CN110324394A - Cloud Server, electric car and its prompt system, method - Google Patents
Cloud Server, electric car and its prompt system, method Download PDFInfo
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- CN110324394A CN110324394A CN201810297926.XA CN201810297926A CN110324394A CN 110324394 A CN110324394 A CN 110324394A CN 201810297926 A CN201810297926 A CN 201810297926A CN 110324394 A CN110324394 A CN 110324394A
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- 238000000034 method Methods 0.000 title claims description 25
- 238000012423 maintenance Methods 0.000 claims description 34
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- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims description 3
- 235000003140 Panax quinquefolius Nutrition 0.000 claims description 3
- 235000008434 ginseng Nutrition 0.000 claims description 3
- 230000003862 health status Effects 0.000 claims 6
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- 230000005611 electricity Effects 0.000 description 9
- 238000012544 monitoring process Methods 0.000 description 9
- 238000003745 diagnosis Methods 0.000 description 7
- 230000002159 abnormal effect Effects 0.000 description 6
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/12—Messaging; Mailboxes; Announcements
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- 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
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- 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
- Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
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- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
- Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
- Y04S30/12—Remote or cooperative charging
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- Engineering & Computer Science (AREA)
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Computing Systems (AREA)
- General Health & Medical Sciences (AREA)
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
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Abstract
The invention discloses a kind of Cloud Server, electric car and its prompt systems, wherein, prompt system includes Cloud Server, client and the battery management system BMS being arranged on the electric car, wherein, BMS, level one data is generated for acquiring the state parameter of the power battery of electric car, and according to the state parameter of power battery, and level one data is sent to Cloud Server；Cloud Server, for being judged whether to reach implied condition according to level one data, prompt information is sent to the client bound with electric car if reaching above-mentioned implied condition, thus, the current operating conditions that family understands power battery in electric car in time are able to use, in order to handle power battery of problems or monomer.
Description
Technical field
The present invention relates to electric vehicle engineering field, in particular to a kind of prompt system of electric car, a kind of electronic vapour
The reminding method of vehicle, a kind of electric car and a kind of Cloud Server.
Background technique
Lithium ion battery is by energy density height, output voltage height, good cycle, self-discharge rate are small, fast charging and discharging,
The advantages that charge efficiency is high, the green energy resource as a kind of non-environmental-pollution, is widely used and leads in electric car etc.
Domain.
Different from conventional fuel oil car using launching system as maintenance emphasis, the maintenance of electric car is motor, becomes in emphasis
Fast case and power battery.As a source of power, the maintenance, maintenance and maintenance of power lithium-ion battery seem extremely important.
At present the maintenance mode of electric powered motor lithium ion battery be by car owner periodically to service shop to battery into
Row monitoring and diagnosis then can be right according to after-sales service handbook when finding a certain section or higher a few section single battery attenuation degrees
The higher a few section single batteries of attenuation degree are replaced, and the power lithium-ion battery after replacement carries out a charge and discharge again and follows
Ring, after confirmation battery consistency is preferable, in conjunction with the equal of BMS (Battery Management System, battery management system)
Weigh function, so that remaining battery active volume maximizes.
However, above-mentioned maintenance mode is excessively passive and lacks foresight, once a section or a few section monomer capacity in battery
When decaying is faster than other monomers, the continual mileage that car owner can only experience electric car is not allowed or decaying, but does not know battery
Specific fault message, more without any information alert, the vehicle is overhauled, once car owner is negligent of overhauling, then will lead to therefore
The cracking severity aggravation for hindering monomer, may finally bring serious economic loss, and user experience is bad to user.
Meanwhile above-mentioned maintenance mode is by carrying out the U-Q charging song that charge and discharge cycles experiment obtains each monomer to battery
Line, and the remaining active volume and SOC dislocation of monomer are judged and calculated according to the consistency of monomer curve, and then identify event
Hinder monomer section number, and regard concrete condition replacement single battery or entire battery, maintenance mode is relatively complicated, takes a long time.
Summary of the invention
The present invention is directed to solve one of the technical problem in above-mentioned technology at least to a certain extent.For this purpose, of the invention
One purpose is to propose a kind of prompt system of electric car, so that user understands working as power battery in electric car in time
Preceding operating status, in order to handle power battery of problems or monomer.
Second object of the present invention is to propose a kind of reminding method of electric car.
Third object of the present invention is to propose a kind of electric car.
Fourth object of the present invention is to propose a kind of Cloud Server.
In order to achieve the above objectives, first aspect present invention embodiment proposes a kind of prompt system of electric car, including
Cloud Server, client and the battery management system BMS being arranged on the electric car, wherein the BMS, for adopting
Collect the state parameter of the power battery of the electric car, and level one data generated according to the state parameter of the power battery,
And the level one data is sent to the Cloud Server；The Cloud Server, for being according to level one data judgement
It is no to reach implied condition, prompt letter is sent to the client bound with the electric car if reaching above-mentioned implied condition
Breath.
