CN109130866A - A kind of new-energy automobile driving data power-on and power-off storage system and control method - Google Patents
A kind of new-energy automobile driving data power-on and power-off storage system and control method Download PDFInfo
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- CN109130866A CN109130866A CN201810980019.5A CN201810980019A CN109130866A CN 109130866 A CN109130866 A CN 109130866A CN 201810980019 A CN201810980019 A CN 201810980019A CN 109130866 A CN109130866 A CN 109130866A
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- 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
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/12—Recording operating variables ; Monitoring of operating variables
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Abstract
The present invention relates to a kind of new-energy automobile driving data power-on and power-off storage system and control method, system includes entire car controller VCU, battery electric quantity state module SOC, data memory module EEPROM and key signal module；Key signal module and battery electric quantity state module SOC are communicated to connect with entire car controller VCU respectively；Entire car controller VCU and data memory module EEPROM is communicated to connect；Key signal module is used to provide automobile or more electric signal to entire car controller VCU；Battery electric quantity state module SOC is used to provide the driving data under each state of charge of automobile to entire car controller VCU；Data memory module EEPROM is used to store the driving data of automobile；Entire car controller VCU is used to read the driving data under automobile or more electric signal and each state of charge of automobile, and the driving data under each state of charge of automobile is carried out storage and the calculating of secondary calling；Scheme provided by the invention is practical, at low cost, is suitable on current new-energy automobile, improves the driving experience of new-energy automobile.
Description
Technical field
The invention belongs to technical field of new energy, and in particular to a kind of new-energy automobile driving data power-on and power-off storage
System and control method.
Background technique
When driving new energy vehicle, driver can estimate operating range according to new energy vehicle residue course continuation mileage,
To select suitable drive route；The calculating and display of vehicle course continuation mileage are particularly important, and new energy vehicle needs reality
When calculate current residual mileage and instrument board show for driver reference.
In order to accurately estimate vehicle course continuation mileage, when vehicle powers on, whole-control system needs to read upper one and drives
The driving datas such as the corresponding course continuation mileage of period vehicle difference battery capacity (SOC)；Again by the use of current drive cycle when lower electricity
It is stored in the relevant driving data that course continuation mileage calculates.
Existing new energy vehicle course continuation mileage calculating is relative complex, and can not depositing for new-energy automobile driving data
Storage is controlled, and not can guarantee whole-control system can be precisely calculated current course continuation mileage in real time for driver's reference.
Summary of the invention
The present invention devises a kind of new-energy automobile driving data power-on and power-off storage system and control method, solves new energy
Vehicle course continuation mileage calculating in source is relative complex, can not accurately calculate the problem of mileage.
In order to solve above-mentioned technical problem, present invention employs following scheme:
A kind of new-energy automobile driving data power-on and power-off storage system includes entire car controller VCU, battery electric quantity state module
SOC, data memory module EEPROM and key signal module；Key signal module and battery electric quantity state module SOC difference
It is communicated to connect with entire car controller VCU；Entire car controller VCU and data memory module EEPROM is communicated to connect；Key signal mould
Block is used to provide automobile or more electric signal to entire car controller VCU；Battery electric quantity state module SOC is used for entire car controller
VCU provides the driving data under each state of charge of automobile；Data memory module EEPROM is used to store the driving data of automobile；
Entire car controller VCU is used to read the driving data under automobile or more electric signal and each state of charge of automobile, and automobile is each
Driving data under a state of charge carries out storage and secondary calling calculates.
It further, further include having random access memory ram；Entire car controller VCU is deposited by random access memory ram and data
Store up module EEPROM connection；Random access memory ram is used for the driving data of more new cars and saves to data memory module
EEPROM。
Further, entire car controller VCU is also connect with whole-control system, for receiving battery electric quantity state module
SOC information simultaneously calculates course continuation mileage；And/or for calling the driving data in data memory module EEPROM and calculating continuation of the journey
Mileage.
