim 1, it is characterised in that
The microprocessor, is additionally operable to obtain the battery management system from the CAN bus or described fills
The replacement instruction that motor sends, and according to the replacement instruction, the preset temperature value is replaced with what the replacement instruction included
Target preset temperature value.
6. a kind of charging method, it is characterised in that methods described includes：
By built-in temperature sensor detection temperature；
If the temperature value for detecting be more than preset temperature value, the transmission of data in stop control Area Network bus so that
Electric automobile stop charge, the data be electric automobile charge when, between charger and battery management system transmit number
According to.
7. method according to claim 6, it is characterised in that methods described also includes：
The temperature value is sent to the charger and the battery management system by the CAN bus,
So that the charger and the battery management system show the temperature value.
8. method according to claim 1, it is characterised in that methods described also includes：
The halt instruction that the battery management system or the charger send is obtained from the CAN bus；
The CAN bus are controlled to stop data transfer according to the halt instruction.
9. method according to claim 1, it is characterised in that methods described also includes：
The transmission instruction that the battery management system or the charger send is obtained from the CAN bus；
Carried out data transmission according to the transmission instruction control CAN bus.
10. method according to claim 1, it is characterised in that methods described also includes：
The replacement instruction that the battery management system or the charger send is obtained from the CAN bus；
The preset temperature value is replaced with by the target preset temperature value that the replacement instruction includes according to the replacement instruction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611087054.1A CN106451678A (en) | 2016-11-30 | 2016-11-30 | Charging device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611087054.1A CN106451678A (en) | 2016-11-30 | 2016-11-30 | Charging device and method |
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| CN106451678A true CN106451678A (en) | 2017-02-22 |
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| CN201611087054.1A Pending CN106451678A (en) | 2016-11-30 | 2016-11-30 | Charging device and method |
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