The prompt system of electric car according to an embodiment of the present invention acquires the power battery of electric car by BMS
State parameter, and level one data is generated according to the state parameter of power battery, and level one data is sent to Cloud Server, into
And judged whether to reach implied condition according to the level one data that BMS is reported by Cloud Server, and reaching above-mentioned implied condition
The client of Shi Xiangyu electric car binding sends prompt information, and thereby, it is possible to so that user is understood power in electric car in time
The current operating conditions of battery, in order to handle power battery of problems or monomer.
In order to achieve the above objectives, second aspect of the present invention embodiment proposes a kind of reminding method of electric car, described
Battery management system BMS is provided on electric car, wherein the BMS acquires the shape of the power battery of the electric car
State parameter, and level one data is generated according to the state parameter of the power battery, and the level one data is sent to cloud clothes
Business device；The Cloud Server judges whether to reach implied condition according to the level one data, if reaching above-mentioned implied condition
Prompt information is sent to the client bound with the electric car.
The reminding method of electric car according to an embodiment of the present invention, first by the power battery of BMS acquisition electric car
State parameter, and level one data is generated according to the state parameter of power battery, and level one data is sent to Cloud Server,
And then judged whether to reach implied condition according to the level one data that BMS is reported by Cloud Server, and reaching above-mentioned implied condition
The client of Shi Xiangyu electric car binding sends prompt information, and thereby, it is possible to so that user is understood power in electric car in time
The current operating conditions of battery, in order to handle power battery of problems or monomer.
In order to achieve the above objectives, third aspect present invention embodiment proposes a kind of electric car, comprising: power battery,
The power battery includes multiple single batteries；Battery management system BMS, the BMS include: multiple battery collector BIC, institute
It is corresponding with multiple single batteries in the power battery respectively to state multiple BIC, for acquiring the multiple single battery
State parameter, battery control unit BCU, the BCU is connected with the multiple BIC, and is communicated with the Cloud Server, institute
BCU is stated for being sent to according to the state parameter of the power battery generation level one data, and by the level one data
The Cloud Server so that the Cloud Server when judging that the level one data reaches implied condition to the electric car
The client of binding sends prompt information.
Electric car according to an embodiment of the present invention acquires the state parameter of the power battery of electric car by BMS, and
Level one data is generated according to the state parameter of power battery, and level one data is sent to Cloud Server, to pass through cloud service
Device judges whether to reach implied condition according to the level one data that BMS is reported, and when reaching above-mentioned implied condition to electronic vapour
The client of vehicle binding sends prompt information, and thereby, it is possible to so that user is understood the current fortune of power battery in electric car in time
Row state, in order to handle power battery of problems or monomer.
In order to achieve the above objectives, fourth aspect present invention embodiment proposes a kind of Cloud Server, comprising: judgment module,
Judge whether to reach implied condition for the level one data reported of the BMS according to electric car, wherein the BMS is according to
The state parameter of power battery generates the level one data；First sending module, for when reaching above-mentioned implied condition, to
The client of the electric car binding sends prompt information.
Cloud Server according to an embodiment of the present invention, the series reported by judgment module according to the BMS of electric car
It is judged that whether reach implied condition, through the first sending module when reaching above-mentioned implied condition, to the electric car
The client of binding sends warning message, and thereby, it is possible to so that user is understood the current operation of power battery in electric car in time
State, in order to handle power battery of problems or monomer.
Detailed description of the invention
Fig. 1 is the system that user's use habit according to an embodiment of the invention according to electric car is prompted
Structural block diagram；
Fig. 2 be user's use habit according to electric car accord to a specific embodiment of that present invention prompted be
The structural block diagram of system；
Fig. 3 is that another specific embodiment is prompted according to user's use habit of electric car according to the present invention
The structural block diagram of system；
Fig. 4 is the method that user's use habit according to an embodiment of the invention according to electric car is prompted
Flow chart；
Fig. 5 is the structural block diagram of electric car according to an embodiment of the present invention；
Fig. 6 is the structural block diagram of Cloud Server according to an embodiment of the invention；
Fig. 7 is the structural block diagram of Cloud Server in accordance with another embodiment of the present invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
Cloud Server, electric car and its prompt system, the method for the embodiment of the present invention described with reference to the accompanying drawing.
Fig. 1 is the structural block diagram of the prompt system of electric car according to an embodiment of the present invention.As shown in Figure 1, the system
100 include Cloud Server 10, client 30 and the battery management system BMS20 being arranged on electric car.
Wherein, BMS20 is used to acquire the state parameter of the power battery of electric car, and is joined according to the state of power battery
Number generates level one data, and level one data is sent to Cloud Server 10.
In an embodiment of the present invention, the state parameter of power battery includes but is not limited to power electric battery charge and discharge process
In voltage, electric current, temperature, power, balanced electricity, charge/discharge capacity, mileage travelled, charge and discharge number, charge and discharge time etc..