It further, further include having instrument；Instrument is connect with entire car controller VCU, powers on rear real-time display for automobile
The course continuation mileage of automobile.
Correspondingly, the present invention also provides a kind of new-energy automobile driving data power-on and power-off storage controlling method, including it is above-mentioned
The new-energy automobile driving data power-on and power-off storage system；It is further comprising the steps of:
S1: automobile starts power up, and entire car controller VCU calculates automobile according to the driving data that data memory module EEPROM is provided
Course continuation mileage under current SOC, and with SOC variation real-time display in instrument；
S2: automobile starts lower electricity, and entire car controller VCU is stored in data memory module according to the driving data of current automobile
EEPROM is called when powering on for next automobile.
The new-energy automobile driving data power-on and power-off storage system and control method have the advantages that
The present invention provides new-energy automobile driving data power-on and power-off storage system and control method, when vehicle powers on, to upper one
Period driving data is read out；And the data of current drive cycle are stored when electricity under vehicle；It in this way can be right
The storage of new-energy automobile driving data controls, to guarantee that current course continuation mileage can be precisely calculated in whole-control system in real time
For driver's reference；It is simple with structure, stable, practical, at low cost, it is suitable on current new-energy automobile, improves new energy
The driving experience of source automobile.
Detailed description of the invention
A kind of Fig. 1: new-energy automobile driving data power-on and power-off memory system architecture schematic diagram of the present invention；
A kind of Fig. 2: new-energy automobile driving data power-on and power-off storage controlling method flow chart of the present invention.
Specific embodiment
With reference to the accompanying drawing, the present invention will be further described:
Fig. 1 shows a kind of new-energy automobile driving data power-on and power-off storage system, includes entire car controller VCU, battery electricity
Measure block of state SOC, data memory module EEPROM and key signal module；Key signal module and battery electric quantity state mould
Block SOC is communicated to connect with entire car controller VCU respectively；Entire car controller VCU and data memory module EEPROM is communicated to connect；Key
Spoon signaling module is used to provide automobile or more electric signal to entire car controller VCU；Battery electric quantity state module SOC is used for vehicle
Controller VCU provides the driving data and information about power under each state of charge of automobile；Data memory module EEPROM is for depositing
Store up the driving data of automobile；Entire car controller VCU is used to read driving under automobile or more electric signal and each state of charge of automobile
Data are sailed, and the driving data under each state of charge of automobile is subjected to storage and the secondary mileage for calling calculating automobile；Using
Above scheme can be easy to understand the driving range situation of new-energy automobile, and the system is relatively reliable, practical.
Preferably, in conjunction with above scheme, as shown in Figure 1, further including having random access memory ram in the present embodiment；Vehicle control
Device VCU processed is connect by random access memory ram with data memory module EEPROM；Random access memory ram is for more new cars
Driving data is simultaneously saved to data memory module EEPROM；There is fast response time using random access memory ram, can reduce simultaneously
To the direct number of operations of data memory module EEPROM, play the role of being effectively protected to data memory module EEPROM.?
When vehicle powers on again, the data stored in EEPROM can be read out.
Preferably, in conjunction with above scheme, as shown in Figure 1, in the present embodiment, entire car controller VCU also with full-vehicle control system
System connection, for receiving battery electric quantity state module SOC information and calculating course continuation mileage；And/or for calling data to store mould
Driving data in block EEPROM simultaneously calculates course continuation mileage；Entire car controller VCU is directly arranged on whole-control system, is used
It transmitted, handled and is calculated in the data to vehicle complete vehicle system, combine vehicle complete vehicle control system to be controlled in this way
System avoids causing the problem that structure is complicated, at high cost using separate payment.
Preferably, in conjunction with above scheme, as shown in Figure 1, further including having instrument in the present embodiment；Instrument and full-vehicle control
Device VCU connection powers on the course continuation mileage of rear real-time display automobile so that it is convenient to which driver reads for automobile, and understanding is driven in real time
The mileage of vehicle.