Optionally, BMS20 can every preset time by OBD (On-Board Diagnostic, onboard diagnostic system),
Level one data is uploaded to Cloud Server 10 by the communications such as vehicular wireless network, WiFi, bluetooth, cellular network.
Cloud Server 10 according to level one data for judging whether to reach implied condition, if reaching above-mentioned implied condition
Warning message is sent to the client 30 bound with electric car.
Wherein, implied condition at least can be, but not limited to be power battery time of repose be greater than the first preset time threshold
Value；The temperature of power battery is greater than the first preset temperature threshold, or less than the second preset temperature threshold；Power battery it is charged
State is at full capacity or excess load, and to hold time greater than the second preset time threshold；The SOH of power battery is less than preset threshold
In one.
Specifically, Cloud Server 10 can pass through GPS (Global when reaching implied condition according to level one data judgement
Positioning System, global positioning system) and/or GSM (Global System for Mobile
Communication, global system for mobile communications) to the transmission prompt information of client 30 bound with electric car, to remind
User actively carries out maintenance to the power battery of electric car.Wherein, client 30 can be the setting of self-contained power automobile
User mobile terminal, such as smart phone, Pad be also possible to install or be integrated on electric car, such as vehicle-mounted more matchmakers
Body.
In first example of the invention, level one data includes the time of repose of power battery, upon standing between be greater than
When the first preset time threshold, Cloud Server 10 sends the prompt for carrying out charging and balanced maintenance to client 30.
Specifically, when detecting that the power battery long period do not update charge and discharge data, i.e., power battery lie on the table compared with
For a long time, phenomena such as power battery is because of self discharge and capacity attenuation at this time will lead to the decline of power battery residue active volume, very
It misplaces to there is a degree of SOC (State of Charge, state-of-charge).It is greater than when the time that lies on the table of power battery
When the first preset time, the judgement of Cloud Server 10 reaches implied condition, and through wireless communication to client such as car owner
Mobile phone send warning note (such as first prompt tone, or corresponding voice prompting, Word message prompting etc.), to remind car owner to electricity
Electrical automobile carries out charging and balanced maintenance.
In second example of the invention, level one data includes the temperature of power battery, when the temperature of power battery is big
In the first preset temperature threshold, or when less than the second preset temperature threshold, it is different that Cloud Server 10 to client 30 sends temperature
Normal prompt, wherein the second preset temperature threshold is less than the first preset temperature threshold.
Specifically, when detecting that power battery operating temperature is in high temperature for a long time, as the temperature of power battery is greater than the
When one preset temperature threshold, the judgement of Cloud Server 10 reaches implied condition, and through wireless communication to client such as vehicle
Main mobile phone sends the prompt of battery temperature abnormal alarm (such as second prompt tone, or corresponding voice prompting, Word message prompting etc.),
The reason of to remind car owner to go service shop maintenance power battery overheat as early as possible, (whether such as temperature sampling and monitoring function were abnormal, electricity
Whether pond cooling system is abnormal etc.).
When detecting that power battery operating temperature is in low temperature for a long time, if the temperature of power battery is less than the second default temperature
When spending threshold value, the judgement of Cloud Server 10 reaches implied condition, and through wireless communication to the mobile phone of client such as car owner
The prompt of battery temperature abnormal alarm (such as third prompt tone, or corresponding voice prompting, Word message prompting etc.) is sent, to remind vehicle
(whether such as temperature sampling and monitoring function are abnormal, and battery is cold for the main reason for going service shop maintenance temperature of powered cell too low as early as possible
But whether system is abnormal etc.).
In third example of the invention, level one data includes the state-of-charge of power battery, when the lotus of power battery
Electricity condition is that at full capacity or excess load, and when holding time greater than the second preset time threshold, Cloud Server 10 is to client 30
Send prompt.
Specifically, when detecting that power battery discharge regime is at full capacity for a long time or excess load, i.e. output power connect
It is bordering on maximum SOP (State of Power, power rating) when holding time greater than the second preset time of value, Cloud Server 10
Judgement reaches implied condition, and sends battery temperature excess load report to the mobile phone of client such as car owner through wireless communication
Alert prompt (such as the 4th prompt tone, or corresponding voice prompting, Word message prompting etc.), to remind car owner mildly to drive vehicle.
In the 4th example of the invention, level one data includes SOH (State of Health, the health of power battery
State), when the SOH of power battery is less than preset threshold, Cloud Server 10 sends to client 30 and prompts.
Specifically, when detecting that the SOH of power battery already below thresholding is replaced as defined in producer, that is, is less than preset threshold
When, the judgement of Cloud Server 10 reaches implied condition, and sends electricity to the mobile phone of client such as car owner through wireless communication
Pond temperature anomaly warning note (such as the 5th prompt tone, or corresponding voice prompting, Word message prompting etc.), to remind car owner as early as possible
Service shop is gone to replace power battery.