Correspondingly, in conjunction with above scheme, as shown in Fig. 2, the present invention also provides above and below a kind of new-energy automobile driving data
Electric storage controlling method, including new-energy automobile driving data power-on and power-off storage system described above；It is further comprising the steps of:
S1: automobile starts power up, and entire car controller VCU calculates automobile according to the driving data that data memory module EEPROM is provided
Course continuation mileage under current SOC, and with SOC variation real-time display in instrument；Specifically, entire car controller VCU believes according to key
Number module obtains the upper power information of automobile；
S2: automobile starts lower electricity, and entire car controller VCU is stored in data memory module according to the driving data of current automobile
EEPROM is called when powering on for next automobile and calculates the mileage that automobile can be run.
Preferably, in conjunction with above scheme, in the present embodiment, entire car controller VCU is also connect with whole-control system；Vehicle
Control system is equipped with FLAG flag bit；FLAG flag bit is for judging whether entire car controller VCU is refreshed；When to full-vehicle control
When device VCU refreshes, FLAG flag bit is 1, and is stored in the corresponding region BLOCK in data memory module EEPROM, convenient for reading
It takes；When not refreshing again to entire car controller VCU, FLAG flag bit be 0, and be stored in it is right in data memory module EEPROM
The region BLOCK answered, convenient for reading.
Preferably, in conjunction with above scheme, as shown in Fig. 2, in the present embodiment, it is further comprising the steps of:
When automobile powers on,
S11: it is 1 that whole-control system, which reads FLAG flag bit, then after judging current entire car controller VCU for refreshing on first time
Driving data is then assigned default value by electricity, is used for subsequent calculating；
S12: FLAG mark place value is then assigned to 0 again, and is stored in data memory module EEPROM after electricity under automobile；
When automobile powers on again,
It is 0 that whole-control system, which reads FLAG flag bit, then using the driving data of a upper drive cycle for calculating；At this time
What driving data was read is the driving data that the region BLOCK is corresponded in data memory module EEPROM.
Preferably, in conjunction with above scheme, as shown in Fig. 2, data memory module EEPROM includes multiple in the present embodiment
The region BLOCK；Multiple regions BLOCK, which respectively correspond, stores different driving datas；Whole-control system is by the number in the region BLOCK
It is believed that breath flag bit position 1, for indicating that whole-control system reads the driving data success in the region BLOCK；Full-vehicle control system
System is by the data information flag bit position 0 in the region BLOCK, for indicating that whole-control system reads the driving number in the region BLOCK
According to failure；It is further comprising the steps of:
S21: after automobile powers on, the FLAG flag bit of entire car controller VCU is first determined whether；If FLAG flag bit is 1, currently
Drive cycle is to first power on after entire car controller VCU refreshes, and driving data is assigned initial value；If FLAG flag bit is 0, indicate
Currently to be first powered on after the non-refreshing of entire car controller VCU, then to the driving number being stored in data memory module EEPROM
According to being read out；
S22: then judge the flag bit position that the corresponding region BLOCK is read；If 1, then it represents that driving data has read success,
Next period no longer executes this section of program；If 0, then driving data is first assigned into initial value, this section of program loop executes, until reading
Until success；
S23: after successfully obtaining driving data value, whole-control system can in real time be calculated course continuation mileage, and be updated aobvious
Show in instrument, is referred to for driver.
Preferably, in conjunction with above scheme, as shown in Fig. 2, data memory module EEPROM includes multiple in the present embodiment
The region BLOCK；Multiple regions BLOCK, which respectively correspond, stores different driving datas；Whole-control system to course continuation mileage into
When row calculates, it will be driven in random access memory ram update in real time；When electric under automobile, it will be driven by random access memory ram
It sails data and is saved in the corresponding region BLOCK in data memory module EEPROM；It is updated using random access memory ram, has and ring
It answers speed fast while the direct number of operations to data memory module EEPROM can be reduced, data memory module EEPROM is risen
It is acted on to being effectively protected；When vehicle powers on again, the data stored in data memory module EEPROM can be read
It takes.
The present invention provides a kind of new-energy automobile driving data power-on and power-off storage system and control method, powers in vehicle
When, upper period driving data is read out；And the data of current drive cycle are stored when electricity under vehicle；
The storage of new-energy automobile driving data can be controlled, be worked as with guaranteeing that whole-control system can be precisely calculated in real time in this way
Preceding course continuation mileage has structure simple, stable, practical, at low cost for driver's reference, is suitable for current new-energy automobile
On, improve the driving experience of new-energy automobile.
Above in conjunction with attached drawing, an exemplary description of the invention, it is clear that realization of the invention is not by aforesaid way
Limitation, as long as use the inventive concept and technical scheme of the present invention carry out various improvement, or it is not improved will be of the invention
Conception and technical scheme directly apply to other occasions, be within the scope of the invention.
Claims (10)
1. a kind of new-energy automobile driving data power-on and power-off storage system, which is characterized in that include entire car controller VCU, electricity
Pond state-of-charge module SOC, data memory module EEPROM and key signal module；The key signal module and the electricity
Pond state-of-charge module SOC is communicated to connect with the entire car controller VCU respectively；The entire car controller VCU and the data
Memory module EEPROM communication connection；
The key signal module is used to provide automobile or more electric signal to the entire car controller VCU；
The battery electric quantity state module SOC is used to provide driving under each state of charge of automobile to the entire car controller VCU
Sail data；
The data memory module EEPROM is used to store the driving data of the automobile；
The entire car controller VCU is used to read the driving under the automobile or more electric signal and each state of charge of the automobile
Data, and the driving data under each state of charge of the automobile is subjected to storage and the calculating of secondary calling.
2. new-energy automobile driving data power-on and power-off storage system according to claim 1, which is characterized in that further include having
Random access memory ram；The entire car controller VCU passes through the random access memory ram and the data memory module EEPROM
Connection；The random access memory ram is used to update the driving data of the automobile and saves to the data memory module
EEPROM。
3. new-energy automobile driving data power-on and power-off storage system according to claim 1, which is characterized in that the vehicle
Controller VCU is also connect with whole-control system, for receiving the battery electric quantity state module SOC information and calculating in continuation of the journey
Journey；And/or for calling the driving data in the data memory module EEPROM and calculating course continuation mileage.
4. new-energy automobile driving data power-on and power-off storage system according to claim 1, which is characterized in that further include having
Instrument；The instrument is connect with the entire car controller VCU, and the course continuation mileage of rear real-time display automobile is powered on for automobile.
5. a kind of new-energy automobile driving data power-on and power-off storage controlling method, which is characterized in that including the claims 1 to
4 described in any item new-energy automobile driving data power-on and power-off storage systems；It is further comprising the steps of:
S1: automobile starts power up, and entire car controller VCU calculates automobile according to the driving data that data memory module EEPROM is provided
Course continuation mileage under current SOC, and with SOC variation real-time display in instrument；
S2: automobile starts lower electricity, and the entire car controller VCU is stored in the data according to the driving data of current automobile and stores
Module EEPROM is called when powering on for next automobile.
6. new-energy automobile driving data power-on and power-off storage controlling method according to claim 5, which is characterized in that described
Entire car controller VCU is also connect with whole-control system；The whole-control system is equipped with FLAG flag bit；The FLAG mark
Position is for judging whether the entire car controller VCU is refreshed；When refreshing to the entire car controller VCU, the FLAG mark
Will position is 1, and is stored in the data memory module EEPROM；When not refreshing again to the entire car controller VCU, institute
Stating FLAG flag bit is 0, and is stored in the data memory module EEPROM.