In one embodiment of the invention, Cloud Server 10 be also used to obtain electric car vehicle identification code VIN and
Level one data, and secondary data is generated according to VIN and level one data, and secondary data is sent to BMS20.
Wherein, secondary data includes that charge and discharge U-I (i.e. voltage-to-current) reference curve, the OCV-Q of power battery (are opened
Road voltage-battery capacity) reference curve, Q-SOH (i.e. battery capacity-by health state) reference curve, R-SOH-I-T (i.e. resistance-
Health status-current-temperature) reference curve and history self-discharge rate reference curve.
Optionally, multiple historical data bases be may be provided in Cloud Server 10, each historical data base respectively corresponds difference
Electric car, and can be distinguished with the vehicle identification code VIN of electric car.Wherein, vehicle identification code VIN may include vehicle frame
Number, power battery number and production batch number etc..
Specifically, while BMS20 sends level one data to Cloud Server 10, also transmission vehicle identification code VIN, cloud service
Device 10 can search corresponding historical data according to the VIN, and then generate two according to the historical data and the level one data received
Grade data, and secondary data is sent to BMS20.
Further, BMS20 receives the secondary data that Cloud Server 10 is fed back, and according to secondary data to pre- in BMS20
The reference curve deposited is updated.
In this way, going deep into power battery charge and discharge cycles, BMS20 is constantly fitted and obtains new level one data and upload
To Cloud Server 10, Cloud Server 10 is continuously generated new secondary data according to historical data and level one data and is back to
BMS10, continuous loop iteration, thereby, it is possible to make the prediction result of entire battery system closer to the true shape of power battery
State is conducive to effectively manage power battery.
Wherein, historical data may include history charge and discharge U-I curve, the history OCV-Q curve, history Q- of power battery
SOH curve, history R-SOH-I-T curve and history self-discharge rate etc..
In an embodiment of the present invention, as shown in Fig. 2, BMS20 includes that multiple battery collector BIC21 and battery control are single
First BCU22.
Wherein, multiple BIC21 are corresponding with multiple single batteries in power battery respectively, for acquiring multiple monomer electricity
The state parameter in pond.BCU22 is connected with multiple BIC21, and is communicated with Cloud Server 10, and BCU22 is used for according to power electric
The state parameter in pond generates level one data, and receives the secondary data of Cloud Server 10, and according to secondary data in BMS20
The reference curve prestored is updated.
Optionally, each BIC21 can pass through CAN (Controller Area Network controller local area network), vehicle
Level one data is sent to BCU22 by support grid network FlexRay or Daisy Chain (daisy chain).
In this embodiment, BCU22 and all BIC21 can be assemblied in electronic vapour together with all battery cell pack
Inside the cabin of vehicle.
Specifically, BIC21 is used for battery cell voltage sampling and monitoring, battery balanced, battery pack temperature sampling and monitoring,
BCU22 is for bus current detection, system insulation monitoring, battery system up/down fulgurite reason, battery system heat management, battery lotus
Electricity condition SOC (State of Charge) estimation, cell health state SOH (State of Health) estimation, the power of battery
State SOP (State of Power) estimation, fault diagnosis, vehicle communicate and in sequence of threads update, data record etc..
Further, as shown in figure 3, BCU22 includes the first controller 22a and second controller 22b.Wherein, the first control
Device 22a processed is used to carry out full-vehicle control according to the state parameter of power battery.Second controller 22b be used for Cloud Server 10 into
Row communication, and level one data is generated according to the state parameter of power battery, and receive the secondary data of Cloud Server, and according to
Secondary data is updated the reference curve prestored in BMS.
In this embodiment, BCU22 has double MCU of powerful data space and high-speed data processing speed (i.e.
First controller 22a and second controller 22b), there is off-line data processing capacity, and can module by wireless communication, by
Communication and Cloud Server 10 carry out data interaction.And then by Cloud Server 10 to power battery whole life cycle
Battery status information and state parameter carry out cloud computing and big data analysis, realize current state management to power battery with not
Carry out status predication.
To sum up, the prompt system of electric car according to an embodiment of the present invention, by Cloud Server and BMS and client it
Between interaction technique and machine learning techniques, tracking electric automobile power battery can be continued from factory to the entire of replacement
The data of life cycle, so as to grasp the history dynamic data of battery comprehensively, to the information monitoring and fault diagnosis of battery
It is more proactive, more accurate；By wireless network transmissions, by predictive maintenance and maintenance suggest etc. prompt informations by
Cloud Server pushes to client, reminds car owner to maintain and safeguard battery, improves the hommization and intelligence of after-sale service
Degree can be changed, and then promote the usage experience of user.In addition, service shop can directly using Cloud Server intellectual analysis as a result,
Predictive maintenance maintenance and repair targetedly is carried out to power battery, to save the diagnosis of battery charging and discharging cycle detection
Time improves the working efficiency in service shop, also saves the time of user, to improve economic benefit and social efficiency.
Fig. 4 is the flow chart of the reminding method of electric car according to an embodiment of the invention.