7. new-energy automobile driving data power-on and power-off storage controlling method according to claim 6, which is characterized in that also wrap
Include following steps:
When automobile powers on,
S11: it is 1 that the whole-control system, which reads the FLAG flag bit, then judges presently described entire car controller VCU for brush
It is first powered on after new, then driving data is assigned into default value, be used for subsequent calculating；
S12: FLAG mark place value is then assigned to 0 again, and is stored in the data memory module after electricity under automobile
In EEPROM；
When automobile powers on again,
It is 0 that the whole-control system, which reads the FLAG flag bit, then is used for using the driving data of a upper drive cycle
It calculates；What driving data was read at this time is the driving data that the region BLOCK is corresponded in the data memory module EEPROM.
8. new-energy automobile driving data power-on and power-off storage controlling method according to claim 6, which is characterized in that described
Data memory module EEPROM includes multiple regions BLOCK；Multiple regions BLOCK, which respectively correspond, stores different driving
Data；
The whole-control system is by the data information flag bit position 1 in the region BLOCK, for indicating the whole-control system
Read the driving data success in the region BLOCK；
The whole-control system is by the data information flag bit position 0 in the region BLOCK, for indicating the whole-control system
Read the driving data failure in the region BLOCK；
It is further comprising the steps of:
S21: after automobile powers on, the FLAG flag bit of the entire car controller VCU is first determined whether；If FLAG flag bit is 1,
Current drive cycle is to first power on after the entire car controller VCU refreshes, and driving data is assigned initial value；If FLAG flag bit
It is 0, indicates currently to first power on after the non-refreshing of entire car controller VCU, then to is stored in the data memory module
Driving data in EEPROM is read out；
S22: then judge the flag bit position that the corresponding region BLOCK is read；If 1, then it represents that driving data has read success,
Next period no longer executes this section of program；If 0, then driving data is first assigned into initial value, this section of program loop executes, until reading
Until success；
S23: after successfully obtaining driving data value, the whole-control system can in real time be calculated course continuation mileage, and more
It is newly shown in instrument, is referred to for driver.
9. new-energy automobile driving data power-on and power-off storage controlling method according to claim 6, which is characterized in that described
Data memory module EEPROM includes multiple regions BLOCK；Multiple regions BLOCK, which respectively correspond, stores different driving
Data；The whole-control system will be driven in random access memory ram update in real time when calculating course continuation mileage；
When electric under automobile, it is right in the data memory module EEPROM to be saved in driving data by the random access memory ram
The region BLOCK answered.
10. new-energy automobile driving data power-on and power-off storage controlling method according to claim 6, which is characterized in that
In S1 step, the entire car controller VCU obtains the upper power information of the automobile according to key signal module.
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| CN110262940A (en) * | 2019-05-23 | 2019-09-20 | 东风格特拉克汽车变速箱有限公司 | A kind of new method that the identification of the software after off-line test powers on for the first time |
| CN110825067A (en) * | 2019-09-26 | 2020-02-21 | 潍柴动力股份有限公司 | Abnormal power failure detection method and device |
| CN112277844A (en) * | 2020-09-29 | 2021-01-29 | 北汽福田汽车股份有限公司 | Mileage backup method and device and vehicle |
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| CN113401002A (en) * | 2020-03-16 | 2021-09-17 | 北京新能源汽车股份有限公司 | Power-on and power-off control method and device, vehicle and equipment |
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| CN111775710B (en) * | 2020-06-30 | 2021-05-18 | 上海挚达科技发展有限公司 | New energy automobile driving mileage calculation method |
| CN112277844A (en) * | 2020-09-29 | 2021-01-29 | 北汽福田汽车股份有限公司 | Mileage backup method and device and vehicle |
| CN112277844B (en) * | 2020-09-29 | 2022-03-11 | 北汽福田汽车股份有限公司 | Mileage backup method and device and vehicle |
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| CN109130866B (en) | 2022-03-11 |
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