In an embodiment of the present invention, battery management system BMS is provided on electric car.
As shown in figure 4, the reminding method the following steps are included:
S101, BMS acquire the state parameter of the power battery of electric car, and are generated according to the state parameter of power battery
Level one data, and level one data is sent to Cloud Server.
S102, Cloud Server judge whether to reach implied condition according to level one data, if reaching above-mentioned implied condition
Prompt information is sent to the client bound with electric car.
In one embodiment of the invention, Cloud Server also obtains the vehicle identification code VIN and a series of electric car
According to, and secondary data is generated according to VIN and level one data, and secondary data is sent to BMS；BMS receives Cloud Server feedback
Secondary data, and the reference curve prestored in BMS is updated according to secondary data.
Wherein, secondary data includes charge and discharge U-I reference curve, OCV-Q reference curve, the Q-SOH reference of power battery
Curve, R-SOH-I-T reference curve and history self-discharge rate reference curve.
In first example of the invention, level one data includes the time of repose of power battery, upon standing between be greater than
When the first preset time threshold, Cloud Server sends the prompt for carrying out charging and balanced maintenance to client.
In second example of the invention, level one data includes the temperature of power battery, when the temperature of power battery is big
In the first preset temperature threshold, or when less than the second preset temperature threshold, Cloud Server sends temperature anomaly to client
Prompt, wherein the second preset temperature threshold is less than the first preset temperature threshold.
In third example of the invention, level one data includes the state-of-charge of power battery, when the lotus of power battery
Electricity condition is that at full capacity or excess load, and when holding time greater than the second preset time threshold, Cloud Server is sent to client
Prompt.
In the 4th example of the invention, level one data includes the SOH of power battery, when the SOH of power battery is less than
When preset threshold, Cloud Server sends to client and prompts.
It should be noted that other specific embodiments of the reminding method of the electric car of the embodiment of the present invention can refer to
The specific embodiment of the prompt system of the electric car of above-described embodiment.
The prompt system of electric car according to an embodiment of the present invention, by between Cloud Server and BMS and client
Interaction technique and machine learning techniques can continue entire life of the tracking electric automobile power battery from factory to replacement
The data in period, so as to grasp the history dynamic data of battery comprehensively, information monitoring and fault diagnosis to battery are more
It is proactive, more accurate；By wireless network transmissions, the prompt informations such as predictive maintenance and maintenance suggestion are taken by cloud
Business device pushes to client, reminds car owner to maintain and safeguard battery, improves the hommization and intelligence of after-sale service
Degree, and then promote the usage experience of user.In addition, can be directly using the intellectual analysis of Cloud Server as a result, there be needle in service shop
Predictive maintenance maintenance and repair is carried out to power battery to property, thus when saving the diagnosis of battery charging and discharging cycle detection
Between, the working efficiency in service shop is improved, the time of user is also saved, to improve economic benefit and social efficiency.
Fig. 5 is the structural block diagram of electric car according to an embodiment of the present invention.As shown in figure 5, the electric car 1000 wraps
Include power battery 200 and BMS20.
Wherein, power battery 200 includes multiple single batteries.
Referring to fig. 2, BMS20 includes multiple battery collector BIC21 and battery control unit BCU22.
Wherein, multiple BIC21 are corresponding with multiple single batteries respectively, and the state for acquiring multiple single batteries is joined
Number.BCU22 is connected with multiple BIC21, and is communicated with Cloud Server 10, and BCU22 is used to be joined according to the state of power battery
Number generates level one datas, and level one data is sent to Cloud Server 10, so that Cloud Server is mentioned judging that level one data reaches
Show that the client of condition Shi Xiangyu electric car binding sends prompt information.
In an embodiment of the present invention, level one data include at least the time of repose of power battery, power battery temperature,
The state-of-charge of power battery, power battery by one of health state SOH.
Specifically, upon standing between be greater than the first preset time threshold when, Cloud Server to client transmission charge
With the prompt of equilibrium maintenance；When the temperature of power battery is greater than the first preset temperature threshold, or less than the second preset temperature threshold
When value, Cloud Server sends the prompt of temperature anomaly to client, wherein the second preset temperature threshold is less than the first preset temperature
Threshold value；When the state-of-charge of power battery be at full capacity or excess load, and when holding time greater than the second preset time threshold, cloud
Server sends to client and prompts；When the SOH of power battery is less than preset threshold, Cloud Server is mentioned to client transmission
Show.
In one embodiment of the invention, Cloud Server also obtains the vehicle identification code VIN and one of electric car 1000
Grade data, and secondary data is generated according to VIN and level one data, and secondary data is sent to BMS20.
Further, BCU22 is also used to receive the secondary data of Cloud Server feedback, and according to secondary data to BMS20
In the reference curve that prestores be updated.
It include the first controller 22a and second controller 22b referring to Fig. 3, BCU22.Wherein, the first controller 22a is used for
Full-vehicle control is carried out according to the state parameter of power battery.Second controller 22b with Cloud Server 10 for being communicated, and root
Level one data is generated according to the state parameter of power battery, and receives the secondary data of Cloud Server, and according to secondary data pair
The reference curve prestored in BMS is updated.
In one embodiment of the invention, secondary data includes charge and discharge U-I reference curve, the OCV-Q of power battery
Reference curve, Q-SOH reference curve, R-SOH-I-T reference curve and history self-discharge rate reference curve.
It should be noted that other specific embodiments of the electric car of the embodiment of the present invention can refer to above-described embodiment
Electric car prompt system in BMS20 specific embodiment.
The electric car of the embodiment of the present invention is communicated by BMS with Cloud Server, to pass through Cloud Server to the electricity
The relevant parameter of the power battery of electrical automobile carries out vertical analysis, understands the status information of power battery in time conducive to user, with
Just maintenance actively is carried out to power battery.
Fig. 6 is the structural block diagram of Cloud Server according to an embodiment of the invention.As shown in fig. 6, Cloud Server 10 wraps
Include judgment module 11 and the first sending module 12.
Wherein, judgment module 11 according to the level one data that the BMS of electric car is reported for judging whether to reach prompt item
Part, wherein BMS generates level one data according to the state parameter of power battery.
First sending module 12 is used for when reaching above-mentioned implied condition, is mentioned to the client transmission bound with electric car
Show information.
Specifically, level one data can include but is not limited to the time of repose of power battery, the temperature of power battery, power
The state-of-charge of battery and the SOH of power battery.Wherein, upon standing between be greater than the first preset time threshold when, first send
Module 12 sends the prompt for carrying out charging and balanced maintenance to client；When the temperature of power battery is greater than the first preset temperature threshold
Value, or when less than the second preset temperature threshold, the first sending module 12 sends the prompt of temperature anomaly to client, wherein
Second preset temperature threshold is less than the first preset temperature threshold；When the state-of-charge of power battery be at full capacity or excess load, and
When holding time greater than the second preset time threshold, the first sending module 12 sends to client and prompts；As the SOH of power battery
When less than preset threshold, the first sending module 12 sends to client and prompts.
In one embodiment of the invention, as shown in fig. 7, Cloud Server 10 further includes obtaining module 13, generation module
14 and second sending module 15.
Wherein, vehicle identification code VIN and level one data that module 13 is used to obtain electric car are obtained.Generation module 14 is used
According to VIN and level one data generation secondary data.Second sending module 15 is used to secondary data being sent to BMS, so that BMS
The reference curve prestored in BMS is updated according to secondary data.
Optionally, secondary data includes charge and discharge U-I reference curve, OCV-Q reference curve, the Q-SOH ginseng of power battery
Examine curve, R-SOH-I-T reference curve and history self-discharge rate reference curve.
It should be noted that other specific embodiments of the Cloud Server 10 of the embodiment of the present invention can refer to above-mentioned implementation
The specific embodiment of Cloud Server 10 in the prompt system of the electric car of example.
The Cloud Server of the embodiment of the present invention, by being interacted with BMS and client, and according to machine learning techniques,
It can continue the data of whole life cycle of the tracking electric automobile power battery from factory to replacement, so as to grasp comprehensively
The history dynamic data of battery, the information monitoring and fault diagnosis to battery are more proactive, more accurate；It can also will be pre-
The prompt informations such as the maintenance of opinion property and maintenance suggestion push to client by Cloud Server, and car owner is reminded to maintain battery
With maintenance, the hommization and intelligence degree of after-sale service are improved, and then promotes the usage experience of user.In addition, service shop
It can be directly using the intellectual analysis of Cloud Server as a result, targetedly carrying out predictive maintenance maintenance and dimension to power battery
It repairs, to save battery charging and discharging cycle detection Diagnostic Time, improves the working efficiency in service shop, also save user's
Time, to improve economic benefit and social efficiency.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (25)
1. a kind of prompt system of electric car, which is characterized in that including Cloud Server, client and setting in the electronic vapour
Battery management system BMS on vehicle, wherein
The BMS, the state parameter of the power battery for acquiring the electric car, and according to the state of the power battery
Parameter generates level one data, and the level one data is sent to the Cloud Server；
The Cloud Server, for judging whether to reach implied condition according to the level one data, if reaching above-mentioned prompt item
Part then sends prompt information to the client bound with the electric car.
2. the prompt system of electric car as described in claim 1, which is characterized in that
The BMS is also used to receive the secondary data of the Cloud Server feedback, and according to the secondary data to the BMS
In the reference curve that prestores be updated；
The Cloud Server is also used to obtain the vehicle identification code VIN and the level one data of the electric car, and according to institute
It states VIN and the level one data generates the secondary data, and the secondary data is sent to the BMS.
3. the prompt system of electric car as claimed in claim 2, which is characterized in that the BMS includes:
Multiple battery collector BIC, the multiple BIC is corresponding with multiple single batteries in the power battery respectively, uses
In the state parameter for acquiring the multiple single battery；
Battery control unit BCU, the BCU is connected with the multiple BIC, and is communicated with the Cloud Server, the BCU
For generating the level one data according to the state parameter of the power battery, and the secondary data of the Cloud Server is received,
And the reference curve prestored in the BMS is updated according to the secondary data.
4. the prompt system of electric car as claimed in claim 3, which is characterized in that the BCU includes:
First controller, for carrying out full-vehicle control according to the state parameter of the power battery；
Second controller generates institute for being communicated with the Cloud Server, and according to the state parameter of the power battery
Level one data is stated, and receives the secondary data of the Cloud Server, and according to the secondary data to prestoring in the BMS
Reference curve is updated.
5. the prompt system of electric car as claimed in claim 2, which is characterized in that the secondary data includes the power
The charging/discharging voltage U- electric current I reference curve of battery, open-circuit voltage OCV- battery capacity Q reference curve, battery capacity Q- health
In state SOH reference curve, resistance R- health status SOH- electric current I- temperature T reference curve and history self-discharge rate reference curve
One or more.
6. the prompt system of electric car as described in claim 1, which is characterized in that the level one data includes the power
The time of repose of battery, when the time of repose is greater than the first preset time threshold, the Cloud Server is to the client
Send the prompt for carrying out charging and balanced maintenance.
7. the prompt system of electric car as described in claim 1, which is characterized in that the level one data includes the power
The temperature of battery, when the temperature of the power battery is greater than the first preset temperature threshold, or less than the second preset temperature threshold
When, the Cloud Server sends the prompt of temperature anomaly to the client, wherein second preset temperature threshold is less than institute
State the first preset temperature threshold.
8. the prompt system of electric car as described in claim 1, which is characterized in that the level one data includes the power
The state-of-charge of battery, when the state-of-charge of the power battery is that at full capacity or excess load, and it is pre- greater than second to hold time
If when time threshold, the Cloud Server sends to the client and prompts.
9. the prompt system of electric car as described in claim 1, which is characterized in that the level one data includes the power
The SOH of battery, when the SOH of the power battery is less than preset threshold, the Cloud Server sends to the client and prompts.
10. a kind of reminding method of electric car, which is characterized in that be provided with battery management system on the electric car
BMS, wherein
The BMS acquires the state parameter of the power battery of the electric car, and according to the state parameter of the power battery
Level one data is generated, and the level one data is sent to Cloud Server；
The Cloud Server judges whether to reach implied condition according to the level one data, if reaching above-mentioned implied condition to
Prompt information is sent with the client of electric car binding.
11. the reminding method of electric car as claimed in claim 10, which is characterized in that further include:
The Cloud Server obtains the vehicle identification code VIN and the level one data of the electric car, and according to the VIN and
The level one data generates the secondary data, and the secondary data is sent to the BMS；
The BMS receives the secondary data of Cloud Server feedback, and according to the secondary data to prestoring in the BMS
Reference curve is updated.
12. the reminding method of electric car as claimed in claim 11, which is characterized in that the secondary data includes described dynamic
Charging/discharging voltage U- electric current I reference curve, open-circuit voltage OCV- battery capacity Q reference curve, the battery capacity Q- of power battery are strong
Health state SOH reference curve, resistance R- health status SOH- electric current I- temperature T reference curve and history self-discharge rate reference curve
One or more of.
13. the reminding method of electric car as claimed in claim 10, which is characterized in that the level one data includes described dynamic
The time of repose of power battery, when the time of repose is greater than the first preset time threshold, the Cloud Server is to the client
End sends the prompt for carrying out charging and balanced maintenance.
14. the reminding method of electric car as claimed in claim 10, which is characterized in that the level one data includes described dynamic
The temperature of power battery, when the temperature of the power battery is greater than the first preset temperature threshold, or less than the second preset temperature threshold
When value, the Cloud Server sends the prompt of temperature anomaly to the client, wherein second preset temperature threshold is less than
First preset temperature threshold.
15. the reminding method of electric car as claimed in claim 10, which is characterized in that the level one data includes described dynamic
The state-of-charge of power battery, when the state-of-charge of the power battery is at full capacity or excess load, and to hold time greater than second
When preset time threshold, the Cloud Server sends to the client and prompts.
16. the reminding method of electric car as claimed in claim 10, which is characterized in that the level one data includes described dynamic
The SOH of power battery, when the SOH of the power battery is less than preset threshold, the Cloud Server is mentioned to client transmission
Show.
17. a kind of electric car characterized by comprising
Power battery, the power battery include multiple single batteries；
Battery management system BMS, the BMS include:
Multiple battery collector BIC, the multiple BIC is corresponding with multiple single batteries in the power battery respectively, uses
In the state parameter for acquiring the multiple single battery,
Battery control unit BCU, the BCU is connected with the multiple BIC, and is communicated with the Cloud Server, the BCU
For being sent to the cloud according to the state parameter of the power battery generation level one data, and by the level one data
Server, so that the Cloud Server is when judging that the level one data reaches implied condition to binding with the electric car
Client sends prompt information.
18. electric car as claimed in claim 17, which is characterized in that the BCU is also used to:
The secondary data of the Cloud Server feedback is received, and bent to the reference prestored in the BMS according to the secondary data
Line is updated；
Wherein, the Cloud Server also obtains the vehicle identification code VIN and the level one data of the electric car, and according to institute
It states VIN and the level one data generates the secondary data, and the secondary data is sent to the BMS.
19. electric car as claimed in claim 18, which is characterized in that the BCU includes:
First controller, for carrying out full-vehicle control according to the state parameter of the power battery；
Second controller generates institute for being communicated with the Cloud Server, and according to the state parameter of the power battery
Level one data is stated, and receives the secondary data of the Cloud Server, and according to the secondary data to prestoring in the BMS
Reference curve is updated.
20. electric car as claimed in claim 18, which is characterized in that the secondary data includes filling for the power battery
Discharge voltage U- electric current I reference curve, open-circuit voltage OCV- battery capacity Q reference curve, battery capacity Q- health status SOH ginseng
Examine one in curve, resistance R- health status SOH- electric current I- temperature T reference curve and history self-discharge rate reference curve or
It is multiple.
21. electric car as claimed in claim 17, which is characterized in that the level one data includes at least the power battery
Time of repose, the temperature of the power battery, the state-of-charge of the power battery, the power battery by health state
One of SOH.
22. a kind of Cloud Server characterized by comprising
Judgment module judges whether to reach implied condition, wherein institute for the level one data reported of the BMS according to electric car
It states BMS and the level one data is generated according to the state parameter of the power battery；
First sending module, for being mentioned to the client transmission bound with the electric car when reaching above-mentioned implied condition
Show information.
23. Cloud Server as claimed in claim 22, which is characterized in that further include:
Module is obtained, for obtaining the vehicle identification code VIN and the level one data of the electric car；
Generation module, for generating the secondary data according to the VIN and the level one data；
Second sending module, for the secondary data to be sent to the BMS, so that the BMS is according to the secondary data
The reference curve prestored in the BMS is updated.
24. Cloud Server as claimed in claim 23, which is characterized in that the secondary data includes filling for the power battery
Discharge voltage U- electric current I reference curve, open-circuit voltage OCV- battery capacity Q reference curve, battery capacity Q- health status SOH ginseng
Examine one in curve, resistance R- health status SOH- electric current I- temperature T reference curve and history self-discharge rate reference curve or
It is multiple.
25. Cloud Server as described in claim 1, which is characterized in that
The level one data includes the time of repose of the power battery, when the time of repose is greater than the first preset time threshold
When, the Cloud Server sends the prompt for carrying out charging and balanced maintenance to the client；And/or
The level one data includes the temperature of the power battery, when the temperature of the power battery is greater than the first preset temperature threshold
Value, or when less than the second preset temperature threshold, the Cloud Server sends the prompt of temperature anomaly to the client,
In, second preset temperature threshold is less than first preset temperature threshold；And/or
The level one data includes the state-of-charge of the power battery, when the power battery state-of-charge be at full capacity or
Excess load, and when holding time greater than the second preset time threshold, the Cloud Server sends to the client and prompts；With/
Or
The level one data includes the SOH of the power battery, described when the SOH of the power battery is less than preset threshold
Cloud Server sends to the client and prompts.
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| CN201810297926.XA CN110324394A (en) | 2018-03-30 | 2018-03-30 | Cloud Server, electric car and its prompt system, method |
| PCT/CN2019/079453 WO2019184848A1 (en) | 2018-03-30 | 2019-03-25 | Electric vehicle and prompt system therefor |
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| CN201810297926.XA CN110324394A (en) | 2018-03-30 | 2018-03-30 | Cloud Server, electric car and its prompt system, method |
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| WO2022188760A1 (en) * | 2021-03-09 | 2022-09-15 | 华为技术有限公司 | Method and device for estimating heat of power battery pack |
| CN113635847A (en) * | 2021-07-14 | 2021-11-12 | 江铃汽车股份有限公司 | Storage battery electric quantity compensation method and device, storage medium and vehicle gateway |
| CN113910977A (en) * | 2021-10-20 | 2022-01-11 | 深圳市道通合创新能源有限公司 | System and method for acquiring data of battery management system of electric vehicle |
| WO2023125382A1 (en) * | 2021-12-30 | 2023-07-06 | 奥动新能源汽车科技有限公司 | Battery management method and apparatus, electronic device, and storage medium |
| CN116416083A (en) * | 2021-12-30 | 2023-07-11 | 奥动新能源汽车科技有限公司 | Battery management method, device, electronic equipment and storage medium |
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| WO2019184848A1 (en) | 2019-10-03 |
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